Trading in metals is not suitable for many members of the public.
金属交易并不适合所有人。
The EDM process is valued for its ability to machine complex shapes in metals of any hardness.
电火花加工的可贵之处在于它可在任何硬度金属上加工复杂形状。
For geological reasons it happens that a locality rich in metals will seldom be rich in coal or oil.
由于地质原因，富有金属的地区往往恰巧很少富有煤或石油。
In this paper, a physical model of the structure and attenuation of shock waves in metals is presented.
本文给出了研究金属中激波构造与衰减的一个物理模型。
This was a city built by workers who gained a worldwide reputation for their craftsmanship in metals and steel.
这是一个由工人建造的城市，这里的工人在冶金和炼钢领域的技能享誉世界。
In-situ observation in HVEM is very important and available for crystal defect research in metals and other material.
高压电子显微镜的原位技术是研究金属和其他材料中晶体缺陷的一种重要的、有效的方法。
HGMC has a group of resource potential of mining right, minerals involved in metals, precious metals and non-metallic.
公司拥有一批具有资源潜力的矿业权，矿种涉及金属、贵金属和非金属。
The manner in which grains in metals disappear is basically the same as that of soap bubbles in a semi-evacuated container.
晶粒消失的过程与在半抽真空的容器中，肥皂泡消失的过程基本上相似。
The emergence of superconductivity in certain metals when cooled below a critical temperature is an example of a phase transition.
当温度降至临界温度以下，某些金属会突然失去电阻，出现超导现象，这就是相变的一个例子。
The cardinal cause of hydrogen Embrittlement in metals is that hydrogen affects motion, distribution and structure of dislocation.
金属材料氢脆的根本原因是氢对位错运动、分布和结构的影响。
Similarly, in the world of seabed geology, if a sulphide deposit is massive, it is not necessarily big, but formless and rich in metals.
同样，海底地质认为，如果硫化物矿床是巨大的，并不需要其体积大，只需其不定型和其金属含量高。
In this investigation recrystallization in metals was first used to study the plastically - deformed zone induced by cold cracking in welds.
本试验首次采用再结晶显示金属内塑性变形区的方法观察分析了焊接接头中冷裂纹产生的塑性变形区域。
So far most surveys have backed up the theory: stars rich in metals, such as our Sun, are much more likely to have planets than stars that don't.
到目前，大多数的调查都是支持这一理论：像我们的太阳一样，那些金属富饶的恒星会比其他恒星更有可能拥有行星。
The stresses produced by continual movement, and even intense noise, cause fatigue, the cracking and breaking that occurs in metals under constant flexure.
持续的运动甚至是强烈的噪音产生的应力会导致疲劳、不断弯曲的金属出现的裂缝和破损。
Dynamic Strain Aging (DSA) is a strengthening phenomenon in metals and alloys caused by the interaction between the diffusive solute atoms and the moving dislocation.
动态应变时效是在金属和合金中，移动着的溶质原子和运动中的位错发生交互作用时所出现的一种强化现象。
This product is suitable for fixing and throwing light whet superficially after welding and before it in metals lamella and small scaled steels incise metals and marbles.
本产品适用于焊接前坡口及焊接后缝焊表面的修磨，金属薄板及小型钢的切割，金属及大理石表面的修磨，除锈抛光。
In this paper, the mechanism of hydrogen absorption and diffusion in metals and the electrochemical methods for the investigation of metal-hydrogen systems are extensively reviewed.
本文对氢在金属中的吸附、扩散机制以及现存的各种电化学渗氢实验研究方法进行了综合评述；
Trapping these systems in periodic potential wells made by intersecting light beams yields optical lattices in which atoms behave as electrons in metals, albeit at a quite different scale.
在周期势阱中研究这个系统，发现相干光产生光学晶格能够使原子具有了金属中的自由离子的性质，尽管看起来截然不同。
Based on the strain superposition principle, the phenomenon of mean stress reduction in metals plastic processes with vibration is explicated. and the mechanism of volume effect is described.
基于应变叠加原理的基本思想。阐释了金属振动塑性加工平均应力减小的原因，给出了体积效应机理的数学描述。
In order to be purified, or combined into alloys, metals must be melted.
为了净化或合成合金，金属必须熔化。
Agronomists studying the herb have discovered that it produces large amounts of histidine, an amino acid that, in test-tube solutions, renders these metals chemically inert.
研究这种药草的农学家发现，它会产生大量的组氨酸，这种氨基酸在试管溶液中会使这些金属具有化学惰性。
They can thrive in soil with high concentrations of metals that are toxic to most other plants.
它们能在含有对大多数其他植物有毒的高浓度金属的土壤中茁壮成长。
These asteroids are like the terrestrial planets, in that they're composed mostly of rocky material and metals.
这些小行星像类地行星一样，主要由岩石物质和金属构成。
The value of the metals, like gold and silver in the waste around the world, is amazing.
像世界各地废料中的金银这类金属，价值惊人。
The market for recycled commodities like aluminum and other metals remains strong despite economic changes in the recycling industry.
尽管回收行业发生了经济变化，但铝和其他金属等回收商品的市场依然强劲。
Many are found in tropical and subtropical areas of the world, where the accumulation of high concentrations of metals may afford some protection against plant-eating insects and microbial pathogens.
许多超富集植物被发现于热带地区和亚热带地区，在那里，高浓度金属元素的积累可以为植物提供保护来对抗以植物为食的昆虫和细菌病原体。
Charles Boutron is an expert on the impact of heavy metals on the environment at the National Center for Scientific Research in France.
查尔斯·布特隆是法国国家科学研究中心的一名专家，研究重金属对环境影响。
Charles Boutron is an expert on the impact of heavy metals on the environment at the National Center for Scientific Research in France.
查尔斯·布特隆是法国国家科学研究中心的一名专家，研究重金属对环境影响。
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