toluene exposure
甲苯暴露
toluene toxicity
甲苯毒性
toluene inhalation
吸入甲苯
toluene production
甲苯生產
toluene diisocyanate
[化]甲苯二異氰酸酯
The synthesis of feruloylated monoacylglycerol catalyzed by P-Toluene sulfonic acid was investigated.
研究對甲基苯磺酸催化合成阿魏酸單甘油酯的工藝。
By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.
本文報道合成抗潰瘍藥丙谷胺的改進工藝。
A survey of the health condition of 308 cases of workers exposed to benzene, toluene, xylol and mixed derivatives of benzene is presented.
本文報告了308例苯、甲苯、二甲苯及混合苯作業工人的健康狀況調查結果。
Used as a component of solvents in the process of the azeotropism, and could partly replace toluene, xylene and methyl isobutyl ketone (MIBK).
由於它適度的揮發性和良好的皮膚滲透作用,可以用作藥物吸收的促進組分;
Citral was synthesized by catalytical rearrangement of dehydrolinalool in toluene solution with the present of molybdenyl acetylacetonate, benzoic acid and dimethyl sulfoxide (DMSO).
摘要採用脫氫芳樟醇爲原料,在乙酰丙酮酸鉬、苯甲酸、二甲基亞碸(DMSO)的甲苯溶液中催化重排合成檸檬醛,考察了檸檬醛在不同體系中的熱敏性。
No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.
溶於丙酮、苯、甲苯、二硫化碳、二氯乙烷,微溶於乙醇和乙醚,不易溶於水和汽油。
It was found that when the oxidation reaction was performed in toluene solvent, benzyl alcohol was oxidized to benzaldehyde without any overoxidation to benzoic acid;
發現在甲苯溶劑中進行氧化反應時,苯甲醇被氧化成苯甲醛而不會被深度氧化爲苯甲酸;
Toluene diisocyanate (TDI) is one of the most useful kinds of isocyanateth that is produced by the method of phosgenation of amine.
甲苯二異氰酸酯(TDI)是異氰酸酯化合物中應用最廣泛的品種之一,其工業生產主要採用胺光化法。
Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
採用纖維素與過量的氯乙烷及氫氧化鈉反應,以甲苯爲稀釋劑,用一步法成功地合成了乙基纖維素。
Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.
首先,以甲苯和乙酸酐爲原料,在催化劑三氯化鋁存在下合成對甲基苯乙酮,並確定甲苯,乙酸酐和三氯化鋁的最佳摩爾比爲4: 1: 2,收率爲86.2%。
Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.
爲合成新型熱致液晶聚脲,以含液晶基元的聯苯二胺(或聯鄰甲苯胺)、1,6-己二胺、2,4-甲苯二異氰酸酯爲原料進行合成。
The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite,for example, number of exchange times on the benzoylation of toluene were studied.
並考察了<b>HZ</b>-1沸石交換次數等製備條件和催化劑用量對甲苯的苯甲酰化反應的影響。
Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.
主要介紹了四種二氯苯甲醛的合成工藝路線,並比較利弊,闡述了對甲苯磺酰氯氯化水解法的優越性。
The isomer ratio of o-MNT to p-MNT,the degree of dinitration and the ratio of 2,6-DNT to 2,4-DNT have been investigated in the mononitration product of toluene by mixed acid.
通過改變反應條件,研究了硝硫混酸硝化劑對甲苯一段硝化產物的鄰對異構體比例、二硝化程度及2,6-二硝基甲苯與2,4-二硝基甲苯生成比例的影響。
The system condition of chromatography separating 2,6—2,4—2,3— and 3,4—toluenediamine isomer and the test methods verifying purity for toluene-diamine reference materilas were studied by HPLC.
