查询词典 peroxide

To understand effects of different packaging on lipid peroxidation and antioxidant ability of Torreya grandis nuts during storage at room temperature, we used T. grandis nuts and measured acid value, peroxide value, total phenols, DPPH scavenging activity and inhibition of linoleic acid oxidation by TBA of nuts during storage.

以香榧坚果为材料，研究不同包装方式对香榧原料和加工后成品的酸价、过氧化值、总酚含量、DPPH自由基清除能力和和抑制脂质过氧化作用的影响，以期了解真空包装对香榧坚果贮藏过程中脂肪氧化和抗氧化活性的影响。

Molybdophopsphoric Acid Catalysis in the Oxidative Cleavage of Olefins by the Hydrogen Peroxide Oxidative cleavage of the double bond could be catalyzed by H_3PMo_(12)O_(40) using H_2O_2 as oxidant, various trisubstituted olefins were oxidized to aldehydes or ketones in high yields. The system was not satisfied for electron-deficient olefins such as trans-(2-nitrovinyl) benzol or chalcone. The reaction of aliphatic olefins did not occur under the same conditions.

二、磷钼酸催化过氧化氢对烯烃的氧化断裂反应用过氧化氢(30％)作为氧化剂，磷钼酸可以催化氧化碳碳双键的断裂反应，三取代的烯烃被氧化生成醛或酮，产率较高；此体系对于缺电子烯烃如查尔酮，不饱和硝基化合物的断裂反应效果较差，脂肪族烯烃在此体系下的氧化并不发生。

In the absence of organic solvent and phase-transfer catalyst, the catalytic oxidation of cyclohexene to adipic acid with aqueous 30% hydrogen peroxide by weight can be efficiently catalyzed by tungstenic acid /inorganic acidic ligand.

以钨酸／无机酸性配体为催化体系，在无有机溶剂和相转移剂的情况下，催化过氧化氢(质量分数30％)氧化环己烯合成己二酸。

In the absence of organic solvent and phase-transfer catalyst, the catalytic oxidation of cyclohexene to adipic acid with aqueous 30% hydrogen peroxide by weight can be efficiently catalyzed by tungstenic acid/inorganic acidic ligand.

以钨酸／无机酸性配体为催化体系，在无有机溶剂和相转移剂的情况下，催化过氧化氢(质量分数30％)氧化环己烯合成己二酸。结果表明，以钨酸／磷酸催化氧化环己烯的催化效果最优。

Hydrogen peroxide(H_2O_2)was used as oxidant,oxalic acid as complexing agent and tungstic acid (H_2WO_4)as catalyst.

研究了以环戊烯为原料、草酸为有机络合剂、H2O2为氧化剂，在催化剂钨酸(H2WO4)的作用下一步合成戊二酸的绿色新过程，考察了氧化剂的含量、反应物配比、催化剂用量、反应温度、反应时间等对反应的影响。

The reactivity of dodecylamine, GMA and 2-ethyl-2-oxazoline reacting with grafted ABS is: GMA-ethyl-2-oxazolinedodecylamine. The reactivity of grafted polymer is: ABS-g-acrylic acid Melt grafting of undecylenic acid onto ABS was carried out in a Haake Rheocord RC90 mixer using dicumyl peroxide as initiator.

将ABS接枝物与聚酰胺熔融共混，共混物的粘度和扫描电镜结果表明接枝物的反应活性顺序为：ABS-g-丙烯酸以DCP为引发剂，在HAAKE流变仪的密炼机中能成功进行10-十一烯酸熔融接枝ABS树脂。

Then the undissolving deposition was formed on the electrode surface by using HRP catalyze hydrogen peroxide to oxidize 3, 3'-diaminobenxidine tetrahydrochloride dihydrate. So the electrochemical signal of the electrode is enlarged greatly.

通过HRP催化双氧水氧化3，3'-二氨基联苯胺在电极表面形成不溶性沉积物，从而放大电化学检测信号。

The oil yield was 28.35% under the optimal conditions. The characters of the oil were: refractive index 1.4681, acid value 9.65 mgKOH/g, iodine value 66.74 g/100 g, peroxide value 14.56 mmol/kg, unsaponifiable matters 1.93%, moisture and volatile matters 0.28%.

最佳条件下超临界CO2萃取的五叶瓜藤种子油的收率为28.35%；油的理化指标为：折光率1.4681、酸值 9.65 mg/g、碘值 66.74/100g、过氧化值14.56 mmol/kg、不皂化物1.93%、水分及挥发物0.28%。

Parts; organic peroxide A as inhibitor Iparts; fumed silica as reinforcing filler 6C parts. Technical line: pretreatment of materialdisperse fumed silica Adding other ingredients vacuumize low temperature stockpile Single component additional liquid silicone rubber potting material prepared from this paper goes through the performance test analysis, and the results show that its performance parameters are corresponding with the same kind of overseas product, so it can completely substitute the imported product.

工艺路线：原料的预处理→白炭黑的分散→其它组分的加入电子工业用单组分加成型液体硅橡胶灌封料的研究一一一争减压排气-一一争低温贮存本文所制备的单组分加成型液体硅橡胶灌封料经过各项性能检测，与国外同类产品比较，性能指标基本一致，完全可以替代进口产品。

It was found that for benzoyl peroxide initiation at room temperature, HMA is efficient than the more commonly used DMA, as indicated by decreased cure times or increased peak exotherm and barcol hardness.

比较了N，N-二甲基苯胺和N-甲基-N-2-羟乙基苯胺对不饱和聚酯树脂的固化，HMA的固化时间比DMA的短，放热峰温度和巴士硬度比DMA的高。

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。