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pressure element相关的网络例句

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Using linear elastic finite element model for piles and pile cap, elastic-plastic finite element model for piles-surrounding soil under pile cap, linear elastic infinite element model for soil around pile group, and mounting interface element on the pile-soil interfaces, 3-D elastic-plastic finite element method is used to analyzing the pile-soil-cap interaction.

对桩及承台采用线弹性有限元模型,对承台下桩周土采用弹塑性有限元模型,对群桩以外的土体采用线弹性无限元模型,在桩土接触面上设置接触面单元,利用三维弹塑性有限元对桩%D土%D承台相互作用进行了分析。

Finite element model of light-weight steel-concrete composite beams are built up. This element model combines spring element with traditional beam element to form a composite beam element which consists of steel, concrete and springs. The three parts has compatibility of deformation.

2建立了轻钢-混凝土组合梁的非线性有限元分析模型,该模型由传统的梁单元中加入弹簧单元,由钢梁部分、混凝土部分和弹簧三部分在变形协调的基础上组成一个复合梁单元。

In this paper, the space-time finite element theory and its application technologies are studied and discussed. Furthermore the space-time finite element method is used to analyze the transient characteristics of electromagnetism equipments. The work is important to develop the numerical method for the transient electromagnetic field. The detailed work is as follow.In the basis theory of finite element method used in the transient engineering problem, the functional theory and the finite element theory are applied to studied the existence condition of a generalized variation principle, which is the basis of the space-time finite element method.

本文在完善时空有限元法的基础理论和应用技术并将该方法应用于解决电磁装置的瞬态过程分析等相关方面进行了深入的研究与探讨,该工作对于发展瞬变电磁场问题的数值计算方法具有重要的意义,为此进行了如下几方面的工作:在工程瞬变问题的有限元方法的基础理论方面,本文应用泛函理论和有限元理论,系统讨论了一般工程瞬变问题的变分定理的存在条件及对应的变分定理。

A method for producing fatty acid alkyl esters and/or glycerin comprising a step of bringing a fat or oil into contact with an alcohol in the presence of a catalyst, wherein the catalyst is at least one catalyst selected from the group consisting of the following to: a metal oxide having an ilmenite structure and/or a slyrankite structure; an oxide containing a metallic element belonging to the Group 12 and a metallic element belonging to the Group 4; a mixed oxide containing a metallic element belonging to the Group 12 and a tetravalent transition metallic element; a metal oxide containing zirconium and at least one metallic element selected from the group consisting of metallic elements belonging to the Groups 4, 5 and 8; and a metal oxide containing anatase type titanium oxide and/or rutile type titanium oxide, and the metal oxide containing a sulfur component of 700 ppm or less.

脂肪酸烷基酯和/或甘油的制造方法包括在催化剂的存在下使脂肪或油与醇接触的步骤,其中,所述催化剂是选自由下列~所组成的组中的至少一种催化剂:具有钛铁矿结构和/或斯里兰卡石结构的金属氧化物;含有属于第12族的金属元素和属于第4族的金属元素的氧化物;含有属于第12族的金属元素和四价过渡金属元素的混合氧化物;含有锆和选自由属于第4、5和8族的金属元素所组成的组中的至少一种金属元素的金属氧化物;和含有锐钛矿型氧化钛和/或金红石型氧化钛的金属氧化物,并且所述金属氧化物含有的硫成分为700ppm以下。

An optimum design for the complex body formed together with the volute casing, base ring and cement foundation of a hydraulic turbine is made by the gradient method and a program is developed on the basis of finite element analysis with the plane and shell element, body element, boundary element and pseudo element.

本文对由水轮机蜗壳、座环和水泥基础所构成的复杂组合体,在采用板壳元、块体元、边界元和伪单元等四类单元进行有限元分析的基础上,选用最速下降法研究了优化设计过程,并编制成程序系统。

A finite element modeling and analysis of the assembly of a breech mechanism in locking condition was carried out with special finite element techniques such as contact element, gap element and spring element.

