A new type of hydrophobe for latex paints has been developed using silicone and paraffin.

本文以有机硅和石蜡为主要原料,制备一乳液型乳胶漆用疏水。

The use of fluorated water-repellent is investigated with the aim to Proban process for vinylon canvas.

探讨用含氟拒水对普鲁班阻燃维纶帆布进行拒水整理。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一脱水,采用DCC脱水缩合,反应条件温和,合成收率通常较。

The determination the dissolvability of dissolve of alumine in calcium aluminate for water clarifying agent are introduced in this paper.

生产净水聚合铝所用原料中的氧化铝溶出率＊的测定方法。

The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.

选用24%氨氯吡啶酸水,对林地一年生及多年生阔叶杂草、灌木进行防除试验。

Potted plant experiment was used in studying the effect of 7% glyphosate aqueous solution at five concentrations on soil salinize and alkalize.

通过室内盆栽模拟实验,研5浓度的7%草甘膦水对土壤盐化和碱化的影响。

The production methods and technical features of monosilane, silicone oil, silicone water-proofing agent and silicone resin using the high boiling silane were described.

简述利用硅烷沸物制备单硅烷、硅油、有机硅防水、有机硅树脂、消泡等产品的生产方法及技术特点。

Moreover, the analysis of the high performance reducing agent series skeletons of condensational sulfoacid series high performance reducing series is obtained in the paper.

同时还对缩聚型磺酸系列效减水的骨架及其关系作分析讨论。

Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.

利用氧化铝厂工业废渣生产的改性铝酸钙净水兼有混凝和脱盐两功能。

Compund polymer with alumium polychloride and ferrous polysulfate as its main ingredients was used as water scavenging agent in the treatment of dye-house waste water.

用以聚合氯化铝、聚合硫酸铁为主的复合聚合物作净水,处理印染废水。

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作用下的缩醛化反应进行研,考察醇醛比、反应时间、催化用量、带水类和体积等因素对苯甲醛1,3-丁二醇缩醛收率的影响。

Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.

以风化褐煤为原料制备腐植酸(HA),将HA与普通型保水(PSA)复合,获得HA型保水(HA-PSA)。

SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一特别渗透性配方的防水，有效于保护大理石、花岗岩、天然石材等。防止水印及水渍呈现于石材表面，并可防止污渍渗入表面、冰霜侵入及防止风化。

A new type of hydrophobe for latex paints has been developed using silicone and paraffin.

本文以有机硅和石蜡为主要原料,制备了一种乳液型乳胶漆用疏水。

The use of fluorated water-repellent is investigated with the aim to Proban process for vinylon canvas.

探讨了用含氟拒水对普鲁班阻燃维纶帆布进行拒水整理。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一种脱水,采用DCC脱水缩合,反应条件温和,合成收率通常较高。

The determination the dissolvability of dissolve of alumine in calcium aluminate for water clarifying agent are introduced in this paper.

介绍生产净水聚合所用原料中的氧化溶出率＊的测定方法。

The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.

选用24%氨氯吡啶水,对林地一年生及多年生阔叶杂草、灌木进行防除试验。

Potted plant experiment was used in studying the effect of 7% glyphosate aqueous solution at five concentrations on soil salinize and alkalize.

通过室内盆栽模拟实验,研究了5种浓度的7%草甘膦水对土壤盐化和碱化的影响。

The production methods and technical features of monosilane, silicone oil, silicone water-proofing agent and silicone resin using the high boiling silane were described.

简述了利用硅烷高沸物制备单硅烷、硅油、有机硅防水、有机硅树脂、消泡等产品的生产方法及技术特点。

Moreover, the analysis of the high performance reducing agent series skeletons of condensational sulfoacid series high performance reducing series is obtained in the paper.

同时还对缩聚型磺系列高效减水的骨架及其关系作了分析讨论。

Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.

利用氧化厂工业废渣生产的改钙净水兼有混凝和脱盐两种功能。

Compund polymer with alumium polychloride and ferrous polysulfate as its main ingredients was used as water scavenging agent in the treatment of dye-house waste water.

用以聚合氯化、聚合硫铁为主的复合聚合物作净水,处理印染废水。

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、催化用量、带水种类和体积等因素对苯甲醛1,3-丁二醇缩醛收率的影响。

Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.

