查询词典 acetone

ResultsThe IC50 of the ethyl acetate extract from Alocasia macrorrhiza to A549, B16, BGC-823 were 94.6, 541.9,629.5 μg·ml-1 respectively,and those of the acetone extract from Alocasia macrorrhiza to A549 and B16 40.9,438.0 μg·ml-1 respectively. But there were quite large dosages of the IC50 of the extracts of cyclohexane, benzine, ethyl alcohol and water from Alocasia macrorrhiza to all kinds of cell lines.

结果海芋醋酸乙酯提取物对A549，B16，BGC-823的IC50分别为94.6， 541.9，629.5 μg·ml-1，丙酮提取物对A549，B16的IC50分别为40.9，438.0 μg·ml-1，而海芋的环己烷，石油醚，乙醇，水提物对各种细胞株的IC50剂量都比较大。

For the reaction of propylene and benzene, acetone and phenol occurs, catalysts using aluminum chloride.

二为将丙烯与苯发生反应生成丙酮与苯酚，催化剂采用三氯化铝。

In this artical,the yeast was modified with several chenical methods such as acidification and dried at different temperature,the acetone processing,sodium hydroxide processing,esterification and cover up the amidogen,and studied it to adsorb the copper ions .

采用酸化并在不同温度下烘干、丙酮处理、氢氧化钠处理、酯化及掩蔽氨基等化学方法对酵母菌进行修饰处理，分别研究其对铜离子的生物吸附情况。

The group of low migration nucleases were prepared by ammonium carbonate processing +acid denaturation + thermal denaturation + acetone extraction.

在提取过程中产生两组核酸酶，在SDS-PAGE-DNA功能胶中迁移率较慢的一组采用碳酸铵处理+酸变性+热变性+丙酮沉淀的提取方法来获得较好的层析样品。

These studies indicate that the boron fluoride with nitromethane or acetone system with higher separation factor is superior to the anisole system used currently,but a more detailed study is.

采用苯甲醚、硝基甲烷、丙酮、甲基异丁基甲酮4种络合剂分别与三氟化硼合成出了4种络合物体系。

We find out that TCA / acetone method suitable for extraction of total protein upon Areca leaves through compare to different methods of protein extraction. It is the base to get good 2-DE map.

通过优化双向电泳的条件（包括电泳过程中电压的选择、第一向和第二向温度的控制、准确的定量蛋白质、优化蛋白质的上样量、裂解液的选择等），获得了较高质量的2-DE图谱。

Results: Using of handy infrared gas spectrometer, the ammonia, sulphur dioxide, acetone, butanone, ethyl acetate, chloroform, benzene, toluene, methyl alcohol, ethyl alcohol, isopropanol, and other harmful gases can be carried out quickly Online Testing. The arsine, hydrogen chloride, hydrogen cyanide, hydrogen sulfide can not be detected online.

结果：可利用便携式红外气体分析仪对氨、二氧化硫、丙酮、丁酮、乙酸乙酯、氯仿、苯、甲苯、甲醇、乙醇、异丙醇等有害气体可进行快速的在线检测，不能对砷化氢、氯化氢、氰化氢、硫化氢进行快速在线检测。

In this experiment, we utilized organic solvent ethanol, acetone sedimentation separation method to separate and purify metal chelates. In the mean time, the chelation ratio of L-aspartic acid/aspartame zinc、autunite、coppe、ferrous complex was determined by EDTA complexometric titration and the products\' structure were analyzed and confirmed by IR spectrometry.

本试验采用有机溶剂乙醇、丙酮沉淀分离法来分离提纯金属螯合物，借助EDTA络合滴定法测定了L-天门冬氨基酸、阿斯巴甜与金属元素钙、铁、铜、锌的螯合率，利用红外光谱对产品结构进行了分析确认。

Methods The immobilizing conditions of neutrophil alkaline phosphatase staining were detected by the stationary liquid of 40%, 60% and 80% acetone-citric acid, and at the same time, the staining conditions were detected at 10, 15 and 20 minutes in the matrix liquid prepared respectively with 2-amino-2-methyl-1.3-propylene glycol (PH9.4-9.6) buffer, barbital (PH9.2) buffer and Tris (PH9.2) buffer.

用40%、60%、80%的丙酮-枸缘酸固定液对中性粒细胞碱性磷酸酶染色固定条件进行测定。同时用2-氨基-2-甲基-1.3-丙二醇(pH9.4-9.6)缓冲液、巴比妥(pH9.2)缓冲液、Tris(pH9.2)缓冲液配制的基质液分别在10、15、20分钟的染色条件进行测定。

Benzene-acetone (4:1,V/V)was used as developing agent to soparate amidopyrine and barbitone from the compound amidopyrine injection solution on the silica G plate,and Dual wave thin-layer chromatographic densitometry was used to determine amidopyrine (λ_s = 270nm,λ_R=340nm)and barbitone (λ_x=205nm,λ_R=320nm).

以苯-丙酮(4：1，V/V)为展开剂，在薄层硅胶板上将复方氨基比林注射液中的氨基比林和巴比妥分离后，通过双波长扫描测出氨基比林(λ_s=270nm，λ_R=300nm)和巴比妥(λ_s=205nm，λ_R=320nm)的含量

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。