碱的

The calibration curve was linear over a range of 0.5-15μg mL~(-1) for bothstrychnine and brucine, with a correlation coefficient of 0.998 and 0.997, respectively.The detection limits (S/N=3:1) for strychnine and brucine were 0.05μg mL~(-1) and 0.07μg mL~(-1), respectively. The Sweeping-MEKC method has been successfully applied to theanalysis of strychnine and brucine in Strychnos nux-vomica L and its Chinese medicinalpreparations.

以小檗碱为内标，士的宁与马钱子碱的浓度在0.5～15μg／mL范围内与其峰面积与内标峰面积的比值呈良好的线性关系，线性相关系数分别为0.998和0.997，检出限分别为0.05μg／mL和0.07μg／mL。

The thesis applies the principle that organism and organic reagent can visualize in some condition and produce color association polymer. We have tried several organic reagents in order to build color reaction for berberine; at last, we find that thymol blue can react with berberine with good results.

Spectrophotometric Determination of Berberine using Thymol Blue-化学工程与工艺-利用有机化合物与有机试剂在一定的条件下能显色生成有色缔合物的原理，尝试了铬兰黑R、百里香酚蓝、甲酚红等多种有机试剂与盐酸小蘖碱的显色反应，结果发现麝香草酚蓝与盐酸小蘖碱的显色反应较好。

Methods The experimental arrhythmia models were induced with barium chloride (BaCl2),uabaina and aconitine in rats and cobayaes.The incidence rate and mortality rate of arrhythmia,the emergence time and the duration of arrhythmia induced with BaCl2 were recorded in rats pretreated with CASI (in dosages of 25,50, and 100 mg·kg-1 sublingual vein injection).At the same time,the dosages of uabaina and aconitine were observed when the ventricular premature contraction,ventricular tachycardia,ventricular fibrillation and cardiac asystole were appeard in rats and cobayaes pretreated with CASI (in dosages of 25,50, and 100 mg·kg-1 sublingual vein injection).

制备氯化钡(BaCl2)、哇巴因及乌头碱诱导的大鼠及豚鼠实验性心律失常模型，CASI按25、50、100 mg·kg-1分为3个剂量组，舌下静脉给药1次，不给CASI作为对照组，记录大鼠给BaCl2后心律失常的发生率、出现时间、持续时间及动物的死亡率；观察豚鼠及大鼠出现室性早搏、室性心动过速、心室颤动及心脏停搏时哇巴因及乌头碱的用量。

ABSTRACT This thesis is aimming at the synthetic study of Cephalotaxine, and consists of the following three parts: Charpter 1 reviews the isolation, chemical structure identification, biological activities, and synthetic studies of structurally unique antileukemia Cephalotaxus alkaloids.

本论文以三尖杉碱的全合成新方法为研究的核心，共分以下三部分内容：第一章简要地概述了天然三尖杉生物碱的分离、结构及生理活性，三尖杉碱的全合成研究。

The mechanism of dioxygen oxidation of 4-nitrotoluene-2-sulfonic acid to 4,4'-dinitrostilbene-2,2'-disulfonic acid in alkali solution under mild condition was investigated.

探讨了在温和条件下在碱的水溶液中氧气液相氧化 4-硝基甲苯- 2 -磺酸制取 4，4'-二硝基二苯乙烯- 2 ，2 '-二磺酸的反应机理，发现 4-硝基甲苯- 2 -磺酸在碱作用下发生离子化生成 4-硝基- 2 -磺酸基苄基阴离子，然后被活化的分子氧氧化成 4-硝基- 2 -磺酸基苄基自由基是反应的关键步骤。

As an important plant osmotic regulators, glycine betaine in plants, under the osmotic stress, can be accumulated in order to give the plants high salt-tolerance by reducing osmotic pressure and maintaining proteinic structure in cell.

甘氨酸甜菜碱是一种重要的调渗物质，在盐胁迫下有些植物能通过体内甘氨酸甜菜碱的积累保护细胞内蛋白质的结构和功能，降低细胞水势，从而来增加自身的耐盐能力。

The cobalt blue bulb glass manufactuerd by soda-lime silicate is substituted for different proportion of potassium, sodium and lithium.

透过这些钴蓝玻璃的灯泡发光钨丝呈现不同的颜色，含大离子半径碱的呈红黄混合色，含小离子半径碱的呈纯正红色。

So we selected thevinblastine optimum parameters were 0.1μg/ml and 8 hour cultured duration.The fourth, there were significantly differences percent between 10 hourgroups and other three groups in 0.1μg/ml groups; and there were no significantlydifferences between 8 hour groups and 10 hour groups, but they had significantlydifferences among other two groups in 0.3μg/ml groups; and there weresignificantly differences between 10 hour groups and other three hour groups in0.5μg/ml groups; and there were significantly differences between 10 hour groupsand other three groups in 0.7μg/ml groups on the metaphases (P＜0.05), in theexperiment of the effect on the mouse 8- cell embryo stage single blastomere ofvinblastine with different concentrations and duration, by x~2 statistical analysis.

根据实验的实际情况，适宜制备小鼠4-细胞期胚胎单卵裂球染色体标本的长春花碱的处理浓度和时间是0.1μg／ml和8小时。4、在确定长春花碱不同处理浓度和时间对小鼠8-细胞期胚胎单卵裂球中期分裂相数影响的实验中，经统计分析，阻断培养0.1μg／ml浓度组中10小时组与其他三组差异显著；阻断培养0.3μg／ml浓度组中8小时组和10小时组间差异不显著，但与其他两组差异显著；阻断培养0.5μg／ml浓度组中10小时组与其他三组差异显著；阻断培养0.7μg／ml浓度组中10小时组与其他三组差异显著(P＜0.05)。

The sixth, there were no significantly differences between colchicine groupsand vinblastine groups on the metaphases, in the experiment of prepare mouse4-cell embryo stage single blastomere chromosome specimen by using optimumparameters; and there were significantly differences between colchicine groupsand vinblastine groups on the metaphases (P＜0.05), in the experiment of preparemouse 8-cell embryo stage single blastomere chromosome specimen by usingoptimum parameters.The end, the preparation quality of mouse 4-and 8-cell embryo stage singleblastomere specimen were 2.5, 2.7, 2.4, 1.9, respectively.

低渗液选用0.45％氯化钠时，低渗效果优于选用0.5％柠檬酸钠和0.35％氯化钾的。6、在利用最佳参数制备小鼠4-细胞期胚胎单卵裂球染色体标本时，经统计分析，两种阻断剂的作用效果差异不显著；而在制备小鼠8-细胞期胚胎单卵裂球染色体时阻断剂选用长春花碱的效果优于秋水仙素的(P＜0.05)。7、秋水仙素组和长春花碱组小鼠4、8-细胞胚胎单卵裂球染色体标本制备质量分别为：2.5、2.7、2.4、1.9。

The mechanism of dioxygen oxidation of NTS to DNS in alkali solution under mild condition was inquired into. The result showed that the key step in the preparation of DNS from NTS was the formation of 4-nitro-2-sulfobenzyl anion as a result ionization of NTS in strong alkali and then oxidization to 4-nitro-2sulfobenzyl radical by activated dioxygen.

探讨了在温和条件下于碱的水溶液中氧气液相氧化4-硝基甲苯-2-磺酸制取4，4'-二硝基二苯乙烯-2，2'-二磺酸的反应机理，发现4-硝基甲苯-2-磺酸在碱作用下发生离子化生成4-硝基-2-磺酸基苄基阴离子，然后被活化的分子氧氧化成4-硝基-2-磺酸基苄基自由基是反应的关键步骤。

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。