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Journal of Systematics and Evolution 2009年第6期47卷 525-534页

作者： ~1Jing WANG ~1Ya TANG~* ~1Zheng-Hua XIE ~2.ian-Yue ZHANG 1(Laboratory for Biodiversity and Environmental Studies,department of Environmental Sciences,sichuan University,{2. 610065,China) 2.Administrative Division of Mamize provincial Nature Reserve,Leibo,sichuan 616550,China) (Laboratory for Biodiversity and Environmental Studies Department of Environmental Sciences Sichuan University Chengdu 610065 China) (Administrative Division of Mamize provincial Nature Reserve Leibo Sichuan 616550 China)

This paper reports the first population ecology study of the endangered Magnolia sargentiana Rehder & Wilson(Magnoliaceae).Magnolia sargentiana is a protected species in China,but little is known about its present status in the *** 2.07 and 2.08,we surveyed the population and conservation status of *** in the provincial Mamize Nature Reserve and the National Meigu Dafengding Nature Reserve,sichuan Province, southwestern *** regeneration is poor because of unfavorable environmental conditions and anthropogenic *** buds and bark *** are used in traditional Chinese medicine and their collection by local people over the period 1983-1994 has led to marked population *** collection of flower buds and bark is now banned,but hewing branches for firewood and grazing continues to have a negative impact on the recovery of *** *** protect the species,we require a ban on hewing branches,closure of primary forests to reduce the impact of humans and ungulates,better education of local people,and increased awareness of wildlife conservation.

关键词： Magnolia sargentiana medicinal plant plant conservation vulnerable species

Study on ground temperature change and characteristic response of engineering geology of permafrost along Qinghai-Tibet Railway

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Science China(Technological Sciences) 2003年第Z1期46卷 78-90页

作者： PAN Weidong, WANG Quancai, YU Shaoshui & ZHANG Xiaoyan department of Mechanics, School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China Institute of Mountain Hazards and Environment, Chinese Academy of Sciences and Ministry of Water Resources, chengdu 610041, China State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environment and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China {2., chengdu 610041, China Lanzhou Univ Dept Mech Sch Phys Sci & Technol Lanzhou 730000 Peoples R China Chinese Acad Sci Inst Mt Hazards & Environm Chengdu 610041 Peoples R China Minist Water Resources Chengdu 610041 Peoples R China Chinese Acad Sci State Key Lab Frozen Soil Engn Cold & Arid Reg Environm & Engn Res Inst Lanzhou 730000 Peoples R China sichuan Prov Commun Dept Chengdu 610041 Peoples R China

Along with the global warming in the recent scores of years, comparatively big changes have taken place in the weather and other environmental conditions of the permafrost area in the Qinghai-Tibet Plateau, and very big changes have also occurred in the engineering geological conditions of the permafrost area. Based on a large volume of field survey data, this paper discusses the regularities of horizontal and vertical distribution of permafrost, with its focus of analysis on the temperature change characteristics of the soil in different frozen-soil zones, as well as presents simulation analysis and research for the engineering geologic characteristic response changes that would occur in the future when the temperature of the frozen soil in different zones rises by 1 and 2.6℃ respectively, which will have a tremendous impact on the stability of constructional work.

关键词： Qinghai-Tibet Railway, permafrost, ground temperature, engineering geological characteristic.

Diffusion Equation on Fractals:Three-Dimensional Case

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communications in Nonlinear Science and Numerical Simulation 1999年第3期4卷 3-5页

作者： Qiuhua ZENG and Houqiang LI(department of Physics, sichuan University, {2. 610064, China) department of Physics Sichuan University ChengDu 610064 China

IntroductionInrecentyearsthephenomenonofunusualtrajnsport-prop***onindisorderedmediaorfractalmedia,anomalousdiffusionistheoretic... 详细信息

IntroductionInrecentyearsthephenomenonofunusualtrajnsport-prop***onindisorderedmediaorfractalmedia,anomalousdiffusionistheoretic...

关键词： comb model probability density diffusion on fractals

Anomalous Fractional Diffusion Equation forTransport Phenomena

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communications in Nonlinear Science and Numerical Simulation 1999年第2期4卷 99-104页

作者： Qiuhua ZENG Houqiang LI De LIU(department of Physics, sichuan University, {2. 610064, China) department of Physics Sichuan University ChengDu 610064 China

We derive the standard diffusion equation from the continuity equationand by discussing the defectiveness of earlier proposed equations, we get the generalizedfractional diffusion equation for anomalous diffusion.

关键词： fractal lattice probability density fractal anomalous diffusion

Theoretical study of the potential energy surface and the highly excited rovibra-tional spectroscopy of H_2. molecule

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Chinese Science Bulletin 2001年第8期46卷 650-652页

作者： XIE Junkai & YAN Guosendepartment of Chemistry, sichuan Normal University, {2. 610066, China department of Chemistry, sichuan University, {2. 610064, China department of Chemistry Sichuan Normal University Chengdu China department of Chemistry Sichuan University Chengdu China

This note reports the potential energy surface of H2. that has been refined by using SCF-CI approach and the high-resolution experimental data. The calculated splitting values of the local mode vibration states pair close to observed values. This vibration state calculation has shown that there are no obvious non-Born Oppenheimer effects occurring in the lower vibration states of the system.

关键词： potential energy surface local mode vibration state non- Born Oppenheimer effect.

Entropy Function for Multifractal Thermodynamics

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communications in Nonlinear Science and Numerical Simulation 1999年第1期4卷 83-86页

作者： Qiuhua ZENG (department of Physics, sichuan University, {2. 610064, China) Email: nonlinear@*** department of Physics Sichuan University Chengdu 610064 China

The theory on multifractal thermodynamics has been studied by the method of series expansion. The method is able to overcome the shortages of Kohmoto’s steepest desent method and the results have general meanings.

