Results Of Quality Evaluation Research Articles

山东昌乐土壤环境质量评价

在昌乐县采集了315份表层土壤样品，分析了其中As、Pb、Zn、Cd、Cr、Cu、Hg和Ni八种重金属元素的含量，采用单因子指数和内梅罗指数对土壤环境质量进行评价。单因子土壤环境质量评价结果表明，昌乐县土地环境质量总体状况良好，除镍元素以外，其它七项重金属指标均属清洁的，即达到I级土壤环境质量标准的土壤面积都占99.46%以上。土壤环境中镍的高风险含量，主要与地质背景有关，污染区集中分布在昌乐县中部的新近纪玄武岩分布区，岩性主要为玄武岩夹砂砾岩、粘土岩及硅藻土。内梅罗污染综合指数评价结果表明，昌乐县土地环境质量以Ⅰ级土壤环境质量标准的土壤为主，比例为53.83%，其次为II级、III级，分别占境域面积的22.62%、19.04%，IV级、V级土次之，分别占境域面积的3.91%、0.60%。其中，镍含量较高，属于污染最严重的因子，对内梅罗综合指数评价结果影响较突出，而其余七项重金属指标均属清洁的。 In Changle County, we collected 315 topsoil samples, analyzed the content of As, Pb, Zn, Cd, Cr, Cu, Hg and Ni eight kinds of heavy metals, using single factor index and Nemerow index to evaluate the soil environmental quality. The evaluation results of single factor soil environmental quality showed that the overall condition of soil environmental quality in Changle County is good; except nickel, seven other heavy metals indicators are clean, i.e. soil area that reached grade I soil environmental quality standards accounted for more than 99.46%. The high-risk nickel content of soil environment is primarily related to geological background. Contaminated areas are concentrated in Neogene basalts distribution areas in central part of Changle County. Its lithology is mainly basalt with interlayer of conglomerate, claystone and diatomite. Nemerow pollution index evaluation shows that the quality of soil environment in Changle County is mainly grade I level of soil environmental quality standards, with ratio of 53.83%. Then grades II and III account for 22.62% and 19.04% of the domain area. Again grades IV and V account for 3.91% and 0.60 % of the domain area. Nickel content is relatively high, which is the most polluted factor affecting the Nemerow index evaluation results. The remaining seven indicators of heavy metals are clean.

Tourism Track Management of Cibeureum Waterfall as a Provider of Landscape Beautification Service at Gunung Gede Pangrango National Park

Landscape beautification service is one of landscape services that provided by Cibeureum Waterfall tourism track. One way to keep the quality of landscape beautification service is to make a management plan. The SBE analysis shows that the wide and measured images of the landscape were giving a significant impact for landscape aesthetic quality value. From SD analysis, the result demonstrated that modification or addition of the hardscape type would give impacts to landscape aesthetic characteristics. All the results of landscape quality and landscape characteristics evaluation were considered for the management plan recommendation.

Framework for fair objective performance evaluation of single‐image super‐resolution algorithms

Single-image super-resolution (SISR) is a technology to reconstruct a high-resolution image from a single low-resolution input image. The performance of SISR algorithms is usually evaluated by applying full-reference objective image quality assessment metrics. First, it is argued that the result of objective quality evaluation may become inconsistent with subjective quality assessment, depending on how the input low-resolution image is generated and how up-scaling during SISR is conducted. Since such inconsistency is due to subpixel-level misalignment between the original and output images, a framework is then proposed that compensates any spatial displacement between the two images and enables fair SISR performance evaluation using objective quality metrics.

Quartz surface morphology of Tertiary rocks from North East Sarawak, Malaysia: Implications for paleo-depositional environment and reservoir rock quality predictions

Abstract The relationship between quartz surface textural defects (derived from weathering and diagenesis), palaeo-depositional environment and reservoir quality were studied using Tertiary outcrop rock samples obtained from the Belait and Lambir formations of the Sarawak Basin, Malaysia. Thin sections were used for mineral identification and to make observations regarding grain size and texture. Morphological characterization of the samples was performed using scanning electron microscopy (SEM) attached with energy-dispersive X-ray spectrometry (EDX) system, to show variations in quartz surface texture. The SEM images of Belait conglomerates reveal euhedral quartz crystals characterized with prominent mechanical weathering defects (such as straight and conchoidal fractures and striations). Conversely, the analysis of the Lambir sandstones identified chemical weathering features (such as chemical etchings, pitting, solution pits and notches). On the basis of petrology, SEM and CT scan images, evaluation results of reservoir quality indicate that the Lambir Formation in this study area is high-energy coast deposit, with apparent tide-dominated features; while Belait Formation is neritic-delta deposit, with obvious wave-dominated features; reservoir quality of the Belait Formation and Lambir Formation are poor, but the porosity of the Belait Formation is relatively higher than that of the Lambir Formation.

