而且催化剂的稳定性取决于还原态铁对氧化气氛的稳定性。
The catalyst stability depends on the extent of stability of the reduced iron to the oxidizing atmosphere.
如果主要提供还原态氮,则较小的细胞将在种间竞争中占优势。
If it is supplied mainly by reduced nitrogen, the small cells would ultimately in in interspecific competition.
目的:探讨恶性肿瘤组织的氧化-还原态及其抗氧化能力的改变。
AIM: To investigate the changes of the REDOX status and the antioxidative capability in the tissue of malignant tumors.
而PO在还原态催化剂上的吸附行为较复杂,可能生成了酮类化合物。
The adsorption of PO on the reduced catalyst is more complicated and ketones may be produced.
通过对丁字湾海域沉积物氧化还原参数的测定,得出该海域沉积物主要呈还原态。
The redox parameters in the sediment of T-shaped Bay on Shandong Peninsula were determined and it was found that the sediment showed mainly reducing form.
所有的铁-硫簇的氧化和还原态的不同的一个正式的电荷,无论其数量的铁原子。
The oxidized and reduced states of all iron-sulfur clusters differ by one formal charge regardless of their number of fe atoms.
同一掺杂量的铌酸锂晶体,与生长态的相比,晶体缺陷氧化态的增加,还原态的减少。
The crystal with the same Mn doping amount, compared with the growth state, the defect increased at the oxidation state and decreased at the reduction state.
氧化态、生长态和还原态三种不同的状态,原子周围环境不一样,基础吸收边也有所移动。
At the oxidation state, the growth state and the reduction state, the circumstance of the atom is different, so the absorption edge also varied.
高铁血红蛋白还原酶途径利用了NADH的还原电位维持血红蛋白中铁元素的还原态(Fe2 +)。
The reducing potential of the NADH is utilized via the methemoglobin reductase pathway to maintain the iron in Hgb in its reduced form (Fe2 +).
利用x射线衍射法对铜—锌和铜—锌—铝系低压合成甲醇催化剂还原态的结晶铜和氧化锌晶格畸变进行测定。
The crystal copper and distorted zinc oxide lattice of reduced low-pressure synthetic catalyst of methanol are studied with XRD.
测定了苯醌同还原态GOD的化学反应速度常数,并讨论用苯醌代替氧作为生物电催化中的电子传递体的优点。
The rate constant for the chem. reaction of benzoquinone with reduced GOD was measured, and the advantage of benzoquinone over oxygen as a mediator in bioelectrocatalysis was discussed.
一种连续制备还原态化合物的方法,包括将氧化态化合物连续送入反应室,以及使用还原性气体接触该氧化态化合物。
A method of continuously producing reduced compounds, which comprises continuously feeding our oxidised compound into a reaction chamber and contracting the oxidised compound with a reductant gas.
研究了系列不同掺杂、不同掺杂浓度、单掺杂和双掺杂以及不同后处理态(生长态、还原态和氧化态)铌酸锂晶体的透过率光谱和光折变二波耦合效应。
The experimental results show that the optical transmission spectra range and two-wave mixing gains are smaller in the high doped LiNbO_3 crystals.
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.
对流态化预还原过程中碳吸附条件下赤铁矿粉的物化性质、结构变化规律进行了研究。
The present paper studies the law of changes in the physical and chemical properties and structure of the hematite ore fines under the absorption condition in the process of fluidized pre-reduction.
生物质气化粗燃气流态化重整,避免了燃气中颗粒物对重整器的堵塞,促进了催化剂的还原,并抑制了催化剂的表面积碳。
The fluidization of catalyst in the reformer had a role of avoiding the blockage of reformer, promoting the catalyst reduction and suppressing the carbon deposition on the surface of catalyst.
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.
从元素的价态分析讨论同一种元素在不同价态之间的氧化还原反应情况 ,从而得出“中间价态规则”。
The rules for intermediate valence conditions are obtained from the analysis and discussion of the oxidation reduction reactions of the same element in different valence conditions.
不同品种硝酸盐累积的差异取决于还原硝态氮能力的差异。
The variance of nitrate accumulation of different cultivars laid on the variance of the ability in the reduction of nitrate.
用氢酶如何催化代谢物上氢的氧化或质子的还原以及配合态液中氧化还原过程的电子迁移规律阐释了生物的氧化还原过程中的电催化反应机理。
The electricity-catalyze mechanism is explained by Hydrogenases how to catalyse the oxidation of hydrogen or to the reduction of protons of metabolism and the el.
对矿粉进行碳吸附新工艺处理,不仅加快流态化预还原速度并能有效防止粘结。
Proper treatment on the ore fines by way of new carbon absorption process can not only accelerate the rate of fluidized pre-reduction, but also effectively prevent against bonding action.
氧化态的重整催化剂使用前要经过于燥和还原等步骤。
The oxidation state reforming catalyst should be dried and reduced before application.
还原剂的存在降低了单重态氧的生成并引起了超氧负离子自由基的生成。
The singlet oxygen production was decreased and superoxide anion radical production was initiated in the presence of reducing agents.
研究发现,吸附在膜上的NO3-中的N5+被还原成胺类低价态的N,焙烧后该类氮化物中的N消失。
N5+ in NO3- on the surface of the film is deoxidized into N in amine, and N in amine disappear after calcination.
在小型滴管炉内进行了采用生物质废弃物作为再燃燃料还原模拟烟气中NO的热态试验。
Adopting biological wastes as reburning fuel to reduce NO in simulated gas, hot test has been carried out in a small dropper tube furnace.
结果表明:实际还原过程属于非平衡态过程,它的还原机理与还原气体的成分相关。
The results show that reduction process is of nonequilibrium process, and its kinetics depend on compositions of reducing gas.
找出了附碳处理的最佳工艺参数,并指出确定最佳参数的依据,这对附碳处理工艺在流态化预还原中的工业应用具有重要的价值。
A scientific basis of parameter option is put forward. This is very importment to the use of carbon-black adheresion in fluidization pre-reduction.
用冷态模型和高温实验的方法,进行了熔融还原过程熔池中起泡现象的研究。
The foaming phenomenon in iron bath was studied by means of hydrodynamic model and high temperature experiment method.
加入外源硝态氮培养后叶片硝酸还原酶活性的增加程度与叶柄硝态氮含量相一致。
The percentage increase of blade NRA after cultivated by extra-source nitrate was positively related to the petiole nitrate-N concentration.
结果当最小临床承认疗效差量取值为零时,本文方法还原为渐近正态法。
Results It reduces to the asymptotic normal procedure when the value is taken as zero for the minimal clinically relevant therapeutic difference.
应用推荐