金属的

Nickel chromium alloy was cheaper than nickel, and its sputtering aggradation velocity was more than that of nickel, so the immediacy costs of sputtering nickel chromium alloy electrode was less than that of sputtering nickel electrode.

镍铬合金价格低于镍金属，溅射沉积速率也比镍金属要快，所以溅射镍铬电极的直接成本低于溅射镍电极。

System and method for preventing formation of dendrites in metal/air fuel cell, battery or metal recovery apparatus

防止在金属/空气燃料电池，蓄电池或金属恢复设备中形成枝蔓晶的系统和方法

Extraction technology of manganese and zinc from obsolescent alkaline cell and carbon-zinc battery was studied.

研究了废碳锌电池和碱性电池中金属锌和金属锰的回收。

Periodic Table Ⅵ B family had steel gray metallic luster of the solid metal transition elements, two kinds of polycrystalline and single crystal allotrope.

周期表中ⅥB族有钢灰色金属光泽的固体金属过渡元素，有多晶和单晶两种同素异形晶体。

1 In an appliance intended for permanent connection to the power supply by a metal-enclosed wiring system (such as rigid metal conduit or armored cable), all exposed dead metal parts and all dead metal parts inside the enclosure that are exposed to contact during any servicing operation (including maintenance and repair) and that are likely to become energized shall be conductively connected to the point at which the cable armor, conduit, and the like, is attached to the appliance.

27.1电器通过金属密封系统同电源永久性连接，所有的外露金属固定件及电器工作时，在外壳内裸露连接的金属固定件及那些可能带电的物体，都应在导电连接处加上作为电器附属物的保护壳，导管及类似的东西。

In this paper,the electrochemical reduction of CO2 by various metal electrodes in aqueous solution,organic solvent and molten salt media is reviewed,which includes reaction activity and mechanism of every kind of metal electrodes. The effect of electrode,temperature,pressure,electrode potential and electrolyte on the selective and Faradaic e...

综述了金属电极在水溶液、有机溶剂以及熔融体中电还原CO2的研究现况，包括各类金属在电还原CO2过程中所表现出的反应活性以及生成相应产物的反应机理；介绍了电极、温度、压力、电极电位和电解质等因素对金属电极电还原选择性及法拉第电流效率的影响；展望了CO2电还原的未来研究方向及应用前景。

The filter includes a cavity formed by metal hull, the inner of the cavity has a PCB double-faced board which fixed at the side wall of the metal hull, between the up and down inner wall there has a certain air height; one side of PCB double-faced board etches cross nodel line transmission line with destined type.

滤波器包括由金属壳形成的一腔体，腔体内设置一PCB双面板，PCB双面板固定在金属壳的侧壁上，与金属壳的上下内壁具有一定空气高度；PCB双面板的一面蚀刻有预定形状的十字节级联传输线。

According to the request of national regulation of verification of JJG259-1989 Standard Metal Tank and national technical specification of JJF1059-1999 Evaluation and Expression of Uncertainty in Measurement, the author adopted Type A and Type B uncertainty of evaluation methods. Standard uncertainty comes from various heft,liquid location difference in height of verified capacity measure,capacity of Gauge neck,difference in height of liquid location of gauge neck and standard capacity measurement.

根据JJG2591989《标准金属量器》国家检定规程和JJF1059-1999《测量不确定度评定与表示》国家技术规范的要求，通过采用不确定度A类和B类评定方法，具体分析包括被检量器的液位高度差，计量颈容量，计量颈液位高度差，标准金属量器等分量的产生及所引入的不确定度分量，从而获得标准金属量器测量结果的扩展不确定度。

The principles supply a basis for minerogenetic prediction of the major and world class multi-metal deposits in mid-Asian area, specially in Xinjiang. The author believes that the secondary order fault system with a space of 1000km control minerogenetic provinces that have potential for discovering world class deposits in mid-Asian area, and then points out that the two typical minerogenetic provinces are: southwest Tianshan area and Altay area.

通过对中亚地球物理场特征-基底构造-已知大型矿床分布规律的系统研究，论文着重探讨了在中亚地区寻找大型、超大型多金属矿床的基本原则：大型、超大型多金属矿床除受构造缝合线控制外，同时受三组基底构造的控制；大型、超大型多金属矿床位于&两隆两坳&构造缝合线的两侧和三组基底构造相交的复合部位。

The influence of heat input on microstructure and properties of weld metal and inclusions in weld metal were also studied in depth.

本文对微合金钢焊缝金属中AF组织的相变动力学和相变热力学进行了系统的研究，同时对热输入对焊缝金属组织及性能的影响和焊缝金属中的夹杂物也进行了深入的研究。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。