This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

由此表明了在生成RDX酮的反应过程中，硝基脲上比脲更为合适的反应形式。

Hydrochloric acid and chlorous natrium are used as primary reactant to give out the gas of chlorine dioxide.

该装置以盐酸亚氯酸钠为主要反应物,通过反应放化氯气。

Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

以尿素醛为原料,在酸催化的条件下合成了甘脲,产率为61.8%。

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲醛与1,3-丁醇在钒磷催化剂作用下的缩醛化反应进行了研究,考察了醇醛比、反应时间、催化剂用量、带水剂种类积等因素对苯甲醛1,3-丁醇缩醛收率的影响。

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流作反应物用于制革的脱灰，研究了超临界CO2的压力、温度、时间及工艺对脱灰脱脂的影响。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基酸的合成工艺进行了比较研究,认为硫氢化钠法硫代硫酸钠法生产成本低,适宜于选矿用巯基酸的生产,而硫脲法可得到较高浓度的巯基酸。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂为催化剂,十三碳元酸与醇为原料合成十三碳元酸酯,考察了影响反应的因素。

This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.

玻璃微量元素肥料,是以玻璃为主要原料,加人适量的微量元素,经过灼烧成为熔融状态后,发生固相反应,即生成玻璃微量元素肥料。

The hydrothermal synthesis method was adopted to prepare the rutile-type nano-sized TiO2 by using low-cost metatitanic acid as the starting reactant and the monacid as the dressing agent.

以偏钛酸为起始反应物,一元酸为修饰剂,采用水热合成法制备纳米金红石型化钛。

This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

由此表明了在生成RDX酮的反应过程中，硝基脲上比脲更为合适的反应。

Hydrochloric acid and chlorous natrium are used as primary reactant to give out the gas of chlorine dioxide.

装置以盐酸和亚氯酸钠为主要反应物,通过反应放出二氧化氯气。

Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

以尿素和乙二为原料,在酸催化的条件下合成了甘脲,产率为61.8%。

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对与1,3-丁二醇在钒磷氧催化剂作用下的缩化反应进行了研究,考察了醇比、反应时间、催化剂用量、带水剂种类和积等因素对1,3-丁二醇缩收率的影响。

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流作反应物用于制革的脱灰，研究了超临界CO2的压力、温度、时间及工艺对脱灰和脱脂的影响。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行了比较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原料合成十三碳二元酸二乙酯,考察了影响反应的因素。

This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.

玻璃微量元素肥料,是以玻璃为主要原料,加人适量的微量元素,经过灼烧成为熔融状态后,发生固相反应,即生成玻璃微量元素肥料。

The hydrothermal synthesis method was adopted to prepare the rutile-type nano-sized TiO2 by using low-cost metatitanic acid as the starting reactant and the monacid as the dressing agent.

以偏钛酸为起始反应物,一元酸为修饰剂,采用水热合成法制备纳米金红石型二氧化钛。

This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

由此表明了在生成RDX酮反应过程中，硝基脲上比脲更合适反应形式。

Hydrochloric acid and chlorous natrium are used as primary reactant to give out the gas of chlorine dioxide.

该装置以盐酸和亚氯酸钠反应物,通过反应放出二氧化氯气。

Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

以尿素和乙二醛原料,在酸催化件下合成了甘脲,产率61.8%。

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲醛与1,3-丁二醇在钒磷氧催化剂作用下缩醛化反应进行了研究,考察了醇醛比、反应时间、催化剂用量、带水剂种类和积等因素对苯甲醛1,3-丁二醇缩醛收率影响。

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流作反应物用于制革脱灰，研究了超临界CO2压力、温度、时间及工艺对脱灰和脱脂影响。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸合成工艺进行了比较研究,认硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸生产,而硫脲法可得到较高浓度巯基乙酸。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂催化剂,十三碳二元酸与乙醇原料合成十三碳二元酸二乙酯,考察了影响反应因素。

This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.

玻璃微量元素肥料,是以玻璃原料,加人适量微量元素,经过灼烧成熔融状态后,发生固相反应,即生成玻璃微量元素肥料。

The hydrothermal synthesis method was adopted to prepare the rutile-type nano-sized TiO2 by using low-cost metatitanic acid as the starting reactant and the monacid as the dressing agent.

以偏钛酸起始反应物,一元酸修饰剂,采用水热合成法制备纳米金红石型二氧化钛。

This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

由此表明了生成RDX酮的反应过程中，硝基脲上比脲适的反应形式。

Hydrochloric acid and chlorous natrium are used as primary reactant to give out the gas of chlorine dioxide.

