查询词典 walled

The research mainly focuses upon the unique deformation mechanism, forming method, quality control and parameter optimization, and the key technologies in Finite Element Analysis for the 3D Non-Axisymmetric thin-walled tube spinning. A CNC spinning equipment for the 3D Non-Axisymmetric thin-walled tube has been designed and manufactured based on the experimental investigation of the forming method.

着重研究变形机理、成形方法、质量控制及优化成形工艺参数，解决三维非轴对称零件旋压成形过程数值模拟关键技术；通过对成形工艺方法的试验研究，研制出能够旋压成形三维非轴对称薄壁空心零件的工艺装备。

The structure and morphology of CNTs which have been purified and not yet, were characterized by TEM, SEM, XRD, Raman, TG-DTA, BET, IR. The results indicated that when the stokehole reaction temperature was 1170℃,the decompose temperature of Ferrocene was 150℃,he volatilize temperature of Benzene was 50 ℃, hydric flow rate was 270ml/min, the concentration of thiophene was l% and the reaction time was 20 minutes, the CNTs with single-walled and multi-walled were prepared.

结果表明：炉膛反应温度1170℃、二茂铁的分解温度150℃、苯的挥发温度50℃、氢气的流量270ml／min、噻吩体积分数1.00／100ml苯、反应时间20min时，可以得到碳纳米管，既有单壁管又有多壁管，单壁管的内径分布在0.88～1.15nm之间，多壁管的直径分布在40～120nm之间；纯化后的碳纳米管比表面积增加，管壁光滑，而且产生了大量的含氧官能团，有利于在水溶液中的分散。

He modeling is the thin walled column model in which the shear walls connected each other in horizontal are regarded as a thin walled column, and the part between openings in vertical are regarded as a tie beam. The programs based on this kind of model is TAT. Two kinds of super element generalized- wall-element and elastic-slab-element are defined, which are condensed from shell element based on the theory of sub-structure, SATWE is based on the model.

AT采用薄壁柱模型，将同一层彼此相连的剪力墙墙肢作为一个薄壁杆件单元，把上下层剪力墙洞口间的部分作为连系梁单元；SATWE引入两种超单元：通用墙元和弹性楼板单元，采用子结构理论用在壳元基础上凝聚而成的墙元模拟剪力墙。

The mechanical autofrettage of thick-walled cylinders is a sort of practical and valuable technique used to enhance its elastic strength of thick-walled tube and increase its fatigue life.

厚壁圆筒机械自紧技术是一项有实用价值的工艺技术，它可提高厚壁圆筒的弹性强度和疲劳寿命。

The mechanical autofrettage of thick—walled cylinders is a sort of practical and valuable technique used to enhance its elastic strength of thick—walled tube and increase its fatigue life.

厚壁圆筒一次和二次机械自紧技术的理论与实验研究机械自紧

The mechanical autofrettage of thick—walled cylinders is a sort of practical and valuable technique used to enhance its elastic strength of thick—walled tube and increase its fatigue life.

厚壁圆筒机械自紧技术是一项有实用价值的工艺技术。

In view of mention above,a new spatial thin-walled beam element model considering forementioned those effects and available in the analysis of thin-walled structures is aimed to be established.

鉴于此，本文拟建立一能够考虑上述影响因素，且适用于薄壁杆系结构分析的空间薄壁截面梁单元模型。

Based on the fundamental assumptions of thin-walled structure,bendingand torsion of monosymmetric I-section thin-walled curved beams with smalldeformation were studied in detail.

从薄壁构件的基本假设出发，对薄壁曲梁小变形时的弯曲与扭转进行了详尽的分析，首次得出了单轴对称工形截面曲梁的翘曲位移、正应力、剪应力、应力合力以及适用于各种荷载作用的控制方程的精确表达。

The main characteristics of microscopic:Lots of polysaccharides, thick-walled cells, thinner-walled cells, raphides and substances from ginger, such as starch grains, scalariform vessels, fibers, oil cells, and so on.

按《中华人民共和国药典》鉴别通则对模拟制备的姜天麻进行系统实验观察，选出主要鉴别特征及鉴别方法，据此试行鉴别两批&姜天麻&饮片，验证该特征及鉴别方法的可靠性。

The second part of this paper presents a CFD-simulation of the performance of straight-walled and curved-walled micro nozzle/diffuser by FLUENT software. Such nozzle/diffusers are mainly used in micro venturi and also applied to valveless micropumps.

而在速度分布部分，当流量为5.338 mg/min时，宽度为150微米的喉部区流速已经高於声速，随后因速度不断增加，空气黏滞力影响了速度分布而产生了速度冲击现象。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。