查询词典 oxidant

The types of atmospherically relevant investigations described include the measurement of reactivities, the measurement of radicals, the measurement of photolysis frequencies and products, kinetic and product studies on the oxidation of different types of hydrocarbons by important oxidant species (OH, N03, 03), formation of secondary organic aerosol from hydrocarbon oxidation etc. A special section includes contributions from eastern European countries which highlight some of the environmental research being performed in these countries.

大气的类型描述的相关的调查包括reactivities的测量，激进主义者的测量， photolysis 频率和产品的测量，动力和产品在烃以重要氧化剂种类的不同类型的氧化上研究(噢， N03，03)，由烃氧化形成第二有机的烟等等特别部分从东欧国家那里包括贡献哪最精彩场面一些环境研究。

The oxidative desulfurization of model oil and straight-run diesel catalyzed by phosphomolybdic acid under traditional heating and microwave radiation was studied, with benzothiophene and dibenzothiophene dissolved respectively in n-octane as the model oil and the aqueous solution of H2O2 as the oxidant.

将苯并噻吩和二苯并噻吩分别溶于正辛烷配成模型油，以H2O2为氧化剂，研究普通加热和微波辐射加热下磷钼酸催化模型油和直馏柴油的氧化脱硫效果。

The invention relates to a processing method of preventing frostbite and restarting of hydrogen electric pile, whose characteristic lies in the treating processes includes: When the electric pile turns off, the unsaturated fuel gas or the nitrogen, through the circle boast to clean the dissociate water; drying the MEA film module to keep the water content below the stipulated temperature which does not ice up; then the recycle gas through a wet exchanger to dry and the dried gas is continue used in the dry pile step; when restarting the electric pile, the recycle gas must heats then through the pile to elevate the temperature, then heats the fuel gas and the oxidant of the gas source, through the weting of the wet exchanger enters to the calefactive pile, enhances the wet step of the film module in the pile, starts the power output of the pile.

本发明涉及一种氢电堆的防冻和重新启动时的处理方法，其特征在于处理过程包括：电堆停机时，将水蒸气不饱和的燃料气体或氮气，通过循环吹扫除去电堆的游离水；干燥其中的MEA膜组件，使膜组件含水量降低到规定低温下不结冰的程度；而后再令循环气体通过一个湿交换机将循环气体干燥，以及被干燥后的循环气体继续用来干燥电堆的步骤；在电堆重新启动时，须将循环气体加热后通过电堆，使电堆升温，然后再将气源的燃料气及氧化剂加热，通过湿交换机加湿后进入已升温的电堆，提高电堆中膜组件的湿度的步骤，开始电堆的功率输出。

Carnosine has a very good protection effects on DNA oxidant damage in Ascorbate-Fe(superscript 2+) system and its antioxidant ability has a close connection with its imidazole cycle.

肌肽在维生素C-亚铁离子系统中对DNA氧化损伤有明显的保护作用，其抗氧化机制可能与其所含的咪唑环有关。

Meanwhile, as a putative neurotransmitter in the brain, carnosine has a protective effect in many diseases such as AD, because of its abundant functions such as an anti-oxidant, in anti-glycation, anti-aging.

同时，有研究表明肌肽作为脑内一种重要的神经递质，对多种神经系统疾病如AD具有保护作用。

Using dichloropinacolone as starting material, ruthenium dioxide/celite as catalyst and sodium hypochlorite as oxidant, 3,3-dimethyl-2-oxo-butyric acid is prepared through hydrolization and oxidation two reaction steps.

以二氯频哪酮为起始原料， RuO2/Celite 为催化剂， NaOCl 作氧化剂，经水解、氧化两步反应制得3，3-二甲基-2-氧代丁酸。

Regarding the thermobaric explosive further tests, the research showed that the compressive stress was 6.699MPa; The tensile stress was 0.716MPa; Heat sensitivity was 288℃(5s); The anti-overload capacity may withstand 1.0×104g launch overloads and smaller than 2×105g the impact deceleration overload; first decomposition temperature was 251.9 ℃, highest exothermic peak temperature was 286.9 ℃; In the compatibility, except the ceresin and Oxidant, the ceresin and the F rubber, the ceresin and Al compatible rank could reach to second level of compatibility, the others could reach to the first level of compatibility.

对此粘结-钝感体系包覆的温压炸药样品进一步测试研究显示：抗压强度为6.699MPa；抗拉强度为0.716 MPa；热感度为288℃（5s爆发点）；抗过载能力为可承受1.0×104g的发射过载和小于2×105g的撞击减速过载；安定性为分解温度251.9℃，最高放热峰温度286.9℃；内相容性为除蜡类钝感剂+氧化剂，蜡类钝感剂+F橡胶，蜡类钝感剂+Al相容性等级为2级相容性较好外，其他组分间相容性均为1级，相容性很好。

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。

Using o-nitrotoluene as an oxidant,the improved preparation of 7-chloroquinldine was studied by classical Skraup reaction of m-chloroaniline and crotonaldehyde.

研究了以邻硝基甲苯为氧化剂，间氯苯胺和巴豆醛通过经典的Skraup反应制备7-氯喹哪啶的改进方法。

Using o-nitrotoluene as an oxidant, the improved preparation of 7-chloroquinldine was studied by classical Skraup reaction of m-chloroaniline and crotonaldehyde.

研究了以邻硝基甲苯为氧化剂，间氯苯胺和巴豆醛通过经典的Skraup反应制备7-氯喹哪啶的改进方法。7-氯喹哪啶的收率为46.7%，质量分数99.2%；副产物为二氯喹哪啶，收率13.4%。

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。