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equivalent substitution
相关语句
  等效代换
     4) Developing an applied program for the profile parameters optimization and force analysis in two teeth difference cycloid gears gearing. The process of optimization for the profile parameters of equivalent substitution tooth and the analysis for forces acted on the teeth are concentrated.
     4) 研制了二齿差摆线针轮行星传动中摆线轮齿廓参数优化设计及受力分析应用软件,将摆线轮等效代换齿廓参数、优化结果以及受力分析的结果综合在一起,便于对摆线针轮行星传动的研究和应用。
短句来源
     Strength analysis on two teeth differenced cycloidal gear with equivalent substitution flank profile
     等效代换齿廓两齿差摆线齿轮的强度分析
短句来源
     Study on Equivalent Substitution Tooth Profile of Cycloidal Gears with Composite Tooth Form in High Speed Ratio Cycloidal Gearing
     针摆行星传动中复合齿形摆线轮等效代换齿廓的研究
短句来源
     The trial research and the force analysis on the pin-cycloid gear in two teeth difference are finished based on the equivalent substitution method .
     完成了对“等效代换”的二齿差摆线轮的实验研究和受力分析的工作。
短句来源
     3) Analyzing the force of the equivalent substitution tooth profile required, validating whether the equivalent substitution tooth profile is satisfy the need of strength with another parameters (the span between two gear pins L, the diameter of the gear pin, elastic modulus, etc.) are unchanged.
     3) 对求得的等效代换齿廓进行受力分析,验证在其它参数(包括针齿销之间的跨距L,针齿销直径d_(sp),弹性模量E等)不变的情况下,所求的等效代换齿廓是否满足强度要求。
短句来源
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  等效替代
     The equivalent substitution thought is a common research method in physics and the whole physics teaching in a middle school is penetrated with it.
     等效替代思想是物理学中常用的研究方法,贯穿于整个中学物理教学之中.
短句来源
     In the physics teaching of a middle school,we should show students the equivalent substitution thought and other scientific and researchful thoughts and methods,to promote the cultivation of student's abilities.
     在中学物理教学中应向学生展示等效替代思想等科学研究的思想和方法,以促进对学生能力的培养.
短句来源
     According to the thought of equivalent substitution, the methods to calculate the emergencyreserve benefits, frequency regulation benefits, phase regulation benefits and the totaldynamic benefits of the pumped storage power station are proposed and the actualcalculations of the examples are conducted.
     根据等效替代的思想,提出了具体测算抽水蓄能电站事故备用效益、调频效益、调相效益以及抽水蓄能电站总体动态效益的方法,并进行实例计算。
短句来源
     A road traffic noise analysis method and system is introduced, based on the technology of SDTM (synthetic digital terrain model) and line source equivalent substitution and dispersion of stochastic vehicle flow. A geometric design and optimization method of road noise barriers based on the system is proposed in detail. With this method, we can approximately simulate the influences of various environmental conditions, such as buildings, topographic, vegetable covers, and so on.
     介绍了一种基于综合数字地面模型以及随机车流声源等效替代和分解技术的户外道路交通噪声分析方法与系统.详细论述了基于该系统的道路声屏障设计与优化方法.该方法能够近似模拟实地各种环境条件的影响,如建筑物、地形、树木、植被以及大气条件等,在一定程度上实现了道路交通噪声和声屏障降效果的可视化设计与评价.
短句来源
     As for the sustainable development of composite technology, the author puts forward the idea of laying good foundations, accomplishing large - scale application and achieving sustainable development. Two crucial existing problems, the possible way for equivalent substitution homemade carbon fiber for imported fiber and the validation mode before new material' s application in large scale, have been analyzed in detail and the solutions to them have been put forwarded.
     本文就航空复合材料技术可持续发展问题提出了“打好基础,规模应用,持续发展”的思路, 对影响复合材料技术可持续发展的两大问题,即加快军机用国产碳纤维批产等效替代进口碳纤维的技术途径和新材料批量应用于型号前的验证模式进行了详尽的剖析,并提出了具体的解决方案。
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  “equivalent substitution”译为未确定词的双语例句
     The Equivalent Substitution of Cyclic Function for Stationary Random Process
     平稳随机过程的周期函数等效替换
短句来源
     The Studies on the Equivalent Substitution in Limit Calculation of Power—Exponential Fuctions
     关于幂指函数极限计算中等价代换问题的研究
短句来源
     The key points of this paper are focused on as following aspects: (1) The value of eco-environmental benefits of EFTWC project in Pinggu district is evaluated based on utility value theory and environmental economic methods such as equivalent substitution approach, opportunity cost approach, and replacement cost approach;
     重点以效用价值论为理论依据,用等效替代法、机会成本法和重置成本法(恢复费用法)等环境经济学方法,对平谷区水利富民综合开发工程生态环境效益价值进行了评估;
短句来源
     In terms of the equivalent Substitution principle,a new method is present in this paper that enable us to calculate the charge quantity and the normal compon- ents of the field intensities on the boundaries and on the medium interfaces with- out using any differentiation and integration.
     本文在有限元素法的基础上,实现了场域第一、第二类边界条件的等效替换,并据此导出了计算电荷量与导体表面场强或边界法向场强及介质分界面上法向场强的新方法——通量替换法。
短句来源
     The concept of equivalent substitution is proposed, and the mathematical description of operationality is given. Finally, a path plan system PLAN is designed to verify the correctness of our description.
     提出了等价置换概念,给出了可操作性的数学描述,最后验证了一个路线规划系统PLAN.
短句来源
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In this paper, the measurements of high temperature conductivity and positron annihilation are used to analyze the effect of two kinds of substitution(equivalent, non-equivalent) of Ca2+ on the defect structure, and electric properties of BaTiO3, The results show:the equivalent substitution of Ca2+ can change the enthalpy of oxidation and reduction reactions of BaTiO3.Accepted dopants have marked influence on the electric conductivity and positron lifetime of the material. The accepted solid solubility...

