查询词典 hydroxy acid

The novel inorganic ion-flocculant poly-nucleate aluminum hydroxy silicate-sulphate was prepared from aluminum sulfate and polysilicic acid under non-high shear condition.

在非高剪切力条件下，将硫酸铝引入到聚合硅酸中合成了新型聚硅酸硫酸铝絮凝剂。

Mono(2-hydroxy propyl)phosphate was synthesized from 1, 2-epoxy propane and phosphoric acid in the propanone solvent under the conditions of reaction temperature 30 ℃, reaction time 2 h.

摘 要：以环氧丙烷、磷酸为原料合成了磷酸单( 2-羟基丙基)酯，并以磷酸单(2-羟基丙基)酯和三氧化二锑为原料合成了磷酸单(2-羟基丙基)酯锑。

Green coffee beans contain up to 10% of chlorogenic acids, i.e.,various isomers of hydroxy-cinnamoyl esters of quinic acid.

咖啡生豆含有最高可达10%的绿原酸，即，奎宁酸的不同种的羟基酯异构体。

A gelator (G2) synthesized from 1,2,4,5-benzene tetracarboxylic acid and 4-hydroxy pyridine at molar ratio of 1:4 was characterized by 1H-NMR and FT-IR.

采用1H-NMR和FT-IR表征了在摩尔比1：4条件下，由均苯四甲酸和对羟基吡啶合成的一种凝胶因子(G2)。

Results Eleven compounds were obtained and identified as sarcodonin A, scabronine B, 3β-hydroxy-5α, 8a-epidioxyergosta-6, 22-dien,(22E, 24R)-ergosta-7, 22-diene-3β, 5α, 6β-triol,(22E, 24R)-ergosta-7, 22-diene-3β-ol, benzoic acid, 4-hydroxylben-zaldehyde, 4-monopropanoylbenzenediol, ethy1-β-D-glucopyranoside, thioacetic anhydride,(2S, 2'R, 3S, 4R)-2-(2-hydroxyoctadecanoylamino) docosane-1, 3, 4-triol.

结果共分离鉴定了11个化合物，分别是：sarcodonin A、scabronine B、3β羟－5α，5α-过氧麦角甾－6，22-二烯－3β-醇、(22E，24R)-麦角甾－7，22-二烯－3β，5α，6β三醇、(22E，24R)-麦角甾－7，22-二烯－3β-醇、苯甲酸、对羟基苯甲醛、对羟基苯甲酸乙酯、乙基－β-D-吡喃葡萄糖苷、硫代乙酸酐、（25，2'R，3S，4R）-2-（2-羟基－十八碳酰胺）二十二碳烷－l，3，4-三醇。

A simple method was developed for the analysis of 6-hydroxy-1-methyl-1,2,3,4-tetrahydro-β-carboline (6-OH-MTHβC), 5-hydroxytryptamine (5-HT) and 5-hydroxyindole acetic acid (5-HIAA) in rat brain by high performance liquid chromatography with electrochemical detection.

建立了大鼠脑组织中6-羟基－1-甲基－1，2，3，4-四氢－β-咔啉(6-OH-MTHβC)、5-羟色胺(5-HT)和5-羟吲哚乙酸(5-HIAA)含量的高效液相色谱-库仑阵列电化学检测方法。

IV . Content and Capacity: 2,400,000t/a stamping coke, 30,0000 t/a coal tar, 10,0000 t/a methanol, 10,0000 t/a phenol anhydride, 5,0000 t/a Needle coke, 10,0000 t/a Hydrogenation of anthracene oil, 10,0000 t/a Hydrogenation of Crude benzene, 2,0000t/a β-naphthol, 1,0000t/a 2-hydroxy-3-naphthaoic acid , 2,0000t/a UHP ultra-high power electrode.

四、项目建设内容及规模：240万吨/年捣固焦炉及化产回收、30万吨/年焦油、10万吨/年甲醇、10万吨/年苯酐、5万吨/年针状焦、10万吨/年蒽油加氢、10万吨/年粗笨加氢、2万吨/年二萘酚、1万吨/年2.3酸、2万吨/年 UHP 超高功率电极。

7-Hydroxy-4-methylcoumarin was synthesized from ethyl acetoacetate and m-dihydroxybenzene by the Pechmann condensation using phenyl sulfonic acid as catalyst under solvent-free conditions.

摘 要：以苯磺酸作催化剂，乙酰乙酸乙酯和间苯二酚为原料，通过Pechmann缩合反应合成7-羟基-4-甲基香豆素。

The thermal behavious and structure of p(hydroxybenzoic acid/2-hydroxy-6-naphthoicacid)polyarylate /polyester blend fibers were investigated by means of DSC thermal analysis.

利用热分析的方法对聚（对羟基苯甲酸／6－羟基－2－甲酸萘［p（HBA／HNA］／聚对苯二甲酸乙二酯共混纤维的结构进行了研究。

Three activated carbons having different surface areas, coconut-shell based, pelletized and bamboo-derived, were modified by mixing them with four thermoplastic precursors, poly, hydroxy propyl cellulose, citric acid, and fluorine-containing polyimide followed by heat treatment at 900℃ for 1h.

三种具有不同比表面积的活性炭—椰壳基AC-C、粒状AC-P和竹基AC-B分别与四种热塑性前驱体—聚乙烯醇，羟基丙基纤维素，柠檬酸，含氟聚酰亚氨混合后，在900℃热处理1h。

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。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。