應用高效液相色譜法研究分離2,6—、2,4—、2,3—和3,4—二氨基甲苯異構體的色譜系統條件和檢定二氨基甲苯參考物質純度的試驗方法
toluene exposure
甲苯暴露
toluene toxicity
甲苯毒性
toluene inhalation
吸入甲苯
toluene production
甲苯生產
toluene diisocyanate
[化]甲苯二異氰酸酯
The synthesis of feruloylated monoacylglycerol catalyzed by P-Toluene sulfonic acid was investigated.
研究對甲基苯磺酸催化合成阿魏酸單甘油酯的工藝。
By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.
本文報道合成抗潰瘍藥丙谷胺的改進工藝。
A survey of the health condition of 308 cases of workers exposed to benzene, toluene, xylol and mixed derivatives of benzene is presented.
本文報告了308例苯、甲苯、二甲苯及混合苯作業工人的健康狀況調查結果。
Used as a component of solvents in the process of the azeotropism, and could partly replace toluene, xylene and methyl isobutyl ketone (MIBK).
由於它適度的揮發性和良好的皮膚滲透作用,可以用作藥物吸收的促進組分;
Citral was synthesized by catalytical rearrangement of dehydrolinalool in toluene solution with the present of molybdenyl acetylacetonate, benzoic acid and dimethyl sulfoxide (DMSO).
摘要採用脫氫芳樟醇爲原料,在乙酰丙酮酸鉬、苯甲酸、二甲基亞碸(DMSO)的甲苯溶液中催化重排合成檸檬醛,考察了檸檬醛在不同體系中的熱敏性。
No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.
溶於丙酮、苯、甲苯、二硫化碳、二氯乙烷,微溶於乙醇和乙醚,不易溶於水和汽油。
It was found that when the oxidation reaction was performed in toluene solvent, benzyl alcohol was oxidized to benzaldehyde without any overoxidation to benzoic acid;
發現在甲苯溶劑中進行氧化反應時,苯甲醇被氧化成苯甲醛而不會被深度氧化爲苯甲酸;
Toluene diisocyanate (TDI) is one of the most useful kinds of isocyanateth that is produced by the method of phosgenation of amine.
甲苯二異氰酸酯(TDI)是異氰酸酯化合物中應用最廣泛的品種之一,其工業生產主要採用胺光化法。
Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
採用纖維素與過量的氯乙烷及氫氧化鈉反應,以甲苯爲稀釋劑,用一步法成功地合成了乙基纖維素。
Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.
首先,以甲苯和乙酸酐爲原料,在催化劑三氯化鋁存在下合成對甲基苯乙酮,並確定甲苯,乙酸酐和三氯化鋁的最佳摩爾比爲4: 1: 2,收率爲86.2%。
Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.
爲合成新型熱致液晶聚脲,以含液晶基元的聯苯二胺(或聯鄰甲苯胺)、1,6-己二胺、2,4-甲苯二異氰酸酯爲原料進行合成。
The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite,for example, number of exchange times on the benzoylation of toluene were studied.
並考察了<b>HZ</b>-1沸石交換次數等製備條件和催化劑用量對甲苯的苯甲酰化反應的影響。
Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.
主要介紹了四種二氯苯甲醛的合成工藝路線,並比較利弊,闡述了對甲苯磺酰氯氯化水解法的優越性。
The isomer ratio of o-MNT to p-MNT,the degree of dinitration and the ratio of 2,6-DNT to 2,4-DNT have been investigated in the mononitration product of toluene by mixed acid.
通過改變反應條件,研究了硝硫混酸硝化劑對甲苯一段硝化產物的鄰對異構體比例、二硝化程度及2,6-二硝基甲苯與2,4-二硝基甲苯生成比例的影響。
The system condition of chromatography separating 2,6—2,4—2,3— and 3,4—toluenediamine isomer and the test methods verifying purity for toluene-diamine reference materilas were studied by HPLC.
應用高效液相色譜法研究分離2,6—、2,4—、2,3—和3,4—二氨基甲苯異構體的色譜系統條件和檢定二氨基甲苯參考物質純度的試驗方法
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