金属氢

The apparatus used for the reduction and reoxidation of Fe3O4-Mo, Fe3O4-Al, Fe3O4-Cr, Fe3O4-W and Fe3O4-none samples was a value system of the performance of hydrogen storage with a fixed bed of the samples at the center of a quartz-made tubular reactor.

以金属Mo，Al，Cr，W可溶盐为添加物，通过共沉淀法由FeCl3和（NH4）2Fe（SO4）2·6H2O的水溶液制备了单金属添加的Fe3O4改性储氢材料。

The effect of ion exchange of Y-MCM-41 on the hydrogenation activity of Pd-Pt/Y-MCM-41 in tetralin hydrogenation reaction was examined wit...

结果表明，采用不同离子交换处理的载体所制备的催化剂，其金属的负载量、金属与载体间的相互作用存在差别，从而影响催化剂的加氢活性和选择性。

In this paper,the discussion is emphasized on the following process flowsheets in Chinese nickel metallurgy,such as the current smelting of low nickel matte with electric furnace and flash furnace concerting of high nickel matte with concterer separation of nickel from copper in grinding and flotation process anode electrolyting of nickel sulphide;two stage counter current ...

本文重点论述了我国镍冶金现有的电炉、闪速炉熔炼低冰镍－转炉吹炼高冰镍－铜镍磨浮分离－硫化镍阳极电解；高冰镍两段逆流硫酸选择性浸出－黑镍沉钴－电积；二次镍精矿制粒－沸腾焙烧生产氧化镍等工艺流程。同时，介绍了我国自行研究开发的高冰镍氯化精炼；焙烧－氨浸－氢还原；镍精矿微波脱硫－热等离子体熔炼高冰镍；大洋多金属结核常压氨浸和硫酸选择性浸出回收镍等有价金属的新工艺新技术。

This paper has studied to make use of the electrolyzing method in both chambers that is divided by anion—exchanging membrance based on the past ways of nanoscale materials being invented , to produce the depositions of hydrate and hydrated oxide which are calcined to become the nanoscale oxides.

本文在借鉴以往较成熟的纳米材料制备方法的基础上，着重研究了利用以阴离子交换膜为隔膜两室电解的方法，在阴极室得到制备其纳米金属氧化物的氢氧化物或氧化物沉淀的前驱体，在高温焙烧得到其纳米金属氧化物。

From the analysis of FT-IR spectra, XRD patterns and SEM morphologies, the special functions of the chelating agents as follow: citric acid chelates metal ions, EDTA adjusts pH values and ethylene glycol polymerizes complex and replaces hydrogen bonds in SBT sol solution.

利用红外光谱、X衍射及扫描电镜等手段，证明柠檬酸主要起络合金属离子作用；EDTA除辅助交联金属离子外，主要用于调节pH值；而乙二醇用来聚合柠檬酸和EDTA，防止氢键产生，起稳定溶胶作用。

The catalyst under high temperature hydrolysis into fatty acids and glycerol, with the metal oxides can happen saponification reaction, Formation of metal soap and glycerin, but also for halide, sulfate, sulfonation, oxidation, hydrogenation, polymerization and pyrolysis reaction.

可在催化剂作用下高温水解成脂肪酸和甘油，与金属氧化物能发生皂化反应，生成金属皂和甘油，还可进行卤化、硫酸化、磺化、氧化、氢化、聚合、热解等反应。

In the metallurgical in dustry, hydrogen is used to reduce metal oxides and prevent oxidation in heat-treat in g certa in metals and alloys.

在冶金工业，氢用于在热处理特定金属和合金时还原金属氧化物和防止氧化。

In the metallurgical industry, hydrogen is used to reduce metal oxides and prevent oxidation in heat-treating certain metals and alloys.

在冶金工业，氢用于在热处理特定金属和合金时还原金属氧化物和防止氧化。

In the metallurgical industry, hydrogen is used to reduce metal oxide s and prevent oxidation in heat-treating certain metals and alloys.

在冶金工业，氢用于在热处理特定金属和合金时还原金属氧化物和防止氧化。

In the metal lurgical industry, hydrogen is used to reduce metal oxides and prevent oxidation in heat-treating certain metal s and alloys.

在冶金工业，氢用于在热处理特定金属和合金时还原金属氧化物和防止氧化。

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。