所述清洁活性体系包括固体氧化试剂和金属螯合剂或碳酸盐。
The cleaning active system is comprised of a solid oxidizing agent and a metal chelating agent or a carbonate.
本文综述了近十年来强碱阴离子交换树脂支载的高分子试剂在氧化,还原,卤化和亲核取代反应中的应用。
This review deals with the recent application of strongly basic anion exchange resins as polymer supported reagents in oxidation, reduction, halogenation and nucleophilics substitutions, etc.
目的:建立一个灵敏、准确、特异、试剂稳定的乙醇氧化酶法用于测定血清微量乙醇浓度。
Objective:To establish a sensitive, accurate, specific method to determine a small quantity of alcohol in serum with stable reagents by catalysis of alcoholic oxidase.
本文综述了应用手性高分子试剂和催化剂对潜手性化合物通过不对称氧化、还原、烷基化、加成反应进行不对称合成的进展情况。
This review deals with the recent progress in asymmetric synthesis using chiral polymeric reagents and catalysts for oxidation, reduction, alkylation and addition of prochiral compounds.
三七原人参二醇型总皂苷直接用琼斯试剂氧化,得到四个人参二醇衍生物。
Protopanxadiol type crude saponin of Panax notoginseng was oxidized directly with Jones oxidation and four derivatives were obtained readily.
王水法和氯化法溶金速率快,但溶金试剂具有强氧化性和腐蚀性。
The aqua regia and chlorination leaching provided a rapid rate of dissolution, however, special attention should be given to strong oxidaion and corrosion of reagents.
在硝酸铈铵催化下,酰肼可被溴酸钠氧化成羧酸。本方法具有试剂价廉、反应迅速、操作简便、产率较高的特点。
Under the catalysis of eerie ammonium nitrate, hydrazides can be oxidized to a large amount of carboxylic acids by sodium bromate.
微波可有效地促进载体试剂的活化,大大缩短活化时间,提高氧化剂的活性。
Furthermore, it is demonstrated that the microwave irradiation enhances the activation process, decrease the activation time and increase the activity of the supported reagent.
该试剂制备简单,用于对苯偶姻的氧化,高收率地得到相应的苯偶酰类化合物,并且反应条件温和,产物易分离。
This reagent was easily prepared. The oxidation condition was mild and the products were easily separated with high yields.
用途:用于制取化学试剂、钴氧化物、钴盐,亦可以做玻璃、陶瓷等材料的着色颜料。
Application: It is used for making chemical reagent, cobalt-oxide and cobalt -salt. It can also bu used as color of glass and ceramics, ect.
概括了几种常用的三价和五价碘试剂作为氧化剂氧化醇的研究进展,并对相应的氧化机制进行了探讨。
Advances in the oxidation of alcohol promoted by I (III) and I (v) reagents are reviewed and the relevant mechanisms are discussed as well.
在最初的滴定溶液里,已知的是卡尔费休试剂,二氧化硫和碘溶解在吡啶和甲醇中。
In the original titrimetric solution, known as Karl Fischer Reagent, the sulfur dioxide and iodine are dissolved in pyridine and methanol.
详细考察了皂化试剂氢氧化钾的用量,皂化时间和温度等皂化条件对皂化程度的影响;
The effects of the saponification conditions such as the amount of added sodium hydroxide, time duration and temperature on the degree of saponification are studied in detail.
超高纯过氧化氢试剂是微电子材料加工必需的关键电子化学品。
The ultra high pure hydrogen peroxide is one of the critical chemical materials for wet chemical process in the microelectronic industry.
这些断裂试剂可分为两类,一类通过氧化断裂机制实现蛋白空间结构特异性切割,另一类通过水解断裂机制实现序列特异性切割。
The second is called hydrolytic cleavage reagents, These complexes can catalyze the hydrolysis of specific peptide bonds directed by protein sequence specificity.
用途:用作分析试剂、氧化剂、还用于医药工业。
Use: Used as an analytical reagent, an oxidant, and in manufacture of pharmaceuticals.
吡啶可以和卤素、硝基四氟化硼盐、 三氧化硫、硼烷及三氧化铬反应,形成一些有用的有机试剂。
Pyridine can react with halogens, nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.
目前,对PCP的主要处理方法是:生物方法、芬顿试剂法、光化学、电化学、臭氧处理、超声波及金属催化氧化等处理方法。
Currently, the main treatment of PCP includes: biological method, fenton reaction photochemical method, electrodeposition, ozone treatment, ultrasonic, metallocene catalysts.
以愈创为原料,用二烷· 三氧化硫加合物(D。S。试剂)作磺化剂合成呱仑酸钠,总收率71% ,产品纯度在99。5 %以上。
Sodium gualenate was prepared from guaiazulene by using dioxane sulfur trioxide(D. S. agent ) as sulfonation agent in yield of 71% with 99.5% purity.
聚合物已用作催化剂、氧化剂、功能试剂等。
It can be used as catalysts, oxidizing reagents, functional reagents and so on.
按南京建成生物工程研究所提供试剂盒说明,测定脊髓匀浆丙二醛含量及超氧化物歧化酶活性。
Referring to the kit instruction offered by Nanjing Jiancheng Biological Engineering Institute, the activity of SOD and content of MDA in spinal homogenate were measured.
用试剂盒法对超氧化物歧化酶(SOD)和谷胱甘肽过氧化物酶(GSH-PX)以及抗氧化(AOC)等指标进行了测定。
The indexes such as superoxide dismutase (SOD), glutathione peroxidase (GSH-PX) and anti-oxidation capacity (AOC) were measured by Reagent Kit method.
优选将反应试剂(12)浸渍到吸附性固体中,例如包括碳粉,沸石,氧化铝或硅 石。
The reagent (12) is preferably impregnated into an adsorptive solid, including, for example, carbon powder, zeolite, aluminum oxide, or silica.
镉试剂在0.32M氢氧化钠溶液中有清晰的还原波,峰电位在—o。
Cadion gives two distinct reduction waves in the medium of 0.32m NaOH solution.
建立了一种检测猪生殖与呼吸综合征病毒(PRRSV)血清抗体的免疫过氧化物酶单层细胞试验法(IPMA),并组装成PRRSV - IPMA抗体检测试剂盒。
A kit for detection of antibody against porcine reproductive and respiratory syndrome virus (PRRSV) was prepared by immunoperoxidase monolayer assay (IPMA) and assembled as PRRSV-IPMA kit.
方法用丙二醛(MDA)和一氧化氮(NO)试剂盒测定不同组别大鼠中度脑损伤后脑组织及血清中MDA和NO的含量。
Methods the content of malondialdehyde (MDA) and NO in the brain tissue and serum of rats in different group was examined.
无需使用和消耗大量化学试剂便可获得合格的二氧化铀,为干法或湿法氟化提供原料。
The process can yield nuclear pure uranium dioxide under making no use of a great number of chemical reagent.
本文对邻苯三酚自氧化测定超氧化物歧化酶活力的方法做了部分改进,使其操作更简便省时,节省试剂;
The pyrogallol autoxidation assay for superoxide dismutase(SOD)was partly improved to make it simpler, save time and reagents.
本文对邻苯三酚自氧化测定超氧化物歧化酶活力的方法做了部分改进,使其操作更简便省时,节省试剂;
The pyrogallol autoxidation assay for superoxide dismutase(SOD)was partly improved to make it simpler, save time and reagents.
应用推荐