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film rupture
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  “film rupture”译为未确定词的双语例句
     Under spleen film rupture 15cases(26% ),essence contusion 31 cases(54% ) ,shattered rupture 9 cases(15% ) ,2 cases were missing 93 percent accord with diagnosis.
     脾包膜下破裂15例(26%),脾实质挫裂伤31例(54%),脾粉碎性破裂9例(15%),漏诊2例(3%),诊断符合率(93%)。
短句来源
     The mechanism of SCC is an anodic dissolution with film rupture rate-controlling.
     应力腐蚀破裂机制为膜破裂控制的阳极溶解。
短句来源
     In this paper, Based on solution of the double Reynolds boundary condition, the performance of the journal bearing is calculated and compared with the different boundary conditions and eccentricity Some conclusions that are useful in oil film rupture boundary under the large perturbation are obtained
     本文根据双雷诺边界条件计算了滑动轴承在各种偏心率下的轴承性能 ,同目前普遍使用的压力边界条件的计算结果进行比较。 研究各种边界条件对轴承性能的影响 ,从而为进一步研究大扰动下油膜破裂边界的变化打下基础
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     Before and after the treatment, the local symptoms were examined and lacrimal flow, lacrimal film rupture time, cornea fluorescein staining, and other indexes were determined to analyze the therapeutic effect.
     针刺组予以针刺治疗 ,人工泪液组予点人工泪液。 治疗前后分别检查眼局部症状 ,并对泪流量、泪膜破裂时间、角膜荧光素染色等指标进行检测 ,分析临床疗效。
短句来源
     Results:Film rupture occurred in pellets with lactose instead of HPMC in the coating formulation.
     结果:乳糖代替HPMC包衣的微丸释药后衣膜也出现破裂;
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  film rupture
Our investigations deliver a necessary condition for the flow rate in order to avoid a film rupture.
      
Thin film limit and film rupture of the visco--capillary gravity--driven channel flow
      
The effect of nonuniform heating is dominant prior to film disappearance and it enforces film rupture.
      
To account for crack propagation, the slip dissolution/film rupture (SDFR) model is adopted to provide mathematical formulae for prediction of the crack growth rate.
      
Through the observations, a mechanism for the SCC in this case was proposed to show that the cracks proceeded with successive processes of oxide film rupture and Zn-Al matrix tearing.
      
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This paper is mainly devoted to: (1) the description of the special features of the equations of pressure, equations of flow and resistance and the calculations of the performances of the journal bearings under turbulent conditions; (2) the comparison between the performances of the elliptic bearings under turbulent conditions and those under laminar conditions. The comparison shows that with the same eccentricity the load capacities for the turbulent operation are larger, the stiffness and damping of the oil...

This paper is mainly devoted to: (1) the description of the special features of the equations of pressure, equations of flow and resistance and the calculations of the performances of the journal bearings under turbulent conditions; (2) the comparison between the performances of the elliptic bearings under turbulent conditions and those under laminar conditions. The comparison shows that with the same eccentricity the load capacities for the turbulent operation are larger, the stiffness and damping of the oil film are greater and stability conditions are basically the same. With the same coefficients of load capacities, the oil flow for the turbulent operation will be a little greater or smaller, the power losses and temperature rises will be about thrice larger and the regions of stability will be slightly narrower. Thus the data for laminar operation may be used to estimate the stability performances for turbulent operation in case of lack of the turbulent data; (3) a comparison among several theories of the turbulent lubrication developed abroad more recently by Constantinescu, Ng and Pan, Aoki and Harada and Hirs. These theories have been examined and analysed. The result shows that the theory put forward by Aoki and Harada is the best of all. On the other hand the Hirs Theory is obviously unreasonable when it is used with large eccentricities; (4) suggestions and recommendations made to the manufacturer concerned: recommending the length diameter ratio should be chosen as 0.75, the elliptic ratios should be chosen between 0.5 and 2/3 and some kinds of grooves for oil outflow should be made in the region of the oil film rupture to reduce power losses; (5) a preliminary disoussion on the rational criteria for determining the flow regime in the oil film of an elliptio bearing. The materials in the paper may prove helpful in designing, calculating and experimenting with bearings for turbulent operation.

