Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂的特性和主要用领域。

A reaction engineering analysis was given to a trioxane synthesis reactorssuggested by BASF company.

对德国BASF公司提出的三聚甲醛合器进了工程分析。

Formaldehyde, benzene, ammonia and radioactive pollution' superscale have seriously affected people's health.

甲醛、苯、氨气和放射性污染超标已经严重影响了人们的健康。

Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

合了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63。

A new curing agent was synthesized by the reaction of phenylamine-formaldehyde and dicyanodiamide.

利用苯胺-甲醛与双氰胺得到了一种改性物。

The absorption spectroscopic determination of aucubin by condensation with p-dimethylaminobenzaldehyde was optimized in this paper.

采用均匀设计法对对二甲氨基苯甲醛显色法测定桃叶珊瑚甙的显色条件进了优化。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。

A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported.

采用电位滴定法测定甲苯电合物中的苯甲醛和苯甲酸,研究了盐酸羟胺用量、苯甲醇和甲苯含量对测定的影响。

Formaldehyde is widely used in vinylite, plastic, rubber, paper making, pharmacy, and antisepsis and so on.

甲醛用途十分广泛，涉及合树脂、塑料、橡胶、造纸、制药和防腐等领域。

Desulfonation of SFP lignosulfonate was studied in this paper under alkaline and high temperature and pressure.

对亚硫酸盐-甲醛-蒽醌制浆法（SFP）的副质素磺酸盐在碱性高温条件下进了脱磺工艺的研究。

The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.

发现该工艺中主要生苯甲醛，少量副物是环氧苯乙烷和苯乙醛等。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,氟化钾氧化铝作催化剂合了苄叉丙酮。

For Group B, the vitalight lamp radiation and steaming of methanal plus PP were used in combined air sterilization.

紫外线灯照射与甲醛加PP熏蒸联合空气消毒为B组。

The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor,but it occurs deviation.

测定白酒中杂醇油常采用硫酸-对二甲胺基苯甲醛比色法,但测定常有误差。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和丙酮组的改良固定液中固定后制石蜡切片,经HE染色后在显微镜下观察。

Abstract : A new colorimetric chemosensor 1 based on a tripodal benzaldehydic-phenylhydrazone selectively sensing acetate ion has been synthesized.

摘要 ： 本文合了一个新的基于三脚架苯甲醛苯腙的能够选择地检测醋酸根离子的比色化学传感器 1 。

With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.

用氯化钙作沉淀剂，消除磷酸根离子的干扰，用甲醛法测定复合肥中的总氮。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件下由茜素、甲醛和亚氨基二乙酸缩合而。

Thus, Gramine was prepared from Indole by condensatallizafion, the purity of Gramine was 98% , and the yield was 95% .

报道了芦竹碱新的合方法,由吲哚与甲醛和二甲胺缩合而制得芦竹碱,经重结晶后其含量为98％。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二氯苯甲醛的合工艺路线,并比较利弊,阐述了对甲苯磺酰氯氯化水解法的优越性。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂的特性和主要应用领域。

A reaction engineering analysis was given to a trioxane synthesis reactorssuggested by BASF company.

对德国BASF公司提出的三聚甲醛合成反应器进了工程分析。

Formaldehyde, benzene, ammonia and radioactive pollution' superscale have seriously affected people's health.

甲醛、苯、氨气和放射性污染超标已经严重影响了人们的健康。

Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63。

A new curing agent was synthesized by the reaction of phenylamine-formaldehyde and dicyanodiamide.

利用苯胺-甲醛与双氰胺反应得到了一种改性产物。

The absorption spectroscopic determination of aucubin by condensation with p-dimethylaminobenzaldehyde was optimized in this paper.

采用均法对对二甲氨基苯甲醛显色法测桃叶珊瑚甙的显色条件进了优化。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。

A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported.

