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，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.

提出了利铝锭、氟钛酸钾、铝粉、六氯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.

空气中四氯活性炭管采集,硫化碳解吸,经GDX-103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.

采纤维素与过量的氯及氢氧化钠反应,以甲苯为稀释剂,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.

本方法于氯及丙酮中各组分红外光的提取，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，微溶于乙醇乙醚，不易溶于水。

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.

以氯乙烷与植物脂肪酸等为原料,通过氨解、酯化、羟甲基化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氯乙烷及氢氧化钠应,以甲苯为稀释剂,用一步法成功地成了乙基纤维素。

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、、、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.

以氯乙烷植物油脂肪酸等为原料,通氨解、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.

采用纤维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纤维。

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.

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、羟缩合反应制得氨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钠反应,以苯为稀释剂,用一步法成功地合成乙纤维素。

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，微溶于乙醇乙醚，不易溶于水。

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.

以氯乙烷与植物脂肪酸等为原料,通过氨解、酯化、羟甲基化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氯乙烷及氢氧化钠应,以甲苯为稀释剂,用一步法成功地成了乙基纤维素。

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，微溶于醇醚，不易溶于水汽。

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.

以氯与植物酸等为原料,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氯及氢氧化钠反应,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.

本方法用于氯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、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、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、六氯乙烷和粉制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采集,硫化,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、酯化、羟甲基化缩合反应制得氨基酸类咪唑啉型两表面活剂。

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、、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.

提出了利铝锭、氟钛酸钾、铝粉、六氯乙烷和粉制备铝钛晶粒细的新方法。

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集,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。

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

纤维素与过量的氯乙烷及氢氧钠反应,以甲苯为稀释,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、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、化缩合反应制得氨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,以苯为稀释剂,用一步法成功地合成乙纤维素。

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，获得满意的结果。