金属的

A cable railway on a steep incline, especially such a railway with simultaneously ascending and descending cars counterbalancing one another.Each of these logic families, TTL, ECL, PMOS, NMOS and CMOS, has a specific set of characteristics that make it desirable for certain applications.

每一种逻辑元件，晶体管一晶体管逻辑电路、发射极耦合逻辑电路f 型金属氧化物半导体、n 型金属氧化物半导体和补充金属氧化物半导体，都有其特有的性质，从而适用于不同的用途。

Mercury is regarded as the most toxic element, and then is the cadmium, lead and other elements.

在常见的金属中，汞被认为是毒性最强的金属，其次是镉、铅和其他金属。

This thesis is mainly about the research on the synthesis, structures and reactivity of di-or tri-metal bridging carbene and bridging carbyne complexes

过渡金属桥卡宾和桥卡拜络合物本身即为简单的金属原子簇化合物或是合成金属原子簇化合物的重要前体，在有机合成和烯炔烃的聚合和异构化等催化反应中有广阔的应用前景以及在某些过渡金属参与的反应的机理研究中具有重要的研究价值。

In order to reflect the toxicity of cadmium in the two different systems: overlying water system and watersediment coexistence system, the toxicological parameters such as metal body burden, MT and mortality in a freshwater cladoceran Daphnia magna after exposure were quantified.

选择大型溞作为受试生物，以大型溞体内金属积累量、金属硫蛋白含量和死亡率作为测试指标，考察了上覆水体系与水柱－沉积物共存体系中金属镉的毒性状况，探讨了水体沉积物中重金属的生物毒性作用机制。

In order to reflect the toxicity of cadmiumin the two different systems: overlying water system and water-sediment coexistence system, the toxicological parameters such as metal body burden, MT and mortality in a freshwater cladoceran Daphnia magna after exposure were quantified.

选择大型溞作为受试生物，以大型溞体内金属积累量、金属硫蛋白含量和死亡率作为测试指标，考察了上覆水体系与水柱-沉积物共存体系中金属镉的毒性状况，探讨了水体沉积物中重金属的生物毒性作用机制。

A white metal straight-winged spread eagle and swastika emblem was pinned to the front of the crown; below it on the band was a white metal oak leaf wreath surrounding a raised, painted metal cockade.

白色金属直翅鹰和纳粹党徽标志的传播是挂在前面的冠，低于它在一个白色的金属乐队金属帽章橡树叶花环环绕着提高，画。

It is mixed with silver, copper and tin, forming a highly durable combination to lock in the mercury.

目前在医疗中使用的金属混合物，使用汞、银、铜和锡等金属，制成耐用度较高的混合物，并将汞金属锁定其中。

A refining process for nonoxidizing metals, such as silver and gold, in which a metallic mixture is oxidized at high temperatures and base metals are separated by absorption into the walls of a cupel.

烤钵冶金法一种使银和金等金属不氧化的提纯过程，在高温下金属混合物被氧化，低劣金属被分离出来并吸入烤钵的墙上

In this review, we describe nuclear magnetic resonance techniques which are widely used to investigate inter-molecular interactions between proteins and diamagnetic/paramagnetic metal ions.

本文简要介绍目前国际上用NMR方法研究抗磁金属离子和顺磁金属离子与蛋白质相互作用的进展，并具体介绍了NMR方法在钙调蛋白、锌指蛋白、朊病毒蛋白等金属离子蛋白研究上的应用。

The former is to prepare polymolybdates coordinated' directly by organic ligands using Na2MoO4 and MoO3 precursors; The latter plays emphasis on exploiting a simple and effective routine to synthesize Keggin polytungstates in which the transition metal or Si acts as the heteratom by reaction precursor Na2WO4.We have synthesized a 4,4'-bipyridine bridging dumbbell-like polymolybdates a metatungs...

前者主要是制备有机配体键合的多金属钼酸盐；后者重点是探索出一个简易、有效的合成过渡金属或主族元素硅作杂原子的Keggin多金属钨酸盐的方法，然后通过变换过渡金属或有机配体的种类探讨对产物结构的影响，再对所得化合物的结构和组成通过物理测试手段进行表征，同时研究其在光、电、磁等方面的性质。

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。