氧化过程

The examples show: It is not only scientific and rational approximately, but also as referenced calculational methods of threshold quanlity of increased or emendatory chemical substance in the "Identifecation of major hazard installations "(GB18218-2000) in the future, that appliance respective of TNT equivalent method, gasoline equivalent method, methane equivalent method, methl ethyl ketone peroxide equivalent method and hydrogen sulfide equivalent method for the rhrehold quanlity in the work site and store area of volatile substance, combustible liquid substance, combustible gaseous substance, active chemical substance and poisonous substance. At the same time, Comparing with the death radius method and evaluative method of combustible, volatile, poisonous mojor hazardinstalltions, hazard grading method of hazard degree grading in the chemical factory for the major hazard installations is simplerof operation and more practical of calcutating result, and have some significance on generalizer.

实例验证表明：TNT当量法、汽油当量法、甲烷当量法和过氧化甲乙酮当量法分别对爆炸性物质、易燃液体物质、易燃气体物质和活性化学物质的临界量确定，具有一定的科学性和合理性，可作为《重大危险源辨识》(GB18218-2000)中临界量数值修订和危险物质扩充时进行临界量确定的参考计算方法，同时，化工厂危险程度的重大危险源分级法与易燃、易爆和有毒重大危险源评价法和死亡半径法相比，评估过程简单易行，分级结果符合实际，具有较强的可操作性和一定的推广意义。

On the basis of analyzing the slaggy properties,the reason- able range of slaggy composition for pyrometallurgy enrichment of low grade lead-zinc oxide ore containing germanium is determined.

本文在分析火法富集低品位含锗氧化铅锌矿炉渣性质的基础上，确定了富集过程中合理的炉渣组成范围

The complicated process of cellular differentiation needs the cooperation of many kinds of growth-factors, ground substance and cellular characteristics and the preciselymechanism of this process has not been illuminated yet, although many kinds of hypothesis has been posed.

19世纪后期以来，对气体信号分子的一些研究显示，NO及其酶系统一氧化氮合酶(Nitric Oxide Synthase，NOS)在牙髓组织中广泛分布，具有调节血流量和牙髓组织压的作用，还可能与牙本质形成、细胞分化等生理过程相关。

The ammonium inhibition kinetics of nitrite oxidation could also be described by the Haldane inhibition equation.

亚硝酸氧化的铵氮抑制过程也可较好地用Haldane抑制动力学来描述。

The inhibition kinetics of ammonia oxidation for ammonium-nitrogen or FA could be described by the Haldane inhibition equation.

Haldane抑制动力学方程可以较好地描述氨氧化的铵氮或自由氨基质抑制动力学过程。

Objective to research the changes in expression of heme oxygenase-1 mRNA and protein during atherosclerosis development.

目的 研究在动脉粥样硬化发病过程中内源性一氧化碳的合成酶血红素氧化酶-1mRNA和蛋白表达的变化规律。

The hemoglobin film is shown to be effective to the electrochemical catalytic reduction of NO.

该修饰电极对血红蛋白的电化学氧化还原过程有良好的促进作用。

The flame retardant type magnesium hydroxide has been prepared with brine,halide,and magnesium chloride hexahydrate as raw materials by two-step process i.

以卤水、卤块和六水氯化镁为原料，采用两步法即氨水沉淀-水热处理过程制备出氢氧化镁阻燃剂。

hydrogenase and hydrogenase are the main types of hydrogenase s and have different s.

氢酶是产氢过程中的关键酶，催化氢的氧化或质子的还原。

According to the metal atoms within hydrogenase , it can be classified as NiFe- hydrogenase , Fe- hydrogenase and metal-free hydrogenase .

氢酶是一类催化氢的氧化或质子还原的酶，它在微生物产氢过程中扮演着重要角色。

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。