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- Keywords Pyridine azo）\|2\|naphthol;Atomic absorption;Tobacco;Copper;Spectrophotometry; 吡啶偶氮）-2-萘酚;原子吸收法;煙草;銅;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. 首次將偶氮染料和聚合膦腈酸多氟烷基取代酯相結合，合成了一類(lèi)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、乙烯基吡啶經(jīng)乳液共聚制得的膠乳。
- Pyridine is a colorless chemical liquid. 吡啶是一種無(wú)色的化學(xué)液體。
- Nylon fastening tapes with AZO free are available for108 colours. 尼龍粘扣帶不含偶氮染料，常備108種顏色的現貨。
- Removal of azo dye Acid Red B(ARB) by magnetic ferrite adsorbents. 用鐵酸鹽型磁性吸附劑去除偶氮染料酸性紅B
- Nylon fastening tapes with AZO free are available for 108 colours. 尼龍粘扣帶不含偶氮染料，常備108種顏色的現貨。
- Anneal is in favor of the crystallization of AZO films. 退火有利于薄膜結晶;
- Azo test follow EU directives requirement is 30ppm max. 偶氮測試依據歐盟正式要求是最大值為百萬(wàn)分之30.
- On the second part of the azo different nitrile synthesis of formamide. 第二部分研究了偶氮異丁腈甲酰胺的合成工藝。
- The fixation of CO2 carried out by these autotrophs, in addition to ATP, requires reduced pyridine nucleotide. 除ATP外，由這些自養生物進(jìn)行的CO2固定，需要還原的吡啶核苷酸。
- The pyridine was chemisorbed at both Lewis and Bronsted sites on the glass surface. 在玻璃表面上，吡定都是化學(xué)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. 雜環(huán)芳香族結構類(lèi)如吡啶、嘧啶類(lèi)化合物在1600厘米-1(6.;25微米)區域也有相似的一組譜帶。
- 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，尤其出現于谷類(lèi)，酵母，肝臟和鱗中，作為氨基酸合成作用中的輔酶
- Meanwhile, a thin-layer chromatography for detecting those prohibited azo dyes in textiles is presented. 同時(shí)介紹了用薄層色譜分析法檢測紡織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. 介紹了戊二醛的合成方法，包括吡啶法、吡喃法、1，5-戊二醇法、環(huán)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. 請注意在直接染色中的要求不含氮的問(wèn)題,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水平上計算了取代氧化吡啶的氣相質(zhì)子化能.
- The typical K-F reagent has disadvantage of high poisonousness and pyridine malodor. 經(jīng)典K-F試劑缺點(diǎn)是毒性大,且具有吡啶的惡臭。
- The main action of this photocatalyst on azo dye is degradation besides a certain adsor... 其對偶氮染料有一定的吸附作用,但主要為降解作用。
