乙醚

With egg yelk as raw material, extracted by aquiferous ethanol and aether, removing water and oil by acetone, we gain phospholipids mixture, and search the extracting conditions. The optimum condition is determined:extracting temperature (20 ), time (60mins), solvent (92%ethanol),solvent quantity (12 times of the yelk), at which yield is highest; using thinlayer chromatography to measure its component, the content of phosphatidylcholine extend to 68.2%.

本文以鸡蛋的卵黄为原料，采用含水乙醇与乙醚提取，通过丙酮脱水去油，得到粗品卵磷脂；并对提取条件进行了优化研究，结果表明：提取时间60分钟，用92％乙醇，加入含水乙醇是蛋黄重的12倍，在20℃时，卵磷脂收率最高；采用薄层扫描法定量检测，所得粗品卵磷脂的纯度高达68.2％。

The contents of fat, glycogen, protein, RNA and DNA, in diapause pupa of Heliothisarmigera Hubner were determinated by ether extract method, anthroic ketone colorimetry,Folin-phenal method and ultraviolet absorption method respectively.

本文通过乙醚提取法、蒽酮法、Folin－phenal法和紫外吸收法分别测定了棉铃虫滞育越冬蛹在滞育期中脂肪、糖原、蛋白质、RNA和DNA含量的变化。

Volatile oil and β-asaron are efficiency parts ofAcorus tatarinowii Scho...

提取石菖蒲挥发油、β-细辛醚、乙醚层、乙酸乙酯层、正丁醇层、水层六个部位。

1The cardiac disturbances of hypothermic dog under ether anaesthesia showed the following types:ventricular fibrillation,asystole or asystolic fibrillation.

一在乙醚麻醉下，低温所致狗心脏活动障碍有三种型式，即心室颤动、心跳停止和心跳停止式心室颤动。

Mission:"equality and mutual benefit, reputation first, unity and cooperation and friendship between the long-term" supply products: ethylenediamine; diethylamide; triethylamine; Diethylenetriamine; three ethylene diamine; three ethylene amines 40; 40 Five ethylene amines; five ethylene amines 6; caprolactam; DMF; allyl amine; N, N dimethylaniline; propylamine; are butylamine; are TOA; 3 Poly Cyanamide; 1,2 c diamine; ethanolamine; diethanolamine, triethanolamine; potassium iodide, potassium hydroxide, potassium permanganate, toluene, xylene, toluene of chlorine ; Acetone, butanone; acetylacetone; ethyl acetate, butyl acetate; Y-butyrolactone; DMC; acetyl of methyl acetate; Sanfu acetyl acid; Sanfu acetyl B Ethyl; methanol, ethanol, isopropanol; propylene glycol; glycerol; propargyl alcohol; 1.3 propylene glycol; xylitol; acetic acid; have acid; mercaptoacetic acid; vary Bitterness; adipic acid; trifluoroacetic acid; oxalic acid, the amino acid; o-amygdalin acid; DL-Acid; anhydrous piperazine; six non-piperazine, furfural, castor oil, ethylene Aldehyde; glutaraldehyde, multi-POM; isopropyl ether; anisole; tetrahydropyrrole; pure pyridine; 1.2 dichloroethane; methylene chloride, chloroform, carbon tetrachloride; hydrazine hydrate; Nonylphenol;-m-cresol; Se phenol; phenol; the tert-butyl phenol; Titanium Dioxide; iron; full Tangfen; Bisphenol A; azo two different nitrile; sodium azide; sodium carbonate ; Sodium chloride; iron oxide; cuprous chloride; thionyl chloride; D4; sodium bicarbonate; ammonia, potassium chloride; anhydrous sodium sulphite; ammonium persulfate; glycol Dingmi; B Glycol ether; calcium chloride; cyclohexanone; cyclohexane, methyl tertiary butyl ether, potassium carbonate, ferric chloride, potassium nitrate; Linsuansanna; zinc oxide; sodium nitrite; antimony oxide; Tartrate; OP-10; TX-10; tablets base; AES; sodium benzoate, sodium citrate; partial sodium silicate, sodium perborate, a sodium carbonate, sodium benzene; Asia sodium chlorate; Wuluo Care products; urea; hydrochloric acid, sulfuric acid, lactic acid; amino acid, hydrogen peroxide, ammonium bicarbonate

