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单词 Ethyl
例句
1 It is sold to Ethyl to market in an arrangement in which Ethyl provides oceangoing tankers for both companies.
2 To increase its market share, Ethyl has been trading companies.
3 Ethyl Corp. says it reduces smog and presents no threat to cars or public health.
4 The organic solvent is absolute ethyl alcohol.
5 Potassium dihydrogen phosphate was used as catalyst in the synthesis of hexanoic acid 2-(diethylamino)ethyl ester.
6 The ethyl ester of conjugated linoleic acid(CLA)was synthesized with ethyl ester of safflower oil as raw material and with kalium alcoholate(KOCH2CH3)as catalyzer.
7 Under optimized conditions, the concentration of ethyl acetate in Chinese spirits was determined.
8 In addition, acetaldehyde, ethyl acetate, ethyl caproate, ethyl valerate, ethyl lactate and some other unidentified compositions were also detected.
9 Among those, 2,4-Decadienal, Hexadecanoic acid ethyl ester and Hexadecanoic acid methyl ester were found from the oil in Ziziphus jujuba Mill.
10 Divinyl benzene(DVB) was more effective than ethyl glycol dimethyl methacrylate(EGDMA) to make polymer crosslinked.
11 Ethyl tert-butyl ether(ETBE)was fund that a new rapidly dissolving agent yet of cholesterol gallstones in the recent years.
12 Keto-enol tautomerizing of ethyl acetoacetate was studied by UV. It was conformed that the content of enol ethyl acetoacetate decreased with the increasing polarity of solvents.
13 The massive petty crime is implements under the ethyl alcohol function, this by no means coincidence.
14 Objective To study the chemical constituents of ethyl acetate extract in the roots of Actinidia deliciosa C.
15 Conclusion: The natural Harvest clarifier can substitute ethyl alcohol in the procedure of removing the impurity.
16 The invention relates to application of ethyl oleate in the prevention and control of bursaphelenchus xylophilus.
17 Using Novozym 435 as catalyst, transesterification of ethyl ferulate(EF)with triolein(TO)to form ferulyl oleins in solvent-free medium was investigated.
18 Distillation liberated the spirits from fermented grains and fruit juices, and in time ethyl alcohol was purified.
19 Methods: acid react with methyl alcohol and alcohol to synthesize methyl ester and ethyl ester compounds.
20 The main components in ethanol-extracts are psoralen, hexadecanoic acid , hexadecanoic acid ethyl ester, bergapten, oleic acid and linoleic acid.
21 This study optimized the conditions of yielding ester for ethyl caproate producing starter by orthogonal experiments.
22 The scavenging agent for scavenging the chewing gum residual consists of carbon disulfide, methylene dichloride, ethyl acetate, span-80, cyclohexanone, sodium dodecyl benzene sulfonate and water.
23 Gasoline, diesel oil, LPG, oil of softening jute, formaldehyde, hexamine, ethyl formate and other chemical reagents.
24 This paper introduces the structures, Properties and applications in meat products of maltol and ethyl maltol .
25 Majority of characteristic flover compounds could be produced by yeast, except enanthol, methyl oleate, methyl dodecanoate and ethyl laurate.
26 This solution is then treated with either methylene chloride or ethyl acetate, which bonds with the caffeine.
27 The precipitate was vacuum dehydrated, and then phospholipids were extracted with ethyl ether. having 74. 90% of the phospholipids; its productivity is 30. 87%.
28 The boiling curve hysteresis phenomena from thin particle porous layers in a vacum state are experimentally researched, using Ethyl alcohol as test liquid.
29 Preferred copolymers are copolymers of aniline with 3-aminobenzoic acid, 2- aminobenzoic acid and ethyl 3-aminobenzoate.
30 ) - tetradecanoyltaurate ( SPTT ) was synthesized through Williamson etherification, hydrolysis, and acylation, using ethyl 2 - bromomyristate, phenol and taurine as the starting materials.
31 A linear sweep stripping voltammetry method for determination of ethyl vanillin in food samples was developed.
32 The synthesis methods of azo copper complex reactive dyes were studied, especiallycontaining the ethyl sulfate groups.