采用电法测甲苯电合成产物中的苯甲醛和苯甲酸,研究了盐酸羟胺用量、苯甲醇和甲苯含量对测的影响。

Formaldehyde is widely used in vinylite, plastic, rubber, paper making, pharmacy, and antisepsis and so on.

甲醛用途十分广泛，涉及合成树脂、塑料、橡胶、造纸、制药和防腐等领域。

Desulfonation of SFP lignosulfonate was studied in this paper under alkaline and high temperature and pressure.

对亚硫酸盐-甲醛-蒽醌制浆法（SFP）的副产品木质素磺酸盐在碱性高温条件下进了脱磺工艺的研究。

The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.

发现该工艺中主要生成苯甲醛，少量副产物是环氧苯乙烷和苯乙醛等。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,氟化钾氧化铝作催化剂合成了苄叉丙酮。

For Group B, the vitalight lamp radiation and steaming of methanal plus PP were used in combined air sterilization.

紫外线灯照射与甲醛加PP熏蒸联合空气消毒为B组。

The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor,but it occurs deviation.

测白酒中杂醇油常采用硫酸-对二甲胺基苯甲醛比色法,但测常有误差。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和丙酮组成的改良固液中固后制成石蜡切片,经HE染色后在显微镜下观察。

Abstract : A new colorimetric chemosensor 1 based on a tripodal benzaldehydic-phenylhydrazone selectively sensing acetate ion has been synthesized.

摘要 ： 本文合成了一个新的基于三脚架苯甲醛苯腙的能够选择地检测醋酸根离子的比色化学传感器 1 。

With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.

用氯化钙作沉淀剂，消除磷酸根离子的干扰，用甲醛法测复合肥中的总氮。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件下由茜素、甲醛和亚氨基二乙酸缩合而成。

Thus, Gramine was prepared from Indole by condensatallizafion, the purity of Gramine was 98% , and the yield was 95% .

报道了芦竹碱新的合成方法,由吲哚与甲醛和二甲胺缩合而制得芦竹碱,经重结晶后其含量为98％。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二氯苯甲醛的合成工艺路线,并比较利弊,阐述了对甲苯磺酰氯氯化水解法的优越性。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂的特和主要应用领域。

A reaction engineering analysis was given to a trioxane synthesis reactorssuggested by BASF company.

对德国BASF出的三聚甲醛合成反应器进了工程分析。

Formaldehyde, benzene, ammonia and radioactive pollution' superscale have seriously affected people's health.

甲醛、苯、氨气和放射污染超标已经严重影响了人们的健康。

Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63。

A new curing agent was synthesized by the reaction of phenylamine-formaldehyde and dicyanodiamide.

利用苯胺-甲醛与双氰胺反应得到了一种改产物。

The absorption spectroscopic determination of aucubin by condensation with p-dimethylaminobenzaldehyde was optimized in this paper.

采用均匀设计法对对二甲氨基苯甲醛显色法测定桃叶珊瑚甙的显色条件进了优化。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。

A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported.

采用电位滴定法测定甲苯电合成产物中的苯甲醛和苯甲酸,研究了盐酸羟胺用量、苯甲醇和甲苯含量对测定的影响。

Formaldehyde is widely used in vinylite, plastic, rubber, paper making, pharmacy, and antisepsis and so on.

甲醛用途十分广泛，涉及合成树脂、塑料、橡胶、造纸、制药和防腐等领域。

Desulfonation of SFP lignosulfonate was studied in this paper under alkaline and high temperature and pressure.

对亚硫酸盐-甲醛-蒽醌制浆法（SFP）的副产品木质素磺酸盐在碱条件下进了脱磺工艺的研究。

The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.

发现该工艺中主要生成苯甲醛，少量副产物是环氧苯乙烷和苯乙醛等。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,氟化钾氧化铝作催化剂合成了苄叉丙酮。

For Group B, the vitalight lamp radiation and steaming of methanal plus PP were used in combined air sterilization.