公司宗旨：&平等互利，信誉至上，团结合作，友谊长久&乙二胺；二乙胺；三乙胺；二乙烯三胺；三乙烯二胺；三乙烯四胺；四乙烯五胺；五乙烯六胺；己内酰胺；二甲基甲酰胺；烯丙基胺；N，N二甲基苯胺；正丙胺；正丁胺；正辛胺；三聚氰胺；1，2丙二胺；一乙醇胺；二乙醇胺；三乙醇胺；碘化钾；氢氧化钾；高锰酸钾；甲苯；二甲苯；对氯甲苯；丙酮；丁酮；乙酰丙酮；醋酸乙酯；醋酸丁酯；Y-丁内酯；碳酸二甲酯；乙酰乙酸甲酯；三伏乙酰乙酸；三伏乙酰乙酸乙酯；甲醇；无水乙醇；异丙醇；丙二醇；丙三醇；丙炔醇；1.3丙二醇；木糖醇；冰醋酸；己醛酸；巯基乙酸；异辛酸；己二酸；三氟乙酸；乙二酸；对氨基苯乙酸；邻氯苦杏仁酸；DL-扁桃酸；无水哌嗪；六无哌嗪；糠醛；蓖麻油；乙二醛；戊二醛；多聚甲醛；异丙醚；苯甲醚；四氢吡咯；纯吡啶；1.2二氯乙烷；二氯甲烷；三氯甲烷；四氯化碳；水合肼；壬基酚；纯间甲酚；硒酚；苯酚；对叔丁基苯酚；钛白粉；铁粉；全糖粉；双酚A；偶氮二异丁腈；叠氮化钠；碳酸钠；氯化钠；三氧化二铁；氯化亚铜；氯化亚砜；D4；碳酸氢钠；氨水；氯化钾；无水亚硫酸钠；过硫酸铵；乙二醇丁醚；乙二醇乙醚；氯化钙；环己酮；环己烷；甲基叔丁基醚；碳酸钾；三氯化铁；硝酸钾；磷酸三钠；氧化锌；亚硝酸钠；氧化锑；酒石酸；OP-10；TX-10；粒碱；AES；苯甲酸钠；柠檬酸钠；偏硅酸钠；过硼酸钠；过碳酸钠；苯磺酸钠；亚氯酸钠；乌洛托品；尿素；盐酸；硫酸；乳酸；氨基磺酸；双氧水；碳酸氢铵

Accelerated solvent extraction and Soxhlet extraction were used to extract capparis spinosa seed oil with he-xane and ethyl ether.

采用加速溶剂萃取及索氏提取法，用正己烷和乙醚为提取剂从野西瓜种子中提取油脂，经浓H2SO4催化，甲醇甲酯化处理后，以气相色谱-质谱联用技术鉴定出野西瓜种子中的脂肪酸主要组成为：油酸、亚油酸、硬脂酸等，其中不饱和脂肪酸总量占91.4%，主要成分油酸占73.3%。

The ether extracting technology of carya kernel oil was experimentally studied in this work.

对乙醚浸提法提取山核桃油的工艺条件进行了试验。

The ether extracting technology of carya kernel Oi1 was experimentally studied in this work.

对乙醚浸提法提取山核桃油的工艺条件进行了试验。

Results: Sixty-one constituents were firstly isolated and identified from the fruits of 3 species of Chaenomeles. Forty compounds in Chaenomeles lagenaria, thirty-four compounds in Xuan mugua (C.lagenaria from Xuanzhou) and 23 compounds in C.sinensis were isolated and identified respectively.

结果：从3种木瓜的乙醚提取部位中首次分离与鉴定出61个化合物，其中皱皮木瓜 40个化合物，宣木瓜(C.lagenaria 产自安徽宣州) 34个化合物，光皮木瓜 23个化合物。

METHODS Neonatal HIBD models were made according Rice method, new-born rabbits wereanesthetized by aether inspiration, and their right common carotid arteries were ligated.Experimental animals were put into the hypoxic champer (8%FIO2) for two and anhalf hours. Control groups included five ligated animal which didnt undergo hypoxicmanagement.

实验方法按照Rice法制备新生兔缺氧缺血性脑损伤模型，即用乙醚吸入麻醉动物，5％盐酸利多卡因局部浸润麻醉，颈部正中切口，剥离右侧颈总动脉和迷走神经，用2号缝线将剥离出的右侧颈总动脉作永久结扎。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。