Radiometric Quality Evaluation of INSAT-3D Imager Data

Abstract. INSAT-3D is an advanced meteorological satellite of ISRO which acquires imagery in optical and infra-red (IR) channels for study of weather dynamics in Indian sub-continent region. In this paper, methodology of radiometric quality evaluation for Level-1 products of Imager, one of the payloads onboard INSAT-3D, is described. Firstly, overall visual quality of scene in terms of dynamic range, edge sharpness or modulation transfer function (MTF), presence of striping and other image artefacts is computed. Uniform targets in Desert and Sea region are identified for which detailed radiometric performance evaluation for IR channels is carried out. Mean brightness temperature (BT) of targets is computed and validated with independently generated radiometric references. Further, diurnal/seasonal trends in target BT values and radiometric uncertainty or sensor noise are studied. Results of radiometric quality evaluation over duration of eight months (January to August 2014) and comparison of radiometric consistency pre/post yaw flip of satellite are presented. Radiometric Analysis indicates that INSAT-3D images have high contrast (MTF > 0.2) and low striping effects. A bias of <4K is observed in the brightness temperature values of TIR-1 channel measured during January–August 2014 indicating consistent radiometric calibration. Diurnal and seasonal analysis shows that Noise equivalent differential temperature (NEdT) for IR channels is consistent and well within specifications.

Development of novel fruit bars by utilizing date paste

Abstract In this study, we aimed to produce novel fruit bars by using two different types of popular date cultivars (Nabtat Ali and Sukkari). Standard procedures were adopted for preparing the fruit bar. However, in this study, products were devoid of any sweet additives, as dates are rich in natural sugars. Various analysis (proximate composition, total phenolics content, antioxidant activity, colour, textural profile, and sensory quality evaluation) were performed to evaluate the overall virtues of date based fruit bar. Results showed date fruit bars to be rich in protein, fat and carbohydrates with good energy values. However, decrease in total phenolics and inhibition of DPPH radical was observed in fruit bars compared to raw dates. Texture wise, products had high fracturability, indicating easy to bite and chew nature, thus rendering it suitable for elderly people and small children. Results of sensory quality evaluation indicated dates to have excellent potential to be converted into fruit bars. Results generated in this study suggest date-based fruit bars may be expected to fulfill the requirements of health conscious consumers. It is anticipated that this novel food product will attract better marketability at the international level.

Adaptability evaluation of different fusion methods on ZY-3 and Landsat8 images

ZY-3 and Landsat8 are new satellites lunched recently. In terms of the two kinds of images acquired by the two satellites,the applicability evaluation of the common fusion methods is insufficient. In this paper,the adaptability evaluation of the 6 fusion methods including wavelet transform( WT),Gram_Schimdt transform( G-S),principal component analysis( PCA),Pansharp and HIS for ZY-3 and Landsat8 image fusion was discussed,and the spectral information fidelity and spatial information integration were used to evaluate the quality of image fusion. The results of quality evaluation show that,in terms of spatial information integration,IHS transform is the best,followed by PCA,Brovey,G-S and WT,and Pansharp is the worst transform for ZY-3 image; G-S transform is the best,and Pansharp is the worst transform for Landsat8 image. Nevertheless,in terms of spectral information fidelity,PCA transform is the best,followed by IHS,G-S and Brovey,and WT is the worst transform for ZY-3 image,G-S transform is the best,followed by Pansharp and Brovey,and IHS,WT and PCA are worse transforms for Landsat8 image.

Internal Control Quality Evaluation Model for Information System Based on QFD and Risk Analysis

Internal control Quality evaluation of the information system based on the risk management is a more significant issue in the corporate governance. It presents a proposed method for the development of quality assessment and risk evaluation and early-warning for internal control of the information system, and shows the application of the ordinal logistic regression model and its advantages. It involved several steps: processing a quality design through QFD based on the customer need, building a quality evaluation index system of internal control based on risk analysis, building the ordinal logistic regression model, differentiating and analyzing the quality evaluation to reach the internal control quality evaluation result.

