ethyl造句
91 The title protective coatings is prepared based on ethyl metasilicate and methyl trimethoxy silane as raw materials, which are then hydrolyzed in alcohols at the presence of acid catalyst.
92 The synthesis of ethyl cellulose was studied by one-step method, with toluene as diluent and orthogonal test was adopted.
93 Determination of rate constant of ethyl acetate saponification reaction using the conductivity method is an important experiment of physical and chemical dynamics.
94 Ethyl acetate content and ethyl caproate content in the liquor were evidently high(The two substance showed parallel quantity relative ratio relation).
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96 The lead free silver conducting pastes were prepared by using silver powder, lead free low-melting glass and terpineol ethyl cellulose solution.
97 METHODS Bropirimine was synthesized by 3 steps reaction of acylation, cyclization and bromination with ethyl acetoacetate as staring material.
98 BC-DH2004 catalyst was used in dehydrogenation of sec-butyl alcohol(SBA)to prepare methyl ethyl ketone(MEK).
99 Results Those samples ingredients easy to volatilize were mainly toluene, butanone, gasoline, ethyl acetate, acetone, etc. All of them were rated as low toxic for their acute toxicity.
100 The separation of azeotrope of methyl ethyl ketone water has been investigated by extractive distillation using the mixture of ethylene glycol and potassium acetate as an extractant.
101 A liquid containing iodine dissolved in ethyl alcohol, used as an antiseptic for wounds.
102 To introduce the ethyl group into ( a compound ).
103 Other ingredients:Gelatin, Glycerin, Soybean Oil, White Thyme Oil, Clove Oil and Ethyl Vanillin.
104 The cyclization reactions of carbodiimide 14 with chiral amide ethyl ester was firstly studied. The results showed that the carbodiimide 14 reacted quickly with amide ethyl ester at room temperature.
105 Radix Ginseng, Fructus Capsici , Radix Salviae Miltiorrhizae , Radix Astragali, Rhizoma Chuanxiong, Ethyl Alcohol, Aqua.
106 Copolymerization products were fractionated by successive solvents extraction with boiling methyl ethyl ketone (MEK) and boiling tetrahydrofuran (THF).
107 Optically active ethyl(S)-3-hydroxybutyrate, a useful chiral synthon, was prepared by stereoselective reduction of ethyl acetoacetate of the bread yeast in organic solvent.
108 To use them ethyl orange depigmentation spectrophotometry to detect the iodine in the sauce.
109 Molecules of cyclopentyl alcohol and ethyl alcohol are accommodated in the channel constructed by SL1 and SL2, respectively, thus forming the inclusion compounds.
110 Different concentration of Cnidium monnoeri (L. ) Cuss. extract by water and ethyl alcohol was used to study the effect of the herb on Oncomelania.
111 Catalysts for converting polyalkylaromatics to monoalkylaromatics, particularly cumene and ethyl benzene are disclosed which comprise aY-85 or a modified LZ-210 zeolite.
112 Ethyl 1,3 oxathiolane was synthesized by the reaction of 2 mercaptoethanol and propyl aldehyde in the presence ofp toluene sulfonic acid, with benzene as azeotropic dehydrating agent.
113 The content of ethyl caproate increased slightly with the increase of flowing tube height.
114 Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.
115 A reversed phase high performance liquid chromatographic method for analyzing 4 chloro 2 oxo 3(2H) benzothiazoleacetic ethyl ester (COBTAZAE) as a herbicide is described.Sentence dictionary
116 In this thesis, 2-chloro-5-chloromethyl pyridine is ammoniated, which followed by the reaction with N-cyano ethyl ethylimidoate, finally is methylated to gain the objective product.
117 The new ternary constant boiling material formed by entrainer and the ethyl alcohol and aqua in alcoholic solution might develop alcohol with high purity.
118 Antidote: use ethyl ether to induce mild anaesthesia, or use barbiturate type of medication in venous injection to inhibit epilepsy and use potassium permanganate for stomach lavage.
119 The ethyl acetate and n-butanol extraction were chromatographed on silica gel column, polyamide column, sephadex LH-20 column and preparing TLC, respectively.
120 Methods: Comparing to the ethyl alcohol and natural Harvest clarifier precipitation method.
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