Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三乙基氯铵)为相转剂合成了异烟乙酯。

First,brine is reacted with ammonium hydrocarbonate to obtain the sodium hydrocarbonate and the ammonium chloride solution,and then filtrated.

卤水制备纯碱分两步进行,第一步用卤水、碳氢铵反应得到碳氢钠微溶析出和氯铵溶液,过滤。

The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.

以对氟苯酚和3-氯丙为起始原料,用苄基三乙基氯铵作为剂,经过相转合成对氟苯氧丙。

The ammonium chloride is obtained by processing the by-product solution of ammonium chloride in the workshop of coordinative producing alcali.

副产的氯铵溶液在联碱车间加工成氯铵、工艺合理经。

A method for the determination of trace cations in the tetramethylammonium chloride was developed by ion chromatography(IC) with conductivity detector.

文章采用离子色谱法测定高浓度四甲基氯铵中钠、钾和钙金属离子。

It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.

继续添加1.5克氯铵和50毫升硝细菌液，需要一星期活亚硝菌。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三乙基氯化铵)为相转移催化剂合成了异烟乙酯。

First,brine is reacted with ammonium hydrocarbonate to obtain the sodium hydrocarbonate and the ammonium chloride solution,and then filtrated.

卤水制备纯碱分两步进行,第一步用卤水、碳氢铵反应得到碳氢钠微溶析出氯化铵溶液,过滤。

The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.

以对氟3-氯丙为起,用苄基三乙基氯化铵作为催化剂,经过相转移催化合成对氟氧丙。

The ammonium chloride is obtained by processing the by-product solution of ammonium chloride in the workshop of coordinative producing alcali.

副产的氯化铵溶液在联碱车间加工成氯化铵、工艺合理经济划算。

A method for the determination of trace cations in the tetramethylammonium chloride was developed by ion chromatography(IC) with conductivity detector.

文章采用离子色谱法测定高浓度四甲基氯化铵中钠、钾钙金属离子。

It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.

继续添加1.5克氯化铵50毫升硝化细菌液，需要一星期活化亚硝菌。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三乙基氯化铵)为相转移催化剂异烟乙酯。

First,brine is reacted with ammonium hydrocarbonate to obtain the sodium hydrocarbonate and the ammonium chloride solution,and then filtrated.

卤水制备纯碱分两步进行,第一步用卤水、碳氢铵反应得到碳氢钠微溶析出和氯化铵溶液,过滤。

The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.

以对氟苯酚和3-氯丙为起始原料,用苄基三乙基氯化铵作为催化剂,经过相转移催化对氟苯氧丙。

The ammonium chloride is obtained by processing the by-product solution of ammonium chloride in the workshop of coordinative producing alcali.

副产的氯化铵溶液在联碱车间加工氯化铵、工经济划算。

A method for the determination of trace cations in the tetramethylammonium chloride was developed by ion chromatography(IC) with conductivity detector.

文章采用离子色谱法测定高浓度四甲基氯化铵中钠、钾和钙金属离子。

It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.

继续添加1.5克氯化铵和50毫升硝化细菌液，需要一星期活化亚硝菌。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄氯化铵)为相转移催化剂合成了异烟酯。

First,brine is reacted with ammonium hydrocarbonate to obtain the sodium hydrocarbonate and the ammonium chloride solution,and then filtrated.

卤水制备纯碱分两步进行,第一步用卤水、碳氢铵反应得到碳氢钠微溶析出和氯化铵溶液,过滤。

The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.

以对氟苯酚和3-氯丙为起始原料,用苄氯化铵作为催化剂,经过相转移催化合成对氟苯氧丙。

The ammonium chloride is obtained by processing the by-product solution of ammonium chloride in the workshop of coordinative producing alcali.

副产的氯化铵溶液在联碱车间加工成氯化铵、工艺合理经济划算。

A method for the determination of trace cations in the tetramethylammonium chloride was developed by ion chromatography(IC) with conductivity detector.

文章采用离子法测定高浓度四甲氯化铵中钠、钾和钙金属离子。

It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.

继续添加1.5克氯化铵和50毫升硝化细菌液，需要一星期活化亚硝菌。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三乙基氯化铵)为相转移催化剂合成了异烟乙酯。

First,brine is reacted with ammonium hydrocarbonate to obtain the sodium hydrocarbonate and the ammonium chloride solution,and then filtrated.

水制备纯碱分两进行,第一水、碳氢铵反应得到碳氢钠微溶析出和氯化铵溶液,过滤。

The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.

以对氟苯酚和3-氯丙为起始原料,苄基三乙基氯化铵作为催化剂,经过相转移催化合成对氟苯氧丙。

The ammonium chloride is obtained by processing the by-product solution of ammonium chloride in the workshop of coordinative producing alcali.

