查询词典 dicarboxylic acid
- 与 dicarboxylic acid 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Diluted nitric acid, phosphoric acid, organic acid and medium containing smal amount of sulfuric acid or chlorion
抗病毒中和生物鉴定法进行干扰素中和抗体检测。2。但CO2只适用于强碱性、高酸中和能力的灰渣。
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Sodium5sulfoisophthalic acid dimethyl ester was prepared by sulfonation of mC 6H 4 2 with chlorosulphonic acid , treatment of the 5sulfoisophthalic acid with methanol to esterify the -CO 2H groups and separation of the product in the form of sodium salt of sulfonic acid.
研究了由氯磺酸和间苯二甲酸经磺化及酯化反应合成间苯二甲酸二甲酯磺酸钠盐的工艺方法,探讨了投料比、反应温度、催化剂用量和反应时间对产物的影
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Glycocholic acid is a kind of glycol-conjugated bile acid which exists in many animals'bile. It is one of main component of bile acid and was synthesized from cholalic acid and glycine in liver.
甘氨胆酸是胆汁酸的主要成分之一,属于结合型胆汁酸,在肝脏中由胆酸和甘氨酸结合而成。
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The optimum condition was determined via orthogonal experiments, and the result shows that the technology of bile extraction and purification adopts 10L chromato bar with 3L bile, gel silica as fixed phase, the mixed chloroform and isopropanol as mobile phase, gradient elution with mobile phase (the mobile phase ratio in extraction of cholalic acid and glycocholic acid is 4:1 , and then becomes 3:2 in extraction of glycocholic acid and glycocholic acid), and eluting velocity of 3~5mL/s .
采用正交试验筛选了柱层析最佳条件,以容积为10L的层析柱进行分离纯化,固定相为硅胶,流动相为氯仿和正丁醇混合溶剂,一次装样量3000mL胆汁,流动相采用梯度洗脱,先按4:1比例分离胆酸和甘氨胆酸,然后按3:2比例分离甘氨胆酸和牛磺胆酸,流动相洗脱速度为3~5mL/s。
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RESULTS: Sixteen compounds, ursolic acid (1), indole-3-carboxaldehyde (2), indole-3-carboxylic acid (3), p-coumaric acid (4), azelaic acid (5), N-trans-feruloyl tyramine (6), blumenol A (7), 2-hydroxy-3-methylanthraquinone (8), rubiadin l-methyl ether (9), rubiadin (10), quercetin (11), luteolin (12), chrysoeriol 6-C-β-boivinopyranosyl-7-O-β-glucopyranoside (13), alternanthin (14), stigmasta-5, 22-dien-3β-ol (15), and α-spinasterol (16) were obtained from the EtOAc extract of Alternanthera philoxeroides.
结果:得到并鉴定了16个化合物,分别为乌苏酸(1)、吲哚-3-甲醛(2)、吲哚-3-甲酸(3)、对-香豆酸(4)、壬二酸(5)、N-反式阿魏酰基酪胺(6)、布卢姆醇A(7)、2-羟基-3-甲基蒽醌(8)、甲基异茜草素-1-甲醚(9)、甲基异茜草素(10)、槲皮素(11)、木犀草素(12)、柯伊利素-6-C-β-波伊文糖基-7-O-β-吡喃葡萄糖苷(13)、莲子草素(14)、豆甾醇(15)和α-菠甾醇(16)。
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A new method for the simultaneous determination of salicylic acid, cinnamic acid, ferulic acid and vanillic acid by stacking-non-aquous-capillary electrophoresis has been proposed.
建立了同时分离测定水杨酸、肉桂酸、阿魏酸和香草酸的电堆集富集-非水毛细管电泳的新方法。
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Free organic acid: Vanillic Acid, Cinnamic acid and ferulic acid.
游离有机酸,主要为香草酸﹐桂皮酸﹐阿魏酸。
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Used the main eight kinds of phenolic acids with plant-defensive function as a control,and a high performance liquid chromatography to detected the leaves of corn that containing vanillic acid, caffeic acid, syringic acid and coumaric acid.
以植物中主要具有防御功能的8种酚酸作为对照,采用高效液相色谱法测得玉米叶片中主要含有香草酸、咖啡酸、丁香酸及香豆酸4种酚酸类化合物。
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Metabolites, including 1 phenolic diterpene, 2 phenolic acids (rosmarinic acid and caffeic acid), 2 flavonoids (6-methoxyluteolin-7-glucoside and homoplantaginin) and 1 coumaric acid ( cis-4-glucosyloxycinnamic acid), were successfully identified from two rosemary extracts with chloroform-methanol ( v / v , 3/1) and 50% aqueous methanol on the basis of HPLC, UV, NMR and MS data.
基于高效液相色谱、紫外吸收、核磁共振波谱及质谱数据,具有代表性的6个迷迭香代谢物的结构得到了确定,它们分别为1个酚类二萜、2个酚酸、2个黄酮(6-甲氧基木樨草素-7-葡萄糖苷和高车前甙)和1个香豆酸(顺-4-香豆酸葡萄糖苷)。
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In this paper, grafting of crotonic acid, undecylenic acid, oleic acid, and acrylic acid onto acrylonitrile-butadiene-styrene terpolymer were studied. Experimental factors influencing grafting, kinetics and mechanism of grafting, the reactivity of grafted polymer, and the compatibilization effects of grafted ABS on ABS blends were investigated.
本文主要研究反式丁烯酸、10-十一烯酸、油酸、丙烯酸接枝ABS树脂的影响因素、接枝反应机理和动力学、接枝物的反应活性,以及接枝物对ABS共混物的增容作用。
- 相关中文对照歌词
- Acid
- Acid Rain
- Acid 2004/5
- Acid Bomb
- Acid
- ACID (Dirty Bass ReFlip)
- Foodstamp
- I'm So Wasted
- Acid Rain
- Acid Rain
- 推荐网络例句
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Finally it offers the analysis of the fault-tolerance system as well as its test verification.
这样,运行于空间环境中的系统的设计目标就是在保证系统实时性
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However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.
然而,仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质,这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的,大多数的研究。
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By east-west into the western mountain front or in Landrace, Xing'an Mountain front to forest-steppe sub-zone and Songnen plain black or plain meadow steppe chernozem Songnen sub-regions.
按东西向分为西部山前台地或长白、兴安山前台地森林草原黑土亚区和松嫩平原或松嫩平原草甸草原黑钙土亚区。