Science Discovery

Volume 4, Issue 3, June 2016

  • The Molecular Identification Method for Purple Yam Cultivar Based on Genome RAPD Analysis

    Liu Pangyuan, Song Shuhui, Zhao Hong, He Weiming, Wang Wenqi, Wang Huijie

    Issue: Volume 4, Issue 3, June 2016
    Pages: 161-164
    Received: Jun. 01, 2016
    Accepted:
    Published: Jul. 05, 2016
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    Abstract: Based on the limited understanding of the former researchers on RAPD marker, numbers of cultivars of purple yam were utilized to evaluate the application of RAPD in cultivar identification of purple yam. The results showed that RAPD was a stable DNA marker technique, and it could be scientifically and easily used in cultivar identification purple y... Show More
  • Sample Unit Size Effects of Oncomelania hupensis snail on Its Spatial Statistics in the Marshland schistosomiasis Epidemic Area in China

    Liu Qing, Zhao An, Ma Yukuan, Li Cui, Zhang Wenxin

    Issue: Volume 4, Issue 3, June 2016
    Pages: 165-172
    Received: Jul. 01, 2016
    Accepted:
    Published: Jul. 05, 2016
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    Abstract: Analysis of multi-scale spatial variance and anisotropy was the crucial that should be taken into consideration in optimization of spatial sampling. The aim of this study was to analyse the effect of sampling unit size on perception of spatial variance of Oncomelania snail, the unique schistosomiasis intermediate host. A "push-broom" method was use... Show More
  • Effects of Different Cultivation Methods on Yield of Purple Yam

    Liu Pangyuan, Song Shuhui, Zhang Baohai, He Weiming, Wang Wenqi

    Issue: Volume 4, Issue 3, June 2016
    Pages: 173-175
    Received: Jun. 01, 2016
    Accepted:
    Published: Jul. 05, 2016
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    Abstract: Purple yam (Dioscorea alata L.) belonging to the herbaceous vine plants, dioscorea genus, Dioscorea subject and one kinds of edible plants. It’s Native to tropical Asia, purple yam is plants grown under a suitable short sunshine growth environment, is a kind of thermophilic plants, mainly temperate zone in China's southern provinces. We performed d... Show More
  • Analysis of Characteristics of Rainfall in Tongchuan China During 50 Years

    Li Yabin, Hou Kai, Qian Hui

    Issue: Volume 4, Issue 3, June 2016
    Pages: 176-182
    Received: Jul. 01, 2016
    Accepted:
    Published: Jul. 05, 2016
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    Abstract: According to the national weather service Tongchuan city for nearly 50 years (1964-2013) of rainfall measured data, the application of related theory and method of mathematical statistics, Mann-Kendall nonparametric tests, R/S analysis method, linear regression theory, all the methods are used to study these datas. Based on the results of mathemati... Show More
  • Analysis of Precipitation Variation and Trend Forecast in Huashan Area of China

    Hou Kai, Li Yabin, Qian Hui

    Issue: Volume 4, Issue 3, June 2016
    Pages: 183-188
    Received: Jul. 01, 2016
    Accepted:
    Published: Jul. 05, 2016
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    Abstract: In order to mitigate the adverse effects of drought, floods and other natural disasters on agriculture, and to provide a reliable climate foundation for agricultural structure adjustment, spatial and temporal variation of precipitation in Huashan Mountain needs further research and exploration. This paper based on rainfall data from 1964 to 2013 Sh... Show More
  • Wavelet Analysis on the Temporal Series of Precipitation in Baoji

    Yang Mi, Xu Pan-pan, Qian Hui

    Issue: Volume 4, Issue 3, June 2016
    Pages: 189-196
    Received: Jul. 01, 2016
    Accepted:
    Published: Jul. 05, 2016
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    Abstract: Adopting the series data of precipitationfrom 1952 to 2013 in Baoji city, shaanxi province, China, using Morlet wavelet function, the seasonal variation of precipitation and the time series of the interannual variation of precipitation in Baoji nearly 60aare analyzed by wavelet analysis, reveals the multiple time scales change complex structure of ... Show More
  • Case Analysis of the Monitoring Data for a Roller Compacted Concrete Dam at Impoundment

    Yang Shuai-dong, Huang Zhi-huai

    Issue: Volume 4, Issue 3, June 2016
    Pages: 197-201
    Received: Jul. 19, 2016
    Accepted:
    Published: Jul. 20, 2016
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    Abstract: Based on the Nabi hydropower plant, the layout of the safety monitoring device for the roller compacted concrete (RCC) dam is introduced. The variations of some monitoring index during impoundment are analyzed and their evolution rules according to the variation of the water level are presented. The conclusions are made as follows: the osmotic pres... Show More
  • Construction for the Engineering Application-Oriented Talents Training System of Building Environment and Energy Engineering in Colleges

    Tian Xingwang, Yin Guojian, Zhang Dianguang, Dong Xiaowei, Gao Xing, Zhang Kun, Li Cong

    Issue: Volume 4, Issue 3, June 2016
    Pages: 202-206
    Received: Jul. 19, 2016
    Accepted:
    Published: Jul. 20, 2016
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    Abstract: Based on the new development requirements of application-oriented transformation for building environment and energy engineering in colleges, combined with the actual situation of Dalian Ocean University, the existing problems in the present talents cultivation mode were analyzed and summarized, and several feasible reform measures and methods were... Show More