紫外线灯照射与甲醛加PP熏蒸联合空气消毒为B组。

The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor,but it occurs deviation.

测定白酒中杂醇油常采用硫酸-对二甲胺基苯甲醛比色法,但测定常有误差。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和丙酮组成的改良固定液中固定后制成石蜡切片,经HE染色后在显微镜下观察。

Abstract : A new colorimetric chemosensor 1 based on a tripodal benzaldehydic-phenylhydrazone selectively sensing acetate ion has been synthesized.

摘要 ： 本文合成了一个新的基于三脚架苯甲醛苯腙的能够选择地检测醋酸根离子的比色化学传感器 1 。

With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.

用氯化钙作沉淀剂，消除磷酸根离子的干扰，用甲醛法测定复合肥中的总氮。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱条件下由茜素、甲醛和亚氨基二乙酸缩合而成。

Thus, Gramine was prepared from Indole by condensatallizafion, the purity of Gramine was 98% , and the yield was 95% .

报道了芦竹碱新的合成方法,由吲哚与甲醛和二甲胺缩合而制得芦竹碱,经重结晶后其含量为98％。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二氯苯甲醛的合成工艺路线,并比较利弊,阐述了对甲苯磺酰氯氯化水解法的优越。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚树脂的特性和主要应用领域。

A reaction engineering analysis was given to a trioxane synthesis reactorssuggested by BASF company.

对德国BASF公司提出的三聚合成反应器进了工程分析。

Formaldehyde, benzene, ammonia and radioactive pollution' superscale have seriously affected people's health.

、、氨气和放射性污染超标已经严重影响了人们的健康。

Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

合成了一种席夫碱金属络合物——呋喃胺铜络合物,收率为63。

A new curing agent was synthesized by the reaction of phenylamine-formaldehyde and dicyanodiamide.

利用胺-与双氰胺反应得到了一种改性产物。

The absorption spectroscopic determination of aucubin by condensation with p-dimethylaminobenzaldehyde was optimized in this paper.

采用均匀设计法对对氨基显色法测定桃叶珊瑚甙的显色条件进了优化。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基,酰酸酯,氨化试剂为原料。

A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported.

采用电位滴定法测定电合成产物中的和酸,研究了盐酸羟胺用量、醇和量对测定的影响。

Formaldehyde is widely used in vinylite, plastic, rubber, paper making, pharmacy, and antisepsis and so on.

用途十分广泛，涉及合成树脂、塑料、橡胶、造纸、制药和防腐等领域。

Desulfonation of SFP lignosulfonate was studied in this paper under alkaline and high temperature and pressure.

对亚硫酸盐--蒽醌制浆法（SFP）的副产品木质素磺酸盐在碱性高温条件下进了脱磺工艺的研究。

The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.

发现该工艺中主要生成，少量副产物是环氧烷和等。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以和丙酮为原料,氟化钾氧化铝作催化剂合成了苄叉丙酮。

For Group B, the vitalight lamp radiation and steaming of methanal plus PP were used in combined air sterilization.

紫外线灯照射与加PP熏蒸联合空气消毒为B组。

The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor,but it occurs deviation.

测定白酒中杂醇油常采用硫酸-对胺基比色法,但测定常有误差。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚、冰醋酸和丙酮组成的改良固定液中固定后制成石蜡切片,经HE染色后在显微镜下观察。

Abstract : A new colorimetric chemosensor 1 based on a tripodal benzaldehydic-phenylhydrazone selectively sensing acetate ion has been synthesized.

摘要 ： 本文合成了一个新的基于三脚架腙的能够选择地检测醋酸根离子的比色化学传感器 1 。

With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.

用氯化钙作沉淀剂，消除磷酸根离子的干扰，用法测定复合肥中的总氮。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件下由茜素、和亚氨基酸缩合而成。

Thus, Gramine was prepared from Indole by condensatallizafion, the purity of Gramine was 98% , and the yield was 95% .

