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Research Summary of Dali State Buddhist Manuscripts J4    2011, 10 (3): 1-4.   Abstract （1584）      PDF （453KB）（2769）    Knowledge map    Save Twentieth century witnessed a mass discovery of Dali State Buddhist manuscripts in Qianxun Temple of Chongshengsi,Beitangtian of Fengyi, Three Pagodas of Chongshengsi, Fotu Temple of Xiaguan. After that, some scholars did some recording and sorting work, some other scholars as LI Lincan, ZHOU Yongxian, YANG Yanfu, LI Xiaoyou, YANG Mingtang, ZHANG Xilu, YANG Shiyu, HOU Chong made some monographic studies. A research summary of these predecessors' achievements offers a better understanding of the present research and a clearer guidance for future studies. Reference | Related Articles | Metrics Cited: Baidu(1)

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Quantitative Analysis of P-phenylenediamine in Natural Hair Dyes J4    2011, 10 (6): 1-3.   Abstract （1521）      PDF （227KB）（601）    Knowledge map    Save Objective：To detect the content of p-phenylenediamine in five representative kinds of natural black hair dyes in the market and evaluate the quality and safety with industry standards．Methods： p-phenylenediamine was determined by HPLC with a Eclipse XDB-Cl8 column (4.6mm×150mm，5 μm)．Mobile phase Was 5％acetonitrile-bufer solution of phosphoric acid at velocity 0．8 mL/min．UV detection wavelength was 280nm．Results：The linear range of p-pheny1enediamine was between 0．025 0 and 0．400 0 mg/mL(r=0．999 9)．The average recovery was 99．27％with RSD 1．49％ (n=6)．The content of p-phenylenediamine varied from 0．23％ to 1．87％ in five kinds of hair dyes．Conclusion：P-phenylenediamine was detected in five hair dyes，but none exceeded the limited standard．This method is accurate，sensitive and reproducible and may be applied to detect the content of  p-phenylenediamine in the natural hair dyes． Reference | Related Articles | Metrics Cited: Baidu(4)

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An Improved BNS Search Algorithm of Internet Forum LUO Gui-Lan, DUAN Fa-Mei, ZHANG Li-Na, ZHU Fan, LIU Chao-Ming J4    2011, 10 (4): 21-25.   Abstract （1372）      PDF （314KB）（663）    Knowledge map    Save An improved BNS search algorithm is proposed based on a variety of search algorithms and spider search algorithm of anstructured P2P networks in the paper．The algorithm is combined with breadth—first search algorithm and non—greedy search algorithm．By its performance analysis and application testing in the campus BBS of Dali University，the results show that BNS algorithm is superior to BFS and NGS algorithm in some performance as returns，relevancy and precision．In short，the efficiency of the network is improved with BNS algorithm． Reference | Related Articles | Metrics Cited: Baidu(3)

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Traditional Rites in Traditional Houses of Bai Nationality in Xizhou J4    2011, 10 (3): 5-9.   Abstract （1366）      PDF （627KB）（652）    Knowledge map    Save The traditional houses of Bai nationality in Xizhou, influenced by the process of Hanization, contain rich traditional rites.The main purpose of traditional rites is to identify the noble and humble status of different classes or individuals and to give them corresponding identifiers. "External traditional rites" and "internal traditional rites" are included in the traditional houses of Xizhou. The "external traditional rites" identifies the status of whole clan in a hierarchical society, demanding that the constituent elements of houses, such as portal door, screen -walls, bays, roofs, and so on, be consistent with the clan's political status. The "Internal traditional rites" extends the "external traditional rites" , expressing the themes of "enclosure," "uprightness," "centralization," and " positivity" in the traditional architecture of Xizhou. Reference | Related Articles | Metrics

