多碱的

The result showed that sodium hydroxide's hydrolyze rate was larger than diamine's ammonolysis and coordinated effect on the modification polyester fiber occurred between sodium hydroxide and diamine.

目前，国内外有关涤纶的改性研究甚多，生产方法亦多样化；其中用碱溶液对改性聚酯纤维进行处理，是改善涤纶手感、吸水性等诸多缺点的重要方法之一。

81 Was prepared by the reaction of tris2-(salicylideneiminoethyl amine with zinc picrate [Zn2] in ethanol.

在不加任何碱的条件下，三[2-乙基]胺与苦味酸锌[Zn26H2O]在乙醇中反应，得到了较为少见的多胺单缩合西夫碱配体的配合物[ZnN(CH2CH2NH2)2(CH2CH2N=CH-C6H4O)]Pic。

We discussed the syntheses of two different types of plant alkaloids in this thesis. In part A, we aimed at total syntheses in two kinds of aporphine alkaloids, lirioferine and boldine. In part B, we developed a tactic about radical cyclization in polyhydroxylated piperidine synthesis.

中文摘要本篇论文中探讨了两种不同种类植物碱的合成，在A部分中，我们针对阿朴吩类天然物中的鹅掌楸啡碱与波儿丁碱做了各自的全合成研究；在B部分中，我们发展了一种自由基环化策略运用在含多羟的哌啶类化合物之合成上。

This part introduce microporous zeolite compounds , especially the zeolite-like compounds which were developed by Yaghi et al by using thermally stable aromatic polyacid and metal ions as second building unit .

这部分介绍了微孔的类分子筛化合物，特别是 Yaghi 等利用刚性和热稳性本身比较好的芳香多酸和多碱配体和金属离子作为建筑单元发展的的第三代类分子筛，即：金属—有机框架。

This dissertation involves the study of the growth dynamics of colloidal particles under unequilibrium and irreversibility condition. Firstly, it is of interest to investigate whether the ideal diffusion or reaction-limited aggregation universal behavior can be observed for the initially polydisperse practical system of basic yttrium carbonate as well. The fractal structure of basic yttrium carbonate aggregate cluster was observed using transmission eletron microscopy. The aggregation kinetics of basic yttrium carbonate colloids was studed using dynamic 1ight-scattering techniques. At 1.00mol/l NaCl solution the fast diffusion-limited aggregation behavior was observed with an increase in the aggregate size over time described by a power law. The aggregates are characterized by a fractal dimension D=1.82. The disordered and ramified cluster is consisted of primary colloidal particles and tenuous and more open. These are in good agreement with those observed for other colloidal system such as colloidal gold (1.86), silica (1.85) and polystyrene latex (1.82) in diffusion-limited aggregation from the static and dynamic light scattering by Lin. Therefore ideal diffusion-limited aggregation behavior can be observed in practical polydisperse system as well. Smoluchwski and fractal theories were used to obtain the aggregation rate constant for initially polydisperse system for the first time.

本论文研究胶粒的非平衡不可逆聚集动态学，分为两个部分，第一部分是通过实验研究一个新的初始多分散的碱式碳酸钇胶粒实际体系中，聚集标度性质的普适性，即使用透射电子显微技术观测聚集粒子簇的分形结构，使用动态激光光散射研究碱式碳酸钇胶粒的聚集动力学，胶粒带电而产生静电排斥作用使得碱式碳酸钇胶粒处于稳定状态，当加入电解质NaCl溶液时，碱式碳酸钇胶粒间的Debye-Hückel屏蔽距离缩短，从而降低静电排斥能垒，引起胶粒发生不可逆聚集，加入电解质NaCl的浓度为1.00mol/l时，碱式碳酸钇胶粒进行快速聚集，经历扩散控制聚集机理，形成结构疏松、更为开放的分形聚集粒子簇，其分形维数为1.82，碱式碳酸钇胶粒聚集增长动力学遵循幂函数增长规律，与Lin等使用静态激光光散射和动态激光光散射测量硅胶(1.85)、金胶(1.86)和聚苯乙烯胶乳(1.82)在扩散控制聚集状态形成聚集粒子簇的分形维数值以及粒子簇聚集增长的动力学规律相一致，表明胶粒聚集标度性质的普适性质在初始多分散的实际体系中也是存在的，首次由动态激光光散射的实验数据得到初始多分散胶粒分形粒子簇的聚集速率常数，并且其值与Smoluchowski聚集速率理论预期相符。

"It looks like in 2 or 3 years we will have a cocaine vaccine on the market," he told the audience. Disulfiram, a generic drug that was approved over 50 years ago by the US Food and Drug Administration for alcohol abuse, is not currently being developed for cocaine abuse, despite fairly robust research findings for this application, he added.

他向听众表示，看起来两、三年内就会有古柯碱疫苗上市；他附带表示，disulfiram，一种在50年前由美国食品药物管理局核准使用於治疗酒精滥用的学名药，目前并未被研发作为古柯碱滥用治疗，尽管相当多严谨的研究结果显示这是可行的。

Individuals with gene variants or haplotypes associated with low levels of dopamine beta-hydroxylase were more likely to attain cocaine-free urine with disulfiram in a study of heavy users of cocaine.

试验中投予disulfiram的严重古柯碱成瘾患者，如因个体基因变异或基因序列单体变异使体内产生较低的多巴胺贝他水解酵素，较容易得到没有古柯碱的尿液。

Using gel filtration,the molecular weights of hot water extracts from C.

以胶体层析法得知鸡腿菇热水萃多醣的分子量较其碱萃多醣大。

It was also found base transversion had a extremely high ocurrence frequency in the single base substitution mutants when the plasmid was replicated in FL-FEN-1〓 cell or MNNG pretreated FL-FEN-1〓 cell, while in all mutants with multiple base substitution there were at least one transversion mutation taken place.

分析还发现，在FL-FEN-1〓细胞自发突变和非定标突变含有单碱基替换突变的突变子中，碱基颠换的发生率极高，而在FL-FEN-1〓细胞自发突变和非定标突变的多碱基替换突变子中，每个突变子均至少含有一个碱基颠换突变。

By cloning and sequencing those DNA fragments with polymorphisms we found 3 SNPs, they were as following: T→C in exon 3, G→C in introns 5,A→C in exon 6, in which A→C in exon 6 was non-synonymous substitution, it resulting in Thr→Arg.

对有多态的位点进行克隆测序，结果发现：外显子3中的一处碱基由T→C，是同义突变；内含子5中的一处碱基由G→C；外显子6中的一处碱基由A→C，是错义突变，导致苏氨酸变成精氨酸。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。