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- The most abundant bases are cytosine, thiamine, and uracil (pyrimidines) and adenine and guanine (purines). 最丰富的碱基是胞嘧啶,胸腺嘧啶,尿嘧啶,腺嘌呤和鸟嘌呤。
- The other two, thymine and cytosine, are single ring structures called pyrimidines. 另两个为胸腺嘧啶和胞嘧啶,即称为嘧啶的单环结构。
- 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。
- One of the purines(adenine and guanine) or pyrimidines(cystosine, thymine, and uracil) that occurs attached to the sugar component of DNA or RNA. 碱基嘌呤(腺嘌呤和鸟嘌呤)或嘧啶(胸嘧啶、胸腺嘧啶和尿嘧啶)的一种,附着在脱氧核糖核酸或核糖核酸的糖分子上
- Of or relating to the specific pairing of the purines and pyrimidines between strands of a DNA or an RNA molecule. 互补的指DNA或rna分子链之间特定的嘌呤和嘧啶碱基对的互补
- This paper reports the electron ionization mass spectra(EIMS)of eight 2,4,6trisubstituted pyrimidines derivatives. 本文报道了8个2,4,6-三取代嘧啶衍生物的电子轰击电离质谱。
- One of the purines(adenine and guanine)or pyrimidines(cystosine, thymine, and uracil)that occurs attached to the sugar component of DNA or RNA. 碱基嘌呤(腺嘌呤和鸟嘌呤)或嘧啶(胸嘧啶、胸腺嘧啶和尿嘧啶)的一种,附着在脱氧核糖核酸或核糖核酸的糖分子上
- One of the purines(adenine and guanine)or pyrimidines(cystosine,thymine,and uracil)that occurs attached to the sugar component of DNA or RNA. 碱基嘌呤(腺嘌呤和鸟嘌呤)或嘧啶(胸嘧啶、胸腺嘧啶和尿嘧啶)的一种,附著在脱氧核糖核酸或核糖核酸的糖分子上
- The sequence of purines and pyrimidines in nucleic acids and polynucleotides. Included here are nucleotide-rich regions, conserved sequence, and DNA transforming region. 核酸及多核苷酸中的嘌呤或嘧啶序列;包括富含核苷区;保存序列及脱氧核糖核酸转换区.
- To synthesize aryl pyrimidines by taking benzene,methyl benzene,acetic ether,1,2-dichloroethane as solvent,the yield and purity of the product are high by taking methyl benzene as solvent. 分别选用苯、甲苯、乙酸乙酯、二氯乙烷作为溶剂合成桂皮酰哌啶,结果表明甲苯作为溶剂时产品纯度高,收率高,可用于大规模生产。
- Recent Advance on Pesticide of Pyrimidines 嘧啶类农药的研究进展
- sulfanilamide-5-methoxy pyrimidin 磺胺-5-甲氧嘧啶
- Although the incorporation of nondegradable pyrimidine analogues into DNA is usually less efficient than that of the degradable pyrimidines, issues related to radiolabeled metabolites and interpretation of the images is usually simplified. 不可分解之嘧啶核苷酸与DNA的结合效率较可分解之嘧啶核苷酸为低,但由放射性代谢物及其衍生的影像解释困难问题将会简化。
- Halides;Pyrazines, Pyrimidines &Pyridazines;Pyridazine series; 相关类别: 吡嗪类系列;
- Keywords Nickel;5 (4 Chlorophenylazo) 8 (Benzenesulfonamido)Quinoline;Spectrophoto metry; 镍;5-(4-氯苯基偶氮)-8-苯磺酰氨基喹啉;分光光度法;
- Synthesis of 5-(4-nitrophenylazo)-8-(Benzenesulfonamido)-quinoline and its Colour Reaction with Copper 新试剂5-(4-硝基苯偶氮)-8-(苯磺酰氨基)喹啉的合成及其与铜的显色反应研究
- Title: Spectrophotometric Determination of Copper with 5-(4-chlorophenylazo)-8-(benzenesulfonamido)quinoline 关键词:铜;5-(4-氯苯基偶氮)-8-苯磺酰氨基喹啉;分光光度法
- Michael addition of 3 iodo 4 oxo 4H 1 benzopyran 4 one with 2 thio pyrimidines 3-碘-苯并吡喃-4-酮与2-硫代嘧啶类的Michael加成反应
- of or relating to the specific pairing of the purines and pyrimidines between strands of a DNA or an RNA molecule 互补的,指DNA或RNA分子链之间特定的嘌呤和嘧啶碱基对的互补
- benzenesulfonamido group 苯磺[酰]胺基