报道了芦竹碱新的合成方法,由吲哚与和胺缩合而制得芦竹碱,经重结晶后其量为98％。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种氯的合成工艺路线,并比较利弊,阐述了对磺酰氯氯化水解法的优越性。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并聚甲醛树脂的特性和应用领域。

A reaction engineering analysis was given to a trioxane synthesis reactorssuggested by BASF company.

对德国BASF公司提出的三聚甲醛合成反应器进工程分析。

Formaldehyde, benzene, ammonia and radioactive pollution' superscale have seriously affected people's health.

甲醛、苯、氨气和放射性污染超标已经严重影响人们的健康。

Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

合成一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63。

A new curing agent was synthesized by the reaction of phenylamine-formaldehyde and dicyanodiamide.

利用苯胺-甲醛与双氰胺反应得到一种改性产物。

The absorption spectroscopic determination of aucubin by condensation with p-dimethylaminobenzaldehyde was optimized in this paper.

采用均匀设计法对对二甲氨基苯甲醛显色法测定桃叶珊瑚甙的显色条件进优化。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。

A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported.

采用电位滴定法测定甲苯电合成产物的苯甲醛和苯甲酸,研究盐酸羟胺用量、苯甲醇和甲苯含量对测定的影响。

Formaldehyde is widely used in vinylite, plastic, rubber, paper making, pharmacy, and antisepsis and so on.

甲醛用途十分广泛，涉及合成树脂、塑料、橡胶、造纸、制药和防腐等领域。

Desulfonation of SFP lignosulfonate was studied in this paper under alkaline and high temperature and pressure.

对亚硫酸盐-甲醛-蒽醌制浆法（SFP）的副产品木质素磺酸盐在碱性高温条件下进脱磺工艺的研究。

The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.

发现该工艺生成苯甲醛，少量副产物是环氧苯乙烷和苯乙醛等。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,氟化钾氧化铝作催化剂合成苄叉丙酮。

For Group B, the vitalight lamp radiation and steaming of methanal plus PP were used in combined air sterilization.

紫外线灯照射与甲醛加PP熏蒸联合空气消毒为B组。

The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor,but it occurs deviation.

测定白酒杂醇油常采用硫酸-对二甲胺基苯甲醛比色法,但测定常有误差。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和丙酮组成的改良固定液固定后制成石蜡切片,经HE染色后在显微镜下观察。

Abstract : A new colorimetric chemosensor 1 based on a tripodal benzaldehydic-phenylhydrazone selectively sensing acetate ion has been synthesized.

摘 ： 本文合成一个新的基于三脚架苯甲醛苯腙的能够选择地检测醋酸根离子的比色化学传感器 1 。

With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.

用氯化钙作沉淀剂，消除磷酸根离子的干扰，用甲醛法测定复合肥的总氮。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件下由茜素、甲醛和亚氨基二乙酸缩合而成。

Thus, Gramine was prepared from Indole by condensatallizafion, the purity of Gramine was 98% , and the yield was 95% .

报道芦竹碱新的合成方法,由吲哚与甲醛和二甲胺缩合而制得芦竹碱,经重结晶后其含量为98％。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

四种二氯苯甲醛的合成工艺路线,并比较利弊,阐述对甲苯磺酰氯氯化水解法的优越性。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂的特性和主要应领域。

A reaction engineering analysis was given to a trioxane synthesis reactorssuggested by BASF company.

对德国BASF公司提出的三聚甲醛合成反应器进了工程分析。

Formaldehyde, benzene, ammonia and radioactive pollution' superscale have seriously affected people's health.

甲醛、苯、氨气和放射性污染超标已经严重影响了人们的健康。

Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率63。

A new curing agent was synthesized by the reaction of phenylamine-formaldehyde and dicyanodiamide.

