The cold wind condenses vapor into rain.

冷风使水凝结成雨。

The surplus steam was blown off through the pipes.

多余的通过放掉了。

Water vapor is water in the form of a gas.

水是态的水。

Clouds are formations of condensed water vapour.

云是由凝聚的水构成的。

Some workmen arrived today with a steamroller.

今天有一些工人带着一台压路来了。

Expansion joints of various kinds are fitted on steam pipes.

各种各样的伸缩接头被安装在上了。

The preparation of activated carbons from xylogen by steam activation method is reviewed.

以烟秆为原料,经炭化后用水活化制备活性炭。

His glasses steamed up when he came into the warm room.

他一走进暖房, 眼镜就被蒙上一层水。

Steam has fogged the bathroom mirror.

水遮住浴室的镜子。

When nitric acid is poured on copper, a brown vapor gives off.

将硝酸在铜上, 会散发出一种棕色的。

Nitryl aromatic hydrocarbon affect environment and human health mainly by waste water, dust and smoke.

硝基芳烃主要通过废水、粉尘、等形式污染环境，影响人体健康。

Heat evaporates water into steam.

水受热变成水。

Who invented the steam engine?

谁发明了？

Steam has fogged my glasses.

使我的眼镜模糊不清。

Steam erupted from the geyser.

从热水锅炉里冒出。

The Cryophorus consists of a glass tube with a bulb on each end containing water and water vapor.

此冰晶体形成器是一细长玻璃两端并各有一玻璃球,球里有水和水。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适用酸（除发烟硫酸外）碱，，氨，，油品，有溶剂，化学腐蚀性介质的各种旋转泵，阀门的填料密封。

The intersolubility of DME and diesel including the measurements of saturated vapor pressure and cloud point were studied.

本文进行了几种不同配比的二甲醚/柴油混合燃料的互溶性(包括混合燃料的饱和压以及浊点的测量)及发动性能的试验研究，目的是寻求二甲醚在柴油中合适的添加比例，使柴油在尽量不作改动的情况下燃用混合燃料并获得良好的性能。

Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.

本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水馏获得的挥发油。

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研究土木香挥发油的化学成分,并比较水馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性成分的差异。

The cold wind condenses vapor into rain.

冷风使水蒸气结成雨。

The surplus steam was blown off through the pipes.

多余的蒸气通过管道放掉了。

Water vapor is water in the form of a gas.

水蒸气是气态的水。

Clouds are formations of condensed water vapour.

云是的水蒸气构成的。

Some workmen arrived today with a steamroller.

今天有些工人带着台蒸气压路机来了。

Expansion joints of various kinds are fitted on steam pipes.

各种各样的伸缩接头被安装在蒸气管道上了。

The preparation of activated carbons from xylogen by steam activation method is reviewed.

以烟秆为原料,经炭化后用水蒸气活化制备活性炭。

His glasses steamed up when he came into the warm room.

他走进暖房, 眼镜就被蒙上层水蒸气。

Steam has fogged the bathroom mirror.

水蒸气遮住浴室的镜子。

When nitric acid is poured on copper, a brown vapor gives off.

将硝酸在铜上, 会散发出种棕色的蒸气。

Nitryl aromatic hydrocarbon affect environment and human health mainly by waste water, dust and smoke.

硝基芳烃主要通过废水、粉尘、蒸气等形式污染环境，影响人体健康。

Heat evaporates water into steam.

水受热变成水蒸气。

Who invented the steam engine?

谁发明了蒸气机？

Steam has fogged my glasses.

蒸气使我的眼镜模糊不清。

Steam erupted from the geyser.

蒸气从热水锅炉里冒出。

The Cryophorus consists of a glass tube with a bulb on each end containing water and water vapor.

此冰晶体形成器是细长璃管两端并各有璃球,球里有水和水蒸气。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适用酸（除发烟硫酸外）碱，，氨，蒸气，油品，有机溶剂，化学腐蚀性介质的各种旋转泵，阀门的填料密封。

The intersolubility of DME and diesel including the measurements of saturated vapor pressure and cloud point were studied.

