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Search Results: 1 - 10 of 63083 matches for " Yu Lina "
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Study on the Peer Effect of Unrelated M&As Decisions  [PDF]
Lina Yu
Modern Economy (ME) , 2017, DOI: 10.4236/me.2017.812096
Abstract: This paper takes 7464 pieces of M&As events for A-share listed companies in China from 2010 to 2015 as samples and investigates the industry peer effect of unrelated M&As decisions. The research shows that there exists the peer effect when companies make unrelated M&As decisions in the same industry. This paper also makes further examinations and finds that the M&As experience and scale of companies enhance the peer effect. Moreover, companies with more industry competitions have more obvious industry peer effect. This paper enriches the M&As decisions theory and has guiding significance in practice.
The Research on the Effect of Consumer Internal Psychological Preference to the Retail Industry Inventory  [PDF]
Lina Fang, Yu Hou, Yangchen Chen
Journal of Service Science and Management (JSSM) , 2016, DOI: 10.4236/jssm.2016.95044
Abstract:
Supply chain inventory plays an increasingly important role in rising prosperity and flexible retail industry. The retail industry’s own characteristics determine the importance of the inventory. The inventory management has played an important role in reducing the cost of supply chain and the whole supply chain coordination and stability. This paper takes the consumer internal psychological preference as the starting point. Data are obtained through market research on consumer internal psychological preference and consumer sensitivity of the inventory. Based on the internal psychological preferences of consumers, the correlation among product quality, product price, and consumer behavior of the three potential variables is analyzed. This paper constructs the structural equation model of consumer behavior and inventory sensitivity, and puts forward the main issues and improvement measures to the retail industry inventory.
An Empirical Study Based on Supply Chain Supplier Evaluation System  [PDF]
Quan Qu, Lina Fang, Yu Hou
Journal of Service Science and Management (JSSM) , 2016, DOI: 10.4236/jssm.2016.95045
Abstract: Under the environment of supply chain, enterprises not only put forward higher request to the product itself, but also focus more on the supplier selection criteria. In the early stage of the supply chain construction enterprises, we will find that there are many outstanding suppliers to choose from; facing a large number of suppliers, an effective way of supplier evaluation is very important. In this paper, the principal component analysis method is applied in supplier evaluation index, by extracting the principal components of the multi index comprehensive evaluation, and quantitatively provides guidance and reference for the selection of suppliers for the enterprises in the supply chain.
Threshold-belt Barization Method Research of High Sampling Density Gray-coded Image
Xiaoyang Yu,Lina Shan,Shuang Yu
Information Technology Journal , 2010,
Abstract: In order to enhance the quality of high sampling density gray code image binarization, a threshold-belt binarization method is proposed in this study. First of all, by using this method, we need to establish a single threshold and then, according to the dispersion of the background and objectives, respectively with the single threshold, we set up a collection of threshold-belts. By removing the sampling points in the threshold belt, binary the sampling points outside of the threshold belt in order to get background and objectives, namely, the fact that the black and white stripes of the gray code image. This method avoids the phenomenon of misjudgments of the gray-scale sampling points near the single threshold. It also improves anti-interference ability of the image binarization and accuracy of the measurement.
Normative reference of standing long jump indicates gender difference in lower muscular strength of pubertal growth  [PDF]
Louisa Ming Yan Chung, Lina Pui Yu Chow, Joanne Wai Yee Chung
Health (Health) , 2013, DOI: 10.4236/health.2013.56A3002
Abstract:

Background: Although the standing long jump (SLJ) is a popular physical fitness assessment, it lacks an updated criterion-reference standard. This study generated the first normative SLJ test data for Chinese aged 8 - 18. Methods: From September 2005 to December 2011, comprehensive physical fitness assessments were conducted on 12,712 school students. The SLJ performances were significantly different between boys and girls (all age groups, p < 0.01). Results: The boys performed better than the girls in each age group. The mean difference increased as the age increased, depicting a prominent variance in muscular strength between boys and girls at age 12, and the variances became larger at age 18. Girls in the 70th percenttile performed similarly to boys performing in the 10th percentile. The onset of muscle strength for boys found in this study corresponded to the onset age of testosterone maturation of Chinese boys investigated in previous studies. Linear regression found age and BMI predicting SLJ significantly for boys and girls, explaining better SLJ results in older boy and the effect of their heavy body size. Conclusions: This study indicated a muscular strength difference between genders during growth and added supporting evidence to the hormonal influence of muscle growth during puberty.

