金属元素

Results indicates that PHEDP gun material surface metallization can lead chemical reaction between metallic element and interface, and thus generate compounds, form firm interface, even for heterogenic materials, which have big difference on structure, organization and properties.

研究结果表明，用脉冲HEDP法材料表面金属化，即使对于结构、组织和性质差异较大的异质材料界面，金属元素与材料界面也会发生化学反应，形成化合物，使得界面结合非常牢固。

On the other hand, Cu, Co and Ni are all present in manganese phase in the hydrogenic nodules.

这些过渡金属元素在成岩作用形成的结核中的存在与铁锰结核中锰矿物和铁的氧化物、氢氧化物的晶体化学特征密切相关，而在水成作用形成的铁锰结核中的富集与锰矿物和铁的氧化物、氢氧化物的晶体化学特征关系不大。

After adding different metal compounds (K2CO3, NaCl and Al2O3), the sludge ignition point had a certain drop and the characteristics combustion index are also changed, indicating the combustion performance of the sludge was improved. Different metal compounds behave different katalysis at different combustion stage. And K2CO3 performs stronger catalytic capacity than that of NaCl and Al2O3 in the whole process.

污泥添加不同金属化合物K2CO3、NaCl和Al2O3后，其着火点有一定的下降，对污泥的燃烧有促进作用；不同金属元素化合物的加入对污泥燃烧性能有一定的改善，并且在燃烧的不同阶段金属化合物表现出不同的催化能力，其中K2CO3的催化性能强于NaCl和Al2O3。

With two methods, plate cultivation and the novel semi-solid in situ cultivation method, strains belong to Family Leptothrix were isolated. XRF showed that the amorphous iron and manganese were two major metal elements of the precipitation formed by one strain of Leptothrix spp..

研究发现，铁细菌2号培养基为合适的分离培养基；采用平板涂布法分离出的2株氧化铁和锰的细菌，经系统发育地位的分析确定为纤发菌属；对运动纤发菌的产物分析确定无定形铁和锰为其主要金属元素；形态观察确定霍氏纤发菌呈树枝状鞘结构，而运动纤发菌呈蛛网状鞘结构。

The system consists of the following procedure: pre-concentration of metallogenic matter in living organisms in primary depositional basin; solution, absorption and concentration of metallogenic matter in organic matter and organic thermal fluid generated from organisms during lithogenesis; migration of metallogenic matter in organic thermal fluid from basin to mountain region and activation of metallogenic elements by organic matter and organic thermal fluids in sedimentary strata in mountain regions during basin compaction and mountain building; metallization due to reactions between inorganic fluid and organic fluid bearing metallogenic matter and because of reductions and absorptions by organic matter in mountain regions.

生物成矿系统的内容是：在原始盆地接受沉积时，生物对金属成矿物质就存在预富集作用；在成岩过程中，生物转化为有机质及有机热流体，对金属成矿物质存在溶解、萃取、富集作用；在盆地压实和造山活动中，盆地中有机热流体向造山带运移，此过程流体携带大量成矿物质，对金属成矿物质存在迁移作用，而处于造山带沉积地层中的有机物及有机流体对金属成矿元素存在活化作用；盆地有机热流体与造山带含金属流体会合，以及造山带有机质及有机流体对金属元素进行还原和吸咐，最终形成金属矿床，对金属成矿物质存在成矿作用。

The mineralogy, petrology, rare earth and trace element geochemistry, Re-Os and Sr-Nd isotopic geochemistry of the black shales and cherts of Yuretusi Formation at the bottom of the Cambrian in Xiaoerbulake and Shugeitebulake sections from northern Tarim Basin have been systematically studied. It was discovered that the high enrichment of some deep source metal elements in the black shales deals with the activity of hydrothermal fluid from the lower crust or upper mantal.

本项目对塔里木盆地北部肖尔布拉克和苏盖特布拉克两剖面下寒武统底部玉尔吐斯组富有机质黑色页岩和硅质岩的矿物学、岩石学、微量元素、稀土元素、Re-Os和Sr-Nd同位素地球化学进行了系统研究，发现该黑色页岩中部分深源金属元素的高度富集与来自盆地下部上地幔或下地壳的深部物源的热水流体作用有关。

But in cast multicrystalline silicon, the copper-precipitationtemperature was about 700℃, much lower than that in as-grown Cz silicon.

虽然都是快扩散的过渡族金属元素，镍在单晶硅中的沉淀性质在很多方面与铜不同。

Considering the functions of metal-organic frameworks and the synthesis conditions, we designed and synthesized six metal-organic frameworks based on rare earths by choosing multidentate organic carboxylate ligand, H3CTC, and using mild solvent vapor conditions.

在第二章中，我们利用半刚性的多齿有机羧酸配体——1，3，5-环己三酸与稀土金属元素合成了七个三维具有开放骨架结构的金属有机骨架晶体材料，由于稀土元素在光学和磁学方面的特殊性能，所获得的金属有机骨架材料不仅具有较好的吸附和储存性质，而且拥有金属中心赋予的独特的光学和磁学性能。

The contents of the six experimental metals were higher in underground parts than in overground parts.

结果表明，6种供试金属元素在水稻体内含量均为地下部＞地上部。

The invention relates to a molecular sieve, in particular to an aluminum phosphosilicate SAPO-34 type molecular sieve and the preparation thereof, wherein the SAPO-34 type molecular sieve contains zirconium ion as a modified metallic element.

本发明涉及一种分子筛，具体涉及磷硅铝酸盐SAPO-34型分子筛及其制备方法，在SAPO-34型分子筛中含有作为改性金属元素的锆离子。

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。