Research on Teaching Quality Evaluation Using Data Mining Technique

—In this paper, we employ data mining (DM) technique to analyze various potential factors which impact the in-class teaching quality evaluation. Based on an effective dataset, we first exploit association rule method to mine the relationship between the teacher’s attributions, such as title, degree, age, seniority, and load, and the in-class teaching quality evaluation results. Then, we construct the decision tree of course’s attributions to reveal how the course’s attributions, such as property, credit, week hour, and number of students, impact the in-class teaching quality evaluation results. Our mined rules can provide effective guidance to talent development, teaching management, and input of talent in higher education system. Index Terms—data mining, decision tree, association rule, teaching quality evaluation

The optimal ratio time-frequency mask for speech separation in terms of the signal-to-noise ratio

In this paper, a computational goal for a monaural speech separation system is proposed. Since this goal is derived by maximizing the signal-to-noise ratio (SNR), it is called the optimal ratio mask (ORM). Under the approximate W-Disjoint Orthogonality assumption which almost always holds due to the sparse nature of speech, theoretical analysis shows that the ORM can improve the SNR about 10log(10)2 dB over the ideal ratio mask. With three kinds of real-world interference, the speech separation results of SNR gain and objective quality evaluation demonstrate the correctness of the theoretical analysis, and imply that the ORM achieves a better separation performance.

Image Quality Assessment Based on Contourlet and Gradient Structural Similarity

To compensate for the defect of inaccurate evaluation of fuzzy distortion by the SSIM original algorithm, following the existing gradirent structure similarity algorithm, considering the multi-resolution and multidirectional characteristics of the Contourlet transform, an image quality assessment algorithm based on Contourlet and Gradient Structural Similarity (CGSSIM) was proposed. The experimental results show that the CGSSIM algorithm is more suitable for the human visual system characteristics than the PSNR and SSIM algorithm and it can get better image quality evaluation results.

Evaluation on Water Quality of Urban Drinking Water Source in Beibei District, Chongqing

In 21 century, water quality problem is one of the most serious questions that effected human healthy and social development. In this context, it is necessary to evaluation water quality for drinking water. This is undoubtedly of great significance to human health and social stability. Based on the water monitoring and field surveys, this manuscript applied with “one-vote negation” method and eutrophic index evaluation method for two important urban drinking water resources in Beibei district, Chongqing. These two method were mainly depend on single water quality index which was indicated the worst one. And the results shower that: (1) evaluation by “one-vote negation” method, water quality of water resource D was satisfied with grade Ⅲ, and centralized water supply of J was meet with grade Ⅱ. (2)Eutrophication assessment on all water points indicate that the evaluation results of water quality is acceptable.

Analytics Service Assessment and Comparison Using Information Service Quality Evaluation Model

Various information services are now becoming customizable in order to satisfy user’s information needs on the Web or in a mobile environment. Therefore, we now need a new approach for evaluating the information service quality from the user’s perspective. This paper proposes a new evaluation model for assessing information service quality of high value-added services such as business or technology intelligence services. It compares two analytics services, Google Analytics and InSciTe Adaptive, using the proposed evaluation model. The proposed information service quality model contains two evaluation factors based on usefulness and reliability as well as 22 detailed evaluation criteria. The result of the service quality evaluation shows that the evaluation model is useful for accessing the information service quality of various analytics services and for finding the main characteristics between different types of services in the practical domains of business and research.

Simultaneous Determination of Structurally Diverse Compounds in Different Fangchi Species by UHPLC-DAD and UHPLC-ESI-MS/MS

Two bisbenzylisoquinoline alkaloids, two morphine alkaloids, one aporphine alkaloid, syringaresinol and aristolochic acid І were selected as marker compounds and simultaneously analyzed using an ultra-high pressure liquid chromatography-diode array detection (UHPLC-DAD) method. These marker compounds were used for the quality control of Fangchi species of different origins, including Sinomenium acutum, Stephaniatetrandra, Cocculus trilobus and Aristolochia fangchi. A reversed-phase UHPLC-DAD method was developed and validated for the simultaneous quantification of structurally diverse markers in different Fangchi species. In addition, an UHPLC-electrospray ionization tandem mass spectrometry (ESI-MS/MS) method was used for marker identification in Fangchi species, which provided diagnostic MS/MS spectral patterns that were dependent upon the marker structures. The UHPLC-MS/MS data were used to confirm and complement the UHPLC-DAD quality evaluation results. Additionally, magnoflorine and syringaresinol were observed for the first time in S. tetrandra and C. trilobus, respectively. Twenty different Fangchi species samples were analyzed for aristolochic acid I, syringaresinol and the alkaloids using the UHPLC-DAD and MS/MS method. Based on the levels of markers and principal component analysis (PCA), this method allowed for the clear classification of the samples into four different groups representing samples originating from the four species.

