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| 1 | The Impact of Farmland Transfers on Agricultural Investment in China:A Perspective of Transaction Cost Economics显示文摘There is growing concern that farmland transfers lead to less agricultural investment, which may adversely affect agricultural productivity growth in China.Prior research has primarily focused on the differences between owned cultivated land and rented plots,but little is known about how farmland transfers between relatives,which are popular in rural China,specifically affect agricultural investment.In this paper,we present a conceptual framework of transaction cost economics to compare different contracting strategies in China's farmland rental markets.As farmland rental markets in China are immature,land transfer between relatives establishes bilateral governance,which has the advantage of addressing the opportunistic activities of both parties and can ultimately increase investment by tenants.Based on data from two waves of household surveys,we empirically examine the impact of bilateral governance on the application of organic fertilizer,an indicator for agricultural investment.Our findings show that apart from economic factors, kinship is important to the functioning of farmland rental markets in rural areas. | Liangliang Gao Dingqiang Sun Cuiping Ma | 2019 | China & World Economy2019，27，1： | 6 |
| 2 | Design of double-layer anti-sputtering targets for plume effects experimental system显示文摘在一个真空房间使用的一个电的推进器的劈啪作响背的效果在推进器,真空房间和试验性的设备上有不利效果。一个劈啪作响反的目标(著名计算机生产厂商) 能由减少劈啪作响背的免职效果扩大真空房间的操作生活。在国际设备使用的真空房间成功地合并了著名计算机生产厂商。改进著名计算机生产厂商表演,一个双层结构著名计算机生产厂商基于羽毛效果,试验性的系统(足) 被设计。结构 AST 主要结束当第二等的结束作为一个快门被设计解决象服务生活,劈啪作响的材料的背流动率,经济和系统安全那样的因素时,作为一座公寓被设计。验证双层著名计算机生产厂商的效果, AST 有或没有的劈啪作响的效果第二等结束被一个 DSMC 照片算法评估。另外,赤裸的房间的试验性的确认和目标被执行。结果显示第二等的结束石墨表能减少背流动收益约 50% 。双层著名计算机生产厂商的设计能为一个劈啪作响反的目标的设计作为一本参考书被介绍。 | SHANG ShengFei CAI GuoBiao ZHU DingQiang HE BiJiao | 2016 | Science China(Technological Sciences)2016，59，8： | 4 |
| 3 | Special Configuration of a very Large Schmitt Telescope for Extensive Astronomical Spectroscopic Observation 显示文摘 | Wang Shouguan Su Dingqiang Chu Yaoquan | 1996 | Applied Optics1996，35，25： | 1 |
| 4 | The application of computer simulation in the heat-treatment process of a large-scale bearing miler 显示文摘 | Pan Jiansheng Li Yongjun Li Dingqiang | 2002 | Journal of Materials Processing Technology2002，122，23： | 1 |
| 5 | Special configuration of a very large schmidt telescope for extensive astronomical spectroscopic observation 显示文摘 | Wang Souguan Su Dingqiang Chu Yaoquan | 1996 | Applied Optics1996，35，25： | 1 |
| 6 | Air enthalpydifference method measuring refrigerating (heating)capacity and error analysis for air conditioner 显示文摘 | Li Minyi Liu Dingqiang Liang Xianyou | 2002 | Practical Measurement Technology2002，，3： | 1 |
| 7 | Effects of rainfall intensity and slope gradient on erosion characteristics of the red soil slope 显示文摘 | Zhao Qinghe Li Dingqiang Zhuo Muning | 2015 | Stochastic En- vironmental Research and Risk Assessment2015，29，2： | 1 |
| 8 | The application of computer simulation in the heat-treatment process of a large-scale bearing roller显示文摘 | Pan Jianjun Li Yongjun Li Dingqiang | 2002 | Journal of Materials Processing Technology2002，122，23： | 1 |
| 9 | Quality characterization and impact assessment of highway runoff in urban and rural area of Guangzhou, China显示文摘 | Huayang Gan Muning Zhuo Dingqiang Li Yongzhang Zhou | 2008 | Environmental Monitoring and Assessment (-)2008，，1： | 1 |
| 10 | The grain boundary character distribution of a fully-orthorhombic Ti–25Al–24Nb(at.%) alloy显示文摘 | Dingqiang Li S.I. Wright C.J. Boehlert | 2004 | Scripta Materialia2004，，6： | 1 |
| 11 | Flow hydraulic characteristic effect on sediment and solute transport on slope erosion 显示文摘 | Guo Tailong Wang Quanjun Li Dingqiang | 2013 | Catena2013，，107： | 1 |
