正丁酸

词组短语

ethacetic acid

与正丁酸相关的网络例句 [注：此内容来源于网络，仅供参考]

Ethyl 4-[(1-hydroxy-1-methyl)ethyl]-2-propyl-1H-imidazole-5-carboxylate,the key intermediate of Olmesartan ,was synthesized from butanoic acid and o-phenylenediamine via condensation under microwave-irradiation,oxidation,esterification and the Gringard reaction.

用正丁酸与邻苯二胺为原料，在微波照射下缩合成2-丙基苯并咪唑，再氧化开环制得2-丙基咪唑二羧酸，再经酯化、Gringard反应制得抗高血压药物奥美沙坦的关键中间体2-丙基-4-[(1-羟基-1-甲基)乙基]-1H-咪唑-5-羧酸乙酯，总收率32.2%。

Preparation of butyric acid by oxidation of butyraldehyde was studied.

在反应温度 50～ 60℃，氧醛摩尔比 0 。75～ 0 。875，催化剂与正丁醛的质量比 0 。1 %～ 0 。2 %，反应时间为 3 h左右的优化的工艺条件下进行了正丁醛氧化制正丁酸的研究。

Using mathematical methods studied wet oxidation catalyst butyric acid degradation reaction is in the process of TOC changes.

采用数学方法研究了催化湿法氧化降解正丁酸反应过程中的TOC变化。

Results When Raji and B95-8 cells were cultured with 20-80 μg/ml of "Dongxia wan", the expression of EBV early antigen and EBV capsid antigen induced by croton oil and n-butyric acid and the natural expression of EBV-VCA were all inhibited significantly. The inhibition rates were 19.3%-49.84%, 34.63%-45.61% and 21.67%-47.78% respectively.

结果 20～80 μg/ml中药复方"冬夏丸"与靶细胞共培养能显著的抑制巴豆油和正丁酸联合诱发Raji细胞的EBV早期抗原和B95-8细胞的EBV壳抗原表达及B95-8细胞的EBV-VCA自然表达，抑制率分别是19.31%～49.84%，34.63%～45.61%和21.67%～47.78%。

The morphology, component and structure of electrolytically etched surface are characterized and the mechanism of electrolytic etching and graining is also discussed based on the theoretical analysis. The components that can form barrier layer or dissolve the resisting layer on the surface of Al-Mg-Si alloy specimens are investigated through voltamperometric and chronoamperometric analysis in several solutions.

通过对Al-Mg-Si合金在各种溶液中的电流密度—电位曲线及电位—时间曲线的测量与分析，筛选出能够在Al-Mg-Si合金表面形成阻挡层的成分和对阻挡层有刻蚀作用的成分，并进行复配实验对比，优选出偏硼酸钠-硼酸、酒石酸-碳酸钠、磷酸钠-正丁酸和柠檬酸钠-柠檬酸等4种图纹电解刻蚀液体系。

The fenchyl hypochlorite is used for fair bleach, and the perborate is used for detergent. Other ester, such as the fenchyl benzoate is a kind of perfume fixative, the fenchyl butyrate is dressing agent, and the fenchyl isobutyrate has slightly fruity, sweet herbal and vetiver base odor.

葑醇的次氯酸酯可作为女性的美白剂，硼酸酯是优良的清洁剂，其它的酯类如苯甲酸酯有定香作用，正丁酸酯在松木型香精中可用作修饰剂，异丁酸酯则稍有果香、甜的药香和似香根的底香。

At different time-points after LPS challenge in the presence or absence of SB, the rat tissue sample and alveolar macrophages were collected.

方法脂多糖注射复制大鼠急性肺损伤模型，在LPS致伤后不同时相点（有或无正丁酸钠SB干预时）获取肺组织及肺泡巨噬细胞。

Our main products category has chloride (pivaloyl chloride, acetyl chloride, Propionyl chloride, methyl acryloyl chloride, butyl chloride, 2 - furyl chloride already chloride, acryloyl chloride, is amyl chloride, etc.) and acids (positive acid, pivalate, propionate, acetic acid, methyl acrylate, 2 - furoic acid, etc.) and so on dozens of products.

