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the characteristics
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     Study on the Theory and the Numerical Simulation of the Characteristics of Polymer Gear Pump
     聚合物齿轮泵特性理论研究及数值模拟
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     Study on the Characteristics of Photosynthetic and It's Relationship with Yield of Soybean Varieties
     大豆品种光合特性及其与产量关系的研究
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     The Characteristics of Antiviral Protein from Mushrooms and the Gene Clone and Expression
     食用菌抗病毒蛋白的特性、基因克隆与表达
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     The Characteristics and Kinetics of SBBR Technology and Its Application in Wastewater Treatment
     SBBR技术特性和动力学机制及其在废水处理中的应用
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     Isolation Two Copper Binding Proteins Related with Plant Resistance to Pathogens from Algae, Its Properties and the Characteristics of Gene
     海藻中两种与植物抗病相关铜结合蛋白的分离、特性和基因特征
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  “the characteristics”译为未确定词的双语例句
     STUDY ON THE VERTICAL LOAD TRANSMISION THROUGH THE TRACK STRUCTURE AND THE CHARACTERISTICS OF SUBGRADE DYNAMIC STRSSES
     轨道结构垂向荷载传递与路基附加动应力特性的研究
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     The Research on the Characteristics of Ground Settlement and Deformation in Shanghai
     上海市地面沉降变形特征研究
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     A Preliminary Study on the Characteristics and Functions of MAGE-H1/Apr-1 and APMCF1 as Novel Human Genes
     人类新基因MAGE-H1/Apr-1与APMCF1结构与功能的的初步研究
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     The Study on Performance of Mobile IP Based on the Characteristics of Mobile Communication System
     基于移动通信系统特性的移动IP性能研究
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     Study on the Characteristics and Mechanisms about Plant Life Cycle Forms of Acanthopanax Senticosus
     刺五加生活史型特征及其形成机制的研究
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  相似匹配句对
     And the characteristics of the G.
     通过仿真和实验,也验证了G.
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     characteristics;
     三、发展的特点;
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     The characteristics of G.
     论文首先对语音编码的各种方案进行了比较,并对G.
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     What are its characteristics?
     有什么样的特点?
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  the characteristics
This paper describes the characteristics of the coefficient multipliers of mixed norm spaces Ap,q,α with 0>amp;lt;p≤1, 0>amp;lt;q,α>amp;lt;∞ into some analytic function spaces.
      
In corollaries, the characteristics of the coefficient multipliers of Gp (0>amp;lt;p>amp;lt;1) and Ap (0>amp;lt;p≤1) into some analytic function spaces are given.
      
The characteristics of the sample chip are in agreement with the theoretical predictions.
      
Then, an appropriate exciting current control system is presented considering the characteristics of HEPMSG.
      
Through analyzing the basic relationship of variables in a synchronous machine, the characteristics of an air-gap-resultant electromotive force and an inner power angle under a special inner power factor angle are obtained.
      
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This paper presents an investigation of the"Automatic Operator" of Diesel Loco-motive based on the principle of compound programming control. According to the sur-rounding conditions of locomotive, the"Automatic Operator"can change its structure automatically in order to obtain better quality of control.In this paper, the principle scheme, the characteristics of"Automatic Operator" and the experimental results of automatic control of Diesel locomotive with "Automatic Operator"are presented, the principle...

This paper presents an investigation of the"Automatic Operator" of Diesel Loco-motive based on the principle of compound programming control. According to the sur-rounding conditions of locomotive, the"Automatic Operator"can change its structure automatically in order to obtain better quality of control.In this paper, the principle scheme, the characteristics of"Automatic Operator" and the experimental results of automatic control of Diesel locomotive with "Automatic Operator"are presented, the principle and the design of logical circuit for changing the characteristics of"Automatic Operator"is emphasized. The latter part of the paper in-cludes a discussion of quality of control; and finally, formulas for determining the para-meters of the control system are derived.

文内介绍了采用复合控制原理和根据机车所处客观条件自动切换系统结构的内燃机车程序控制方案,介绍了按此方案制成的(自动司机)总体线路及其性能.介绍了利用这台控制机进行内燃机车自动驾驶的全面试验结果.文中着重讨论了自动切换系统结构的逻辑装置的设计计算.给出了综合这类系统参数的计算公式.此外,对系统的控制质量进行了详细讨论.

The object of the present work is to investigate the characteristics of piezo-electric resonantors which are cut from the natural coloured quartz, and compare the results with those obtained from those plates cut from the ordinary clear quartz in order to see if coloured quartz might be used as piezo-electric material in practice. In this work four points were stressed, they are: (1) the frequency constants of piezo-electric oscillation, (2) its stability, (3) its selectivity and activity and (4) its frequency-temperature...

