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羟基蒽醌

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Benzene,pitch coke, phenol,ocresol,m,pcresol,xylenol,coumarone resin,ammonium sulphate,pure naphthalene,quinoline,refined quinoline 98%,isoquinoline,8hydroxyquinoline,2methyl naphthalene,anthraquinone,carbazole,carbon black.

纯苯,沥青焦,苯酚,邻甲酚,间对甲酚,二甲酚,古马隆树脂,硫酸铵,精萘,喹啉,精喹啉,异喹啉,8羟基喹啉,2甲基萘,蒽醌,咔唑,炭黑。

This diad or model compound (FL4) is adsorbed on TiO_2 colloid through the phenolic function of the fluorescein moiety.

发现荧光素蒽醌甲酯与荧光素丁酯均可通过酚羟基较好地吸附在TiO_2胶体上。

Methyl 3,6,8-trihydroxy-7-methoxy-1-methylanthraquinone-2-carboxylate is a new COX-2 selective inhibitor isolated from Gladiolus gandavensis.

1-甲基-2-甲氧羰基-3, 6, 8-三羟基-7-甲氧基蒽醌是从唐菖蒲干球茎中分离到的具有环氧化酶-2选择性抑制活性的多取代蒽醌类化合物。

The 1,5-Bis(4-aminophenylazo) anthraquinone, 1,5-bis(4-hydroxyphenyl azo) anthraquinone and 1,5-bis(3-methyl-4-hydroxyphe nylazo) anthraquinone were synthesized by diazotizing 1,5-biaminoanthraquinone with nitrosyl sulfuric acid and coupling with aniline, phenol and o-cresol.

合成以1,5-二氨基蒽醌为原料,经亚硝酰硫酸重氮化,分别和苯胺、苯酚及邻甲酚偶合,得到双(4-氨基苯)-1,5-二偶氮蒽醌,双(4-羟基苯)-1,5-二偶氮蒽醌和双(3-甲基-4-羟基苯)-1,5-二偶氮蒽醌,反应产率达47%~62%。

Results Eleven compounds were isolated and identified as:quercetin(1),kaempferol(2),quercitrin(3),protocatechuic acid(4),gallic acid(5),protocatechuic acid ethyl ester(6),ethyl gallate(7),vanillic acid(8),1,5,7-trihydroxyl-3methylan...

结果得到11个化合物,分别鉴定为:槲皮素(1)、山柰酚(2)、槲皮苷(3)、原儿茶酸(4)、没食子酸(5)、原儿茶酸乙酯(6)、没食子酸乙酯(7)、香草酸(8)、1,5,7-三羟基-3-甲基蒽醌(9)、琥珀酸(10)、5-羟甲基糠醛(11)。结论化合物6、7、9、11为首次从该属植物中分离得到。

Using 1-amino-2-phenoxy-4-hydroxyanthraquinone, chlorosulfonic acid ,thionyl chloride,and 3-ethoxypropylamine as raw materials and sodium carbonate as acid-binding agent,C.

以1-氨基-2-苯氧基-4-羟基蒽醌、氯磺酸、氯化亚砜、3-乙氧基丙胺为原料及Na2CO3为缚酸剂合成了C.I。分散红92。

The possible pathway of ABAS degraded by Zoogloea HP3 was that ABAS was first cleaved to produce o-phthalic acid and products. The former was further degraded and the composites of the latter were 2-amino-3-hydroxyl-5bromobenzenic sulfonic sodium and 2, 3-dihydroxyl-5-bromobenzenic sulfonic sodium.

动胶菌HP3作用下溴胺酸可能的降解途径为蒽醌环开裂生成中间产物邻苯二甲酸,邻苯二甲酸被进一步降解;溴胺酸降解后的最终产物为2-氨基-3-羟基-5-溴苯磺酸钠和2,3-二羟基-5-溴苯磺酸钠。

To further study the chemical constitutes of lipophilic active parts, we prepared Alc95% and Alc50% according to original literature. 20 compounds were isolated by using macroporous resin, silica gel, polyamide, Sephadex LH-20, Rp-18, preparative TLC and preparative HPLC chromato-graphy. The structures of them were elucidated by means of physical and chemical properties, modern spectroscopic analysis techniques—UV、IR、 EI/MS、ESI/MS、〓H-NMR、〓C-NMR、DEPT、HMQC、HMBC. They are nine anthraquinones: chrysophanol (95-1), physcion (95-2), emodin (95-5), aloemodin (95-7), rhein (50-1), sennoside A or B (50-6),ω-hydroxylemodin (95-10), chrysophanol-8-0-β-D-glucoside (95-12), aloemodin-ω-0-β-D-glucoside (95-13); three phenanthaquinones: tanshinone ⅡA (95-3), cryptotanshinone (95-6), tanshinone Ⅰ(95-4); one isoflavone: 7, 3'-dihydroxyl-5' methoxyisoflavone (95-14) and protocaechuic aldehyde (95-9), protocaechuic acid (95-11), astragaloside Ⅳ(50-4), amygdalin (50-5), 2, 3, 5, 4'-tetrahydroxylstilbene-2-0-β-D-glucoside (50-3),-catechin (50-2), cinnamic acid (95-8). Among them, 3'-dihydroxyl-5' methoxyisoflavone (95-14) is a new compound.

经过溶剂萃取、大孔吸附树脂富集、Sephadex LH-20精制、制备TLC及Semi-pre HPLC等手段从中分离了20个化合物,利用理化性质和波谱技术(UV、IR、EI/MS、ESI/MS、〓H-NMR、〓C-NMR、DEPT、HMQC、HMBC)相结合鉴定了它们的结构,分别为9种蒽醌类化合物:大黄酚,大黄素甲醚,大黄素,芦荟大黄素,大黄酸,番泻苷A或B,ω-羟基大黄素(ω-hydroxylemodin),大黄酚-8-0-β-D-葡萄糖苷(chrysophanol-8-0-β-D-glucoside),芦荟大黄素-ω-0-β-D-葡萄糖苷(aloemodin-ω-0-β-D-glucoside);3种菲醌类化合物:丹参酮ⅡA(tanshinoneⅡA),隐丹参酮,丹参酮Ⅰ(tanshinone Ⅰ);1种异黄酮:7,3'-二羟基-5'-甲氧基异黄酮(7,3'-dihydroxy-5' methoxyisofla-vone)以及原儿茶醛,原儿茶酸,黄芪甲苷(astragaloside Ⅳ),苦杏仁苷,2,3,5,4'-四羟基二苯乙烯-2-0-β-D-葡萄糖苷(2,3,5,4'-tetrahydroxylstilbene-2-O-β-D-g1ucoside),Z—儿茶素,桂皮酸。

The results showed that the utilization ratio of polymer reached 100% and the conversion of leucoquinizarin was more than 99% determined by TLC.

合成反应中高分子利用率为100%,通过薄层色谱分析发现1,4—二羟基蒽醌隐色体的转化率基本达到100%。

Methods: into a series of 10 ml colorimetric tube were added different aliquots of the 1,8 -dihydroxyanthraquinone standard solution,2.0 ml of naac-hac buffer solution(ph=3.60),2.0 ml of ethylacetate.

于10.0 ml比色管中加入一定量的1,8-二羟基蒽醌标准溶液,ph值为3.60的naac-hac缓冲溶液2.0 ml,有机溶剂乙腈2.0 ml,最后定容至10.0 ml;同时做空白对照,在最大激发波长为440 nm,最大发射波长为521 nm处测定一系列溶液的荧光强度。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

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