| 12 | The Application of Computer Simulation in the Heat Treatment Process of a Large Scale Bearing Roller显示文摘 | Pan Jiansheng Li Yongjun Li Dingqiang | 2002 | Journal of Matererials Pro cessing Technology2002，122，： | 1 |
| 13 | Efficacy of Prostant on chronic prostatitis in 119 patients显示文摘AIM:To evaluate the efficacy and safety of Prostant in the treatment of chronic prostatitis. METHODS:One hundred and nineteen cases of patients who had been diagnosed of chronic prostatitis were treated by Prostant. The efficacy was evaluated by WBC in EPS and NIH Chronic Prostatitis Symptom Index after a one-month followup. RESULTS: After the one-month follow-up, the total improvement rate is 65.5%, the WBC in the prostatic fluid were reduced from (21±20) to (12±13)/High-power field (HPF); the symptom index score changed from 12±4 to 7±5. The pain and voiding score of the symptom index were lowered from 8±3 to 5±3 and 3.9±2.7 to 2.3±2.3 respectively. All of above showed great statistic differences (P<0.05). Only 2 cases (1.7%) reported serious diarrhea. CONCLUSION:The Prostant is effective and safe in the treatment of chronic prostatitis, especially on those cases whose symptom and inflammation in prostatic fluid are not too serious. | XUGang ZHANGYuan-Fang DINGQiang | 2003 | Acta Pharmacologica Sinica2003，24，6： | 1 |
| 14 | Quality characterization and impact assessment of highway runoff in urban and rural area of Guangzhou,China显示文摘 | GAN Huayang ZHUO Muning LI Dingqiang | 2008 | Environmental Monitoring and Assessment2008，140，： | 1 |
| 15 | Inspection interval optimization for aircraft composite structures with dent and delamination damage显示文摘The optimization of inspection intervals for composite structures has been proposed,but only one damage type,dent damage,has been addressed so far.The present study focuses on the two main damage types of dent and delamination,and a model for optimizing the inspection interval of composite structures is proposed to minimize the total maintenance cost on the premise that the probability of structure failure will not exceed the acceptable level.In order to analyze the damage characteristics and the residual strength of the composite structure,the frequency,energy,size,and depth of the damage are studied,and the situation of missing detection during the inspection is considered.The structural residual strength and total maintenance cost are quantified corresponding to different inspection intervals.The proposed optimization method relieves the constraints in previous simulation methods,and is more consistent with the actual situation.Finally,the outer wing of aircraft is taken as an example,and with the historical cases and experimental data,the optimization method is verified.The optimal inspection interval is shorter than the actually implemented inspection interval,and the corresponding maintenance cost is reduced by 23.3%.The result shows the feasibility and effectiveness of the proposed optimization method. | CAI Jing DAI Dingqiang | 2021 | Journal of Systems Engineering and Electronics2021，32，1： | 1 |
| 16 | Biocatalytic properties of a novel crude glycyrrhizin hydrolase from the liver of the domestic duck显示文摘 | LU Dingqiang LI Hui DAI Yan | 2006 | J Mol Catal B: Enzym2006，43，： | 1 |
| 17 | Experiment system of thin-mirror active optics 显示文摘 | Su Dingqiang Jiang Shengtao Zou Weiyao | 1994 | SPIE1994，2199，： | 1 |
| 18 | Flow Hydraulic Characteristic Effect on Sediment and Solute Transport on Slope Erosion显示文摘 | Guo Tailong Wang Quanjiu Li Dingqiang | 2013 | Catena2013，107，： | 1 |
| 19 | Organophosphorus flame retardants and plasticizers: sources, occurrence, toxicity and human exposure 显示文摘 | WEI Gaoling LI Dingqiang ZHUO Muning | 2015 | Environmental Pollution2015，196，： | 1 |
| 20 | Special configuration of a very large Schmidt telescope for extensive astronomical spectroscopic observation 显示文摘 | Wang Shouguan Su Dingqiang Chu Yaoquan | 1996 | Applied Optics1996，35，25： | 1 |
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