脱氧胆酸中羧基氧原子、羟基氧原子均与钇发生配位作用。
The oxygen atoms that coordinated with yttrium were offered by both carboxyl and hydroxyl groups of deoxycholic acid.
对配体进行量化计算的结果表明，羰基氧、羟基氧是可能的配位原子，与结构推测结果相吻合。
The results of the quantum chemistry calculation of the ligand indicate that the carbonyl and hydroxyl oxygen atoms maybe coordinate to the metal atom, which is consistent with the conjecture by IR.
羟基聚硅氧烷是有机硅工业的重要产品之一。
The hydroxide polysiloxane is one of the important products of the organic silicon industry.
以二羟基聚二甲基硅氧烷（PDMS）为基体，加入不同填料和助剂，制备了室温硫化硅橡胶涂层。
With hydroxyl group terminated PDMS on both side as feedstock, adding several kinds of fillers and adjuvants, the room-temperature vulcanized silicone rubber coatings are prepared.
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。
Low concentration saponins solution can eliminate hydroxy and oxygen free radicel, the effect of eliminating free radicel submits positive pertinence with saponins concentration.
苯羟基乙酸和苯氧乙酸都具有生物活性，在诸如抗菌等方面具有广泛的应用。
Hydroxy benzene acetic acid and acetic acid have biological activity, such as anti-bacterial and other aspects, leading to a wide range of applications.
采用不同的方法对乙烯基酯树脂(ver)中环氧丙烯酸酯(AAEP)进行羟基封闭，制备改性ver。
The hydroxyl groups of epoxy acrylate (AAEP) in VER were sealed with different methods in order to obtain modified VER.
以含1 ~4个羟基的有机醇、环氧氯丙烷和有机胺为原料，在催化剂作用下聚合成有机胺改性聚醚(KL - 1)污水处理剂。
The amine-modified polyether KL-1 sewage disposal agent was prepared with organic alcohol containing 1 ~ 4 hydroxy, epoxy chloropropane, organic amine as raw materials by catalyst.
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。
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.
此法合成的羟基磷灰石可用作由分子氧氧化一些醇类进行有机合成的催化剂载体。
This hydroxyapatite can be used to make catalytic carrier for organic synthesis of some aldehydes by catalytic oxidization of alcohols by molecular oxygen.
所有的K离子均同时与酚羟基和硝基的氧原子配位。
All K atoms coordinate with o atoms of phenolic hydroxyl group and nitro-group simultaneously.
介绍了甘油新的开发应用，包括1，3-丙二醇、二羟基丙酮、 1，2-丙二醇和环氧氯丙烷的制备研究及应用。
New utilizations were introduced in this paper, such as 1,3- propanediol, dihydroxy acetone, 1,2- propanediol, epichlorohydrin.
所研究的UV固化防腐蚀涂料包括环氧类的单体，带羟基功能团的复合稀释剂，复合光引发剂和粘附力促进剂。
An UV curable corrosion resistant coating consists of an epoxy-base monomer, combined active diluents with hydroxy groups, combined photoinitiators, an adhesion promoter.
水中的氧来源于吸附态氧，氢来源于甲醇中的甲基氢和羟基氢且以甲基氢居多。
Experimental results show that oxygen in the water comes from the adsorbed oxygen and hydrogen from the methyl and the hydroxyl in methanol.
采用羟基自由基体系和超氧阴离子自由基体系对藏红花酸及藏红花酸二甲酯的体外抗氧化活性进行研究，并与BHT进行比较。
At last, using the hydroxyl radical system, superoxide radical system, the antioxidation activities of crocetin and crocetin dimethyl ester were studied and compared with BHT.
其次，本文用正交实验设计和单因素寻优等有关实验方法对端羟基环氧环己烷-四氢呋喃共聚醚的合成工艺进行了研究。
Secondly, with the orthogonal design method and single-factor-experiment, the technics of synthesizing Hydroxyl-terminated copolymer of CHO -thf have been studied in this paper.
