环甲的

The mechanism of cycloaddition reaction between singlet carbene and Formylchloride has been investigated by using ab initio MO theory of the restricted Hartree-Fock at HF/3-21G~* level.

用限制的H artree-Fock从头算分子轨道理论研究了单重态卡宾与甲酰氯环加成反应的机理。

The correct factor in metronidazole which is free of ethylene oxide,chloroform was used as internal standard.

用模拟基质进行校正因子的测定，以氯仿为内标测定甲硝唑中的环氧乙烷。

For developing an immunoassay for multiple residues of pyrethroid pesticides, the hapten N-2- carbanmoyl-(3"-phenoxyphenyl) methyl 3-(2"-Cldoro-3",3",3"-trifluoropropenyl)-2, 2-dimethylcyclopropane- carboxylate was synthesized from cyanohydrin and 3-(2"-Chloro-3",3",3- trifluoropropenyl)-2, 2-dimethylcyclopropanecarboxylic acid via hydrolysis and esterification. The synthesis of the hapten was foundation of preparaing anti- cyhalothrin polyclonal antibodies.

为了制备对单一拟除虫菊酯高特异性的抗体，以菊酸和氰醇为起始原料，通过水解、酯化反应合成了半抗原N-2-氨甲酰-(3-苯氧基苄基)甲基-3-(2-氯-3，3，3-三氟丙烯基)-2，2-二甲基环丙烷羧酸酯，为进一步制备抗三氟氰菊酯的特异性抗体奠定基础。

Objective To evaluate the effects of tranexamic acid on coagulation and fibrinolysis in patients undergoing thoracotomy.

目的评价氨甲环酸在开胸手术中的止血作用和对开胸手术围术期凝血纤溶功能的影响。

The most commonly used drugs Bleomycin, mitomycin C, Adriamycin, 5 - 5-fluorouracil (5 - Fu), methotrexate, cyclohexyl - nitrosourea, imipramine hydrazone, Vindesine, etoposide (VP-16), chlorine and ammonia-platinum, a single chemotherapy drug remission rate in the 15% to 20% remission for 1 to 4 months.

最常用的药物有博来霉素、丝裂霉素C、阿霉素、5-氟尿嘧啶（5-Fu）、甲氨喋呤、环己亚硝脲、丙咪腙、长春花碱酰胺、鬼臼乙叉甙（VP-16），以及顺氯氨铂，单一药物化疗的缓解率在15％～20％，缓解期为1～4个月。

Indeed, in a test in November along a southern Mozambique railway that was heavily mined during this country's 17-year civil war, teams of three giant pouched rats found every one of 20 live mines in a previously unsurveyed 4,300-square-foot swatch of land.

套着红色甲胄的"万吉罗"是只2岁的雌鼠，线绳刚拉了一半，它突然停了下来，然后又转身嗅了嗅，随即伸出前爪猛挠一块红土。驯兽师马加扎马上拉响金属环，"万吉罗"慢慢向他走近领赏--香蕉。

Ten benzoylthiourea s containing substituted pyrimidine ring were synthesized,among them seven are new compounds.

合成了10种含不同取代嘧啶环的苯甲酰硫脲类化合物，其中7个为未见文献报道的新化合物。

The effects of reaction temperature, phase transfer agent and the concentration of rhodium catalyst were examined.

研究了采用水溶性铑膦络合催化体系对双环戊二烯的氢甲酰化反应，考查了反应温度、相转移剂CTAB、铑催化剂浓度等对反应的影响。

Three standard and two isolated strains of E.coli were used for drug sensitivity test on Chloramphenicol, Ciprofloxacin Lactate, Rifampicin, sulfamonomethoxine, Florfenicol, Ceftiofur Sodium as well as the antimicrobial synergists sulbactam sodium and TMP. The bacteriostasis results of the antibiotics against E.coli In vitro were compared when they were used separately or combined with the synergist.

试验用3株大肠杆菌标准株和2株地方分离株，选择氯霉素、乳酸环丙沙星、利福平、磺胺-6-甲氧嘧啶钠、氟苯尼考、头孢噻呋和抗菌增效剂舒巴坦钠、TMP进行药敏试验，比较几种药物单一或与增效剂合用对大肠杆菌的体外抑菌效果。

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: warfarin, estrogens, corticosteroids (e.g., prednisone, dexamethasone), quinidine, felodipine, metronidazole, doxycycline, griseofulvin, phenytoin, valproic acid, theophylline, MAO inhibitors (e.g., phenelzine, selegiline).

用药前，病人应告知医生或药剂师本人可能使用的所有处方、非处方及草药等，特别是华法林、雌激素、皮质激素、奎尼丁、非洛地平、甲硝哒唑、多西环素、灰黄霉素、苯妥英、丙戊酸、茶碱、单胺氧化酶抑制药。

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