The current source includes a metal source, a buffer layer, a filter and a collector.
电流源包括金属源、缓冲器层、过滤器和收集器。
Moreover, as one of major ore-forming elements, copper isotope composition can directly trace ore-metal source and ore-forming process.
并且，由于铜是主要成矿元素之一，所以铜同位素对于成矿物质来源和成矿过程的示踪更为直接。
The third main source of supply is scrap: jewellery sold to dealers for the value of the metal.
第三大供给来源自黄金回收：首饰商按金属价值卖给金贩子。
Regulators should require disclosure of the source and growing conditions of tobacco used in all products and should consider product standards based on heavy metal content.
监管者应公开所有烟草产源，以及烟草产品中使用的烟草条件，同时考虑基于重金属含量的产品标准。
As the world's largest gold producer, China might decide to source the supplies from local mines and through refining scrap metal.
作为世界上最大的金黄生产商，中国可能决定其储备来源于本国金矿及通过提炼废旧金属。
Heavy metal pollution, including lead, zinc, and cooper may be caused by corrosion of the very pipes that carry water from its source to the consumer.
重金属污染，包括铅、锌和铜的污染可能正是由于把水从水源输送到用户的管道本身的腐蚀而引起的。
There are three components to this system: a large electrical power source, metal coils lining a guide way or track, and large guidance magnets attached to the underside of the train.
这种系统有三个组成部份：一个大电源、一条导向线路或轨道沿线的金属线圈、以及附加在列车下面的大导向电磁铁。
Laser as a heating source of high energy density of accurate control, can carry out multiple-sort strengthening treatment to the metal surface.
激光作为一种精密可控的高能量密度的热源，可对金属表面进行多种强化处理。
There also exists jet halo above pollution source of heavy metal, therefore it is of significance in environmental research to study the jet halo.
在重金属地质污染源的上方同样也可能形成重金属的射流晕分布，因此研究重金属的射流晕现象在环境研究中有重要意义。
The experiment shows that the gas ion source provides obvious pulverization for metal particles.
实验结果表明：气体离子源具有明显的细化金属颗粒的作用。
Phase transition, enhanced diffusion and Y-Al alloy formation are studied using Y implantation with high current extracted from metal vapor vacuum arc (MEVVA) ion source.
利用金属蒸汽真空弧（MEVVA）源所产生的强束流离子注入铝研究了相变、增强扩散和钇铝合金的形成条件。
In this paper, Development of liquid metal ion source for nanometer focused ion beam system is introduced.
叙述了为纳米聚焦离子束装置研制的镓液态金属离子源的制备。
The growing solution of DKDP crystal was synthesized firstly, then the source and possible introducing method of impurities were discussed by the measurement of metal ion impurity concentrations.
首先合成了DKDP晶体生长溶液，测定了合成溶液中部分杂质金属离子的含量，讨论了晶体生长溶液中杂质的可能来源和引入途径。
TITAN ion source is a new ion source which can produce strong metal and gas ion beam. Use.
TITAN离子源是一种新的能够同时产生强金属和气体离子束流的离子源。
In comparison with metal target LPP source, due to usage of gas-jet target LPP source, the reflectometer is debris-free and can continuously operate for a long time.
与金属靶等离子体光源相比，由于使用了气体靶等离子体光源，该反射率计具有低碎屑、可长期连续运行等优点。
The enhancement of charge state ion beam intensities in ECR2 ion source with metal tube is introduced in the paper.
叙述了用金属筒来增强ECR2离子源的高电荷态离子束流强度。
In this paper, we have described the manufacturing method of liquid metal Ga ion source (LMIS) and its properties.
本文叙述了液态金属镓离子源的制做方法和特性研究。
This area has the character of the porphyry copper multi metal metallogenic system of hypabyssal-super hypabyssal rock from deep source.
本区具深源浅成-超浅成斑岩铜多金属成矿系列特征。
Electrospray mass spectrometry has become the main target of which developed one of this paper, metal capillary electrospray ionization source of heating, developed a temperature control system.
其中电喷雾质谱仪成为主要研制对象之一，本文针对电喷雾源中的金属毛细管加热部分，研制出了一套温度控制系统。
The gun is composed of the liquid metal ion source of Ga, the tip microadjusters' assembly, the ion lens, and the electrostatic octopole deflector.
它由液态金属离子源，源尖微调装置，离子透镜及静电八极偏转器等组成。
The design and technical points of a molecular beam epitaxy apparatus with metal-organic source were described.
本文报道了金属有机源分子束外延设备的设计方案和技术特点。
A multi-cathode metal vapor vacuum arc (WEVVA) ion source has been designed. It contains an array of 18 cathodes, any of which can be switched into operation rapidly while under vacuum.
设计了一台多阴极的金属蒸气真空弧离子源，它有18个阴极，任一阴极都能在真空状态下被迅速接入电路工作。
Graphite which was used as evaporation source in early metal evaporation industry has excellent properties, such as excellent thermal conductivity, low resistivity, good resistance to thermal shock.
石墨材料作为早期蒸镀金属的蒸发源材料，具有许多优良的性质，如良好的耐高温性、热稳定性，良好的导电性，较好的抗热震性能等。
In this paper a microwave standard noise source which produces noise by healing a metal filament is described.
本文介绍了一种用加热金属丝来产生噪声的微波标准噪声源。
The relationships between VMS types, source of metal, host rock, volcanic rock types and tectonic setting have been studied in this paper.
研究了北祁连山造山带火山成因块状硫化物矿床（VMS）类型、金属来源与容矿围岩、火山岩类型及其构造环境的关系。
Uses: Oilfield well control operations, metal smelting and chemical industryes such as a heat source or heat radiation of high-temperature environments.
用途：油田井控制作业，金属冶炼及化工行业等有热源或热辐射的高温环境。
Emit needle is one of the key parts of liquid metal ion source, the working stability of ion source is affected directly by its character.
发射尖是液态金属离子源的关键部件之一，其性能的优劣直接影响到整个离子源的工作稳定性。
The control characters of pulse superposition power source and the effect on metal surface treatment were also discussed.
论述了脉冲叠加电源的控制特点及对金属表面处理工程起到的独特作用。
The control characters of pulse superposition power source and the effect on metal surface treatment were also discussed.
论述了脉冲叠加电源的控制特点及对金属表面处理工程起到的独特作用。
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