本文进行了几种不同配比的二甲醚/柴油混合燃料的互溶性(包括混合燃料的饱和蒸气压以及浊点的测量)及发动机性能的试验研究，目的是寻求二甲醚在柴油中合适的添加比例，使柴油机在尽量不作改动的情况下燃用混合燃料并获得良好的性能。

Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.

本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸气蒸馏获得的挥发油。

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研究土木香挥发油的化学成分,并比较水蒸气蒸馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性成分的差异。

The cold wind condenses vapor into rain.

冷风使水蒸凝结成雨。

The surplus steam was blown off through the pipes.

多余的蒸通过管道放掉了。

Water vapor is water in the form of a gas.

水蒸是态的水。

Clouds are formations of condensed water vapour.

云是由凝聚的水蒸构成的。

Some workmen arrived today with a steamroller.

今天有一些工人带着一台蒸路机来了。

Expansion joints of various kinds are fitted on steam pipes.

各种各样的伸缩接头被安装在蒸管道上了。

The preparation of activated carbons from xylogen by steam activation method is reviewed.

以烟秆为原料,经炭化后用水蒸活化制备活性炭。

His glasses steamed up when he came into the warm room.

他一走进暖房, 眼镜就被蒙上一层水蒸。

Steam has fogged the bathroom mirror.

水蒸遮住浴室的镜子。

When nitric acid is poured on copper, a brown vapor gives off.

将硝酸在铜上, 会散发出一种棕色的蒸。

Nitryl aromatic hydrocarbon affect environment and human health mainly by waste water, dust and smoke.

硝基芳烃主要通过废水、粉尘、蒸等形式污染环境，影响人体健康。

Heat evaporates water into steam.

水受热变成水蒸。

Who invented the steam engine?

谁发明了蒸机？

Steam has fogged my glasses.

蒸使我的眼镜模糊不清。

Steam erupted from the geyser.

蒸从热水锅出。

The Cryophorus consists of a glass tube with a bulb on each end containing water and water vapor.

此冰晶体形成器是一细长玻璃管两端并各有一玻璃球,球有水和水蒸。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适用酸（除发烟硫酸外）碱，，氨，蒸，油品，有机溶剂，化学腐蚀性介质的各种旋转泵，阀门的填料密封。

The intersolubility of DME and diesel including the measurements of saturated vapor pressure and cloud point were studied.

本文进行了几种不同配比的二甲醚/柴油混合燃料的互溶性(包括混合燃料的饱和蒸以及浊点的测量)及发动机性能的试验研究，目的是寻求二甲醚在柴油中合适的添加比例，使柴油机在尽量不作改动的情况下燃用混合燃料并获得良好的性能。

Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.

本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.碎的新鲜果仁经水蒸蒸馏获得的挥发油。

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研究土木香挥发油的化学成分,并比较水蒸蒸馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性成分的差异。

The cold wind condenses vapor into rain.

冷风使水凝结成雨。

The surplus steam was blown off through the pipes.

多余通过管道放掉了。

Water vapor is water in the form of a gas.

水是态水。

Clouds are formations of condensed water vapour.

云是由凝聚水构成。

Some workmen arrived today with a steamroller.

今天有一些工人带着一台压路机来了。

Expansion joints of various kinds are fitted on steam pipes.

各种各样伸缩接头被安装在管道上了。

The preparation of activated carbons from xylogen by steam activation method is reviewed.

以烟秆为原料,经炭化后用水活化制备活性炭。

His glasses steamed up when he came into the warm room.

他一走进暖房, 眼镜就被蒙上一层水。

Steam has fogged the bathroom mirror.

水遮住浴室镜子。

When nitric acid is poured on copper, a brown vapor gives off.

将硝在铜上, 会散发出一种棕色。

Nitryl aromatic hydrocarbon affect environment and human health mainly by waste water, dust and smoke.

硝基芳烃主要通过废水、粉尘、等形式污染环境，影响人体健康。

Heat evaporates water into steam.

水受热变成水。

Who invented the steam engine?

谁发明了机？

Steam has fogged my glasses.

使我眼镜模糊不清。

Steam erupted from the geyser.

