锌

In this paper, the dezincification corrosion resistance of Mg-Sb brass was investigated by the methods of dezincification corrosion depth testing, optical microscope, SEM and XRD.

采用脱锌腐蚀深度测量方法、光学显微镜、SEM和XRD等分析方法，研究了镁锑黄铜的脱锌腐蚀性能和添加少量Sn、Al元素对其耐腐蚀性能的影响。

Characteristics of crystallization and microstructure were analyzed by X-Ray diffractometer and transmission electron microscope respectively.

最后於不同沉积功率参数的氧化锌薄膜应用奈米压痕系统测试其机械性质，目的在於了解氧化锌薄膜之硬度与杨式系数等机械特性的表现。

As a preliminary work we prepared bisorganozinc halides directly from diiodide and zinc powder, and investigated their reaction with acyl chloride to give diketone, the reaction mechanism also proposed on the basis of experiments and the literatures.

第三章：带官能团的双有机卤化锌试剂和酰氯的反应研究本章首次探讨了带官能团的双有机卤化锌试剂的制备及其与芳香族酰氯的反应研究。

In this study,we have identified C2H2 ZFP genes in the silkworm,and acquired the basic information for these genes,such as gene distribution on chromosome,gene family information and expression information.This information will be useful for further functional studies on these genes.

综上所述，本研究对家蚕基因组中的C2H2型锌指蛋白基因进行了鉴定，并通过分析获得了这些基因的基本信息，即染色体分布、基因家族信息和基因表达信息等，这些信息为进一步对家蚕C2H2型锌指蛋白基因进行功能研究打下了基础。

In the practice of mineral process, the dotation of marmatite is one of the dii'l'iculL problems of polymetal sulphide separable flotation, which makes it difficult to increase the recovery of zinc mineral at the marmatite mine in wenshan ,which makes it even more difficult because of its ore characteristic.

选矿实践中，铁闪锌矿的浮选是目前多金属硫化矿分离的难题之一，文山铁闪锌矿的浮选回收率及品位由于矿石特性所致，要使其达到较好的指标，具有较大的难度。

Numerous studies have shown that Zinc may support healthy immune system function. Elderberry and Echinacea are synergistic herbal ingredients that complement Zinc's nutritive properties.

大量的事实表明，锌具有支持健康免疫系统的功能，接骨木和紫锥花的草本增强效作用加强了锌的全面营养作用。

At last the application of rare earth additive in electrodeposition of zinc and zincnickel alloy has been studied.

最后对稀土在电沉积锌和锌镍合金技术中的应用进行了研究。

This is equivalent to 202,500 metric tons of zinc and 11,400 tons of nickel--about 41% of LME zinc stocks and 7% of nickel inventories.

如此大的量，似乎给基本金属期货带来一些压力。这相当于卖出20.25万吨锌和1.14万吨镍，分别为LME锌库存的41%和镍库存的7%。

SEM, TEM and XRD results showed that the reaction conditions, such as ultrasonic treatment, pH value of solution and ethylenediamine played an important role on the formation of dumb-bell ZnO.

用扫描电镜、透射电镜和X射线粉末衍射分析了氧化锌的形貌和结构，用紫外-可见吸收光谱和荧光光谱测定其光学性质，并初步探讨了哑铃状氧化锌的形成机理。

Thus the depth method was used to determine the corrosion rate of the ferroalloy with respect to the application in engineering.

熔融的液锌对Fe基合金有很强的腐蚀作用，判断Fe基合金的耐熔锌腐蚀性能对选择Fe基合金材料有重要的作用。

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。