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- We are looking for Meta Toluic Acid. Serious reponses are welcome. ... 查看“化工-有機化工原料-有機酸”:公司信息商品信息供應信息
- Under the acid free condition, 3 acetyl 2 hydroxy 6 methyl pyran 4 one (8) was obtained and its structure was confirmed by X ray diffraction analysis. 在沒(méi)有酸催化的條件下,反應生成3乙?；?羥基6甲基-吡喃4酮(8),并通過(guò)單晶X射線(xiàn)衍射分析確定了產(chǎn)物的結構;
- With the mole ratio of p - toluic acid and uren to be 1: 1 .6 and sectionalization heated - shielded,the product yield is 75.6% . 當對甲苯甲酸與尿素的摩爾比為1：1．6，采用分段保溫的加熱方式，產(chǎn)品收率達75．6%25。
- The improved conditions were: mol ratio of p - toluic acid to urea was 1:16, employing a sectional heating and temperature maintenance technique.The yield was 75. 6% . 當對甲苯甲酸與尿素的摩爾比為1:1.;6;采用分段保溫的加熱方式;產(chǎn)品收率達75
- 1.5 bis (2 hydroxy 5 sulfophenyl)-3-cyanoformazan 1,5-二（2-羥基-5-磺酸基苯）-3-氰基甲膳
- any of a class of alcohols having 2 hydroxy groups in each molecule 每個(gè)分子中含兩個(gè)羥基的一類(lèi)醇
- Keywords solvent;p toluic acid;p tolunitrile;synthesis; 溶劑;對甲苯甲酸;對甲苯甲腈;合成;
- Keywords phthalic acid;toluic acid;polarography;determination; 鄰苯二甲酸;鄰甲基苯甲酸;測定;極譜法;
- Synthesis of S (-) N [(1 ethyl 2 pyrrolidinyl) methyl] 2 hydroxy 3 iodo 6 methoxybenzamide 胡名揚,梁高林, 乙基-2-吡咯烷基)甲基]-2-羥基-3-碘-6-甲氧基苯甲酰胺的合成
- Keywords di （2 hydroxy 5 sulfophenyl） 3 cyanoformazan disodium salt（DSPCF）;Aluminium;fluorine;colour reaction; 二（2-羥基-5-磺基苯基）-3-氰基甲月替;鋁;氟;顯色反應;
- Determination of phthalic acid in toluic acid by single-sweep oscillopolarography 單掃描示波極譜法測定鄰甲基苯甲酸中的鄰苯二甲酸
- Keywords photosensitized initiator;2 hydroxy 2 methyl 1 propiophenone;synthesis; 光敏引發(fā)劑;2-羥基-2-甲基-1-苯基丙酮;合成;
- Keywords tolunitrile toluidine xylene ammoxidation toluic acid amination tolualdehyde;oximation dehydration synthesis; 甲（基）苯甲腈;甲（基）苯胺;二甲苯;氨氧化;甲（基）苯甲酸;氨化甲（基）苯甲醛;肟化;
- Will 2,000 dozens be enough for selling? 兩千打夠賣(mài)嗎？
- SPECTROPHOTOMETRIC STUDIES ON AND APPLICATIONS OF THE REACTION OF COPPER WITH 2 HYDROXY 3 CARBOXY 5 SULFOBENZENEDIAZOAMINOAZOBENZENE 郭忠先, 銅與2-羥基-3-羧基-5-磺酸基苯重氮氨基偶氮苯反應的分光光度法研究及應用
- The counselor bilked his clients out of$2 million. 那位顧問(wèn)從他的顧客那里騙取了200萬(wàn)美元。
- Every afternoon the baby takes a nap for 2 hours. 每天下午寶寶都要睡兩個(gè)小時(shí)。
- He added 2 gallons of fuel to his car. 他給汽車(chē)加了2加侖油。
- She demonstrated that 2 and 2 are four. 她證明2加2等于四。
- If you subtract 2 from 8, you get 6. 8減去2是6。