Can a cardiorespiratory field parameter assess both cardiovascular and respiratory fitness in schoolchildren?  [PDF]
Louisa Ming Yan Chung, Lina Pui Yu Chow, Eric Cheuk Kuen Tsang, Joanne Wai Yee Chung
Health (Health) , 2014, DOI: 10.4236/health.2014.61006
Abstract:

Background: Cardiorespiratory fitness involves both cardiovascular and respiratory capacities. However, existing methods have been criticised for reflecting cardiovascular fitness, but not pulmonary fitness. The objective of this study was to investigate the relationship between these two testing parameters. Methods: A cross-sectional population-based physical fitness assessment was conducted in 23 schools. The body height and weight, lung capacity, and step test results of students aged 10-18 were recorded. Criterion-referenced standards from the China Sports Bureau were adopted, as they include separate measurements for cardiovascular and pulmonary fitness. Results: The Pearson coefficients of lung capacity and the step test index from 13,028 schoolchildren ranged from 0.007 to 0.086 and from 0.026 to 0.105 for boys and girls, respectively, showing that poor correlations exist between the two parameters. Cluster analysis resulted in three clusters of children with similar characteristics. A good degree of similarity was found between the two parameters in children obtaining an “excellent” grade, but only a moderate degree of similarity between the two parameters in those obtaining a “good”, “pass” or “fail” grade. Conclusion: When cardiovascular fitness and pulmonary fitness are considered separately, there is a poor correlation between them, thus indicating further studies of cardiopulmonary fitness measurements is necessary.

Double SiC Oxidation Protective Coating on C/C Composites Prepared by Spark Plasma Sintering  [PDF]
Xianghong Zhang, Changhu Yu, Lina Qiao, Beilong Zhao, Hao Huang, Hongxia Song, Xiaochen Sheng
Journal of Minerals and Materials Characterization and Engineering (JMMCE) , 2017, DOI: 10.4236/jmmce.2017.56031
Abstract: Easy oxidation of carbon limits applications of carbon-carbon composites in an oxygen-containing environment. In this study, a two-layer SiC coating was prepared on carbon-carbon composites by a Spark plasma sintering technology at 1350°C for 1 min. The coating was mainly composed of β-SiC and Si and well bonded with the substrate. The double SiC coating could effectively protect the C/C composites from oxidation at 1600°C for 120 h, and the corresponding weight loss was only 2.62%.
The Financial Impact of Joining the Chain and Improving Hotel Rating: A Case Study in Russia  [PDF]
Lina Krengel
Open Journal of Business and Management (OJBM) , 2016, DOI: 10.4236/ojbm.2016.44066
Abstract: The objectives of this study were to consider the development of hotel chains in Russia and, further, to analyze the financial advantages or disadvantages of joining as part of the largest hotel chain’s membership, as well as to analyze the financial activity of the company before and after joining the chain. The theoretical foundation of this research was based on overall theories of economic development. This research was conducted within a case study framework. The research instruments used were interviews of hotel employees for thematic analysis, and chronological analysis of the hotel’s financial performance during two periods: 2010-11 and 2012-13. Findings of the research indicate that joining a well-known and large hotel chain as well as an improved hotel ranking has a significant financial impact on the hotel studied within this case study. It certainly improved the image of the hotel in the market, increased its reputation, and made it more recognizable.
Research on the Innovation of Reading Promotion Service Model of University Library Based on Readers’ Characteristics—Taking the Library of Heilongjiang Bayi Agricultural University (HLAU) as an Example  [PDF]
Lina Li
Journal of Service Science and Management (JSSM) , 2018, DOI: 10.4236/jssm.2018.114026
Abstract: Based on the practical experience of reading promotion in the library of HLAU in recent years, this paper analyzes the reasons for the bottleneck of reading promotion in university libraries, expounds the problems that need to be solved urgently in the promotion of reading from the theoretical basis, student resources, financial support and leadership attention and proposes future development trends and directions, thus providing an effective way of reading promotion for the libraries of agricultural colleges and universities.
A Practical Research on Improving Reader’s Reading Literacy by Using WeChat Service under the Perspective of PIRLS and PISA2018  [PDF]
Lina Li
Creative Education (CE) , 2018, DOI: 10.4236/ce.2018.911124
Abstract: With the effective development of PIRLS and PISA2018 in China, research on reading literacy has developed more and more, while reading literacy has become a key indicator of a country’s soft power. The university library is an important place to cultivate college students’ reading literacy and has the responsibility of reading education. The development of WeChat services in colleges and universities provides a new way for their reading literacy training. Taking the library of Heilongjiang Bayi Agricultural University as an example, this paper expounds the construction of WeChat platform and the situation of WeChat service, and puts forward the main ways of improving the reading literacy of college students according to the actual work, aiming at giving full play for the university library to play their important role in the terms of cultivating the reading literacy of college students.
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