petroleum fraction的意思

petroleum fraction中文翻譯：

石油餾分

相似詞語短語

fraction───n.分數；部分；小部分；稍微

petroleum───n.石油

petroleum engineer───石油工程師

petroleum resources───石油資源

petroleum coke───石油焦（炭）

petroleum engineering───石油鉆采工程

whiting petroleum───白色石油

complex fraction───n.繁分數；n.[數]繁分數

petroleum industry───[油氣]石油工業

雙語使用場景

A volatile fraction of petroleum consisting chiefly of pentanes and hexanes.───主要由戊烷和己烷組成的一種揮發性石油餾分。

Probably the most widely used medium is a high-boiling petroleum fraction, usually in the gas-oil range.───最廣泛使用的介質可能一般采用瓦斯油沸程內的高沸點石油餾分。

Coal, gas, or a petroleum fraction is mixed with air and injected into a boiler where combustion takes place.───煤、天然氣、石油與空氣混合注入到鍋爐中進行燃燒。

The anti-hypoxia effects and the anti-oxidative action of the petroleum fraction were investigated by spectrophotometry, respectively.───采用紫外分光光度法研究其對抗氧自由基對紅細胞的氧化作用。

wherein, the solvent oil of the step (1) comprises the petroleum fraction oil.───其中，步驟（1）所述溶劑油包括石油餾分油。

Anti-Hypoxia and Anti-Oxidation Effect of Potentilla anserina L. Petroleum Fraction and Its Mechanism───蕨麻石油醚部位的抗缺氧及其初步機制研究

英語使用場景

Probably the most widely used medium is a high-boiling petroleum fraction, usually in the gas-oil range.

CONCLUSION The Potentilla anserina L. petroleum fraction shows obvious anti-hypoxia and anti-oxidation effects, the effects may be related to its activity of inhibiting oxygen free radial.