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- In method discussed in this article, tetramethyl guanidine is the protective reagent, in which 7-ADCA can solve fully; 本论文采用四甲基胍做为7-ADCA的保护试剂,使得7-ADCA完全溶解成液体形式;
- tetramethyl guanidine 四甲基胍
- Guanidine gum has better ability of temperature resistance and forming fissure. 清洁压裂液具有低污染、很强的抑制黏土膨胀能力、较强的携砂能力。
- OBJECTIVE To study the protective effect of tetramethyl pyrazine (TMP) on cyclophosphamide injured mice. 目的:考察川芎嗪对小鼠环磷酰胺损伤的保护作用。
- A compound disinfectant contains chitin,lysozyme and polyhexamethylene guanidine as the germicidal components. 试验用复方消毒剂是以甲壳素、溶菌酶及聚六亚甲基胍等为杀菌成分。
- The conformational change courses in the different concentrations of guanidine have been to be first order reactions. 同时还测定了不同浓度胍溶液中人肌酶的失活与构象变化的速度常数。
- Orthogonal analysis was done about p-fluorophenyl guanidine carbonate and optimum synthesis conditions were obtained. 同时对合成对氟苯胍碳酸盐进行了正交分析,得出了最佳合成条件。
- The results showed that the yield of 1?1 dichlor 1?1?2?2? tetramethyl disilane was rested on the amount of Grignard agent. 结果发现 ,格氏试剂的加入量决定了 1 1 -二氯- 1 2 2 2 -四甲基二硅烷的产率 ;
- Performances of direct extraction of gold from alkaline cyanide solution with guanidine hydrochloride were studied. 研究了盐酸胍直接从碱性氰化液中萃取金的性能。
- Octane and para tetramethyl benzene were served as the solvent for dissolving sample and internal standard,respectively. 正辛烷和对四甲基苯分别用作样品的溶剂和内标物,采用内标法定量。
- This could give reason for aggregate formation of GAPDH in the presence of low concentration guanidine hydrochloride. 说明在低胍作用下,酶分子发生的构象变化,导致天然态内埋疏水面的暴露,暴露的疏水面间的相互作用是形成聚合的主要原因。
- Then the inclusion bodies were redissolved by 7 mol/L guanidine hydrochloride containing 10 mmol/L of DTT. 而稀释复性法是研究其它复性方法的基础,试验中先用含2 mol/L 尿素的0.;1 mol/L Tris-HCl 缓冲液对包涵体进行洗涤,然后用含10 mmol/L DTT 的7 mol/L盐酸胍溶解包涵体。
- The 2, 2, 6, 6 - tetramethyl - 4 - piperidinol (piperidinol) was synthssized from catalytic hydrogenation of 2, 2, 6, 6 - tetramethyl - 4 - piperidone. 制备了由2,2,6,6-四甲基-4-哌啶酮催化氢化合成受阻胺类光稳定剂中间体2,2,6,6-四甲基-4-哌啶醇。
- Methods Tetramethyl rhodamine(TMR) or horseradish peroxidase(HRP)retrograde tracing and biotinylated dextran amine(BDA) anterograde tracing techniques were used. 方法四甲基罗达明(TMR)或辣根过氧化物酶(HRP)逆行追踪和生物素葡聚糖胺(BDA)顺行追踪技术。
- The renaturation of polyphenol oxidase from Tobacco denatured in 6 0 mol/L guanidine hydrochloride(GdnHCl) was investigated. 研究了盐酸胍变性烟草多酚氧化酶后的复性。
- Abstract : On the basis of guanidine thiocyanate method, an economical method of extracting and puring total RNA from Yunjie stigmas was established. 摘要 : 本文在常规异硫氰酸胍法的基础上,改进并确立了一种适合芸芥柱头总RNA的提取与纯化方法。
- Hexagonal mesoporous silica were synthesized in acidic medium by using cetyltrimethylammonium bromide (C16TMABr) as template and tetramethyl orthoslicate (TEOS) as silica source. 本文以十六烷基三甲基溴化铵为模板剂,正硅酸乙酯为硅源,在酸性条件下合成了纯硅六方介孔分子筛。
- So the flotation separation of diaspore against the aluminosilicates is feasible by using guanidine collector in high alkaline. 以十二烷基胍为捕收剂可望实现铝硅矿物反浮选分离;
- A analysis method of the bis(2,2,6,6 _ tetramethyl _ 4 _ piperidyl)maleate (BPM) in synthetic reaction solution by ion suppression chromatography is discussed. 建立了用离子抑制色谱法分析二(2,2,6,6-四甲基-4-哌啶基)马来酸酯合成反应液的方法。
- The method of synthesis guanidine nitrate from urea and ammonium nitrate in the presence of catalyst is discribed in this paper. 以尿素和硝酸铵为原料,在催化剂的存在下合成硝酸胍。