降解产物

Results Half-life( t1/2) of PDDZ degradation in 20% rabbit plasma was 210 min and the parent drug AZT was the degradation product.

在不同流动相条件下测定齐多夫定和PDDZ的含量。结果 PDDZ在体积分数为20%的家兔血浆中的降解半衰期为210 min，降解产物为AZT。

The optimal condition of zymosis and degradation determined by viscosity change was achieved: liquid seed inoculate 2%, carrageen terminal concentration was 0.1% in the solid leavening, and degrading temperature of 50℃, pH 5, the enzyme quantity was 0.5:1.

通过降解产物粘度的变化来确定适宜的发酵条件及降解条件。结果表明发酵物中的液体种子接种量为2%，卡拉胶的终浓度为0.1%，降解温度为50℃，pH=5，加酶量为0.5：1时，此酶的降解效果最好。

In the mixed system of culture media, because of the effect of catabolite repression and synergistic mechanism between products, the degradation of succinonitrile is promoted while the degradation of alkanes is inhibited.

在培养基混合体系中，由于分解阻遏效应和降解产物的协同效应，有利于丁二腈的降解而对烷烃降解不利。

In this paper, A new controlled depolymerization to chitosan-oligosaccharide from chitosan by nitrous acid is presented.

本论文研究了盐酸-亚硝酸钠对壳聚糖的可控性降解及降解产物壳低聚糖的若干应用。

The influence of initial pH value and environmental substances in water was discussed, the photolysis mechanism, proposed products and possible photolysis pathways of phenazone were analyzed.

以波长为254 nm的紫外杀菌灯为光源，研究了水溶液中消炎镇痛药物安替比林的光降解行为；考察了初始pH值及水中其他物质对PZ光降解的影响，探讨了PZ光解机制，并分析其降解产物及光解途径。

The TiO2 synthesized by normal and reverse micelles as templated were applied for phot ocatalytic of Rhodamine B and organic toxic small molecule 2.4-dichlorophenol under ultraviolet irradiation. Oxidation species and photodegradation products in the photoreaction process were detected for studying their photocatalyst properties. The results showed that: the R-TiO2 had a better photocatalysis property under UV irradiation when photodegradation of RhB and DCP compared to the N-TiO2. After 160min, the mineralized rate of RhB can be 95%. And the oxidative species was mainly referred to OH radical.

利用正相和反相胶束介质模板制备的纳米TiO2为光催化剂，在紫外光照射下，对染料罗丹明B和有机有毒无色小分子2，4-二氯苯酚进行光催化降解，研究了其光催化性能，并对光催化过程中氧化物种及降解产物进行了跟踪测定，结果表明，反相胶束模板体系制备的纳米TiO2与正相胶束介质制备的纳米TiO2比较，在紫外照射下对RhB及DCP的降解有较好的光催化性能，对RhB在160min尤催化矿化率可达95%，光催化反应主要的氧化物种涉及在基自由基。

In this study, aerobic biodegradability of 26 different kinds of dyes was tested, using static flask screening test, Warburg respirometer and semi—continuous activated sludge system; then biodegradability of 22 of the dyes under anaerobic condition was investigated by batch and continuous—flow anaerobic digesters; anaerobic metabolic substances of some dyes were analysed by several methods and the pathway of anaerobic degradation of C.

本文用静置烧瓶筛选试验法、瓦勃氏呼吸仪试验法和半连续活性污泥法对26种不同化学结构类型的染料的好氧生物降解性能进行了测定评价；对其中22种染料用间歇厌氧消化反应器和连续流厌氧反应器进行了厌氧生物降解性能的试验，采用多种仪器对部分染料的厌氧降解产物进行检测，对1种蒽醌染料的厌氧降解途径作了推测。

PLLA/PEG multiblock copolymers were synthesized by coupling reaction of dihydroxylated PLLA/PEG triblock copolymers with 4, 4'-diphenylmethane diisocyanate and nearly quantitative conversation was obtained.

聚乳酸具有良好的力学性能、生物相容性和生物降解性能，且降解产物能参与人体的新陈代谢，当前己成为生物降解医用材料领域中最重要的材料之一。

Alkylbenzene, normal alkanes and alkylcyclohexane on the pyrolysates of P. Boryanum at 300℃ had uniform distribution and the relative content of them was similar, indicating that they originated from same precursors. Fatty acids, alcohol and ketone in algal cell are the possible precursors. For example, the precursor of relatively abundant C〓 alkylbenzene and alkylbenzene with C〓 side chain perhaps related with palmitic acid. N-alkylnaphthalene in pyrolysates at 300℃ probably derived from alkylation of cleavage products of aromatic steranes and terpanes.

在盘星藻300℃热解产物中，烷基苯、正烷烃和烷基环己烷碳数分布一致、各化合物的相对含量接近，表明它们有相同的来源，藻类体内的脂肪酸、醇和酮及细胞壁等物质可能是其母质，相对含量较高的碳数为16及侧链碳数为16的烷基苯类化合物，其前身物可能与软脂酸有关。300℃热解产物中的正烷基萘类化合物，可能由芳香甾、萜类的降解产物与直链烃类加成烷基化而形成。

The results show that the degradation effectiveness of PVA was optimum when potassium ferrate and sodium hypochlorite were jointly used as the oxidative agent. The removal rate of PVA and COD was more than 98% and 40% under the conditions that the concentration of PVA was 3.0 g/L and the pH value was 7.2, the dosage of potassium ferrate and sodium hypo chlorite were 0.32 g/L and 3.92 g/L, and the reaction time was 50 min. In the process of united oxidative degradation, the chain of PVA was cut off and many low molecular weight compounds were formed. The main degradation products were carboxyl compounds.

结果表明，用高铁酸钾与次氯酸钠联合氧化PVA时，降解效果最佳；在3.0 g/L，pH值为7.2的PVA溶液中，当高铁酸钾与次氯酸钠的投加量分别为0.32 g/L、3.92 g/L，反应时间为50 min时，PVA的去除率大于98%，COD去除率大于40%；在联合氧化降解过程中，PVA断链成小分子物质，最终降解产物主要为羧基化合物。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。