Qiqihar City Research Articles

Research in influencing factors of job satisfaction degree among community nurses in Qiqihar city

Objective To understand the influencing factors of job satisfaction degree among community nurses in Qiqihar city.Methods Using stratified systematic cluster sampling method,we conducted self-administered questionnaire,results were subsequently analyzed.Results Logistic regression analysis was introduced,influencing factors of job satisfaction degree included work location,age,marital status,professional title,properties of jobs,monthly income and work length.Conclusions The government should pay attention to community health care services,gasp the situation of job satisfaction degree of community nurses timely,take innovative measures,improve job satisfaction degree of community nurses,stabilize community nursing teams and promote the development of community health services. Key words: Community nurses; Job satisfaction degree; Influencing factor

Nest-site selection pattern of Grus japonensis in Zhalong Nature Reserve of northeast China

Nest-site selection patterns of Red-crowned cranes (Grus japonensis) and the effects of environmental variables were studied during the years of 2002–2008 in Zhalong Nature Reserve, Qiqihar city, northeast China. The nest-site selection pattern of Red-crowned cranes included two orders and three choices: the choice of nest-site habitat type within the macro-habitat order, nest zone selection and nest-site microhabitat selection within the micro-habitat order. Various habitats (such as Carex swamps and reed fire districts) can be selected as the nest sites for Red-crowned cranes, of which reed swamps (93.15%) are given a preference. Factor Analysis reveals that the micro-habitat selection are affected by four main factors: fire, security (concealment / disturbance), incubation (conditions, nest-material), and food. Further analysis reveals that Red-crowned cranes have certain adaptability to the changes of nesting habitat quality in the Zhalong wetlands. In conclusion, fire, reeds, and water were the most important variables for nest-site habitat selection of Red-crowned Cranes in Zhalong Nature Reserve.

Association of genetic variation in apolipoprotein E and low density lipoprotein receptor with ischemic stroke in Northern Han Chinese

Background Ischemic stroke is the end phenotype of a complex interaction between various genetic and environmental factors. Objective We aimed to explore association of two lipid-relevant genetic variants and conventional risk factors with risk of having ischemic stroke in Northern Han Chinese. Methods Genotyping was performed in 396 ischemic stroke patients and 396 controls that were all recruited from the four hospitals of Qiqihar city. Data were analyzed using χ 2 test, logistic regression and haplotype analyses. Results Significant differences were observed for genotype and allele distributions of APOE ε2/ε3/ε4 polymorphism ( P < 0.001) with ε4 allele conferring a 2.19-fold risky effect ( P < 0.001), while no statistical differences were found for LDLR C1773T distributions. Haplotype analysis indicated the remarkable differences for haplotypes harboring APOE “ε2” or “ε4” alleles between cases and controls after the stringent Bonferroni correction. Moreover, all multiple-testing associations remained significant using false discovery rate (FDR) method. Further our multiple logistic regression analysis showed significant associations of hypertension status (OR = 5.37, P < 0.001) and APOE ε2 (OR = 0.45, P < 0.001) and ε4 (OR = 1.50, P = 0.003) alleles with ischemic stroke after controlling confounders, and their correlations with plasma lipid profiles were strengthened by stratification of alleles and hypertension status combined. Conclusions Our results not only demonstrated potential interactions of APOE ε2/ε3/ε4 and LDLR C1773T polymorphisms with risk of having ischemic stroke, but also added the evidence of independent role of hypertension and APOE ε2/ε3/ε4 polymorphism in the development of this disorder in Northern Han Chinese.

Optimal Groundwater Management Model in a Two-Aquifer System

An optimal model is developed for determining the well sites and their pumping rates from the upper aquifer and lower aquifer in a two-aquifer system, which is designed to prevent the water quality in lower aquifer from contamination of the polluted upper aquifer by observing a set of constraints determined by the drawdowns between the upper and lower aquifers. The physical model of the complex simulation area may be simplified as a two-aquifer system, which consists of an upper phreatic aquifer and a lower confined aquifer with a leaky stratum between them. First, a numerical quasithree-dimensional mathematical equation is introduced to govern the flow of the two-aquifer system. Second, the generation of the response matrix in two-aquifer system is presented by separating the numerical quasithree-dimensional mathematical equation into three equations. Then the objective management strategy for the upper and lower aquifers is designed to construct a linear programming model, the optimal groundwater management model, with its constraints through the response matrix approach in a two-aquifer system. The developed model with data from Qiqihar City, Heilongjiang Province, China is used for allocating the withdrawal amount optimally among wells in the upper and lower aquifers without reducing the water quality in the lower aquifer and satisfactory results are obtained.

Nipping Bad Tendencies in the Bud

The Ang-Ang-Xi branch of the public security bureau of Qiqihar City, Heilongjiang, has a force of a hundred officers and men, of which new recruits since 1981 make up 48 percent. With almost half its members relative newcomers, the branch faces the serious problem of how to exercise strict disciplinary control over its men. Since 1983, it has undertaken this task as one of its major priorities. It has nipped in the bud violations of discipline and other bad tendencies, with outstanding results.