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- Activation of molecular oxygen phthalocyanine catalysts was introduced. 介绍了金属酞菁催化剂活化分子氧的过程。
- Progress in Production Technology of Propylene Oxide with Molecular Oxygen as Oxidant(Cont. 用分子氧作氧化剂生产环氧丙烷的工艺进展(待续)
- An oxidoreductase that catalyzes the incorporation of molecular oxygen into its substrate. 氧酶对有机化合物与分子氧反应起催化作用的一种酶
- Any of a group of enzymes that catalyze oxidation, especially an enzyme that reacts with molecular oxygen to catalyze the oxidation of a substrate. 氧化酶起催化氧化作用的任意一种酶，尤指一种与分子氧气反应来催化氧化作用物的酶
- Recent research progress on the propylene epoxidation catalysts which use molecular oxygen or hydrogen peroxide as oxidants is reviewed. 评述了以分子氧和双氧水为氧源的丙烯环氧化催化剂体系的最新研究进展。
- Methods The in vitro effect of singlet molecular oxygen on the structure and component of erythrocyte membrane was studied. 方法在离体条件下,观察光化学处理后单线态分子氧对红细胞膜结构及组分的影响。
- In this paper, activity problems of transition metals for molecular oxygen were studied by quantum chemical method, combining HMO with EHMO and CNDO. 本文用我们自已建立的以HMO为主的量子化学方法研究了过渡金属对氧分子的活化问题。
- When neutrophils are exposed to the various stimuli, one-electron reduction of molecular oxygen by NADPH oxidase leading “respiratory burst” induced. NADPH氧化酶产生的超氧阴离子，存在于吞噬细胞，神经上皮，血管平滑肌细胞及内皮细胞。
- Lipid oxidation is a complex process whereby unsaturated fatty acids react with molecular oxygen via a free radical mechanism (Asghar and others 1988). 脂质氧化是一个复杂的过程，即不饱和脂肪酸反应，通过分子氧自由基机制（阿斯加和其他1988年） 。
- Laccase uses molecular oxygen to oxidize various aromatic and non-aromatic compounds by a radical-catalyzed reaction mechanism with the concomitant reduction of oxygen to water. 漆酶催化氧化有机物的机理主要表现在底物自由基中间体的产生和氧气还原成水两个方面。
- Advances in cleaner oxidation of alcohols by molecular oxygen instead of stoichiometric oxidants in supercritical carbon dioxide are introduced according to the catalytic systems. 摘要本文以催化剂体系为主线，介绍了超临界二氧化碳中以分子氧代替化学计量氧化剂的醇类清洁氧化技术的研究进展。
- Oxygenases are enzymes that introduce one or two atoms of molecular oxygen into an organic molecule and can oxidate organic compounds selectively.So oxygenases continue to be widely studied. 加氧酶是可以将单个或双个氧原子加入到一个有机化合物分子中的一类酶,且具有选择性生物氧化特性,所以被广泛研究。
- The system of oxidative desulfurization includes oxidant such as hydrogen peroxide and powder solid catalyst,photooxidation,oxidation with molecular oxygen fixed bed catalytic oxidation,etc. 氧化脱硫反应体系主要包括双氧水(氧化剂)与羧酸(催化剂)或粉末固体催化剂体系、光催化氧化体系、分子氧氧化体系、固定床催化氧化体系等。
- OCO will attempt the work by using three high-resolution spectrometers to study sunlight reflected off Earth at the precise wavelengths that reveal the presence of carbon dioxide and molecular oxygen. OCO将用三个高分辨率分光计来尝试这一工作。分光计在精确的波长下研究反射出地球的太阳光，这一波长揭示二氧化碳及分子氧的存在。
- All the above-mentioned findings indicate that solid catalysts and biomimetic catalysts can activate molecular oxygen or hydrogen peroxide to furthermore achieve green oxidation under mild conditions. 因此可以认为固体催化剂和仿生催化剂均为在温和条件下可活化分子氧或过氧化氢、实现绿色氧化合成的有效催化剂。
- This paper has proposed an effective wayto realize the high selectivity for target products by heterogeneously catalyzedselective oxidation employing molecular oxygen as oxidants in liquid phase. 本论文提出采用多相催化剂,以分子氧为氧源,液相条件下的合成路线是提高目标产物选择性的有效途径之一。
- Using salcomine as a homogeneous catalyst for the selective oxidation of crotonaldellyde by molecular oxygen,a new mild method for preparation of crotonic acid has been investigated. 报道了用巴豆醛选择氧化制备巴豆酸的方法;工艺简单;反应时间短;产品纯度高.;并研究了影响反应产率诸因素。
- The use of molecular oxygen as the stoichiometric oxidant should be advantageous because it is inexpensive,readily available,and ultimately produces benign byproducts such as H_2O. 鉴于分子氧具有经济、环保、易得的优势,本文从均相催化、多相催化以及新材料的应用等角度阐述了近年来液态醇以分子氧为氧化剂选择氧化到醛酮的进展。
- The research improvement for the synthesis of acetophenone by ethylbenzene selectively catalytic oxidation using hydrogen peroxide or molecular oxygen as clean oxidant is described. 摘要叙述了近年来使用双氧水和氧气作为清洁的氧化剂，乙苯选择性催化氧化合成苯乙酮的研究进展。
- Water contains hydrogen and oxygen. 水含有氢和氧。
