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- Through analyzing the characteristic of reservoir bed, formation geologic feature, and potential formation damage factor, the opti... 优选适合勘探开发蓬莱镇组气藏的钻井完井液类型,维护处理技术。
- By introducing damage factor into the model of elastic base beam, the non-elastic base beam model based on damage constitutive relation is proposed. 在弹性基础梁模型的基础上，通过引入一损伤因子，提出一类基于损伤本构的基础梁模型，并在一定条件下对该模型进行了求解和对比分析。
- The character of hydrocarbon reservoir, damage factor and its mechanism are analyzed.YK drill-in fluid and detail design are developed. 介绍了塔北地区油气层特征、潜在损害因素及其作用机理,研制出YK型钻开油层完井液体系及相应的施工措施。
- Damage factor versus AA from bombing 对空军基地的伤害效率
- Damage factor versus Radar from bombing 对雷达的伤害效率
- Damage factor versus nuke from bombing 对核反应堆的伤害效率
- Damage factor versus resources from bombing 对资源的伤害效率
- The referenced expression of damage threshold fluence in laser induced detector damage is given, also the obvious and recessive damage factors and their causes are analyzed. 摘要给出了光电探测器激光能量损伤阈值的参考表达式，并对导致激光损伤的显性和隐性因素及其成因进行了分析。
- Freezingthawing durability of concretes subjected to single damage factor (SDF), double damage factors (DDF) or multiple damage factors (MDF) was studied by accelerated freezingthawing test. 用快冻法研究了混凝土在单一破坏因素(single damage factor, SDF)、双重破坏因素(double damage factors, DDF)和多重破坏因素(multiple damage factors,MDF)作用下的冻融寿命。
- The damage factors suitable for recycled fiber damage were defined elementally, with which evolvement rules of paper strength with damage variables were studied. 最后本文引入了损伤力学理论，初步定义了适合二次纤维损伤的损伤变量，研究了纸页强度性能随损伤变量的演化规律；
- METHOD: The hepatocyte was cultured in vitro and given two damage factors,ethionine and tetracycline and then observed by the scanning electron microscope. 方法:体外培养肝细胞,给予2种药物损伤因子(乙硫氨酸和四环素),以扫描电镜观察为指标,考察模型组的变化。
- The flood did a lot of damage to the crops. 洪水毁坏了大量农作物。
- That's a factor which we must not neglect. 这是我们不应忽视的一个因素。
- The storm did a great deal of material damage. 暴风雨造成了大量物质损失。
- I factor ed my uncle's estate for three years. 我代管我叔父的财产已有三年了。
- He collected on the damage to his house. 他收到房屋损坏赔偿费。
- The damage to the painting was the work of vandal. 毁坏这幅画的事是恣意破坏公物的人干的。
- The accident didn't do much damage to the cylinder. 在意外事故中，汽缸没有受到重大损坏。
- The damage to the painting is the work of vandals. 毁坏这幅画的事是恣意破坏公物的人干的。
- Careless use of the clutch may damage the gears. 离合器使用不慎可能损坏传动装置。
