A new phenolic compound from Crinum asiaticum L.

Zhang Wei-dong(作者),et al.

The research showed a lot of functional ingredients such as anthocyanin, phenolic acid, polysaccharide, proanthocyanidin.

荔枝果核或果皮的萃取物具有抗氧化、抗炎症、抗诱变、预防糖尿病、降血脂以及其它生理功能。

Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

采用丁腈、羧基丁腈、丁苯、丁吡四种胶乳改性酚醛树脂。

Main ingredients of Epimedium are flavonoids, phenolic glycosides, polysaccharides, chromone, alkaloids.But mainly research concentrated in flavonoid.

淫羊藿中主要成分有黄酮类、酚苷类、多糖、色酮类、生物碱类等，但主要集中在黄酮类的研究。

This paper summarizes the preparation method, performance, progress of application and direction of studying phenolic resin acticarbon.

概述了酚醛树脂基活性炭的制备方法、性能及其应用进展和主要研究方向。

The recombination action assembled systematically in 2-3 compounds with active phenolic acid of transsulfurase influenced transsulfurase activity.

系统性地组合2种或3种具有促进转硫酶活性酚酸化合物在复合作用下对转硫酶活性之影响。

The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).

目前猎户座底部防热盾的首选是酚充填碳烧蚀挡板材料（PICA），是一种埋在酚树脂中的碳纤维交叉结构。

There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.

一硝基甲苯是生产多种精细化产品生产的中,业用途广泛。

The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.

另外，利用十种酚类化合物为标准品，测定不同生长期与季节之狼尾草中的酚类化合物之变化。

Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.

苯醚型酚醛树脂是铸造用聚氨酯粘合剂的主要成份之一,它的结构及合成艺条件决定了该类粘合剂性能。

A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

苯酚与甲醛在碱性条件下经加成、缩合制得可发性酚醛树脂，该树脂和表面活性剂、发泡剂、固化剂一起发泡即得酚醛泡沫塑料。

Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

摘要青麻成熟组织中酚类、黄酮类等次生代谢物较多，要从中提取出高纯度的DNA比较困难。

A new phenolic compound from Crinum asiaticum L.

Zhang Wei-dong(通讯作者),et al.

The research showed a lot of functional ingredients such as anthocyanin, phenolic acid, polysaccharide, proanthocyanidin.

荔枝果核或果皮萃取物具有抗氧化、抗炎症、抗诱变、预防糖尿病、降血脂以及其它生理功能。

Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

采用丁腈、羧基丁腈、丁苯、丁吡四种胶乳改酚醛树脂。

Main ingredients of Epimedium are flavonoids, phenolic glycosides, polysaccharides, chromone, alkaloids.But mainly research concentrated in flavonoid.

淫羊藿中主要成分有黄、酚苷、多糖、色、生物碱等，但主要集中在黄研究。

This paper summarizes the preparation method, performance, progress of application and direction of studying phenolic resin acticarbon.

概述了酚醛树脂基活炭制备方法、能及其应用进展和主要研究方向。

The recombination action assembled systematically in 2-3 compounds with active phenolic acid of transsulfurase influenced transsulfurase activity.

系统合2种或3种具有促进转硫酶活酚酸化合物在复合作用下对转硫酶活之影响。

The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).

目前猎户座底部防热盾首选是酚充填碳烧蚀挡板材料（PICA），是一种埋在酚树脂中碳纤维交叉结构。

There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.

一硝基甲苯是生产多种精细化工产品生产中间体,工业用途广泛。

The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.

另外，利用十种酚化合物为标准品，测定不同生长期与季节之狼尾草中酚化合物之变化。

Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.

苯醚型酚醛树脂是铸造用聚氨酯粘合剂主要成份之一,它结构及合成工艺条件决定了该粘合剂能。

A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

苯酚与甲醛在碱条件下经加成、缩合制得可发酚醛树脂，该树脂和表面活剂、发泡剂、固化剂一起发泡即得酚醛泡沫塑料。

Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

摘要青麻成熟织中酚、黄等次生代谢物较多，要从中提取出高纯度DNA比较困难。

A new phenolic compound from Crinum asiaticum L.

Zhang Wei-dong(通讯作者),et al.

The research showed a lot of functional ingredients such as anthocyanin, phenolic acid, polysaccharide, proanthocyanidin.

荔枝果核或果皮的萃取物具有抗氧化、抗炎症、抗诱变、预防糖尿病、降血脂以及其它生理功能。

Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

采用丁腈、羧基丁腈、丁苯、丁吡四种胶乳改性酚树脂。

Main ingredients of Epimedium are flavonoids, phenolic glycosides, polysaccharides, chromone, alkaloids.But mainly research concentrated in flavonoid.

