The main volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.
赤芍主要挥发成分为（Z, Z）-9, 12-十八碳二烯酸，正十六碳酸和2-羟基苯甲醛。
The casting process and reverse osmosis (RO) properties of hydroxy-propyl cellulose acetate (HPCA) membrane were studied.
研究了羟丙基醋酸纤维素反渗透膜的制膜工艺和膜性能。
The thermodynamic parameters of carboxylic group and titrable phenolic hydroxyl group of humic acid are similar to that of simple hydroxy-benzoic acid.
腐植酸的羧基和可滴定的酚羟基在热力学性质上同简单的羟基苯羧酸相似。
Modified epoxy resin was produced by adding the isocyanate-terminated prepolymer obtained from hydroxy-terminated butadiene-acrylonitrile copolymer (HTBN).
通过添加由端羟基丁二烯——丙烯腈共聚物(HTBN)制得的端异氰酸酯基预聚物，可改性环氧树脂。
Objective:To estimate the feasibility of continuous target controlled infusion of isopropyl hydroxy-benzene in compound epidural block of epigastrium operation.
目的：评价持续靶控输注异丙酚复合硬膜外阻滞有用于上腹部手术的可行性。
Vanillin is prepared by electrolytic oxidation of 4-hydroxy-3-methoxymandelic acid which is obtained by reaction of electrolytic solution of oxalic acid and guaiacol.
本文利用草酸的电解液合成了4-羟基-3-甲氧基扁桃酸，经进一步电解氧化合成了香兰素，获得了满意的结果。
The reaction of 2-hydroxy-5-sulfophenyl-diazoaminoazobenzene (HSDAA) with cadmium was studied to establish the direct photometric determination of cadmium in aluminum alloy.
研究了2-羟基-5-磺酸苯基重氮氨基偶氮苯（HSDAA）与镉的反应，建立了直接测定铝合金中镉的光度分析方法。
The electric structures of double-chain of hydroxy polyacene were studied by quantum chemistry crystal orbital CNDO/ 2 method, and considered the hydrogen-binding interaction of hydroxy-polyacene.
采用量子化学晶体轨道CNDO／2方法，在考虑了羟基代聚并苯氢键作用的基础上对其双链模型的电子结构进行系列的计算和讨论。
So in this research, synthesis of cyclopentadecanolide with Methyl 15-Hydroxy-pentadecanate by immobilized lipase had been studied.
本文即从这方面着手，开展了固定化脂肪酶催化15—羟基十五烷酸甲酯合成环十五内酯的研究。
They contain one or more functional group such as amide, hydroxy, or carboxy.
它们含有一个或多个功能团如：氨基、羟基、羧基。
That is, the biological efficacy of liquid methionine hydroxy analogue is only 65% in pig.
因此，液体蛋氨酸羟基类似物对猪的生物学效价只有65%。
Objective: to explore the effect of hydroxy camptothecin on colorectal carcinoma cells in vitro.
目的探讨羟基喜树碱对肠癌细胞的体外作用。
The temperature reduction was shown to be an effective method for the most active C 6 hydroxy mono protection.
研究发现，降低温度是对蔗糖C6位最活泼羟基进行单一选择性保护的有效方法。
Method: the oxygen free radicals generation system in vitro and mouse liver homogenate lipid peroxidation reaction induced by hydroxy free radicals were used to estimate the effects.
方法：采用体外氧自由基生成系统和羟自由基诱导的小鼠肝匀浆脂质过氧化反应，评价炮制对桂枝抗氧化作用的影响。
Low concentration saponins solution can eliminate hydroxy and oxygen free radicel, the effect of eliminating free radicel submits positive pertinence with saponins concentration.
皂甙溶液在较低浓度时对羟基自由基与氧自由基就有一定的清除作用，自由基的清除效果与皂甙的浓度呈显著正相关性。
The moisture cured polyurethane was synthesized with mixing polyether diol, toluene diisocyanate (TDI) as main raw materials, epoxy resin and hydroxy acrylic resin as modifiers.
