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Search Results: 1 - 10 of 231495 matches for " Han-Ping D. Shieh "
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Density Functional Based Tight Binding (DFTB) Study on the Thermal Evolution of Amorphous Carbon  [PDF]
Chung-Kiak Poh, Han-Ping D. Shieh
Graphene (Graphene) , 2016, DOI: 10.4236/graphene.2016.52006
Abstract: Density functional based tight binding (DFTB) model is employed to study the sp3-to-sp2 transformation of diamond-like carbon at elevated temperatures. The understanding could lead to the direct-growth of graphene on a wide variety of substrates.
Specificity of auricular acupoints in reflecting changes of qi and blood measured by diffuse reflectance spectroscopy
Han-ping Liu
Zhong Xi Yi Jie He Xue Bao , 2012,
Abstract: OBJECTIVE: This study aimed to assess the specificity of auricular acupoints in responding to changes of qi and blood which, in traditional Chinese medicine, are considered as the fundamental substances in the human body for sustaining normal vital activity.METHODS: A miniature fiber optic system was used to invasively measure the diffuse reflectance spectra of three auricular acupoints, namely, Uterus (TF2), Gan (CO12) and Neifenmi (CO18), at different stages of menstruation, when the female body exhibits regular changes of qi and blood. The spectra of different acupoints were compared to find their difference in responding changes of qi and blood, especially the reflectivity of absorption peaks of hemoglobin.RESULTS: The reflectivity of the same auricular acupoint during menstruation is higher than that before and after menstruation, and this trend is more obvious for the Uterus point compared with the points Gan and Neifenmi. The average reflectivity of the Uterus point during menstruation was significantly higher than that before or after menstruation (P<0.01). The D-values during and after menstruation of the Uterus point were greater than those of the points Gan and Neifenmi at 544.06 and 577.47 nm, respectively (P<0.05).CONCLUSION: The diffuse reflectance light of auricular acupoints changes as qi and blood fluctuates, and there is relative specificity among different auricular acupoints in reflecting changes of qi and blood. The Uterus point may be the most sensitive auricular acupoint in reflecting uterus function and subsequent changes of qi and blood.
Isolation and Characterization of Novel Microsatellite Markers for Yellow Perch (Perca flavescens)
Aibin Zhan,Yao Wang,Bonnie Brown,Han-Ping Wang
International Journal of Molecular Sciences , 2009, DOI: 10.3390/ijms10010018
Abstract: To perform whole genome scanning for complex trait analysis, we isolated and characterized a total of 21 novel genomic-SSRs and EST-SSRs for yellow perch (Perca flavescens), using the methods of construction of SSR-enrichment libraries and EST database mining of a related species P. fluviatilis. Of 16 genomic-SSR primer pairs examined, eight successfully amplified scorable products. The number of alleles at these informative loci varied from 3 - 14 with an average of 8.5 alleles per locus. When tested on wild perch from a population in Pennsylvania, observed and expected heterozygosities ranged from 0.07 - 0.81 and from 0.37 - 0.95, respectively. Of 2,226 EST sequences examined, only 110 (4.93%) contained microsatellites and for those, 13 markers were tested, 12 of which exhibited polymorphism. Compared with genomic-SSRs, EST-SSRs exhibited a lower level of genetic variability with the number of alleles of averaging only 2.6 alleles per locus. Cross-species utility indicated that three of the genomic-SSRs and eight of the EST-SSRs successfully cross-amplified in a related species, the walleye (Sander vitreus).
Ecological effectiveness of constructed wetlands in treating oil refined wastewater

XIA Han-Ping,

生态学报 , 2003,
Abstract: Wastewater produced from the oil refinery of the Maoming Petro-Chemical Company, China Petro-Chemical Corporation contains high concentrations of organic and inorganic pollutants, therefore it cannot be discharged directly into river or sea unless being treated first. Four plant species, Vetiveria zizanioides, Phragmites australis, Typha latifolia, and Lepironia articutala were planted in large containers as constructed vertical flow wetland to test their efficiencies in the purification of oil refined wastewater and their growth in wetlands soaked with oil refined wastewater. The results gotten from a 2-month treatment indicated that the purifying rates of constructed wetlands for oil refined wastewater were all very high at the beginning, which removed 97.7% of ammonia N, 78.2% of COD, 91.4% of BOD, and 95.3% of oil in the first batch of highly-concentrated wastewater (HCW), and 97.1% of ammonia N, 71.5% of COD, 73.7% of BOD, and 89.8% of oil in the first batch of low-concentrated wastewater (LCW). But the performance of wetlands was decreased and became basically stable as time passed. The efficiency of wetlands in removing the pollutants was always in order of ammonia N > oil > BOD > COD, but the net removal of plants to them was ranked as COD > BOD > oil and ammonia N. In the beginning, the purifying function of plants was quite weak, but it gradually increased with the acceleration of plants growth. However, there was almost no significant difference in the removal efficiencies among the four species. The four tested species produced better growth in wetlands with HCW or LCW than with clean water, but V. zizanioides, P. australis, T. latifolia produced fewer tillers in HCW than those in LCW, while this was contrary to L. articutala. This inferred that HCW might damage the first three species, and promote the growth of L. articutala. During the period of clean water cultivation, the new tiller producing rate of V. zizanioides was the lowest among the four species, but it gradually rose during the period of treatment water soak, while the tiller-producing rates of the other three species were distinctly lowered. It was therefore suggested that V. zizanioides might have a stronger adaptation to the harsh environment than other species tested in the experiment, especially in the situation of long time of adaptation to the environment. However, the above results remains to be further verified due to the limited observation time of only two months.
Xian-Hua Wang,Han-Ping Chen,Xue-Jun Ding,Hai-Ping Yang
BioResources , 2009,
Abstract: Pine sawdust pyrolysis was carried out respectively using microwave and conventional electrical heating at different temperatures in order to understand the properties of pyrolytic products from microwave pyrolysis of biomass. Less char material was obtained by microwave pyrolysis compared to conventional heating at the same temperature. While comparing the components of the pyrolytic gases, it was revealed that the microwave pyrolysis gas usually had higher H2 and CO contents and lower CH4 and CO2 contents than those obtained by conventional pyrolysis at the same temperature. The texture analysis results of the microwave pyrolysis chars showed that the chars would melt and the pores would shrink at high temperatures, and hence, the specific surface areas of the chars decreased with increasing temperature. Similarly, the reactivity of the char was remarkably reduced when the microwave pyrolysis temperature exceeded 600°C.
Coordinating supply chain of Stackelberg game model based on evolutionary game with GA-RL

