Phenobarbital is a respiratory depressant. The degree of respiratory depression is dependent upon the dose.

Meanwhile according to the depressant synergism's principle, we compounded EVA with polymer surface active agent.

同时根据降凝剂协同作用的原理, 对其与高分子表面活性剂进行了复配实验.

It is most commonly used as a nasal vasoconstrictor and an appetite depressant.

最常被用作鼻血管收缩剂和食欲抑制剂.

In actual depressant crude pipeline transportation, a crude sample is transported in tight line with pressure.

在加剂输送管道中, 油样为密闭带压输送.

Synthesis and purification of long chain alkyl acrylate as intermediate of pour point depressant were introduced.

介绍了降凝剂中间体丙烯酸高碳醇酯的合成和产品分离提纯方法.

Psychoactive substances are commonly grouped toare stimulants, depressant, or hallucinogens.

心理活性物质通常可分为兴奋剂, 镇静剂和幻觉剂.

A pour point depressant ( PPD ) for improving the cold fluidity of diesel oils was studied.

摘要对柴油降凝剂进行了研究,降凝剂为苯乙烯、顺丁烯二酸酐及正十八胺三元共聚物.

The transport capacity can be increased by adding depressant in waxy crude oil to be delivered.

在含蜡原油的输送中,添加降凝剂可提高输送能力,节约能源.

Pour depressant OEAM, is a copolymer of maleic anhydride and mixed hexadecyl propionate and octadecyl propionate.

原油降凝剂(OEAM)是丙烯酸正十六醇和正十八醇混合酯与马来酸酐的共聚物.

Warm winds make many people feel enervated and depressed.

暖风让很多人觉得乏力沮丧。

I am feeling very depressed.

我觉得非常沮丧。

He was feeling guilty and depressed, repentant and scared.

他感到内疚、沮丧、后悔和害怕。

An anxious or depressed person can experience a really bad trip.

焦虑或抑郁的人吸毒后可能会有非常糟糕的幻觉。

I was depressed, withdrawn and sexually frigid.

我郁郁寡欢, 离群索居,没有什么性要求.

He was so depressed about his debts that he wanted to blow his brains out.

他为债务烦恼不已,恨不得一枪把自己结果了.

The novel left him feeling depressed.

(读完)这本小说使得他无精打采.

Drinking may make a person feel relaxed and happy, or it may make her hostile, violent, or depressed.

喝酒可能让人感到放松和愉快，也可能让人变得不友善、暴力或阴郁。

His mother was depressed by the sad news.

这个坏消息使他的母亲意志消沉.

The illness left her feeling listless and depressed.

那场病使她感到虚弱无力，提不起精神。

Business was rather depressed after war.

战后商业相当不景气.

Sometimes patients are more depressed six months later than when they first hear the bad news.

有时，病人6个月后比最初听到坏消息时情绪更低落。