1)H2O2H2O2含量
1.Effect of UV-B radiation on contents of Rubisco and H2O2 and proteolytic activity in leaves of seedlings of two alfalfa varieties was studied.研究了两个苜蓿品种幼苗在UV-B辐射下叶片Rubisco含量、蛋白水解酶活性和H2O2含量的变化。
2.To understand the role of H2O2 in the damaging effect of UV-B radiation on ribulose-1, 5-bisphosphate carboxylase/oxygenase (Rubisco) content, the time courses of changes in Rubisco and H2O2 contents under UV-B treatment were measured in the primary leaves of two mung bean cultivars (Phaseolus raditus L.为了探讨UV-B辐射引起的Rubisco含量降低的可能机制,研究了两个绿豆品种(秦豆-20和中绿-1)幼苗在UV-B辐射下叶片Rubisco含量、蛋白水解酶活性和H2O2含量的变化。
3.Studied Melon seedlings(Zhengtian-2 and Singnong-8)under the condition of UV-B radiation,the content changes in Rubisco,GR and proteolytic activity and H2O2,ASA,GSH in leaves.结果表明:UV-B辐射显著提高了2个甜瓜品种幼苗H2O2含量和蛋白水解酶活性,降低了Rubisco、ASA、GSH、含量,兴农-8尤为明显。
2)quinary of Containing H 2O 2含H2O2五元系
3)Hydrogen peroxide preparationH2O2产生量
4)H 2O 2 consumptionH2O2消耗量
5)quantitative determination of H_(2)O_(2)H2O2定量测定
6)hydrogen peroxideH2O2
1.In papermaking industry, in order to control the technics and develop the efficiency of hydrogen peroxide bleaching, the content of hydrogen peroxide was titrated accurately in bleaching solution.制浆造纸生产中为了控制漂白工艺和提高H2O2的漂白效率,需要准确测定H2O2的浓度,目前常用的测定方法是KMnO4法和Na2S2O3法。
2.In a Ce(Ⅳ)solution,Ce(Ⅳ)is reduced with hydrogen peroxide,then titrated with sodium hydroxide,with methyl orange as indicator.在Ce(Ⅳ)存在的溶液中,Ce(Ⅳ)先被H2O2还原,然后以甲基橙作指示剂,用NaOH直接滴定;或者在H2O2还原后的溶液中加入Ca-EDTA溶液掩蔽还原生成的Ce(Ⅲ),以对硝基酚或溴百里酚蓝指示,NaOH滴定。
3.Decomposition of hydrogen peroxide is a key step in catalytic peroxide oxidation process.为了考察催化湿式氧化中H2O2分解的影响因素,以CuO/γ-Al2O3为催化剂,模拟苯酚废水为对象,实验研究了该体系中H2O2分解的动力学规律,系统考察了H2O2加入量、催化剂加入量、溶液pH和温度对H2O2分解的影响。
quinary of Containing H 2O 2含H2O2五元系
3)Hydrogen peroxide preparationH2O2产生量
4)H 2O 2 consumptionH2O2消耗量
5)quantitative determination of H_(2)O_(2)H2O2定量测定
6)hydrogen peroxideH2O2
1.In papermaking industry, in order to control the technics and develop the efficiency of hydrogen peroxide bleaching, the content of hydrogen peroxide was titrated accurately in bleaching solution.制浆造纸生产中为了控制漂白工艺和提高H2O2的漂白效率,需要准确测定H2O2的浓度,目前常用的测定方法是KMnO4法和Na2S2O3法。
2.In a Ce(Ⅳ)solution,Ce(Ⅳ)is reduced with hydrogen peroxide,then titrated with sodium hydroxide,with methyl orange as indicator.在Ce(Ⅳ)存在的溶液中,Ce(Ⅳ)先被H2O2还原,然后以甲基橙作指示剂,用NaOH直接滴定;或者在H2O2还原后的溶液中加入Ca-EDTA溶液掩蔽还原生成的Ce(Ⅲ),以对硝基酚或溴百里酚蓝指示,NaOH滴定。
3.Decomposition of hydrogen peroxide is a key step in catalytic peroxide oxidation process.为了考察催化湿式氧化中H2O2分解的影响因素,以CuO/γ-Al2O3为催化剂,模拟苯酚废水为对象,实验研究了该体系中H2O2分解的动力学规律,系统考察了H2O2加入量、催化剂加入量、溶液pH和温度对H2O2分解的影响。
延伸阅读
《纺织品纤维含量的标识》(FZ／T01053—1998)《纺织品纤维含量的标识》(FZ／T01053—1998)Textiles-Designation of Fibre Content FangZhiPin Xian明1 Honliong de BiaOZhi《纺织品纤维含t的标识》(万刀T 01053一1998)(爪荡￡幼郎.加匆刁以勿nof踢。。几饱瓜)纤维种类及其含量是纺织品品质标志的重要内容之一。根据纺织制品形式和结构，提出了标注纤维含t的具体要求，解决了不同产品标识的统一问题，如带里料的产品应对里和面分别标注;带填充物的产品应把填充物和套分别标注;二种以上的不同织物拼接或镶嵌的产品应分别标注不同织物;只起装饰作用而不作为产品主体的可以不标。规定统一采用国家标准规定的纤维名称，避免了任意标注商品名称、外来语名称等造成的纤维名称混乱问题;规定了以成品中某种纤维的量占纤维总量的百分数表示，而不以生产实际的投料比例标注，解决了纤维含t概念(即基数不清)的问题。明确规定了各种纺织品的纤维含量允差，既与原有的纺织品标准衔接，又明确了各种单一纤维纯纺、二组分或多组分纤维混纺或交织产品的明示含t值与实际值可允许的差值，使标准具有可操作性，解决了含t偏差判定的根本问题，使市场抽查有据可依。对统一纤维成分及其含量的标识起到了积极的指导作用，对保护消费者的利益，维护生产者的合法权益有着重要意义。(郑宇英)
