三羟基的

Methods Tetra-calcium phosphate was prepared by high heating, than imitated the internal situation of humanbody, for hydrolization and solidation,to synthesize the hydroxy-calcium phosphate,as artificial bone in sement-type ,then im-planteted them into the large segmental defect of radius of New Silan rabbits model. The implanted materials were taken out at 4th, 8th, 12th, and 16th weeks after implantation. The histological sections, with HE and Masson's trichromic staining made, to evaluate the effectiveness of repair of bony defect.

方法高温法制备出磷酸四钙，然后在模拟体内环境下将其与无水磷酸氢钙发生水化固化反应，合成水泥型羟基磷灰石人工骨，将自制的CPC人工骨植入新西兰兔桡骨大段骨缺损模型中，术后4、8、12、16周取材，采用HE染色和Masson三色染色分析评价骨缺损修复效果。

We developed a triphasic ceramic composite comprising of HA, beta-tricalcium phosphate and calcium silicate.

文章对由硅酸钙、β-磷酸三钙和羟基磷灰石组成的三相陶瓷复合物进行了研究。

The aromatizing agent is prepared with ethanol, propanediol, triethanolamine, trichlorohydrocarbon diphenyl ether, biphenyl benzylazole, essence and additive and through certain technological process.

该清馨剂由乙醇、丙二醇、三乙醇胺、三氯羟基二苯醚、联苯苄唑、香精及附加剂所组成，经相应的生产工艺而制成。

In this paper, sucralose was succeeded in synthesizing using two different routes, and the hydroxyl group protection and chlorinating methods were thoroughly studied.

本研究采用两条不同路线成功合成了三氯蔗糖，并对合成过程中羟基基团的保护、氯化等进行了详细研究。

The latter is chlorinated in the side chains under free-radical conditions to give 2,4-dichloro-5-fluoro-3-dichloromethyl-1-trichloromethylbenzene. The latter is hydrolysed via 2,4-dichloro-5-fluoro-3-dichloromethylbenzoic acid, which can be isolated if necessary, to give 2,4-dichloro-5-fluoro-3-formyl-benzoic acid, the aldehyde group of which is reacted to give 2,4-dichloro-5-fluoro-3-N-hydroxyiminomethyl-benzoic acid, from which, with simultaneous conversion of the carboxyl group into the chlorocarbonyl group, water is eliminated using an acid chloride to give the nitrile 2,4-dichloro-3-cyano-5-fluoro-benzoyl chloride.

随后，在游离基条件下进行侧链的氯化，得到2，4-二氯-5-氟-3-二氯甲基-1-三氯甲基苯、后者被水解，经过2，4-二氯-5-氟-3-二氯甲基苯甲酸(如果需要此化合物可以分离)，得到2，4-二氯-5-氟-3-甲酰苯甲酸，将其醛基反应，得到2，4-二氯-5-氟-3-N-羟基亚氨基甲基苯甲酸，用酰氯从其中除去水，同时将羧基转化为碳酰氯，得到一种腈，即2，4-二氯-3-氰基-5-氯-苯甲酰氯。

First, by using p-methoxybenzaldehyde , p-hydroxybenzaldehyde and pyrrole as raw materials, 5-(p-hydroxyphenyl)-10,15,20-tri(p-methoxyphyenyl)porpyrin was prepares under acidity condition and the let reacted with benzoyl chloride, o-nitrobenzoyl chloride, m- nitrobenzoyl chloride and p- nitrobenzoyl chloride respectively under alkalinity condition with DMF as solvent.

以对-甲氧基苯甲醛、对-羟基苯甲醛和吡咯为原料，在酸性条件下合成了5-对羟苯基10，15，20-三对甲氧苯基卟啉，再以该化合物为原料分别与苯甲酰氯、邻-硝基苯甲酰氯、间-硝基苯甲酰氯和对-硝基苯甲酰氯反应，在碱性条件下以DMF为溶剂合成了四种目前尚未见文献报道的对-甲氧基卟啉硝基苯甲酸酯类化合物。

On the basis of the Frontier Orbital Theory and three Bonding Principles, the possibility of reaction of active HOSA^- carbanion on polymerization process of MA by alkali catalyst and the mechanism of anionic polymerization of maleic anhydride were studied.

应用前线轨道理论和成键三原则研究了碱催化条件下马来酸酐均聚过程中α-羟基丁二酸酐碳阴离子活性中间体参与反应的可能性及其阴离子聚合机理。

By utilizing three benezenemulticarboxylate derivatives (H2chdc, H2aip, NaH2sip), we obtain 12 coordination polymers. Especially, compelexes 1 and 2 are based on one-dimensional ···OHInOHIn···chains as building units, while complex 3 is based on double four-ring [In8(μ2-O)4(μ2-H2O)8]16+, complex 4 is based on trinuclear In3(μ3-O)(CO2)6, complexes 11 and 12 are both based on nested bistranded helices.

选择了三类取代苯羧酸配体： 2，5-二羟基-1，4-对苯二甲酸(2，5-H2chdc)； 5-氨基间苯二甲酸(5-H2aip)； 5-磺酸基间苯二甲酸钠盐(5-NaH2sip)和InCl3反应合成了十二个配位化合物：其中1、2以···OHInOHIn···链为构筑单元， 3以双四元环[In8(μ2-O)4(μ2-H2O)8]16+为构筑单元，4以棱柱状三核铟In3(μ3-O)(CO2)6为构筑单元，而11、12以嵌套的双股螺旋链为构筑单元。

With three hydroxyl groups, it can form three types of esters ( mono glycerides, diglycerides, and triglycerides).

有3个羟基，可形成3种酯(甘油单酯、甘油二酯、甘油三酯)，甘油单酯和甘油二酯是常见的食物添加剂。

Part III: Catalytic hydrogenation ofα,β-epoxyketones toβ-hydroxyketones with two sulfinyl analogues of coenzyme NADH models.

第三部分：亚砜类辅酶NAD~+模型物催化氢化α，β-环氧酮生成β-羟基酮的反应。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新