研究人员发现,感染病毒的植物能够发出一种气体;这种气体能在临近植物中激发疾病抗体。
Researchers discovered that plants infected with a virus give off a gas that activates disease resistance in neighboring plants.
有一种假说认为,徳干火山喷发出的大量二氧化硫有毒气体进入了大气。
One theory suggests the Deccan lavas spewed immense amounts of poisonous sulfur dioxide gas into the atmosphere.
这种气体发出一种难闻的气味。
相反,他们使用一种惰性气体,如氙,散发出淡淡的当它接触到高压电器电弧。
Instead, they make use of an inert gas, such as Xenon, which emits light when it comes in contact with a high voltage electrical arc.
通过热固性硅树脂膜的控制裂解和活化,开发出一种新型的可用于高温气体分离的硅膜。
A new silicon membrane, which is employable in gas separation at higher temperature, is developed by control pyrolysis and activation of a thermosetting. silicon resin membrane.
他说这一定时飞碟着陆前一刻发出的一种奇特的高热气体造成的。
This, he said, must have been caused by a strange hot gas which had come from the saucer just before it landed.
通过热固性硅树脂膜的控制裂解和活化,开发出一种新型的可用于高温气体分离的硅膜。
A new silicon membrane, which is employable in gas separation at higher temperature, is developed by control pyrolysis and activation of a thermosetting.
这种气体散发出一种不好闻的味道。
用气体介质代替液体介质,开发出了一种新型的电火花切割精加工工艺。
A new WEDM (Wire Electrical Discharge Machining) technology for finishing cut has been developed, in which gas has been used as a dielectric instead of water.
离子交换纤维是一种新型的功能性纤维,能吸附净化各种具有极性的有害气体,作者利用其作吸附净化材料,设计开发出了一种新型单元组合式有害气体净化器。
We have designed a new type of purifying device made up of a new units in which ion-exchange fibre is used as inhaling and purifying material.
离子交换纤维是一种新型的功能性纤维,能吸附净化各种具有极性的有害气体,作者利用其作吸附净化材料,设计开发出了一种新型单元组合式有害气体净化器。
We have designed a new type of purifying device made up of a new units in which ion-exchange fibre is used as inhaling and purifying material.
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