该装置以盐酸和亚氯酸钠主要反应物,通过反应放出二氧化氯气。

Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

以尿素和乙二醛原料,酸催化的条件下成了甘脲,产率61.8%。

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲醛与1,3-丁二醇氧催化剂作用下的缩醛化反应进行了研究,考察了醇醛比、反应时间、催化剂用量、带水剂种类和积等因素对苯甲醛1,3-丁二醇缩醛收率的影响。

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流作反应物用于制革的脱灰，研究了超临界CO2的压力、温度、时间及工艺对脱灰和脱脂的影响。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的成工艺进行了比较研究,认硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂催化剂,十三碳二元酸与乙醇原料成十三碳二元酸二乙酯,考察了影响反应的因素。

This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.

玻璃微量元素肥料,是以玻璃主要原料,加人适量的微量元素,经过灼烧成熔融状态后,发生固相反应,即生成玻璃微量元素肥料。

The hydrothermal synthesis method was adopted to prepare the rutile-type nano-sized TiO2 by using low-cost metatitanic acid as the starting reactant and the monacid as the dressing agent.

以偏钛酸起始反应物,一元酸修饰剂,采用水热成法制备纳米金红石型二氧化钛。

This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

由此表明了在生成RDX酮的反应过程中，硝基脲上比脲更为合适的反应形式。

Hydrochloric acid and chlorous natrium are used as primary reactant to give out the gas of chlorine dioxide.

该装置以盐酸和亚氯酸钠为主要反应物,通过反应放出二氧化氯气。

Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

以尿素和乙二醛为原料,在酸化的条件下合成了甘脲,产率为61.8%。

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲醛与1,3-丁二醇在钒磷氧化剂作用下的缩醛化反应进行了研究,考察了醇醛比、反应、化剂用量、带水剂种类和积等因素对苯甲醛1,3-丁二醇缩醛收率的影响。

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流作反应物用于制革的脱灰，研究了超临界CO2的压力、温度、及工艺对脱灰和脱脂的影响。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行了比较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离交换树脂为化剂,十三碳二元酸与乙醇为原料合成十三碳二元酸二乙酯,考察了影响反应的因素。

This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.

玻璃微量元素肥料,是以玻璃为主要原料,加人适量的微量元素,经过灼烧成为熔融状态后,发生固相反应,即生成玻璃微量元素肥料。

The hydrothermal synthesis method was adopted to prepare the rutile-type nano-sized TiO2 by using low-cost metatitanic acid as the starting reactant and the monacid as the dressing agent.

以偏钛酸为起始反应物,一元酸为修饰剂,采用水热合成法制备纳米金红石型二氧化钛。

This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

由此表明了在生成RDX酮的反应过程中，硝基上为合适的反应形式。

Hydrochloric acid and chlorous natrium are used as primary reactant to give out the gas of chlorine dioxide.

该装置以盐酸和亚氯酸钠为主要反应物,通过反应放出二化氯气。

Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

以尿素和乙二醛为原料,在酸化的条件下合成了甘,产率为61.8%。

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲醛与1,3-丁二醇在钒化剂作用下的缩醛化反应进行了研究,考察了醇醛、反应时间、化剂用量、带水剂种类和积等因素对苯甲醛1,3-丁二醇缩醛收率的影响。

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流作反应物用于制革的脱灰，研究了超临界CO2的压力、温度、时间及工艺对脱灰和脱脂的影响。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行了较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而硫法可得到较高浓度的巯基乙酸。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂为化剂,十三碳二元酸与乙醇为原料合成十三碳二元酸二乙酯,考察了影响反应的因素。

This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.

玻璃微量元素肥料,是以玻璃为主要原料,加人适量的微量元素,经过灼烧成为熔融状态后,发生固相反应,即生成玻璃微量元素肥料。

The hydrothermal synthesis method was adopted to prepare the rutile-type nano-sized TiO2 by using low-cost metatitanic acid as the starting reactant and the monacid as the dressing agent.

以偏钛酸为起始反应物,一元酸为修饰剂,采用水热合成法制备纳米金红石型二化钛。

This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

由此表明了在生成RDX酮的反应过程中，硝基脲上比脲更为合适的反应形式。

Hydrochloric acid and chlorous natrium are used as primary reactant to give out the gas of chlorine dioxide.

该装置以盐酸和亚氯酸钠为主要反应物,通过反应放出二氧化氯气。

Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

以尿素和乙二为原料,在酸催化的条件下合成了甘脲,产率为61.8%。

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲与1,3-丁二醇在钒磷氧催化剂作用下的化反应进行了研究,考察了醇比、反应时间、催化剂用量、带水剂种类和积等因素对苯甲1,3-丁二醇率的影响。

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流作反应物用于制革的脱灰，研究了超临界CO2的压力、温度、时间及工艺对脱灰和脱脂的影响。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行了比较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原料合成十三碳二元酸二乙酯,考察了影响反应的因素。

This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.

