查询词典 peroxide

Epoxycedrane was firstly synthesized at home and abroad from α-cedrene by epoxidation of hydrogen peroxide under the catalysis of ruthenium trichloride and pyridine-2, 6-dicarboxylic acid.

以三氯化钌和2，6-二羧基吡啶为催化剂，双氧水为氧化剂，时α-柏木烯进行环氧化反应合成环氧柏木烷。本合成方法在国内外尚未见报道。

Disinfectants such as chloramines, chlorine dioxide, sodium hypochlorite and hydrogen peroxide were used respectively for annihilate Chironomus larva in drinking water treatment.

为筛选出有效、安全、经济的杀灭红虫药剂，以保证居民饮用水安全，研究了氯胺、二氧化氯、次氯酸钠和过氧化氢，在20℃、无光照条件下对该种红虫单一和联合的杀灭效果。

Synthesis process of 2,6-dichloro-3-methylaniline was investigated 3-methylaniline was first N-acetylated with acetic anhydride,then treated with chlorosulphonic acid and ammonia yielding the 2-methyl-4--benzenesulfonic amide,which wasin turn deacetylated,chlorinated and hydrolyzed to the title compound.Hydrochloric acid was used instead of sodium hydroxide in deacetylation and sodium chlorate instead of hydrogen peroxide as oxidant in chlorination.

合成工艺2，6-二氯-3-甲基苯胺调查3-甲基首次N-乙酰与醋酸酐，然后与氯磺酸和氨产量 2-甲基-4--苯磺酰胺基，而擅转乙酰，氯化和水解的标题compound.hydrochloric酸代替氢氧化钠乙酰氯酸钠代替双氧水为氧化剂，加氯。

In addition,the leaves of the control plants appeared to be much reder than the transgenic tomato,and the change were obvious followed by far from the treated time at low temperature,which suggested that the constituently expression of the chloroplast sHSP had some protective fountions to the tomato at low temperature.2 Effect on contents of MDAMDA is the product that membrane lipid peroxide and the contents of MDA in plants can reflect the degree of the damage that the plants are encountered to some extent.

低温处理6周后，转基因苗叶片中chla，cib含量及叶绿素总量明显高于对照，反应叶绿体中类囊体垛叠程度的chla／the比值也大于对照，可见冷害条件下转基因植株体内叶绿素的破坏程度小。4））t％hs用：低温Al：Pll6周，测定植物光合作用的重要指标净光合速率、蒸腾速率、气孔导度、胞间隙CQZ鹏，结果显示赂因番茄的即雏率、蒸腾速率、气孔导度均明显高于对照，而胞间隙COZ 氏于对照。

Based on hydrogen peroxide and ammonium persulfate as compounded initiating system,unsaturated vinyl monomers were used to directly copolymerize a new high range polycarboxylate water reducer structurized in carboxyl,esterquat and amido as main chain and in polyethylene glycol ether as side chain.

以过硫酸铵和双氧水为复合引发体系，采用不饱和单体直接共聚，得到一类主链为羧基、酯基、酰胺基，侧链为聚乙二醇醚基的新型聚羧酸高效减水剂，研究了共聚物的结构对分散性能的影响。

Grafting of crotonic acid, undecylenic acid, oleic acid, and acrylic acid onto ABS was initiated by benzoyl peroxide in 1, 2-dichloroethane solution.

以过氧化二苯甲酰为引发剂，在1，2-二氯乙烷溶液中进行反式丁烯酸、10-十一烯酸、油酸、丙烯酸接枝ABS树脂。

The activity of antioxidant enzymes including peroxide, catalase and superoxide dismutase in crustose aerial hypha and rhizomorphs of A. mellea, as well as the differences in the activity of antioxidant enzymes increased with increasing Mg concentration in growth medium.

随着培养基中Mg浓度的提高，菌丝和菌索POD、CAT、SOD活性都有增加，而且菌丝与菌索之间抗氧化酶活力的差异随着培养基中Mg浓度的提高而增大。

Studies on stability indicated that PHGF proliposomes should be stored at low temperature and against light, which ensured unchange of their redispersity, content of drug, encapsulation efficiency, acid value and peroxide value. Liposomes were multilamellar vesicle structure under transmission electron microscopy. Average particle size was 0.65 micrometer, ranging from 0.09 micrometer to 1.21 micrometer. Cryoscopic value was 0.64 C determined by cryoscopic method, which was a little higher than that of isotonic solution.

以透射电镜观测PHGF前体脂质体再分散后的形态为囊泡状；激光散射法测得平均粒径为0.65μm，且粒度分布在0.09μm～1.21μm之间；该脂质体荷负电，ζ电位为-44.23mV；冰点降低法测得冰点降低度数为0.64℃，略高于等渗溶液冰点降低度数；测得粘度为1.83mPa·s，达到生理要求；此外，对PHGF脂质体的刺激性、溶血性、热原、异常毒性和过敏沈阳药科大学硕士学位论文拘要性检查表明均符合静脉注射给药的标准。

The oxidation of cyclohexene with aqueous hydrogen peroxide was employed as a test reaction to evaluate the activity and effectiveness of the active sites.

在过氧化氢溶液中的环己烯氧化被用作一个测试反应来估计活性位点的活性和效力。

The oxidation of cyclohexene with aqueous hydrogen peroxide was employed as a test reaction to evaluate the activity and effectiveness of the active sites.

cyclohexene的氧化作用与含水过氧化氢被使用，测试反应评估活跃站点的活动和有效率。

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。