Impact Of External Environment Research Articles

Ambient Moisture-Induced Self Alignment of Polarization in Ferroelectric Hafnia.

The discovery of nanoscale ferroelectricity in hafnia (HfO2) has paved the way for next generation high-density, non-volatile devices. Although the surface conditions of nanoscale HfO2 present one of the fundamental mechanism origins, the impact of external environment on HfO2 ferroelectricity remains unknown. In this study, the deleterious effect of ambient moisture is examined on the stability of ferroelectricity using Hf0.5Zr0.5O2 (HZO) films as a model system. It is found that the development of an intrinsic electric field due to the adsorption of atmospheric water molecules onto the film's surface significantly impairs the properties of domain retention and polarization stability. Nonetheless, vacuum heating efficiently counteracts the adverse effects of water adsorption, which restores the symmetric electrical characteristics and polarization stability. This work furnishes a novel perspective on previous extensive studies, demonstrating significant impact of surface water on HfO2-based ferroelectrics, and establishes the design paradigm for the future evolution of HfO2-based multifunctional electronic devices.

The role of immune metabolism in skin cancers: implications for pathogenesis and therapy.

The skin is a complex organ that serves as a critical barrier against external pathogens and environmental impact. Recent advances in immunometabolism have highlighted the intricate link between cellular metabolism and immune function, particularly in the context of skin cancers. This review aims to provide a comprehensive overview of the key metabolic pathways and adaptations that occur in immune cells during homeostasis and activation, and explore how metabolic reprogramming contributes to the pathogenesis of specific skin cancers. We discuss the complex interplay between tumor cells and infiltrating immune cells, which shapes the tumor microenvironment and influences disease outcomes. The review delves into the role of various metabolic pathways, such as glycolysis, oxidative phosphorylation, and lipid metabolism, in the regulation of immune cell function and their impact on the development and progression of skin cancers. Furthermore, we examine the potential of targeting metabolic pathways as a therapeutic strategy in skin cancers and discuss the challenges and future perspectives in this rapidly evolving field. By understanding the metabolic basis of skin immune responses, we can develop novel, personalized therapies for the treatment of skin cancers, ultimately improving patient outcomes and quality of life. The insights gained from this review will contribute to the growing body of knowledge in immunometabolism and its application in the management of skin cancers, paving the way for more effective and targeted interventions in the future.

Conceptual approach to analyzing the impact of ESG on the value of a business entityy

Aim. To analyze and identify trends, mechanisms and problems of ESG-trends impact on the value of the company.Objectives. Systematization of key approaches to consideration of the essence of ESG-paradigm impact on the company's value; identification of prerequisites, advantages and barriers hindering the implementation of ESG-principles in the practice of Russian companies; substantiation of multilevel impact of internal and external environment on the implementation of ESGmechanisms in the context of strategic business development.Methods. In this article the trends and mechanisms of ESG-principles impact on the company's value as an integral indicator reflecting the efficiency of its activity are considered in various aspects using general methods of scientific cognition.Results. In the course of the research the important role of the company's value as an indicator that allows to comprehensively monitor the state of its affairs is shown. The analysis revealed the fact that crises, environmental degradation, the need to optimize corporate governance and the social demands of employees and local communities have become the driving factors for the introduction of ESG in the practice of companies. The author concluded that the application of ESG practices allows optimizing business processes, improving financial indicators and branding system, creating an attractive image for investors, transforming comfortable mechanisms of interaction with stakeholders based on trust, openness and transparency, as well as creating sustainable competitive advantages. The paper substantiates the assertion that the lack of unified standards, significant differences in the industry aspect in the application of ESG-paradigm, insufficient spread of this concept in our country and unformed information support serve as barriers that significantly hinder the introduction of non-financial reporting forms and ESGtools.Conclusions. The conducted research makes it possible to form a four-level model of ESG-trends impact on the company's value. It allows to take into account the factors and trends of each of them, to develop optimal mechanisms of adjustment and adaptation to new realities.

How does external environment impact emerging industrial development: An evolutionary development approach of the e‐sports industry in China

To increase the understanding of how the external environment impact the local industrial development, this study builds a conceptual framework of industrial evolutionary development by integrating evolutionary and developmental theories from the perspective of evolutionary economic geography. This study emphasised the combination of two mechanisms. The first evolutionary mechanism consisting of variation, selection and retention, and the diversity within and between enterprise clusters serves as the starting point for evolution. The external environment selects and retains the most competitive enterprises under the mechanism of selection. The second developmental mechanism is the influence of the external environment on enterprises. The external environment screens and affects the development of firms at and across multiple levels, same level and across levels. Based on the case studies of the e‐sports industry in China, this study finds that technological development has driven the transformation of the e‐sports industry. Additionally, location cost, spatial proximity, local policy, urban strategy and national planning have been identified as crucial factors that influence the location choice of the e‐sports industry. This study highlights the importance of paying more attention to environmental dynamics in the research and practice of industrial evolution.