玻璃微量元素肥料,是以玻璃为主要原料,加人适量的微量元素,经过灼烧成为熔融状态后,发生固相反应,即生成玻璃微量元素肥料。

The hydrothermal synthesis method was adopted to prepare the rutile-type nano-sized TiO2 by using low-cost metatitanic acid as the starting reactant and the monacid as the dressing agent.

以偏钛酸为起始反应物,一元酸为修饰剂,采用水热合成法制备纳米金红石型二氧化钛。

This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

由此表明了生成RDX酮的反应过程中，硝基脲上比脲更的反应形式。

Hydrochloric acid and chlorous natrium are used as primary reactant to give out the gas of chlorine dioxide.

该装置以盐酸和亚氯酸钠主要反应物,通过反应放出二氧化氯气。

Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

以尿素和乙二醛原料,酸催化的条件下成了甘脲,产率61.8%。

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲醛与1,3-丁二磷氧催化剂作用下的缩醛化反应进行了研究,考察了醛比、反应时间、催化剂用量、带水剂种类和积等因素对苯甲醛1,3-丁二缩醛收率的影响。

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流作反应物用于制革的脱灰，研究了超临界CO2的压力、温度、时间及工艺对脱灰和脱脂的影响。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的成工艺进行了比较研究,认硫氢化钠法和硫代硫酸钠法生产成本低,宜于选矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂催化剂,十三碳二元酸与乙原料成十三碳二元酸二乙酯,考察了影响反应的因素。

This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.

玻璃微量元素肥料,是以玻璃主要原料,加人量的微量元素,经过灼烧成熔融状态后,发生固相反应,即生成玻璃微量元素肥料。

The hydrothermal synthesis method was adopted to prepare the rutile-type nano-sized TiO2 by using low-cost metatitanic acid as the starting reactant and the monacid as the dressing agent.

以偏钛酸起始反应物,一元酸修饰剂,采用水热成法制备纳米金红石型二氧化钛。

This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

表明在生成RDX酮的反应过程中，硝基脲上比脲更为合适的反应形式。

Hydrochloric acid and chlorous natrium are used as primary reactant to give out the gas of chlorine dioxide.

该装置以盐酸和亚氯酸钠为主要反应物,通过反应放出二氧化氯气。

Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

以尿素和乙二醛为原料,在酸催化的条件下合成甘脲,产率为61.8%。

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲醛与1,3-丁二在钒磷氧催化剂作用下的缩醛化反应进行研究,考醛比、反应时间、催化剂用量、带水剂种类和积等因素对苯甲醛1,3-丁二缩醛收率的影响。

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流作反应物用于制革的脱灰，研究超临界CO2的压力、温度、时间及工艺对脱灰和脱脂的影响。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行比较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙为原料合成十三碳二元酸二乙酯,考影响反应的因素。

This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.

玻璃微量元素肥料,是以玻璃为主要原料,加人适量的微量元素,经过灼烧成为熔融状态后,发生固相反应,即生成玻璃微量元素肥料。

The hydrothermal synthesis method was adopted to prepare the rutile-type nano-sized TiO2 by using low-cost metatitanic acid as the starting reactant and the monacid as the dressing agent.

以偏钛酸为起始反应物,一元酸为修饰剂,采用水热合成法制备纳米金红石型二氧化钛。

This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

由此表明了在生成RDX酮反应过程中，硝基脲上比脲更为合适反应形式。

Hydrochloric acid and chlorous natrium are used as primary reactant to give out the gas of chlorine dioxide.

该装置以盐酸和亚氯酸钠为主要反应物,通过反应放出二氧化氯气。

Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

以尿素和乙二醛为原料,在酸催化条件下合成了甘脲,产为61.8%。

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲醛与1,3-丁二醇在钒磷氧催化剂作用下缩醛化反应进行了研究,考察了醇醛比、反应时间、催化剂用量、带水剂种类和积等因素对苯甲醛1,3-丁二醇缩醛收响。

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流作反应物用于制革脱灰，研究了超临界CO2压力、温度、时间及工艺对脱灰和脱脂响。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸合成工艺进行了比较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸生产,而硫脲法可得到较高浓度巯基乙酸。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原料合成十三碳二元酸二乙酯,考察了响反应因素。

This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.

玻璃微量元素肥料,是以玻璃为主要原料,加人适量微量元素,经过灼烧成为熔融状态后,发生固相反应,即生成玻璃微量元素肥料。

The hydrothermal synthesis method was adopted to prepare the rutile-type nano-sized TiO2 by using low-cost metatitanic acid as the starting reactant and the monacid as the dressing agent.

以偏钛酸为起始反应物,一元酸为修饰剂,采用水热合成法制备纳米金红石型二氧化钛。