淫羊藿中主要成分有黄酮类、酚苷类、多糖、色酮类、生物碱类等，但主要集中在黄酮类的研究。

This paper summarizes the preparation method, performance, progress of application and direction of studying phenolic resin acticarbon.

概述了酚树脂基活性炭的制备方法、性能及其应用进展和主要研究方向。

The recombination action assembled systematically in 2-3 compounds with active phenolic acid of transsulfurase influenced transsulfurase activity.

系统性地组合2种或3种具有促进转硫酶活性酚酸化合物在复合作用下对转硫酶活性之影响。

The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).

目前猎户座底部防热盾的首选是酚充填碳烧蚀挡板材（PICA），是一种埋在酚树脂中的碳纤维交叉结构。

There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.

一硝基甲苯是生产多种精细化工产品生产的中间体,工业用途广。

The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.

，利用十种酚类化合物为标准品，测定不同生长期与季节之狼尾草中的酚类化合物之变化。

Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.

苯醚型酚树脂是铸造用聚氨酯粘合剂的主要成份之一,它的结构及合成工艺条件决定了该类粘合剂性能。

A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

苯酚与甲在碱性条件下经加成、缩合制得可发性酚树脂，该树脂和表面活性剂、发泡剂、固化剂一起发泡即得酚泡沫。

Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

摘要青麻成熟组织中酚类、黄酮类等次生代谢物较多，要从中提取出高纯度的DNA比较困难。

A new phenolic compound from Crinum asiaticum L.

Zhang Wei-dong(通讯作者),et al.

The research showed a lot of functional ingredients such as anthocyanin, phenolic acid, polysaccharide, proanthocyanidin.

荔枝果核或果皮萃取物具有抗氧化、抗炎症、抗诱变、预防糖尿病、降血脂以及其它生理功能。

Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

采用腈、羧基腈、、吡四种胶乳改性酚醛树脂。

Main ingredients of Epimedium are flavonoids, phenolic glycosides, polysaccharides, chromone, alkaloids.But mainly research concentrated in flavonoid.

淫羊藿中主要成分有黄酮类、酚苷类、多糖、色酮类、生物碱类等，但主要集中在黄酮类研究。

This paper summarizes the preparation method, performance, progress of application and direction of studying phenolic resin acticarbon.

概述了酚醛树脂基活性炭制备方法、性能及其应用进展和主要研究方向。

The recombination action assembled systematically in 2-3 compounds with active phenolic acid of transsulfurase influenced transsulfurase activity.

系统性地组合2种或3种具有促进转硫酶活性酚酸化合物在复合作用下对转硫酶活性之影响。

The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).

目前猎户座底部防热盾是酚充填碳烧蚀挡板材料（PICA），是一种埋在酚树脂中碳纤维交叉结构。

There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.

一硝基甲是生产多种精细化工产品生产中间体,工业用途广泛。

The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.

另外，利用十种酚类化合物为标准品，测定不同生长期与季节之狼尾草中酚类化合物之变化。

Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.

醚型酚醛树脂是铸造用聚氨酯粘合剂主要成份之一,它结构及合成工艺条件决定了该类粘合剂性能。

A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

酚与甲醛在碱性条件下经加成、缩合制得可发性酚醛树脂，该树脂和表面活性剂、发泡剂、固化剂一起发泡即得酚醛泡沫塑料。

Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

摘要青麻成熟组织中酚类、黄酮类等次生代谢物较多，要从中提取出高纯度DNA比较困难。

A new phenolic compound from Crinum asiaticum L.

Zhang Wei-dong(通讯作者),et al.

The research showed a lot of functional ingredients such as anthocyanin, phenolic acid, polysaccharide, proanthocyanidin.

荔枝果核或果皮的萃取物具有抗氧化、抗炎症、抗诱变、预防糖尿病、降血脂以其它生理功。

Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

采用丁腈、羧基丁腈、丁苯、丁吡四种胶乳改酚醛树脂。

Main ingredients of Epimedium are flavonoids, phenolic glycosides, polysaccharides, chromone, alkaloids.But mainly research concentrated in flavonoid.

淫羊藿中主要成分有黄酮类、酚苷类、多糖、色酮类、生物碱类等，但主要集中在黄酮类的研究。

This paper summarizes the preparation method, performance, progress of application and direction of studying phenolic resin acticarbon.

概述了酚醛树脂基活炭的法、其应用进展和主要研究向。

The recombination action assembled systematically in 2-3 compounds with active phenolic acid of transsulfurase influenced transsulfurase activity.

