This sediment layer is enriched in the rare metal iridium and other elements that are relatively abundant in a meteorite but very rare in the crust of Earth.
这一沉积层富含稀有金属铱，以及其他在陨石中较丰富而在地壳中十分罕见的元素。
Simply flanking the piezoelectric layer with thin concentric layers of metal would not work because metals tend to have a low viscosity.
仅仅在两侧安放压电层和薄薄的同心金属层是起不了多大作用的，因为金属的粘度很低。
If you look at a (chip) packet, what you've got is a plastic film, a few layers of inks and a printed metal layer to keep the materials fresh.
仔细观察一下(芯片)包，你会发现它们实际上就是由一层层塑料膜构成的，有的上面涂上了颜色，有的上面镀上金属，防止材料被腐蚀。
The connections between the spherical gaps in the sponge are then enlarged, using a technique called electropolishing to dissolve the surface layer of the metal.
通过采用一种叫电解抛光的技术来溶解金属的表层，使得海绵中球体间隙的连接被扩大了。
‘For example, we can put something such as sodium in the core, mixing with a transition metal and then coated with a protective outer layer. I don’t think you could make these by any other means.
例如，我们可以将钠与一种过渡金属作为内核，并在外面包裹一层保护层。
Melosh's group figured out that by coating a piece of semiconducting material with a thin layer of the metal cesium, it made the material able to use both light and heat to generate electricity.
Melosh的研究小组发现用薄层的金属铯覆盖在一片半导体材料上，能够使材料同时利用光和热能来产生电力。
Instead of a layer of glass (which is at the foundation of most displays available currently) the next generation of e-readers will have lightweight screens that are based on a metal foil.
下一代电子阅读器的屏幕不再是一层玻璃(像当前大多数显示器的基材那样)，而是基于一种金属箔的轻质屏幕。
Light sent into the oil layer was confined there, bouncing between the metal and air boundaries. The beam spread out ever more quickly, generating a trumpet-shaped glow (see image).
当把光传入油层后，就被约束在那里，光线在金属和空气的边界之间不断反弹，于是产生了喇叭状的辉光(见图片)。
This consists of two electrically charged metal plates separated by an insulating layer.
这由被绝缘层隔开的两个带电金属板组成。
The backing material must be as smooth as possible, and the circuitry sealed beneath a layer composed of a polymer-metal-polymer sandwich.
这种电路的基板材料也非常平滑，在这个电路的下次是由聚合物-金属-聚合物这种类似三明治的夹心结构组成的。
Conversion film: chemical or metal electrochemical treatment by the formation of the contains the metal surface membrane layer of the compounds.
转化膜：对金属进行化学或电化学处理所形成的含有该金属之化合物的表面膜层。
Electroplating: use the principle of electrolysis, the metal and alloy parts deposition in the surface, form even, density, good adhesion of the metal layer process.
电镀：利用电解原理，使金属或合金沉积在制件表面，形成均匀、致密、结合力良好的金属层的过程。
The microstructure between alloy transition layer and base metal has been studied.
研究分析了合金过渡层与金属基体接合界面组织结构。
From inner to outside, the composite pipe consisted of alumina ceramic layer, metal transition layer, white cast layer, carbon atom diffusion layer and nodular cast iron layer.
复合管从里到外由氧化铝陶瓷层、金属过渡层、白口铸铁层、碳原子扩散层、球墨铸铁层组成。
Compared with other conductive metal layer, copper coating with small with stress, high mechanical strength, the plastics substrate and coating binding force is good wait for a characteristic.
与其它导电金属层相比，镀铜层具有应力小、机械强度高、塑料基体与镀层结合力好等特点。
The inner surface at one open end of the plastic layer has the thread, and the thread on the plastic layer is connected with the thread on the metal insert.
上述塑料层的一开口端内表面开设有螺纹，该塑料层上的螺纹与金属嵌件上的螺纹相连接。
The pin rectangle encloses the grid intersection point on all four sides by half the minimum metal width of that pin shape layer.
引脚围绕网格交叉点成矩形，在引脚图层通过最小金属宽度的一半指向所有四边。
The experimental results show that the surface hardened layer consists of non-full transformation area which is adjacent to the base metal and surface full transformation area.
实验结果表明，合金铸铁光束表面相变硬化层由与基材相邻的不完全相变区及表面完全相变区组成。
The outer layer consists of black exterior metal panels that are designed to accommodate thin photovoltaic panels.
外层由黑色的外部金属板组成，设计它用于容纳薄的光伏电池板。
To plate metal is to cover it with a thin layer of gold, or silver, etc.
电镀金属就是把金属薄薄地覆盖上一层金或银等。
Try to replace the metal -nanocluster layer with different material and make some basic progress in expanding the structure and process of device fabrication .
并尝试替换器件的中间金属纳米层，为拓展器件结构和制作方法做出一定的尝试性工作。
As you can see from previous image I have a Base metal layer below Red metal.
正如你在前面的图里看到的，我有一层基本金属层在红色金属下面。
The use of acid-base and humid environment on the corrosion of metal plating layer to test the corrosion resistance.
利用酸碱和湿热环境对金属的腐蚀性来测试电镀层的抗腐蚀能力。
In yet another embodiment, metal layer (16) is a damascene copper layer.
然而，在另一个实施例中，金属层(16)是镶嵌铜层。
The metal-plastic composite nut, according to Claim 1, is characterized in that the injection molding of metal insert and complete plastic layer.
根据权利要求1所述的金属塑料复合螺帽，其特征在于所述金属嵌件与塑料层整体注塑成型。
Immediately below the oxide film and often mingled with it in an intricate way is the true surface layer of the metal.
氧化膜的下面就是真正的金属表层，氧化膜常常与金属表面层以复杂的形式混合在一起。
The key of the technology is to coat a solid CK electrolyte layer on the metal surface in atmosphere condition.
该技术的关键是在处于气相环境中的金属表面上涂敷一层CK固体电解质。
The key of the technology is to coat a solid CK electrolyte layer on the metal surface in atmosphere condition.
该技术的关键是在处于气相环境中的金属表面上涂敷一层CK固体电解质。
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