methyl的例句大全

DMF in waste water and gas was determined with separation by capillary column and FID detection. Recovery of Methyl Cyanide and DMF from Pharmaceutical Effluent

以气相色谱石英毛细管柱分离、FID检测，测定废水和废气中N′，N－二甲基甲酰胺（DMF）。制药废液中回收乙腈与DMF

With the MRL standard of EEC in 2000, the level of pesticide residues from trichloro alcohol, amyl-cyanide pyrethrum, cyanogen chloride pyrethrum and methyl-cyanide pyrethrum are analysed, and the countermeasures are put forward also.

以欧盟2000年执行的MRL标准为评判依据，对三氯杀螨醇、氰戊菊酯、氯氰菊酯、甲氰菊酯等农药残留水平进行了统计分析，并提出了相应的对策。

The effect of illumination of ozonic and no-ozonic ultraviolet bactericidal lamp was studied on the decolorization rate of methyl orange dye solution.

以产生臭氧和不产生臭氧两种紫外线杀菌灯为光源，以甲基橙染料为对象，染料脱色率为指标，研究了两种光源对甲基橙的脱色作用。

Effect of Two Kind of Ultraviolet Bactericidal Lamp Illumination on Decolorization of Methyl Orange

两种紫外线杀菌灯对甲基橙染料的脱色作用

The experiment results show that the decolorization efficiency of methyl orange dye solution was 79.1% and 7.9% respectively under ozonic and no-ozonic ultraviolet bactericidal lamp illumination when treating time was 3 hours.

结果表明：甲基橙在产生臭氧和不产生臭氧两种光源照射下脱色率不同，光照3h后甲基橙脱色率分别为79.1%和7.9%。

Simultaneous Determination of Benzene and Methyl Benzene by Artificial Neural Networks Ultraviolet Spectrophotometry

人工神经网络紫外分光光度法同时测定苯和甲苯

The qualified rate of wood dust concentration was 58.4%, while methyl benzene was 84.5% and noise intensity was 68.5%.

木尘和甲苯的浓度及噪声强度的合格率分别为58.4%、84.5%和68.5%；

Improvement on p-methyl benzene sulfonic chloride production process

对甲基苯磺酰氯生产工艺的改进

The decomposition reaction was carried out using methyl benzene as solvent with reaction time of 1 h.

采用甲苯溶剂法分批加料进行分解反应，反应时间1h；

The depressant was produced by using acrylic alkyl ester and vinyl acetate as raw materials, methyl benzene as solvents, azobisisobutyronitrile as initiator by constant temperature polymerization.

AV柴油降凝剂，是以丙烯酸酯、醋酸乙烯酯为原料，以甲苯为溶剂，以偶氮二异丁腈为引发剂，恒温聚合制得。

Conclusion: The property of resin is good when the brine's concentration is30%, the degree of crosslinking is14%, methyl benzene as diluent is0.1.

结论：盐溶液浓度约为30%，交联刺14%，致孔剂甲苯为单体的0.1倍时，所得树脂性能良好。

, and the pyrolytic products of WPS were benzene, methyl benzene, styrene and ethyl benzene which were identified by GC. Methylbenzene was used as the internal stand.

通过气相色谱分析可知，裂解产物为苯、甲苯、苯乙烯和乙苯。

The methods of using adding medium and vacuum rectification to get rid of the impurity associated with methyl benzoate are introduced.

介绍用加介质减压精馏方法除掉与苯甲酸甲酯（BE）伴生的杂质。

Improvement of the synthetic process of medical intermediate of 3,4-dihydroxy-5-methoxy methyl benzoate

医药中间体3,4-二羟基-5-甲氧基苯甲酸甲酯的合成工艺改进

Study on Catalyst for Hydrogenation of Methyl Benzoate to Benzaldehyde at Low H_2/ Ester Molar Ratio

低氢酯比下苯甲酸甲酯加氢催化剂的研究

Effect of Potassium on the MnO_x/ γ-Al_2O_3 Catalysts for Hydrogenation of Methyl Benzoate

钾对苯甲酸甲酯加氢催化剂MnO x/γ-Al2O3的修饰作用

Phenyl benzyl ketone oxime was prepared from phenylacetonitrile, methyl benzoate and hydroxylamine hydrochloride.

以苯乙腈、苯甲酸甲酯和盐酸羟胺为原料，制备了苯基苄基甲酮肟。

The direct hydrogenation of benzoic acid or methyl benzoate to benzaldehyde was a more preferable method for the synthesis of benzaldehyde from the view point of green technology.

而利用羧酸（或酯）可以直接一步加氢合成对应的醛，从绿色工艺来说具有较大优势。

A large number of metal oxides, including alkali earth oxides, transition metal oxides and rare earth oxides, had been suggested for using as catalysts for the selective hydrogenation of benzoic acid and methyl benzoate.

很多的科研工作者研究了一系列金属氧化物包括：碱性氧化物、过渡金属氧化物和稀土金属氧化物作为催化剂用于苯甲酸（或酯）加氢反应。

Synthesis of 2-hydroxy-4-methyl benzoic acid

2-羟基-4-甲基苯甲酸的合成