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- Aiming at the problem of equivocal correction coefficient formulas of casing strength quoted in the American Petroleum Institute(API),the regularities and distribution of parameters for casing properties of API were discussed. 针对美国石油学会(API)制定的套管强度计算公式中引用的若干个修正系数理论意义不明确的问题,讨论了API套管多个属性参量的分布规律和分布参数。
- He is studying the properties of these particles. 他在研究这些粒子的性质。
- core properties of case hardened steel 表面热处理后钢中心的性质
- The monotone property of multivariate function proved that the maximum stress strength point exists on the inner surface of casing under the triaxial stress conditions. 通过实例计算,对比分析了用“三向应力圆”理论与其他几种理论计算的抗挤强度值。
- Final full-size test results show that these measures can improve greatly the anti-galling property of casing and the leakproofness and antislip property is not be reduced. 最后的实验结果表明,采用这些措施可以大大改善套管的抗粘结性能,同时套管的密封和抗滑脱性能并未下降。
- He is studying the medicinal properties of wild plants. 他正在研究野生植物的药物特性。
- Interaction between systems or between properties of a system. 系统间或一个系统的各种特性之间的相互作用。
- Each sugar molecule has the properties of sugar. 每个糖分子都具有糖的性质。
- The allergenic has properties of fungal spore. 真菌孢具有诱发过敏反应的性能。
- The allergenic properties of fungal spore . 真菌孢具有诱发过敏反应的性能。
- Having the properties of a magnet. 具磁性德具有磁体的特性的
- Studies on enzymatic properties of Aspergillus spp. 曲霉菌酶学性质的研究。
- How do I get the properties of a cast member? 怎样得到一个演员表成员属性?
- Sets properties of an accounting server. 设置记帐服务器的属性。
- Sets properties of an authentication server. 设置身份验证服务器的属性。
- Research on the main properties of cit. 川渝柚类主要性状的研究;
- EPF has distinct properties of immu-no-supprcssion. EPF有明显的免疫抑制活性。
- The allergenic properties of fungal spore. 真菌孢具有诱发过敏反应的性能。
- What are the properties of salt? 盐的特点是什么?
- To counteract or destroy the toxic properties of. 解毒破坏毒素的特性
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
