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- Keywords analytical chemistry;titration;butanedione dioxime;Au alloys;Ag alloys;Pt alloys;Pd alloys;Pd; 分析化学;滴定法;丁二肟;金合金;银合金;铂合金;钯合金;钯;
- butanedione dioxime 丁二肟
- Ironic chloride gave the best result and butanedione was obtained in about 85% yield. 氯化铁效果最好,丁二酮产率在85%25左右。
- Amino acid analysis showed that the inactivation of the enzyme was due to the modification of the arginyl residue by butanedione( Table3). 氨基酸分析表明,酶的失活是因为丁二酮修饰了精氨酸残基。
- Butanedione (diacetyl) is an important aroma chemical with strong butter flavor.In traditional method, 2, 3-Butanedione is produced via synthetic way. 摘要2,3-丁二酮又称双乙酰,是一种黄色至浅绿色具有强烈奶油香味的重要香料。
- Butanedione as feed scenting agent may improve appetite and capacity for eating of animal,and increase efficiency of production. 丁二酮作为饲料香味剂,可增加动物食欲及采食量,提高生产效率。
- Butanedione(diacetyl) is an important aroma chemical with strong butter flavor.In traditional method, 2,3-Bu-tanedione is produced via synthetic way. 丁二酮又称双乙酰,是一种黄色至浅绿色具有强烈奶油香味的重要香料。
- Butanedione has sweet, cream and butter aroma and is an important flavor compound.It has been used in various flavoring formulations widely. 摘要丁二酮具有甜的、奶油、黄油香气,是一种重要的香料化合物,广泛用于各种香精配方中。
- Four oxidants,including ironic chloride,ironic sulfate,cupric chloride and cupric sulfate,were compared to be used to oxidize acetoin to prepare butanedione. 比较了氯化铁、硫酸铁、氯化铜和硫酸铜4种氧化剂氧化乙偶姻制备丁二酮的效果,其氧化效果的顺序依次是:氯化铁>氯化铜>硫酸铁硫酸铜。
- Objective To assess the diagnostic value of ~(99m)Tc-sestamibi (~(99m)Tc-MIBI)combined with ~(99m)Tc labeled 4,9-diaza-3,3,10,10-tetramethyldodecan-2,11-diane dioxime (~(99m)Tc-HL91) hypoxia imaging in primary lung cancer. 目的探讨~(99m)Tc-甲氧基异丁基异腈(~(99m)Tc-MIBI)肺亲肿瘤显像联合~(99m)Tc-4,9-二氮- 3,3,10,10-四甲基十二烷-2,11-二酮肟(~(99m)Tc-HL91)乏氧显像对原发性肺癌的诊断效能。
- Objective To establish a new scintigraphic method of 201 Tl and 99 Tc m 4,9 diaza 3,3,10,10 tetramethyldodecan 2,11 dione dioxime (HL91) dual isotope imaging for assessing the myocardial perfusion and hypoxia simultaneously. 目的 用2 0 1 Tl与99Tcm 4 ,9 二氮 3,3,10 ,10 四甲基十二烷 2 ,11 二酮肟(HL91)同时评价心脏病患者心肌灌注与乏氧。
- Objective To study and compare the diagnostic value of(~(99)Tc~m)-4,9-diaza-3,3,10,10-tetramethyldodecan-2,11-dione dioxime(HL91) hypoxia imaging and(~(18)F)-fluorodeoxyglucose(FDG) dual-head coincidence(DHC) imaging in primary breast cancer. 目的对比研究99Tcm-HL91显像和18F-FDG显像诊断乳腺癌的临床价值。
- In this study,free hydroxyamine reacted with diethyl oxalate to produce diethoxyethanedialdioxime.By the hydrolysis of diethoxyethanedial dioxime,we obtained dihydroxrethanedial dioxime. 用游离的羟胺与草酸二乙酯反应制得二乙氧基乙二肟,水解得到二羟基乙二肟。
- Objective: To evaluate the effects of initial reperfusion with different concentration of 2,3 butanedione monoxime(BDM) on the mechanical function and oxygen metabolism in hearts following cold cardioplegic arrest. 目的:探讨不同浓度的2,3-丁二酮单肟(2,3 butanedione monoxime,BDM)初始复灌对停搏心脏机械功能和氧代谢恢复的影响,确定理想作用浓度并初步探讨其机制。
- Methods:24 Wistar rats were divided into four groups,namely 2,3 butanedion monoxime (BDM) pretreated group (A),bFGF positive treated group(B),normal saline group (C),and shamoperated controls (D). 方法:24 只大鼠分成内源性bFGF激活A 组、bFGF治疗B组、生理盐水对照治疗C组以及正常对照D组。
- phenanthrenequinone dioxime anhydride 菲醌二肟酐
- bis (phenyl - methyl - pyrazolone - yl) butanedione 双-(苯基-甲基-氧代吡唑基)丁二酮
- Keywords nickel;diacetyl dioxime;gravimetric method; 镍;丁二酮肟;重量法;
- Keywords dioxime;synthesis;modified carbon electrode; 二肟;合成;修饰电极;
- Keywords Oxalyl chloride;2;3 butanedione;UV photolysis;IR emission spectrum; 草酰氯;2;3-丁二酮;紫外光解;红外发射光谱;