从热水锅炉里冒出。

The Cryophorus consists of a glass tube with a bulb on each end containing water and water vapor.

此冰晶体形成器是一细长玻璃管两端并各有一玻璃球,球里有水和水。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适用（除发烟硫），，氨，，油品，有机溶剂，化学腐蚀性介质各种旋转泵，阀门填料密封。

The intersolubility of DME and diesel including the measurements of saturated vapor pressure and cloud point were studied.

本文进行了几种不同配比二甲醚/柴油混合燃料互溶性(包括混合燃料饱和压以及浊点测量)及发动机性能试验研究，目是寻求二甲醚在柴油中合适添加比例，使柴油机在尽量不作改动情况下燃用混合燃料并获得良好性能。

Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.

本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎新鲜果仁经水馏获得挥发油。

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研究土木香挥发油化学成分,并比较水馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性成分差异。

The cold wind condenses vapor into rain.

冷风使水蒸气结成雨。

The surplus steam was blown off through the pipes.

多余的蒸气通过管道放掉了。

Water vapor is water in the form of a gas.

水蒸气是气态的水。

Clouds are formations of condensed water vapour.

云是的水蒸气构成的。

Some workmen arrived today with a steamroller.

今天有些工人带着台蒸气压路机来了。

Expansion joints of various kinds are fitted on steam pipes.

各种各样的伸缩接头被安装在蒸气管道上了。

The preparation of activated carbons from xylogen by steam activation method is reviewed.

以烟秆为原料,经炭化后用水蒸气活化制备活性炭。

His glasses steamed up when he came into the warm room.

他走进暖房, 眼镜就被蒙上层水蒸气。

Steam has fogged the bathroom mirror.

水蒸气遮住浴室的镜子。

When nitric acid is poured on copper, a brown vapor gives off.

将硝酸在铜上, 会散发出种棕色的蒸气。

Nitryl aromatic hydrocarbon affect environment and human health mainly by waste water, dust and smoke.

硝基芳烃主要通过废水、粉尘、蒸气等形式污染环境，影响人体健康。

Heat evaporates water into steam.

水受热变成水蒸气。

Who invented the steam engine?

谁发明了蒸气机？

Steam has fogged my glasses.

蒸气使我的眼镜模糊不清。

Steam erupted from the geyser.

蒸气从热水锅炉里冒出。

The Cryophorus consists of a glass tube with a bulb on each end containing water and water vapor.

此冰晶体形成器是细长璃管两端并各有璃球,球里有水和水蒸气。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适用酸（除发烟硫酸外）碱，，氨，蒸气，油品，有机溶剂，化学腐蚀性介质的各种旋转泵，阀门的填料密封。

The intersolubility of DME and diesel including the measurements of saturated vapor pressure and cloud point were studied.

本文进行了几种不同配比的二甲醚/柴油混合燃料的互溶性(包括混合燃料的饱和蒸气压以及浊点的测量)及发动机性能的试验研究，目的是寻求二甲醚在柴油中合适的添加比例，使柴油机在尽量不作改动的情况下燃用混合燃料并获得良好的性能。

Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.

本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸气蒸馏获得的挥发油。

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研究土木香挥发油的化学成分,并比较水蒸气蒸馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性成分的差异。

The cold wind condenses vapor into rain.

冷风使水蒸凝。

The surplus steam was blown off through the pipes.

多余的蒸通过管道放掉了。

Water vapor is water in the form of a gas.

水蒸是态的水。

Clouds are formations of condensed water vapour.

云是由凝聚的水蒸构的。

Some workmen arrived today with a steamroller.

今天有一些工人带着一台蒸压路机来了。

Expansion joints of various kinds are fitted on steam pipes.

各种各样的伸缩接头被安装在蒸管道上了。

The preparation of activated carbons from xylogen by steam activation method is reviewed.

以烟秆为原料,经炭化后用水蒸活化制备活性炭。

His glasses steamed up when he came into the warm room.

他一走进暖房, 眼镜就被蒙上一层水蒸。

Steam has fogged the bathroom mirror.

水蒸遮住浴室的镜子。

When nitric acid is poured on copper, a brown vapor gives off.

