甲

Objective To study the degradation kinetics of bulleyaconitine A. Methods Classical constant temperature method and HPLC were used.

摘要目的研究草乌甲素的降解动力学，考察影响草乌甲素降解的因素。

The results showed that the soil catalase and dehydrogenase activities, soil microbial biomass N and microbial biomass C were restrain somewhat by four acetanilide herbicides at the beginning of cultivation, but can recover soon.

研究表明，培养初期丁草胺、乙草胺、丙草胺和异丙甲草胺对土壤过氧化氢酶和脱氢酶活性、对土壤微生物量氮和微生物量碳有不同程度的抑制，但均能很快恢复，四种供试酰胺类除草剂对土壤生态的影响不大，除草剂之间也没有表现出显著差异；培养初期rac-异丙甲草胺和S-isomer高浓度处理均比常规用药量处理对土壤酶、土壤BN和Bc的影响大。

A comparison of using two different nitriles, acetonitrile and benzonitrile, shows that benzonitrile gives higher conversion.

通过以乙腈和苯甲腈分别作为反应用腈的对比实验发现，苯甲腈的效果优于乙腈。

My armor?+3 adamantine light fortification full plate.

我的护甲？+3 精金超轻防御全身板甲。

Methods: A randomized, single blind controlled clinical design was used to accomplish the series clinical trials included 123 cases. The troop of gatifloxation injection with sodium chloride included 20 cases in gatifloxation group and 23 cases in ciprofloxation group; The troop of gatifloxation injection with glucose included 21 cases in gatifloxation group and 19 cases in levofloxacin group; The troop of gatifloxation pivoxil included 19 cases in gatifloxation group and 21 cases in ciprofloxation group. The antibacterial activity of clinical isolates were detected by scrips which contain gatifloxation(5ug/L), levofloxacin (5ug/L), ciprofloxation (5ug/L), spafloxation(5ug/L), cefotaxime(30ug/L), penicillin(10U/L) respectively. The MICs of sixkinds of antibiotics were detected by 2-fold agar dilution method. Result: The common data of patients in the two groups of 3 troops were similiar.

采用区组分层均衡随机单盲试验设计，分别完成甲磺酸加替沙星氯化钠注射液组试验药20例及对照药23例、甲磺酸加替沙星葡萄糖注射液组试验药21例及对照药19例、甲磺酸加替沙星片剂组试验药19例及对照药21例共123例感染患者的临床试验；用K-B法测定临床分离致病菌对加替沙星(5ug／L)、左氧氟沙星(5ug／L)、环丙沙星(5ug/L)、司帕沙星(5ug/L)、头孢噻肟(30ug／L)、青霉素(10U／L)纸片的敏感性，再用按美国国家实验室标准委员会(National Committee for Clinical Laboratory Standards，NCCLS)推荐的琼脂平皿对倍稀释法测定临床分离菌株对加替沙星、左氧氟沙星、环丙沙星、司帕沙星、头孢噻肟、青霉素的最低抑菌浓度(Minimum Inhibitory Concentration，MIC)以了解其体外抗菌活性。

Determination of Tyrosine in Urine Spectrophotometric Method;2. For chemical pre-extraction, MSTFA/TMSL derivatization reaction, GC/MS analysis, it is confirmed that two main metabolites (19-no-randrosterone and 19-noretiocholanolone) were found in nandrolone urine.

本文对合成的19-去甲雄烷醇酮的四个差向异构体混合物进行气相色谱分离，对诺龙和炔诺酮用药后，留取的人尿样通过化学预处理，MSTFA/TMSI衍生化反应，GC/MS分析，确证了尿样中诺龙的两个主要代谢产物为19-去甲雄酮和19-去甲原胆烷醇酮，炔诺酮的两个主要代谢物是四氢炔诺酮的两个形式，可能是3α-OH-5α-THINE和3α-OH-5β-THINE，在炔诺酮代谢前期，还发现有诺龙的上述两个代谢物存在。

New members need to pay RMB 200 to join our club. If old members want the valid period to be re-counted, they should pay the initial fee again. i.e. Mr. A's membership expired 31 Jan. 2009 and he recharges on 1 Mar. 2009, then the further valid period is from 1 Feb. 2009 to 31 Jan. 2010. If Mr. A wishes his membership to last from 1 Mar. 2009 to 28 Feb. 2010, he need to pay 200 total, both the initial and term fee.

老会员若要会藉资格时间重新计算则需重新缴纳入会费（例：会员甲的会藉资格2009年1月31日到期，2009年3月1日续费100元，那么新年度的会藉资格是2009年2月1日—2010年1月31日，若会员甲希望会藉资格从2009年3月1日-2010年2月28日，那么会员甲必须重新缴纳入会费100元及会藉年费100元）。

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However, the rhodium process with oil compounds encounter problems due to the thermal sensitivity of the high boiling point oxo-products, which cannot be isolated from the homogeneous reaction mixture by distillation.

采用~1H-NMR和FT-IR谱分析了油醇的氢甲酰化反应产物，证实了其结构为甲酰基十八碳醇，且甲酰基的位置可以在主碳链的中间或端位。

METHODS: An open, randomized, twoperiod crossover study was conducted in 18 healthy volunteers. Concentrations of gatifloxacin in plasma were assayed by HPLC after a single oral dose of 400 mg of the tested capsules or the referenced tablets. The main pharmacokinetic parameters ［AUC（0-24h）, Cmax and Tmax］ were analyzed by two onesided t test. RESULTS: The concentrationtime curve after medication conformed to onecompartment open model with a first order absorption.

采用双周期随机交叉、自身对照试验设计法，将18例男性健康志愿者随机分为两组，分别单剂量口服甲磺酸加替沙星胶囊400 mg和甲磺酸加替沙星片400 mg，经1 w清洗期后交叉换药，以高效液相色谱法测定受试者服药后血浆中加替沙星的经时浓度，计算加替沙星药动学参数，以双单侧t检验统计法比较两种甲磺酸加替沙星制剂是否具有生物等效性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。