First, sex differences in research productivity declined over the time period studied, with the female-to-male ratio increasing from about 60 percent in the late 1960s to 75 to 80 percent in the late 1980s and early 1990s. Second, most of the observed sex differences in research productivity...
Drawing on recent research on accounting-based valuation, this paperoutlines a financial statement analysis for use in equity valuation. Standardprofitability analysis is incorporated, and extended, and is complemented with ananalysis of growth. An analysis of operating activities is distinguished from ...
A Research to Village Combination and the Analysis of the Influences of Which Having on Social Economy During the Urbanization Process of Yantai City ratio, the proportion of urban and rural areas to the whole population and finally programs the rational scale of central villages and towns of Yant...
With metrological analysis as the research method,this paper collected core journal papers on English teaching of primary and secondary schools from 1992 to 2015 in China,and analyzed the following dimensions of those papers,including quantity and years of publication,keywords,source journals,authors,cit...
The ultimate load greatly drops with the increasing of slenderness ratio of the column. Based on the experimental results of stub columns of concrete-filled thin-walled steel tube, the ultimate load reduction factor is linearly regressed counting for the effect of slenderness ratio. The calculation ...
paper introduced the overseas development,trends and rules of post-evaluation.According to the domestic development situation of post-evaluation,the paper pointed out the problems in organization,financial and legal security of the investment projects.The solutions were proposed for the improvement of the...
The continuous development of smart industrial parks has imposed increasingly stringent requirements on safety helmet detection in environments such as factories, construction sites, rail transit, and fire protection. Current models often suffer from issues like false alarms or missed detections, especially...
However, considering that CIoU Loss is only a regression on aspect ratio, in this paper, the Focal-EIoU Loss function is implemented as the bounding box loss in YOLOv5 predictions to enhance its performance. Not only the length and width are considered separately, directly using the side ...
1995. Guan yu jia su ke xue ji shu jin bu de jue ding (Decision on Accelerating the Advancement of Science and Technology). Beijing: Government of People's Republic of China. Chawla, Dalmeet. 2020. A single ‘paper mill’ appears to have churned out 400 papers. Science. https://www....
In reality, for example, the exchange ratio of Jingdou incentive and RMB adopted by JD is about 1:100. Overall, the incentive to participate in the recycling of express packaging is not very strong, so it has little effect in reality. At the same time, the subsidy of the platform can ...