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On the Maternal Culture of Bai Nationality J4    2011, 10 (3): 14-17.   Abstract （1345）      PDF （838KB）（1288）    Knowledge map    Save "Esteeming mother" is one of the most important characteristics of Bai's traditional culture. "Esteeming mother" is reflected in Bai's maternal appellation toward heaven, in the maternal thematic folk stories, in piety activities, and in vulvae worship. The maternal characteristics and inheritance mechanism of Bai culture carry important cross-culture enlightenment toward the ethical construction and gender equality in our harmonious society. Reference | Related Articles | Metrics Cited: Baidu(4)

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Periodic Solutions for a Class of Second Order Hamiltonian Systems with Damping Term J4    2011, 10 (4): 1-6.   Abstract （1331）      PDF （1926KB）（576）    Knowledge map    Save The purpose of this paper is to study the existence of periodic solutions of a class of second order Hamiltonian Systems ith damping term. Two new existence theorems are obtained by the minimax methods in critical point theory. Reference | Related Articles | Metrics

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Boletus speciosus Forst：A Research Review J4    2011, 10 (4): 59-60.   Abstract （1327）      PDF （230KB）（1052）    Knowledge map    Save The study of Boletus specios~，including its morphological characteristics，cultivation and bioactive products，was summarized in order to provide a basis for further development and utilization． Reference | Related Articles | Metrics

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A Case Study: Eco-anthropological Tnterpretation of Bai's Food Culture in Xinhua J4    2011, 10 (3): 18-20.   Abstract （1295）      PDF （885KB）（635）    Knowledge map    Save Food culture distinguishes nations and regions. This paper aims to understand human-nature relationship and humanculture-environment relationship by analyzing the food culture and environment in Xinhua, Heqing County from an ecoanthropological approach. Reference | Related Articles | Metrics

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Classroom Learning as the Major Route to Achieve Training 0bjective J4    2011, 10 (4): 85-87.   Abstract （1271）      PDF （260KB）（553）    Knowledge map    Save The paper points out the problems arising currently from the classroom learning in Dali University，and discusses，on the basis of practical teaching experiences，the methods of effective learning and ways of cultivating students capabilities and qualities so as to realize training objectives．Besides，the paper proposes some theoretical and practical suggestions． Reference | Related Articles | Metrics

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Cultural Anthropological Interpretation of Bai People's Nuptials around Dali Cibi Lake J4    2011, 10 (3): 6-13.   Abstract （1245）      PDF （718KB）（564）    Knowledge map    Save Marriage is the intercourse and reflection of different cultures. Bai people's nuptials around Cibi Lake reflect such anthropological connotations as social order, ethics, etiquette and custom, the change of social role, the education of social responsibility, and the sign of body language. Reference | Related Articles | Metrics

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On the Strategy of Establishing Sino-Indian Free Trade Area J4    2011, 10 (3): 21-25.   Abstract （1226）      PDF （968KB）（585）    Knowledge map    Save Under the tide of global integration, regional economic cooperation develops quickly and becomes an important strength to promote global integration. In the 21st century, the global competition is increasingly violent. In order to maintain a sustained and rapid development of economy and realize the rapid rise of China and Idea, establishing the Sino-Indian free trade area is the only way that the two countries must take. Basing on the experiences and lessons of regional economic cooperation and the reality of economic development of China and India, this thesis will put forward strategies from six aspects as building framework agreement of the Sino-Indian free trade area, the timetable, market access and so on to facilitate the establishment of the Sino-Indian free trade area. Reference | Related Articles | Metrics

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Determination and Treatment Methods of Cr(VI)in College Laboratory Waste Water J4    2011, 10 (4): 41-42.   Abstract （1209）      PDF （143KB）（543）    Knowledge map    Save Abstract]Chromium Cr(VI)is a kind of heavy metal which is harmful for the enviroment，therefore，the waste liquid containing Cr(VI)in the laboratory should be treated for recycling instead of being discharged directly．In this paper，we applied the indirect iodometric method to determine the concentration of Cr(vI)with chemical reduction using ferrous sulfate heptahydrate，and investigate the elfeet of acidity condition，reductant quantity and reaction time of this reducing agent．The results showed that the concentration of Cr(VI)after treatment with ferrous sulfate heptahydrate in a certain condition meet the discharge standard．Ferrous sulfate can be used as reducing agent in recycling of waste liquid contained Cr(VI)in the laboratory． Reference | Related Articles | Metrics

