很多人称之为笑气。
Dinitrogen monoxide is also known as laughing gas.
一氧化二氮又叫做笑气。
Scientists have called for stricter controls on emissions of laughing gas, after discovering the common chemical poses a new threat to the recovering ozone layer.
在发现了笑气这种常见化学品对正在恢复的臭氧层构成新威胁之后，科学家们呼吁对笑气排放实行更为严格的管制。
There, in a process called denitrification, microbes convert the nitrogen into nitrous oxide (also called laughing gas) and an inert gas called dinitrogen.
在那里，经称为脱氮的过程，微生物把氮转化为一氧化二氮(又称笑气)和一种称为二氮的惰性气体。
OSLO (Reuters) - Thawing permafrost can release nitrous oxide, also known as laughing gas, a contributor to climate change that has been largely overlooked in the Arctic, a study showed on Sunday.
周日发表的一项研究显示北极永冻土壤解冻可以释放出氧化亚氮，俗称笑气。 这种温室气体对气候变化的贡献一般为世人所忽视。
One might argue that money is laughing gas for most of us in its ability to dissipate anxiety and send our spirits soaring.
你可能会争辩金钱是我们大多数人的笑气，它能够驱散焦虑，让情绪高昂。
And a new study shows that biochar could have an impact on agriculture's other greenhouse gas emission: nitrous oxide, or laughing gas, which is no laughing matter when it comes to climate change.
一项最新研究表明生物炭对诸如一氧化二氮、笑气之类由农业生产造成的温室气体排放可能会产生影响，这些气体的排放对气候变化来说可不是什么好事。
David will be laughing gas on the results of research into the "chemical and philosophical studies", the immediate sensation throughout Europe.
戴维将关于笑气的研究成果写进《化学和哲学研究》一书，立即轰动了整个欧洲。
Conclusion: Analgesic labor with inhaling laughing gas is safe, effective and simple and is worthy of popularizing in obstetrics, which shows on side effects on both mother and fetus.
结论：氧化亚氮吸入用于分娩镇痛效果肯定，对母儿无不良影响，是一种安全、有效、简便的无痛分娩方法，值得产科临床推广应用。
Every time I relayed this story, there will always be some people laughing gas fork.
每次我转述这个故事，总有一些人笑得岔了气。
I've no idea whether these agents might include laughing gas or bad odours, but it certainly sounds like no laughing matter.
我不知道这些化学剂是否可能包括笑气或不良气味，但可以肯定的，这不像是在开玩笑。
Objective To research the abirritation of laughing gas in induced abortion.
目的：研究笑气在人工流产术(以下简称人工流产)中的镇痛作用。
Conclusion the inhalation anesthesia of laughing gas combined with local anesthesia of lidocaine has an exact effect on artificial abortion section and is easy and convenient.
结论人流术中笑气吸入联合使用利多卡因局部麻醉，效果确切，方法简便。
Nitrous oxide, better known as the dental anaesthetic "laughing gas", has replaced CFCs as the most potent destroyer of ozone in the upper atmosphere, a study has shown.
一项研究表明，以牙科麻醉剂“笑气”之名著称的氧化亚氮，已取代氟氯烃，成为上层大气中的臭氧最强有力的破坏物。
This effect is preceded by mild hysteria, sometimes with laughter, hence the name laughing gas.
止痛效果出现前会表现出轻微歇斯底里，有时发出笑声（因此被称为「笑气」）。
Objective To research the analgesia of laughing gas in induced abortion.
目的研究笑气在人工流产术中的镇痛作用。
Objective To explore the clinical effects of combination of infiltration anaesthesia with lidocaine and laughing gas for the painless induced abortion.
目的探讨氧化亚氮结合利多卡因浸润麻醉应用于无痛人流的临床效果。
Using the laughing gas, the people seemed to feel pain during the operation.
使用笑气之后，人们在做手术期间好像能感觉到疼痛。
The analgesia efficacy of the inhaling laughing gas group was not as good as that of epidural block, but method of former was simple.
笑气吸入麻醉分娩镇痛效果不及硬膜外麻醉，但方法简单。
A rotermeter linkage device with a synchronous belt comprises an oxygen flow meter (10) and a laughing gas flow meter (9); flow control knobs (2) of the meters are provided with a gear respectively;
一种同步带转子流量计联动装置，包括氧气流量计 （10）和笑气流量计（9），流量计的流量控制钮（2）上 各装有齿轮；
A rotermeter linkage device with a synchronous belt comprises an oxygen flow meter (10) and a laughing gas flow meter (9); flow control knobs (2) of the meters are provided with a gear respectively;
一种同步带转子流量计联动装置，包括氧气流量计 （10）和笑气流量计（9），流量计的流量控制钮（2）上 各装有齿轮；
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