1.Its ether extract contains Isopsoralen and Bergapten.
香豆素类应为五指毛桃的有效部位之一。
2.He lost consciousness at the first whiff of ether.
他一嗅到乙醚便失去了知觉。
3.In this paper, the cedrol methyl ether was synthesized by sodamide method.
本文采用氨基钠法合成甲基柏木醚。
4.In this thesis, the reaction of aldehydes with dimethyl -- dichlorosilane producingdimethylsilyl bis -- enol ethers has been studied.
本文对醛和二甲基二氯硅烷反应合成二甲硅基双烯醇醚进行了研究。
5.Behaviors of armeen,tertiary amine,poly-amide and ether amide in floatation of kaolinite,pyrauxite and illite are studied.
研究了脂、叔、多和醚四种药剂对高岭石、叶腊石、伊利石的浮选行为,结果表明力顺序为多>叔>醚>脂>。
6.No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.
溶于丙酮、苯、甲苯、二硫化碳、二氯乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。
7.Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋酸和乙二醇单乙醚为原料,活性白土负载磷钨酸作为催化剂,合成了乙二醇单乙醚醋酸酯。
8.One new solvent free impregnating resin based on unsaturated polyester with modified diphenylene ether is prepared.
以改性二苯醚树脂为原料，合成了一种新颖不饱和聚酯型无溶剂浸渍绝缘漆。
9.Structure, mechanics, electricity, calorifics, radialization and chemicalproperties are reviewed for polyperfluoroethylene-propylene and tetrafluoroethylene perfluoroalkyl vinyl ether copolymer.
分别阐述了聚全氟乙丙烯和四氟乙烯全氟代烷基乙烯基醚共聚物的结构和力学热学、辐射、化学性。
10.For polysaccharide synthescs,ring open-ing polymerizatlon of 1,6-,1,4-,1,3-,and 1,2-anhydro sngars,and polycondensation of cya-noethylidene trityl ether sugars are described.
11.The bulk and solution photopolymerization of vinyl butyl ether were studied using diph-enyl-4-thiophenoxyphenyl sulfonium salt (DPTS) as photoinitiator.
以二苯基-4-苯硫基代苯基硫鎓盐(DPTS)为光引发剂,研究了乙烯基正丁醚的本体和溶液光聚合。
12.BMI resin systems modified by allyl methylphenol ether,allyl methylphenol, allyl methol phenol and diallyl bisphenol A, respectly have been studied.
对以烯丙基甲酚醚、烯丙基甲酚、烯丙基甲酚和二烯丙基双酚A改性BMI所得树脂体系进行了研究。
13.The Applications of Arylboronic Acid in biaryl synthesis,synthesis of diaryl ethers,synthesis of aromatic amines and catalytic addition reactions were summarized.
综述了芳基硼酸在联芳基合成、二芳基醚合成、芳香合成和催化加成反应中的应用。
14.In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
15.Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.
采用无水乙醇、乙醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。
16.A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
通过一元羧酸和二乙烯基醚的反应,我们得到了一种新颖的酯缩醛结构分子玻璃。
17.Four new materials,such as carbon suspension,sodium sulfonate of polyoxyethylene allyl glycidyl nonyl phenyl ether,vanillyl alcohol,vanillin,etc,in lead-acid storage batteries were reviewed.
、叔
力顺序为多