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Influence of Development Evaluation in Athletic Course on College Students'  Mental Health J4    2011, 10 (4): 65-66.   Abstract （1197）      PDF （155KB）（494）    Knowledge map    Save Objective：To explore the influence of evaluation rearm in athletic coarse on college students mental health．Methods：Classes attending athletic course were selected randomly as the experimental group and control group，and self-rating symptom scale一90 was used for test．Results：The detection rate of psychological problems in the experimental group was obviously lower than that of the control group．Conclusions：The development evaluation method used in the experimental group was beneficial to college students menta1 health． Reference | Related Articles | Metrics

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Survey of the Indoor Air Bacterial Contamination of a Kindergarten in Dali City J4    2011, 10 (6): 28-30.   Abstract （1146）      PDF （214KB）（364）    Knowledge map    Save Objectives：To investigate indoor air bacterial contamination of a kindergarten in Dali，and to explore the its relationship with the incidence of respiratou disease of young children．M ethods：Natural sedimentation method was applied to detect total bacterial count and hemolytic streptococcus of indoor air in 4 classrooms including the classroom of pre—school，lop class，middle class and bottom class in the kindergarten．Tracking survey of respiratory disease on children was conducted in 1 week after sampling and analyzed statistically．Results：The pass rate of total bacterial count was 50％ in air of all classrooms，henmlytic streptococcus was not detected．There is no significant difference in morbidity rates ofrespiratory tract infection among children with different gtades after slalistieal analysis(P>0．05)，and statistical analysis also showed that there is no significant difference between the morbidity rate of respiratory tract infeclion of children andtheIotaI1)acterial count ofindoorair(P>O．05)．Conclusion：Therewere still bacteria eontamination ofindoorairin part ofkindergartens in Dali City，management of air sanitation shonld be improved． Reference | Related Articles | Metrics

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Development and Prospects of M olecular-based Magnetic Materials J4    2011, 10 (4): 43-47.   Abstract （1141）      PDF （386KB）（1026）    Knowledge map    Save This paper described the related issues of molecular-based magnetic materials in recent years．The classification and function of molecular magnets were introduced．Focuses on the current molecular—based magnetic materials in some of the typical single-molecule magnets，the research history and development trends were reviewed．At the same time，the hot spots of molecular magnetic materials were introduced．The prospects of molecular-based magnetic materials were also looked forward． Reference | Related Articles | Metrics

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Solutions to Question 20 of Mathematics in 2010 College Entrance Examination (National Volume II)) for Science Students J4    2011, 10 (4): 96-100.   Abstract （1140）      PDF （280KB）（666）    Knowledge map    Save This paper mainly inquires into and analyzes va~ous solutions to question 20 of mathematics in 2010 College Entrance Examination(national volume II)for science students．By showing various solutions to this question，the paper elaborates how to solve such questions of probability statistics，and provides a useful reference to college entrance examination for students． Reference | Related Articles | Metrics

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Subjectivity Regression: Value Orientation of Student Assessment Reform in China TIAN Li J4    2013, 12 (2): 66-69.   Abstract （1126）      PDF （1328KB）（352）    Knowledge map    Save Student assessment is an important part in the educational evaluation. Lack of subjectivity of student is disadvantage in student assessment in our nation, which couldn't satisfy the genuine pursuit of promoting students' self-development. It is of important theoretical and practical significance to solve the subjectivity problem by explaining the subjectivity connotation, processing logic, as well as methods and effect of student assessment in the perspectives of value. Reference | Related Articles | Metrics

