氧化还原

The effect of guanidine hydrochloride concentration on the oxidative refolding of denatured-reduced lysozyme of high concentration in the presence of artificial chaperone , that is, cetyl trimethyl ammonium bromide and β-cyclodextrin,was studied.

研究了表面活性剂十六烷基三甲基溴化铵加β-环糊精和盐酸胍对高浓度变性-还原溶菌酶氧化复性的影响，利用基于二态复性模型的表观动力学模型分析了溶菌酶的复性过程。

It has shown by the studies at home and abroad that Chaga is the ideal companion which has health care, prevention function and can treated many diseases. The healthy groups can use it for fitness beauty、disease prevention and health care; sub-health groups can restore nature health; and disease groups regards its as the best natural therapeutic products without any side effects. The Chaga's own characteristics determines its using value in the health care market, which can be taken as the health products, that is, regulating immunity, anti-virus, anti-cancer, balance blood sugar, balancing blood pressure, improving cardiac function, treating various incurable diseases, removing free radicals, anti-oxidation, anti-aging, and so on.

国内外研究证明桦褐菌是21世纪人类最理想的保健、预防、治疗多种疾病的最好伴侣，健康的群体可以用之健身美容、防病保健，亚健康群体靠其还原健康的本色，疾病群体用其作为最好的天然、无任何副作用的食疗制剂，桦褐菌自身的特点决定了其在健康产品市场的应用价值，可作为调节免疫、抗病毒、抗癌、平衡血糖、平衡血压、改善心功能、治疗各种疑难杂症、清除体内自由基、抗氧化、延缓衰老等健康产品。

ABSTRACT Objective: We found an active compound in Styela clava Hedman, during separation and screening of marine life. This compound is a sterol, it possess reduction and stronger Oxidation. It shows very strong anti-hepatitis B vires activities in vitro.

目的： 在进行海洋生物活性物质分离筛选的过程中，我们发现柄海鞘中的一个具有很高药用价值的活性物质—海鞘醇，这是一个既具有还原性有具有较强氧化性的甾醇类有机化合物，实验表明它具有极高的对抗乙型肝炎病毒的体外活性。

With the increase of calcination temperature, the interaction between cobalt phase and support becomes stronger, and Co3O4 gradually changes to CoxAl(8/3-2x/3)O4 spinel.

随着焙烧温度提高，活性组分与载体的相互作用加强， Co3O4相逐步向CoxAl(8/3-2x/3)O4尖晶石相转化，这可能是样品氧化活性下降和选择还原活性升高的主要原因。

Objective To test the in vitro effect of daphnetin on cytochrome C oxidase and ribonucleotide reductase activity of Plasmodium falciparum . Methods P.

摘要目的体外测定瑞香素对恶性疟原虫细胞色素C氧化酶及核糖核酸还原酶活性的影响。

Daphnetin significantly reduces the COX and RNR activities of Plasmodium falciparum in vitro .

在体外瑞香素可显著降低恶性疟原虫的细胞色素C氧化酶及核糖核酸还原酶活性。

The inhibition level of the COX activity by daphnetin after being treated for 2, 4, 8 and 12 h were 0.6%, 73% and 80% respectively and the inhibition level by daphnetin at different concentrations （0.1, 1, 100 and lmmol/L） for 6h was 3%, 31%, 53% and 84%, respectively.

在体外瑞香素可显著降低恶性疟原虫的细胞色素C氧化酶及核糖核酸还原酶活性。

The as-grown sapphire boule (φ110×80mm3) turns out colorless and transparent after being decolourized and decarbonized in air and hydrogen successively at high temperature.

将TGT法生长的Al2O3晶体(φ110×80mm3)依次经过高温氧化气氛、高温还原气氛脱碳、去色退火实验，即&两步法&退火实验，晶体变成无色、透明。

The recent advances in the main clean processes to synthesize diphenylmethane diisocyanates are reviewed, such as BTC method, condensation of aniline, reductive carbonylation of nitrobenzene, oxidative carbonylation of aniline, methoxycarbonylation of aniline, alcoholysis of N,N'-diphenyl urea and the coupling process.

回顾了清洁合成二苯甲烷二异氰酸酯的几种主要方法，如BTC法、苯胺缩和法、硝基苯还原羰基化法、苯胺氧化羰基化法、碳酸酯法、二苯基脲法和反应耦合法等合成路线。

Sulfate reducing bacteriaare strict anaerobes, which dissimilate organics using sulfate or other oxidation state sulfide as electron acceptors.

硫酸盐还原菌是利用硫酸盐或其他氧化态硫化物作为电子受体来异化有机物的严格厌氧菌。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。