Cankered material can produce effluvial carcinogen aldehyde. 2.

腐烂的物质可以产生恶臭的致癌物质。

Objective To determine the toxicity and mutagenic effect of trichloroacetaldehyde.

了解三氯的毒性和致突变作用。

Paired electrosynthesis using glyoxylic acid as a model product has been studied in this paper.

以酸为模型产物，对配对电解合成技术进行了研究。

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，少量副产物是环氧苯烷和苯等。

Decanoyl Acetaldehyde Sodium Sulfite。

癸酰亚硫酸氢钠。

Aldehyde dehydrogenase is a kind of endoenzyme,and cell disruption is the major step in its extraction from Saccharomyces ceravisia.

脱氢酶(ALDH)是一种胞内酶,在从酵母中分离提取ALDH的程中,破碎细胞是其中的关键步骤之一。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如醇的反应产物包括，酸酯，酸酯，缩等一系列有害物质。

The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

研究了SAS型固体酸和几种分子筛上氧化苯烯液相重排成苯的反应,考察了催化剂的活性、选择性和和稳定性。

Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.

调查报告中说，在法国家居中普遍存在的化学污染物是、、酞酸盐和敌敌畏。

A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde (MA) into the clouds on a large scale.

为了地面利用小火箭有效地对云大量撒播介,我们设计了一种用TNT分散介的药桂。

Citronellyl oxyacetaldehyde with thick and intense rose and lily note is widely used for waking up floral essences and a extremely precious synthetic perfume with wide applied perspective.

香茅氧基具有浓烈的百合和玫瑰样香气，可广泛用于调配玫瑰和百合等花香型香精，是一种极其珍贵的香抖，具有广泛的应用前景。

Recently, it has been shown that the Mitochondrial aldehyde dehydrogenase is responsible for the bioactivation of nitroglycerin prior to the release of NO, which is a strong vasodilator.

近来，有研究表明线粒体脱氢酶是体内催化硝酸甘油生物转化的主要途径，线粒体脱氢酶同时具有脱氢酶和酯酶的催化活性，其酯酶活性可以通将硝酸甘油脱硝形成一氧化氮，进而血管扩张。

Cankered material can produce effluvial carcinogen aldehyde. 2.

腐烂的物质可以产生恶臭的致癌物质醛。

Objective To determine the toxicity and mutagenic effect of trichloroacetaldehyde.

了解三氯醛的毒性和致突变作用。

Paired electrosynthesis using glyoxylic acid as a model product has been studied in this paper.

以醛酸为模型产物，对配对电解合成技术进行了研究。

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，少量副产物环氧苯烷和苯醛等。

Decanoyl Acetaldehyde Sodium Sulfite。

癸酰醛亚硫酸钠。

Aldehyde dehydrogenase is a kind of endoenzyme,and cell disruption is the major step in its extraction from Saccharomyces ceravisia.

醛脱(ALDH)种胞内,在从酵母中分离提取ALDH的程中,破碎细胞其中的关键步骤之。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

醇的反应产物包括醛，酸酯，酸甲酯，缩醛等系列有害物质。

The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

研究了SAS型固体酸和几种分子筛上氧化苯烯液相重排成苯醛的反应,考察了催化剂的活性、选择性和和稳定性。

Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.

调查报告中说，在法国家居中普遍存在的化学污染物甲醛、醛、酞酸盐和敌敌畏。

A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde (MA) into the clouds on a large scale.

为了地面利用小火箭有效地对云大量撒播介醛,我们设计了种用TNT分散介醛的药桂。

Citronellyl oxyacetaldehyde with thick and intense rose and lily note is widely used for waking up floral essences and a extremely precious synthetic perfume with wide applied perspective.

香茅氧基醛具有浓烈的百合和玫瑰样香气，可广泛用于调配玫瑰和百合等花香型香精，种极其珍贵的香抖，具有广泛的应用前景。

Recently, it has been shown that the Mitochondrial aldehyde dehydrogenase is responsible for the bioactivation of nitroglycerin prior to the release of NO, which is a strong vasodilator.

