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Search Results: 1 - 10 of 11316 matches for " CAI Dianxiong "
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Soil respiration and its responses to soil moisture and temperature under different tillage systems in dryland maize fields
旱作农田不同耕作土壤呼吸及其对水热因子的响应

ZHANG Dingchen,CAI Dianxiong,DAI Kuai,FENG Zonghui,ZHANG Xiaoming,WANG Xiaobin,
张丁辰
,蔡典雄,代快,冯宗会,张晓明,王小彬

生态学报 , 2013,
Abstract: 为研究旱作农田春玉米生育期不同耕作土壤呼吸变化特征及其对水热因子的响应情况,在山西省寿阳县旱农试验基地采用红外气体分析法测定了传统耕作(CT)、少耕(RT)和免耕(NT)土壤呼吸速率,并同步测定了各土层土壤水分、温度。研究表明:在春玉米生育期内,土壤呼吸速率均呈单峰型变化趋势,峰值出现在8月;传统耕作与少耕土壤呼吸速率变化趋势基本一致,而免耕土壤与前两者相比波动幅度较大;土壤呼吸峰值与水分、温度之间无明显相关,其余时期土壤呼吸与水分、温度因子具有良好的相关性;双因子模型较单因子模型能更好的描述土壤呼吸与水分、温度之间关系,基于水热双因子(10—20 cm)的指数-幂模型能够解释土壤呼吸变化的81%—87%(P<0.01);3种耕作土壤呼吸对水热因子协同影响的敏感性表现为CT>NT>RT。
Effects of municipal waste compost and its compound fertilizers on the turf quality of ryegrass
城市垃圾堆肥及其复合肥对黑麦草草坪质量的影响

FAN Hairong,HUA Luo,CAI Dianxiong,WANG Xuejiang,ZHU Fengyun,YIN Xunxiao,ZHANG Zhenxian,GAO Juan,HUA Liping,
范海荣
,华珞,蔡典雄,王学江,朱风云,尹逊霄,张振贤,高娟,滑丽萍

生态学报 , 2005,
Abstract: More than a hundred million tons of municipal waste are generated every year in China.Compost is an effective approach to municipal waste disposal.Waste compost conceives such characters as follows:(1) it contains organic matters;(2) it contains a lot of nutrition elements such as nitrogen,phosphorus,potassium and so on;(3)it contains various concentrations of trace elements and synthetic organic compounds;(4) it contains heavy metal elements.How to improve waste compost quality is a hotspot of research.The...
Effects of Irrigation Using Sea Ice Water with Different Salt Contents on Cotton Yield and Quality
不同盐分含量的海冰水灌溉对棉花产量和品质的影响

WU Xueping,ZHENG Yan,WANG Xiaobin,ZHAO Quansheng,HU Yujiao,CAI Dianxiong,ZHUANG Yan,ZHUANG Guoming,BAI Yang,ZUO Yubao,
武雪萍
,郑 妍,王小彬,赵全胜,胡育骄,蔡典雄,庄 严,张国明,白 洋,左余宝

资源科学 , 2010,
Abstract: Freshwater shortage is one of serious problems for agricultural productions over the coastal areas of the Bohai Bay. Sea ice water could be a new alternative to be utilized in agricultural irrigation in this region. In the present work, the authors carried out a field cotton irrigation experiment using sea ice water with different salt contents (1 g /L, 3g /L, 5g /L, 7g/L and 9g/L) in Zhongjie Farm located in Hebei province, with the objective to examine the effects of sea ice water on soil salt content, co...
Curriculum Design, Linguistic Competence and Self-Actualization: A Case Study on English Curriculum Design for Chinese Non-English Major Postgraduates  [PDF]
Shangzhi Cai
Creative Education (CE) , 2010, DOI: 10.4236/ce.2010.13028
Abstract: Studies conducted hitherto on English education for Chinese non-English major postgraduates have preponderantly focused on themes such as learning motivations, teaching or learning strategies, and various examinations. Yet little attention has been paid to the issue of curriculum design. In order to explore the correlations amongst curriculum design, linguistic competence and self-actualization, the author has carried out a survey on the English curriculum design for non-English major postgraduates in Yunnan Normal University by applying Maslow’s theory of self-actualization. The survey reveals that postgraduates’ reading abilities hold low correlation with self-actualization, thus priority should be given to improve their speaking proficiency as well as listening abilities. Besides, as a basic requirement for all postgraduates, academic writing receives the most attention since the quality of their graduate dissertation is considered as the ultimate indication of their self-actualization. Apart from providing concerning suggestions on the curriculum design according to the above findings, the author also holds that curriculum design is an autonomous, flexible and dynamic process. Hence, instead of sticking to the long-adopted uniform English curriculum for all non-English major postgraduates in China, more flexible curricula and requirements should be introduced in order to fulfill the self–actualization of postgraduates from different universities, different majors, and different regions.
The Existence and Multiplicity of Solutions for Singular Boundary Value Systems with p-Laplacian  [PDF]
Zengxia Cai
Journal of Applied Mathematics and Physics (JAMP) , 2015, DOI: 10.4236/jamp.2015.34052
Abstract:

This paper presents sufficient conditions for the existence of positive solutions for the fourth-order boundary value problem system with p-Laplacian operator. The existence of single or multiple positive solutions for the system is showed through the fixed point index theory in cones under some assumptions.

