快好知 kuaihz


diethyl ether造句
1. Diethyl ether was used as extractor solvent. 2. The rice is washed by diethyl ether before coating vegetable oil. The solvent, dosage of oil and dosage of sample were selected by orthogonal design. 3. Results To determine the Oridonin extracted from diethyl ether of plasma by RP-HPLC method, the retention time was stable, the linear curve fitted well, and the results were accurate and reliable. 4. Diethyl ether and acetone extracts of Xanthium sibiricum (the whole, not including fruit) and these two kinds of extracts of leaf had strong fungistasis. 5. Lccal anesthesia, nerve block, Diethyl ether anesthesia and intravenously balanced anesthesia with ketamine should be considered first. 6. Through extractive separation with diethyl ether, the method has been applied to the determination of Fe in tap water, the relative error is 4.3%, the rate of recovery is 95.5-107.7%. 7. First, 1,4-diphenyibutane can be obtained by bromobenzene and 1,4-diphenylbutane at the present of natrium and diethyl ether A. 8. The cultural fruiting bodies of the Gymnopilus spectabilis were phytochemical investigated using layer extracts with petroleum ether, diethyl ether, methanol and water and silica gel chromatography. 9. White powder or granule. The density is 1. 24. Soluble in CS2, benzene, chloroform, alcohol, diethyl ether , insoluble in water and lower concentration alkali. Stability storage. 10. The two-phase nitration ofp-cresol by aqueous sulphuric acid, potassium nitrate and diethyl ether has been studied, yield as high as 83% 2-nitro-p-cresol. 11. No osmyl and no taste. Soluble in Benzene, Acetone, C2H4Cl2, CS2, toluene, party soluble in alcohol, diethyl ether, insoluble in water, gasoline. 12. Fat in male and female squillid meat and squillid heads was extracted with diethyl ether by means of rapid fat extractor instead of Soxhlet extractor respectively. 13. Ethylene oxide(EO) tetrahydrofuran(THF)copolyether reacted with 2,4 toluene diisocyanate, and inert oligomeric cyclic ether(OCE) was extracted with diethyl ether. 14. Vapor - phase synthesis of N, N - diethyl aniline via diethyl ether over Al _ 2 O _ 3 was studied. 15. Properties Light yellow powders, atoxic, insoluble in water, soluble in alcohol and diethyl ether, etc... 16. The deicing fluid is ethylene alcohol or ethyl ether or ethylene glycol monobutyl ether or ethylene glycol diethyl ether or glyceryl alcohol or triethanolamine.