苯胺-甲醛与双氰胺反应得到了一种改性产物。

The absorption spectroscopic determination of aucubin by condensation with p-dimethylaminobenzaldehyde was optimized in this paper.

采均匀设计法对对二甲氨基苯甲醛显色法测定桃叶珊瑚甙的显色条件进了优化。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲醛,乙酰乙乙酯,氨化试剂原料。

A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported.

采电位滴定法测定甲苯电合成产物中的苯甲醛和苯甲,研究了胺量、苯甲醇和甲苯含量对测定的影响。

Formaldehyde is widely used in vinylite, plastic, rubber, paper making, pharmacy, and antisepsis and so on.

甲醛途十分广泛，涉及合成树脂、塑料、橡胶、造纸、制药和防腐等领域。

Desulfonation of SFP lignosulfonate was studied in this paper under alkaline and high temperature and pressure.

对亚硫-甲醛-蒽醌制浆法（SFP）的副产品木质素磺在碱性高温条件下进了脱磺工艺的研究。

The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.

发现该工艺中主要生成苯甲醛，少量副产物是环氧苯乙烷和苯乙醛等。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮原料,氟化钾氧化铝作催化剂合成了苄叉丙酮。

For Group B, the vitalight lamp radiation and steaming of methanal plus PP were used in combined air sterilization.

紫外线灯照射与甲醛加PP熏蒸联合空气消毒B组。

The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor,but it occurs deviation.

测定白酒中杂醇油常采硫-对二甲胺基苯甲醛比色法,但测定常有误差。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋和丙酮组成的改良固定液中固定后制成石蜡切片,经HE染色后在显微镜下观察。

Abstract : A new colorimetric chemosensor 1 based on a tripodal benzaldehydic-phenylhydrazone selectively sensing acetate ion has been synthesized.

摘要 ： 本文合成了一个新的基于三脚架苯甲醛苯腙的能够选择地检测醋根离子的比色化学传感器 1 。

With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.

氯化钙作沉淀剂，消除磷根离子的干扰，甲醛法测定复合肥中的总氮。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件下由茜素、甲醛和亚氨基二乙缩合而成。

Thus, Gramine was prepared from Indole by condensatallizafion, the purity of Gramine was 98% , and the yield was 95% .

报道了芦竹碱新的合成方法,由吲哚与甲醛和二甲胺缩合而制得芦竹碱,经重结晶后其含量98％。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二氯苯甲醛的合成工艺路线,并比较弊,阐述了对甲苯磺酰氯氯化水解法的优越性。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍聚甲醛树脂的特性和主要应用领域。

A reaction engineering analysis was given to a trioxane synthesis reactorssuggested by BASF company.

对德国BASF公司提出的三聚甲醛反应器进工程分析。

Formaldehyde, benzene, ammonia and radioactive pollution' superscale have seriously affected people's health.

甲醛、苯、氨气和放射性污染超标已经严重影响人们的健康。

Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

一种席夫碱金属络物——呋喃甲醛乙二胺铜络物,收率为63。

A new curing agent was synthesized by the reaction of phenylamine-formaldehyde and dicyanodiamide.

利用苯胺-甲醛与双氰胺反应得到一种改性产物。

The absorption spectroscopic determination of aucubin by condensation with p-dimethylaminobenzaldehyde was optimized in this paper.

采用均匀设计法对对二甲氨基苯甲醛显色法测定桃叶珊瑚甙的显色条件进优化。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。

A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported.

采用电位滴定法测定甲苯电产物中的苯甲醛和苯甲酸,研究盐酸羟胺用量、苯甲醇和甲苯含量对测定的影响。

Formaldehyde is widely used in vinylite, plastic, rubber, paper making, pharmacy, and antisepsis and so on.

甲醛用途十分，及树脂、塑料、橡胶、造纸、制药和防腐等领域。

Desulfonation of SFP lignosulfonate was studied in this paper under alkaline and high temperature and pressure.

