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氧化还原

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Tyrosinase is a copper-containing oxidase that catalyses the oxidation of phenol like compounds and is widespread in plants and animals.

酪胺酸酶是一个结构复杂的含铜氧化还原酵素,广泛的存在于微生物、动植物及人体中。

Of special interest is a suigeroxide dismutase[7] from E.Coli which contains Mnat an unknown binding site and redox catalyses the disproportionation of O2 to yield O2 and H2O.

Of特殊利益是suigeroxide氧化物歧化酶[7从大肠杆菌]其中载锰在一个未知的结合部位和催化氧化还原的氧产生歧化O2和H2O。

A homogeneous redox initiator system with ceric ammonium nitratein N,N-dimethyl-formamidewas reported in this paper.

研究了均相氧化还原体系硝酸铈铵/N,N-二甲基甲酰胺在无外加还原剂的条件下,引发丙烯酸甲酯,苯乙烯和甲基丙烯酸甲酯等烯类单体的聚合。

The CMC grafted polyacrylamide co polyacrylic acid at the same time was produced. The redox system of patassium sulfate and sodium bisulfite was used as the initiator instead of the cerous ammonium nitrate because of its cheapness.

以羧甲基纤维素为基质,以过硫酸钾-亚硫酸氢钠氧化还原引发体系代替相对昂贵的硝酸铈铵引发剂,成功的制备了羧甲基纤维素同时接枝聚丙烯酰胺-聚丙烯酸共聚物。

Four main formations of loop bedding in Jiyang sub-basin were upper layers fall down in the process of earthquake, tautening distortion due to earthquake, the frication of earthquake-related surface of fault and the effect of redox and diffuse other formations of loop bedding comprise the effect of earthquake wave, the effect coming from circumrotate of globosity rotation, snowball function, cementation intermittent, the effect of biology, and so on.

综合分析认为震动塌落、震动拉伸变形、地震断裂面的摩擦作用、氧化还原反应和扩散作用是环状层理的主要成因,前三种成因的环状层理往往与其他震成构造伴生,可作为震积岩的良好标志。环状层理的其他成因还包括:地震波传播方式的影响、地球自转产生的涡旋的影响、&滚雪球&效应、间歇胶结作用以及生物成因等。

According to the existing hours of this lesson, we mainly explain rudimentary knowledge relevant to inorganic chemistry, including colligative property of diluted solution and four balances (Acid-base equilibrium, precipitate-dissolve equilibrium, oxidize-reduce equilibrium and coordinate equilibrium) and two structures (atomic structure, molecular structure ).

从而为后续分析化学,有机化学,物理化学及相关专业课程的学习打下必要的基础。因此,根据现有的实际课时数,主要讲解有关的基础知识。包括稀溶液依数性和四大平衡(酸碱平衡,沉淀-溶解平衡,氧化-还原平衡,配位平衡),二大结构。

The paper reviews the progress of ionic liquids as microwave mediums or catalysts in the fields of organic synthesis, mainly including cyclization, nucleophilic substitution, ring closing metathesis, acylation, rearrangement, polymerization, coupling, oxidation and reduction as well as selective debromination, etc.

本文综述了以离子液体为反应介质或催化剂的微波辅助技术在多种类型有机反应中的研究成果,主要包括了环合反应、亲核取代反应、金属复分解反应、酰化反应、重排反应、聚合反应、偶联反应、氧化还原反应和选择性脱溴反应等。

The paper reviews the progress of ionic liquids as microwave medium or catalyst in the fields of organic synthesis, mainly including cyclization reation, nucleophilic subsitution reaction, metathesis reaction, acylation reation, rearragement reaction, polymerization reaction, coupling reaction, oxidation and reduction reaction as well as selective debromination reaction etc.

本文综述了以离子液体为反应介质或催化剂的微波辅助技术在多种类型有机反应中的研究成果,主要包括了环合反应、亲核取代反应、金属复分解反应、酰化反应、重排反应、聚合反应、偶联反应、氧化还原反应和选择性脱溴反应等。

The detrital carbonate-bound phosphorus was the largest part of total phosphorus.

粒度、有机碳、pH以及氧化还原电位等是影响胶州湾沉积物中磷的地球化学特征的重要因素。

Polyimide was patterned by direct laser writing, then the patterned polyimide was immersed in silver diammine solution for seeding. The silver particles were deposited in-situ at the irradiated areas on polyimide films, whose particle size was 150-300nm.

用波长为266nm的激光在聚酰亚胺薄膜表面光刻出所需图形,将光刻后的聚酰亚胺薄膜浸入到银氨溶液中,在光刻处发生氧化还原反应并原位沉积了粒径为150nm到300nm的银粒子,以该银粒子作为活化种实施化学镀,在聚酰亚胺表面上沉积得到了金属铜的图形。

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