将硝酸在铜上, 会散发出一种棕色的蒸。

Nitryl aromatic hydrocarbon affect environment and human health mainly by waste water, dust and smoke.

硝基芳烃主要通过废水、粉尘、蒸等形式污染环境，影响人体健康。

Heat evaporates water into steam.

水受热变水蒸。

Who invented the steam engine?

谁发明了蒸机？

Steam has fogged my glasses.

蒸使我的眼镜模糊不清。

Steam erupted from the geyser.

蒸从热水锅炉里冒出。

The Cryophorus consists of a glass tube with a bulb on each end containing water and water vapor.

此冰晶体形器是一细长玻璃管两端并各有一玻璃球,球里有水和水蒸。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适用酸（除发烟硫酸外）碱，，氨，蒸，，有机溶剂，化学腐蚀性介质的各种旋转泵，阀门的填料密封。

The intersolubility of DME and diesel including the measurements of saturated vapor pressure and cloud point were studied.

本文进行了几种不同配比的二甲醚/柴混合燃料的互溶性(包括混合燃料的饱和蒸压以及浊点的测量)及发动机性能的试验研究，目的是寻求二甲醚在柴中合适的添加比例，使柴机在尽量不作改动的情况下燃用混合燃料并获得良好的性能。

Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.

本为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸蒸馏获得的挥发。

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研究土木香挥发的化学分,并比较水蒸蒸馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性分的差异。

The cold wind condenses vapor into rain.

冷风使水蒸气凝结成雨。

The surplus steam was blown off through the pipes.

多余的蒸气通过管道放掉了。

Water vapor is water in the form of a gas.

水蒸气是气态的水。

Clouds are formations of condensed water vapour.

云是由凝聚的水蒸气构成的。

Some workmen arrived today with a steamroller.

今天有一些工人带着一台蒸气压路机来了。

Expansion joints of various kinds are fitted on steam pipes.

各种各样的伸缩接头被安装在蒸气管道上了。

The preparation of activated carbons from xylogen by steam activation method is reviewed.

以烟秆为原料,经炭化后用水蒸气化制炭。

His glasses steamed up when he came into the warm room.

他一走进暖房, 眼镜就被蒙上一层水蒸气。

Steam has fogged the bathroom mirror.

水蒸气遮住浴室的镜子。

When nitric acid is poured on copper, a brown vapor gives off.

将硝酸在铜上, 会散发出一种棕色的蒸气。

Nitryl aromatic hydrocarbon affect environment and human health mainly by waste water, dust and smoke.

硝基芳烃主要通过废水、粉尘、蒸气等形式境，影响人体健康。

Heat evaporates water into steam.

水受热变成水蒸气。

Who invented the steam engine?

谁发明了蒸气机？

Steam has fogged my glasses.

蒸气使我的眼镜模糊不清。

Steam erupted from the geyser.

蒸气从热水锅炉里冒出。

The Cryophorus consists of a glass tube with a bulb on each end containing water and water vapor.

此冰晶体形成器是一细长玻璃管两端并各有一玻璃球,球里有水和水蒸气。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适用酸（除发烟硫酸外）碱，，氨，蒸气，油品，有机溶剂，化学腐蚀介质的各种旋转泵，阀门的填料密封。

The intersolubility of DME and diesel including the measurements of saturated vapor pressure and cloud point were studied.

本文进行了几种不同配比的二甲醚/柴油混合燃料的互溶(包括混合燃料的饱和蒸气压以及浊点的测量)及发动机能的试验研究，目的是寻求二甲醚在柴油中合适的添加比例，使柴油机在尽量不作改动的情况下燃用混合燃料并获得良好的能。

Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.

本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸气蒸馏获得的挥发油。

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研究土木香挥发油的化学成分,并比较水蒸气蒸馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发成分的差异。

The cold wind condenses vapor into rain.

冷风使蒸气凝结成雨。

The surplus steam was blown off through the pipes.

多余的蒸气通过管道放掉了。

Water vapor is water in the form of a gas.

蒸气是气态的。

Clouds are formations of condensed water vapour.

云是由凝聚的蒸气构成的。

Some workmen arrived today with a steamroller.

