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热力学数据库
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  thermodynamic database
     Combined with the thermodynamic database for C H Al Ga In P As Sb system generated by the authors,the above mentioned information and technique play an important role in computer aided design of Ⅲ Ⅴ alloy semiconductor MOCVD epitaxy process,MBE and LPE processes. 
     结合编建的CHAlGaInPAsSb体系热力学数据库,对ⅢⅤ族合金半导体MOCVD、MBE和LPE工艺的计算机辅助设计具有重要作用。
短句来源
     During the use of Thermodynamic Database for Alumina Production 1.0 version, many problems were found in spite of its good performance.
     1.0版《氧化铝生产热力学数据库》在一年多的使用中表现出了强大的生命力,同时也暴露出了诸多问题。
短句来源
     Calculate Research for Rare Earth Compound Thermodynamic Database
     稀土化合物热力学数据库计算研究
     Development of thermodynamic database of metallurgical melt
     冶金熔体热力学数据库的开发
短句来源
     The Architecture of Metallurgical Thermodynamic Database Application System
     冶金热力学数据库应用系统的系统构成
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  thermodynamics database
     THE DEVELOPMENT AND APPLICATION OF THERMODYNAMICS DATABASE
     基于MATLAB热力学数据库及其应用系统的开发
短句来源
     Matlab Application in Raer Earth Compound Thermodynamics Database System
     Matlab在稀土化合物热力学数据库系统中的应用
     In summary, present work perfects the constructed solder alloys thermodynamics database of our group, and is the foundation of the work on extrapolating high-order systems, designing new solder alloy and simulation of interfacial reaction, as well as controlling the formation of the intermetallic and evaluation of the reliability, which will be very significant for the practically solder designing.
     以上计算结果丰富了本课题组已建成的焊料热力学数据库,为下一步完善多元体系焊料热力学数据库、设计无铅焊料以及进行界面反应过程模拟、控制中间相生长、评估焊点可靠性等工作打下了基础。
短句来源
     The RE Compound Thermodynamics Database in this thesis is the very important constitutes and foundation of data. So the system of this database becomes especially notable.
     正因为本论文所涉及的热力学数据库是整个稀土数据库的重要部分和数据基础,故此数据库的系统研究与开发显得格外注重。
短句来源
     Based on the thermodynamics database of Ti Al Nb ternary system, the phase proportions and phase compositions were calculated and the evolution of phase was investigated for the Ti 22Al 27Nb alloy by means of CALPHAD technique. The calculated results agree well with the available experimental data. For the Ti 22Al 27Nb alloy, the B2 transus( T B2 ) is 1050℃.
     在Ti Al Nb三元系热力学数据库基础上 ,运用相图计算技术预测了Ti2 AlNb基合金Ti 2 2Al 2 7Nb的相比例和相组成等平衡相结构信息 ,并揭示了该合金相结构的演化过程 ,与实验结果吻合较好。
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  “热力学数据库”译为未确定词的双语例句
     Under the basis of assessing Ni-Mo-Ta, Ni-Re-Ta, Ni-Al-Zr, Ni-Al-Ha systems by other members in our group, this work make a great contribution to the above-mentioned database, playing a sound foundat
     本研究在Ni一Mo一Ta、Ni一Re一Ta、Ni一Al一Mo、Ni一AI一Zr、Ni一Al一Ha等工作的基础上,进一步补充和完善了该热力学数据库,为以后镍基高温合金设计的高元化和动力学组织演变模拟打下了良好的基础。
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     It is necessary for FACT to ameliorate the calculation model and perfect the database in calculating oxide system which the interaction is strong.
     在用FACT软件计算组元间相互作用较强的氧化物体系相图时,尚需进一步改进计算模型,完善热力学数据库
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     The thermodynamic properties of ZrO2-CeO2-Ce2O3 system is very important to obtain the quantitative relation among oxygen pressure, temperature, composition, phase constituents and mechanical properties.
     根据计算的热力学参数,外推出多个ZrO_2-CeO_2-Y_2O_3系的高温等温截面相图,首次建立了该系的热力学数据库
短句来源
     Extra-large SiC single crystals are found in fine SiC (0.5 μm) infiltrated by Fe_5Si_3 . The phase equilibrium of Fe-Si-C system is quantitatively analysed at 1873 K using CHEMSAGE.
     Fe5Si3熔体渗入超细碳化硅(0 5μm)粉体预制件后,生成大的碳化硅晶粒和碳化硅单晶。 借助CHEMSAGE热力学数据库对1873K时Fe Si C体系的平衡相图进行了定量分析,研究了SiC在FexSiy熔体中的稳定性;
短句来源
     A series of binomial formulae of △G°-T dependence and their diagram for the formation of oxides of Pb、Sn、In、Ga and Ce were given on the basis of calculated results of data from《CData Bank of the Thermodynamic Properties for the Inorganic Substances》.
     以《无机物热力学数据库》为依据,给出了Pb、Sn、In、Ga、Ce 等化合物的△G°~T二项式和关系图。
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  thermodynamic database
An internally consistent thermodynamic database has been compiled for the Ag-Se (-II, 0, +IV)-S (-II, +VI)-Cl-O-H system on the basis of published experimental data.
      
By applying the internally consistent thermodynamic database and mineral activity-composition relationships that account for coupled site-substitution, we further employ biotite and apatite compositions as independent monitors of fluid composition.
      
The regular solution model fits the available data on anhydrous silicate liquids to within the accuracy of the thermodynamic database +/-550 cals).
      
Importance of considerations of mixing properties in establishing an internally consistent thermodynamic database: thermochemist
      
The resulting model and derivative endmember properties are internally consistent with an existing standard state thermodynamic database.
      
