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     Analysis on the Nutrient Composition of the Some Main Species of Herbages in the TiaHanshan Mountain Grassland
     太行山山地草原几种主要牧草的营养成分分析
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     Basic features of Web-based information system are introduced in this paper, and some main technologies(CGI, connection of Web with database, Java) are discussed too.
     文中分析了基于Web的信息系统的基本特征,总结了用来开发Web信息系统的几种主要技术:CGI、Web与数据库的连接、Java等。
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     After some main methods of weight coefficient of characteristics being talked about, a new absolute objective method is established based on the key characteristics selection in Rough Set theory and fuzzy classification in Fuzzy theory.
     研究了当前系统特征权重系数的几种主要方法,结合粗集理论中关键特征选择和模糊分类方法,提出一种基于特征重要性的完全客观权重系数的确定方法,排除了主观因素对系统相似度量的影响,保证了结果的客观性。
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     The Research of Water Ecology for Some Main Vegetation with Soil and Water Conservation Effect in Loess Hilly and Gully Region
     黄土丘陵沟壑区几种主要水土保持型植被水分生态特征研究
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     In this paper, some main schemes of multicarrier modulation based on wavelet/wavelet packet transform are presented, with an analysis of their performances and trends, comparing to other modulation schemes.
     本文介绍了当前几种主要的基于小波/小波包变换的多载波调制方案,分析了这些方案的性能特点及发展趋势,并与其他方案进行了比较。
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     Based on theoritical and experimental research for a number of years, author proposes a new technique for engineering design of reed valve. Some main structure parameters, such as the average Mach number M of valve clearance, the characteristic lift h_0, the stiffness coefficient K_2 and the thickness δ_2 of valve plate have been correctly determined.
     作者在多年从事簧片阀的理论与实验研究的基础上,提出了簧片阀工程设计新技术,以便正确确定阀隙平均马赫数M、阀片特征升程h_0、阀片刚性系数K_2和阀片厚度δ_2等主要结构参数。
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     The arctic researches the topic of civilian-run enterprise cultural construction, analyzes some main problems, including its content, means, steps and strategy.
     论文系统地研究了民营企业文化建设这一课题,沿着民营企业文化建设的主线分别探讨了民营企业文化建设的必要性、民营企业文化建设的内容、思路方法、步骤以及战略视野中的民营企业文化建设等主要问题。
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     Some main conditions effects on the extraction of the ginger essential oil by supercritical fluid carbon dioxide were studied, including material grind degree, temperature, pressure and time during extraction.
     以云南小黄姜冻干粉为试材,采用国产超临界流体萃取设备,围绕超临界流体萃取技术中物料颗粒度、萃取温度、时间和压力等主要工艺条件对姜精油提取率的影响进行了研究。
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     The author discusses some main design schemes in accordance with the system structure, the design headway and the transmission of ATP information so as to find a better solution.
     本文就其中的系统构成、设计行车间隔和ATP信息传输方式等主要的设计方案进行了探讨。
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     In the text, some key technologies areintroduced, such as the collection of data, virtual instrument, Labview and database. Functions of some main modules are elaborated also, for example, the collection of data, thedata processing and experiment in university .
     文中介绍系统所涉及的数据采集和虚拟仪器等关键技术以及所用labview开发平台与数据库管理技术,并详细说明了本系统所实现的数据采集与数据分析以及高校实验等主要模块的功能。
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     Studies on Some Main Points of Clinical Characteristics and Molecular Virology of Chronic HBV Infections with HBeAg-negative
     HBeAg阴性HBV感染的一些临床与分子病毒学问题
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     Studies on Shade Tolerance and Application of Some Main Plant Species Used in Beijing
     北京市主要园林植物耐荫性及其应用的研究
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     RELATIONSHIP BETWEEN CONTENT OF MICA AND KSUPPLYING POTENTIAL IN SOME MAIN SOILS OF CHINA
     我国主要土壤的云母含量与供钾潜力的关系
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     Some Main Questions and Its Progress in Dynamic Measurement and Test
     动态计量与测试的主要问题及其进展
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     Cluster Analysis of Some Main Pare-nts of Spring Soybean Sowing in Northeast China
     东北春大豆区的一些主要杂交亲本的聚类分析
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  some main
Some main properties of the radial vibration field are examined.
      
The paper presents some main progresses and achievements in Chinese information processing.
      
The paper surveys some main issues in the monetarist-Keynesian debate of the 1960s and 1970s and the outcome of the debate.
      
