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features of structure
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  结构特点
     The features of structure and the design of software for programmable logic controller (PLC) are introduced in detail.
     着重介绍了可编程控制器(PLC)的结构特点和软件设计。
短句来源
     By discussing the parameters and charactcristics of dynamics of the inertial vibration of dual particles steps and methods of designing the 1 200× 4 500 vibrational feed machine for hot mine have been given and measures of values taken and features of structure have been analyzed in detail.
     着重论述了运用双质点惯性振动的运动学参数和动力学特性,设计 1200× 4500热矿振动给料机的步骤和方法,并对取值措施和结构特点进行了较详细的分析。
短句来源
     The features of structure, principles of design, methods of usage, and prospects of application of a special purpose plotting package developed for plotting contours on flat bad plotter are elaborated by presenting some practical examples.
     本文通过具体实例,介绍了为平板式绘图仪设计、制作的等值线专用绘图程序包的结构特点、设计原理、使用方法及应用前景.
短句来源
     This article briefly introduces the basic characteristics and features of structure for the main driving motor, the ZL490/390 vertical hollow DC motor for the DQ-60D drilling apparatus driven on the top, which is the first of its kind made in domestic, passed the appraisal by China National Petroleum Corporation, On Dec.30,1997,and made our countries the fifth of few ones capable of producing the drilling apparatus driven on the top.
     本文简要介绍了国产首台购DQ-60D顶部驱动站并装置的主驱动电机ZL490/390立式空心轴直流电机的基本特性和结构特点,1997年12月30日顶部驱动钻井装置通过石油天然气总公司的鉴定,从而使我国成为世界上第五个能生产项部驱动钻井装置的少数国家。
短句来源
     The features of structure for the straddling monorail train are introduced.
     介绍了跨座式单轨列车的结构特点
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  结构特征
     This article intruduces the qualities of thermodynamics and the features of structure in liquid copper,and it discusses the existing form, solubility, activity coefficient in liquid copper and the influence of foreign elements to the solubitity of Oxygen and Hydrogen in liquid copper.
     介绍了液态铜的几种热力学性质和结构特征,讨论了氧、氢在液态锡中的存在形式、溶解度、活度系数及杂质元素对液态铜中氢氧溶解度的影响.
短句来源
     The results showed:①Features of structure of leaves of mangrove species were different with those of other plants significantly , which was mainly related to acclimatization. ;
     总结出海桑属红树植物叶片结构除海南海桑外其余5种叶片都为完全等面叶,没有内皮层结构,海绵组织特化为贮水组织,栅栏组织中散布着贮水细胞的共同特征,并根据叶片结构特征首次制定出6种海桑属植物种的分类检索表。
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     In this paper,the current status and newest achievements of comprehensive geophysical explorations and studies in the South China Sea and its surrounding areas are summed up and reviewed in the following three aspects:features of structure of the crust and upper mantle in the South China Sea and its vicinity;
     本文从三个方面总结和评述了中国南海及其邻近地区的综合地球物理探测研究的现状和最新成果:南海及其邻近地区的地壳上地幔结构特征;
短句来源
     In this paper,the growth features of TAP cyrstal have been studied by the methods of experimental observation. The features of structure of TAP crystal and their effects on growth defects in the TAP crystal are analysed. It is show that the growth morphology of the crystal depends on the crystal structure and the orientation of defects in growing crystal.
     本文采用实验观测的方法,观察了TAP晶体的生长外形特征,分析了TAP晶体内部结构特征与生长缺陷产生的原因,指出TAP晶体生长外形的特征是由晶体内部结构及生长缺陷所决定的。
短句来源
     The primary task of industrial design on NC machine tools is the analyzing of the relationship between the key features of structure and their moulding.
     数控机床的工业设计过程很大程度上是探讨结构特征与其造型的关系。
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  “features of structure”译为未确定词的双语例句
     New Features of Structure Description File in Fox Series Database
     Fox系列数据库结构描述文件的新特性
短句来源
     The features of structure and design of a-Si:H solar cell coater HLRB-TD6A are introduced in detail.
     详尽叙述了 HLRB-TD6A非晶硅太阳电池镀膜机的结构和        设计特点。
短句来源
     4. Using the liquid sloshing hydroelasticity theory, the mathematic model that describing the coupled interactions between liquid sloshing and elastic structures are established and a series of calculations is carried out to predict the features of structure response.
     4.应用液体晃荡水弹性力学理论,建立了液体晃荡与结构相互耦合作用的数值模型,其中结构水弹性力学方程的求解采用Adams-Bashforth预估校正法,通过编程计算分析了不同激励频率和不同结构刚度下液体晃荡引起的结构响应特性。
短句来源
     On Features of Structure and Pronunciation of Chinese Idioms
     成语的结构和语音特征
短句来源
     EXPERIMENTAL RESEARCH OF THE INFLUENCE OF THREAD ON THE FRACTURE MECHANICS FEATURES OF STRUCTURE MEMBER
     螺纹要素对构件断裂力学特性影响的实验研究
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  features of structure
Features of structure formation and changes in microhardness of pre-deformed copper 99.9% Cu resulted from the effect of current pulses of high density (~10 kA/mm2) and short durability (~102 μs) at the heating rate of 106-107 K/s have been studied.
      
