Accès ouvert
2024
article
OpenAlex
Yuanqiu Liu, Zhi Chen, Youjun Huang, Tingfang Luo et autres
The characteristics of the plateau curve, specifically its length and slope, in boron-coated proportional counters are key performance indicators that impact the detector’s overall performance. Currently, the lack of research on the plateau curve of boron-coated proportional counters is holding back progress …
cn
(code pays fourni par la source)
2023
conference-paper
OpenAlex
Wenchao Wu, Lili Yan
The importance of energy for an enterprise is self-evident. With the rapid development of my country’s economy, its dependence on energy is becoming more and more serious. It can be said that energy security will directly affect the country’s future development. The …
2010
conference-paper
OpenAlex
Shengmin Zhao, Wenchao Wu
Benford's law is used to describe the statistical character of first digits from natural and experimental data sets. In this paper, we examined the first digits distribution of two main indices in Chinese stock market, the SSE Composite index and SSE Component …
cn
(code pays fourni par la source)
2009
conference-paper
OpenAlex
Fan Zhi-qing, Xueqing Wang, Wenchao Wu
Evaluation method based on the fuzzy comprehensive evaluation is brought out trying to analyze the credit of practicing qualification personnel after the index system is established. And then, a case study is executed by taking one participator of practicing qualification as an …
cn
(code pays fourni par la source)
2009
conference-paper
OpenAlex
Shengmin Zhao, Wenchao Wu
In this paper, a linear matrix inequalities (LMIs) method for the mean-variance model of portfolio selection is studied Two kinds of optimal models for determining the portfolio selections are analyzed. By applying the portfolio theory, these models are transformed to equivalent models …
cn
(code pays fourni par la source)