对亚硫酸盐-甲醛-蒽醌制浆法（SFP）的副产品木质素磺酸盐在碱性高温条件下进脱磺工艺的研究。

The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.

发现该工艺中主要生苯甲醛，少量副产物是环氧苯乙烷和苯乙醛等。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,氟化钾氧化铝作催化剂苄叉丙酮。

For Group B, the vitalight lamp radiation and steaming of methanal plus PP were used in combined air sterilization.

紫外线灯照射与甲醛加PP熏蒸联空气消毒为B组。

The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor,but it occurs deviation.

测定白酒中杂醇油常采用硫酸-对二甲胺基苯甲醛比色法,但测定常有误差。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和丙酮组的改良固定液中固定后制石蜡切片,经HE染色后在显微镜下观察。

Abstract : A new colorimetric chemosensor 1 based on a tripodal benzaldehydic-phenylhydrazone selectively sensing acetate ion has been synthesized.

摘要 ： 本文一个新的基于三脚架苯甲醛苯腙的能够选择地检测醋酸根离子的比色化学传感器 1 。

With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.

用氯化钙作沉淀剂，消除磷酸根离子的干扰，用甲醛法测定复肥中的总氮。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络指示剂是在碱性条件下由茜素、甲醛和亚氨基二乙酸缩而。

Thus, Gramine was prepared from Indole by condensatallizafion, the purity of Gramine was 98% , and the yield was 95% .

报道芦竹碱新的方法,由吲哚与甲醛和二甲胺缩而制得芦竹碱,经重结晶后其含量为98％。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍四种二氯苯甲醛的工艺路线,并比较利弊,阐述对甲苯磺酰氯氯化水解法的优越性。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚醛树脂的特性和主要应用领域。

A reaction engineering analysis was given to a trioxane synthesis reactorssuggested by BASF company.

对德国BASF公司提出的三聚醛合反应器进了工程分析。

Formaldehyde, benzene, ammonia and radioactive pollution' superscale have seriously affected people's health.

醛、、氨气和放射性污染超标已经严重影响了人们的健康。

Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

合了一种席夫碱金属络合物——呋喃醛乙二胺铜络合物,收率为63。

A new curing agent was synthesized by the reaction of phenylamine-formaldehyde and dicyanodiamide.

利用胺-醛与双氰胺反应得到了一种改性产物。

The absorption spectroscopic determination of aucubin by condensation with p-dimethylaminobenzaldehyde was optimized in this paper.

采用均匀设计法对对二氨基醛显色法测定桃叶珊瑚甙的显色条件进了优化。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基醛,乙酰乙酸乙酯,氨化试剂为原料。

A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported.

采用电位滴定法测定电合产物中的醛和酸,研究了盐酸羟胺用量、醇和含量对测定的影响。

Formaldehyde is widely used in vinylite, plastic, rubber, paper making, pharmacy, and antisepsis and so on.

醛用途十分广泛，涉及合树脂、塑料、橡胶、造纸、制药和防腐等领域。

Desulfonation of SFP lignosulfonate was studied in this paper under alkaline and high temperature and pressure.

对亚硫酸盐-醛-蒽醌制浆法（SFP）的副产品木质素磺酸盐在碱性高温条件下进了脱磺工艺的研究。

The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.

发现该工艺中主要生醛，少量副产物是环氧乙烷和乙醛等。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以醛和丙酮为原料,氟化钾氧化铝作催化剂合了苄叉丙酮。

For Group B, the vitalight lamp radiation and steaming of methanal plus PP were used in combined air sterilization.

紫外线灯照射与醛加PP熏蒸联合空气消毒为B组。

The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor,but it occurs deviation.

