metal的例句大全

Main species of acidophile and their characteristics are introduced and advance in the study of their behavior in Nature, acid as well as metal resistance mechanism and molecular genetics is reviewed in this paper. Finally main application of acidophile in practical production is introduced.

介绍了嗜酸菌的主要类群及特征，阐述了它们在自然界的主要行为、适应酸和重金属的生理机制以及分子遗传学研究进展，最后介绍了嗜酸菌在实际生产中的主要应用。

Studies on the Transition Metal Catalyzed Cyclization and Addition Reaction of Acetylenes

过渡金属催化炔烃的环化及加成反应研究

Transition Metal Palladium-catalyzed Carbonylation of Acetylenes

过渡金属钯催化的炔烃羰基化反应新进展

The general character of these accidents was that it was the accumulation of heat induced by the high speed friction of the metal parts in machinery that ignited the emulsification matrix.

3起事故的共性是机械中金属部件高速磨擦产生的热积累最终引爆了乳化基质。

It is revealed that in the accelerating test conditions with high current density and high temperature, the Joule-heated effect must be taken into consideration, for the metal temperature auto-increases rather rapidly.

揭示了在加速试验（一定的高电流、高温）条件下金属化自升温较大，必须考虑焦耳热效应作用的原理；

In the paper, the research process is introduced that through established metal abrasion verity value, symbolic statistics theory is applied, and a new unitary linearity return module is set up.

介绍了南昌铁路局针对现行发射光谱分析金属磨损诊断理论的不足，运用数理统计原理通过建立金属磨损真实值，创建新的一元线性回归模型，完善发射光谱分析金属磨损诊断理论的研究过程。

Research on Emission Spectroscopic Analysis Metal Abrasion Diagnose Verity Value

发射光谱分析金属磨损诊断真实值规律研究

Gray spot; the toughness matching between base metal and weld; lamination and seperation of steel and abrasion hardness, etc.

内容包括焊缝沟腐蚀问题、灰斑问题、母材与焊缝的韧性匹配问题，钢材分层及断口分离问题以及硬度偏低引起的耐磨性问题等。

Analysis on the principle of metal friction and abrade wear

金属摩擦磨损机理剖析

The metal elements and forms of abradant were analyzed by AES and XRD.

磨料部分通过原子发射光谱和x射线衍射法进行金属元素及形态分析。

The plasma properties of laser ablated metal target in air

脉冲激光烧蚀空气中金属靶产生等离子体的性质

Nowadays, abaci are often constructed as a wooden frame with beads sliding on wires, but originally they were beads or stones moved in grooves in sand or on tablets of wood, stone, or metal.

如今，算盘往往建造在电线与滑动珠子木框架，但是最初他们是珠子或石头，在沙槽移动或木材，石头或金属片。

By brush plating Ni-P-Al2O3-carbon nanotubes was deposited on the surface of metal, so that composite nano-materi-aals was obtained.

采用电刷镀的方法，在金属零件表面沉积一层Ni-P-Al2O3-碳纳米管复合材料。

The detected techniques of burred metal pipelines are analyzed and evaluated by studying the production examples;

通过对生产实例进行研究，分析、评价了埋地金属管道检测技术；

The main toughening mechanisms are metal bridging, cleavage vein in the fracture surface and crack shielding caused by dislocations.

金属相和位错导致的解理及位错对裂纹的屏蔽作用是复合陶瓷刀具材料的主要增韧机理。

M-type pneumatic riveting hammer is mainly used for hot working of metal construction in bridge truss, mine car, and it is also used for other working place in which impact energy is to be required.

型风动铆钉机主要用于金属结构的热铆接工作，如桥梁、衍架、矿车等铆接工作，也可用于其它需要冲击能量的工作场合。

Metal furniture highlights its texture and restore ancient ways noble.

金属复古家具凸显其质感与高贵。

The paper analogizes the features of metal belt drives and discusses the techniques to carry out an accurate transmission in long distance.

比较了几种长距离传动方式的特点与适用场合，重点探讨了实现长距离精密传动的技术要点。

Active brazer is key to the brazing of ceramic to metal.

陶瓷-金属活性法连接的关键之一是活性钎料。

Research and trend of active brazer for ceramic-metal joining

陶瓷-金属连接活性钎料的研究与发展