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- Physical Mechanical Quality 物理力学性质
- Highway in bess regions is often washed out by water, because bess hascollapsibility, special structural characteristics, physical and mechanical quality. 黄土地区公路易受水冲蚀,是由黄土的湿陷性和特殊的结构特征及其物理力学性质所决定的。
- Among them the lowest impedance and the best mechanical quality, it is the first kind type piezoelectric wire bonder. 其中阻抗最低且机械品质最佳的,则是第一种型式的压电打线器。
- Keywords: piezoelectric wire bonder, displacement, actuating force, impedance, mechanical quality. 关键字:压电打线器、位移、致动力、阻抗、机械品质。
- The melting,physical mechanical and the rheological properties of ethylene-ethenol(EVOH) were studied. 研究了乙烯-乙烯醇共聚物(EVOH)的热熔融性能、物理机械性能以及加工流变性能。
- The struc-ture and physical mechanical properties of graft copolymer depend on the rate of graft. 接枝共聚物的结构和物理性能与接枝率有关。
- Soil physical mechanism of the processes of water saving. 节水高产技术体系土壤物理学机理。
- The best-selling products of domestic products, mechanical quality to the former State Department, Buban for first-class level. 该产品系国内畅销产品,质量达到原国家机械部,部颁一等品水平。
- The fine aggregate is one of the basic raw materials of the concrete. The quality of the aggregate plays an important role in workability of flesh concrete and physic mechanics property and duration of the harden concrete. 细集料是配制混凝土的基本原材料,其质量优劣对混凝土拌合物的工作性和硬化混凝土的物理力学性能和耐久性均具有重要影响。
- This factory manufacture mechanical quality guaranteed that, defends the credit, wholeheartedly provides the consummation for the general customers the post-sale service. 本厂制造机械质量保证,守信用,竭诚为广大客户提供完善的售后服务。
- The experimental results show that the physical mechanical performance of the cement is similar to that of ordinary portland cement. 结果表明,该品种水泥的物理力学性能与普通硅酸盐水泥相似。
- Based on certain mechanical quality of the rock, the analysis on the Polycrystalline Diamond Compacts (PDC) bit and the rotary percussive drilling is carried out. 在管棚支护所钻岩石的力学性质基础上,对管棚支护钻孔所采用PDC钻头和回转冲击的钻进方式进行了比较分析。
- The POXDN were characterized by IR and EPV. Scale resistance, physical mechanical properties and heat resistance of the POXDN coating are examined. 以IR和EPV方法对合成的POXDN进行了表征。
- Except for lower grain strength modified two-bath chrome tanning possesses better physical mechanical properties than general chrome tanning does. 从常规铬鞣与变型二浴铬鞣对比表明,除粒面强度较低外,后者有较好的物理机械性能。
- The effects of ru-bber/plastic ratio,vulcanization conditions and recycled processing timeson the physical mechanical properties were studied. 同时对橡塑比、未硫化、动态硫化、静态硫化和返炼次数等对物理力学性能的影响作了初步探讨。
- An experiment has been made in Liuzhou Teachers College to prove whether the course of callisthenics or that of badminton influences the shapes, the physical mechanism and quality of girl students who is not majoring in PE education. 摘要以柳州师范高等专科学校非体育专业2005级女大学生为研究对象,对其身体形态、机能、素质进行实证研究。
- The lithology and the weathering degree of the bed rocks are the main factors to determine their physical mechanical properties. 基岩的岩性和风化程度是决定其物理力学性质的王要因素。
- Its physical mechanism and vibrative characters are discussed in this paper. 总结出一次冲击地震动的特点、产生条件及形成机制。
- Like the ZEISS lenses for motion picture, ZF lenses feature unusually high mechanical quality, fixed focal length, very precise manual focussing, reliability, and exceptional durability. 如同电影用的ZEISS镜头,ZF镜头的特色就是非常高的机械品质,固定焦长,非常准确的对焦系统以及高度可靠性,并且非常耐久。
- This study demonstrated that calcium phosphate cements displayed identical behaior to PMMA cement with respect to in itro mechanical qualities. 因此,从力学观点来说,除PMMA外,磷酸钙水泥可以用来进行椎体后凸成形和预防性椎体后凸成形术。