化合

By treatment of (4R)-carboxy-(2S)-phenylthiazolidine with isocyanic acid benzyl ester in CH_3COOH/(CH_3CO)_2O system,the reaction time is shortened from 17 h to 3 h,and the yield of (7aR)-3-phenyl-1H,3H-imidazo[1,5-c] thiazole-(6H, 7aH) 5,7-dione is raised from 75% to 93%.

改用异氰酸苄酯为关环试剂环化合成了(7aR) 3 苯基 6 苄基 1H，3H 咪唑并[1，5 c]噻唑 5，7 二酮，选用CH3COOH/(CH3CO)2O代替CH3COOH作溶剂，反应时间由17h缩短为3h，产率从75%提高到93%。

Three of them were diagnosed as sarcoidosis. Two were pulmonary alveolar proteinosis. One with usual interstitial pneumonia, one with bronchialitis obliterous and organizing pneumonia, one with nonspecific pneumonia, one with Castleman's disease, one with pulmonary lymph angioleiomyomatosis, two with bronchioalveolar carcinoma, one as rheumatoid pulmonary fibrosis complicated with pulmonary squamatous cancer and locally metastas is in lungs, two as pulmonary lymphangitic carcinomatosis, one as lung squamatous cancer with pulmonary lymphangitic metastasis, and one with primary pulmonary paraganglioma.

结果 17例患者均获病理确诊，其中结节病3例，肺泡蛋白沉积症2例，普通型间质性肺炎1例，闭塞性细支气管炎伴机化性肺炎1例，非特异性间质性肺炎1例，Castleman病1例，淋巴管平滑肌瘤病1例，肺泡细胞癌2例，类风湿性关节炎肺间质纤维化合并肺鳞癌伴肺内多发转移1例，肺淋巴管癌2例，肺鳞癌伴肺内淋巴管转移1例，肺原发性副神经节细胞瘤1例。

A spray drying process of preparation of diisporopyl malonate with super acid as catalyst was studied.

介绍了一种以喷雾干燥脱水，以超强酸催化酯化合成丙二酸二异丙酯的方法。

The process of esterification of propylene glycol monomethyl ether with acetic acid to synthesize propylene glycol monomethyl ether acetate is investigated using 98% sulfuric acid as catalyst.

研究了以浓硫酸为催化剂，丙二醇甲醚和醋酸酯化合成丙二醇甲醚醋酸酯的过程，考察了醚和酸比例、催化剂用量等因素对反应的影响，并选择甲苯为水萃取剂。

The formation mechanism of titanium nitride powders by reduction of carbon and nitridation was researched by method of continuous weighing.

用连续称重法研究了钛白粉被活性碳还原氮化合成氮化钛粉末的还原氮化反应机理，并进行了反应的热力学、反应产物的显微结构以及X-ray衍射分析。

Apply with chemical combination technology. It form nonadhesive film.

应用化合架桥技术形成非粘着性涂膜，不易粘上灰尘。

A method using α methylstyrene as raw material to prepare β methylene phenethyl alcohol,a new rose flavor ,by chlorination,esterification and saponification was studied.

对α 甲基苯乙烯经氯代、酯化、皂化合成新型玫瑰香料β亚甲基苯乙醇的方法进行了研究，选择PTC1作为相转移催化剂，当m∶m (NaAc·3H2 O)∶m (PTC1 )=1 。0 0 0∶0 30 0∶0 0 2 4时，80℃下反应 6h ，产率为 67 3%。

Benzyl phenylacetate was synthesized by benzyl chloride with the salt prepared by phenylacetic acid and Na2CO3 under microwave irradiation and in presence of phase transfer catalyst without any organic solvent and inorganic carrier.

采用微波辐射相转移催化技术，以四丁基溴化铵为相转移催化剂，先将苯乙酸与碳酸钠成盐，在无有机溶剂和无机载体的条件下与氯化苄直接酯化合成苯乙酸苄酯。

Monododecylphosphate was prepared by esterification of lauryl alcohol with phosphoric acid(mass fraction 85%) on cesium phosphotungstate catalyst.

以磷钨酸铯盐为催化剂，由月桂醇和85%的磷酸直接酯化合成单十二烷基磷酸酯，考察了带水剂种类、反应时间、磷钨酸铯盐催化剂中的铯取代数、催化剂用量和月桂醇与磷酸摩尔比等条件对磷酸转化率及单十二烷基磷酸酯选择性的影响。

Polyester resins are the condensation products of polybasic acids and polyols.

聚酯树脂是多元酸和多元羟基化合缩聚而成。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了