查询词典 diacetate

Critical temperatures of lyotropic liquid crystalline formed in cellulose diacetate/trifluoroacetic acid and CDA/dichloroacetic acid solutions of different concentration were determined respectively using DSC technique.

用DSC技术分别测定了二醋酸纤维素在不同浓度的三氟醋酸和二氯醋酸溶液中形成的溶致液晶的临界温度，并绘制了相图。

This dissertation is mainly focused on the reactivity of methylenecyclopropanes and comprises six parts. 1 The reactions of methylenecyclopropanes with phenylsulfenyl chloride, phenylselenyl chloride and diphenyl diselenide; 2 The coupling reactions of the ring-opening products derivated from methylenecyclopropanes; 3 The palladium-catalyzed ring-enlargement of mono-aryl group substituted methylenecyclopropanes to cyclobutenes. 4 The gold-catalyzed domino ring-opening and ring-closing hydroamination of methylenecyclopropanes with sulfonamides; 5 The Lewis acid-catalyzed reactions of mono-aryl group substituted methylenecyclopropanes with diethyl ketomalonate in the presence of water; 6 The iodobenzene diacetate mediated novel 1,3-dipolar cycloaddition of methylenecyclopropanes, vinylidenecyclopropanes, and methylenecyclobutane with phthalhydrazine.

本论文主要研究了亚甲基环丙烷类化合物的一些化学反应性能，共由以下六部分组成：1、亚甲基环丙烷类化合物与苯硫氯、苯硒氯及二苯基二硒的反应；2、亚甲基环丙烷类化合物开环产物的偶联反应；3、单芳基取代的亚甲基环丙烷类化合物在钯催化剂作用下的扩环反应；4、金化合物催化磺酰胺对亚甲基环丙烷类化合物的串联开环关环氨氢化反应；5、路易斯酸催化亚甲基环丙烷类化合物与丙酮二羧酸二乙酯在有水存在下的反应；6、醋酸碘苯促进的亚甲基环丙烷类化合物、亚乙烯基环丙烷类化合物及亚甲基环丁烷类化合物与邻苯二甲酰肼的新型1，3-偶极环加成反应。

METHODS: A model of T cell activation and proliferation was established by stimulated the cells with Con A.T cells were treated with different concentrations of CPT. The expression of CD69, the early marker of CD3(superscript +) T cell activation, was measured by FACS. The proliferation index was determined by carboxyl fluorescin diacetate succinmidyl ester by flow cytometry. The cell-cycle distribution was analyzed by propidium iodide staining.

以ConA刺激小鼠T淋巴细胞，建立小鼠T淋巴细胞活化、增殖的模型，以不同浓度的CPT作用于该模型，流式细胞术检测T细胞早期活化标志CD69分子的表达；以活体染料羧基荧光素乙酰乙酸染色流式细胞术分析CPT在ConA刺激下小鼠淋巴细胞的增殖相关指数；以碘化丙啶染色流式细胞术分析细胞周期的分布情况。

METHODS: After stimulated with Con A, T cells were treated with different concentrations of TMB-8 alone and its combination with cyclosporine A. The expression of CD69, the early marker of CD3(superscript +) T cell activation, was measured by FACS. The proliferation-related index was determined by carboxyl fluorescin diacetate succinmidyl ester flow cytometry. The cell-cycle distribution was analyzed by propidium iodide staining.

以Con A作为T细胞活化、增殖的刺激剂，以不同浓度的TMB-8及与环孢菌素A联合作用于该系统，用流式细胞术检测T细胞早期活化标志CD69分子的表达；以活体染料羧基荧光素乙酰乙酸染色流式细胞术，分析TMB-8在Con A刺激下小鼠淋巴细胞的增殖相关指数；以碘化丙啶染色分析细胞周期的分布情况。

Methods: The model of evaluating T cell proliferation stimulated with polyclonal activators, ConA was established by vital dye carboxyl fluorescin diacetate succinmidyl ester labeling technique. The effect of a specific inhibitor for p38 MAPK, SB253580, on T cell proliferation on different doses and in different time was estimated by flow cytometry. At the same time, the percentage of proliferating T cells and proliferation index were measured by CellQuest and SPSS10.0 for Windows softwares.

