depressant

英 [dɪˈpresnt]

美 [dɪˈpresnt]

n.  抑制剂

复数：depressants　

GRE

COCA.36007

牛津词典

noun

• 抑制剂
  a drug which slows the rate of the body's functions

英英释义

noun

• a drug that reduces excitability and calms a person
  Synonym:sedativesedative drugdowner

adj

• capable of depressing physiological or psychological activity or response by a chemical agent

双语例句

• The running characteristic of oil pipelines injected with depressant ( PPD-ed) and pump operating characteristic are analyzed and an operation optimization model for oil pipelines is established.
  对加降凝剂原油管道的运行参数和泵站的运行特性进行了分析，建立了原油管道的运行优化模型。
• Add different for different crude oil pour point depressant, dispersant or viscosity reducer can improve low-temperature fluidity of crude oil.
  针对不同原油加入不同降凝剂、分散剂或降粘剂可以改善原油的低温流动性。
• Synthesis of Copolymer OMA as Pour Point Depressant for an African Crude Oil
  共聚物OMA降凝剂的合成及对非洲原油降凝评价
• Experimental Study on Copper-lead Separation with the Combinatorial Depressant
  用组合抑制剂实现铜铅高效分离的试验研究
• This paper discussed the function principle, usage and sensitivity of diesel oil pour point depressant and introduced the application properties of several new types of pour point depressant.
  论述了柴油低温流动性改进剂的作用原理、使用方法和感受性，重点介绍了几种新型低温流动性改进剂的使用性能及发展动态。
• Research advance on low-temperature fluidity and pour point depressant of biodiesel
  生物柴油低温流动性及改进方法研究进展
• Development of New Lubricating Oil Pour Point Depressant and Research on Depression Mechanism
  新型润滑油降凝剂的研发及降凝机理研究
• Preparation and Effect of Fatty Acid Isopropyl Ester Used as Pour Point Depressant of Bio-diesel
  生物柴油降凝剂脂肪酸异丙酯的制备及降凝效果的研究
• In many cases, the effects of one depressant are intensified if another depressant is taken at the same.
  很多情况下，当一种镇静剂和另一种镇静剂同时使用时，它的药效会强一些。
• Preparation and mechanism of a pour point depressant for high pour point crude oil
  高凝原油降凝剂的制备及其降凝机理