以风化褐煤为原料制备腐植(HA),将HA与普通型保水(PSA)复合,获得HA型保水(HA-PSA)。

SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一种特别渗透配方的防水，有效于保护大理石、花岗岩、天然石材等。防止水印及水渍呈现于石材表面，并可防止污渍渗入表面、冰霜侵入及防止风化。

A new type of hydrophobe for latex paints has been developed using silicone and paraffin.

本文以有机硅和石蜡为主要原料,制备一乳液型乳胶漆用疏水。

The use of fluorated water-repellent is investigated with the aim to Proban process for vinylon canvas.

探讨用含氟拒水对普鲁班阻燃维纶帆布进行拒水整理。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一脱水,采用DCC脱水缩合,反应条件温和,合成收率通常。

The determination the dissolvability of dissolve of alumine in calcium aluminate for water clarifying agent are introduced in this paper.

绍生产净水聚合铝所用原料中的氧化铝溶出率＊的测定方法。

The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.

选用24%氨氯吡啶酸水,对林地一年生及多年生阔叶杂草、灌木进行防除试验。

Potted plant experiment was used in studying the effect of 7% glyphosate aqueous solution at five concentrations on soil salinize and alkalize.

通过室内盆栽模拟实验,研究5度的7%草甘膦水对土壤盐化和碱化的影响。

The production methods and technical features of monosilane, silicone oil, silicone water-proofing agent and silicone resin using the high boiling silane were described.

简述利用硅烷沸物制备单硅烷、硅油、有机硅防水、有机硅树脂、消泡等产品的生产方法及技术特点。

Moreover, the analysis of the high performance reducing agent series skeletons of condensational sulfoacid series high performance reducing series is obtained in the paper.

同时还对缩聚型磺酸系列效减水的骨架及其关系作分析讨论。

Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.

利用氧化铝厂工业废渣生产的改性铝酸钙净水兼有混凝和脱盐两功能。

Compund polymer with alumium polychloride and ferrous polysulfate as its main ingredients was used as water scavenging agent in the treatment of dye-house waste water.

用以聚合氯化铝、聚合硫酸铁为主的复合聚合物作净水,处理印染废水。

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作用下的缩醛化反应进行研究,考察醇醛比、反应时间、催化用量、带水类和体积等因素对苯甲醛1,3-丁二醇缩醛收率的影响。

Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.

以风化褐煤为原料制备腐植酸(HA),将HA与普通型保水(PSA)复合,获得HA型保水(HA-PSA)。

SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一特别渗透性配方的防水，有效于保护大理石、花岗岩、天然石材等。防止水印及水渍呈现于石材表面，并可防止污渍渗入表面、冰霜侵入及防止风化。

A new type of hydrophobe for latex paints has been developed using silicone and paraffin.

本文以有机硅石蜡为主要原料,制备了一种乳液型乳胶漆用疏水。

The use of fluorated water-repellent is investigated with the aim to Proban process for vinylon canvas.

探讨了用含氟拒水普鲁班阻燃维纶帆布进行拒水整理。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一种脱水,采用DCC脱水缩合,反应条件,合成收率通常较高。

The determination the dissolvability of dissolve of alumine in calcium aluminate for water clarifying agent are introduced in this paper.

介绍生产净水聚合铝所用原料中的氧化铝溶出率＊的测定方法。

The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.

选用24%氨氯吡啶酸水,林地一年生及多年生阔叶杂草、灌木进行防除试验。

Potted plant experiment was used in studying the effect of 7% glyphosate aqueous solution at five concentrations on soil salinize and alkalize.

通过室内盆栽模拟实验,研究了5种浓度的7%草甘膦水壤盐化碱化的影响。

The production methods and technical features of monosilane, silicone oil, silicone water-proofing agent and silicone resin using the high boiling silane were described.

简述了利用硅烷高沸物制备单硅烷、硅油、有机硅防水、有机硅树脂、消泡等产品的生产方法及技术特点。

Moreover, the analysis of the high performance reducing agent series skeletons of condensational sulfoacid series high performance reducing series is obtained in the paper.

同时还缩聚型磺酸系列高效减水的骨架及其关系作了分析讨论。

Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.

