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of structure
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  结构
     Plane Contact Type of Structure and Stability Mechanisim in Strata Over Working Site
     采场上覆岩层结构的面接触类型及稳定性力学机理
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     Studies of Structure and Properties for a-C:F:H Films Deposited by Micro-Wave ECRCVD
     微波ECRCVD制备a-C:F:H薄膜的结构与性能研究
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     Study on Reliability Generalized Characteristic and Applications of Structure in Undreground
     地下结构可靠性广义特征与应用研究
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     Design Theory on Wind-Resistance Reliability of Structure for Multi-Span Greenhouses
     连栋温室结构抗风可靠度设计理论研究
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     Alteration of Structure, Apoptosis, HSP70 and BDNFmRNA Expression of Medullary Cone in Compression Injury of Cauda Equina in Rats
     大鼠马尾神经受压后马尾与脊髓圆锥神经元的形态结构变化及脊髓圆锥神经元凋亡、HSP70、BDNFmRNA表达的改变
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  “of structure”译为未确定词的双语例句
     Study of Structure Refinement and Optimization of Mechanical Proprieties for Superalloy K4169
     K4169高温合金组织细化及性能优化研究
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     Study on Emulsion Polymerization Technology and Relations of Structure and Properties of Organosilicon/acrylate Based Composite Copolymers
     有机硅/丙烯酸酯复合共聚物乳液聚合技术及结构性能研究
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     Research of Structure Performance and Accessory Technology of Steel Frame-Concrete Tube Residential Building
     钢框架—混凝土筒住宅结构性能与配套技术研究
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     The Study of Structure Characteristics and Ecological Function of Urban Forest in Zunyi City
     遵义市城区城市森林结构与生态功能研究
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     ON PROBLEMS OF STRUCTURE ANALYSIS FOR CONCEALED METAMORPHIC ROCK SERIES
     全隐伏变质岩系构造分析的几个问题
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  相似匹配句对
     " ,the structure
     兼及了“V他+……”结构的特征。
     The structure of P.C.
     大跨度预应力混凝土斜拉桥(简称P.C.斜拉桥)结构不仅经济、美观,而且可以采用悬臂浇筑方法施工、使这一桥型得以迅速推广。
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     On ITS Structure
     论ITS的结构体系
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     The structure of C.
     剖析C.
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  of structure
We present the results in terms of structure-activity relationships, focusing on the lack of the methoxy group and the influence of the amide side chain.
      
The sensitivity is significant for reducing noise of structure.
      
This paper has demonstrated the feasibility and advantages of structure learning and representation.
      
Direct synthesis of diphenyl carbonate over heterogeneous catalyst: effects of structure of substituted perovskite carrier on th
      
A reasonable choice of structure of a model box is significant for a shaking table test to be successful in geotechnical engineering.
      
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In this paper a method of determining the degree of freedom of motion of framed structures is presented. All the framed structures, plane or space, rigid or hinged, may be analyzed with this method. The principles involved are based on the conception of freedom of motion of structures mentioned in U. S. S. R. literatures. An extension of that conception is made in this paper.From the known U. S. S. R. structural literatures available in China, it seems that the conception of freedom of motion...

In this paper a method of determining the degree of freedom of motion of framed structures is presented. All the framed structures, plane or space, rigid or hinged, may be analyzed with this method. The principles involved are based on the conception of freedom of motion of structures mentioned in U. S. S. R. literatures. An extension of that conception is made in this paper.From the known U. S. S. R. structural literatures available in China, it seems that the conception of freedom of motion is applied only to hinged structures, or to bar chains, of which the individual members have no redundants. Therefore it is the purpose of this paper to extend that conception to any structures, hinged or rigid.Two methods, which may be used parallelly, are treated and two illustrations are given, are in this paper.

本文述一檢定結構自由度之方法。所有桿條結構,不論立體平面,鉸接剛接,均可應用本法,所根據之原理,係由蘇聯建築力學中自由度之觀點出發,而加以擴充。文中述及二種方法,可以平行應用。不論平面結構,立體結構,鉸接結點,剛接結點,均巳涉及,並將結構內外部之自由度,視爲一事。文中準對二種方法,舉有二個例題,以為驗算之用。

The crystal structure of P4S3 has a. unit cell with a= 3.64, b= 10.56 and c = 9.62A,which contains eight molecules. The space group isThe Patterson function P(o,o,w)and the intensities of reflections 00l hinted that the spacs group is D2h16 and P4S3 molecules of Hassel-Pettersen type sit on the mirror planes of the structure. An approximate structure was then dotennined on basis of steric considerations and the Patterson functions P (u, 1/2, Wp), P (u,1/2, w8), P(1/2, v, 1/2-wp), P (1/2, v,1/2-w8), P(u,1/2,O)...

The crystal structure of P4S3 has a. unit cell with a= 3.64, b= 10.56 and c = 9.62A,which contains eight molecules. The space group isThe Patterson function P(o,o,w)and the intensities of reflections 00l hinted that the spacs group is D2h16 and P4S3 molecules of Hassel-Pettersen type sit on the mirror planes of the structure. An approximate structure was then dotennined on basis of steric considerations and the Patterson functions P (u, 1/2, Wp), P (u,1/2, w8), P(1/2, v, 1/2-wp), P (1/2, v,1/2-w8), P(u,1/2,O) and P(1/2, v,1/2), where wp and w8 are the intramolecular distances respectively of the two P atoms and the two S atoms related by a mirror plane of the molecule. The structure was confirmed by the Fourier projection p (x, y) and by calculation of structure factors for reflections 00l and hk0.In crystal, the P4S3 molecules are of Hassel-Pettersen type. The present work confirms this conclusion in a convincing fashion. The approximate values of bond lengths and bond angle are P-P = 2.25A, P-S = 2.06A, P-S-P = 103?