ZHAO Han-ping~,

系统工程理论与实践 , 2010,
Abstract: Problems of coordinating supply chain are based on Stackelberg game model,but if research object is complex supply chain,it is difficult to find equilibrium of Stackelberg game,so evolutionary game theory was introduced.According to characteristics of leaders and followers in Stackelberg game model,learning mechanism is designed for each player respectively.An algorithm of reinforcement learning combined with genetic searching is proposed for leaders(manufacturers),and a learning model of best-reply is desi...
Network Traffic Anomaly Detection Method Based on a Feature of Catastrophe Theory

YANG Yue,HU Han-Ping,XIONG Wei,CHEN Jiang-Hang,

中国物理快报 , 2010,
Abstract: For the existing problems of current network traffic anomaly detection, the behavior of the network traffic anomaly will show nonlinearity, non-stationarity and complexity according to the network traffic often driven by the control of multiple factors. Owing to the characteristic that the internal evolution equation will lead to dynamical structure catastrophe, the phase space reconstruction method and the statistical physics method can be used to compute the macro feature values of the network traffic. By choosing some of the feature values which can obviously reflect the unusual change in the network traffic volume as control variables, a network traffic anomaly detection method based on the catastrophe series theory model is developed. Many experimental results show that the proposed network traffic anomaly detection method has a low false alarm rate under the same condition of detection rate.
Application of File Exchange in Office Automation

WANG Xiao-yan,HUO Han-ping,

计算机应用研究 , 2004,
Abstract: A new method realizing file exchange in office automation based on TCP/IP protocol is put forward.Making full use of normal database,such functions as sending,filing and receiving documents are performed.Video,wave and many multimedia files can be stored and transferred also.This method has many characters,for example high ratio of performance and cost,high safety and easy integration.
Secure mobile payment

LI Xi,HU Han-ping,

计算机应用研究 , 2008,
Abstract: The paper presented an efficient mobile payment protocol in wireless insecure environments using mobile devices.The protocol optimized the payment processes for the limited computational ability of mobile devices.Basing transferring the payment information in one session neither merchant nor bank need set additional sessions for identity authentication respectively.Moreover,the protocol used the off-line-update key mechanism to enhance the security of mobile payment.Also encrypting sensitive payment data by one-session-one-key preserved payers' privacy.At last the protocol took effective measures of fund allocation to protect the benefits both of merchants and payers.
Limits of Sustainable Material Flow in Environmental-Economic Systems and Characteristics of Material Flow within Circular Economy Systems

LI Xiao-bing,LI Han-ping,

资源科学 , 2008,
Abstract: 目前物质流分析的理论研究明显滞后于实证方法.本文借助物质流分析原理和循环经济理论,建立了环境经济系统及循环经济系统的物质流分析模型,并利用模型中各段物质流之间的质量平衡关系,讨论了满足环境经济系统界面可持续约束条件下经济系统内部物质流动必须遵循的若干基本规律.通过对模型的解析研究,在物质运动规律分析的基础上论证得到以下结论:①满足环境经济系统界面可持续约束条件是实现经济系统物质流动可持续的基础;②为实现经济系统物质流的可持续,必须通过减少经济系统对环境系统稀缺性资源的消耗速率并同时降低经济系统对环境系统的废弃物排放速率有可能实现;③以往过分依赖于经济系统末端的残余物处理达到改善特定区域范围某一环境要素的局部环境质量的做法,只会加剧或导致经济系统的稀缺性资源输入及废弃物输出这两种物质流的不可持续;④实现环境经济系统之间可持续的物质流动,既取决于生产过程也取决于消费过程,二者缺一不可;⑤循环经济核心原则至少应增加Raise原则(即提高生产过程的物质累积在其整个物质产品结构中的比例.以及增加消费过程总物质输入在消费过程中的物质累积比例).
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