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压球
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  pressure ball
     Development of φ508 mm medium pressure ball valve.
     508mm(20英寸)通径中压球阀的试制
短句来源
     Body Design and Three-dimensional Numerical Simulation of 20″Caliber Medium Pressure Ball Valve
     20″通径中压球阀的设计和三维数值模拟
短句来源
     Method 167 patients were divided into three groups:group A(48 cases) with negative pressure cigarette-shape,group B(44 cases) with cigarette-shape; group C(75 cases) with negative pressure ball. The clinical effects were studied and analyzed with χ 2 test.
     方法  16 7例患者分作三组 ,A组 48例 ,B组 44例 ,C组 75例 ,分别用负压烟卷、烟卷、负压球引流 ,对临床效果作研究 ,χ2 检验作结论。
短句来源
     The newly developed φ508 mm medium pressure ball valve adopts new C-shaped metal seal ring for tightening valve rod sealing mechanism, and applies integrated disc spring and new valve seat sealing stuff between the valve seatand the ball to ensure high pressure sealing and improve service life.
     新研制的508mm(20英寸)中压球阀广泛用于石油、天然气、市政工程供气、供水等行业,该大口径球阀设计了新型C形金属密封环组件,用于自紧阀杆密封机构; 在阀座与球体之间采用整体碟形弹簧和新型阀座密封填料,以保证高压密封,提高使用寿命;
短句来源
     The structure of 20″ caliber medium pressure ball valve and a set of new type "C" shaped metal seal ring are introduced.
     介绍了通径为20″(1″=25.4 mm)的大口径中压球阀阀体、新型C形金属密封环组件等的结构设计;
短句来源
  “压球”译为未确定词的双语例句
     There were16cases(12.5%)with complication of subcutanceous liquid collection,1case with skin flay necrosis among128cases treated by DEXON CSS and RAB; 47cases(38%)with complication of subcutanceous liquid collection,16cases(13%)with skin flap necrosis among123cases treated by TNPAB.The statistically significant difference was found between the two groups.
     [结果]128例DEXON连续缝合加REDON引流瓶引流皮下积液16例(16/128,12.5%),皮肤坏死1例(1/128,0.78%),明显优越传统缝合加负压球引流,皮下积液47例(47/123,38%),皮肤坏死16例(16/123,13%)。
短句来源
     The method developed was applied to calculate the electric field rounded the direct type lead wire of 500 kV power transformer and to compare the design of smoothing bushing collar construction.
     应用上述方法,计算了500kV电力变压器直接式引线的电场,并比较了不同形状的均压球电场,供设计应用。
短句来源
     Experiments showed that crushing the pellet screenings into 4~0mm and adding some additives can obtain briquette with good compression strength and high iron content.
     试验结果表明:将球团返矿破碎至小于4mm的粒级,另配加部分铁精矿进行压团,同时配加两种不同的添加剂,压球的强度和铁品位都达到了较理想的指标。
短句来源
     The clinical data of123patients treated with drainage by trational negative pressure absorbing ball(TNPAB)from January to December in1999,and the clinical data of128patients treated by DEXON CSS and RAB from January to December in2002were analyzed retrospectively.
     [方法]对1999年1月至12月123例乳腺癌改良根治术后传统缝合加负压球引流和2002年1月至12月乳腺癌改良根治术后应用DEXON连续缝合加REDON负压引流瓶引流128例病例进行回顾性分析。
短句来源
     The evolution strategy is used to optimize the shielding electrode of high voltage bushing.
     采用进化论法,对油纸电容式套管均压球进行电极形状优化,提出了优化策略、约束条件和优化问题的目标函数。
短句来源
更多       
  相似匹配句对
     The Ball Pressure Test
     试验
短句来源
     How to Identify the Ball-pressure Indentation
     试验痕判定方法
短句来源
     Hard Alloy Sphere
     硬质合金
短句来源
     The Invention of Ball
     的发明
短句来源
     Cardiac tamponade
     心脏
短句来源
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  pressure ball
Some applications of the metal are its use in the manufacturing of high-pressure ball bearings, electrical contacts and fountain pen nibs.
      


The nomograms contained in this paper may be used in the design calculation of the external pressure spherical shells and convex heads and can directly give the solutions and thus eliminate the troubles with the traditional trial method.

本文提出的计算图表,适用于外压球壳和凸形封头的设计计算,并能直接求解,避免了习惯用试算法的麻烦。

This paper deals with the micro-structure and characteristics of cold-rolled nodular cast iron parts through high-frequency induc- tion heattreatment after being strengthened by cold rolling, based on three experimental facts which are taken from samples of QT40- 10, QT60-2 , and QT82-1. The paper says, in addition to such factors as casting quality, application and maintenance, the changes in the micro-structure as a result of cold rolling are also one of the predominent factors influencing the fatigue of...

This paper deals with the micro-structure and characteristics of cold-rolled nodular cast iron parts through high-frequency induc- tion heattreatment after being strengthened by cold rolling, based on three experimental facts which are taken from samples of QT40- 10, QT60-2 , and QT82-1. The paper says, in addition to such factors as casting quality, application and maintenance, the changes in the micro-structure as a result of cold rolling are also one of the predominent factors influencing the fatigue of nodular cast iron parts after being streng- thened by cold rolling. It has been shown by the results of the experiments that the endurance against fatigue of such nodular cast iron parts, as crank shafts, has not been improved greatly, and even reduced, although they have been strengthened by cold rolling. This is probably the result of unproper cold rolling process, damaging the micro- structure. It has been discovered in the experiments that induction heattreatment can be used to improve the above undesired micro- structure after cold rolling, while cold rolling can be used as the pre-treatment procedure in prior to the induction heattreatment.

本文通过QT40—10、QT60—2、QT82—1三种试样经冷滚压与冷滚压后高频感应热处理的显微组织及某些性能的研究,认为:除了铸造质量、使用维护等因素外,冷滚压引起的显微组织,尤其是石墨形貌的变化也是影响冷滚压球铁工件疲劳性能的重要因素。实验结果的分析表明:某些球铁工件,例如曲轴,其疲劳性能虽经轴颈圆角冷滚压强化处理,但有的提高不显著,有的反而下降,则很可能是由于冷滚压工艺不当,引起显微组织恶化所致。研究中还发现:高频感应热处理可以改善冷滚压工艺所造成的不良金相组织,而冷滚压则可作为高频感应热处理的予备处理工艺。

This paper deals with creep deformation and stresses of a spherical pot under high temperature and uniform internal pressure. Based on the conditions of plasticity and the data of creep test in the case of uniaxial stretch, the theoretical formulae of stress, strain, and diametral augmentation of a loaded spherical pot with stationary creep are derived. The load-carrying capacity of a spherical pot with creep deformation is calculated and compared with the case of neglecting creep deformation.

本文对高温、均匀内压作用下球罐的蠕变变形和应力进行了探讨.根据塑性条件及单向拉伸蠕变试验的数据,导出了稳定蠕变阶段受压球罐的应力、应变及直径扩大量的理论公式,且对不计蠕变变形和考虑蠕变变形时球罐的承载能力进行了计算和比较.

 
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