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Reading，W riting，Listening and Speaking Ability Training in M athematics Teaching J4    2011, 10 (4): 82-84.   Abstract （1108）      PDF （215KB）（522）    Knowledge map    Save The paper analyzes the importance of reading，writing，speaking and listening to modern people．Then，by analyzing four segments of G．Polya S solving mathematical problems，the paper discusses the training of reading，writing，speaking and listening abilities in mathematics teaching． Reference | Related Articles | Metrics

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The Evolution of the Meaning of "Wen"#br# Ma Jingyu Journal of Dali University    DOI: 10. 3969 / j. issn. 2096-2266. 2019. 07. 005

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Renew and Analysis of the 42nd W odd W omen s Gymnastics Championship J4    2011, 10 (4): 67-71.   Abstract （1081）      PDF （407KB）（565）    Knowledge map    Save To enable the Chinese Women’s Gymnastics Team to prepare for the 2012 Summer Olympics and achieve the strategic objectives，through comparative method and analytic induction，this paper，basing on literature and video，made a comparative study of the top eight in women s team semifinals，all-round finals and apparatus finals of the 42nd World Women s Gymnastics Championship respectively．The results showed that the Russian Women’s Team had outshone others；as for individual events，each team had its strong points．The competition will be fiercer for 201 2．Th e Chinese Women’s Team should strengthen psychological training，and develop their traditional advantages and focus on weak projects． Reference | Related Articles | Metrics

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Constraints and Countermeasures of Commercialized Track& Field Events in China J4    2011, 10 (4): 72-74.   Abstract （1081）      PDF （320KB）（636）    Knowledge map    Save The problems rising from the commercialized track and field events held in the past decades in China are studied and analyzed．Then，drawing on the advanced hosting experiences of track and field powers，the paper puts forward some suitable eountermeasures for the commercialized Chines track and field events． Reference | Related Articles | Metrics

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Influence of Traditional Health-keeping in Sports on College Physical& Health Education J4    2011, 10 (4): 61-64.   Abstract （1041）      PDF （335KB）（843）    Knowledge map    Save After literature researches，the paper studies the enhancement function of traditional health—keeping in sports on college physical and health education．It holds that traditional health—keeping in sports could promote students overall qualities through various forms of regulating body，mood and breath by combining health thought with sports exercise．Traditional health—keeping in sports could enrich college physical education，form students regular exercise habits，and help students understand the law of inner activities and its mechanism so as to reach the goal of“Three Dimensional Health”in body，mentality and society． Reference | Related Articles | Metrics

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MCN Efects of the Heavy Metal ions Pb and H on the Viciafaba Root Cell J4    2011, 10 (4): 51-53.   Abstract （1037）      PDF （338KB）（566）    Knowledge map    Save Micronucleus effects of the heavy metal ions Pb and Hg on Viciafaba root cells were investigated with different eoncentrations of lead acetate and mercuric chloride．The results showed that within certain range of concentrations, both Pb2+ and Hg2+ can induce high mieronucleus frequency (MCNF)of Vicia faba root cells with a dose dependent manner，however，MCNF was found not to increase in a linear pattern with high Pb2+ and Hg2+ concentration．So Vieia ba could be used as the material for fast detection of the genotoxicity of Pb2+ and Hg2+ in enviroment． Reference | Related Articles | Metrics

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Solution Structure and Promotion of the Linear Equations Based on Generalized Inverse Matrix KANG Dao-Kun, CHEN Jin J4    2011, 10 (4): 7-11.   Abstract （1030）      PDF （177KB）（1213）    Knowledge map    Save If the linear equations have solutions then．In this paper，solutions of the linear equations are expressed by generalized inverse matrix and generalized to the case of matrix equation． Reference | Related Articles | Metrics