本文主要介绍:(1)紊流工况下椭圆轴承的方程(雷诺、流量和阻力方程),计算框图以及计算中的几点考虑:紊流系数的选取;油膜破裂区阻力的考虑;紊流系数中的局部雷诺数R_h值;紊流流道中出现层流段的考虑等。(2)紊流工况和层流工况轴承性能差异分析。(3)紊流工况椭圆轴承的性能曲线和分析。(4)对某机组用椭圆轴承结构、参数的建议。

A numerical method for calculating the load carrying capicity, stiffness and flow of an capillary-compensated 4-recessed hydrostatic journal bearing is presented. It is a finite difterenee solution of Reynolds' equation combined with the continuity equation of flow. Film rupture is taken into account by an iterative procedure. Data are given and compared with those obtained by one-dimensional tlow method and the simplitied method for different velocity parameter, pressure ratio, load angle and land width....

A numerical method for calculating the load carrying capicity, stiffness and flow of an capillary-compensated 4-recessed hydrostatic journal bearing is presented. It is a finite difterenee solution of Reynolds' equation combined with the continuity equation of flow. Film rupture is taken into account by an iterative procedure. Data are given and compared with those obtained by one-dimensional tlow method and the simplitied method for different velocity parameter, pressure ratio, load angle and land width.

本文用有限差分法对毛细管节流液体四腔静压径向轴承的承载能力、刚度和流量进行了计算。以此为基础同一维流计算和简化计算做了比较和分析。性能数据是在不同的速度参数、压力比、载荷方向和宽、窄周流封油边下取得的,可供设计时参考。方法亦可用于其它节流形式和任意腔数。

The stress corrosion cracking(SCC) of carbon steels in aqueous alkali was studied by electrochemical technique, stress corrosion test under constant load and repassivation test. The results showed that with increasing corbon content in steels, the susceptibility to SCC enhances) when this content reaches an extent to which the more stable carbide structure at grain boundaries emerges, the SCC susceptibility turns to decrease. Tempered at 500℃, 0.1%C and 0.2%C quenched steels showed a prolonged time to failure....

The stress corrosion cracking(SCC) of carbon steels in aqueous alkali was studied by electrochemical technique, stress corrosion test under constant load and repassivation test. The results showed that with increasing corbon content in steels, the susceptibility to SCC enhances) when this content reaches an extent to which the more stable carbide structure at grain boundaries emerges, the SCC susceptibility turns to decrease. Tempered at 500℃, 0.1%C and 0.2%C quenched steels showed a prolonged time to failure. Through SEM it was found that adding titanium makes time to failure increase, which may be contributed to the formation of titanium carbides by chemical combination of titanium and carbon which reduces the number of carbon atoms at grain boundaries. To keep the titanium steels at 900℃ for a certain time is beneficial to raising the time to failure. Auger energy analysis showed an enrichment of chromium in passive film which enhances the passivity and prolongs the time to failure of the chromium steel. It is unsuitable to keep the chromium steel at 900℃ for a long time. The slip and pile-up of dislocations result in microcracks initiating at the angle of π/4 with respect to the applied stress. The crack growth rate is linear with J-integral. The mechanism of SCC is an anodic dissolution with film rupture rate-controlling.

本工作通过电化学,恒载荷应力腐蚀和再钝化试验,对碳钢在碱溶液中的应力腐蚀破裂进行了研究。研究表明,随钢中碳含量增加,应力腐蚀敏感性增大;碳含量进一步增加,达到晶界形成较稳定的碳化物组织,敏感性便又降低,0.1%和0.2%碳钢淬火态在500℃回火可提高破裂寿命。扫描电镜分析表明,钛的有利作用是由于钛同碳结合生成碳化钛减少了晶界碳原子。钛钢在900℃保温有利提高破裂寿命。俄歇能谱分析发现铬在膜中富集,增加钢的钝化能力,提高了破裂寿命。铬钢不宜在900℃长时间保温。位错的滑移和堆集使微裂纹在与外加应力成π/4角的方向孕育。扩展速率与J积分有线性关系。应力腐蚀破裂机制为膜破裂控制的阳极溶解。

 
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