利用氧化铝厂工业废渣生产的改性铝酸钙净水兼有混凝脱盐两种功能。

Compund polymer with alumium polychloride and ferrous polysulfate as its main ingredients was used as water scavenging agent in the treatment of dye-house waste water.

用以聚合氯化铝、聚合硫酸铁为主的复合聚合物作净水,处理印染废水。

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.

苯甲醛与1,3-丁二醇在钒磷氧催化作用下的缩醛化反应进行了研究,考察了醇醛比、反应时间、催化用量、带水种类体积等因素苯甲醛1,3-丁二醇缩醛收率的影响。

Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.

以风化褐煤为原料制备腐植酸(HA),将HA与普通型保水(PSA)复合,获得HA型保水(HA-PSA)。

SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一种特别渗透性配方的防水，有效于保护大理石、花岗岩、天然石材等。防止水印及水渍呈现于石材表面，并可防止污渍渗入表面、冰霜侵入及防止风化。

A new type of hydrophobe for latex paints has been developed using silicone and paraffin.

本文以有机硅石蜡为主要原料,制备了一种乳液型乳胶漆用疏水。

The use of fluorated water-repellent is investigated with the aim to Proban process for vinylon canvas.

探讨了用含氟拒水普鲁班阻燃维纶帆布进行拒水整理。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一种脱水,采用DCC脱水缩合,反应条件,合成收率通常较高。

The determination the dissolvability of dissolve of alumine in calcium aluminate for water clarifying agent are introduced in this paper.

介绍生产净水聚合铝所用原料中的氧化铝溶出率＊的测定方法。

The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.

选用24%氨氯吡啶酸水,林地一年生及多年生阔叶杂草、灌木进行防除试验。

Potted plant experiment was used in studying the effect of 7% glyphosate aqueous solution at five concentrations on soil salinize and alkalize.

通过室内盆栽模拟实验,研究了5种浓度的7%草甘膦水壤盐化碱化的影响。

The production methods and technical features of monosilane, silicone oil, silicone water-proofing agent and silicone resin using the high boiling silane were described.

简述了利用硅烷高沸物制备单硅烷、硅油、有机硅防水、有机硅树脂、消泡等产品的生产方法及技术特点。

Moreover, the analysis of the high performance reducing agent series skeletons of condensational sulfoacid series high performance reducing series is obtained in the paper.

同时还缩聚型磺酸系列高效减水的骨架及其关系作了分析讨论。

Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.

利用氧化铝厂工业废渣生产的改性铝酸钙净水兼有混凝脱盐两种功能。

Compund polymer with alumium polychloride and ferrous polysulfate as its main ingredients was used as water scavenging agent in the treatment of dye-house waste water.

用以聚合氯化铝、聚合硫酸铁为主的复合聚合物作净水,处理印染废水。

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.

苯甲醛与1,3-丁二醇在钒磷氧催化作用下的缩醛化反应进行了研究,考察了醇醛比、反应时间、催化用量、带水种类体积等因素苯甲醛1,3-丁二醇缩醛收率的影响。

Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.

以风化褐煤为原料制备腐植酸(HA),将HA与普通型保水(PSA)复合,获得HA型保水(HA-PSA)。

SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一种特别渗透性配方的防水，有效于保护大理石、花岗岩、天然石材等。防止水印及水渍呈现于石材表面，并可防止污渍渗入表面、冰霜侵入及防止风化。

A new type of hydrophobe for latex paints has been developed using silicone and paraffin.

本文以有机硅和石蜡为主要原,制备了一种乳液型乳胶漆用疏水。

The use of fluorated water-repellent is investigated with the aim to Proban process for vinylon canvas.

探讨了用含氟拒水对普鲁班阻燃维纶帆布进行拒水整理。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用一种脱水,采用DCC脱水缩合,反应条件温和,合成收率通常较高。

The determination the dissolvability of dissolve of alumine in calcium aluminate for water clarifying agent are introduced in this paper.

介绍生产净水聚合铝所用原氧化铝溶出率＊测定方法。

The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.

选用24%氨氯吡啶酸水,对林地一年生及多年生阔叶杂草、灌木进行防。

Potted plant experiment was used in studying the effect of 7% glyphosate aqueous solution at five concentrations on soil salinize and alkalize.

