英语翻译Methanol,acetonitrile,and water were of high-performance liquid chromatography (HPLC) grade (Merck,Darmstadt,Germany).求翻译

英语翻译The effect of methanol on the grafting rate was clearly demonstrated by grafting of PEin a mixture of styrene and methanol (Fig 1).By dilution of styrene with methanol theconcentration of styrene inside PE decreases,the viscosity increase 英语翻译determined on a preparation containing sugar in a mixture of methanol and formamide bio-methanol是什么意思 英语翻译Methanol,acetonitrile,and water were of high-performance liquid chromatography (HPLC) grade (Merck,Darmstadt,Germany).求翻译 crude bio-methanol什么意思 英语翻译2.2.4.Sorption experimentsPhysisorption experiments were done on an ASAP 2100 physisorption apparatus to obtain isotherms of N2 adsorption and BET surface areas of the samples.Sorption of water,methanol,benzene,or binary mixtures of the a 英语翻译Mn doped ZnS nanoparticles were prepared by coprecipitation method at room temperature.For 0.02 Mn doped ZnS,at first,50 ml each of both Zinc nitrate solution,manganese nitrate and saturated solution ofsodium sulfide in methanol are prepa 英语翻译The sensing behavior of the nanotube/AAO membrane sensor is compared to that of a planar WO3-film sensor for detecting reducing [methanol (CH3OH)]and oxidizing [nitrogen dioxide (NO2)] gases in air. 英语翻译Methanol's most attractive feature,however,is that it can reduce by about 90 percent the vehicle emissions that form ozone,the most serious urban air pollutant.最只要是分析下句子结构? 英语翻译Several catalysts having activity for the catalytic conversion of methanol into DME are known as the so called acidic dehvdration catalysts．It is generally accepted that acid catalysts are the best materials for the dehydration of metha 英语翻译The equilibrium binding properties of the ungrafted and grafted 2,4-D-MIPs/2,4-D-CPs were first studied in an organic-solvent-rich medium (methanol/water (4:1 v/v)) and in pure water.Both the ungrafted and the grafted MIPs were found to b 英语翻译Preparation（预聚） of tert-butyl-2-carboxy methyl-（甲基）3-(4-bromophenylthio)（镇静剂硫代苯基） propionate（丙酸脂） (6).to a mixture of naome (13.8g,0.255mol) in methanol（甲醇） (300ml) was added a solution 英语翻译在反应瓶中加入2-Hydroxy-3-methoxy-3,3-diphenylpropanoic acid,并加入Methanol和Tosic acid,室温下搅拌0.5小时,然后加热回流,并滴加氢氧化钠溶液适量,滴加完毕后不断搅拌反应1小时.争取反应体系 英语翻译for HPLC was used as reaction medium (J.T.Baker,99.99%)and H2O2 30% w/w (Merck) was used for decomposition tests,while analyses used potassium iodide (Sigma-Aldrich),Hydra-nal-Composite 2 (Fluka),dry methanol for KFT (Fluka),aceticacid (S 英语翻译Ingredients:• 138 gram acetophenone = +/- 1 grammole.• 1000 ml Methanol (+10 % weight Methylaminegas dissolved in it = +/- 100 gram)= +/-3gmol.• 36 gram MgSO4.7H2O,magnesium sulfate (dry at 300 C for 2 Hrs in oven to get 英语翻译General Procedure for the Sulfoxidation.The catalyst precursor2 (6.3 mg,0.02 mmol) was dissolved in [BMIm]PF6 (0.5 mL)and methanol (3.2 mL) in a 20 mL vial.The sulfide (1 mmol) wasthen added followed by hydrogen peroxide (30% in water) (1 英语翻译Detailed Buying Lead Description 20’ FCL Formaldehyde with Denatonium Benzoate Bitrex 1ppm Should be added Formaldehyde 40% V/V Minimum Methanol 7% WT minimum Formic Acid 100 PPM Maximum Water By Balance sp.Gravity 25 Degc 1.10 to 1.105 吸收精馏塔怎么翻译,我现在用的是：Methanol Wash&fractionating Column