This paper described the factors which cause the neutral point potential rise and effect on the zero sequence active power flow in the neutral point un - directly grounded distribution systems both in normal operation and in single phase - to - ground fault operation conditions.
文章从理论上阐述了引起中性点不直接接地的配电系统在正常运行中以及线路出现单相接地故障后中性点位移的各种影响因素,以及对各线路零序有功功率大小和方向的影响;着重论述了配电系统中零序有功功率单相接地故障选线原理及其可靠性,并给出了改善选线可靠性的实用措施。
Study on Stability of Neutral Potassium Permanganate Liquid;
中性高锰酸钾溶液稳定性研究
Experimental study on prevention of Parkinson disease by neutral amino acid;
中性氨基酸对帕金森病发生干预的实验研究
The bentonite modified in the form of high concentrated neutral suspension with fluoride sodium, which is used as microparticle retention aid in papermaking industry, is compared with the conventional bentonite slurry modified by sodium carbonate and initiatively studied with laboratory scale.
采用中性盐氟化钠对膨润土进行液体改性,并与常规的碳酸钠改性膨润土做对比。
On the empirical studies of monetary policies neutrality and asymmetry;
货币政策中性与非对称性的实证研究
This paper introduces the neutrality of technology and analyzes the impossibility of neutrality of technology through three aspects.
本文在简介了有代表性的技术中性论的观点之后 ,从三个方面分析了现代社会中技术中性的不可能性 ,同时指出了技术的负面作用与社会及人性的相关性。
The research of tax neutrality will be helpful t.
税收中性理论体系一直以来是税收经济学的重要理论体系,税收经济学的最终目标是建立中性税制,税收中性理论随着中性税制的不断实践一步步得以深化,从开始的绝对中性理论发展为相对中性理论,从一味地否定税收调控到强调中性与调控的有机结合,从一味追求最优效应到结合实际地追求次优效应,税收中性理论正逐渐走向完善。
Based on the analysis of Hicksian neuter assumption on technology progress,this paper puts forwards neuter s popularity and computes the rate of contribution to the economic growth since China adopted the reform and open-door policy.
本文在分析经济增长的技术进步因素的希克斯中性假定的基础上 ,利用势分析方法提出了中性假定的一般性 ,并计算了我国改革开放以来技术进步对经济增长贡献率。
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