The Relation Between The Intensity of Market Competition, Intellectual Capital, Management Accounting Practices in Coventional and Digital SME

This study investigates the difference of the impact of external and internal environment on the use of management accounting practices between conventional and digital SMEs. The use of management accounting practices assists the SMEs to make good decision. The aim of the study to test the relationship between intensity of market competition (external environment) and intellectual capital (internal environment) on the use of management accounting practices, so that the SMEs leverage their performance. The population of this research is conventional and digital SMEs in East Java. This study uses the convenience method as a sampling technique. The data collection results are 179 SMEs consisting of 127 conventional and 52 digital SMEs. The test results with SMART-PLS show that (1) the intensity of market competition has a positive effect on intellectual capital both conventional and digital SMEs, (2) intellectual capital has a positive effect on traditional MAP and on contemporary MAP both conventional and digital SMEs, (4) traditional MAP has a positive effect on business performance in conventional SMEs, and (5) contemporary MAP has no effect on business performance in digital SMEs.

FACTORS INFLUENCING BITCOIN MARKET VOLATILITY DURING THE COVID-19 PANDEMIC CRISIS

ABSTRACTThe ecological structure of the cryptocurrency market and its external environmental impact cannot be ignored. Taking Bitcoin as an example, the study analyzes the Bitcoin market during the COVID-19 pandemic crisis from an environmental perspective based on the differences in the political and economic systems of China and the United States. First, the institutional environment selected in this study is used as an indicator of environmental measurement and divided into formal and informal sectors. In the analysis, the former selects the economic policy uncertainty index of China, while the latter selects bitcoin’s social attention (including Google trends and the Baidu index) and investor sentiment as indicators. Second, financial market data such as foreign exchange and commodity futures are used as indicators for analyzing the environment of the bitcoin market. Using VAR modeling analysis, the results show that both the institutional and the market environment have an impact on bitcoin’s market performance.

Impact of COVID-19 on the Manufacturing Industry: A Case Study of 3M Company

The 2019 coronavirus pandemic is the largest impact on manufacturing since the 2008 financial crisis. The impact on the manufacturing supply chain is particularly prominent. Much of the research by economists on the impact of the pandemic on industries has focused on risk transmission and macroeconomics. However, there is a lack of research on the financial status of individual companies and the adjustment strategies of companies in the face of shocks. Through a case study of 3M company, this paper aims to explore the impact of COVID-19 on the manufacturing industry. By analyzing the company's internal financial situation and external environmental impact, this paper illustrates whether the company's adjustment strategy is useful during the pandemic. The results show that large manufacturing companies have the ability to internalize the impact of risks. At the same time, backward integration of supply chain management strategy is one of the best ways for companies to improve the robustness of the supply chain.

Study on heat flow transfer characteristics and main influencing factors of waxy crude oil tank during storage heating process under dynamic thermal conditions

In response to the energy conservation and emission reduction targets proposed by China's Fourteenth Five-Year Plan, it is necessary for oilfield enterprises to achieve the purpose of reducing energy consumption and carbon emissions of crude oil storage under the premise of ensuring safe production of oil depots. As the preferred oil storage facility for crude oil depots, the internal heat flow transmission process of storage tanks plays a vital role in the overall energy consumption of oil depots. In this paper, a three-dimensional theoretical model of the heating process of large waxy crude oil tank storage is established, and the influence law of the circumferential effect of the coil on the heating process of waxy crude oil is put forward. The external environment influence area, the internal temperature rise heat flow influence area and the transition area are put forward. The multi-nonlinear regression method is innovatively used to establish the main influencing factor model for each influence area so as to realize the quantitative characterization of the influence mechanism between the heat flux at the tank boundary and the dynamic thermal environment and the variable physical properties parameters of crude oil. The results show that the convective heat transfer of oil in the tank bottom area is greatly influenced by the circumferential effect of the coil, and the circumferential effect of the coil is enhanced with the gradual proximity of the coils on both sides, and the low temperature area at the tank bottom is obviously improved. The heat loss of the storage tank is mainly concentrated at the boundary of the tank. According to the change of heat flux in each boundary area, the external environment influence area, the internal heating heat flow influence area and the transition area are divided. Among them, the top of the storage tank forms an external environmental impact area dominated by solar radiation heat transfer, supplemented by natural convection of temperature difference, and the bottom of the storage tank forms an external soil impact area dominated by heat conduction to the external soil. Due to the effect of the thermal insulation layer, the influence of the external dynamic thermal environment on the position of the tank wall is weakened, and only the influence area of the internal temperature rise heat flow dominated by the natural convection of crude oil is formed. At the same time, there is a transition area with different thickness between the internal and external influence areas, which is affected by the external dynamic thermal boundary conditions and the physical properties of crude oil. The internal heat transfer direction is different, which causes the influence weight of each factor to fluctuate, and with the reduction of the external dynamic thermal environment, the transition area becomes the external condition influence area.