近来，有研究表明线粒体醛脱体内催化硝酸甘油生物转化的主要途径，线粒体醛脱同时具有脱和酯的催化活性，其酯活性可以通将硝酸甘油脱硝形成氧化氮，进而血管扩张。

Cankered material can produce effluvial carcinogen aldehyde. 2.

腐烂的物质可以产生恶臭的致癌物质乙醛。

Objective To determine the toxicity and mutagenic effect of trichloroacetaldehyde.

了解三氯乙醛的毒性致突变作用。

Paired electrosynthesis using glyoxylic acid as a model product has been studied in this paper.

以乙醛为模型产物，对配对电解合成技术进行了研究。

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醛，少量副产物是环氧乙乙醛等。

Decanoyl Acetaldehyde Sodium Sulfite。

癸酰乙醛亚硫氢钠。

Aldehyde dehydrogenase is a kind of endoenzyme,and cell disruption is the major step in its extraction from Saccharomyces ceravisia.

乙醛脱氢酶(ALDH)是一种胞内酶,在从酵母中分离提取ALDH的程中,破碎细胞是其中的关键步骤之一。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如乙醇的反应产物包括乙醛，乙乙，乙，缩醛等一系列有害物质。

The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

研究了SAS型固体几种分子筛上氧化乙烯液相重排成乙醛的反应,考察了催化剂的活性、选择性稳定性。

Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.

调查报告中说，在法国家居中普遍存在的化学污染物是醛、乙醛、酞盐敌敌畏。

A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde (MA) into the clouds on a large scale.

为了地面利用小火箭有效地对云大量撒播介乙醛,我们设计了一种用TNT分散介乙醛的药桂。

Citronellyl oxyacetaldehyde with thick and intense rose and lily note is widely used for waking up floral essences and a extremely precious synthetic perfume with wide applied perspective.

香茅氧基乙醛具有浓烈的百合玫瑰样香气，可广泛用于调配玫瑰百合等花香型香精，是一种极其珍贵的香抖，具有广泛的应用前景。

Recently, it has been shown that the Mitochondrial aldehyde dehydrogenase is responsible for the bioactivation of nitroglycerin prior to the release of NO, which is a strong vasodilator.

近来，有研究表明线粒体乙醛脱氢酶是体内催化硝甘油生物转化的主要途径，线粒体乙醛脱氢酶同时具有脱氢酶酶的催化活性，其酶活性可以通将硝甘油脱硝形成一氧化氮，进而血管扩张。

Cankered material can produce effluvial carcinogen aldehyde. 2.

腐烂的物质可以生恶臭的致癌物质醛。

Objective To determine the toxicity and mutagenic effect of trichloroacetaldehyde.

了解三氯醛的毒性和致突变作用。

Paired electrosynthesis using glyoxylic acid as a model product has been studied in this paper.

以醛酸为模型物，对配对电解合成技术进行了研究。

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，少量副物是环氧苯烷和苯醛等。

Decanoyl Acetaldehyde Sodium Sulfite。

癸酰醛亚硫酸。

Aldehyde dehydrogenase is a kind of endoenzyme,and cell disruption is the major step in its extraction from Saccharomyces ceravisia.

醛脱酶(ALDH)是一种胞内酶,在从酵母中分离提取ALDH的程中,破碎细胞是其中的关键步骤之一。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如醇的物包括醛，酸酯，酸甲酯，缩醛等一系列有害物质。

The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

研究了SAS型固体酸和几种分子筛上氧化苯烯液相重排成苯醛的,考察了催化剂的活性、选择性和和稳定性。

Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.

调查报告中说，在法国家居中普遍存在的化学污染物是甲醛、醛、酞酸盐和敌敌畏。

A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde (MA) into the clouds on a large scale.

为了地面利用小火箭有效地对云大量撒播介醛,我们设计了一种用TNT分散介醛的药桂。

Citronellyl oxyacetaldehyde with thick and intense rose and lily note is widely used for waking up floral essences and a extremely precious synthetic perfume with wide applied perspective.