Deformation does not affect most of the features of structure development, including DO22 ordering in the tin-rich phase.
      
The characteristic features of structure formation in cast and direct crystallized alloys of the system Si-TiSi2 were studied.
      
Some distinctive features of structure formation in materials based on sintered silicon nitride
      
Methods of fabrication, formation processes, and special features of structure of ceramic filters
      
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Plain carbon martensite plus errite dual-phase steels with six different carbon contents were studied after intercritical quenching. Properties of the two phases and their distribution were investigated and the effect of these factors on the strength of dual-phase steels was examined. Experimental results indicate that the relationship between the strength of such steels is not a straight line function. There exist the Phase-hardening of ferrite by martensite and the phase-softening of martensite by ferrite....

Plain carbon martensite plus errite dual-phase steels with six different carbon contents were studied after intercritical quenching. Properties of the two phases and their distribution were investigated and the effect of these factors on the strength of dual-phase steels was examined. Experimental results indicate that the relationship between the strength of such steels is not a straight line function. There exist the Phase-hardening of ferrite by martensite and the phase-softening of martensite by ferrite. This makes the microhardness of both phases to be linearly increased with increasing volume fraction of martensite and its carbon content. It was suggested that the eontributuin of martensite, as a strengthening phase, to the strength of the steel way be divided into two parts: the direct load-carrying effect and the strain-hardening of ferrite as an indirect e fect. It was pointed out that the law of mixtures commonly used for evaluating the strength of fiber reinforced composite materials can not be applied to dualphase steels because of the varied properties of the two phases and the specific features of structures.

本文在六种不同含碳量的普通碳钢上用亚温淬火获得铁素体加马氏体双相组织,研究了各相的性能和分布对双相钢拉伸强度的影响。试验结果表明:①碳素双相钢的强度与马氏体含量间并不呈简单线性关系;②存在着马氏体对铁素体的相硬化和铁素体对马氏体的相软化,使得两相的显微硬度都随马氏体的含量和马氏体的含碳量的增加而线性上升。文中提出,作为强化相的马氏体对强度的贡献可分为本身承载的直接作用和对铁素体加工硬化的间接作用。双相钢中两相的性能变化和组织形态都促成了混合律不能适用于双相钢。

In Sm-Co system, there are two kinds of important intermetallic compounds:SmCo_5 and Sm_2Co_17. SmCo_5, being CaCu_5 crystal structure, belongs to hexagonal system. Sm_2Co_17 is crystallized in two modifications, a low-temperature phase of the rhombohedral Th_2Zn_(17-)type structure, named as ;θ-phase; a high-temperature phase of the hexgonal Th_2Ni_(17-)type structure, named, as θ'.There is close relationship between θ,θ'and hexgonal type SmCo_5 in crystal structure. As soon as one third...

