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- Through extracting lead and then lead measurement, result has shown that extracting lead by either potassium iodide chelating or iso-Butyl methyl ketone (MIBK) is more feasible in determination of lead in food. 通过萃取、测试、比较,结果表明:碘化钾法中使用的碘化钾和抗坏血酸络合,4-甲基戊酮-2(MIBK)萃取法比较适合食品分析。
- methyl ethyl ketone methyl ketone 基乙基甲酮
- Theoretical Study on the Enantioselective Reduction of Phenyl Methyl Ketone 苯甲酮不对称还原反应的理论研究
- STUDY ON THE SYNTHESIS OF CINNAMYL METHYL KETONE BY CLA18EN-SCHIMIDT REACTION Claisen-Schimidt反应合成甲基桂酮的研究
- Keywords pinacolyl 1 p aminophenyl 1 hydroxymethylphosphonate;soman;paraoxon;hapten;monoclonal antibody; 1羟基1对胺基苯基甲磷酸单频哪基醇酯;梭曼;对氧磷;半抗原;单克隆抗体;
- Keywords calix[4]pyrrole;p-aminophenyl methyl ketone;pyrrole;synthesis; 杯[4]吡咯;对氨基苯乙酮;吡咯;合成;
- Keywords Flourescamine;P aminophenyl sulfonic acid;P chloroaniline;Derivative reaction;Medium effects; 荧光胺;对氨基苯磺酸;对氯苯胺;衍生反应;介质效应;
- Keywords phenyl methyl ketone oxime;synthesis;oxime ether;bioactivity; 关键词苯乙酮肟;合成;肟醚;生物活性;
- Keywords nitrite;p aminophenyl naphthyl ethylenediamine;spectrophotometry;river water; 亚硝酸根;对氨基苯乙酮萘乙二胺;光度法;江水;
- Isopropylidene 5-(3-oxo-alkyl)malonates (3) were synthesized by condensation of Mannich base of isopropylidene malonate with methyl ketones in the presence of faint acid, such as acetic acid. 5-烃基丙二酸亚异丙酯的Mannich碱和甲基酮在弱酸如醋酸的存在下;合成得到缩合产物5-(3-氧代烃基)丙二酸亚异丙酯(3).
- I mind my p's and q's whenever I see him. 每当我见到他我都谨慎行事。
- In English, b, p, m and w are bilabials. 英语中的b、p、m、w为双唇音。
- Study on catalytic behaviors of polymer catalyst in synthesis of p-chloride diphenyl methyl ketone 高分子催化剂在对氯二苯甲酮合成中的作用
- Theoretical Study on Enantioselectivity of Oxazaborolidine Catalysts for Reduction of Phenyl Methyl Ketone 噁唑硼烷对苯甲酮不对称还原反应催化性能的理论计算
- AB and CD intersect at (the point) P. AB线和CD线在P点相交。
- The time now is 10:00 p, m, sharp. 现在的时间是晚上10点整。
- Keywords adamantine;1 bromoadamandine;1 adamantane methyl ketone;rimantadine hydrochloride;synthesis; 金刚烷;1-溴代金刚烷;1-金刚烷甲基酮;盐酸金刚乙胺;合成;
- Methyl ethyl ketone, isobutyl methyl ketone and isoamyl ethyl ketone for industrial use; 乙基异戊基甲酮;丁酮;容量分析;甲基异丁基甲酮;含量测定;酮;醇;
- Keywords isoborneol;chiral resource;asymmetric reduction;(-)isobornyloxymagnesium bromide;methyl ketone; 异冰片;手性源;不对称还原;左旋溴化异冰片氧基镁;甲基酮;
- Keywords cinnamyl methyl ketone;condensation agent;catalysist;benzaldehyde;acetone;synthesis; 甲基桂酮;缩合剂;催化剂;苯甲醛;丙酮;合成;