A Comparison of the Impact of 14 Years of Conventional... CNKI文献
The impact of 14 years of continuous conventional (CT) or no-till (NT) cultivation on surface soil structure and crop yields were examined on a loam soil at Grafton in N.S.W. During the earlier years...
Hwat Bing So Andrew Grabski... Collection of Extent Abstracts of 2004 CIGR Internation... 2004-11-01 国际会议
关键词： Conventional / tillage / no-till / bulk
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长期有机无机肥料配施对土壤微生物学特性及土壤肥力的影响 CNKI文献
【目的】研究长期有机无机肥料配施条件下土壤微生物学特性(土壤微生物量、土壤酶活性)与土壤质量的关系,阐明土壤微生物对土壤健康的生物指示功能。【方法】以国家褐潮土肥力与肥料效益监测基地的长期肥料试验为平台...
长期不同施肥条件下土壤微生物量及土壤酶活性的季节变化特... CNKI文献
研究长期不同施肥条件下褐潮土微生物量碳(SMBC)、微生物量氮(SMBN)和土壤酶活性随季节的变化特征。结果表明,长期施肥条件下土壤SMBC、SMBN含量及土壤酶活性均表现出一定的季节变化。SMBC、SMBN含量在各施肥处理中的...
该文以北京国家褐潮土土壤肥力与肥料效益长期监测基地的长期肥料定位试验为平台,研究了长期不同施肥制度对土壤的生物学特性及其土壤酶的影响。主要研究结果:长期撂荒土壤(15年)的有机质和全氮(TN)的含量、微生物量碳...
为阐明土壤微生物对土壤健康的生物指示功能,以国家褐潮土肥力与肥料效益监测基地的长期肥料试验为平台,应用BIOLOGECO微平板培养法与常规分析法研究了长期施肥15年后不同施肥制度对土壤微生物生物量、活性、群落代谢...
不同施肥制度土壤微生物量碳氮变化及细菌群落16S rDNA V3片... CNKI文献
应用化学分析和变性梯度凝胶电泳(DGGE)技术分离PCR扩增的16S rDNA的方法,研究了不同施肥制度对土壤微生物量碳、氮变化及微生物多样性的影响。结果表明,连续15a长期试验下,土壤微生物量碳(SMB-C)和微生物量氮(SMB-N)...
黄淮海区域是冬小麦-夏玉米轮作的典型地区,冬小麦在粮食生产和粮食安全中发挥了重要作用。然而,在实际生产中滥施氮肥和灌溉不合理的现象普遍存在。本试验针对这一状况,在渗漏池中研究了水氮耦合对黄淮海地区冬小麦产...
水氮耦合对小麦-玉米连作条件下小麦季氮素利用特性和产量的... CNKI文献
2009-2013年,利用大型渗漏池(2.5m x2.5m x2m)研究黄淮海地区小麦-玉米连作条件下冬小麦季灌溉和氮肥管理措施对氮素损失、氮素平衡和氮素利用效率的影响。本试验选用石麦15(SM15)和济麦19(JM19)两个小麦品种,牛粪(M)...
Few-example Logo Detection with Model Refinement CNKI文献
Logo detection is a laborious but strong practicality task that has a variety of technology applications.Since the fundamental of state-of-the-art detectors, large-scale annotated datasets, is cost-c...
Bing Liu Bing Li... Proceedings of 2019 International Conference on Advance... 2019-03-15 国际会议
关键词： Logo / detection / Few-example / Three-stage
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Aerosol optical characteristics and their vertical dis... CNKI文献
The climatological variation of aerosol properties and the planetary boundary(PBL) during 2013–2015 over the Yangtze River Delta(YRD) region were investigated by employing ground-based Microwave Pul...
On Coloring/Labelling Graphical Groups For Creating Ne... CNKI文献
Graphical passwords are possibly alternative for text-based passwords. The idea of "graphical structure plus number theory"(GSp NT) for creating new type of graphical passwords has been inv...
Bing Yao Hui Sun... Proceedings of 2017 IEEE 2nd Information Technology, Ne... 2017-12-15 国际会议
Exploring New Graphical Passwords By Graph Set-Colorin... CNKI文献
For the purpose of producing more complex graphical passwords by means of smaller graphs having fewer numbers of vertices and edges for easily be remembered and difficultly be break down, we prove:(1...
Hui SUN Xiaohui ZHANG... Proceedings of 2017 IEEE 3rd Information Technology and... 2017-10-03 国际会议
Applying Graph Set-Labellings Having Constraint Sets T... CNKI文献
Motivated from the idea of "graphical structure plus number theory", two new set-colorings subject to some constraint sets are defined: one is the strong set-coloring(F, F) with the edge se...
Bing Yao Hui Sun... Proceedings of 2017 IEEE 3rd Information Technology and... 2017-10-03 国际会议
关键词： Information / network / graphical / password
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Unraveling the Passivation Process of PbI_2 to Enhance... CNKI文献
There appears to be a controversy on whether remnant PbI_2 is beneficial to the performance of perovskite solar cells(PSCs). We have shown that PSCs with residual PbI_2 deposited by one-step antisolv...
Biao shi Pengyang Wang... 第六届新型太阳能电池材料科学与技术学术研讨会论文集 2019-05-25 中国会议
关键词： perovskite / solar / cell / PbI2
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Unraveling the Passivation Process of PbI_2 to Enhance... CNKI文献
There appears to be a controversy on whether remnant PbI_2 is beneficial to the performance of perovskite solar cells(PSCs). We have shown that PSCs with residual PbI_2 deposited by one-step antisolv...
Biao shi Pengyang Wang... 第六届新型太阳能电池材料科学与技术学术研讨会论文集 2019-05-25 中国会议
关键词： perovskite / solar / cell / PbI2
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Mycobacterial Dynamin-like Protein IniA Mediates Membr... CNKI文献
Mycobacterium tuberculosis infection remains a major threat to human health worldwide. Drug treatments against human tuberculosis(TB) induce the expression of several mycobacterial proteins, includin...
Manfu Wang Xiangyang Guo... 第十七次中国暨国际生物物理大会摘要集 2019-08-02 国际会议
关键词： Mycobacterial / Dynamin-like / Protein / IniA
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Velocity vector field construct for NURBS curve base o... CNKI文献
In order to transform the biaxial coordination control into the velocity control of single axis and eliminate the "radial reduction" phenomenon,a novel method of velocity field construction...
Preparation of Aspirin-β-cyclodextrin Inclusion Compl... CNKI文献
To study the process conditions for preparing aspirin β-cyclodextrin inclusion.Method:Choose the usage ration of aspirin with β-cyclodextrin and the time of reaction as the main factors,and use the...
Xiang qun XU Nian HONG... Selected, peer reviewed papers from the 2nd Internation... 2015-04-25 国际会议
关键词： aspirin / β-cyclodextrin / inclusion / process
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Simulation of Golf Realtime Tracking Based on Doppler ... CNKI文献
Golf has become an increasingly popular sport. Determination of motion parameters of golf ball can give quantitative suggestion for players. This paper introduces the principles of determination base...
Bing Li Bing Sun... Proceedings of 2015 International Conference on Mechani... 2015-03-21 国际会议
Evaluating the Complexity Degree of Electromagnetic En... CNKI文献
In this work,a novel feature extraction technique for evaluating the complexity degree of Electromagnetic Environment(EME)is proposed by utilizing the morphological pattern spectrum(MPS)based on the ...
Dong Jun Li Bing... Proceedings of 2016 8th IEEE International Conference o... 2016-06-04 国际会议
关键词： electromagnetic / environment / mathematical / morphology
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