香茅氧基醛具有浓烈的百合和玫瑰样香气，可广泛用于调配玫瑰和百合等花香型香精，是一种极其珍贵的香抖，具有广泛的用前景。

Recently, it has been shown that the Mitochondrial aldehyde dehydrogenase is responsible for the bioactivation of nitroglycerin prior to the release of NO, which is a strong vasodilator.

近来，有研究表明线粒体醛脱酶是体内催化硝酸甘油生物转化的主要途径，线粒体醛脱酶同时具有脱酶和酯酶的催化活性，其酯酶活性可以通将硝酸甘油脱硝形成一氧化氮，进而血管扩张。

Cankered material can produce effluvial carcinogen aldehyde. 2.

腐烂的物质可以产恶臭的致癌物质乙醛。

Objective To determine the toxicity and mutagenic effect of trichloroacetaldehyde.

了解三氯乙醛的毒性和致突变作用。

Paired electrosynthesis using glyoxylic acid as a model product has been studied in this paper.

以乙醛为模型产物，对配对电解合成技术进行了研究。

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

发现该工艺中成苯甲醛，少量副产物是环氧苯乙烷和苯乙醛等。

Decanoyl Acetaldehyde Sodium Sulfite。

癸酰乙醛亚硫氢钠。

Aldehyde dehydrogenase is a kind of endoenzyme,and cell disruption is the major step in its extraction from Saccharomyces ceravisia.

乙醛脱氢酶(ALDH)是一种胞内酶,在从酵母中分离提取ALDH的程中,破碎细胞是其中的关键步骤之一。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如乙醇的反应产物包括乙醛，乙乙酯，乙甲酯，缩醛等一系列有害物质。

The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

研究了SAS型和几种分子筛上氧化苯乙烯液相重排成苯乙醛的反应,考察了催化剂的活性、选择性和和稳定性。

Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.

调查报告中说，在法国家居中普遍存在的化学污染物是甲醛、乙醛、酞盐和敌敌畏。

A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde (MA) into the clouds on a large scale.

为了地面利用小火箭有效地对云大量撒播介乙醛,我们设计了一种用TNT分散介乙醛的药桂。

Citronellyl oxyacetaldehyde with thick and intense rose and lily note is widely used for waking up floral essences and a extremely precious synthetic perfume with wide applied perspective.

香茅氧基乙醛具有浓烈的百合和玫瑰样香气，可广泛用于调配玫瑰和百合等花香型香精，是一种极其珍贵的香抖，具有广泛的应用前景。

Recently, it has been shown that the Mitochondrial aldehyde dehydrogenase is responsible for the bioactivation of nitroglycerin prior to the release of NO, which is a strong vasodilator.

近来，有研究表明线粒乙醛脱氢酶是内催化硝甘油物转化的途径，线粒乙醛脱氢酶同时具有脱氢酶和酯酶的催化活性，其酯酶活性可以通将硝甘油脱硝形成一氧化氮，进而血管扩张。

Cankered material can produce effluvial carcinogen aldehyde. 2.

腐烂的物质可以产生恶臭的致癌物质醛。

Objective To determine the toxicity and mutagenic effect of trichloroacetaldehyde.

了解三氯醛的毒性和致突变作用。

Paired electrosynthesis using glyoxylic acid as a model product has been studied in this paper.

以醛酸为模型产物，对配对电解合成技了研究。

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甲醛，少量副产物是环氧烷和醛等。

Decanoyl Acetaldehyde Sodium Sulfite。

癸酰醛亚硫酸氢钠。

Aldehyde dehydrogenase is a kind of endoenzyme,and cell disruption is the major step in its extraction from Saccharomyces ceravisia.

