查询词典 oxidation-reduction

Ethyl 4-[(1-hydroxy-1-methyl)ethyl]-2-propyl-1H-imidazole-5-carboxylate,the key intermediate of Olmesartan ,was synthesized from butanoic acid and o-phenylenediamine via condensation under microwave-irradiation,oxidation,esterification and the Gringard reaction.

用正丁酸与邻苯二胺为原料，在微波照射下缩合成2-丙基苯并咪唑，再氧化开环制得2-丙基咪唑二羧酸，再经酯化、Gringard反应制得抗高血压药物奥美沙坦的关键中间体2-丙基-4-[(1-羟基-1-甲基)乙基]-1H-咪唑-5-羧酸乙酯，总收率32.2%。

The benzene (or 80% of the butene) and the excess air in a fluidized bed or fixed-bed reactor for oxidation reaction of maleic anhydride was absorbed into the cycle of acid maleic acid.

将苯（或80%的丁烯）与过量空气在流化床或固定床反应器中进行氧化反应生成顺丁烯二酸酐，被循环的酸液吸收成顺丁烯二酸。

Preparation of butyric acid by oxidation of butyraldehyde was studied.

在反应温度 50～ 60℃，氧醛摩尔比 0 。75～ 0 。875，催化剂与正丁醛的质量比 0 。1 %～ 0 。2 %，反应时间为 3 h左右的优化的工艺条件下进行了正丁醛氧化制正丁酸的研究。

On the basis of aerobic oxidation ofβ-ionone catalyzed by supported catalysts/butyraldehyde system,a series of cycloolefines such as cyclohexene,β-methylionone,α-ionone,andα-pinene were oxidized under the general conditions to give corresponding epoxides and allylic oxides.

将三种催化体系CMPS-Co_2/正丁醛、Co_2/SiIm-正丁醛、MoO_2_2/SiIm-正丁醛推广应用到不同环烯烃催化氧化反应，虽然各反应底物之间的转化率和氧化选择性变化很大，但对三种催化体系横向比较而言，其催化氧化情况相当。

Using mathematical methods studied wet oxidation catalyst butyric acid degradation reaction is in the process of TOC changes.

采用数学方法研究了催化湿法氧化降解正丁酸反应过程中的TOC变化。

Company is the largest acetic acid, ADC foaming agent, bleaching powder and rubber manufacturing enterprises TBSI, the hydrazine hydrate separation purification technology has been put into operation in the test, hydrogen peroxide oxidation ADC technology has achieved a stable production, 40,000 tons / ion-exchange membrane caustic soda and add years of frozen liquid chlorine production units have been, it is worth noting, the company leading products are highly effective fungicides calcium hypochlorite, can be used for family, food and public places in the battle against the bactericidal.

公司是国内最大的醋酸、ADC发泡剂、漂精粉和橡胶硫化促进剂生产企业，其水合肼提纯分离中试技术已投产、双氧水氧化法ADC技术也已实现稳定生产， 4万吨/年离子膜烧碱及新增液氯化冷冻机组也已投产，值得注意的是，公司主导产品漂粉精属于高效杀菌剂，可用于家庭、餐饮及公共场所的杀菌灭毒。

To improve biological performance on titanium alloy surface, micro-arc oxidation method was used to prepare ceramic oxide layer containing calcium and phosphor on surface of Ti6Al4V alloy.

为了改善钛合金表面的生物学性能，试验采用微弧氧化的方法在Ti6Al4V合金的表面生成一层富含Ca和P的生物氧化薄膜。

According to the condition of laboratory and the practices of more than 15 years,we improved the condition for calefaction and oxidation of capacity measuration GB1999,and we explored two better methods of soil organic matter determination: oven torrefaction heating method and digestor heating method.

根据实验室的条件和多年的实践，对容量法GB1999加热氧化控制条件进行改进，摸索出两种比较理想的土壤有机质测定方法：烘箱加热和消化炉加热法。

Coleus Forskohlii Accelerates the breakdown of existing fat stores Promotes healthy cardiovascular function, lowers elevated blood pressure Increases levels of cellular messenger cAMP that in turn accelerates the breakdown of existing fat stores Garcinia Cambogia Promotes weight loss and suppresses appetite Increases fat oxidation and mobilization Promotes glycogen synthesis Increases energy levels Guarana Extract When combined with other ingredients it helps to boost their effect Has been used for centuries to reduce fatigue and to increase energy levels Guggul Extract Improves thyroid functioning Increases fat metabolism Green Tea Extract When combined with the other ingredients it helps to boost their effect to burn fat Has been used for centuries to reduce fatigue and to increase energy levels lowers cholesterol and triglyceride levels Hoodia The Hoodia molecule, christened P57, fools your brain into believing you are full making it easier to lose that excess weight.

鞘蕊加速按现行发店健康促进心血管功能，降低血压升高水平增加细胞信使cAMP，从而加速了故障现行发店藤黄尚佳促进减肥和抑制食欲增加脂肪氧化和动员促进肝糖合成增加能量水平guarana提取当加上其它配料，有利于增强他们的影响已使用几百年，以减少疲劳，增加能量水平guggul提取改善甲状腺功能增加脂肪代谢的绿茶提取当合并其他成分，它有助于提高其效力燃烧脂肪已使用几百年，以减少疲劳，增加能量水平，降低胆固醇和甘油三脂各级hoodiahoodia分子，命名为p57的，阿福你的脑误认你充满使其更容易丧失过多体重。

The effects of kinds of catalysts, amounts of sodium hypochlorite and reaction time on oxidation of the Canna starch were investigated.

芭蕉芋又称蕉藕和姜芋，是东南地区的主要农作物，在福建、广西、贵州、浙江一带大规模栽培，是丰富的淀粉资源 1~2。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。