利用接触元、间隙元和弹簧元特殊单元,对某大口径火炮的炮尾-闩体-曲臂机构进行了闭锁状态下装配体有限元建模和分析。

Regarding the general industrial dust aluminite powder, the firing delay time and the most tremendous pressure rise speed influence is very obvious to its maximum explosion pressure; Its maximum explosion pressure and the maximum pressure rise speed reduces along with the dust granularity increases: And increases the tendency to be obvious; Has a best dust loading, causes its maximum explosion pressure and the maximum pressure rise speed maximizing.

对于一般工业粉尘铝粉来说,点火延迟时间对其最大爆炸压力和最大压力上升速率的影响十分明显;其最大爆炸压力和最大压力上升速率随着粉尘粒度的减小而增加:且增加趋势明显;存在一个最佳粉尘浓度,使其最大爆炸压力和最大压力上升速率达到最大值。

This paper studies depression in the hot cathode glow discharge PCVD method of diamond films influence in the process, mainly from two aspects of research: a study of the process of discharge pressure of the impact of that pressure on the technology, the impact of state discharge , as well as pressure and discharge voltage of the relationship between the two, and experiment with different pressure, relative to the preparation of samples, and using Raman instrument and SEM analysis of the quality of the film, by comparing the different types of gas pressure on the quality of diamond films, summed up the most good gas pressure parameters of a high-quality diamond films.

本文研究气压在热阴极辉光放电PCVD方法制备金刚石膜过程中的影响,主要是从两个方面进行研究:一,研究制备过程中气压对放电的影响,得出气压对工艺,放电状态的影响,以及气压和放电电压的关系;二,采用不同气压进行实验,制备出相对应的样品,并用Raman和SEM等仪器对膜进行质量分析,通过对比不同气体压强对金刚石膜质量的影响,总结最佳气体压强参数,制备出高品质金刚石膜。

At valve repair, import relief valve repair complex; import relief valve, control valves are used the body parts of the opening gate to regulate the flow of medium, medium pressure to lower pressure after the valve simultaneously with the role of regulation headstock of the opening piece, so that after the pressure valve to maintain at a certain range, the inlet pressure at the ever-changing circumstances, to maintain outlet pressure at setting the framework of the back to protect its pipelines, equipment, pressure, temperature stability ..................

在阀门维修中进口减压阀维修比较复杂;进口减压阀是采用控制阀体内的启闭件的开度来调节介质的流量,将介质的压力降低,同时借助阀后压力的作用调节启闭件的开度,使阀后压力保持在一定范围内,在进口压力不断变化的情况下,保持出口压力在设定的范围内,保护其后面管道、设备的压力、温度的稳定

The results show that the interplanar crystal spacing and lattice index of Al-rich α phase reduce gradually with increasing pressure. When the pressure reaches from common pressure to 5 GPa , Al-rich α phase lies on the (200) and (220) crystal faces, the interplanar crystal spacing are reduced by 1.07% and 1.15%. From common pressure to 3 GPa , the microstructure of ZA27 alloy changes from thick dendrites to fine dendrites, and finally to granular. According to the effect of solute diffusion coefficient under super high pressure and the calculation of Scherrer formula, it can be seen that the crystal organization is fine within the bounds of certain pressure. This conclusion is consistent with the experiment results.

结果表明:随着压力的增加,晶面间距和晶格常数都逐渐减小,当压力达到5 GPa时,富铝α相在(200)与(220)晶面处,晶面间距较常压力时的分别减小1.07%和1.15%;在常压至3 GPa范围内,晶粒由粗大的树枝晶→细小的树枝晶→粒状、椭球状枝晶转变的趋势,通过压力对合金凝固溶质扩散系数的影响结合Scherrer公式计算分析其组织变化原因,得出在一定的压力范围内,随着压力的增大,晶粒尺寸逐渐变小,这一结论与实验结果相符。

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网络空间是抽象空间数字化阶段的典型形式。

The Notarial System,as the system of judicial certification in our country,is both the constructor and the defender of social credit system,It has its special value and function in the social honesty.

公证制度作为我国司法证明制度,既是社会信用体系的建设者,同时也是社会信用的捍卫者,在诚信中有其特殊的价值和功能。

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