No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、、、硫化碳、氯乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷和碳粉制备铝钛碳晶粒细化剂的新方法。

Tetrachloroethane in air was collected by activated carbon,desorped with carbon disulfide,separated by GDX-103 chromatography column,and detected by flame ionization detector.

空气中四氯乙烷用活性炭管采集,硫化碳解吸,经GDX-103色谱柱分离,氢火焰离子化检测器检测。

The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.

以氯乙烷与植物油脂肪酸等为原料,通过氨解、酯化、羟基化缩合反应制得氨基酸类咪唑啉型两性表面活性剂。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用与过量的氯乙烷及氢氧化钠反应,以为稀释剂,用一步法成功地合成了乙基。

The proposed method was applied to extracting pure spectra and determining background of a two component system which consists of dichloroethane and propanone, satisfactory results were obtained.

本方法用于氯乙烷及丙酮中各组分红外光谱的提取，获得了满意的结果。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、苯、甲苯、碳、氯乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷和碳粉制备铝钛碳晶粒细剂的新方法。

Tetrachloroethane in air was collected by activated carbon,desorped with carbon disulfide,separated by GDX-103 chromatography column,and detected by flame ionization detector.

空气中四氯乙烷用活性炭管,碳解吸,经GDX-103色谱柱分离,氢火焰离子检测器检测。

The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.

以氯乙烷与植物油脂肪酸等为原料,通过氨解、酯、羟甲基缩合反应制得氨基酸类咪唑啉型两性表面活性剂。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

用纤维素与过量的氯乙烷及氢氧钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。

The proposed method was applied to extracting pure spectra and determining background of a two component system which consists of dichloroethane and propanone, satisfactory results were obtained.

本方法用于氯乙烷及丙酮中各组分红外光谱的提取，获得了满意的结果。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、苯、甲苯、硫化、烷，微溶于醇和醚，不易溶于水和汽油。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用锭、氟酸钾、粉、六烷和粉制备晶粒细化剂的新方法。

Tetrachloroethane in air was collected by activated carbon,desorped with carbon disulfide,separated by GDX-103 chromatography column,and detected by flame ionization detector.

空气中四烷用活性炭管采集,硫化解吸,经GDX-103色谱柱分离,氢火焰离子化检测器检测。

The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.

以烷与植物油脂肪酸等为原料,通过氨解、酯化、羟甲基化缩合反应制得氨基酸类咪唑啉型两性表面活性剂。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用纤维素与过量的烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了基纤维素。

The proposed method was applied to extracting pure spectra and determining background of a two component system which consists of dichloroethane and propanone, satisfactory results were obtained.

本方法用于烷及丙酮中各组分红外光谱的提取，获得了满意的结果。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、苯、苯、硫碳、氯乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出铝锭、氟钛酸钾、铝粉、六氯乙烷和碳粉制备铝钛碳晶粒细剂的新方法。

Tetrachloroethane in air was collected by activated carbon,desorped with carbon disulfide,separated by GDX-103 chromatography column,and detected by flame ionization detector.

空气中四氯乙烷活性炭管采集,硫碳解吸,经GDX-103色谱柱分离,氢火焰离子检测器检测。

The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.

以氯乙烷与植物油脂肪酸等为原料,通过氨解、酯、基缩合反应制得氨基酸类咪唑啉型两性表面活性剂。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采纤维素与过量的氯乙烷及氢氧钠反应,以苯为稀释剂,一步法成功地合成乙基纤维素。

The proposed method was applied to extracting pure spectra and determining background of a two component system which consists of dichloroethane and propanone, satisfactory results were obtained.

本方法于氯乙烷及丙酮中各组分红外光谱的提取，获得满意的结果。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、苯、甲苯、硫化碳、氯乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用、钛酸钾、粉、六氯乙烷和碳粉制备钛碳晶粒细化剂的新方法。

Tetrachloroethane in air was collected by activated carbon,desorped with carbon disulfide,separated by GDX-103 chromatography column,and detected by flame ionization detector.

空气中四氯乙烷用活性炭管采集,硫化碳吸,经GDX-103色谱柱分离,氢火焰离子化检测器检测。

The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.