Product quality evaluation system based on AHP fuzzy comprehensive evaluation

Purpose: To reduce the subjective prejudice and uncertainty in evaluating product quality. Design/methodology/approach: AHP method is used to analyze the structure of product quality evaluation problem and determine weights for evaluation criteria. After structure judge matrix, sequencing calculation and concordance examination, evaluation methods such as fuzzy synthesis evaluation are used to calculate the integrated quality evaluation result of each product. Findings: A new model is proposed by comprehensively using AHP method, weighted comprehensive evaluation and fuzzy comprehensive evaluation. A practical example of a product has been used to illustrate the theoretical qualitative proposed evaluation model. Practical implications: The result of this research offers a new method for the enterprises production quality management. Originality/value: Using AHP fuzzy comprehensive evaluation method in building product quality evaluation system.

Application in Meta-Evaluation of Weapon Quality Based on Evidence Theory of Weight

A method based on the combination of experts’ assessments and D-S evidence theory of weight is proposed for reliability about result of quality evaluation. This method recurs to the idea of meta-evaluation, and actualizes the reliability measurement, then provides technical support for robust evaluation. Finally, we validate the method by using weapon primary evaluation result. It indicated that the method can measure the validity and reliability for primary evaluation result, and then improved commendably decision-making capability of weapon quality evaluation.

Comprehensive Evaluation of Power Quality Based on the Integration of Rough Set and Evidence Theory

In order to assess the power quality objectively and effectively, a comprehensive evaluation method of power quality based on rough set and D-S evidence theory has been proposed in this paper. The method combines rough set theory by means of defining the decision-making strength and expansion rules and using the decision-making table to obtain the basic probability assignment of D-S evidence theory, then by applying the fusion rules of evidence theory to integrate the various indicators of power quality, the pros and cons of ordering from each power quality evaluations can be obtained to achieve a comprehensive evaluation of power quality. The examples show that the results of power quality evaluation are more objective and rational by using this method. So it can prove the correctness and superiority of this method.

A Signal Subspace Speech Enhancement Method for Various Noises

In this paper, we propose a single-channel speech enhancement method in terms of subspace techniques to reduce the noises from speech signals in various noises environment. This subspace approach based on Karhunen-Loeve transform and implemented via Principal component analysis. The optimal subspace selection is provided by a minimum description length criterion. An offset factor generated from the white noise was used to modify the variance to adapt to the specified colored noise. Several objective speech quality measures have been introduced to give an overall evaluation of the proposed method. A large amount of data and figures, as well as the audio quality evaluation results, testify that the algorithm provides high performance for the input signal-to-noise ratio range from -5dB to 10dB. It is showed that the proposed approach have excellent characteristics for colored noises in strong background noise environment with lower signal-to-noise ratio. DOI: http://dx.doi.org/10.11591/telkomnika.v11i2.1999

Model for the Assessment of Seawater Environmental Quality Based on Multiobjective Variable Fuzzy Set Theory

With the rapid development of marine economy industry, the activities for exploring and exploiting the marine resources are increasing, and there are more and more marine construction projects, which contribute to the growing trend of eutrophication and frequent occurrence of red tide. Thus, seawater quality has become the topic which the people generally cared about. The seawater quality evaluation could be considered as an analysis process which combined the evaluation indexes with certainty and evaluation factors with uncertainty and its changes. This paper built a model for the assessment of seawater environmental quality based on the multiobjective variable fuzzy set theory (VFEM). The Qingdao marine dumping site in China is taken as an evaluation example. Through the quantitative research of water-quality data from 2004 to 2008, the model is more reliable than other traditional methods, in which uncertainty and ambiguity of the seawater quality evaluation are considered, and trade the stable results as the final results of seawater quality evaluation, which effectively solved the impact of the fuzzy boundary of evaluation standard and monitoring error, is more suitable for evaluation of a multi-index, multilevel, and nonlinear marine environment system and has been proved to be an effective tool for seawater quality evaluation.

Effect of vacuum packaging and pomegranate peel extract on quality aspects of ground goat meat and nuggets.

The effect of vacuum packaging and pomegranate peel extract on ground goat meat and cooked nuggets during refrigerated storage (4 ± 1°C) was evaluated. Three different treatments evaluated were: I). Aerobic packaging (AP); II) Vacuum packaging (VP) and III). Vacuum packaging along with 1% pomegranate peel extract (VP + PPE). Results of quality evaluation showed that VP and VP + PPE maintained a more stable colour than AP. In all treatments, a significant (P < 0.05) increase in hardness and gumminess of nuggets was observed during the storage. But, VP nuggets showed minimum changes in texture parameters. TBARS values were significantly (P < 0.05) lower in VP and VP + PPE than AP. In ground meat, VP reduced the TBARS by 27% and PPE reduced the TBARS by 41%. In nuggets, TBARS was decreased by 17% and 40% in VP and VP + PPE respectively. Total plate counts were significantly higher (>log 7) in AP than VP meat and nuggets. Thus VP and PPE have a synergistic antioxidant effect and VP extended the refrigerated shelf life of goat meat and nuggets.