查询词典 ethyl

In this paper, the ionic liquid-polymer electrolytes based on 1-ethyl-3-methylimida-zolium tetrafluoroborate (EMIBF_4) and poly(vinylidene fluoride-co-hexafluoropropane) P(VDF-HFP were prepared on the basis of the existing results.

本论文采用室温离子液体，1-乙基-3-甲基咪唑四氟硼酸盐(EMIBF_4)与聚偏氟乙烯-六氟丙烯聚合物复合制备了新型离子液体/聚合物电解质。

Methods: 1.Washing celery and dividing it into two parts, namely stems and leaves. Then each part will be made separately the juice and the dregs with the wringer, after two parts of celery juice have be evaporated by revolving evaporation instrument, collects its extracts. After two parts of celery dregs have be extracted by ethyl alcohol, collects its extraction.

1、将芹菜洗净分成茎和叶两部分，用榨汁机分别将每部分制成汁和渣，两部分的芹菜汁经旋转蒸发仪浓缩后收集其提取物，两部分的芹菜渣经乙醇提取后浓缩并收集其提取物。

Experimental results indicate that the growth of bacteria is retarted seriously in the media containing ethyl xanthate more than

对矿石抛光面实验的结果表明，细菌对黄铁矿的浸蚀作用在晶格缺陷处和解理面方向均可进行；而对毒砂的浸蚀作用则只在缺陷较为明显处选择性进行，显示出细菌对黄铁矿的直接作用更为明显。

The effects that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ conditions has been studied.

考察了不同条件对异丙基黄药合成异丙基黄原酸甲酸乙酯的影响。

The degradation law for potassium ethyl xanthate is studied for itself and tailings reservoir separately in the condition of visible light and ultraviolet radiation.

本文研究了在可见光和紫外光条件下选矿药剂乙基黄原酸钾自身以及在模拟的尾矿库环境中的降解规律，分析了乙基黄原酸钾在不同条件下的降解趋势，以及尾矿和不同的光存在条件下对乙基黄原酸钾降解的影响。

The calcium was determined by xylenol orange-CTMAB-absolute ethyl alcohol complexation color in the gelatin.

以二甲酚橙—十六烷基三甲基溴化胺—无水乙醇络合显色体系测定了明胶中的钙。

Commercially available 2 nitro 4 methoxyaniline was used as starting material and converted via reduction with zinc dust and cyclization with potassium ethyl xanthate into the title compound,suggesting that this procedure is suitable for industrial production.

以4 甲氧基 2 硝基苯胺为原料，经锌粉还原后，再与乙基黄原酸钾环缩合制得2 巯基 5 甲氧基 1H 苯并咪唑。结果收率80%。结论该方法简单易行，适合工业化生产。

Thecompositions of raw material and products were identified with GC-MS, the results indicatedthat the products were composed of (β-acryloxyl ethyl) esters of dihydropimaric acid anddehydrogenated abietic acid, and their relative amounts was consistent with the amount ofdihydropimaric acid and dehydrogenated abietic acid in the disproportionated rosin.

论文还采用GC-MS对原料和产物的组分进行了鉴别，结果表明酯化产物由二氢海松酸酯和脱氢枞酸酯组成，且其相对含量与歧化松香中二氢海松酸和脱氢枞酸组成基本一致。

Then the extracts of petroleum ether,chloroform,ethyl acetate,n-butanol and distilled water were extracted by solvent extraction,and whose acaricidal activity were detected by killing Psorptes communis cuniculi in vitro.

用石油醚、氯仿、乙酸乙酯、正丁醇、蒸馏水五种溶剂对丁香进行部位提取，采用离体杀螨试验观察各部位提取物的杀螨活性。

The exact of petroleum ether was the acaricidal active site of Eungenia caryophyllata. 3.Isolation, purification and identification of compounds with acaricidal activity in Eugenia Caryphyllata: The exact of petroleum ether was separated into 6 parts by silica gel column chromatography with gradually increasing polarity of petroleum ether: ethyl acetate. The part C was demonstrated to be the most effective part by acaricidal activity test in vitro,and the time for it to kill all experimental mites was about 20 min.

丁香杀螨活性成分的追踪分离、纯化与结构鉴定：采用硅胶柱层析法，以石油醚：乙酸乙酯溶剂系统梯度洗脱，对丁香石油醚提取物进行分离，得到A~F 等6 段混合物，离体杀螨试验发现，C 段混合物具有突出的杀螨活性，50%浓度平均15min可杀死全部供试螨虫。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。