系统地组合2种或3种具有促进转硫酶活酚酸化合物在复合作用下对转硫酶活之影响。

The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).

目前猎户座底部防热盾的首选是酚充填碳烧蚀挡板材料（PICA），是一种埋在酚树脂中的碳纤维交叉结构。

There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.

一硝基甲苯是生产多种精细化工产品生产的中间体,工业用途广泛。

The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.

另外，利用十种酚类化合物为标准品，测定不同生长期与季节之狼尾草中的酚类化合物之变化。

Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.

苯醚型酚醛树脂是铸造用聚氨酯粘合剂的主要成份之一,它的结构合成工艺条件决定了该类粘合剂。

A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

苯酚与甲醛在碱条件下经加成、缩合得可发酚醛树脂，该树脂和表面活剂、发泡剂、固化剂一起发泡即得酚醛泡沫塑料。

Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

摘要青麻成熟组织中酚类、黄酮类等次生代谢物较多，要从中提取出高纯度的DNA比较困难。

A new phenolic compound from Crinum asiaticum L.

Zhang Wei-dong(通讯作者),et al.

The research showed a lot of functional ingredients such as anthocyanin, phenolic acid, polysaccharide, proanthocyanidin.

荔枝果核或果皮的萃取物具有抗氧化、抗炎症、抗诱变、预防糖尿病、降血脂以及其它生理功能。

Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

采用丁、丁、丁苯、丁吡四种胶乳改性酚醛树脂。

Main ingredients of Epimedium are flavonoids, phenolic glycosides, polysaccharides, chromone, alkaloids.But mainly research concentrated in flavonoid.

淫羊藿中主要成分有黄酮类、酚苷类、多糖、色酮类、生物碱类等，但主要集中在黄酮类的研究。

This paper summarizes the preparation method, performance, progress of application and direction of studying phenolic resin acticarbon.

概述了酚醛树脂活性炭的制备方法、性能及其应用进展和主要研究方向。

The recombination action assembled systematically in 2-3 compounds with active phenolic acid of transsulfurase influenced transsulfurase activity.

系统性地组合2种或3种具有促进转硫酶活性酚酸化合物在复合作用下对转硫酶活性之影响。

The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).

目前猎户座底部防热盾的首选是酚烧蚀挡板材料（PICA），是一种埋在酚树脂中的纤维交叉结构。

There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.

一硝甲苯是生产多种精细化工产品生产的中间体,工业用途广泛。

The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.

另外，利用十种酚类化合物为标准品，测定不同生长期与季节之狼尾草中的酚类化合物之变化。

Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.

苯醚型酚醛树脂是铸造用聚氨酯粘合剂的主要成份之一,它的结构及合成工艺条件决定了该类粘合剂性能。

A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

苯酚与甲醛在碱性条件下经加成、缩合制得可发性酚醛树脂，该树脂和表面活性剂、发泡剂、固化剂一起发泡即得酚醛泡沫塑料。

Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

摘要青麻成熟组织中酚类、黄酮类等次生代谢物较多，要从中提取出高纯度的DNA比较困难。

A new phenolic compound from Crinum asiaticum L.

Zhang Wei-dong(通讯作者),et al.

The research showed a lot of functional ingredients such as anthocyanin, phenolic acid, polysaccharide, proanthocyanidin.

荔枝果核或果皮的萃取具有抗氧、抗炎症、抗诱变、预防尿病、降血脂以及其它生理功能。

Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

采用丁腈、羧基丁腈、丁苯、丁吡四种胶乳改性酚醛树脂。

Main ingredients of Epimedium are flavonoids, phenolic glycosides, polysaccharides, chromone, alkaloids.But mainly research concentrated in flavonoid.

淫羊藿中主要成分有黄酮、酚苷、、色酮、生碱等，但主要集中在黄酮的研究。

This paper summarizes the preparation method, performance, progress of application and direction of studying phenolic resin acticarbon.

概述了酚醛树脂基活性炭的制备方法、性能及其应用进展和主要研究方向。

The recombination action assembled systematically in 2-3 compounds with active phenolic acid of transsulfurase influenced transsulfurase activity.

系统性地组2种或3种具有促进转硫酶活性酚酸在复作用下对转硫酶活性之影响。

The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).

目前猎户座底部防热盾的首选是酚充填碳烧蚀挡板材料（PICA），是一种埋在酚树脂中的碳纤维交叉结构。

There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.

一硝基甲苯是生产种精细工产品生产的中间体,工业用途广泛。

The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.

另外，利用十种酚为标准品，测定不同生长期与季节之狼尾草中的酚之变。

Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.

