查询词典 peroxide

According to this, a series of new methods to determine trace cobalt, copper, antimony, cadmium, aluminum and iron was established by taking advantage of the characteristic of metal ions with intense catalysis effect on hydrogen peroxide oxygenating rhodanine.

基于此，利用痕量金属离子对过氧化氢氧化若丹宁具有强烈催化作用的性质，建立了一系列利用新型含羧酸基偶氮若丹宁衍生物催化荧光法测定痕量钴、铜、锑、镉、铝和铁的新方法。

The effects of different use levels of nitric acid and hydrogen peroxide were studied. The slaking time and the mutual interference of those metal ions were investigated.

考察了硝酸、过氧化氢的不同用量以及消化时间长短的影响和在同一体系中铜、锌、铁、锰的彼此干扰情况。

The best technology conditions have been decided through experiment of sulfourea dioxide synthesized by sulfourea and hydrogen peroxide.

由硫脲和双氧水合成二氧化硫脲，通过试验确定了最佳工艺条件，使二氧化硫脲的收率均在 85%以上，并对母液回收进行了研究，使其收率均在 90 %以

AACC 48-42 is of high accuracy,good repetition,and is little influenced by additives of CaCO3,basic MgCO3,Benzoyl Peroxide,and sodium formaldehyde sulfoxylate...

经AACC48-42法检测我国市场上1748个小麦粉溴酸钾的添加现状，发现我国市场上不同类型的小麦粉中溴酸钾平均检出率为7.04%。

Newsprint is based on the production of mechanical pulp, and contains a lot of lignin and other impurities, and General eyewhich bleaching or just sulphinic hydrogen peroxide bleaching, not suitable for long-term storage.

新闻纸是以机械木浆为原料生产的，含有大量的木质素和其他杂质，而且一般不经过漂白或仅进行单段过氧化氢漂白，不宜长期存放。

The ligand of the chiral Schiff base and acetylacetone vanadium are subjected to complexation in situ, hydrogen peroxide is taken as an oxidant, aryl alkyl thioether asymmetric oxidation reaction is catalyzed in a toluene or dichloromethane solution under low temperature or room temperature, enantioselectivity of chiral sulphoxide is 72 percent to 95 percent ee, and yield is 42 percent to 83 percent.

将上述手性西佛碱配体与乙酰丙酮氧钒原位络合，采用双氧水为氧化剂，在甲苯或二氯甲烷溶液中低温至室温下催化芳基烷基硫醚不对称氧化反应，手性亚砜的对映选择性为72％-95％ee，产率为42％-83％。

Graft copolymerization of acrylic acid and acrylic amide onto chlorinated polyethylene by the oil-swellable suspension graft copolymerization technique was studied, benzoyl peroxide was used as the free radical initiator and ethyl acetate as the sweller.

采用溶胀悬浮接枝共聚法，将水溶性单体丙烯酸、丙烯酰胺接枝到疏水性氯化聚乙烯大分子链上，合成双亲性接枝共聚物。

The tetrabasic graft copolymer was prepared on chloroprene rubber initiated by benzoyl peroxide,with styrene,methyl methacrylate and acrylic acidas graft monomers by tetrabasic graft copolymerization.

以苯乙烯、甲基丙烯酸甲酯、丙烯酸为接枝单体，以过氧化二苯甲酰为引发剂，在氯丁橡胶上进行接枝共聚，制备出CR/St/MMA/AA四元接枝共聚物。

Tongluofangji could improve the antioxidative ability, inhibit lipid peroxide and protect the aorta thoracica endothelia in diabetic rats,and further proved diabetic angiopathy belongs to Luobing.Tongluofangji would be a new kind of drugs for the prophylaxis and treatment of the diabetic chronic complication.

通络方剂能提高糖尿病大鼠机体抗氧化能力，抑制脂质过氧化，对糖尿病所致的大鼠血管内皮损害具有一定的保护作用，进一步证明糖尿病血管病变属于络病范畴，通络方剂有望成为糖尿病慢性并发症的防治药物。

The autoclaved sol was synthesized by using titanyl sulfate (TiOSO4), ammonia as raw materials and peroxide (H2O2) as complexing agent, the AS sol was neutral or alkalescent .

以无机盐TiOSO4、氨水、H2O2为原料制备了含有针状锐钛矿晶粒的AS（autoclaved sol简写为AS）溶胶，AS溶胶呈中性或弱碱性。

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。