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- In this paper,the optimum condition of colour reaction of glycine with acetylacetone-formaldehyde reagent in pH 6. 研究了甘氨酸与乙酰丙酮-甲醛试剂显色反应的最佳条件、反应机理及共存物质的影响等。
- The colour reaction of the reagents with bismuth, rare earth and thorium have also been studied. 研究了共与铋、稀土、钍的显色反应性能，并对其进行了提纯鉴定。
- A new reagent, dibromomethyl carboxyazo was synthesized and its colour reaction with barium was studied. 研究了钡的新显色剂二溴对甲偶氮羧的合成及其与钡显色反应的条件。
- The sensitizing effect of O/W cationic microemulsoid of CTMAB/n-C5H11OH/n-C7H16/H2O as a medium on the colour reaction of Zinc and PAR was studied. 研究了十六烷基三甲基溴化铵(CTMAB)/正戊醇/正庚烷/水组成的阳离子型O/W微乳液对以4-(2-吡啶偶氮)间苯二酚(PAR)为显色剂,光度法测定锌的增敏作用。
- Eighteen 8 aminoquinoline 5 azo derivatives were synthesized,eleven of them are new compounds.Their colour reaction with cobalt was studied. 以8-氨基喹啉为母体合成了18个5-位偶氮衍生物,其中11个是新化合物。
- Among them, the colour reaction of bibromo-caboxy-4-chloroarsenazo ( CAsA- DBE ) has the advantages of great contrast, high sensitivity and good selectivity. 其中的二溴羧基偶氮氯肿(CAsA-DBK)与稀土元素反应具有对比度大、灵敏度高、选择性好等优点。
- The colour reaction of metal ions-SCN-malachite green systrms have been studied in the presence of Polyvinyl alcohol,The colour regulation of this system has been shown. 研究了金属离子与硫氰酸盐配体所生成的金属配合阴离子和孔雀绿形成溶液中的显色反应。
- Anthrone-sulfuric method was used to determine content of polysaccharide in garlic seed and the conditions of colour reaction of anthrone-sulfuric method were optimized. 为了建立一种快速、准确测定大蒜多糖含量方法,本研究采用蒽酮-硫酸法测定大蒜多糖含量并对其测定条件进行优化。
- The study of optimum conditions of the colour reaction of scandium with chrome azurol S in the presence of tetradecyl pyridinium chloride and emulgent OP is reported in this paper. 研究了在氯化十四烷基吡啶及乳化剂OP存在下,铬天青S与钪显色反应的适宜条件。
- A simple, rapid and highly sensitive spectrophotometric method for determining Al was developed based on the colour reaction of Al3+ with morin in the presence of polyacrylamine (PAM) asstabilizer. 基于聚丙烯酰胺(PAM)作为增稳剂时;Al~(3+)与桑色素(morin)之间的显色反应;提出了一种简便、快速、高灵敏测定痕量铝的光度法.
- On basis of specific colour reaction of BCO with Cu~(2+) in weak alkaline solution,method of spectrophotometric determination of Cu content in alkaline Zn plating bath with BCO is established. 本文根据 BCO 与二价铜离子在弱碱性溶液中的特效显色反应,制定了 BCO 光度法测定碱性镀锌溶液中的铜含量。
- It is found that in a strong acid medium all these reagents give colour reactions with germanium ions and CTMAB, the most sensitive ones are salicyl-and o-nitrophenyl-fluorone. 发现水杨基萤光酮及邻硝基苯基萤光酮在强酸性介质中可以和溴化十六烷基三甲基铵形成高灵敏的胶束三元配合物.
- Try to wear a colour that is less obtrusive. 尽量穿得颜色别太显眼。
- Colour Reaction of Ni with CAS, Quanoiine and CTMAB 镍与铬天青S、喹啉、CTMAB的显色反应
- She painted the window sills a bright colour. 她把窗台漆上鲜艳的颜色。
- Keywords Iron;Barbituric acid;Colour reaction; 铁;巴比妥酸;显色反应;
- How fast does the new micro process the data? 这新微型计算机处理数据有多快?
- They want us to show some of our colour slides. 他们想看看我们的彩色幻灯片。
- His dress is very similar to mine in colour. 他衣服的颜色和我衣服的很相似。
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗？
