ethyl造句
61 Methods Saccharide content was determined by anthracene ethyl ketone method; amino acid content was estimated by indene tri—ketone colorimetric method.
62 After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.
63 The ethanol extract from the twig bark powder of Periploca sepium was suspended in water and successively treated with petroleum ether, ethyl acetate and n-butanol.
64 Four systems:kerosene water, kerosene 15%glycerol, machinery oil water, 2 ethyl hexanol water are used in this work.
65 Methods: It takes Benzoyl chloride and Ethyl acetoacetate as its initial raw materials. It is made by two steps of acylation and hydrolysis.
66 The text take about ethyl pyruvate was synthesized by adding to a suitable catalyst with pyruvic acid and absolute ethanol.
67 Ethyl lactate is one kind of comestible synthetic spicery . It is also one kind of good solvent.
68 The ethyl groups replace oxygen in the silicate ion chains, creating a solid but crumbly silicone polymer.
69 Put into operation, the system is stable, safe and reliable, increased the yield and quality of ethyl methyl carbonate.
70 Several synthesis methods of chloromethyl ethyl ether were compared. A new method for the synthesis of chloromethyl ethyl ether from phosphorus trichloride was developed.
71 Ethyl chloroformate reacted with both the hydroxy group and the carboxy group of the 17 position.
72 Objective To investigate the influence of Ethyl pyruvate(EP) on the level of high mobility group box 1 (HMGB1) in brain injury of infant rats induced by lipopolysaccharide (LPS) and its significance.
73 ANDROSTANE with Methyl Block and Ethyl Ester will give you the results you expect from a company with our history and a name like Masterdrol.
74 In aminating reaction of ethyl N- formimidate some reagents are first used as catalyst and a better one is sifted out from many catalysts.
75 The polymers were characterized by IR, 1H NMR spectroscopy and DSC. The compatibilities of poly(2 ethyl 2 oxazoline) with some thermoplastic and copolymers are examined.
76 Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.
77 ConclusionThere is good cytotoxicity of the ethyl acetate and acetone extracts from Alocasia macrorrhiza to tumor cells, and no obvious acute toxicity has been observed.
78 Both vanillin and ethyl maltol have absorption at UV range, and their absorption spectra are seriously overlapping.
79 Objective To observe the effect of different matching of Frankincense and Myrrh on resisting gastric ulcer in mice induced by absolute ethyl alcohol.
80 The propanedinitrile is synthesised from ethyl cyanoacetate by amination and elimination reaction.
81 According to Pfizer, the questionable batches of Viracept contained an unusually high level of the compound ethyl methanesulfonate, or EMS, a suspected human carcinogen.
82 Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.
83 Reduces the poisonous live vaccine to use the upper arm flank deltoid muscle adheres to stick cohere place the skin after 75% ethyl alcohol disinfection the hypodermic injection 1.
84 Objective:To investigate the effects of the ethyl acetate extract of Semen Hoveniae capsule on liver microsomal cytochrome P450 system in rats.
85 METHODS Pyrogallol autoxidation system was used to study the antioxidative activity of CLA and Conjugated linoleic acid ethyl ester(CLAEE).
85 Wish you will loveand make progress everyday!
86 The essential oil was obtained from the fresh aerial parts of coriander (coriandrum sativum L) by Soxhlet's extraction in 0.252% yield with ethyl ether as extraction solvent.
87 Ethyl demethylaminothiazolyloximate is one of the important medical intermediates, which forms side chains of semisynthetic cephalosporins.
88 The trickle bed reactor was used to investigate ethyl nitrite ( EN ) regenerationreaction.
89 Ethyl cellulose was synthesized successfully in one-step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
90 The application result showed that the recovery rates of methyl ethyl ketone and toluene were higher than 95% attributed to the advanced technique design and the good adsorption materials adopted.
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