The paper is aimed at presenting some main ideas and results of the modern statistical theory of macroscopic open systems.
      
Variance estimates are derived in the regularly varying case, the efficiencies are compared numerically and also the estimators are shown to have bounded relative error in some main cases.
      
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On Sakamoto looms, the warp tension during shedding and beating-up varies in accordance with the changes of positions and diameters of the lease rods, etc. For the purpose of promoting the functions of lease rods during weaving, it is necessary to give a thorough study to their foundamental influence on the warp tension. Some main factors influencing on warp tension are studied with the aid of mathematical analysis. Although the value of the warp tension obtained by this calculation does not coincide exactly...

On Sakamoto looms, the warp tension during shedding and beating-up varies in accordance with the changes of positions and diameters of the lease rods, etc. For the purpose of promoting the functions of lease rods during weaving, it is necessary to give a thorough study to their foundamental influence on the warp tension. Some main factors influencing on warp tension are studied with the aid of mathematical analysis. Although the value of the warp tension obtained by this calculation does not coincide exactly with the actual, measurement owing to the fact that only partial factors are included, the correct relationship between lease rods and warp tension is indicated.

阪本织机上经纱在开口和打緯时,经纱张力因受到絞杆位置的改变,絞杆直径的粗细等因素的影响,有着各种不同的张力。为了能准确地掌握绞杆与经纱张力的客观规律,更好地发挥绞杆在织造工程中的作用。故我们必须对它进行充份的研究。本文是择要的用数学分析法来研究绞杆与经纱张力间的相互关系。因为它不是把所有的因素都考虑进去,故计算所得的经纱张力的绝对值可能与实际略有出入,但指示出二者张力大小的相对关系是完全准确的、合于实际情况的。故本文可作为同学于学习机织学时的课外补充读物外,更可作为织布工场工作人员作更深一步研究时之参考资料。

We assume that the processes forbidden by Zweig rule take place via the O par-ticle which is a neutral vector meson, SU(4) singlet and has no valence straton. Its mass, decay rates and production cross section in e+e- collision are predicted. Then with this model we have discussed some main decay modes of γ(9.5) and estimated γtotal width in terms of Drell-Yan mechanism.

假定Zweig规则禁戒的过程是通过交换O粒子进行的,O粒子是一种中性矢量粒子,SU(4)单态,并且无价层子。给出了O粒子的质量,各种衰变几率及其在e~+e~-碰撞中的产生截面。然后用这个模型讨论了新粒子γ(9.5)的主要衰变模式并借助Drell-Yan机制估计了γ的总宽度。

The large-scale motion of fluid on the Earth is always in "quasigeostrophic balance", i.e. the pressure gradient foree is balanced by Coriolis force. If there are some unbalanced disturbances in local region, then a so-called "geostrophie adaptation process" will occur, so that the motion will change rapidly to quasi-geostrophic state again. Besides, the atmospheric motion on the whole sphere usually has a tendency to return to axially symmetric circulation, and the energy of disturbances is almost fed to the...

The large-scale motion of fluid on the Earth is always in "quasigeostrophic balance", i.e. the pressure gradient foree is balanced by Coriolis force. If there are some unbalanced disturbances in local region, then a so-called "geostrophie adaptation process" will occur, so that the motion will change rapidly to quasi-geostrophic state again. Besides, the atmospheric motion on the whole sphere usually has a tendency to return to axially symmetric circulation, and the energy of disturbances is almost fed to the axially symmetric circulation as shown by long-time averaged value of energy transport. All these facts indicate that the atmospheric motion is adapted to purely zonal motion therefore we call this process "the rotational adaptation process". Eoth these two adaptation processes are of fundamental importance.In this paper some main results of our theoritical reseaoh are given, such as, the existence of these two processes is proved and some important characteristics of rotating fluid motion are explained.

在地球和行星上的流体大尺度运动中,压力梯度力与科氏力经常处于准平衡状态(“地转平衡”);当有局部地不平衡扰动时,将进行“地转适应过程”,迅速重新达到平衡状态.此外,全球规模的大气运动常常有恢复到轴对称环流的趋势;而且在长时间内进行平均,也是扰动能量转移到轴对称环流能量中去,即适应于地球(行星)的旋转状态,称之为“旋转适应过程”.这是两种基本的动力学过程.本文简介我们关于这方面的一些主要理论研究结果,证明这两种过程的存在性,并给出与此有关的许多重要的旋转流体运动的性质.

 
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