In Sm-Co system, there are two kinds of important intermetallic compounds:SmCo_5 and Sm_2Co_17. SmCo_5, being CaCu_5 crystal structure, belongs to hexagonal system. Sm_2Co_17 is crystallized in two modifications, a low-temperature phase of the rhombohedral Th_2Zn_(17-)type structure, named as ;θ-phase; a high-temperature phase of the hexgonal Th_2Ni_(17-)type structure, named, as θ'.There is close relationship between θ,θ'and hexgonal type SmCo_5 in crystal structure. As soon as one third of Sm atom is replaced by a couple of Co atoms in SmCo_5 and the replaced position is arranged as ABCABC....along the C axis the Th_2Zn_17 type of Sm_2Co_17 is formed. On the other hand if the replaced position is arranged as ABAB....along the C axis then Th_2Ni_(17-)type of Sm_2Co_17 is formed.According to the structural feature mentioned above it might be considered that two essential kinds of compound layers actually compose interphases SmCo_2(Φ),θ-Sm_2Co_17 andθ'-Sm_2Co_17 in Sm-Co system. One is SmCo_5 which is denoted as X. Another denoted as X' is Co_2Co_5 and derived from the X by replacing Sm with a couple of cobalt. It may be denoted as X_A', X_B' or X_C' respectively according to the replaced positions. The alternative of the replaced positions claims three different positions of Sm in hexagonal structure.By this method mentioned above the stoichiometric phases of SmCo_5, ;θ-Sm_2Co_17,and θ'-Sm_2Co_17 may be denoted as X, XXX_A'KXX_B'XXX_c' and XXX_A'XXX_B'. The pure Co which has the same structure of X may be denoted as X'.The Gibbs free energy expression of thermodynamic model in every phases of solution can be expressed according to the feature of crystal structure mentioned above.The Gibbs energy of φ phase, the composition of which ranges from pure Co(Co_2Co_5) to SmCo_5 can be denoted as following:G_(m~φ) is free energy of one mole of solutlon (Sm, Co_2)Co_5 is free energy of one mole of Co_2Co_5 is free energy of one mole of SmCo_5 I~φis the interaction parameter of one mole (Sm, Co_2)Co_5 solution y_x and y_x' are the mole fraction of either compound layer in φ phase, and Y_x+Y_x'=1.Because X' is formed by means of replacing one Sm atom X with a couple of Co atoms, according to the law of conservation of mass the following relations between X and the mole fraction of two compound layers y_x and y_x' should be obtained when the composition of solution is X (X' is supposed to be the mole atom fraction of Sm atom in the Solution of i phase in the following discussions).y_x=7X/(1+X) and y_x'=l—y_x (2)They demonstrate the relationship between chemical composition and structrual composition.The free energy of one mole atom can be demonstrated as:The Gibbs energy of θ and θ', the composition of which varies from SmCo_5 to Sm_2Co_17, may be demonstrated as following:i can be θandθ' in this equation. It is self-evident that as far as is concerned ,it shoul be when i is θ, it should be is concerned,it should be when i is θ, it should be when i is θ'. I~i is the interaction parameter of θ or θ'. This model is described by the system which is composed of two compound layers of XXX and XXX'.According to the feature of structure the relationship between chemical composition and structrual composition can be demonstrated as:The average Gibbs energy of one mole atom is:gy G_(Sm)~φ, G_(Co)~φ, G_(Sm)~θ and G_(Co)~θ of every phase. The calculation of phase equilibrium between φ and θ is carried out by the application of following equilibrium equations and experimental data:G_(Sm)~φ(X~φ,T)=G_(Sm)~θ(X~θT), G_(Co)~φ(X~φ,T)=G_(Co)~θ(X~θ,T)X~φ and X~θ in the equatiotis show the mole fraction of Sm in the solution when two phases are in equilibrium.By taking this parameter into equitions (3) and (6),and taking and as reference standard the curve of free energy can be drawn at different temperatures.By bringing this parameter into (7) and using numerical analysis method the equilibrium boundary can be calculated. Result shows that the model mentioned above is practical.

本文根据Co-Sm系中SmCo_5和Sm_2Co_(17)两个金属间化合物的结构特征,提出了两个相热力学模型,并利用此模型对以SmCo_5为基的固溶体和以θ-Sm_2Co_(17)为基的固溶体之间的相平衡进行了计算,初步表明此模型是基本可行的。

This paper describes a simple method for deriving transfer function of complicated systems base on analysing feature of structure diagramand it's internal interactions. Using the relationshep (multiply or addrules)between the structure diagram and the tranfer function discusedhere it can determine the easy methed and the formular of the structu-re diagram transfer function of a complicated system.

本文从剖析控制系统结构图的特点和内在联系出发,找出结构图与传递函数间的特殊规律(相乘关系、相加关系),建立了列写复杂系统结构图传递函数的简易方法和公式。

 
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