以氯乙烷与植物油脂肪酸等为原料,通过、化、羟甲基化缩合反应制得基酸类咪唑啉型两性表面活性剂。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用纤维素与过量的氯乙烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。

The proposed method was applied to extracting pure spectra and determining background of a two component system which consists of dichloroethane and propanone, satisfactory results were obtained.

本方法用于氯乙烷及丙酮中各组分红外光谱的提取，获得了满意的结果。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、苯、甲苯、硫化碳、氯乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝、酸钾、铝粉、六氯乙烷和碳粉制备铝碳晶粒细化剂的新方法。

Tetrachloroethane in air was collected by activated carbon,desorped with carbon disulfide,separated by GDX-103 chromatography column,and detected by flame ionization detector.

空气中四氯乙烷用活性炭管采集,硫化碳吸,经GDX-103色谱柱分离,氢火焰离子化检测器检测。

The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.

以氯乙烷与植物油脂肪酸等为原料,通、酯化、羟甲基化缩合反应制得基酸类咪唑啉型两性表面活性剂。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用纤维素与量的氯乙烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。

The proposed method was applied to extracting pure spectra and determining background of a two component system which consists of dichloroethane and propanone, satisfactory results were obtained.

本方法用于氯乙烷及丙酮中各组分红外光谱的提取，获得了满意的结果。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶丙酮、苯、甲苯、硫化碳、氯烷，微溶和醚，不易溶水和汽油。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟钛酸钾、铝粉、六氯烷和碳粉制备铝钛碳晶粒细化剂的新方法。

Tetrachloroethane in air was collected by activated carbon,desorped with carbon disulfide,separated by GDX-103 chromatography column,and detected by flame ionization detector.

空气中四氯烷用活性炭管采集,硫化碳解吸,经GDX-103色谱柱分离,氢火焰离子化检测器检测。

The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.

以氯烷与植物油脂肪酸等为原料,通过氨解、酯化、羟甲基化缩合反应制得氨基酸类咪两性表面活性剂。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用纤维素与过量的氯烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了基纤维素。

The proposed method was applied to extracting pure spectra and determining background of a two component system which consists of dichloroethane and propanone, satisfactory results were obtained.

本方法用氯烷及丙酮中各组分红外光谱的提取，获得了满意的结果。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、苯、甲苯、硫化、乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟酸钾、铝粉、六乙烷和粉制备铝粒细化剂的新方法。

Tetrachloroethane in air was collected by activated carbon,desorped with carbon disulfide,separated by GDX-103 chromatography column,and detected by flame ionization detector.

空气中四乙烷用活性炭管采集,硫化解吸,经GDX-103色谱柱分离,氢火焰离子化检测器检测。

The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.

乙烷与植物油脂肪酸等为原料,通过氨解、酯化、羟甲基化缩合反应制得氨基酸类咪唑啉型两性表面活性剂。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用纤维素与过量的乙烷及氢氧化钠反应,甲苯为稀释剂,用一步法成功地合成了乙基纤维素。

The proposed method was applied to extracting pure spectra and determining background of a two component system which consists of dichloroethane and propanone, satisfactory results were obtained.

本方法用于乙烷及丙酮中各组分红外光谱的提取，获得了满意的结果。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、苯、甲苯、硫化、氯乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟钛酸钾、铝、六氯乙烷和备铝钛晶粒细化剂的新方法。

Tetrachloroethane in air was collected by activated carbon,desorped with carbon disulfide,separated by GDX-103 chromatography column,and detected by flame ionization detector.

空气中四氯乙烷用活性炭管采集,硫化解吸,经GDX-103色谱柱分离,氢火焰离子化检测器检测。

The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.

以氯乙烷油脂肪酸等为原料,通过氨解、酯化、羟甲基化缩合反应得氨基酸类咪唑啉型两性表面活性剂。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用纤维素过量的氯乙烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。

The proposed method was applied to extracting pure spectra and determining background of a two component system which consists of dichloroethane and propanone, satisfactory results were obtained.

本方法用于氯乙烷及丙酮中各组分红外光谱的提取，获得了满意的结果。