查询词典 tri-ester

The article in recent years the research progress of disease of oral cavity of TP prevention and cure makes one overview. The compositive TP of the basic research 1.1 TP of 1 TP is the floorboard that phenolic apperception of a kind of many hydroxyl closes matter, 25% what hold tea dry weight about, its are main component includes to express gallnut of gallnut catechu element gallnut of element of catechu of gallnut of acerbity ester, watch, watch catechu element is acerbity element of catechu of ester, watch, express gallnut of gallnut catechu element among them acerbity ester content is highest, occupy the 80%[1] of catechu element about, fighting oxidation with its unique element structure, fight the position with fight the respect such as tumor to have choppy, significant. The 1.2 TP absorption in oral cavity and metabolization Lee [2] is measured normally inside a hour after healthy person is chewing green tea Xie Huo contains juice of gargle green tea, content of the TP in saliva is very high, after observing green tea passes salivary enzymatic hydrolyze, TP is slow release and in oral cavity;Yang of local play action [the salivary level after 3] checked 6 volunteers to drink tea, chroma of the TP in making clear the saliva after drinking tea as a result is serous TP pH indicator 2 times, and the salivary TP concentration that contains gargle tea solution a few minutes to be able to produce higher level, and TP can be absorbed through oral cavity mucous membrane.

本文就近年来TP防治口腔疾病的探究进展作一综述。1 TP的基础探究1.1 TP的组成TP是一类多羟基酚类化合物的总称，约占茶叶干重的25%，其主要成份包括表没食子儿茶素没食子酸酯、表没食子儿茶素、表儿茶素没食子酸酯、表儿茶素等，其中表没食子儿茶素没食子酸酯含量最高，约占儿茶素的80%[1]，并以其独特的分子结构在抗氧化、抗突变、抗肿瘤等方面占有重要的地位。1.2 TP在口腔中的吸收和代谢Lee等[2]测得正常健康人在咀嚼绿茶叶或含漱绿茶液后的一个小时内，唾液中TP含量很高，并观察到绿茶通过唾液酶水解后，TP缓慢释放并在口腔局部发挥功能；Yang等[3]检查了6位志愿者饮茶后的唾液水平，结果表明饮茶后唾液中TP浓度是血浆TP浓度的2倍，而含漱茶溶液几分钟即可产生更高水平的唾液TP浓度，且TP可通过口腔黏膜吸收。

In order to explore the relationship between structure and properties of hydroxyalkyl cellulose ether nitrate, molecular structures of nitrate ester of hydroxylethyl cellulose ether, nitrate ester of hydroxylpropyl cellulose and nitrate ester of cellulose glycerol ether with molar substitution of 1 were simulated by using Synthia module of Materials Studio, and their performances of nitrogen content, glass transition temperature and Young's modulus were predicted.

为探索羟烷基纤维素醚硝酸酯的结构与性能关系，借助Materials Studio软件中的Synthia模块模拟了摩尔取代度为1的羟乙基纤维素醚硝酸酯、羟丙基纤维素醚硝酸酯和二羟丙氧纤维素醚硝酸酯的结构，并预测了它们的含氮量、玻璃化转变温度和杨氏模量。

First, a lot of experiments about changing character on CaCO3 surface has been rearsched,example,fatty acid,pentaerythritol,rosin ester,cocoanut oil,rosin, pentaerythritol + rosin ester,glycerine + rosin ester ,cocoanut oil + oleic acid,titanate + fatty acid,cocoanut oil + fatty acid, and so on surface active agents. Among these surface active agents, cocoanut oil + oleic acid,and titanate+ fatty acid,and cocoanut oil + fatty acid are the best.

