熔融金属

By the way of melting the filler will also bring the diffusion and the capillary attraction, and that the same or different kinds of metal can be welded well without melting the original material, especially the different ones and the complicated shapes.

利用真空硬焊制程来克服Al、Cu焊接时所产生的困难，藉由填料熔融产生原子扩散及毛细现象在不熔融母材的情况下结合同种或异种金属，尤以异种材质的接合或形状复杂难以接合的工件，皆可达到良好的接合效果。

A preparation method of nickel oxide-base cathode of fused carbonate fuel cell is to select alkali earth metal oxide, transition metal oxide and rare-earth metal oxide, mix with carbonyl nickel powder in the proportion of 0.01-15.00 mol%, add assistant and mix even into a slurry; after the slurry is formed into a biscuit by doctor-blade casting, sinter it into a multi-porous nickel plate; dissolve lithium nitrate and cobaltous nitrate with mole ratio of Li:Co-1:1 and citric acid or PVA in the distilled water to make a solution with Li of 0.00-0.5 mol/L; immerse the multi-porous nickel plate or nickel oxide plate in the solution, keep for 10-60 minutes under vacuum below 200 millibar, then dry in an oven at 75 degrees centigrade further transfer to a crucible electric furnace preheated 650 degrees centigrade for keeping the temp.

要約 熔融碳酸盐燃料电池氧化镍基阴极的制备方法属于燃料电池领域。选取碱土金属氧化物、过渡金属氧化物和稀土金属氧化物，按0.01－15.00mol％的比例与羰基镍粉混合，加入助剂，混合均匀成浆料；混合浆料流延成型为素坯后烧结为多孔金属镍板；将摩尔比为Li∶Co＝1∶1的硝酸锂和硝酸钴以及柠檬酸或聚乙烯醇溶于蒸馏水中，制成为0.005－0.5mol/L的溶液；将多孔金属镍板或氧化镍板浸入溶液中，在真空度低于200毫巴下保持10－60分钟；置于75℃的烘箱中烘干，转移至预热到650℃坩埚电炉中保温1－10小时；将此过程重复一次或多次即可。

It is predicted that the function of mold oscillation can be substituted by imposition of an intermittent high frequency magnetic field in continuous casting of steel.

在间歇式高频磁场作用下，通过高速数码摄像机观测并研究了熔融金属弯月面的形状及其波动行为，建立了保护渣浸入深度的理论计算模型。

All surfaces of a sinking roller and a supporting roller to be in contact with a molten metal are coated with iron silicide films.

与熔融金属接触的浸入式辊和支承辊的所有表面涂以铁的硅化物薄膜。

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。

Analysis of the dynamic process of core degradation, debris relocation within the reactor vessel, molten pool formation, reactor vessel melt-through and corium relocation into the core catcher is executed with the computer codes SCDAP/RELAP and MELCOR, and the reaction among the corium, the sacrificial material, and the metal material, as well as the thermal and hydraulic characteristic of heat exchanger is experimentally studied.

在田湾核电站堆芯捕集器的设计中，综合采用了压力容器外包容装置、非能动供水冷却堆芯熔融物包容体金属表面以及用&牺牲性&材料改善熔融物特性和降低热流密度等项技术；利用SCDAP/RELAP和MELCOR两个独立的程序包分析了压力容器内堆芯的损坏、碎片的分布、熔池的形成、压力容器熔穿和熔融物转移到堆芯捕集器等的动态过程，并对堆芯熔融物、&牺牲性&材料、金属材料等之间的物理、化学反应和热交换器的热工水力特性进行了实验研究。

Therefore, the melts and coalesces of Al during the combustion process can inhibit diffusion of nitrogen from outside due to collapse of the pores.

由于金属铝的熔点较低660℃，而金属锆的熔点较高1855℃，在燃烧反应的高温下，金属铝要熔融团聚，阻碍氮气向试样内部的渗透。

This gap accommodates a conduit for pressurizing and moving a flow of molten metal.

此间隙容纳一个管路，用于增压和移动一个熔融金属流动。

The thesis are divided into two parts. In the first part, we used 2,4,6-trichloro-1,3,5-triazine as the precursor to react with sodium which have been achieved by decomposing sodium hydrate at 623 K. At a low reaction temperature of 623 K, carbon nitride nanosphere、porous carbon nitride material and byproduct sodium chloride, would be produced.

本研究将分成两部份，第一部分是在低温下(623 K)将氢化钠粉末热裂解，生成表面积较大的熔融态金属钠，使气态的氰尿醯氯通入与熔融态金属钠在623 K反应，生成奈米氮化碳球、奈米孔洞性氮化碳材料及副产物氯化钠。

But once I got up to speed I could hear molten metal hitting the aluminum ducting that I was using as a shield.

但是，一旦我得到最多的速度我可以听到熔融金属打铝管道，我是用作为挡箭牌。

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。