通过室内盆栽模拟实,研究了5种浓度7%草甘膦水对土壤盐化和碱化影响。

The production methods and technical features of monosilane, silicone oil, silicone water-proofing agent and silicone resin using the high boiling silane were described.

简述了利用硅烷高沸物制备单硅烷、硅油、有机硅防水、有机硅树脂、消泡等产品生产方法及技术特点。

Moreover, the analysis of the high performance reducing agent series skeletons of condensational sulfoacid series high performance reducing series is obtained in the paper.

同时还对缩聚型磺酸系列高效减水骨架及其关系作了分析讨论。

Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.

利用氧化铝厂工业废渣生产改性铝酸钙净水兼有混凝和脱盐两种功能。

Compund polymer with alumium polychloride and ferrous polysulfate as its main ingredients was used as water scavenging agent in the treatment of dye-house waste water.

用以聚合氯化铝、聚合硫酸铁为主复合聚合物作净水,处理印染废水。

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、催化用量、带水种类和体积等因素对苯甲醛1,3-丁二醇缩醛收率影响。

Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.

以风化褐煤为原制备腐植酸(HA),将HA与普通型保水(PSA)复合,获得HA型保水(HA-PSA)。

SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一种特别渗透性配方防水，有效于保护大理石、花岗岩、天然石材等。防止水印及水渍呈现于石材表面，并可防止污渍渗入表面、冰霜侵入及防止风化。

A new type of hydrophobe for latex paints has been developed using silicone and paraffin.

本文以有机硅和石蜡为主要原料,制备了一种乳液型乳胶漆用疏。

The use of fluorated water-repellent is investigated with the aim to Proban process for vinylon canvas.

探讨了用含氟拒普鲁班阻燃维纶帆布进行拒整理。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一种脱,采用DCC脱缩合,反应条件温和,合成收率通常较高。

The determination the dissolvability of dissolve of alumine in calcium aluminate for water clarifying agent are introduced in this paper.

介绍生产净聚合铝所用原料中的氧化铝溶出率＊的测定方法。

The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.

选用24%氨氯吡啶酸,林地一年生及多年生阔叶杂草、灌木进行防除试验。

Potted plant experiment was used in studying the effect of 7% glyphosate aqueous solution at five concentrations on soil salinize and alkalize.

通过室内盆栽模拟实验,研究了5种浓度的7%草甘膦土壤盐化和碱化的影响。

The production methods and technical features of monosilane, silicone oil, silicone water-proofing agent and silicone resin using the high boiling silane were described.

简述了利用硅烷高沸物制备单硅烷、硅油、有机硅防、有机硅树脂、消泡等产品的生产方法及点。

Moreover, the analysis of the high performance reducing agent series skeletons of condensational sulfoacid series high performance reducing series is obtained in the paper.

同时还缩聚型磺酸系列高效减的骨架及其关系作了分析讨论。

Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.

利用氧化铝厂工业废渣生产的改性铝酸钙净兼有混凝和脱盐两种功能。

Compund polymer with alumium polychloride and ferrous polysulfate as its main ingredients was used as water scavenging agent in the treatment of dye-house waste water.

用以聚合氯化铝、聚合硫酸铁为主的复合聚合物作净,处理印染废。

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.

苯甲醛与1,3-丁二醇在钒磷氧催化作用下的缩醛化反应进行了研究,考察了醇醛比、反应时间、催化用量、带种类和体积等因素苯甲醛1,3-丁二醇缩醛收率的影响。

Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.

以风化褐煤为原料制备腐植酸(HA),将HA与普通型保(PSA)复合,获得HA型保(HA-PSA)。

SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一种别渗透性配方的防，有效于保护大理石、花岗岩、天然石材等。防止印及渍呈现于石材表面，并可防止污渍渗入表面、冰霜侵入及防止风化。

A new type of hydrophobe for latex paints has been developed using silicone and paraffin.

本文以有机硅和石蜡为主要原料,制备了一种乳液型乳胶漆用疏水。

The use of fluorated water-repellent is investigated with the aim to Proban process for vinylon canvas.

探讨了用含氟拒水对普鲁班阻燃维纶帆布进行拒水整理。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一种脱水,采用DCC脱水缩合,反应条件温和,合成收率通常较高。

The determination the dissolvability of dissolve of alumine in calcium aluminate for water clarifying agent are introduced in this paper.