以对羟基苯乙酰胺为原料，经烷基化、水解、酯化、氧肟化等4步反应合成丁苯羟酸，总收率为46．5％。
With pHydroxybenzeneactamide as the starting material, the Bufemaxac was prepared by means of four steps reaction of alkylation, hydrolyzing, esterification and Ooximation with total yield of 46.5%.
合成了以羟基封端的脂肪族聚碳酸酯-聚乙基醚碳酸酯二醇（PEECD），并用于环氧（EP）树脂的增韧。
One kind of hydroxyl - terminated aliphatic polycarbonate, i. e. poly(ethylene ether carbonate) diol(PEECD) was synthesized and used to toughen epoxy resin (EP) .
用硅烷偶联剂对羟基磷灰石（HA）粉末进行表面改性，用改性后的HA粉末制备了HA/环氧复合材料。
The hydroxyapatite (HA) powder surface modified with silane coupling a gent was used to prepare HA/epoxy composite.
通过环氧丙烯酸树脂和双羟基化合物反应，获得具有亲水性链段的水性环氧丙烯酸酯。
The epoxy acrylates oligomer with hydrophilic links and end waterborne modified-epoxy acrylates resin was prepared.
榛子壳棕色素的体外抗氧化性实验表明：其对羟基自由基、超氧阴离子自由基有很好的清除效果，对脂质体过氧化也具有一定的抑制作用。
Hazelnut shell brown pigment oxidation in vitro experiments showed that the pigment had scavenging effects on hydroxyl radical, superoxide anion radical and aliphatic radicals on lipid-per oxidation.
采用羟基树脂通过TDI对聚甲基硅氧烷进行化学改性，用红外光谱、热重分析等手段对改性产物进行了表征。
Hydroxyl resin is used to modify polymethylsiloxane through the action of TDI and the products are characterized by IR and TGA.
羟基化酶是其催化活性中心，它的催化机理的研究主要包括烷烃的活化和分子氧的活化这两个方面。
MMOH is the active site of MMO, its catalysis reaction mechanism mainly includes the activation of alkyl and oxygen molecule.
红外光谱表明：酒石酸分子的羰基与高岭石的内表面羟基形成了氢键，而羟基与高岭石的硅氧面的氧形成了氢键。
The FTIR spectrum indicated that hydrogen bonds were formed between the carbonyl group in tartaric acid and the hydroxyl group in inner surface of kaolinite.
扩链剂是用来将聚二甲基硅氧烷两端活性较弱的羟基转变为高活性的异氰酸酯基。
The chain extender is used to convert the low-activity hydroxy groups of both ends of the polydimethylsiloxane into high-activity isocyanate groups.
在二氯甲烷溶液中，一氧化氮导致2,3 -环氧酮发生顺式开环反应，生成的顺式羟基硝酸酯化合物为主要产物。
Ring opening reaction of 2, 3-epoxy ketones with nitric oxide in dichloromethane occurred in a syn-selective fashion, producing syn-2-hydroxy nitrates as main products.
超氧阴离子自由基、羟基自由基的清除能力和还原能力强于胰凝乳蛋白酶酶解物和胃蛋白酶酶解物。
The scavenging capacities of the hydrolysates of WPI catalysted by papain and trypsin on DPPH free radical, superoxide and hydroxyl free radical are stronger than those of the hydrolysates of chymo…
研究2-乙基-3-羟基-6-苯硫基-4（1H）-吡啶酮（HPP）对羟自由基和超氧阴离子自由基的影响。
The effects of 2-ethyl-3-hydroxy-6-phenylthio-4(1H)-pyridinone (HPP) on hydroxyl radical and superoxide anion radical scavenging activity was studied.
研究2-乙基-3-羟基-6-苯硫基-4（1H）-吡啶酮（HPP）对羟自由基和超氧阴离子自由基的影响。
The effects of 2-ethyl-3-hydroxy-6-phenylthio-4(1H)-pyridinone (HPP) on hydroxyl radical and superoxide anion radical scavenging activity was studied.
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