您要查找的是不是:
- Keywords Pyridine azo)\|2\|naphthol;Atomic absorption;Tobacco;Copper;Spectrophotometry; 吡啶偶氮)-2-萘酚;原子吸收法;烟草;铜;分光光度法;
- Some new polymeric colorants,polyfluro alkyl esters of polymeric phosphonitrilic acid with azo dyes in the side chain,were prepared in the presence of pyridine. 首次将偶氮染料和聚合膦腈酸多氟烷基取代酯相结合,合成了一类具有阻燃、疏水憎油等特性的功能聚合物。
- Butadiene vinyl pyridine rubber latex. 丁二烯、乙烯基吡啶经乳液共聚制得的胶乳。
- Pyridine is a colorless chemical liquid. 吡啶是一种无色的化学液体。
- Nylon fastening tapes with AZO free are available for108 colours. 尼龙粘扣带不含偶氮染料,常备108种颜色的现货。
- Removal of azo dye Acid Red B(ARB) by magnetic ferrite adsorbents. 用铁酸盐型磁性吸附剂去除偶氮染料酸性红B
- Nylon fastening tapes with AZO free are available for 108 colours. 尼龙粘扣带不含偶氮染料,常备108种颜色的现货。
- Anneal is in favor of the crystallization of AZO films. 退火有利于薄膜结晶;
- Azo test follow EU directives requirement is 30ppm max. 偶氮测试依据欧盟正式要求是最大值为百万分之30.
- On the second part of the azo different nitrile synthesis of formamide. 第二部分研究了偶氮异丁腈甲酰胺的合成工艺。
- The fixation of CO2 carried out by these autotrophs, in addition to ATP, requires reduced pyridine nucleotide. 除ATP外,由这些自养生物进行的CO2固定,需要还原的吡啶核苷酸。
- The pyridine was chemisorbed at both Lewis and Bronsted sites on the glass surface. 在玻璃表面上,吡定都是化学地吸收在路易斯和布朗斯特德位置上的。
- Heterocylic aromatics such as pyridine and pyrimidines also give a somewhat similar set of bands in the 1600 cm region. 杂环芳香族结构类如吡啶、嘧啶类化合物在1600厘米-1(6.;25微米)区域也有相似的一组谱带。
- A pyridine derivative, C18H11NO3, occurring especially in cereals, yeast, liver, and fish and serving as a coenzyme in amino acid synthesis. 吡哆醇吡啶的衍生物,c18h11no3,尤其出现于谷类,酵母,肝脏和鳞中,作为氨基酸合成作用中的辅酶
- Meanwhile, a thin-layer chromatography for detecting those prohibited azo dyes in textiles is presented. 同时介绍了用薄层色谱分析法检测纺织品中禁用偶氮染料的方法。
- The synthetic methods of glutaraldehyde from pyridine, pyrane, 1,5-pentadiol, or cyclopentene, etc., are introduced. 介绍了戊二醛的合成方法,包括吡啶法、吡喃法、1,5-戊二醇法、环戊烯氧化法等。
- Pay attention on azo free problem on direct dye, some of the direct dye used are still not Azo free. 请注意在直接染色中的要求不含氮的问题,有些在使用的直接染色仍然是含氮的。
- A semi-empirical LCAO-MO-AM 1 calculation is performed for some substituted pyridine N-oxide. 在LCAO-MO-AM1水平上计算了取代氧化吡啶的气相质子化能.
- The typical K-F reagent has disadvantage of high poisonousness and pyridine malodor. 经典K-F试剂缺点是毒性大,且具有吡啶的恶臭。
- The main action of this photocatalyst on azo dye is degradation besides a certain adsor... 其对偶氮染料有一定的吸附作用,但主要为降解作用。