Preparing thin solid film on the metal surface is one of the important methods to improve the metal properties.
在金属表面加工薄膜层是提高材料性能的重要途径之一。
Metal nanoparticles are the subject of intensive research efforts across the world, due to the differences in the optical properties they exhibit compared to bulk metals.
由于金属纳米粒子与整体金属相比所表现出来的光学特性差异，使其成为全世界深入研究的目标。
In the isolated state gallium salt and organic compounds are non-conductive but Hla and his colleagues have evidence that these two substances formed by the metal lines are superconducting properties.
在隔离状态下镓盐与有机复合物皆不导电，但Hla和他的同事们有证据表明由这两种物质组成的金属线有超导特性。
The DC electrodeposition method can be used to prepare highly ordered metal nanowire arrays that their structures and properties can be adjusted by controlling the pore sizes of the AAO templates.
直流电沉积法可用来制备高度有序的金属纳米线阵列，且通过控制模板孔径可实现对其结构和性能的调控。
The part of a metal that is not melted during cutting, brazing, or welding, but whose microstructure and physical properties are altered by these processes.
在经过切割、铜焊、焊接后，金属中没有熔融的部分，但其微观结构和物理特性已被改变。
Alloy steels are basically carbon steels with additional elements added to alter the characteristics and bring about a predictable change in the mechanical properties of the alloyed metal.
合金钢本质上是碳钢加上其它的元素来改变它的特性，而给合金金属带来一种预期的机械性能。
This paper derives the best range of thickness of the materials by analyzing the main factors influencing the sound absorption properties of porous metal materials.
通过分析影响多孔金属材料吸声性能的主要因素，推导出材料的最佳厚度范围；
The microstructure evolution, which is governed by temperature, strain and strain rate during hot metal forming, is a key factor to the mechanical properties.
金属在热成形过程中的微观组织演变是影响产品力学性能的关键因素，该演变过程取决于温度、应变和应变速率。
Heat treatment is the operation of heating and cooling a metal in its solid state to change its physical properties.
热处理是将金属在固态加热和冷却以改变其物理性能的操作。
The fine grain structure was built in the forging process, and the physical properties of the metal were improved.
锻件过程建造了精致的颗粒结构，并改进了金属的物理属性。
Mechanical properties of the weld metal Mechanical properties of the weld metal are not part of the classification.
焊缝金属的机械性能焊缝金属的机械性能不是分类中的一部分。
ALLOY, a mixture of a basic metal and small amounts of other metals to change the properties of the basic metal.
合金，在金属中加人少量其他金属，而改变其性质的一种金属混合物。
In addition, the essential mechanical properties of metal foam are introduced briefly.
此外，简单介绍了泡沫金属的基本力学性质。
Adding a back lining at one side of the porous metal material is an effective and workable way to improve its sound absorption properties.
而在多孔金属材料一侧添加背衬是一种提高吸声性能的有效可行的方法。
Simulating different solidification cooling rate with step-metal mould and sand mould, the effect of solidification cooling rate on microstructure and properties of high boron steel were studied.
利用阶梯型腔金属模和砂型模拟不同的冷却速度，研究了冷却速度对高硼钢凝固组织和性能的影响。
Are tensile bars used as a means of controlling physical properties of the metal?
是否使用抗拉试棒来控制金属的物理特性？
We can get better bandpass filtering properties by adjusting the size of metal sheet and the number of layers.
调节此滤波器的金属片的尺寸和介质片的层数我们得到了较好的带通特性。
This paper discusses the characteristics, preparations, properties, applications and development of nanometer metal materials.
综合论述了纳米金属材料的特性、制备、性能、应用及发展前景。
Forging refines the grain structure and improves physical properties of the metal.
铸造细化金属的晶粒组织、改善其物理性能。
The surface composition and morphology of hydrogen storage alloys have an important influence on the electrochemical properties of metal hydride electrodes.
贮氢合金的表面成分和形态对金属氢化物电极的电化学性能具有重大影响。
Physical properties (such as strength, ductility and toughness) are much better in a forging than in the base metal, which has crystals randomly oriented.
锻件的物理性能(如强度、延展性和韧性)远好于基础金属，因为基础金属的晶粒是无序排列的。
The metal-oxygen clusters have been employed to constructed novel molecules-based function materials owing to their particular physical chemistry properties.
金属氧簇以其具有的特异、优越的物理化学性质，已经成为构造新型分子基功能材料的重要无机构筑块。
The mechanical properties of the weld deposit shall not lie appreciably above those of the base metal.
熔敷金属的机械性能不应高于基材的机械性能。
A nonmetallic element, such as arsenic, that has some of the chemical properties of a metal.
准金属，类金属具有一些金属化学特性的非金属元素，例如砷。
Cold heading can improve the utilization rate of material, the productivity and themechanic properties of metal parts.
冷镦工艺可以提高材料利用率、生产率以及改善金属零件的机械性能。
The types of silane coupling agents, the mechanism of film formation, model of polymer-metal interface, the preparation of silane films and the properties of films and coatings were summarized.
综述了有机硅烷偶联剂的种类、成膜机理、聚合物-金属界面模型、薄膜制备、薄膜及涂层制品的性能。
Gadolinium is a metal with distinctive magnetic properties that increase its visibility during MRI scans. It is known to be toxic to the liver.
钆是一类具有特色的磁性能金属，能增强核磁共振成像的可见度。它对肝脏有毒害。
For the bar and wire endless rolling process, the welded area is required to have similar properties as the base metal.
棒线材的无头轧制工艺，要求焊接部位与基体具有同样的性能。
For the bar and wire endless rolling process, the welded area is required to have similar properties as the base metal.
棒线材的无头轧制工艺，要求焊接部位与基体具有同样的性能。
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