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氧化还原

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TOAB (tetra-n-octyl-ammonium bromide) serves as a catalyst initiating the reaction between dodecanethiol and Cux(x-2). When it is absent, nanoparticles were not formed and white floccules were observed in the bottom of toluene phase .

四丁基溴化铵起到催化剂的作用,在它存在的时候,十二烷基硫醇和铜母体的氧化还原反应优先发生。

This paper reviews the mechanism of the phase transfer catalytic reaction according to the different compositions of catalytists, including quaternary ammonium salts,polyethylene glycols and grown ethers as well as application of the PTC in Organic synthesis , such as the reaction of,nucleophilic substitution,addition,condensation,oxidation-reduction and so on.

综述了在不同催化剂结构下所遵循的相转移催化反应机理,包括季铵盐类、聚乙二醇类及冠醚类催化机理,以及相转移催化在有机合成中的应用,如亲核取代反应、加成反应、缩合反应、氧化还原反应

Water can make the redox inside body is able to run, in order to produce the quantity of heat that body place needs, nutriment, it is the haemal circulation with be maintained the temperature, balance that maintains the electrolyte inside body, normal, OK still that water can adjust make digestive gland secretes digestive juice to promote food to digest absorb, the phenomenon that reachs precaution to improve constipation, water still can make your skin water bright water bright, advantage is great.

水可以使体内的氧化还原作用得以运作,以产生身体所需的热量、营养素,水可以调节体温、维持体内电解质的平衡、维持正常的血液循环、还可以使消化腺分泌消化液促进食物消化吸收、及预防改善便秘的现象,水还可以使你的皮肤水亮水亮,好处多多。

The polypyrrole film modified electrodes incorporated with redox indicator indigo carmine were prepared firstly. The influence of polymerization conditions on the electrochemical behavior of resulting films was studied in detail. The films were characterized by XPS, SEM and UV-Vis spectra.

本文首次制备了掺杂氧化还原指示剂靛红的聚吡咯膜修饰电极,研究了聚合条件对所得膜电化学行为的影响,并用XPS,SEM,UV-Vis光谱等手段进行了表征。

Widespread iron bacteria itself to the role of Concentrations, and allows a variety of ferrous oxide reduction in the role and dissolved minerals precipitate role in the formation of different iron minerals and mineral nature of the changes significantly affected the soil and water geochemical characteristics.

广泛存在的细菌本身对铁具有富集作用,并可使各种含铁矿物发生氧化还原作用和溶解沉淀作用,形成不同的铁矿物并导致矿物性质的变化,极大地影响了土壤和水体的地球化学特征。

The black deposits produced in the system were mainly composed of iron sulphide and iron oxide.

受温度、压力、接触介质和氧化还原等因素的影响,乙二醇循环液的化学

Predicted frequencies of the metal-bound CO,QM/MM-optimized geometries,and calculated redox potentials of the FeMocofactor with different central ligands show that the oxygen atom is the candidatefor the interstitial atom.

5预测了CO脱氢酶活性簇不同氧化-还原态C_(red1,C_(red2)和C_的结构特征和酶催化CO氧化成CO_2的反应机理。

On the base of the above-mentioned results, this paper further investigated the local micro-actuating behaviors induced by the volume change of PPy doped with ssDNA on the microdot electrode within the microchannel. It was found that, in 80μm channel the volume change of PPy film doped with ssDNA probe could enhanced the effect of DNA hybridization.

在上述结果的提示下,论文进一步在微通道内初步考察了在ssDNA掺杂修饰的PPy微点上因其电化学氧化还原所致的体积变化率而造成的局部微致动行为,发现在80μm微通道内掺杂了ssDNA探针的PPy薄膜的体积变化足以引起随后DNA杂交效果的变化。

At Hcy/Au electrode, there were electrocatalytic responses of DA and E with ΔEp 57.5mV and 63.5mV, respectively. The standard rate constants k〓 were calculated as 2.1×10〓 cm s〓 and 1.6×10〓 cm s〓 corresponding to DA and E. The electron transfer number n〓=1 was achieved, which revealed that the 2e transfer of DA and E is not completed by one step at the electrode. Because AA also displayed electrocatalytic behavior at Hcy/Au electrode, DA and E can be determined in presence of AA.At Hcy/Au electrode, a pair of very stable and well-defined redox waves of Mb were obtained.

在Hcy/Au电极上分别得到多巴胺、肾上腺素的一对可逆的氧化还原波,求出两者的电极反应速率常数分别为2.2×10〓cm s〓和1.6×10〓cm s〓,推导出在两者的电极反应过程中均存在一个自由基并且它的形成决定了整个电极反应的速度;由于抗坏血酸在此电极上也具有电催化响应,可以在抗坏血酸存在下对多巴胺和肾上腺素进行测定。

Mitochondrial Complex II belongs to the succinate:ubiquinone oxidoreductase super-family, whose member normally consists of a soluble catalytic hetero-dimer and an integral membrane region.

线粒体复合物 II 属于琥珀酸泛醌氧化还原酶家族,这个家族中的酶通常包含一个水溶性的具有催化活性的异二聚体以及一个完整的跨膜部分。

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