苯醚型酚醛树脂是铸造用聚氨酯粘剂的主要成份之一,它的结构及成工艺条件决定了该粘剂性能。

A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

苯酚与甲醛在碱性条件下经加成、缩制得可发性酚醛树脂，该树脂和表面活性剂、发泡剂、固剂一起发泡即得酚醛泡沫塑料。

Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

摘要青麻成熟组织中酚、黄酮等次生代谢较，要从中提取出高纯度的DNA比较困难。

A new phenolic compound from Crinum asiaticum L.

Zhang Wei-dong(通讯作者),et al.

The research showed a lot of functional ingredients such as anthocyanin, phenolic acid, polysaccharide, proanthocyanidin.

荔枝果核或果皮的萃取物具有抗氧化、抗炎症、抗诱变、预防糖尿病、降血脂以及其它生理。

Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

用丁腈、羧基丁腈、丁苯、丁吡四种胶乳改性酚醛树脂。

Main ingredients of Epimedium are flavonoids, phenolic glycosides, polysaccharides, chromone, alkaloids.But mainly research concentrated in flavonoid.

淫羊藿中主要成分有黄酮类、酚苷类、多糖、色酮类、生物碱类等，但主要集中在黄酮类的研究。

This paper summarizes the preparation method, performance, progress of application and direction of studying phenolic resin acticarbon.

概述了酚醛树脂基活性炭的制备方法、性及其应用进展和主要研究方向。

The recombination action assembled systematically in 2-3 compounds with active phenolic acid of transsulfurase influenced transsulfurase activity.

系统性地组合2种或3种具有促进转硫酶活性酚酸化合物在复合作用下对转硫酶活性之影响。

The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).

目前猎户座底部防热盾的首选是酚充填碳烧蚀料（PICA），是一种埋在酚树脂中的碳纤维交叉结构。

There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.

一硝基甲苯是生产多种精细化工产品生产的中间体,工业用途广泛。

The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.

另外，利用十种酚类化合物为标准品，测定不同生长期与季节之狼尾草中的酚类化合物之变化。

Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.

苯醚型酚醛树脂是铸造用聚氨酯粘合剂的主要成份之一,它的结构及合成工艺条件决定了该类粘合剂性。

A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

苯酚与甲醛在碱性条件下经加成、缩合制得可发性酚醛树脂，该树脂和表面活性剂、发泡剂、固化剂一起发泡即得酚醛泡沫塑料。

Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

摘要青麻成熟组织中酚类、黄酮类等次生代谢物较多，要从中提取出高纯度的DNA比较困难。

A new phenolic compound from Crinum asiaticum L.

Zhang Wei-dong(通讯作者),et al.

The research showed a lot of functional ingredients such as anthocyanin, phenolic acid, polysaccharide, proanthocyanidin.

荔枝果核或果皮的萃取物具有抗氧化、抗炎症、抗诱变、预防糖尿病、降血以及其它生理功能。

Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

采用丁腈、羧基丁腈、丁苯、丁吡四种胶乳改性酚。

Main ingredients of Epimedium are flavonoids, phenolic glycosides, polysaccharides, chromone, alkaloids.But mainly research concentrated in flavonoid.

淫羊藿中成分有黄酮类、酚苷类、多糖、色酮类、生物碱类等，但集中在黄酮类的研究。

This paper summarizes the preparation method, performance, progress of application and direction of studying phenolic resin acticarbon.

概述了酚基活性炭的制备方法、性能及其应用进展研究方向。

The recombination action assembled systematically in 2-3 compounds with active phenolic acid of transsulfurase influenced transsulfurase activity.

系统性地组合2种或3种具有促进转硫酶活性酚酸化合物在复合作用下对转硫酶活性之影响。

The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).

目前猎户座底部防热盾的首选是酚充填碳烧蚀挡板材料（PICA），是一种埋在酚中的碳纤维交叉结构。

There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.

一硝基甲苯是生产多种精细化工产品生产的中间体,工业用途广泛。

The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.

另外，利用十种酚类化合物为标准品，测定不同生长期与季节之狼尾草中的酚类化合物之变化。

Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.

苯醚型酚是铸造用聚氨酯粘合剂的成份之一,它的结构及合成工艺条件决定了该类粘合剂性能。

A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

苯酚与甲在碱性条件下经加成、缩合制得可发性酚，该表面活性剂、发泡剂、固化剂一起发泡即得酚泡沫塑料。

Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

摘青麻成熟组织中酚类、黄酮类等次生代谢物较多，从中提取出高纯度的DNA比较困难。