黄鳝隐藏新棘虫的寄生特性研究

采用随机采样和统计学的方法研究了黄鳝隐藏新棘虫的寄生特性．结果表明：黄鳝体内隐藏新棘虫的感染率为27．3％,感染强度为6．2条／尾;不同体长组黄鳝的感染率和感染强度不同,感染率范围是23．1％～37．5％,感染强度范围为4．8～8．8（P〉0．05）;隐藏新棘虫主要分布在小肠前段0～3cm范围内,在黄鳝体内呈聚集分布．     

Business Performance, Business Strategy, and Information System Strategic Alignment: An Empirical Study on Chinese Firms

The alignment between information systems （IS） and business strategy along with its implications for perceived IS effectiveness and business performance is an important question, which is rarely studied in China. Based on an empirical study, this paper summarized the significance of IS strategic alignment and its impact on business performance. This study also measured business strategy, information system strategy, and information system strategic alignment, built a conceptual model to describe the relationship between these factors, and investigated their implications for information system performance and business performance. A structural equation model was employed to test the conceptual model. Analyses of data gathered in a survey indicate that information system strategic alignment is a better predictor of business performance than business strategy or information system strategy alone, although business strategy can significantly influence business performance.