氢

The key problem is to synthesize high stereoselectively trans- 2,5- disubstituted tetrahydrofurans. This thesis sets up a new method to synthesize stereoselectively ?ra玸--2,5-disubstituted tetrahydrofurans by introducing two alkyl groups in 3-C and 5-C of lactol, flash decomposition and hydrogenation.

本文独创新的合成方法：以-乳醇，即-4，10-二氧杂三环[5.2.1.0~(2，6)]-癸-8-烯-3-醇为原料，在其3-位和5-位先反向引入两个取代基，再经过热分解和催化加氢反应，高立体选择性地合成反式-2，5-二取代四氢呋喃。

A quinone-hydroquinone-bridged ladderlike polyorganosiloxane was synthesized successfully by quinone-hydroquinone charge transfer interaction self-assembling template.

利用醌-氢醌电荷转移相互作用为模板合成了醌-氢醌交替的有机桥基梯形聚有机硅氧烷。

A high ordered ladderlike polyhydrosiloxane was successfully synthesized by the strong H-bonding template of N〓, N〓-bis (1-hydroxy-2-methylpropan-2-yl) terephthalamide.

通过强的酰胺氢键模板作用首次合成了高规整性、可溶的反应性有机桥基N，N-二（2-羟基-2-甲基丙基）对苯二甲酰胺聚氢基硅氧烷高分子。

According to the requirements from different clients, we have adopted CP2000,BP98,USP standards to produce Galanthamine Hydrobromide .We also have other products, such as Dihydrogalanthamine hydrobromide （98%HPLC）, Lycorine（98%HPLC）and so on.

公司其它产品有氢溴酸二氢加兰他敏(98% HPLC)、石蒜碱(98% HPLC)，虎杖提取物、灵芝提取物、枳实提取物、黑升麻提取物、绿茶提取物、枳实黄酮等。

Water, C12-20 acid PEG-8 ester, hydrogenated polysobutene, petrolatum, dicaprylyl maleate, hydrogenated vegetable oil, propylene glycol, acetylated lancolin, glycoprrotiens,panax ginseng root extract,equisetum arvense extract, carbomer, butyrospermum parkill fruit, potassium cetyl phosphate, triethanolamine, hypericum perforatum extract, malva sylvestris extract, methylparaben, glycerin, urea, saccharide hydrolysate, magnesium aspartate, glycine, alanine, creatine, propylparaben, ethlparaben, imidazolidinyl urea, polyperfluoromethylisopropyl ether, fragrance

水，C12-20 酸 PEG-8酯，氢化聚异丁烯，凡士林，马来酸二辛酯，氢化植物油，丙二醇，乙醯化羊毛脂，糖蛋白，人参根萃取，问荆萃取，卡波姆，乳木果，鲸蜡醇磷酸酯钾，三乙醇胺，金丝桃萃取，锦葵萃取，羟苯甲酯，甘油，尿素，水解糖，天门冬酸镁，甘氨酸，丙氨酸，肌酸，羟苯丙酯，羟苯乙酯，尿素醛，聚全氟甲基异丙基醚，香料

LaNi〓 catalyst was metallurgically combined with V、Nb and TiFe by ball milling, and then V-LaNi〓、Nb-LaNi〓 and TiFe-LaNi〓 nano-compound materials formed.

利用机械球磨方法使LaNi〓催化剂有机地与室温难活化储氢金属V、Nb、TiFe合金结合，形成V-LaNi〓、Nb-LaNi〓、TiFe-LaNi〓纳米复合储氢材料。

This invention relates to method of using boron magnesium fertilizer to produce fiber shape magnesium hydroxide fire retardant. First dissolve boron magnesium fertilizer, then add magnesia and oxydol to solution to carry out sulfuric acid neutralization and ferrous ion oxidation, remove iron ion, then add ammonium bicarbonate to carry out metathetical reaction.

利用硼镁肥生产纤维状氢氧化镁阻燃剂的方法，涉及一种制取纤维状氢氧化镁的方法，首先将硼镁肥溶解，然后向溶液中加入氧化镁和双氧水进行硫酸中和与亚铁离子氧化并除去铁离子，然后对余液加入碳酸氢铵进行复分解反应。

The number of hydrogen bond between methylol groups and other groups cut in dielectric relaxation increased with increasing WPG based on the activation enthalpy.

根据表观活化焓求得介电松弛过程中需要切断的氢键结合数量，构筑了二氧化硅/木材复合材料介电松弛回转取向运动模型，随着增重率的增加，需要切断的氢键数量增加。

Furthermore, influences of different phosphate salts at various concentrations on the ionization efficiency of phosphopeptide were investigated systematically, finding that the signal intensity for phosphopeptide 48FQEEQQQTEDELQDK63 digested from β-casein were 5 to 8 times increased in an optimized condition with 10 mmol/L ammonium monobasic phosphate or 3 to 4 times increased with 10 mmol/L ammonium dibasic phosphate as additive to matrix 2,5-dihydroxybenzoic acid, respectively.

考察了两种适合于磷酸化肽离子化的基质类型2，5-二羟基苯甲酸和2，4，6-三羟基苯乙酮。用2，5-二羟基苯甲酸作为基质时，当加入10 mM 磷酸氢二铵时，磷酸化蛋白质β-casein的磷酸肽 48FQEEQQQTEDELQDK63的离子化效率可以增强5-8倍，当加入10 mM磷酸二氢胺时，磷酸肽的离子化效率可以增强3-4倍。

AIM: To study the physics performance of fibrin glue compound β-tricalcium phosphate/monocalcium phosphate artificial bone material, evaluate the effect of fibrin glue on β-TCP/monocalcium phosphate, and investigate the feasibility of applying it as an injectable artificial bone to repair bone defects.

目的：检测纤维蛋白胶复合β-磷酸三钙／磷酸二氢钙复合人工骨材料的物理学性能，评价纤维蛋白胶对β-磷酸三钙／磷酸二氢钙骨水泥性能的影响，以及其作为注射型复合人工骨用于修复骨缺损的可行性。

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。