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Comparison of Three Methods on Drug Dissolution Based on Parameters of Weibull Distribution GUO Jian-Wei, WU Jun-Zhu, WANG Cheng-Jun, GAO Peng-Fei, MIAO Ju-Lian, YANG Zhi-Yong J4    2011, 10 (8): 1-4.   Abstract （1017）      PDF （359KB）（1053）    Knowledge map    Save Objective: To investigate different results through three methods of solving drug dissolution based on Weibull's distribution parameter. Method: The data of drug dissolution based on Weibull's distribution were treated with statistic calculator, Microsoft Excel and SPSS software respectively. Result: T50, Td and m values were close in three methods, but ζ and t0 values were much different. Conclusion: Data from SPSS have shown highest accurate, EXCEL method was less accurate, statistic calculator was the most unreliable method. Reference | Related Articles | Metrics Cited: Baidu(6)

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Research and Development of the College Teachers Personal Homepage Based on W eb Text M ining LI Jun-Hua J4    2011, 10 (4): 26-29.   Abstract （1014）      PDF （288KB）（574）    Knowledge map    Save This paper elaborates the importance and necessity of building college teachers personal homepage，and then analyzes the urgency of building college teachers personal homepage OH the basis of web text mining. Finally，the paper expounds the design and implement of the system from such aspects of architecture，function module and key technologies． Reference | Related Articles | Metrics

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Description of a New Species of the Genus Clubiona from Cangshan Mountain of Yunnan Province(Araneae：Clubionidae) J4    2011, 10 (4): 48-50.   Abstract （992）      PDF （205KB）（626）    Knowledge map    Save The present paper deals with a new species of the genus Clubiona collected from the Cangshan Mountain in Yunnan Pr0vince，China．This new species was described and illustrated under the name of Clubiona bucera sp．nov．．All type specimens are deposfled in the School of Agriculture and Biological Sciences in Dali University．All measurements were given in millimeters． Reference | Related Articles | Metrics

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Graphic Applications on Fibonacci Numbers YANG Li-Min, YANG Zheng-Liang J4    2011, 10 (4): 12-16.   Abstract （984）      PDF （169KB）（642）    Knowledge map    Save On Fibonacci numbers，there exist some beautifu1 and value conclusions．Here many results are stated．In this paper we obtain the formula of all-factors of the special graph G by means of analyzing method of graphic components and Fibonacci number．By the relation between A(G)and hosoya index of the G without subgraph the relationship betweenandcould be moved to Hosova index for the special graph G．Finally．some special examples for Hosoya index are derived．graphic applications Oil Fibonacci numbers are pictured．For Hosoya index．Counting theory of S 。。factors has interesting．value and substantial advance in its field．Hosova index for Chemistry is presented mathematical value by graph theory． Reference | Related Articles | Metrics Cited: Baidu(2)

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Survey of Drug Characteristics and AIDS-related ：Knowledge in 339 Cases of M ale Addicts under Coercive Drug Rehabilitation J4    2011, 10 (6): 33-35.   Abstract （927）      PDF （289KB）（368）    Knowledge map    Save Objectives：To explore AIDS—related knowledge and drug eharacteristies among male addicts under coereive drug rehabilitation in Dali Labor Education Station．Methods：By cluster rand—Dill sampling，350 questionnaires of drug addicts in Dali Labor Education Station about demographic characteristics，behaviour and AIDS—related knowledge were analyzed． Results：The number of survey collected was 339．Among the addicts，the youngest was 1 6 years old，and the oldest was 60．the average age was33． 34±7．34． The edu cational backgrounds of the addicts under coercive drug rehabilitation mainly were elementary school (3 1．6％) and junior high school(51．O％ )．The average length of drug addiction was 8．94-4-6．42 year．with the shortest of 6 months and the longest of 43 years．56.3％ of addicts were simple oral dug，26．8％ of addicts were intravenous；drug with sharing syringes．Compared to TV programs．news—papers an(1 books and other resources，their HIV／AIDS—relates1 knowledge were largely obtained from the train course in Labor Edueati0n Station．76％ of adicts knew how to prevent from H1V／AIDS in ction．Conclusion：It is vital to take comprehensive measures t0 improve HIV／AIDS—related knowledge education in the drug addiction population in order to rednee HIV infection. Reference | Related Articles | Metrics