Driving mechanism of consumer migration behavior under the COVID-19 pandemic.

China is now in the post-period of COVID-19 epidemic prevention and control. While facing normalized epidemic prevention and control, consumers behavioral intention and decision-making will still be influenced by the epidemic's development and the implementation of specific epidemic prevention measures in the medium to long term. With the impact of external epidemic prevention environment and measures, consumers' channel behavior has changed. How to better promote channel integration by adopting consumers' channel migration behavior is important for channel coordination strategies. This paper takes fresh product retailing under normal epidemic prevention and control as an example and examines the change in channel migration behavior. Based on the value-based adoption model (VAM), this paper discusses the influence of channel characteristics and channel switching costs on channel migration intention, the mediating effect of perceived value between various influencing factors and channel migration intention, and the moderating effect of channel switching cost on perceived value and channel migration intention. Thus, an empirical study was carried out with 292 samples to verify the hypotheses. The results show that under normal epidemic prevention and control, the influencing factors in the VAM model have a significant impact on channel migration intention; perceived value plays a mediating role between various influencing factors and channel migration intention. The COVID-19 pandemic has had a significant effect on daily life and purchasing behavior. In the context of this pandemic, we have confirmed that consumers will probably change to other retailers when the usefulness, entertainment, and cost meet their expectation for purchasing fresh products. Channel characteristics have versatile features, such as channel structure and supply chain mode, which affect consumer behaviors in different ways. The perceived value comes from expectations and experience. Retailers should try to keep their products fresh and provide consumers with a high-level shopping experience during sale.

Відновлення та зміцнення деталей і робочих органів сільськогосподарських машин, працюючих в абразивному середовищі

The working bodies of tillage agricultural machines (ploughshare, plow shelf, cultivator paw, harrow disc) work in conditions of abrasive operation, shock loads and the impact of external aggressive environment. Their repair is to restore the original size of parts and wear resistance of functional work surfaces. During the operation of tillage machines and units, the working surfaces are subjected to uneven wear, which reduces the life of parts and increases the cost of their replacement and restoration. The working bodies of tillage agricultural machines (ploughshare, plow shelf, cultivator paw, harrow disc) work in conditions of abrasive operation, shock loads and the impact of external aggressive environment. Their repair is to restore the original size of parts and wear resistance of functional work surfaces. During the operation of tillage machines and units, the working surfaces are subjected to uneven wear, which reduces the life of parts and increases the cost of their replacement and restoration. The current level of operation of agricultural machinery is characterized by increased speeds and high productivity, which, in turn, leads to increased wear of parts. accordingly, the reliability of the recovered ensure the restorative parts. Surfacing makes it possible to obtain layers of any thickness and chemical composition on the working surfaces of parts; apply a welded layer with different properties, ie high hardness and wear resistance. In this work we use point (point) hardening, which consists in micro-dripping of the hard alloy into the surface structure of parts that undergo intense abrasive wear. The geometry of the hardening point is a spherical sector, which facilitates the rapid removal of heat from the surfacing bath in the base metal and the environment, so the hardening points harden at high speed and in a short time. At point strengthening of details one of the main conditions providing stable quality of process - coordination of welding current and arc voltage. The sawtooth profile of the ploughshare blade (cultivator paws) is maintained throughout its service life. providing effective cutting even with the blades worked. We will fully consider the welding stress and deformation of the steel and tungsten carbide, to ensure the using performance of products. About tungsten carbide, we use the most advanced production equipment and the most reasonable production process during the material selection, burdening, pressing and sintering. We always fully consider the special requirements of different products on the strength, hardness, grain size of tungsten carbide.