的氯化铵溶液在联碱车间加工成氯化铵、工艺合理经济划算。

A method for the determination of trace cations in the tetramethylammonium chloride was developed by ion chromatography(IC) with conductivity detector.

文章采离子色谱法测定高浓度四甲基氯化铵中钠、钾和钙金属离子。

It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.

继续添加1.5克氯化铵和50毫升硝化细菌液，需要一星期活化亚硝菌。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三乙基氯铵)为相转移催合成了异烟乙酯。

First,brine is reacted with ammonium hydrocarbonate to obtain the sodium hydrocarbonate and the ammonium chloride solution,and then filtrated.

卤水制备纯碱分两步进行,第一步用卤水、碳氢铵反应得到碳氢钠出和氯铵液,过滤。

The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.

以对氟苯酚和3-氯丙为起始原料,用苄基三乙基氯铵作为催,过相转移催合成对氟苯氧丙。

The ammonium chloride is obtained by processing the by-product solution of ammonium chloride in the workshop of coordinative producing alcali.

副产的氯铵液在联碱车间加工成氯铵、工艺合理济划算。

A method for the determination of trace cations in the tetramethylammonium chloride was developed by ion chromatography(IC) with conductivity detector.

文章采用离子色谱法测定高浓度四甲基氯铵中钠、钾和钙金属离子。

It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.

继续添加1.5克氯铵和50毫升硝细菌液，需要一星期活亚硝菌。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三乙基氯化铵)为相转移催化剂合成了异烟乙酯。

First,brine is reacted with ammonium hydrocarbonate to obtain the sodium hydrocarbonate and the ammonium chloride solution,and then filtrated.

水制备纯碱分两进行,第一水、碳氢铵反应得到碳氢钠微溶析出和氯化铵溶液,过滤。

The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.

以对氟苯酚和3-氯丙为起始原料,苄基三乙基氯化铵作为催化剂,经过相转移催化合成对氟苯氧丙。

The ammonium chloride is obtained by processing the by-product solution of ammonium chloride in the workshop of coordinative producing alcali.

的氯化铵溶液在联碱车间加工成氯化铵、工艺合理经济划算。

A method for the determination of trace cations in the tetramethylammonium chloride was developed by ion chromatography(IC) with conductivity detector.

文章采离子色谱法测定高浓度四甲基氯化铵中钠、钾和钙金属离子。

It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.

继续添加1.5克氯化铵和50毫升硝化细菌液，需要一星期活化亚硝菌。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(乙氯化铵)为相转移催化剂合成了异烟乙酯。

First,brine is reacted with ammonium hydrocarbonate to obtain the sodium hydrocarbonate and the ammonium chloride solution,and then filtrated.

卤水制备纯碱分两步进行,第一步用卤水、碳氢铵反应得到碳氢钠微溶析出和氯化铵溶液,过滤。

The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.

以对氟苯酚和3-氯丙为起始原料,用乙氯化铵作为催化剂,经过相转移催化合成对氟苯氧丙。

The ammonium chloride is obtained by processing the by-product solution of ammonium chloride in the workshop of coordinative producing alcali.

副产的氯化铵溶液在联碱车间加工成氯化铵、工艺合理经济划算。

A method for the determination of trace cations in the tetramethylammonium chloride was developed by ion chromatography(IC) with conductivity detector.

文章采用离子色谱法高浓度四甲氯化铵中钠、钾和钙金属离子。

It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.

继续添加1.5克氯化铵和50毫升硝化细菌液，需要一星期活化亚硝菌。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三乙基氯化铵)为相转移催化剂合成了异烟乙酯。

First,brine is reacted with ammonium hydrocarbonate to obtain the sodium hydrocarbonate and the ammonium chloride solution,and then filtrated.

卤水制备纯碱分两步进行,第一步用卤水、碳氢铵反应得到碳氢微溶析出氯化铵溶液,过滤。

The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.

以对氟苯酚3-氯丙为起始原料,用苄基三乙基氯化铵作为催化剂,经过相转移催化合成对氟苯氧丙。

The ammonium chloride is obtained by processing the by-product solution of ammonium chloride in the workshop of coordinative producing alcali.

副产的氯化铵溶液在联碱车间加工成氯化铵、工艺合理经济划算。

A method for the determination of trace cations in the tetramethylammonium chloride was developed by ion chromatography(IC) with conductivity detector.

文章采用离子色谱法测定高浓度四甲基氯化铵中、钙金属离子。

It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.

继续添加1.5克氯化铵50毫升硝化细菌液，需要一星期活化亚硝菌。