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Using the Monte Carlo Method to Solve the Bertrand Odd DUAN Ling-Yan, WANG Fan-Bin, YANG Jin- , WANG Peng-Cheng- , LIU Xu-Tao J4    2013, 12 (4): 9-11.   Abstract （926）      PDF （682KB）（1361）    Knowledge map    Save This paper is designed to solve the geometric probability problem of Bertrand paradox by using Monte Carlo method. Owing to the result differences which are caused by three different samples space, Monte Carlo method is used to simulate random sampling to verify the rationality of third method. And with the help of the computer, Matlab software programming and mathematical statistics in the statistical counting method are used to solve this problem. This solution is not only using the Monte Carlo law principle reasonably, but also important to understand and know more of the randomness of the geometric probability problem. Reference | Related Articles | Metrics

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Interpretation of When I was in Rosy Village by Ding Ling BAI Jia-Jia, ZHAO Fen J4    2011, 10 (1): 50-52.   Abstract （899）      PDF （1895KB）（1593）    Knowledge map    Save A series of novels, essays and prose written by Ding Ling before 1949 have always been hot topics of studying female literature in modern Chinese literature. When I was in Rosy Village is a kind of unique writing of existence experience. By revealing the references of different layers in linguistic description, it can be found that the invisible clue of the work is the morbid mental state of most people in deserted age according to the depiction of venereal disease. To interpret the narrative intention of Ding Ling by divinity writing and to see through the female world in the perspective of text gender are feasible analytical methods. Reference | Related Articles | Metrics

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Research into Criminal Legal System in Nanzhao Kingdom WANG Hong-Yi J4    2011, 10 (7): 5-8.   Abstract （896）         Knowledge map    Save Nanzhao was a country rose and developed in southwest China during Tang dynast. It showed its own regional and age features with the developing degree and national status at that time. And these features were mainly presented by criminal legal system functioned as a relatively effective social norm. The criminal legal system presented the features of feudalism, slavery and ethnic customs and was connected closely to the real social environment in Nanzhao Kingdom. The criminal legal system in Nanzhao is also a particular part of criminal law practiced in China, and can be used as a reference to those multi-national and disparate developed countries and regions on system arrangement. Related Articles | Metrics

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Status Quo and Countermeasures of Physical Education in Border Rural Middle Schools J4    2011, 10 (4): 79-81.   Abstract （894）      PDF （261KB）（539）    Knowledge map    Save The current situation of physical education in rural middle schools in the border areas are not satisfying．Old teaching mode has constrained the new curriculum reform and hindered the process of quality education．Therefore，the paper suggests new teaching mode be explored，software and hardware for physical education be constructed，physical education evaluation system be improved SO as to accelerate the quality of physical education in border rural middle schools and promote the comprehensive development of students overall qualities． Reference | Related Articles | Metrics

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Research on Folk Adage in Binchuan Dialect ZHOU Jin-Guo, ZHANG Hai-Juan J4    2012, 11 (8): 26-30.   Abstract （894）      PDF （980KB）（535）    Knowledge map    Save Based on the investigation of folk adage, Binchuan dialect can be divided into four parts according to the type of its structure, which are idioms, twisters, proverbs and doggerel. This paper analyzes the social and cultural features it reflects, including regional, social, national features as well as its visualization, philosophy, appraisal and so on. Reference | Related Articles | Metrics

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Scientific Studies on the Bronze Swords Unearthed in the Ancient Ailao Region in Yunnan Province Chao-Yun-Xia, LI Xiao-Cen, Wang-Li-Rui J4    2011, 10 (4): 30-34.   Abstract （875）      PDF （1472KB）（645）    Knowledge map    Save In order to study the production process of the bronzes in the ancient Ailao area，several samples of bronze swords from Warring States to the W estern Han Dynasty were selected，which were unearthed in the Baoshan，western Yunnan．The samples were analyzed by the metallographic microscope and SEM．The results showed that these swords were made of copper—tin alloy，and the production processes were classified in two types：cold working after casting and cold working after hot forging．Coated iron process was utilized in one sword produced by cold working after casting，the shape of this sword was much different from the others，which means that the production processes of the bronze swords varied widely and the swords belonged to different periods and different ethnic artisans． This paper was valuable for the study of metal technology in ancient Ailao area and the technical and cultural exchanges of ancient Ailao area with surrounding areas． Reference | Related Articles | Metrics