Analysis on the Employment Situation and Countermeasures of Sino-foreign Cooperative College Graduates in Central and Western China - Based on the Analysis of the School Running Projects of C University

Under the background of the new era, how to serve the "the Belt and Road" strategy and how to train and deliver talents for Sino foreign cooperation in running schools in central and western universities has become a matter of social concern. In addition, under the influence of COVID-19, the employment space of graduates from Sino foreign cooperative education projects has been severely compressed, and the contradiction between talent supply and demand has intensified. Based on the data of the School of International Education of University C from 2015 to 2021, the analysis of employment status shows that the employment rate of graduates has fluctuated due to the impact of external environment in the past seven years. The analysis of the four aspects of employment region, employment type, employment market, and employment quality shows that the comprehensive quality of students needs to be improved, employment information service needs to be strengthened, employment assistance and guidance needs to be improved, and the participation of grassroots employment projects is not high, It is expected to promote the employment of graduates of Sino foreign cooperation projects in colleges and universities in the central and western regions through the establishment of the employability enhancement project, the improvement of employment information service quality, the strengthening of employment assistance and guidance, and the vigorous publicity of grass-roots employment projects.

Modern conceptual models of macroeconomic and economic crisis: Systemic, institutional and management approaches

Subject. The article addresses management of economic systems in crisis conditions. Objectives. The focus is on investigating and refining the structure of theoretical models of macroeconomic and economic crisis based on systemic and managerial approaches, taking into account institutional aspects. Methods. The methodology of the study rests on the abstract-logical method. Results. I developed models of unity of economic crises of different quality. The impact of external environment on the economy is taken into account. Conclusions. It is necessary to move to anti-crisis management of the national economy, considering the clarified theoretical provisions.

Pengaruh Karakteristik Wirausaha, Lingkungan Eksternal, Kecanggihan Teknologi dan Strategi Bertahan Terhadap Keberlangsungan UMKM di Kecamatan Gerung, Kabupaten Lombok Barat Selama Pandemi Covid-19

This study aims to determine the effect of entrepreneurial characteristics, external environment, technological sophistication and survival strategies on the sustainability of MSMEs in Gerung District, West Lombok Regency during the COVID-19 pandemic. This study takes a quantitative approach to associative research. This research relies on original data. All MSMEs in Gerung District, West Lombok Regency, were included in this study. Purposive sampling was employed using a sample of 59 SMEs in this study. Using Partial Least Square (PLS) version 3.0, investigate the impact of entrepreneurial traits, external environment, technological sophistication, and survival strategies on the sustainability of MSMEs. The findings reveal that entrepreneurial traits and technological sophistication have no bearing on MSMEs' long-term viability, however the environment and survival tactics have a favorable and significant impact. Expanding the population and increasing the number of samples, upgrading instruments, and adding pertinent independent variables such as entrepreneurial spirit and risk calculation abilities are all proposals for future research. The implications of this research are expected to be additional information for MSME actors and interests in the business world first during the COVID-19 pandemic.

Configurational path of successful entrepreneurship based on open government data: a QCA analysis

PurposeIn the era of big data, data have become an essential factor of production. In the context of open government data (OGD), encouraging the commercial development of OGD is significant for promoting mass innovation and entrepreneurship. This study aims to explore the configurational impact of data supply, external environment and entrepreneurial foundation on data-driven entrepreneurship.Design/methodology/approachThis research used a fuzzy set qualitative comparative analysis (fsQCA). Fourteen start-ups using OGD were taken as a case sample.FindingsThis study produces two paths to achieving high entrepreneurial performance, one is a financing-enhanced entrepreneurial path and the other is a data-driven entrepreneurial path. Besides, four conditions are necessary for high performance of OGD-based entrepreneurship: good data quality, mature legal environment, favorable market environment and abundant big data entrepreneurial talents.Practical implicationsThe findings have important practical implications for formulating policies related to promoting the application of government open data and innovation and entrepreneurship in terms of strengthening top-level design, improving the legal environment, developing the data market and cultivating entrepreneurial talents.Originality/valueAlthough many studies have been conducted on OGD, studies on the paths to successful entrepreneurship based on OGD are limited. In this study, this issue is investigated from a configurational perspective by using the fsQCA technique.

