查询词典 mechanical

Since the polymer bar material has a lower mechanical impedance than the concrete specimen, spalling can be produced in the concrete rod after the compressive wave in the concrete specimen is reflected back as a tension wave at the concrete/buffer bar interface.

由于波在粘弹性材料中的弥散效应，吸收杆中透射波形会发生变化，但三维有限元分析表明，在利用吸收杆上透射波确定混凝土层裂强度时弥散产生的影响可以忽略。

The changes in molecular weight, mass, mechanical strength, microstructure of fibers and pH value of the buffer solution with time in vitro had been studied.

通过对试样的性能测试和形貌观察，研究了PDLLA／HA复合纤维在降解过程中其分子量、重量和力学性能以及缓冲溶液pH值等一系列参数的变化规律，并探讨了复合纤维的降解机理。

We studied the mechanical properties and surface hydrophilicity of PCL-co-PBCL and PCL-co-PCCL, and the degradation behavior in vitro of them was also evaluated in different pH value phosphate buffer solutions.

研究了两种聚合物的力学性能、表面亲水性及其在37 ℃温度下在不同pH值的缓冲溶液中的降解行为。

CITIC Securities report said that the full implementation of VAT will be thickening of corporate profits, a relatively large amount of investment in fixed assets of the mechanical equipment, petrochemical industry, building materials and iron and steel industry and other industries will get a larger tax deduction.

中信证券报告说，全面实施的增值税将增厚公司利润固定资产的机械设备，石化业投资额较大，建材和钢铁工业等行业将得到更大的减税。

In this paper, enhancing the burning point and improving the corrosion resistance and the mechanical property of magnesium and magnesium alloy with the method of alloying are introduced .

论述了采取合金化的途径，提高镁及其合金的燃点，改善镁及其合金的耐蚀性以及力学性能。

The mechanical effect of the crack initiation and propagation under a residual stress field is analyzed, and then the residual stress redistribution because of cracking in the welded residual stress field in a plate butt welded joint is successfully calculated by means of the elasto-plastic finite element method .

分析了在残余应力场中裂纹产生和扩展所引起的力学效应，并成功地运用弹塑性有限元方法计算了平板对接接头焊接残余应力场中裂纹扩展引起残余应力的变化。

The weldability, deposited metals mechanical properties and purity of the new developed shell butt welding SAW material as the same level compared with Kobe Steel US-521HD/PF-500D.

研制的容器主焊缝埋弧焊材与国外典型的埋弧焊焊材在焊接工艺性能和熔敷金属力学性能及纯净度方面对比，结果表明研制焊材与日本神户制钢所的US-521HD／PF-500D焊材相当。

The investigation shows the potassium titanate whiskers and calcium sulphate whiskers can improve the mechanical properties and heat resistance.

结果表明，硅烷（KH-921）和钛酸酯（NDZ311）对钛酸钾晶须的表面改性效果较好；硫酸钙晶须经硅烷改性后，性能也能得到一定程度的提高。

Conclusion］To some extent,Calcium Sulphate has mechanical supportive effects on cancelloues bone defect in spite of the absorption and degradation of Calcium Sulphate.

结论］在硫酸钙降解吸收、缺损区骨修复过程中，其对包容性骨缺损具有一定的力学支撑作用。

Job RequirementJunior college or above 5 year+ experience in assembly line QC Experience in using various measuring devices as, caliper, thermometer, vacuum gauge and other.Basic knowledge of FRP and composite materialBasic knowledge of mechanical plastic and metal parts assembly experienceBasic computer skill, especially on Windows excels, and word.

职位要求中专以上，有测量专业或测量经验更佳，5年以上玻璃钢，复合材料相关装配和在线检验经验具有基本的玻璃钢和复合材料知识熟练使用游标卡尺，温度计，真空表等检测工具基本电脑技能，熟练运用微软电子表格和文字处理软件。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。