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排序方式: 共有56条查询结果,搜索用时 812 毫秒
1.
Effects of DEM Source,Spatial Resolution and Drainage Area Threshold Values on Hydrological Modeling
Water Resources Management - Automated computation of hydrological and morphometric parameters of any watershed are not only depended on Digital Elevation Model (DEM) resolution but also affected... 相似文献
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In this article, linear programming and fuzzy optimization models are developed for planning and management of available land-water-crop system of Mahanadi-Kathajodi delta in eastern India. The models are used to optimize the economic return, production and labour utilization, and to search the related cropping patterns and intensities with specified land, water, fertilizer and labour availability, and water use pattern constraints. Due to extreme backwardness of the study area, it has been decided to keep all the three objectives of the linear programming models at the same priority level to obtain the compromised solution in a fuzzy environment that incorporates the imprecision in fuzzy goals and fuzzy constraints. These non-structural models facilitate the conjunctive use of available surface water and groundwater resources. A comparative evaluation along with the benefit-cost ratios of the existing and proposed farming systems is also presented. 相似文献
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Rohit Dadwal 《成功营销》2011,(2):78-79
2011年全球移动广告市场收益额预计将增至130亿~140亿美元,随着市场不断扩大,十大趋势将会凸显。 相似文献
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Randall E. Lasalle Scott K. Jones Rohit Jain 《Journal of Business Finance & Accounting》1993,20(5):653-671
This paper investigates the association of executive changes with both income increasing and decreasing accounting changes. Two potential explanations for the hypothesis that firms with changes in CEOs are more likely to make accounting changes are examined. The earnings management explanation holds that new management intervenes in the financial reporting process in order to alter perceptions of effectiveness. The different perspectives explanation holds that managements have different tastes, perspectives, or views of the world than the predecessor. Evidence supports the different perspectives explanation. 相似文献
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Despite the strategic importance of understanding competitive structure and the dynamics of competitive behavior, there has been almost no empirical study of how managers perform these analyses. We provide a conceptualization of how competitive analyses can be framed by decision makers and for researching how human biases in decision making and corporate culture impact on the nature and use of competitive analysis information.We are grateful for the comments of George Day, Peter Dickson, Pete Fader, Don Lehmann, Rajan Varadarajan, and David Wheaton on an earlier version of this paper. 相似文献
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Measuring Market Orientation: Generalization and Synthesis 总被引:11,自引:5,他引:11
This paper reports on an integrative, cross-nationalstudy which synthesizes and retests work of three separate groupsof researchers who in the late 1980s developed measurementsof a firm's Market Orientation. The projects resulted in threedifferent but syntactically similar Market Orientation scaleswhich, along with other measures, were used to support substantiveconclusions, particularly those involving firm Performance. Basedon a new study of 82 managers in 27 European and U.S. companies,we show that all three scales are reliable and valid. The scalesalso seem to generalize well internationally, both in terms ofreliability and prediction of Performance. We also show thatthe scales are similar to one another in terms of various validitymeasures and in terms of correlations with Performance measures.Finally, we synthesize a 10-item scale based on a more parsimoniousdefinition of Market Orientation as: the set of cross-functionalprocesses and activities directed at creating and satisfyingcustomers through continuous needs-assessment. 相似文献