P_4S_3晶体的空间群为D_(4h)~(16)-P2_1/b2_1/n2_1/m,每个晶胞中含有8个P_4S_3分子,正交晶胞3个晶轴的长度各为 a=13.64埃 b=10.56埃 c=9.62埃按照衍射谱中的系统消光,晶体的空间群亦可能为C_v~9-Pbn2_1。 从Patterson函数P(0,0,w)与衍射谱00l的强度数据中,可以得出晶体的空间群为D_(2h)~(16)与Hassel和Pettersen式的P_4S_3分子坐在结构中对称面上的工作假定以及原子的z坐标等,从而根据P(u,1/2,w_p),P(u,1/2,w_s),P(1/2,v,1/2-w_p),P(1/2,v,1/2-w_s),P(u,1/2,o)和P(1/2,v,1/2),其中w_p与W_s各为每一分子中由对称面联系着的一对P原子与S原子间的距离,以及P和S原子的共价半径、van der Waals半径等得出了各原子的x,y坐标。引得的试用结构最后又经Fourier投影ρ(x,y)与结构因子的计算得到肯定与修正。 在P_4S_3晶体中,分子系Hassel-Pettersen式的P_4S_3分子。本工作很可信服地肯定了这一点。键长与...

P_4S_3晶体的空间群为D_(4h)~(16)-P2_1/b2_1/n2_1/m,每个晶胞中含有8个P_4S_3分子,正交晶胞3个晶轴的长度各为 a=13.64埃 b=10.56埃 c=9.62埃按照衍射谱中的系统消光,晶体的空间群亦可能为C_v~9-Pbn2_1。 从Patterson函数P(0,0,w)与衍射谱00l的强度数据中,可以得出晶体的空间群为D_(2h)~(16)与Hassel和Pettersen式的P_4S_3分子坐在结构中对称面上的工作假定以及原子的z坐标等,从而根据P(u,1/2,w_p),P(u,1/2,w_s),P(1/2,v,1/2-w_p),P(1/2,v,1/2-w_s),P(u,1/2,o)和P(1/2,v,1/2),其中w_p与W_s各为每一分子中由对称面联系着的一对P原子与S原子间的距离,以及P和S原子的共价半径、van der Waals半径等得出了各原子的x,y坐标。引得的试用结构最后又经Fourier投影ρ(x,y)与结构因子的计算得到肯定与修正。 在P_4S_3晶体中,分子系Hassel-Pettersen式的P_4S_3分子。本工作很可信服地肯定了这一点。键长与键角的近似值为P-P=2.25 A,P—S=2.06 A,P—S—P—103°。 本工作是作者在氮族元素硫化物结构化学方面进行的研究工作的一部分。

The investigation of the properties of loess constitutes a highly specialized branch of soil engineering. The design and construction of foundations and earthwork in this soil involve many uncertainties that have not been solved. Among all uncertainties the following are considered the most important items:(1) the changes of bearing capacities caused by variations in the strength of the cohesive bond due to changes in its moisture content, and(2) the methods of ascertaining the amount of its settlement under...

The investigation of the properties of loess constitutes a highly specialized branch of soil engineering. The design and construction of foundations and earthwork in this soil involve many uncertainties that have not been solved. Among all uncertainties the following are considered the most important items:(1) the changes of bearing capacities caused by variations in the strength of the cohesive bond due to changes in its moisture content, and(2) the methods of ascertaining the amount of its settlement under the combined action of foundation loads and of percolating water.In order to prevent foundations against settlement the "Provisional Code for the Design of Natural Foundations" gives a set of rules of precautions for designers to observe, which include the prevention of water from getting into the foundations, artificial strengthening of the soil and the designing of superstructures in such a way that they will adjust themselves to settlement. Before the adoption of any of such precautions could be decided, the accuracy in evaluating the amount of possible settlement of the soil is a problem of prime importance, which unfortunately cannot be satisfactorily obtained.This paper attempts to give some predominent characteristics of loess, the points of contradiction between the assumptions made in the old designing code and the results derived from actual work, a comparison of the salient features of the old code with the new code of ordinance of the U. S. S. R., 1955, and some suggestions regarding further developments of this branch of soil engineering. Several cases of actual construction work in loess in recent years are also cited which, owing to our incomplete knowledge of the soils, nature, have inevitably either caused unnecessary expenses to the works, or brought about results detrimental to the stability of structures.In this branch of soil engineering have, therefore, many difficulties yet to be contended with. It is hoped that this paper could be of some reference value to research engineers in this line and the knowledge of loess be further developed in view of the increasing pressure of necessity in our present construction work.

黄土工程特性的研究,是目前土壤力学一个重要部門。有关黄土区的地基与土工工作、我們經常根据“天然地基設計暫行規范”上条文来設計,但对於基土沉陷量的估計,往往不易准确,而造成工程上的困难与事故。这是現时没有得到解决的問題。本文闡述黄土的若干特性,旧規范条文上的缺点,苏联1955年批准的“建筑法規”内改善黄土部分条文的意义,以及目前国内研究与發展的方向。其中主要說明黄土由於荷載及含水量兩項的綜合影响对其沉陷性能上所發生的变化,以及估計这項变化较合理的方法,以期在研究工作上作进一步的認識。

 
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