本文首先对纳米碳酸钙的活化改性进行了实验研究，在硬脂酸钠、季戊四醇、松香酯、椰子油、松香、季戊四醇+松香酯、甘油+松香酯、椰子油+油酸、钛酸酯+硬脂酸钠、椰子油+硬脂酸钠等表面改性剂中，以硬脂酸钠、椰子油、油酸+椰子油、椰子油+硬脂酸钠等活化剂的活化效果较为理想。

In this study, we evaluatedthe antinociceptive and antiinflammatory effects and durationof action of several novel depots of ketorolac esters, suchas ketorolac propyl ester, pentyl ester, heptyl ester, and decylester, and observed whether they had a long-acting effect.

在这个研究中，作者评估了几种酯类酮咯酸的新制剂的抗伤害、抗炎效应和作用持续时间，例如，丙基酯，戊基酯，庚基酯和葵酯酮咯酸，观察他们是否长效。

In the study of peptide formation from phosphoryl aspartic acid with ethyl alanine, the N-phosphoryl peptide ester was isolated and identified by 1D and 2D NMR. It was found that only α-dipeptide ester, no β-dipeptide ester, was formed in the reaction.

实验发现N-磷酰化极性氨基酸在没有活化剂、缩合剂的水溶液中能够发生成肽反应，且生成的磷酰化二肽具有方向性：成肽产物的N端氨基酸来自N-磷酰化氨基酸，成肽反应发生在其C端。

Base Oils for Synthetic ester type lubricants : base oil for flame resistant hydraulic fluid and rolling oil, POE series , Polyacid ester for high temperature performance, ester for metalworking fluids.

合成酯类基础油：难燃液压液用酯，轧制液用酯，各种POE酯，高温加工用多元酸酯，金属加工单双酯3、其它：矿油乳化剂，冷冻压缩机用基础油，低泡清洗剂

Based on the market demands,the trend of pine chemicals'developmet and our own foundation of technology and economy,we developed this series products, includ hydrogenated rosin、high-hydrogenated rosin、water-white hydrogenated rosin、water-white rosin、glycerol ester of hydrogenated rosin、pentaerythritol ester of hydrogenated rosin、methanol ester of hydrogenated rosin etc.

本公司基于市场需求、国内外发展趋势以及自身的技术和经济基础，开发了氢化松香系列产品，包括氢化松香、高度氢化松香、水白氢化松香、水白松香、氢化松香甘油酯、氢化松香季戊四醇酯、食品级氢化松香甘油酯、氢化松香甲酯等。

Two benzothiazole ester compounds containing boron with different alkyl chain, Di-n-hexyl-[2-(2-benzothiazolylthio)] ethyl boric acid ester (BNS-1) and Dicyclohexyl-[2-(2-benzothiazolylthio)] ethyl boric acid ester(BNS-2), were synthesized and their tribological performance as additives in rapeseed oilwas investigated using a four-ball testing machine.

合成了两种含不同烷基链的含硼苯并噻唑酯类化合物，即二正己氧基-2-[(2-苯并噻唑基)硫代]乙氧基甲硼烷(BNS-1)和二环己氧基-2-[(2-苯并噻唑基)硫代]乙氧基甲硼烷(BNS-2)。

They were acetic acid, benzaldehyde, n caproic acid, methyl pentadecanoic methyl ester, glycerin, benzoic acid,,9 octadecadienoic methyl ester, squalane, stearic acid and oleic eicosyl ester.

它们是乙酸、苯甲醛、正葵酸、-甲基十五烷酸甲酯、丙三醇、苯甲酸、，9-十八碳二烯酸甲酯、角鲨烷、硬脂酸和二十烷基油酸酯。

Two estolide are that the ester melts an agent take amylum as raw material , with smooth butylene , the ester carrying out the solid room's spends reaction under the situation of there being no menstruum,ester composing smooth amylum butylene diacid Shan, and by having optimized reaction condition , having improved reaction efficiency.

以淀粉为原料，以顺丁烯二酸酐为酯化剂，在无溶剂的情况下，进行固体间的酯化反应，合成淀粉顺丁烯二酸单酯，并通过优化反应条件，提高了反应效率。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。