1、

The application ofp-toluene sulfonic acid as catalyst for synthesis of carboxylic ester ( ethyl butyrate ) is studied.

研究了对 甲苯 磺酸作为催化剂在羧酸酯 ( 丁酸乙酯 ) 合成中的应用.

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2、

Absorbed by solvent, butanone-toluene mixture was analyzed by gas chromatography ( GC ).

利用溶剂吸收采集丁酮甲苯混合组分,并用气相色谱 ( GC ) 测定.

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3、

In this thesis, the Henry coefficients of DMF, butanone and toluene in DBP were measured.

论文测定了DMF 、 丁酮和甲苯在DBP中的亨利系数.

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4、

The yield of benzyl chloride based on toluene was 92 % under proper conditions.

在适宜条件下,甲苯生成氯化苄的收率可达92%.

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5、

The oil removes the benzole a mixture of benzene, toluene and xylene from the gas stream.

油将除去气流中的粗苯(苯 、 甲苯、二甲苯的混合物).

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6、

Direct oxidation of toluene is a simple and cheap production technology of benzaldehyde.

摘要甲苯直接氧化制备苯甲醛是一条最为简单而经济的生产工艺.

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7、

Direct oxidation of toluene is a simple and clean route for manufacture of benzaldehyde.

简单清洁的甲苯直接氧化法是苯甲醛生产技术的发展方向.

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8、

Using phenylamine and acetic acid as raw materials, cyclohexane and toluene-p-acid as dehydration and catalyst respectively.

以苯胺和冰醋酸为原料, 环己烷为脱水剂,对 甲苯 磺酸为催化剂,采用正交实验法,探讨了乙酰苯胺合成的适宜工艺条件.

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9、

The dissolution of composites by mixing in toluene is compared with that by suspension polymerization.

同时比较共混法与悬浮聚合法制得的复合材料在甲苯中的溶解性.

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10、

Methods of qualitative and quantitative analysis for benzene, toluene, ethyl benzene, dimethyl benzene in blood and urine.

血、尿中的苯 、 甲苯 、 乙苯 、 二甲苯的定性及定量分析方法.

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11、

Refining Experiment of Toluene with Modified Argil in Aromatics Extraction Unit

改性白土用于芳烃抽提装置甲苯的精制试验

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12、

In the test , the toluene content in cyclic ECH was increased step by step.

通过色谱分析,发现回收环氧氯丙烷(ECH)中甲苯含量在逐步升高.

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13、

Isopropyl p-hydroxybenzoate was synthesized with toluene-p-sulfonic acid as catalyst.

以对 甲苯 磺酸为催化剂合成了尼泊金异丙酯.

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14、

And the excess volume of toluene-pyridine was measured with the dilatometer.

并用此膨胀仪测定了甲苯 - 吡啶体系的过量体积.

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15、

Solubility: Soluble in methanol, ethanol. Hardly soluble in toluene, xylene.

溶解度: 溶于甲醇 、 乙醇. 难溶于甲苯 、 二甲苯.

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16、

A environmentally friendly two-component polyurethane adhesive was prepared from polyether polyol, toluene isocyanate and MOCA.

以聚醚多元醇、环氧树脂 、 甲苯二异氰酸酯和MOCA为原料制得了双组分环保型聚氨酯胶粘剂.

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17、

The N-methyl-2-pyrrolidone is chosen as polycondensation media and toluene as carrier of water.

选择N - 甲基 -2- 吡咯烷酮为反应介质,甲苯为带水剂.

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18、

Taking toluene , chlorosulfonic acid and phosphoryl chloride as raw materials, p-toluenesulfonyl was synthesized.

以 甲苯 、 氯磺酸、三氯氧磷为原料, 氯化铵为催化剂合成对甲苯磺酰氯.

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19、

The chemicals formaldehyde, toluene and dibutyl phthalate are used in most nail polishes.

大多数指甲油当中都含有化学物质甲醛 、 甲苯、和邻苯二甲酸二丁酯.

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20、

This paper presents a new method of regenerating activated carbon with toluene by microwave radiation.

本文提出了一种运用微波辐照再生吸附有甲苯废气活性炭的新再生方法.

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