以混合聚醚多元醇、甲苯二异氰酸酯为主要原料，环氧树脂、羟基丙烯酸树脂为改性剂合成了湿固化聚氨酯涂饰剂。
GC MS analysis showed that the main metabolite of quinoline biodegradation is 2 hydroxy quinoline.
利用GCMS技术分析了喹啉降解过程，其主要的中间产物为2羟基喹啉。
A new reagent 1 (8 Aminoquinoline 5 azo) 8 hydroxy 3,6 naphthalenedisulfonic acid(AQHNA) was synthesized. The product was confirmed by elemental analysis and infrared spectra.
合成了1 （8氨基喹啉5偶氮） 8羟基3 ，6萘二磺酸（AQHNA） ，其结构经红外光谱和元素分析证实。
Tetraacetyl glucosyl ester of 1 hydroxy 2 naphthoic acid was synthesized by PTC method and confirmed by IR, 1HNMR, MS and elemental analysis.
采用相转移催化法合成了1羟基2萘甲酸四乙酰葡萄糖酯，并进行了IR、1HNMR、MS和元素分析，证明了其结构。
The quaternary ammonium salt and hydroxy ethyl cellulose were contained in a special organic chemical wastewater.
某厂特种有机废水，含季铵盐和羟乙基纤维素。
To investigate the long term results of the particulate hydroxy apatite (HA) artificial bone in augmentation rhinoplasty, 50 patients were followed up for 8 years after the operation.
为探讨羟基磷灰石（简称HA）微粒人工骨作为隆鼻术移植材料的远期效果，对HA 人工骨植入隆鼻的50例受术者进行8年随访观察。
Using the new method, 2 hydroxy 3 cyanmethyl 5 methyl acetophenone was synthesized in a short reaction period, and the yield was good.
采用新方法合成了鲜见文献报道的新化合物2 -羟基-3-氰甲基-5 -甲基苯乙酮。该方法具有反应时间短、操作简便、收率好等优点。
As to alcohols containing the same number of carbon atoms in the molecules, their conversion will decrease as the number of hydroxy increases.
碳原子数目相同的醇，转化率随所含羟基数目的增加而下降。
The composition of wall materials and the technology of spray -drying for the butylated hydroxy toluene (BHT) microencapsulation were studied.
研究了喷雾干燥法制备高包埋率微胶囊化二丁基羟基甲苯(BHT)的壁材组成及工艺条件。
High strength silicone rubber compounds were prepared using vinyl-terminated silicone rubber, fumed silica and hydroxy siloxane by intensive mixing method in Z blade mixer.
采用Z桨捏合机，将端乙烯基硅橡胶、气相法白炭黑及羟基硅氧烷进行混炼，制备了高强度硅橡胶混炼胶。
We select the acetoxy group to protect the hydroxy group from a great number of the protection methods for the hydroxy group.
在众多的羟基保护方法中，选择了乙酰氧基对其进行了保护。
The high solid content hydroxy acrylic resins were modified by microgels.
利用制备的微凝胶对高固体份羟基丙烯酸树脂进行了改性。
The deactivation of hydrogenation catalyst of 3 - hydroxy propionic aldehyde was studied.
对3-羟基丙醛加氢催化剂的失活原因进行了研究。
The self - cross linking adhesive for paper - Al foil composite can be abtained by using vinyl acetate and acrylate as raw materials and hydroxy methyl acrylamide as self - cross linking monomer.
以醋酸乙烯酯和丙烯酸丁酯为主要原料，引入自交联型单体羟甲基丙烯酸胺合成了纸张——铝箔复合膜粘合剂。
The self - cross linking adhesive for paper - Al foil composite can be abtained by using vinyl acetate and acrylate as raw materials and hydroxy methyl acrylamide as self - cross linking monomer.
以醋酸乙烯酯和丙烯酸丁酯为主要原料，引入自交联型单体羟甲基丙烯酸胺合成了纸张——铝箔复合膜粘合剂。
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