醛脱氢酶(ALDH)是一种胞内酶,在从酵母中分离提取ALDH的程中,破碎细胞是其中的关键步骤之一。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如醇的反应产物包括醛，酸酯，酸甲酯，缩醛等一系列有害物质。

The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

研究了SAS型固体酸和几种分子筛上氧化液相重排成醛的反应,考察了催化剂的活性、选择性和和稳定性。

Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.

调查报告中说，在法国家居中普遍存在的化学污染物是甲醛、醛、酞酸盐和敌敌畏。

A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde (MA) into the clouds on a large scale.

为了地面利用小火箭有效地对云大量撒播介醛,我们设计了一种用TNT分散介醛的药桂。

Citronellyl oxyacetaldehyde with thick and intense rose and lily note is widely used for waking up floral essences and a extremely precious synthetic perfume with wide applied perspective.

香茅氧基醛具有浓烈的百合和玫瑰样香气，可广泛用于调配玫瑰和百合等花香型香精，是一种极其珍贵的香抖，具有广泛的应用前景。

Recently, it has been shown that the Mitochondrial aldehyde dehydrogenase is responsible for the bioactivation of nitroglycerin prior to the release of NO, which is a strong vasodilator.

近来，有研究表明线粒体醛脱氢酶是体内催化硝酸甘油生物转化的主要途径，线粒体醛脱氢酶同时具有脱氢酶和酯酶的催化活性，其酯酶活性可以通将硝酸甘油脱硝形成一氧化氮，而血管扩张。

Cankered material can produce effluvial carcinogen aldehyde. 2.

腐烂的物质可产生恶臭的致癌物质。

Objective To determine the toxicity and mutagenic effect of trichloroacetaldehyde.

了解三氯的毒性和致突变作用。

Paired electrosynthesis using glyoxylic acid as a model product has been studied in this paper.

酸为模型产物，对配对电解合成技术进行了研究。

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，少量副产物是环氧苯烷和苯等。

Decanoyl Acetaldehyde Sodium Sulfite。

癸酰亚硫酸氢钠。

Aldehyde dehydrogenase is a kind of endoenzyme,and cell disruption is the major step in its extraction from Saccharomyces ceravisia.

脱氢酶(ALDH)是一种胞内酶,在从酵母中分离提取ALDH的程中,破碎细胞是其中的关键步骤之一。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如醇的反应产物包括，酸酯，酸甲酯，缩等一系列有害物质。

The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

研究了SAS型固体酸和几种分子筛上氧苯烯液相重排成苯的反应,考察了的活性、选择性和和稳定性。

Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.

调查报告中说，在法国家居中普遍存在的学污染物是甲、、酞酸盐和敌敌畏。

A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde (MA) into the clouds on a large scale.

为了地面利用小火箭有效地对云大量撒播介,我们设计了一种用TNT分散介的药桂。

Citronellyl oxyacetaldehyde with thick and intense rose and lily note is widely used for waking up floral essences and a extremely precious synthetic perfume with wide applied perspective.

香茅氧基具有浓烈的百合和玫瑰样香气，可广泛用于调配玫瑰和百合等花香型香精，是一种极其珍贵的香抖，具有广泛的应用前景。

Recently, it has been shown that the Mitochondrial aldehyde dehydrogenase is responsible for the bioactivation of nitroglycerin prior to the release of NO, which is a strong vasodilator.

近来，有研究表明线粒体脱氢酶是体内硝酸甘油生物转的主要途径，线粒体脱氢酶同时具有脱氢酶和酯酶的活性，其酯酶活性可通将硝酸甘油脱硝形成一氧氮，进而血管扩张。

Cankered material can produce effluvial carcinogen aldehyde. 2.

腐烂的物质可以产生恶臭的致癌物质乙醛。

Objective To determine the toxicity and mutagenic effect of trichloroacetaldehyde.

解三氯乙醛的毒性和致突变作用。

Paired electrosynthesis using glyoxylic acid as a model product has been studied in this paper.

以乙醛酸为模产物，对配对电解合技术进行研。

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。

Decanoyl Acetaldehyde Sodium Sulfite。

癸酰乙醛亚硫酸氢钠。

Aldehyde dehydrogenase is a kind of endoenzyme,and cell disruption is the major step in its extraction from Saccharomyces ceravisia.

