1、

A new method of synthesis of Vanillin from 2 methoxy 4 methyl phenol was studied.

研究了4甲基愈创木酚一步氧化法合成香兰素的新工艺.

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2、

With methyl methacrylate the particle diameter increases linearly with conversion indicating particle aggregation.

采用甲基丙烯酸甲酯时,粒子直径随转化率呈直线增大,这就表明粒子发生了聚集.

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3、

In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration.

在苯或乙酸乙酯溶液中其衰减速度随甲基丙烯酸甲脂浓度呈直线地增大.

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4、

How long is acetic acid methyl progesterone movie menstruated for by?

醋酸甲基孕酮片吃多久来月经?

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5、

Allene is an isomer of methyl acetylene.

丙二烯是甲基乙炔的一种异构体.

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6、

Various overlay mediums , such as agar , starchgel, methyl cellulose and tragacanth are used.

常用的覆盖培养基有:琼脂 、 淀粉凝胶甲基纤维素和黄蓍胶等.

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7、

This study synthesis a metabolite of additive of Olaquindox named methyl-3-quinoxaline-2-carboxylic acid.

本实验研究了喹乙醇饲料添加剂的生物代谢物3-甲基 - 喹啉 -2- 羧酸的制备方法所制备的产品.

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8、

At the range the experiments the yield of methyl glycotate is 59.06 %.

实验所得在研究范围内,过磷酸催化的产品产率高达59.06%.

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9、

Thus the term dialkyl carbonate includes, for example, methyl ethyl carbonate.

因此术语二烷基碳酸酯包括, 例如甲基乙基碳酸酯.

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10、

It'shows that the key step is the synthesis of 4-methyl-dihydro-furan-2 , 3-dione.

研究结果表明关键步骤为原料 4- 甲基 -2, 3- 呋喃二酮的合成.

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11、

The application, downstream products synthesis and development of di-methyl carbonate are reviewed.

综述了碳酸二甲酯应用及其下游产品的合成和开发.

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12、

Organic cyanide, like methyl cyanide, propylene nitrile, Ding Jing and so on.

有机氰化物, 如乙腈 、 丙烯腈 、 正丁腈等.

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13、

The writer analyzed the and disadvantage on phasing-out methyl bromide in China.

本文分析了我国淘汰甲基溴的利弊.

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14、

Methanol. Methyl alcohol Carbinol. Wood alcohol. Wood spirit . Methyl hydroxide.

甲醇. 木醇. 木酒精. 甲基氢氧化物.

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15、

There are some most people used like prednisone, methyl-prednisone, intravenously or oral.

有些人使用强的松, 甲基强的松龙, 静脉注射或者口服.

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16、

Synthesis of 2-hydroxy-4-methyl benzoic acid

2-羟基-4-甲基苯甲酸的合成

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17、

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。

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18、

Liquid Phase Oxidation of o Xylene by Air to o Methyl Benzoic Acid

邻二甲苯空气液相氧化制取邻甲基苯甲酸

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19、

The reaction was intermittent. The yield per pass of o methyl benzoic acid is up to 47% with a total yield of up to 62 36%.

试验为kg级工业模拟中试试验,反应为间歇式反应,原料邻二甲苯一次投料量为4.2kg,目的产物为邻甲基苯甲酸,单程收率可达47%,总收率可达62.36%。

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20、

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。

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