介绍产净水聚合铝所用原料中的氧化铝溶出率＊的测定方法。

The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.

选用24%氨氯吡啶酸水,对林地一年及多年阔叶杂草、灌木进行防除试验。

Potted plant experiment was used in studying the effect of 7% glyphosate aqueous solution at five concentrations on soil salinize and alkalize.

通过室内盆栽模拟实验,研究了5种浓度的7%草甘膦水对土壤盐化和碱化的影响。

The production methods and technical features of monosilane, silicone oil, silicone water-proofing agent and silicone resin using the high boiling silane were described.

简述了利用硅烷高沸物制备单硅烷、硅油、有机硅防水、有机硅树脂、消泡等产品的产方法及技术特点。

Moreover, the analysis of the high performance reducing agent series skeletons of condensational sulfoacid series high performance reducing series is obtained in the paper.

同时还对缩聚型磺酸系列高效减水的骨架及其关系作了分析讨论。

Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.

利用氧化铝厂工业产的改性铝酸钙净水兼有混凝和脱盐两种功能。

Compund polymer with alumium polychloride and ferrous polysulfate as its main ingredients was used as water scavenging agent in the treatment of dye-house waste water.

用以聚合氯化铝、聚合硫酸铁为主的复合聚合物作净水,处理印染水。

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、催化用量、带水种类和体积等因素对苯甲醛1,3-丁二醇缩醛收率的影响。

Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.

以风化褐煤为原料制备腐植酸(HA),将HA与普通型保水(PSA)复合,获得HA型保水(HA-PSA)。

SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一种特别渗透性配方的防水，有效于保护大理石、花岗岩、天然石材等。防止水印及水渍呈现于石材表面，并可防止污渍渗入表面、冰霜侵入及防止风化。

A new type of hydrophobe for latex paints has been developed using silicone and paraffin.

本文以有机硅石蜡为主要原料,制备了一种乳液型乳胶漆用疏水。

The use of fluorated water-repellent is investigated with the aim to Proban process for vinylon canvas.

探讨了用含氟拒水对普鲁班阻燃维纶帆布进行拒水整理。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二亚胺(DCC)是酯、酰胺等应常用的一种脱水,采用DCC脱水,应条件温,成收率通常较高。

The determination the dissolvability of dissolve of alumine in calcium aluminate for water clarifying agent are introduced in this paper.

介绍生产净水聚铝所用原料中的氧铝溶出率＊的测定方法。

The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.

选用24%氨氯吡啶酸水,对林地一年生及多年生阔叶杂草、灌木进行防除试验。

Potted plant experiment was used in studying the effect of 7% glyphosate aqueous solution at five concentrations on soil salinize and alkalize.

通过室内盆栽模拟实验,研究了5种浓度的7%草甘膦水对土壤盐的影响。

The production methods and technical features of monosilane, silicone oil, silicone water-proofing agent and silicone resin using the high boiling silane were described.

简述了利用硅烷高沸物制备单硅烷、硅油、有机硅防水、有机硅树脂、消泡等产品的生产方法及技术特点。

Moreover, the analysis of the high performance reducing agent series skeletons of condensational sulfoacid series high performance reducing series is obtained in the paper.

同时还对聚型磺酸系列高效减水的骨架及其关系作了分析讨论。

Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.

利用氧铝厂工业废渣生产的改性铝酸钙净水兼有混凝脱盐两种功能。

Compund polymer with alumium polychloride and ferrous polysulfate as its main ingredients was used as water scavenging agent in the treatment of dye-house waste water.

用以聚氯铝、聚硫酸铁为主的复聚物作净水,处理印染废水。

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-丁二醇在钒磷氧催作用下的醛应进行了研究,考察了醇醛比、应时间、催用量、带水种类体积等因素对苯甲醛1,3-丁二醇醛收率的影响。

Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.

以风褐煤为原料制备腐植酸(HA),将HA与普通型保水(PSA)复,获得HA型保水(HA-PSA)。

SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一种特别渗透性配方的防水，有效于保护大理石、花岗岩、天然石材等。防止水印及水渍呈现于石材表面，并可防止污渍渗入表面、冰霜侵入及防止风。