乙醛脱氢酶(ALDH)是一种胞内酶,在从酵母中分离提取ALDH的程中,破碎细胞是其中的关键步骤之一。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如乙醇的反应产物包括乙醛，乙酸乙酯，乙酸酯，缩醛等一系列有害物质。

The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

研SAS固体酸和几种分子筛上氧化乙烯液相重排乙醛的反应,考察催化剂的活性、选择性和和稳定性。

Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.

调查报告中说，在法国家居中普遍存在的化学污染物是醛、乙醛、酞酸盐和敌敌畏。

A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde (MA) into the clouds on a large scale.

为地面利用小火箭有效地对云大量撒播介乙醛,我们设计一种用TNT分散介乙醛的药桂。

Citronellyl oxyacetaldehyde with thick and intense rose and lily note is widely used for waking up floral essences and a extremely precious synthetic perfume with wide applied perspective.

香茅氧基乙醛具有浓烈的百合和玫瑰样香气，可广泛用于调配玫瑰和百合等花香香精，是一种极其珍贵的香抖，具有广泛的应用前景。

Recently, it has been shown that the Mitochondrial aldehyde dehydrogenase is responsible for the bioactivation of nitroglycerin prior to the release of NO, which is a strong vasodilator.

近来，有研表明线粒体乙醛脱氢酶是体内催化硝酸甘油生物转化的主要途径，线粒体乙醛脱氢酶同时具有脱氢酶和酯酶的催化活性，其酯酶活性可以通将硝酸甘油脱硝形一氧化氮，进而血管扩张。

Cankered material can produce effluvial carcinogen aldehyde. 2.

腐烂的物质可以产生恶臭的致癌物质乙醛。

Objective To determine the toxicity and mutagenic effect of trichloroacetaldehyde.

了解三氯乙醛的毒性和致突变作用。

Paired electrosynthesis using glyoxylic acid as a model product has been studied in this paper.

以乙醛酸为模型产物，对配对电解合成技术进行了研究。

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，少量副产物苯乙烷和苯乙醛。

Decanoyl Acetaldehyde Sodium Sulfite。

癸酰乙醛亚硫酸氢钠。

Aldehyde dehydrogenase is a kind of endoenzyme,and cell disruption is the major step in its extraction from Saccharomyces ceravisia.

乙醛脱氢酶(ALDH)种胞内酶,在从酵母中分离提取ALDH的程中,破碎细胞其中的关键步骤之。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如乙醇的反应产物包括乙醛，乙酸乙酯，乙酸甲酯，缩醛列有害物质。

The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

研究了SAS型固体酸和几种分子筛上化苯乙烯液相重排成苯乙醛的反应,考察了催化剂的活性、选择性和和稳定性。

Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.

调查报告中说，在法国家居中普遍存在的化学污染物甲醛、乙醛、酞酸盐和敌敌畏。

A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde (MA) into the clouds on a large scale.

为了地面利用小火箭有效地对云大量撒播介乙醛,我们设计了种用TNT分散介乙醛的药桂。

Citronellyl oxyacetaldehyde with thick and intense rose and lily note is widely used for waking up floral essences and a extremely precious synthetic perfume with wide applied perspective.

香茅基乙醛具有浓烈的百合和玫瑰样香气，可广泛用于调配玫瑰和百合花香型香精，种极其珍贵的香抖，具有广泛的应用前景。

Recently, it has been shown that the Mitochondrial aldehyde dehydrogenase is responsible for the bioactivation of nitroglycerin prior to the release of NO, which is a strong vasodilator.

近来，有研究表明线粒体乙醛脱氢酶体内催化硝酸甘油生物转化的主要途径，线粒体乙醛脱氢酶同时具有脱氢酶和酯酶的催化活性，其酯酶活性可以通将硝酸甘油脱硝形成化氮，进而血管扩张。