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Recentl man metallurgists heve been working with steel refining by using maganesium as deoxidizer and desflfurizer which also leads to better morphology of nonmetallic inclusions. That it might be very difficult to add maganesium in was the reason for the previous works to fail. The trouble is that the partial pressure of maganesium is very high at the melting temperatures and at the same time its solubility in the liquid steel is rather small. In this article, the effect of injecting Mg-powder on deoxidation...

Recentl man metallurgists heve been working with steel refining by using maganesium as deoxidizer and desflfurizer which also leads to better morphology of nonmetallic inclusions. That it might be very difficult to add maganesium in was the reason for the previous works to fail. The trouble is that the partial pressure of maganesium is very high at the melting temperatures and at the same time its solubility in the liquid steel is rather small. In this article, the effect of injecting Mg-powder on deoxidation and desulfurization by using Ar-gas as carrier based on thermcdynamic data stove in Aachen university and the effects of the pressure and flow of Ar-gas on the technology mentioned above have been calculated. The effective injecting technology was determined experimeutally and the appropriate controlling parameters were chosen.Maganesium can be successfully insected into the liquid steel at 0.1-0.3NL/min of Ar-gas flow under 1-3 atm. The oxygen content was decreased to 4ppm in the liquid steel to be refined. The sulfur content 10ppm. The graduation of oxides and sulfides was 0-grade. This sizes are less than 5μm. Mg-oxides and sulfides in the inclusions were increased with the increase of amount of injecting maganesium. However the total amount of inclusions were decreased and the shape appears as sphere. The inclusions remain unchanged shape during hot deformation. The anisotropic characteristic which usually exists in materials disappeared completely especially the notch - impact toughness at the transverse direction was increased by 2-3 times. The impact toughness at the different temperatures the transition temperatures and the inclusion shapes on the fractures for the materials to be refine 1 were also discussed.

由于镁对钢的脱氧、脱硫、净化钢水及转变夹杂物形态的良好作用,近年来许多冶金工作者致力于加镁精炼钢水的研究工作,但因在冶金温度下镁的蒸汽压很高,而其在钢水的溶解度又极小,加入困难,这方面的研究多归于失败。本文利用阿亨大学热力学数据库计算了以氩作为载气喷镁的脱氧、脱硫作用,以及压力和氩量对其影响,通过实验制定了行之有效的喷吹工艺,选择了合适的控制参数。 在1-3大压下,氩量为0.1-0.3N.L/m:n,可以向钢水成功地喷入镁。经过镁精炼的钢水,氧含量可降至4ppm,硫含量降至10ppm,氧化物及硫化物的评级均为0级,其尺寸均在5μm之下。随着喷镁量的增加(钢水重量的0.062至%0.56%),夹杂物中镁的氧化物及硫化物量增加,夹杂物总量减少且呈球形,此种夹杂物在热形变中不变形。因此在通常材料中所存在的各向异性完全消失,特别是缺口冲击韧性横向性能值提高了2~3倍。文章对材料在不同温度下的冲击韧性、过渡温度及断口夹杂物的形态进行了研究和论述。

The environment and architecture of Metallurgical Thermodynamic Database Application System (METHEDAS) which is implemented on the computer HITACH M-150 are described in this paper.This special database system consists of the following blocks:1. a database, having memorized all the thermodynamic data of 2211 kinsd of inorganic substances (including elements) and 399 binary alloy systems;2. a data management system, being able to provide users with four basic functions, namely Select, Update, Delete, Insert;3....

The environment and architecture of Metallurgical Thermodynamic Database Application System (METHEDAS) which is implemented on the computer HITACH M-150 are described in this paper.This special database system consists of the following blocks:1. a database, having memorized all the thermodynamic data of 2211 kinsd of inorganic substances (including elements) and 399 binary alloy systems;2. a data management system, being able to provide users with four basic functions, namely Select, Update, Delete, Insert;3. an application program library, having seven programs available forusers to calculate the thermodynamic qroperties of the chemical equilibrium systems;4. a monitor system, monitoring and coordinating the activities of METHEDAS,

本文从冶金热力学数据库应用系统如何在M—150计算机上实现的角度,介绍它的机器环境和系统构成。它由四部分构成: 1.数据库:存贮有399种二元系合金和2211种化合物(或元素)的热力学数据。 2.数据管理系统:主要完成对数据库中所有数据检索、修改、插入、删除等任务。 3.应用程序库:由七个复杂的计算程序组成,完成化学平衡体系的热力学性质的计算。 4.监控系统:协调整个系统,使之正常工作。

By comparison with general database management system, the Metallurgical Thermodynamic Database Application System (METHEDAS) is a special one , which defined functions of database system are much simplified. In order to keep the data independence from application program, the necessary local logical data structure can be self-defined in every individual application program.The data file of METHEDAS is organized on basis of the direct access file, provided for the file management system of Vos2 operating system,...

By comparison with general database management system, the Metallurgical Thermodynamic Database Application System (METHEDAS) is a special one , which defined functions of database system are much simplified. In order to keep the data independence from application program, the necessary local logical data structure can be self-defined in every individual application program.The data file of METHEDAS is organized on basis of the direct access file, provided for the file management system of Vos2 operating system, and is designed to be a secondary indexed sequential file.

冶金热力学数据库应用系统是专用数据库系统,它的数据库管理系统与通用数据库管理系统相比,简化了数据库定义功能。为了实现数据对应用程序的独立性,应用程序自行定义所需要的局部逻辑数据结构。它的数据文件是建立在Vos2操作系统的文件管理系统所提供的直接文件之上,自己编写的二级索引顺序文件。

 
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