测定白酒中杂醇油常采用硫酸-对二胺基醛比色法,但测定常有误差。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚醛、冰醋酸和丙酮组的改良固定液中固定后制石蜡切片,经HE染色后在显微镜下观察。

Abstract : A new colorimetric chemosensor 1 based on a tripodal benzaldehydic-phenylhydrazone selectively sensing acetate ion has been synthesized.

摘要 ： 本文合了一个新的基于三脚架醛腙的能够选择地检测醋酸根离子的比色化学传感器 1 。

With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.

用氯化钙作沉淀剂，消除磷酸根离子的干扰，用醛法测定复合肥中的总氮。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件下由茜素、醛和亚氨基二乙酸缩合而。

Thus, Gramine was prepared from Indole by condensatallizafion, the purity of Gramine was 98% , and the yield was 95% .

报道了芦竹碱新的合方法,由吲哚与醛和二胺缩合而制得芦竹碱,经重结晶后其含量为98％。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二氯醛的合工艺路线,并比较利弊,阐述了对磺酰氯氯化水解法的优越性。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂的特性和主要应领域。

A reaction engineering analysis was given to a trioxane synthesis reactorssuggested by BASF company.

德国BASF公司提出的三聚甲醛合成反应器进了工程分析。

Formaldehyde, benzene, ammonia and radioactive pollution' superscale have seriously affected people's health.

甲醛、苯、氨气和放射性污染超标已经严重影响了人们的健康。

Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63。

A new curing agent was synthesized by the reaction of phenylamine-formaldehyde and dicyanodiamide.

利苯胺-甲醛与双氰胺反应得到了一种改性产物。

The absorption spectroscopic determination of aucubin by condensation with p-dimethylaminobenzaldehyde was optimized in this paper.

均匀设计法二甲氨基苯甲醛显色法测定桃叶珊瑚甙的显色条件进了优化。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。

A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported.

位滴定法测定甲苯合成产物中的苯甲醛和苯甲酸,研究了盐酸羟胺量、苯甲醇和甲苯含量测定的影响。

Formaldehyde is widely used in vinylite, plastic, rubber, paper making, pharmacy, and antisepsis and so on.

甲醛途十分广泛，涉及合成树脂、塑料、橡胶、造纸、制药和防腐等领域。

Desulfonation of SFP lignosulfonate was studied in this paper under alkaline and high temperature and pressure.

亚硫酸盐-甲醛-蒽醌制浆法（SFP）的副产品木质素磺酸盐在碱性高温条件下进了脱磺工艺的研究。

The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.

发现该工艺中主要生成苯甲醛，少量副产物是环氧苯乙烷和苯乙醛等。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,氟化钾氧化铝作催化剂合成了苄叉丙酮。

For Group B, the vitalight lamp radiation and steaming of methanal plus PP were used in combined air sterilization.

紫外线灯照射与甲醛加PP熏蒸联合空气消毒为B组。

The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor,but it occurs deviation.

测定白酒中杂醇油常硫酸-二甲胺基苯甲醛比色法,但测定常有误差。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和丙酮组成的改良固定液中固定后制成石蜡切片,经HE染色后在显微镜下观察。

Abstract : A new colorimetric chemosensor 1 based on a tripodal benzaldehydic-phenylhydrazone selectively sensing acetate ion has been synthesized.

摘要 ： 本文合成了一个新的基于三脚架苯甲醛苯腙的能够选择地检测醋酸根离子的比色化学传感器 1 。

With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.

氯化钙作沉淀剂，消除磷酸根离子的干扰，甲醛法测定复合肥中的总氮。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件下由茜素、甲醛和亚氨基二乙酸缩合而成。

Thus, Gramine was prepared from Indole by condensatallizafion, the purity of Gramine was 98% , and the yield was 95% .

报道了芦竹碱新的合成方法,由吲哚与甲醛和二甲胺缩合而制得芦竹碱,经重结晶后其含量为98％。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二氯苯甲醛的合成工艺路线,并比较利弊,阐述了甲苯磺酰氯氯化水解法的优越性。