This article introduces the main physical and chemical properties, corrosion behavior, toxicity of ammonia, and methods to determine the purity of ammonia, emphasizes the safety instructions and emergency treatments in the course of filling, transportation, storage, selling and usage of liquefied ammonia.

Reason analysis and emergency treatments of high oil and water temperature in DF_4 locomotive diesel and modification of hydrostatic system

DF4型机车柴油机油水温度高的判断、处理及对静液压系统的改造

Objective To summarize the clinical manifestation and emergency treatments of laryngeal trauma.

目的总结喉外伤临床表现和紧急处理的经验，提高喉外伤的急诊救治水平。

Methods Emergency treatments of 32 patients with severe thoracic and abdominal trauma accompanied with ARDS were retrospectively analyzed.

方法回顾性分析32例患者严重胸腹部复合伤并发急性呼吸窘迫综合征的急救方法及治疗效果。

Emergency treatments and nursing cares of patients with asphyxia during undergoing enormous thyreoidectomy

巨大甲状腺切除术中窒息病人的急救与护理

Retrospective study on pre-hospital emergency treatments of 129 cases with serious traffic accidents with multiple injuries

交通事故严重多发性损伤129例院前救治的回顾性研究

Emergency Treatments for Sudden Failures of Automotive Chassis and Electrical Units

汽车底盘及电器突发故障的应急处理

Through tracing back to the initiation and developing history of modern medical technique, it fixes its position in modern emergency treatments, and affirms the important roll of Chinese ancient books in promoting the techniques of modern emergency science.

通过追溯现代医学技术史的发源和发展历程，最终确定其在急救方法发展中的作用，看到我国古代中医急救方法曾为推动现代急救学作出的重大贡献。

Emergency treatments of laryngeal trauma: a report of 33 cases.

喉外伤的紧急处理（附33例临床分析）

Psychological preparation of the six-year-old children a little worse than the seven-year-old children.

刚入学的六岁儿童比七岁儿童在心理方面有点准备不足。

And a mom of a seven-year-old little boy that looks a lot like that.

一个七岁小男孩的妈妈孩子和他长得像极了

That seven-year-old boy who found you... that was me.

找到你的那个七岁大的男孩就是我

Wen said he could not imagine losing his parents and seven-year-old son.

温峰说，他很难想象失去父母和7岁的儿子怎么办。

He only had a seven-year-old boy's intellectual level.

他只有一个七岁男孩的智力水平。

Take it from me, the seven-year-old up here talking about brain science.

请记住我这个7岁的孩子在这里谈论脑科学所说的话。

Seven-year-old children had the primary collective concept of class.

7岁儿童开始拥有初步的班级观念。

However, six-year-old children and seven-year-old children is completely different.

但是六岁的儿童和七岁的儿童完全不一样。

The Influencing Factors of Seven-year-old Children's Language Expression

7岁儿童语言表达的影响因素分析

Dear seven-year-old, no matter what anyone says, stay weird.

7岁的人，不管别人说什么，保持你的怪异。

Sam is the seven-year-old son of Eric Davies

萨姆是埃里克·戴维斯7岁的儿子。

A seven-year-old boy was found dead after a landslide engulfed a block of flats

山体滑坡掩埋了一栋公寓楼，造成一名7岁男孩丧生。