depressant

• n. 镇静剂，[医][矿业] 抑制剂
• adj. 有镇静作用的

来自depress, 向下压，抑制。

1. a drug that reduces excitability and calms a person

depressant (n.)

"sedative," 1876 as a noun, 1887 as an adjective; see depress + -ant.

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.

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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.

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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.

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ACMC — a modified carloxy methy cellulose ( CMC ) is an effective serpentine gangue depressant.

ACMC在蛇纹石表面的吸附,大大增强了它的亲水性.

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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.

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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.

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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.

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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.

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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.

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

苯巴比妥为呼吸抑制剂, 呼吸抑制程度取决于剂量.

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The effects of organic depressant DMPS on jamesonite and pyrrhotite have been studied.

研究了有机抑制剂DMPS对脆硫锑铅矿和磁黄铁矿的抑制作用.

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Despite being classified as a depressant, alcohol initially acts as a stimulant on the central nervous system.

虽说被划定为镇静剂，酒精最初却是被当作中枢神经系统的兴奋剂。

辞典例句