33 Ethanol and tert-amyl alcohol were employed to synthesize tert-amyl ethyl ether in the liquid phase at atmospheric pressure. The strong acid cation exchange resin, NKC-29, was used as catalyst.
34 Among them, alcohol, 2- acetone, ethyl acetate, ethanoic acid, 3- methyl -1- butylacohol, 3- hydroxyl -2- methyl ethyl ketone made up the main volatile constituent fermentation sausage.
35 Solid lipid nanoparticles aqueous dispersion loaded ethyl acetate extract of Tripterygium wilfordii Hook.
36 The reasons of the turbidity produced in production or in shelf period were analyzed. The turbidity was induced mainly by inorganic salt in seriflux and the ethyl fatty acid in brut liquor.
37 A method for determination of residual ethyl acetate in tiamulin fumarate was established.
38 The reaction of fluoroalkyl iodides with ethyl vinyl ether and amines in the presence of sodium dithionite was studied.
39 The main constitution of the coating silica sol sodium silicate ethyl - silicate silica sol, sodium silicate, ethyl - silicate.
40 Testing the bioactivity of the different extracts proceedingly, ethyl acetate extract had higher antifeeding activity.
41 Ingredients: Deionized Water, Glycerin, Butanediol, Aloe Extract, HA, Allantoin, Phenoxyethanol, Ethyl Ascorbic Acid, PEG-40 Hydrogenated Castor Oil, EDTA-Disodium Salt, Essence.
42 Agglomeration can be avoided by washing the precipitation with absolute ethyl alcohol.
43 The result revealed that deblocking temperature was low when blocked by methyl ethyl ketoxime.
44 For instance, the main body flavoring components in Fen-flavor liquors were ethyl acetate and ethyl lactate but just slight content of ethyl caproate.
45 Nefedipine was synthesized with m - Nitrobenzaldehyde, ethyl acetoacetate ammonium acetate.
46 This strongly confirms the relation of ethyl alcohol per se to increased risk.
47 The Synthesis of ethyl sorbate and it's applications in food industry, animal husbandry and agriculture are introduced.
48 The contents of vanillin and ethyl maltol in food are determined by RP - HPLC in this paper.
49 An intermediate of bone resorption inhibitor risedronate sodium, 3 pyridine acetic acid hydrochloride, was synthesized from ethyl nicotinate via reduction, chlorination, cyanation and hydrolysis.
50 The synthesis of ethyl methyl carbonate(MEC) using the transesterification of ethanol and dimethyl carbonate(DMC) catalyzed by K 2CO 3 under certain temperature was studied.
51 Conclusion There is the best ratio different matching of and Frankincense Myrrh resisting gastric ulcer in mice induced by absolute ethyl alcohol.
52 Caproic acid bacteria is closely related to the formation of caproic acid and ethyl caproate in Luzhou-flavor liquor.
53 Thus the term dialkyl carbonate includes, for example, methyl ethyl carbonate.
54 A method was developed to separate and determine paraoxon, methyl parathion, ethyl parathion and fenitrothion by micellar electrokinetic capillary electrophoresis with electrochemical detection.
55 Object To establish a HPLC method for determination of ethyl p hydroxybenzoate in Dragon's Blood.
56 The change of the colloidal silicate in heating and its action on permeable cermet have been investigated and compared with the ethyl silicate binder.
57 Quaternary ammonium salt of chitosan was synthesized starting from chitosan(), triethylamine and ethyl chloroacetate by ester exchange reaction.
58 The distribution coefficient D indicated: Ethyl acetate was the most suitable extractant for CGA s purification.
59 Ethyl cinnamate was synthesized by esterification of cinnamic acid with ethanol in the presence of stannic chloride pentahydrate catalyst.
60 Ethyl lactate is partly miscible with water and most organic solvents.
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-(2, 4-dimethylphenyl) 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 love and 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.
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).
95 As per our clients overseas, we are looking for suppliers of below products. Ethyl malonyl chloride CAS NO:36239-09-5 Di tert butyl malonate CAS NO:541-16-2 Pls contact us for more details.
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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