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Keywords isonicotinic acid;synthesis;fluorescence reagent; 异烟酸;合成;异烟酰腙类试剂;
Keywords isonicotinic acid;4-methylpyridine;direct electrosynthesis; 异烟酸;4-甲基吡啶;直接电合成;
Keywords isonicotinic acid;4 methylpyridine;titanium electrode coated with lead dioxide;electrochemical synthesis;oscillopolarography; 异烟酸;4甲基吡啶;钛基二氧化铅电极;电化学合成;示波极谱法;
The two now isonicotnic acid hydrazone and N-oxide isonicotinic acid hydrazone of ethyl furoyl acetates were synthesised. The condensations were carried out in ethyl alochol medium. 合成了呋喃甲酰乙酸乙酯异烟酰腙和呋喃甲酰乙酸乙酯N-氧化异烟酰腙。缩合反应在乙醇中进行。
From isonicotinic acid,the compound isoniazide was prepared,then nine new compounds of isonicotinoyl hydrazones were synthesized and characterized by elemental analysis and 1HNMR . 从异烟酸出发,先合成异烟酰肼,然后与羰基化合物进行缩合反应,合成了9个新的异烟酰腙类试剂。用元素分析、核磁共振氢谱确证了他们的结构
Methyl isonicotinate was synthesized using isonicotinic acid and anhydrous methanol as raw materials in presence of solid super acid as catalyst. 以异烟酸、无水甲醇为原料,固体超强酸做催化剂,合成了异烟酸甲酯。
isonicotinic acid hydrazide methane sulfonic acid 异烟肼甲磺酸
INAH(isonicotinic acid hydrazide) 异烟肼, 雷米封, 异烟酰肼[抗拮核药]
Isonicotinic Acid Benzylidenehydrazide 苄叉异烟肼[抗结核药]
isonicotinic acid berlzylidenehydrazide 苄叉异烟肼(抗结核药)
Isonicotinic acid hydrazide measurement 异烟肼测量
Isonicotinic Acid Hydrazide Methanesu-lfonic Acid 异烟肼甲磺酸
isonicotinic acid hydrazide methanesulfonic acid 异烟肼甲磺酸
Isonicotinic Acid Veratrylidenehydrazide 藜芦烟腙, 藜芦异烟肼[抗结核药]
Keywords HCN;Continuous flow analyzer;Isonicotinic acid;Barbituric acid;Cigarette;Mainstream smoke; 连续流动法;异烟酸;巴比妥酸;卷烟;主流烟气;
Keywords nicotinic acid;isonicotinic acid;glucosyl ester;phase transfer catalysis; 烟酸;异烟酸;糖酯;相转移催化法;
Keywords Primary-secondary wavelength;Isonicotinic acid;Barbituric acid;Water;Cyanide;Spectrophotometry; 主次波长;异烟酸-巴比妥酸;水样;氰化物;光度法;
Keywords cyanide;spectrophotometry comparision;isonicotinic acid and barbituric acid; 总氰化物;异烟酸-巴比妥酸光度法;对比;
Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
Make bulk changes to keywords, ads, and ad groups. 批量更改关键字、广告和广告组。