通过采用SEM、X射线衍射、化学元素分析、物理分析等技术，系统地研究了稀土镧对氧化钼氢还原的影响。
The effects of rare earth element La during hydrogenolysis were studied by using SEM, X-ray diffraction and chemical and physical analysis.
由于在酸性条件下形成，氢碘酸（HI）是一种更强的还原剂。
As formed under acidic conditions, hydroiodic acid (HI) is a stronger reducing agent.
有种依赖一氧化碳生存的生物，我们利用其还原能力使水分子破裂，制造出氢和氧。
We have one organism that lives off of carbon monoxide, and we use as a reducing power to split water to produce hydrogen and oxygen.
该公司解释说：“水可以通过使用地球输送的氢还原月球土壤来生产。
The company explains that, “Water can be produced by reducing lunar soil with hydrogen that is imported from the Earth.
在金属的焊接和切割中氢也有应用。半导体制造商也使用氢，主要是形成还原气氛。
Some use of hydrogen is made in the welding and cutting of metals. Hydrogen is also used by semiconductor manufacturers, primarily to form reducing atmospheres.
结论亚甲基四氢叶酸还原酶基因C677T基因多态性可能是我国大肠癌的遗传易感因素。
Conclusion These findings demonstrated that the genetic variation of MTHFR C677T should be a genetic susceptibility factor for colorectal cancer in a Chinese population.
提出了一种在氢氟化过程中同时进行氨还原改善脱硝产品氢氟化反应性的方法，以便生产出高品位的四氟化铀。
It proposes a method which improves reactivity of denitration products in hydrofluorination with ammonia reduction in order to produce high grade uranium tetrafluoride.
利用程序升温还原法（TPR）和定温吸附（TRS）相结合的技术来研究这些催化剂的还原情况和对氢的吸附情况。
The reduction and hydrogen sorption for these catalysts were instigated by means of combination of temperature-programmed reduction ( TPR) and temperature-resolved sorption ( TRS ) technique.
在贮氢电极中添加氧还原催化剂是一种有效降低电池内压的方法。
It was an effective method in suppressing the internal pressure of Ni MH battery by adding the catalyst for oxygen reduction into the MH electrode.
利用新合成的蛇笼型氢醌氧化还原树脂作为曝气时的催化剂，对造气废水进行曝气氧化处理。
With the use of the newly synthesized snake cage hydroquinone REDOX resin as the catalyst in aeration, the gasification effluent undergoes aeration oxidation treatment.
之后，经引入手性试剂，双键还原，氢解，水解酯基得到目标产物的合成路线。
The target molecule was synthesized through using chiral reagent, reduction of double bond, hydrogenolysis and hydrolysis of ester group.
随着还原时间的增长，等离子态氢还原氧化物得到的金属层厚度增加。这表明等离子态氢能强化氢还原金属氧化物的能力。
With an increase of reduction time, the reduced metallic layer became thicker, which showed that the plasma hydrogen enhanced the reduction ability of hydrogen for metal oxide.
把分子态的氢转变为等离子态的氢可以从热力学和动力学层面上提高氢还原金属氧化物的能力。
Transforming molecular hydrogen to plasma hydrogen can enhance the reduction ability of hydrogen in the terms of thermodynamics and kinetics.
研究蓝钨氢还原工艺并分析了蓝钨在氢气还原过程中主要相成份的变化。
In this article, the process and main phase composition are studied during the deoxidization of blue tungsten oxide in hydrogen.
目的探讨北方乡村妇女亚甲基四氢叶酸还原酶（MTHFR）基因多态性与神经管畸形的关系。
Objective To explore relationship between methylenetetra hydrofolate reductase (MTHFR) polymorphism and neural tube defects (NTDs)of women in the northern countryside.
介绍了采用铝热还原法制备富钒储氢钒镍合金的工艺及其影响因素。
It introduces the craft and its influential factors to the method of developing vanadium nickel alloy with rich vanadium and reserved hydrogen.
喷吹燃料中的一部分氢和喷吹燃料生成的一氧化碳参加间接还原反应。
Part of the hydrogen in the injected fuel and carbon monoxide formed from injected fuel take parts in the indirect reduction.
有机物反应时把有机物引入氧或脱去氢的作用叫氧化；引入氢或失去氧的作用叫还原。
The role of organic matter in the process of introducing oxygen or taking off hydrogen is called oxidation.
抗叶酸类抗疟药的抗药性机制已基本搞清，与其作用靶酶二氢叶酸还原酶或二氢蝶酸合成酶基因点突变相关。
The molecular mechanism of resistance to the antifolates has been well characterisied and is due to structural changes in the target enzymes resulting from the point mutations of DHFR or DHPS gene.
亚甲基四氢叶酸还原酶基因突变导致的遗传多态现象可增加神经管缺陷(ntd)发生的危险性。
The genetic polymorphisms due to mutations in the methylene tetrahydrofolate reductase gene may increase the risk for NTDs.
尤其是二氢吡啶作为动物体中重要的还原性辅酶NADH的活性部分更是赋予了二氢吡啶重要的生物学方面的意义。
Their biological significance has been greatly recognized since they are discovered to be the active part of NADH, the essential reducing coenzyme in animals.
结果表明，二氢茉莉酸丙酯提高了根系活力和叶片硝酸还原酶活性（NRA） ，增加叶绿素含量和可溶性蛋白含量，从而为高产奠定了良好的生理基础。
The results indicated PDJ could improve the vigor of root system and NRA of leaves, increase chlorophyll and soluble protein content, thus laying a better physiological foundation for high yield.
磷氢化物形成于还原性的富氢环境。
Phosphorus hydrides are formed in a H-rich, reduction environment.
其有机元素组成以贫氢、富氧、富硫为特征，属高热演化且受硫酸盐热化学还原作用影响的焦沥青类。
The organic elementary compositions of the bitumen are characterized by poor hydrogen and rich oxygen and sulfur, suggesting that it is of pyrobitumen as a result of high maturity and TSR.
提出了磷化钼常压制备工艺，包括溶胶-凝胶法制备负载型磷化钼催化剂前体及在常压下以氢氮混合气为还原剂的催化剂前体还原。
Supported phosphorized molybdenum catalyst precursor was prepared by the sol-gel method, and reduced under atmospheric pressure by hydrogen nitrogen mixture for the first time.
提出了磷化钼常压制备工艺，包括溶胶-凝胶法制备负载型磷化钼催化剂前体及在常压下以氢氮混合气为还原剂的催化剂前体还原。
Supported phosphorized molybdenum catalyst precursor was prepared by the sol-gel method, and reduced under atmospheric pressure by hydrogen nitrogen mixture for the first time.
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