以活体染料羧基荧光素乙酰乙酸琥珀酰亚胺酯染色，建立了在多克隆刺激剂刀豆蛋白A刺激下评价小鼠T细胞增殖的模型，通过流式细胞术分析p38丝裂原活化蛋白激酶的特异性抑制剂SB203580在不同剂量、不同时间对T细胞增殖的作用，并应用CellQuest和SPSS10.0 for Windows软件分析增殖细胞各代所占比例和增殖指数。

Methods: A model to evaluate lymphocyte proliferation stimulated with a polyclonal activator, concanavalin A, was established by vital dye carboxyl fluorescin diacetate succinmidyl ester labeling technique. Effects of the different doses of anisomycin on the lymphocyte proliferation were estimated by flow cytometry and MTT methods. The propidium iodide labeling technique was applied to assay the effect of the different doses of anisomycin on changes of the lymphocyte cell-cycle stimulated by ConA or by phorbol ester plus Ionomycin. The percentage of the expression level of CD69 and CD25 on the activated lymphocytes was evaluated by fluorescin-conjugated monoclonal antibody double labeling technique.

以活体染料羧基荧光素乙酰乙酸琥珀酰亚胺酯染色，建立在多克隆刺激剂刀豆蛋白A刺激下评价小鼠淋巴细胞增殖的模型，通过流式细胞术和MTT法分析茴香霉素在不同剂量下对淋巴细胞增殖的作用；采用碘化丙锭染色分析茴香霉素对ConA或佛波醇酯加离子霉素刺激的小鼠淋巴细胞周期变化的作用；利用荧光标记的单克隆抗体双染技术和流式细胞术观察茴香霉素对小鼠CD3~+T细胞早期及中期活化标志分子CD69和CD25表达的影响。

We studied reactions of sulphoxide with aliphatic and aromatic 1,3-dicarbonyl compounds promoted by Cu2·H2O, 2,2′-biimidazole and iodobenzene diacetate, with the presence of K2CO3 as a base and DMSO a solvent.

我们以K2CO3作为碱，DMSO作为反应的溶剂，在二醋酸碘苯、Cu2·H2O、2，2′-联咪唑体系中，对脂肪族和芳香族的1，3-二羰基化合物和亚砜的反应进行了研究。

The microscale reaction was performed by introducing the solution of benzaldehyde and phenylenediamines in ethanol, and the solution of iodobenzene diacetate in ethanol through the two inlets of the Y-shaped microfluidic chip reactor at ambient temperature.

反应物邻苯二胺和苯甲醛的乙醇溶液以及二醋酸碘苯的乙醇溶液，分别从微流控芯片反应器的&Y&型进样口注入，混合反应2分钟后，即可得到苯并咪唑类化合物。

Thirteen benzimidazole derivatives were synthesized by one-step oxidative cyclisation of 1, 2-phenylenediamine or 4-methyl-1, 2-phenylenediamine at room temperature and a series of aromatic aldehydes under imidazolium salt grafted iodobenzene diacetate assisted.

以水为溶剂，在咪唑盐二醋酸碘苯促进下，通过邻苯二胺或4-甲基邻苯二胺与各种芳醛室温氧化环合，一步合成了13种苯并咪唑类衍生物，反应时间25~45 min，反应产率92%~98%。

The acyl derivatives all exhibited higher inhibitory effect than prinsepiol, among which isobutyryl and diacetate derivatives exhibited highest activity with EC50 of 3.85 mg/L and 5.60 mg/L respectively.

在Prinsepiol 4，4'位引入不同酰基后化合物的抑菌活性均有不同程度提高，其中4，4'-二异丁酰基衍生物和4，4'-二乙酰基衍生物的抑菌活性均较好，有效中浓度(EC50)分别为3.85和5.60 mg/L，是Prinsepiol的6~8倍。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。