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Present Situation on Molecular Taxonomy and Artificial Cultivation of Morchella CAI Xiao-Ling, HE Wei, AN Fu-Quan, XU Long-Feng J4    2013, 12 (4): 44-47.   Abstract （867）      PDF （844KB）（1179）    Knowledge map    Save The research advance in Morchella, including molecular taxonomy and artificial cultivation is summarized in order to provide a basis for further development and utilization. Reference | Related Articles | Metrics

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The Promotion and Expansion of Public Library Service in Minority Nationality Areas WANG Yan-Ping J4    2011, 10 (10): 61-63.   Abstract （857）      PDF （985KB）（274）    Knowledge map    Save Establishing affiliated agency is an important way to promote and expand library services. Taking Honghe Prefectural Library for instance, the essay explores the service points affiliated with public library in minority nationality areas, which has great significance. Reference | Related Articles | Metrics

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Change Trend Analysis of the Temperature，Precipitation and Runof in Longchuanjiang River Basin in the Recent 50 Years J4    2011, 10 (4): 54-58.   Abstract （844）      PDF （338KB）（461）    Knowledge map    Save According to the measured data from some meteorological and hydrological stations，and basing on the methods of mean value，linear trend and cumulative statistics from the equal，the temperature，precipitation，interannual and annual runof variations of Longchuanjiang River Basin during the past 50 years from 1960 to 2009 were statistically analysed．And non—parametric Mann-Kend—al test was used in significance test to examine the change trend of climate and hydrological factors．The results showed that the mean annual temperatures in the study area had risen，especially since the 1980s；and the warming of the low temperatures had significantly influenced the mean annual temperatures．The results also showed that the mean annual precipitation in the area was rising obviously， especially significant in the 1 990s．The annual distribution of precipitation was regularly different according to seasons；and the annual distribution of runoff showed a weak decreasing．The study indicated that human activities were important factors in some meteorological and hydrological changes． Reference | Related Articles | Metrics

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Investigation on University Students' Cyber-Communication CA Run-Qin, HE Chang, CUN Xian-E J4    2013, 12 (4): 17-22.   Abstract （841）      PDF （1311KB）（627）    Knowledge map    Save The rapid development of computer technology and wide use of the internet have changed people's life, study and way of communication, especially the modern college students who have great enthusiasm for the virtual world. This project has investigated cyber-communication among university students with questionnaire. In this paper, students’motivation and social problems in cybercommunication are analyzed. And then how to behave well in cyber-communication for students and how to solve these social problems effectively are put forward. Reference | Related Articles | Metrics

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Effect of Annealing Treatment on Photoelectric Property of Bulk Heterojunction Organic Solar Cell MU Li-Ping, ZHENG Xiao-Hong J4    2013, 12 (4): 37-39.   Abstract （836）      PDF （940KB）（956）    Knowledge map    Save The organic solar cells with structure as ITO/PEDOT: PSS/P3HT + PCBM/LiF/Al are prepared to study the effect of annealing treatment on the property of battery. These devices are treated at 150 益for 60 min in an ambient atmosphere and the best power conversion efficiency（ηp）of 2.01％ is obtained at an open circuit voltage（Voc）of 0.57 V，a short circuit current density（Jsc）of 6.32 mA·cm-2，and a fill factor（FF）of 0.55. The device performance is significantly improved by thermal annealing. At last, the internal cause of annealing affecting the property of battery is discussed. Reference | Related Articles | Metrics