关键词： multifractal thermodynamics classical thermodynamics entropy function

Fractional Transport Equation on Random Fractals

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communications in Nonlinear Science and Numerical Simulation 1998年第4期3卷 267-270页

作者： Qiuhua ZENG Houqiang LI and Yaquan FANG (department of Physics, sichuan Union University, {2. 610064, China) department of Physics Sichuan Union University Chengdu 610064 China

According to the ways of *** and *** with the constitutive equation of diffusive particles in isotropic and homogeneous three dimensions and the Laplace transform we derive the multiscaling fractional transport equati... 详细信息

关键词： probability density comb model transport on fractals

Effects of topiramate and carbamazepine on thyroid hormone level in adults with epilepsy

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Neural Regeneration Research 2006年第8期1卷 706-709页

作者： Liang Yu, Yulan Huang, Hongbin Sun, Jie Liu, Fei Xu, Xiaoping Wang sichuan Academy of Medical Sciences department of Neurology, sichuan provincial People’s Hospital, chengdu 610072. sichuan Province, China sichuan Academy of Medical Sciences Department of Neurology Sichuan Provincial People's Hospital Chengdu 610072 Sichuan Province China

BACKGROUND: It has been demonstrated that traditional antiepileptics, such as phenytoin, carbamazepine (CBZ), phenobarbital, etc., can result in the decrease of thyroid hormone of epileptic patients. However, there is still no sufficient evidence for the studies about the effect of new-type antiepileptics, such as topiramate (TPM), on thyroid hormones. OBJECTIVE: To observe the effects of TPM and CBZ on the level of thyroid hormones in serum of adults with epilepsy. DESIGN: A comparative observation. SETTING: department of Neurology, sichuan {2. People's Hospital. PARTICIPANTS: Totally 100 outpatients or inpatients newly diagnosed to have epilepsy were selected from the department of Neurology, sichuan {2. People's Hospital from July 2.03 to August 2.05, including 60 males and 40 females, aged 18-70 years. All the patients were accorded with the standard for the classification of epilepsy set by International League Against Epilepsy (ILAE) in 1981; Had been Informed and agreed with the detection; Had no history of thyroid gland disease; Had not taken any drugs could affect the thyroid function. Meanwhile, 40 adult healthy examinees were selected from our hospital as the control group, including 2. males and 16 females, aged 18-65 years. METHODS: ① The 100 epileptic patients were randomly divided into TPM group (n =50) and CBZ group (n =50), and they were treated with TPM (Xian-Janssen Pharmaceutical, Ltd.; Batch number: 03AS032. Norm: 2. mg/tablet) and CBZ (Shanghai Sunve Pharmaceutical Co., Ltd.; Batch number: 0302.1, Norm: 100 mg/tablet) respectively. The initial dosage of TPM was 2. mg per day, increased by 2. mg every week, the objective dosage of 100-2.0 mg per day was maintained when the symptoms were satisfactorily controlled. The dosage of CBZ was 6-8 mg/kg per day. All the patients were administrated for 1 year. ② The serum levels of total thyroxine (TT4), free thyroxine (FT4), total triiodothyronine (TT3), free triiodothyronine (FT3) and thyr

关键词： CBZ Effects of topiramate and carbamazepine on thyroid hormone level in adults with epilepsy

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攀西地区资源综合开发状况分析及政策研究

软科学 2004年第2期18卷 48-51页

作者： Research Team(sichuan provincial Science & Technology Promoting Research Center,{2. 610041) 四川省科技促进发展研究中心四川成都610041

攀西地区是我国西部资源最富集地区之一,潜伏着巨大的潜在经济价值。本文以西部大开发为背景,从分析攀西资源开发状况入手,探索加快攀西区域经济发展的政策,为各级政府决策提供参考。

关键词：攀西地区资源开发综合开发西部大开发区域经济政府政策科技创新

Frequency/time hopping sequence sets with optimal partial Hamming correlation properties

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Science China(Information Sciences) 2012年第10期55卷 2207-2215页

作者： NIU XianHua 1,2.PENG DaiYuan 1 & ZHOU ZhengChun 3 1 The provincial Key Laboratory of Information Coding and Transmission,Institute of Mobile communications,Southwest Jiaotong University,{2. 610031,China 2.The School of Mathematics and Computer Engineering,Xihua University,{2. 610039,China 3 The College of Maths,Southwest Jiaotong University,{2. 610031,China The provincial Key Laboratory of Information Coding and Transmission Institute of Mobile Communications Southwest Jiaotong University Chengdu China The School of Mathematics and Computer Engineering Xihua University Chengdu China The College of Maths Southwest Jiaotong University Chengdu China

Frequency hopping/time hopping(FH/TH) sequences have found wide applications in various modern FH/TH spread spectrum communications,such as digital cellular mobile communication,short-range wireless communication,personal communication,and multi-user radar,sonar *** order to evaluate the goodness of FH/TH sequences design,the periodic Hamming correlation function is used as an important ***,the length of correlation window is shorter than the period of the chosen FH/TH sequence,so the study of the partial Hamming correlation of FH/TH sequence is particularly *** this paper,a new class of FH/TH sequence sets with good partial Hamming correlation properties is proposed and *** construction of new FH/TH sequence sets is based upon the generalized m-sequence and generalized Gordon-Mills-Welch sequence over a polynomial residue class *** is shown that new FH/TH sequence sets are optimal with respect to the partial Hamming correlation bound.

关键词： frequency hopping/time hopping(FH/TH) sequence partial Hamming correlation optimal FH/TH sequence set