ON THE LONG-TERM CONSTRUCTION OF IDEOLOGICAL AND POLITICAL EDUCATION SYSTEM IN COLLEGES AND UNIVERSITIES GUIDED BY THE STATUS AND VALUES OF NATIONAL SENIOR OFFICIALS—BASED ON STUDENTS' EMOTIONAL BEHAVIOR DRIVING FACTORS

BackgroundAs an important position for cultivating national talents, colleges and universities shoulder the fundamental task of education. Building a long-term curriculum system of Ideological and political education in Colleges and Universities under the guidance of national strength based values is the objective need to create a diversified value atmosphere in the period of social transformation. It is the renewal and iteration of Internet technology, which puts forward new requirements for ideological and political education. Follow the requirements of the dialectical unity of realizing the goal of ideological education and abiding by the law, the dialectical unity of values and value practice, and the cultivation of subjectivity. Especially in this process, it will play an important role in shaping students' emotion and behavior.Subjects and MethodsIdeological and political education in Colleges and universities should not only investigate the external environmental impact of educational objects, but also pay attention to the comprehensive quality of educational objects themselves. According to the psychological factors that affect the values of educational objects, we should cultivate values. However, we still face challenges such as the richness of knowledge structure of educational objects, the maturity and resilience of self-identity, the direction and hierarchy of psychological needs, the differences of different dimensions of personality types, and the interpretability and reversibility of individual cognitive schema.ResultsOn this basis, it is necessary to develop and build visual comprehensive development teaching, connotation interpretation interactive teaching, practical teaching close to the value of knowledge, task driven participatory teaching, multi-dimensional comprehensive evaluation and network platform teaching. Construct 6e practice system from the perspectives of elaboration, interpretation, exploration, participation, evaluation and evaluation. National power based values provide rich resources for the construction of Ideological and political education in Colleges and universities. Ideological and political education in Colleges and universities is an innovative carrier for cultivating and practicing the values of state power standard. From the perspective of integration, study the resource advantages and penetration path of national high power status values leading ideological and political education in Colleges and universities, promote the organic combination of class education and value orientation, and build a scientific, systematic and sustainable long-term mechanism of value education.ConclusionProvide intellectual support for the teaching reform of Ideological and political education in Colleges and universities, cultivate innovative talents in the new era, and firmly grasp the ideological initiative. Educational concept is the guide of educational practice and the core and key of overall planning, grasping the foundation, grasping the direction and long-term planning. It also clarifies and demonstrates the guiding, strategic and macro nature of the conceptual system. The practical system of Ideological and political education in Colleges and universities is a specific practical deployment based on the conceptual system, which is a dynamic process. Through the concept system, clarify the direction, ideas, key tasks and main measures of Ideological and political education in Colleges and universities, and effectively improve the effectiveness of the ideological and political education system in Colleges and universities by formulating the objectives, tasks, policies and measures of the practice system. Cultivate the pillars of the country in the new era with patriotism, noble moral sentiment and correct values.AcknowledgementsSupported by National social science foundation (Grant No.20VSZ029).

Issue analysis of contracts termination in Russian state and municipal public procurement procedures

The article points out the problem of quality of interaction between the customer and the supplier of goods, works or services in the sphere of state and municipal public procurement procedures of Russian Federation. One of the manifestations of the problem is the high percentage of contract termination between procurement participants (approximately 20 % of the number of contracts concluded). The objective of the study was to suggest potential directions for improving the quality of interaction between procurement participants, against the background of considering the legal grounds for contracts termination. Based on the results of the study, the author identified the problem of lack of technics in the procurement control process, which reduce consequences of the uncertainty external environment impact and fair risk responsibility sharing of non-performing contract liabilities between the procurement participants.

A contingency-based accountability and governance framework for the non-profit sector in the post-COVID-19 era

