金属物质

Many hydrolyses are metalloenzymes, which lead to substrate selectivity, reaction selectivity and stereoselectivity.

酶是一种重要的生命物质，水解酶大多是有基质选择性，反应选择性和立体选择性的金属酶。

In solution and hydroxides rather than acids when their oxides meet water .

金属： 具有高电导率、高热导率以及可塑性、延展性和高反光性的物质，在溶解时可以形成正离子和氢氧化物，其氧化物在遇水时并不产生酸。

It also introduces the translational symmetry and other basic symmetries of crystals, the 14 Bravais Lattices and 7 Crystal Systems, and Crystal Plane and Miller Index.

在平移对称性的基础上，引入倒格子的概念，讲授晶体内部物质微观运动的物理规律、以及倒格子对描述这些规律的作用――即波动性及对波的描述；如格波、金属电子论、能带理论、特别是能隙的起源。

In most cases, the medical profession do not advocate drug use of tea, in particular, ferrous sulfate, ferrous carbonate, iron citrate iron drink containing amine such as aluminum hydroxide of aluminum-containing agents, such as the western face of tea tea and more phenolic material and metal ion binding and precipitation, will be reduced or loss of efficacy.

在多数情况下，医学界不主张用茶水服药，尤其是硫酸亚铁、碳酸亚铁、枸橼酸铁胺等含铁剂喝氢氧化铝等含铝剂的西药，遇到茶汤中的茶多酚类物质与金属离子结合而沉淀，会降低或失去药效。

The joint protection method of steel wire of zinc based alloy coating is deduced in the dissertation, which adopts organic metal powder protection.

提出了针对电缆成缆过程的有机物金属粉末保护法的技术方案，进一步提出了简便、有效的二次加热接头保护工艺；确定了沥青、环氧树脂加锌粉混合配制的接头保护物质配方。

Results The major occupational hazard factor was dust, physical factors, chemicals and medical radiation. The workers exposed to occupational hazard factors accounted for 35.37% in all workers, which mostly in metals, light industry, building materials, chemicals, machinery, textile, coal and medical institutions.

结果 2007年广西职业病危害因素的种类主要是粉尘、物理因素、化学物质因素、医用辐射；职业病危害因素的接触人数占其职工总人数中的35.37%，主要分布在金属、轻工、建材、化工、机械、纺织、煤炭、医疗机构等8类行业。

The filter medium may be of cloth or metal .

这个过滤媒介物质可能是布或者金属做成的。

Despite the solid metal construction, the light material minimises the weight to only 10 kg.

尽管固态金属建设，轻物质最小的重量只有10公斤。

Metal strainers can also be used to separate, or screen one substance from another.

金属过滤器也被用于隔离或筛选物质。

Sources of large and super-large nonferrous metals deposits are explained with "liquid source ore bed".

中文摘要：文章从地体的形成与拼贴方面讨论了湖南省5个构造地层地体的划分，根据各地体的成矿特征不同，按元素组合归纳出五大有色多金属成矿系列，引用&液态矿源层&概念解释大型、超大型矿床的巨量物质来源，认为地体边界断裂带和地体内深大断裂控制了有色金属大型、超大型矿床与矿集区的分布。

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。