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

以BTEAC(苄三乙)为相转移催剂合成了异烟乙酯。

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、碳氢反应得到碳氢钠微析出和,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-丙为起始原料,用苄三乙作为催剂,经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.

副产的在联碱车间加工成、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克和50毫升硝细菌，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)为相转移催剂合成了异烟乙酯。

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,一步用卤水、碳氢反应得到碳氢钠微溶析出和溶液,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-丙为起始原料,用苄基三乙基作为催剂,经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.

副产的溶液在联碱车间加工成、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)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、碳反应得到碳钠微溶析出和氯化溶液,过滤。

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

以酚和3-氯丙为起始原料,用苄基三乙基氯化作为催化剂,经过相转移催化合成氧丙。

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

副产的氯化溶液在联碱车间加工成氯化、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)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、碳反应得到碳钠微溶析出和氯化溶液,过滤。

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

以酚和3-氯丙为起始原料,用苄基三乙基氯化作为催化剂,经过相转移催化合成氧丙。

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

副产的氯化溶液在联碱车间加工成氯化、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(苄基三基铵)为相转移催剂合了异烟。

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-丙为起始原料,用苄基三基铵作为催剂,经过相转移催合对氟苯氧丙。

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

副产的铵溶液在联碱车间加工铵、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.

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,。

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

对氟苯酚和3-氯丙为起始原料,用苄氯化铵作为催化剂,经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,用苄基三乙基氯化铵作为化剂,经过相化合成对氟苯氧丙。

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。

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

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(苄基三乙基氯化铵)为相转移催化合成了异烟乙酯。

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析出和氯化铵液,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,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.

副产的氯化铵液在联碱车间加工成氯化铵、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化铵中、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。