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some technical
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  若干技术
    Practice and some technical means for construction of countryside electrification counties in Guangxi
    广西农村电气化县建设若干技术方法与实践
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    Study on the Method of Getting and Dealing with Some Technical and Economic Indexes of Tractor
    拖拉机技术经济指标的获取与处理方法
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    Some Technical Problems of Tractor Relaibility Evaluation
    拖拉机可靠性评定中的若干技术问题
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    CONSIDERATION OF SOME TECHNICAL PROBLEMS IN CONSTRUCTION AND RENOVATION OF URBAN POWER NETWORK
    对当前城市电网建设和改造中若干技术热点问题的思考
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    Some Technical Proposals on Speeding up Rural Power Grid Construction and Retrofit
    关于加快农网建设与改造的若干技术意见
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    Some Technical Indexes for Grasping Correctly Water Saving Irrigation of Rice
    正确掌握水稻节水灌溉技术的有关指标
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  some technical
Some technical tips are described on how to improve the discrimination between perfect and imperfect duplexes formed by hybridization of fluorescently labeled oligonucleotides to biological microchips.
      
In addition, some methods employed in the field as well as some technical problems are discussed in the paper, together with the means of obviating them.
      
These apparatuses combine the merits of plug-flow tubular reactors and stirred continuous reactors and have some technical and technological advantages.
      
Some technical and technological aspects of development, design, and safe operation of an artificial tritium source with an antineutrino activity of 40 MCi for experiments to measure the neutrino magnetic momentum are considered.
      
Some technical details in the procedure for calculating the critical distance Rcr in the relativistic problem of two Coulomb centers are described.
      
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The paper describes briefly the some technical problems of trac- tor relaibility,such as,definition and classification of failure,test method to evaluate relaibility,performance parameters and evaluation method of relaibility. Some examination principles of relaibility goal(MTBF)for tractors and its com- ponents are discussed.

本文简要叙述了可靠性考核评定中的下列技术问题:故障定义及其分类判断规则、评定试验方法、评定指标体系和评定办法。阐述了如何确定拖拉机整机和部件的平均无故障时间目标值的基本原则。

The precision planter is a main trend in recent.The study on its key parts,seed-metering divice, has been greatly developed in recent years. In this paper, the atlthors analyse the technical characteristics of various seed-metering devices for precisionplanter and some technical means to realize high filling frequence, also introduce theoutline of test techniques used to study seed-metering device and give a general review ofthe theoretical study on the seed-metering divice of precision planter.

精密播种是中耕作物播种机发展的主要趋势,其关键部件──排种器的研究现已取得较大进展。本文全面分析了精播排种器的技术性能现状以及提高充种频率的技术措施,并综述分析了排种器试验研究技术及排种理论研究的进展和存在的问题。

The effect of different logging systems,such as the tractor skidding,cable yarding and chutting on forest soil,were analysed.The results showed that tractor skidding seriously affected the hardness,bulk density and macropore space of the soil and hindered growth of woods,the organic matter was reduced by 10 4%,and that cable yarding created ditches and the macropore space and organic matter of soil in the main ditch were reduced by 3 7% and...

The effect of different logging systems,such as the tractor skidding,cable yarding and chutting on forest soil,were analysed.The results showed that tractor skidding seriously affected the hardness,bulk density and macropore space of the soil and hindered growth of woods,the organic matter was reduced by 10 4%,and that cable yarding created ditches and the macropore space and organic matter of soil in the main ditch were reduced by 3 7% and 3 614%,and that in all kinds of chutting,the effect of plastic chutting on the soil was least and the effct of soil chutting was largest.In order to reduce the disturbance of logging systems on the soil,some technical measures were gived.

分析了常见集材方式(拖拉机、索道和滑道)对森林土壤理化性质的影响。结果表明:①拖拉机集材严重改变了土壤的硬度、容重和通透性,使伐区有机质含量下降10.4%;②索道集材的主沟内总孔隙度和有机质含量分别降低3.7%和3.614%,主沟外变化很小;③各类滑道对土壤的影响以塑料滑道最小,土滑道最大。为了减少集材作业对土壤的侵害,文章提出一些减少土壤侵害的技术措施。

 
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