| 1. | In 2004 , rare earth and rare dispersed element high - tech & new material industrialization base was set up in the company with liaoyang people ' s government and liaoning university 2004年辽阳市人民政府与辽宁大学在我公司共建了“稀土及稀散元素高新材料产业化基地” 。 |
| 2. | Taking the tianbaoshan and daliangzi pb - zn deposits as examples , this thesis discusses the occurrence state and enrichment mechanism of dispersed elements in the mvt pb - zn deposits 本文以天宝山、大梁子矿床为例,探讨mvt铅锌矿床中分散元素的赋存状态及富集机制。 |
| 3. | Based on observation of many polished and thin sections and analyses of electron microprobe , the author suggests that dispersed elements in both the tianbaoshan and the daliangzi deposits occur as isomorphism 大量光、薄片观察和电子探针分析表明,天宝山、大梁子铅锌矿床中分散元素主要以类质同象形式存在。 |
| 4. | Silicon grating is a principal dispersing element to fabricate micro spectrometer . the development and application of silicon grating is introduced , especially the use in micro spectrometers 硅光栅可以作为制作微型光谱仪的一种主要色散元件,介绍了国内外硅光栅的发展现状及其应用,尤其是在微型光谱仪中的应用。 |
| 5. | Nanotechnology permanent address oil evenly dispersed elements in every aspect of the pre - start before the engine friction protection and avoid machine dry friction . superior high and low temperature performance 纳米技术处理油分子均匀永久分散,在每一次启动前已对发动机磨擦部位预先保护,彻底避免机器干磨擦,优越的高、低温性能。 |
| 6. | Cd chiefly occurs in sphalerite with moderate to light colors , while ga and ge are mainly enriched in galena . predominant amounts of the dispersed elements occur at the middle and late stages of the hydrothermal ore - forming epoch Cd主要赋存在浅色和中色闪锌矿中,而ga 、 ge主要赋存在方铅矿中,分散元素在热液成矿期的中、晚阶段大量富集。 |
| 7. | Under favorable physico - chemical conditions , dispersed elements such as cd , ge , and ga that were co - transported with pb and zn may have replaced corresponding ions and accumulated as the mode of isomorphism 与pb 、 zn金属一起迁移而来的cd 、 ge 、 ga等分散元素在有利的物化条件下便以类质同象的方式替代相应离子而进入闪锌矿、方铅矿的晶格并逐渐富集成矿。 |
| 8. | Huize pb - zn - ge - cd deposit is a typical ore deposit occurred in sichuan - yunnan - guizhou lead - zinc metallogenic area . the enrichment coefficient of ge and cd in main ore body reaches 6978 and 3640 respectively , which shows that dispersed elements have a special geochemical behavior in this area 会泽铅锌锗镉矿床,是川滇黔成矿三角区富分散元素铅锌矿床的典型代表,其主矿体中锗、镉的富集系数分别可达6978和3640 ,显示了分散元素在该区有着独特的地球化学行为。 |
| 9. | This thesis initiates a study about the thermal - hydraulic research for the target structure and optimization . investigating the target research work at home and abroad , we acquire their design gist and technological developing route in the according fields . comparing the numerical - calculational methodology of multi - physical such as finite difference method , boundary element method , disperse element method and finite element method , finite element method is the predominant methodology , we have appliance of this method to calculate fluid field thermal field and stress field 针对靶区的结构设计,开展热工水力学研究工作;调研国内外靶区的研究现状,了解靶区的设计依据、技术发展路线及发展趋势;调研多物理场的数值模拟方法-有限差分法、边界单元法、离散单元法、有限元方法等等,其中最有效地方法是有限元方法;简述有限元方法在流场、温度场、应力场计算中的具体应用。 |
| 10. | Dispersed elements like cd , ge , and ga were transported in the form of chlorine complexes or adsorbed by chlorine complexes of pb and zn . thermal degradation of organic materials resulted in the generation of ch4 which further initiated the reduction of sulfates and the precipitation of sulfides Cd 、 ge 、 ga等分散元素可能形成了部分氯化物络合物或者被pb 、 zn的络合物吸附而随之一起迁移;含矿热液带来的热能使矿化围岩中有机质发生热降解作用产生甲烷,从而导致硫酸盐的还原和金属硫化物的沉淀。 |