我公司主要生产的产品有酰氯类（特戊酰氯、乙酰氯、丙酰氯、甲基丙烯酰氯、正丁酰氯、2-呋喃甲酰氯、己酰氯、丙烯酰氯、正戊酰氯等）和酸类（正丁酸、特戊酸、丙酸、乙酸、甲基丙烯酸、2-呋喃甲酸等）等几十种产品。

Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.

以硫酸氢钾为催化剂，正丁酸和异戊醇为原料合成了正丁酸异戊酯。

In chapter I, We study that the catalysis of Al~(3+) on the reduction of Cr~(6+) by citrate acid, tartaric acid, oxalate acid, butyric acid, laetrile acid and malic acid at different temperatures and pH.

本论文共分三部分：第一部分：在不同的温度和pH条件下，通过批式试验研究了Al~(3+)对柠檬酸、酒石酸、草酸、正丁酸、苦杏仁酸、苹果酸还原Cr~(6+)的催化作用。

与正丁酸相关的网络解释 [注：此内容来源于网络，仅供参考]

Bz Benzoyl：苯甲酰基

n-BuOTS n-butyl tosylate 对甲苯磺酸正丁酯 | Bz benzoyl 苯甲酰基 | Bzl benzyl 苄基

DOA：已二酸二辛酯

主营产品: 卡托辛 叔丁基二茂铁 亚铬酸铜 氧化膦 防老剂H 辛基二茂铁 正辛基二茂铁 三苯基铋 麝香105 10-羟基癸酸 10-溴代癸酸 二氯磷酸苯酯 昆虫性外激素 无定形元素硼 癸二酸二辛酯(DOS) 已二酸二辛酯(DOA) 三醋酸甘油酯 三

furfuraldehyde：糠醛

但幼苗中不含蒿属香豆素而含绿原酸(水解后产生咖啡酸)及对羟基苯乙酮(4-Hydroxyacetophenone),全草含挥发油约0.6%,以花期含量最高,约达0.95%,其中含有:侧柏醇(Thujyl alcohol),正丁醛,糠醛(Furfuraldehyde),甲基庚酮(Methylheptanone),

Gastric Acid：胃#p# 酸

Isobutanol:正丁醇 | Gastric Acid:胃#p# 酸 | Propanone:丙酮

acetylacetone：乙酰丙酮

研究了乙酰丙酮(acetylacetone)改性正丁醇锡(tin alkoxide)在氢氟酸、盐酸、氢溴酸、硝酸、乙酸和氨催化剂作用下的溶胶-凝胶体系的动力学过程.利用近似线性聚合生长模型求出了不同催化剂作用下改性醇盐的平均缩合反应速率以及溶胶团簇的平均官能度,

butyric anhydride：丁酐

以正丁酐(Butyric anhydride)、壳聚糖(Chitosan)、甲基丙烯酰氧基丙基三甲氧基硅烷(MPTMS)、正硅酸乙酯(TEOS)为原料,采用迈克尔加成反应合成了丁酰壳聚糖-MPTMS,配合酸催化sol-gel过程,制备了透明的壳聚糖/SiO2杂化材料,FTIR表征了杂化材料的结构.

cadmiferous：含镉的

cadmic | 正镉的 二价镉的 | cadmiferous | 含镉的 | cadminate | 丁二酸镉

trimyristin; Myristin：三肉豆蔻酸甘油酯

氢氧化三甲基乙烯基铵;神经碱 trimethylvinylammonium hydroxide; neurine | 三肉豆蔻酸甘油酯 trimyristin; Myristin | 正三丁硼[烷] tri-n-butylborine

Primary monoamines：一烷基胺(yi wan ji an)类

Polysolvan O?? 乙醇酸正丁酯 | Primary monoamines 一烷基胺(yi wan ji an)类\\\\ | n-Propanal 正丙醛

Glycolic acid n-butyl ester：乙醇酸正丁酯

Genomoll? 100 邻苯二甲酸二-(2-乙基己)酯 | Glycolic acid n-butyl ester 乙醇酸正丁酯 | n-Heptanal 正庚醛