On the Relation of Grain Orientation and Opening Crack of an Al-Cu-Mg Sheet  [PDF]
Cai Hu
Engineering (ENG) , 2017, DOI: 10.4236/eng.2017.95031
Abstract: In this paper, the orientation of grains which adjacent to a developed opening crack was investigated by EBSD. A definition of θ has been came up with which represents the angle between the principal stress plane and each plane of the grains. Smaller θ means easier to crack. It gave a good explanation of the crack propagation throughout the grains. It also revealed that propagation path is along with the plane. This finding will give a prediction of tear properties and help us understanding the cracking mechanism and the behavior of tearing.
Traditional Chinese Herbal Medicine for Epilepsy Treatment Should Be Administered According to the Seizure Type and Epileptic Syndrome  [PDF]
Lun Cai
Health (Health) , 2017, DOI: 10.4236/health.2017.98087
Abstract: Traditional Chinese herbal medicine (TCHM) has long been used to treat epilepsy. Although many clinical trials and animal studies have seemingly demonstrated its effect, the question of whether TCHM is efficacious in epileptic patients has not been certified because of insufficient supportive evidence. This insufficient supportive evidence stems from the fact that most of the current studies regarding TCHM for epilepsy treatment are not designed according to the different seizure types and epileptic syndromes (STESs). Here, we explore the reasons why many studies have not considered the various STESs and explain how to treat epilepsy according to the pharmacological mechanism for different STESs and exploit the advantage of TCHM for epilepsy treatment. Then, we explain how we treat epilepsy using TCHM according to the different STESs and Bian Zheng Lun Zi.
Research on Internet Consumer Financial Products Usage Intention—Taking College Students as an Example  [PDF]
Yexin Cai
Journal of Financial Risk Management (JFRM) , 2017, DOI: 10.4236/jfrm.2017.64027
Abstract: With the rise of Internet consumer finance, it has greatly promoted the prosperity of the stage consumption market, and the college students group is a market with great development space and untapped market. In this research background, this article combines the technology acceptance model and the rational acceptance model, and introduces consumer innovation and perceived risk to explore the influence of consumers on the willingness of e-commerce Internet consumer financial products. The study found that perceived usefulness and willingness to use had a significant positive correlation, and that perceived risk and willingness to use had a significant negative correlation. Perceived ease of use and subjective norms have a significant positive effect on perceived usefulness; Consumer innovation and perceived ease of use have significant positive impact, and consumers’ innovation and perceived risk have significant negative impact. The conclusions of this study enrich the study of willingness to use, and put forward relevant marketing strategies for enterprises to promote and occupy market share.
Effects of Short-Term International Capital Flows on China’s Real Estate Prices  [PDF]
Xiaoxiong Cai
Modern Economy (ME) , 2018, DOI: 10.4236/me.2018.91002
Abstract: Nowadays, the real estate prices in China have shown a continuous upward trend. Prices in the first-tier cities such as the north and the Guangzhou-Shenzhen are getting higher and higher, and ordinary people are becoming increasingly unaffordable. High housing prices have not only put pressure on people’s lives but also have had many adverse effects on China’s economic development. Many scholars at home and abroad think that the continuous rise of house prices is closely related to the flow of international short-term capital. International short-term capital when entering the Chinese market, because of its speculative easy to create a bubble, bringing huge risks. Through theoretical and empirical research, this paper analyzes whether the international short-term capital flows have an impact on house prices. Finally, it concludes that the inflow of international short-term funds to the real estate market in China has a positive impact on the real estate market in China, and to a certain extent, has promoted the real estate prices. The entry and exit of hot money have a great volatility effect on the real estate market, which has a great impact on the long-term, healthy and stable development of China’s real estate market.
The Evolution of Distribution of Technology Transfer in China: Evidence from Patent Licensing  [PDF]
Yuqing Cai
American Journal of Industrial and Business Management (AJIBM) , 2018, DOI: 10.4236/ajibm.2018.85084
Abstract: This study explores the temporal and spatial distribution of technology transfer in China by analyzing the licensing activities from the perspective of supplier and demander of the technology transfer chain, using the data obtained from the State Intellectual Property Office of China (SIPO). We find that the overall number of licensed technologies has increased dramatically during 10 years and different types of technology show diverse trends. And the technology age is declining year by year, among which the age of invention patents is the oldest. As licensors, individuals and firms provide the vast majority of outward technologies and most of their technologies are utility models. However, only firms take the vast majority as licensee. And most inward technologies come from foreign organizations before 2008, while domestic sources provide the majority of inward technologies after 2008. We also provide suggestions for policy-makers and firms.
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