查询词典 peroxide

Hydrogen peroxide as oxidizer and sodium carbonate as remover, arsenic, iron, nickel, calciumand lead are removed from copper-bearing mixture by neutralization and precipitation, then use the liquor thathave been filtrated react with the sodium carbonate to produce basic copper carbonae and make the quality of theproduct meet the export request.

采用氧化和中和沉淀方法，以H_2O_2作氧化剂、Na_2CO_3作脱杂剂脱除含铜混合液中的As、Fe、Ni、Ca、Pb等杂质，利用其与碳酸钠反应生产减式碳酸铜，并使产品质量达到出口要求。

The experiment result shows that if Iron in the pickle of copper-smelting smoke ash is removed by Oxygen or oxidation combined with Hydrogen peroxide, Iron removing rate is 90%.

常用除铁方法主要有 [1 ，2 ] ：(1 )直接鼓风氧化生成针铁矿的形式除铁；(2 )用生成磷酸盐沉淀的方法除铁；(3 )用黄钾铁矾法除铁；(4)用过氧化氢氧化除铁；(5 )采用溶剂萃取法分离铁。

Influence of the parameters of HTT and enzyme hydrolysis process in the technology of aqueous enzymatic extraction of corn germ oil on the color, the value of acid and peroxide of corn germ oil was studied.

分析了热处理时缓冲液pH值、热处理时间及热处理温度对玉米油色值、酸值及过氧化物值影响。

The super high DP cototn linters pulp using cleaning produce technology, with the raw material cotton linters. After dry cleaning,alcoline,hydrogen peroxide cooking, beating, bleaching and pulping process, the products would be in roll or sheet size.

超高聚合度特种棉浆是利用清洁生产技术，以棉短绒为原料，经过干式除杂、碱---过氧化氢清洁蒸煮工艺制浆，再经过打浆、漂白、通过抄粕机抄造成型的卷状或片状产品。

PAN-ACF was modified by different methods, such as heat oxidation, nitric acid dipping and hydrogen peroxide dipping, the characteristics changes of the PAN-ACF before and after modification such as kinds of surface functional groups, amounts of oxygen function groups, surface microstructure and specific surface were analyzed by FT-IR, Boehm.

采用热氧化、硝酸浸渍、过氧化氢浸渍等方法对聚丙烯腈基活性炭纤维进行改性处理，使用FT-IR、Boehm滴定法、SEM、BET等分析技术表征了改性前后PAN-ACF表面官能团种类、含氧基团数量、表面微观结构及比表面积等表面特性。

Direct sky blue was treated with amplified sunlight radiation in the presence of hydrogen peroxide.

在H2O2存在条件下，对直接湖蓝染料进行强化日光辐照处理。

The photodegradation rate of atrazine increases with the increasing of hydrogen peroxide concentration.

提高双氧水的初始质量浓度，可以提高光激发氧化反应的速率。

Dispose of all items used for the biocide properly Hydrogen Peroxide · 30% H2O2 is concentrated, however, no dilution is required.

在biocide适当被使用了的所有的条款的处理氢过氧化物· 30% H2O2是专注，然而，没有稀释被要求。

Such cases as hydride ion transfer from reduced nicotinamide coenzymes or the carbanion generated by base abstraction of a substrate proton may lead to attack at the flavinN-5 positions; some nucleophiles, such as the hydrogen peroxide anion, are added on the C-4a position with its frontier orbital.

从减少烟酰胺辅酶或基片基抽象所产生的质子氢离子负离子转移这种情况可能会导致攻击的flavinN - 5的位置；例如过氧化氢负离子一些亲，被添加在C - 4A条位置其前线轨道

Objective: To investigate the feasibility of the synthesis of Ethyl-p-Nitrobenzoate catalysed by Hydrogen Peroxide. We study the effects of the actor mole ratio, catalyst dosage, reaction temperature, and reation time on the esterification rate.

目的：探讨双氧水催化合成对硝基苯甲酸乙酯的可行性，并考察了反应物的摩尔比、催化剂用量、反应温度及反应时间对产物收率的影响。

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。