PurposeThe COVID-19 global pandemic has caused significant disruptions to the non-profit sector, highlighting the issues that the narrowly focused, traditional conception of governance fails to address. The purpose of this paper is to propose a contingency-based framework with its theoretical underpinnings in the existing literature, in order to support future empirical research on non-profit governance and accountability practices.Design/methodology/approachFrom a theoretical perspective, this paper synthesizes relevant existing literature and proposes a contingency-based accountability and governance framework in the non-profit sector. This paper draws on Ostrower and Stone’s (2010) contingency-based framework on boards and Hyndman and McDonnell’s (2009) conception of governance systems. This paper engages with the New Zealand and Australia context while reviewing relevant literature and relevant regulations.FindingsThe global pandemic has caused severe worldwide disruptions both socially and economically. There have been dramatic changes to the ways in which non-profit organisations (NPOs) operate. There is an urgent need to understand how such changes in the external environment impact on NPOs’ governance and accountability practices. In this context, the contingency-based accountability and governance framework proposed in this paper has important implications for non-profit research, while opening up an avenue for future research in this field.Research limitations/implicationsThis paper does not involve empirical analysis.Practical implicationsThis paper contributes by facilitating better understanding on how external contingencies like the COVID-19 global pandemic affect the external and internal environment of an NPO, how they impact on stakeholders and their interplay with an NPO’s governance and accountability systems. It also suggests that regulators of the non-profit sector, umbrella support organisations, and funders proactively encourage and guide NPOs to embrace a wider scope of governance and strengthen the level of governance in the sector.Originality/valueThis paper contributes to the literature by proposing a contingency-based accountability and governance framework in the non-profit sector to support future research in this field. It also sheds light on competing theoretical debates relating to the conceptualisation and operationalization of accountability and governance.

Multi-level diagnostics of agrarian economy subjects according to the degree of readiness for digital transformations

Although the agricultural sector is one of the most mature sectors in the Republic of Uzbekistan, the share of agriculture in GDP is 27.9%. This indicator proves that one of the key elements of an intensive approach in the field is the problem of digitalization of agriculture. The purpose of the study is to formulate and implement a strategy for modernization of agriculture in the digital economy, to develop theoretical, methodological and organizational-methodological rules to improve the quality of network management. Based on the purpose of the study, the following tasks were identified: to assess the level of readiness of agrarian economic entities for digital transformation, taking into account the impact of external and internal environment, grouping, quantitative and scoring methods. As a result, DIGITAL-analysis was developed by grouping, quantitative and scoring methods of readiness of greenhouses for digital transformations.

Gross operating rate of trade entities

Introduction. In connection with the harmonization of Ukrainian official statistics according to European Union standards, "value added at production costs" included to enterprises economic indicators. However, the accepted monetary dimension limits its analytical significance. Analysis of recent research and publications. The EU practice, unlike Ukraine, supplements the main indicators of enterprises structural statistics with a relative indicatorthat based on value added at production costs – the indicator "gross operating rate". The purpose of the paper is to substantiate the feasibility of determining the gross operating rate of trade entities in Ukraine to ensure further harmonization and unification of Ukraine and the EU official statistics to obtain relevant information on the impact of internal and external business environment. Results. The analysis showed that the gross operating rate of trade entities in Ukraine is unstable and heterogeneous; this is due to a set of influencing factors. In addition, this indicator is characterized by abnormally high values: close to the values of processing industry and almost twice the values observed in the EU. Conclusions. The gross operating rate indicator is more analytical for effective monitoring of national economic and development of state economic policy, macroeconomic analysis and international comparisons, calculation and analysis of which allows determining the main directions of improving the relevance of statistics and optimizing domestic enterprises.

Study on the Wavelet Threshold Noise Reduction Technique Based on MATLAB

In the process of image processing, image acquisition, conversion and transmission are often affected by imaging equipment and external environmental noise impact, so that the image degradation. The follow-up image processing of digital image noise influence is bigger, so there are very important realistic meanings to remove image noise. Image denoising is an extensive image pretreatment technology, the purpose is to improve the image SNR, highlight the expectations of the image features. Modern image noise reduction technology is very much, and each has its advantages and disadvantages, in the process of image processing, image acquisition, conversion and transmission are often affected by imaging equipment and external environmental noise impact, so that the image degradation. The follow-up image processing of digital image noise influence is bigger, so there are very important realistic meanings to remove image noise. Image denoising is an extensive image pretreatment technology, the purpose is to improve the image SNR, highlight the expectations of the image features. Modern image noise reduction technology is very much, and each has its advantages and disadvantages, among them, wavelet threshold denoising is a denoising technique can have good treatment of Gauss noise, wavelet threshold denoising is divided into soft threshold and hard threshold denoising, for different noise, can take different threshold denoising, can get very good the effect of. MATLAB is a very good software, and her language is simple and powerful, can finish all kinds of simulation of signal processing, especially the simulation of image denoising. Among them, wavelet threshold denoising is a denoising technique can have good treatment of Gauss noise, wavelet threshold denoising is divided into soft threshold and hard threshold denoising, for different noise, can take different threshold denoising, can get very good effect. MATLAB is a very good software, and her language is simple and powerful, can finish all kinds of simulation of signal processing, especially the simulation of image denoising.