磺酸

The second is focused on the ytterbium Trifluoromethethanesulfonate catalyzed organic reactions and their applications in organic synthesis.

三氟甲磺酸镱催化的有机反应在有机合成中的应用；3。

In chapter two, firstly, some reactions catalyzed by ytterbium trifluoromethethanesulfonate in recent years were simply outlined.

第二章，首先我们综述了近几年来三氟甲磺酸镱催化的有机反应在有机合成中的应用。

The resulting polymer electrolyte possesses 1.57×10~(-3) S·cm~(-1) of ionic conductivity at room temperature when it contain 5wt% of LiBF_4 and 1wt% of zwitterion salt.

研究表明Zwitterion型离子液体1-甲基-3-磺酸正丁基咪唑盐，具有较高的熔点和热分解温度，熔点为219℃，分解温度达320℃。

Sodium(3 S,4S)-3-amino-4--2-ox-Oazetidine-1 -sulfonate is its key intermediate, a chiral zwitterion.

手性内盐(3S，4S)-3-氨基-4-氨甲酰氧甲基-2-氧代氮杂环丁酮-1-磺酸钠是卡芦莫南的关键中间体。

Objective To Compare the therapeutic effectiveness of injections of Sulfotanshinone sodium and Acanthopanax senticosus in treating unstable angina.

目的 比较丹参酮ⅡA磺酸钠注射液与刺五加注射液治疗不稳定型心绞痛的疗效。

GA and BASANa were used as cross-linkers and a donor of hydrophilic groups (-SO3H), which they both crosslinked to PVA chains for the acetalization reaction.

GA和BASANa皆接在聚乙烯醇链上产生acetalization反应，并分别当做交联剂和提供磺酸根基(-SO3H)的亲水基。

N-substituted pyrroles are synthesized by reacting acetonylacetone with carbamic ester , catalysted by p-toluenyl sulfonic acid, heated at reflux temperature for 6h, collecting evolved water, giving to 75% yields, which is 26% more than the literature value.

以对甲苯磺酸为催化剂，用甲苯作溶剂，使2，5-己二酮与氨基甲酸酯在110℃反应6h，合成了5种氮取代吡咯衍生物，其中两种未见文献报道，反应产率均达到75％以上，比文献值高出了26％。

The restored concentrate is subject to incineration while the condensated water is treated aerobically to be discharged up to the standard.

采用减压蒸发浓缩该有机废水，对浓缩液中的NaCl、对甲苯磺酸钠进行回收，回收后的浓缩液进行焚烧处理；蒸发冷凝水再经好氧生化处理达标排放。

The method comprises melt extruding a mixture comprising a polyester and one or more alkyl metal sulfonates where the metal is Na, Li or K and the alkyl is straight or branched chain alkyl of 12 to 15 carbon atoms, or is straight or branched chain alkenyl of 12 to 18 carbon atoms.

方法包括将包括聚酯和一种或多种烷基金属磺酸盐的混合物熔体挤出，其中金属是Na、Li或K和烷基是12-15个碳原子的直链或支链烷基，或是12-18个碳原子的直链或支链链烯基。

Synthesized 4-aryl coumarins and quinolin-2(1H)-ones via Pd-catalyzed Suzuki reaction of alkenyl tosylates with potassium aryl trifluoroborates.

该方法结合了对甲苯磺酸酯和氟硼酸钾各自的优势，不仅底物适用性较广，而且反应条件温和。2。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。