In this paper, the measurements of high temperature conductivity and positron annihilation are used to analyze the effect of two kinds of substitution(equivalent, non-equivalent) of Ca2+ on the defect structure, and electric properties of BaTiO3, The results show:the equivalent substitution of Ca2+ can change the enthalpy of oxidation and reduction reactions of BaTiO3.Accepted dopants have marked influence on the electric conductivity and positron lifetime of the material. The accepted solid solubility of Ca2+ in BaTiO3 are given based on the analysis of defect chemistry. Equivalent substitution of Ca2+ in BaTiO3 have little effect on the properties of anti-reduction. A few amounts of accepted substitution may increase the resistivity more than ten orders of magnitude for the materials sintered in strong reducing atmosphere. This material can further be improved into monolithic capacitors with base-metal electrods.

用高温平衡电导率及正电子湮没寿命谱量测研究了钙离子的两种置换类型对钛酸钡缺陷结构、电性能的影响及机理。结果表明:等价置换能够改变钛酸钡氧化、还原反应生成焓,受主置换对钛酸钡电导率曲线、正电子淹没寿命谱均有显著影响;少量受主置换可以使在强还原气氛下烧结钛酸钢材料的绝缘电阻提高近10个数量级。该材料可做为进一步研究贱金属电极独石电容器的基础。

In terms of the equivalent Substitution principle,a new method is present in this paper that enable us to calculate the charge quantity and the normal compon- ents of the field intensities on the boundaries and on the medium interfaces with- out using any differentiation and integration.So it is not only very simple but also very accurate.

本文在有限元素法的基础上,实现了场域第一、第二类边界条件的等效替换,并据此导出了计算电荷量与导体表面场强或边界法向场强及介质分界面上法向场强的新方法——通量替换法。这种方法不必采用位函数的导数求场强以及对边界场强的积分求电荷量,不仅十分简单,而且精度显著提高。

Sphalerites with high cadmium contents (great than 4%, wt%)and low iron contents(less than 4%)have been found in muscovite granite(body No. 69, W-, Be-, Ta- and Nb-mineralized)and two-mica granite of Dajishan mine, Jiangxi Province, by the study of EPMA. The content of cadmium in sphalerites which is different in various samples increases from two-mica granite to muscovite granite, and also with the changing of body level from lower to upper. The content of Fe shows a similar tendency as well, but it is not...

Sphalerites with high cadmium contents (great than 4%, wt%)and low iron contents(less than 4%)have been found in muscovite granite(body No. 69, W-, Be-, Ta- and Nb-mineralized)and two-mica granite of Dajishan mine, Jiangxi Province, by the study of EPMA. The content of cadmium in sphalerites which is different in various samples increases from two-mica granite to muscovite granite, and also with the changing of body level from lower to upper. The content of Fe shows a similar tendency as well, but it is not as significat as that of cadmium. Especially in the sample of 467 level for muscovite granite, the content of cadmium is up to 18.24%(average value), which is great out of the approximate limit of Cd substitution in sphalerite determined by B. J. Skinner(1961). A good linear relation between the content of Cd + Fe and Zn in an uint cell is present, slope is -0.675, showing a non-equivalent substitution of Cd + Fe for Zn and implying empty tetrahedron may occur in the sphalerite structure.X-ray diffraction data show an increasing trend of unit cell parameters for sphalerites (from 0.54250 to 0.54440nm)with the increase of Cd and Fe contents. The a0 value is over-estimated according to the equation suggested by B. J. Skinner(1961)for the sample No. 467. More data are needed to modify Skinner's equation.By comparision of the characteristics of sphalerites from two-mica granite, muscovite granite and from quartz-vein tungsten deposit respectively, it is proposed that Cd concentrated fluid should be derived from the magma of two-mica granite and muscovite granite, and the content of Cd and/or the ratio of Cd/Zn in fluid increases with the evolution of magma. The origin of hydrothermal fluid for Dajishan tungsten deposit may have a close relation with the underlying two-mica and muscovite granite or deeper plu-ton.

电子探针研究表明江西大吉山矿床二云母花岗岩和白云母花岗岩中副矿物闪锌矿为富镉闪锌矿(Cd,4.34—19.89%,wt%,下同),铁含量低(Fe,1.03—4.24),尤以具W、Be、Ta、Nb矿化的白云母花岗岩中闪锌矿镉含量为高,并随岩体由下到上(标高的增大)而增高。矿物中Cd+Fe与Zn之间存在良好的线性负相关关系,指示了主要类质同象替代发生在Cd、Fe与Zn之间。矿物中可能存在不等位替代现象和四面体空位。富镉闪锌矿晶胞参数为0.54250—0.54440nm,随矿物中Cd含量的增加而增大。对照表明,当矿物中镉含量特别高时,Skinner(1961)晶胞参数计算公式估计值偏大,需作重新修正。最后,文章对富镉闪锌矿的成因意义进行了讨论。

 
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