今天有一些工人带着一台蒸气压路机来了。

Expansion joints of various kinds are fitted on steam pipes.

各种各样的伸缩接头被安装在蒸气管道上了。

The preparation of activated carbons from xylogen by steam activation method is reviewed.

以烟秆为原料,经炭化后用蒸气活化制备活性炭。

His glasses steamed up when he came into the warm room.

他一走进, 镜就被蒙上一层蒸气。

Steam has fogged the bathroom mirror.

蒸气遮住浴室的镜子。

When nitric acid is poured on copper, a brown vapor gives off.

将硝酸在铜上, 会散发出一种棕色的蒸气。

Nitryl aromatic hydrocarbon affect environment and human health mainly by waste water, dust and smoke.

硝基芳烃主要通过废、、蒸气等形式污染环境，影响人体健康。

Heat evaporates water into steam.

受热变成蒸气。

Who invented the steam engine?

谁发明了蒸气机？

Steam has fogged my glasses.

蒸气使我的镜模糊不清。

Steam erupted from the geyser.

蒸气从热锅炉里冒出。

The Cryophorus consists of a glass tube with a bulb on each end containing water and water vapor.

此冰晶体形成器是一细长玻璃管两端并各有一玻璃球,球里有和蒸气。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适用酸（除发烟硫酸外）碱，，氨，蒸气，油品，有机溶剂，化学腐蚀性介质的各种旋转泵，阀门的填料密封。

The intersolubility of DME and diesel including the measurements of saturated vapor pressure and cloud point were studied.

本文进行了几种不同配比的二甲醚/柴油混合燃料的互溶性(包括混合燃料的饱和蒸气压以及浊点的测量)及发动机性能的试验研究，目的是寻求二甲醚在柴油中合适的添加比例，使柴油机在尽量不作改动的情况下燃用混合燃料并获得良好的性能。

Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.

本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经蒸气蒸馏获得的挥发油。

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研究土木香挥发油的化学成分,并比较蒸气蒸馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性成分的差异。

The cold wind condenses vapor into rain.

冷风使凝结成雨。

The surplus steam was blown off through the pipes.

多余通过管道放掉了。

Water vapor is water in the form of a gas.

是态。

Clouds are formations of condensed water vapour.

云是由凝聚构成。

Some workmen arrived today with a steamroller.

今天有一些工人带着一台压路机来了。

Expansion joints of various kinds are fitted on steam pipes.

各种各样伸缩接头被安装在管道上了。

The preparation of activated carbons from xylogen by steam activation method is reviewed.

以烟秆为原料,经炭化后用活化制备活性炭。

His glasses steamed up when he came into the warm room.

他一走进暖房, 眼镜就被蒙上一层。

Steam has fogged the bathroom mirror.

遮住浴室镜子。

When nitric acid is poured on copper, a brown vapor gives off.

将硝酸在铜上, 会散发出一种棕。

Nitryl aromatic hydrocarbon affect environment and human health mainly by waste water, dust and smoke.

硝基芳烃主要通过废、粉尘、等形式污染环境，影响人体健康。

Heat evaporates water into steam.

受热变成。

Who invented the steam engine?

谁发明了机？

Steam has fogged my glasses.

使我眼镜模糊不清。

Steam erupted from the geyser.

从热锅炉里冒出。

The Cryophorus consists of a glass tube with a bulb on each end containing water and water vapor.

此冰晶体形成器是一细长玻璃管两端并各有一玻璃球,球里有和。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适用酸（除发烟硫酸外）碱，，氨，，油品，有机溶剂，化学腐蚀性介质各种旋转泵，阀门填料密封。

The intersolubility of DME and diesel including the measurements of saturated vapor pressure and cloud point were studied.

本文进行了几种不同配比二甲醚/柴油混合燃料互溶性(包括混合燃料饱和压以及浊点测量)及发动机性能试验研究，目是寻求二甲醚在柴油中合适添加比例，使柴油机在尽量不作改动情况下燃用混合燃料并获得良好性能。

Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.

本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎新鲜果仁经馏获得挥发油。

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研究土木香挥发油化学成分,并比较馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性成分差异。