The object of the present work is to investigate the characteristics of piezo-electric resonantors which are cut from the natural coloured quartz, and compare the results with those obtained from those plates cut from the ordinary clear quartz in order to see if coloured quartz might be used as piezo-electric material in practice. In this work four points were stressed, they are: (1) the frequency constants of piezo-electric oscillation, (2) its stability, (3) its selectivity and activity and (4) its frequency-temperature coefficient curves. Further more a comparison of the characteristics of oscillations before and after the heat-treatment of the material was made. By the results of these experiments it concludes that the natural coloured quartz plates can be excited into piezo-electric oscillation and serve as piezo-electric resonantors. The frequency constant of a Y-cut plate from coloured quartz is about 2% lower than that of same type cut plate from clear quartz, while the frequency constants of the X-cut plate and the AT-cut plate from the coloured and clear quartz are practically the same. The heat-treatment to the three types cut plates of both kinds of quartz has a definite influence on their frequency. This effect is more pronounced to the coloured quartz plates. Likewise, heat-treatment improves, from the point-view of statistics, the selectivity and activity of oscillation of both kinds of quartz. Finally, the values of some coefficients of stiffness of the coloured and clear quartz were discussed.

本文的目的在于研究天然有色水晶在当作压电共振器用时它的压电振荡性能,并与无色水晶在这方面的性能上作一比较,以推断有色水晶是否可以应用到实际的控制电路振荡的工作中去。我们的工作分四方面进行:(一)有色水晶压电振荡的频率常数,(二)有色水晶压电振荡的稳定性,(三)有色水晶压电振荡的选择性及活动性,(四)有色水晶压电振荡的频率——温度系数。并且把有色水晶在用热处理方法去色后的这四方面实验结果与去色前的作一比较。实验的结果证明有色水晶是可以被激发压电振荡的,和无色水晶一样可以作控制电路振荡之用。有色水晶的Y-截法的频率常数比无色水晶的约低2%。至于两种水晶的其余两种X-截法及AT-截法的频率常数基本上无差别。热处理能使两种水晶的三种截法的压电振荡频率有增高的倾向,这效应在有色水晶中更为显著。同样,热处理对于两种水晶三种截法的压电振荡的选择性及活动性,在统计数字上看来是有益处的。最后,就以上测量的结果,推算了并讨论了有色水晶和无色水晶的若干劲度系数异同之点。

Plasticizing agent is an organic surface-active admixture for cement mortar and concrete. It may be introduced also as an "addition" to the clinker during the grinding process in the manufacture of plasticizing Portland cement. In the USSR, the plasticizing agent under the name of "has been extensively and successfully used in construction works.The plasticizing agent is prepared by chemical treatment of the waste from the alcoholic fermentation of sulfite liquor in pulp manufacture. It contains calcium lignin...

Plasticizing agent is an organic surface-active admixture for cement mortar and concrete. It may be introduced also as an "addition" to the clinker during the grinding process in the manufacture of plasticizing Portland cement. In the USSR, the plasticizing agent under the name of "has been extensively and successfully used in construction works.The plasticizing agent is prepared by chemical treatment of the waste from the alcoholic fermentation of sulfite liquor in pulp manufacture. It contains calcium lignin sulphonate as an effective component and thus possesses hydrophilic property. Due to the adsorption of the agent, a colloidal layer is formed on the surface of the cement particle; hence the effective dispersion and the increase of lubricity between the particles.Following the Soviet experience of CCB, the Materials-Testing and Research Laboratory of Shanghai Civil Engineering Bureau successfully experimented with the preparation of thermal polymer of the plasticizing agent, and a series of tests on the characteristics of the agent were made. This paper attempts to describe the method of preparation and the main properties of the agent.The addition of the agent in an amount of 0.1—0.2% of cement (dry weight) markedly improves the workability and the texture of the mortar and concrete mixtures. It reduces the water requirement and the cement content. It improves the impermeability and durability of the hardened mortar and concrete.The agent has a retarding effect on the setting of cement. It lowers the early strength of mortar and concrete, while the strength of later age is higher than those without admixtures. The use of CaCl_2 accelerator in 0.5—1% of cement by weight speeds up the rate of development of the early strength.The proper dosage of the agent depends upon the properties of cement. Therefore, certain tests should be made with the specified cement and aggregates on the job before the adoption of the agent.

本文介紹亞硫酸鹽酒精液滓塑化劑實驗室中的試製以及對於水泥膠砂及混凝土技術性能方面的作用。首先說明一些塑化劑的理論及亞硫酸鹽酒精液滓的技術規格,再簡要的介紹上海市政工程局材料試驗研究所試驗研究的經過和結果;最后综合蘇聯對於塑化劑和塑化水泥使用的先進經驗。塑化剂是一種有機的表面活動性物質,利用造紙工業发液進行酒精發酵所得的液滓。加入微量的塑化劑——約為水泥重量的0.1—0.25%,可以顯著的改善膠砂和混凝土的性質。在增加流動性、改善和易性和提高耐久性方面,有十分的效用,尤其是對節約水泥用量有极大的意義。祖國的建设事業正迫切需要這類新型的建築材料,因此提供一些试驗研究結果,以供国家主管機關和科技工作同志們深入研究和推廣使用時的參考。

 
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