查询词典 petroleum

Steel and petroleum both play an important part in the development of industry and agriculture.

钢和石油这两样东西在工农业发展中起着重要作用。

The antineoplastic effective parts of Plumbago zeylanica L.were chloroform and petroleum ether extracts.

白花丹氯仿提取部位、石油醚提取部位体外抗肿瘤作用较好，值得对其提取部位进一步分离纯化并研究其抗肿瘤作用机制。

Kuwait Petroleum Corporation: POB 26565, Kuwait City; telex 44875; f. 1980.Chair.Minister of Oil.

科威特石油公司：科威特城；1980年成立，由石油部长担任董事长。

Kuwait National Petroleum Co KSC: POB 70, Kuwait City; telex 22006; f.

科威特国家石油公司：科威特城；1981年成立。

The results indicate that both petroleum hydrocarbons and Cu~(2+) have high toxicity to the polychaete.

结果表明：石油烃和Cu2+对沙蚕均表现出较强的毒性，暴露3d后，其LD50值分别为117.5μL.L-1和864.0μg.L-1。

The results indicated that petroleum hydrocarbons,Cu~(2+) and Cd~(2+) had the high toxicity to the polychaete Perinereis aibuhitensis Grube.

结果表明，石油烃和Cd2+、Cu2+对沙蚕均具有较强的毒性效应。

Using the indoor simulating method of pollution exposure at various concentrations,the toxic effects of various concentrations of petroleum hydrocarbons, copperCu~(2+ and cadmiumCd~(2+ on the polychaete Perinereis aibuhitensis Grube and on its acetycholinesterase activity were examined.

采用浓度梯度污染暴露室内模拟方法，研究了沙蚕暴露于不同浓度的石油烃和重金属Cu2+、Cd2+的毒性效应及乙酰胆碱酯酶活性的响应。

By the end of Portillo's term, however, Mexico had accumulated a huge external debt because of the government's unrestrained borrowing on the strength of its petroleum revenues.

截至索波蒂的任期，但是，墨西哥已积累了巨额外债，因为政府的无节制借贷的力量，其石油收入。

The success in the application of this method to describing the hydrodesulfurization process of petroleum has demonstrated its feasibility and preciseness.

该建模方法在加氢脱硫过程中的成功应用证明了它的可行性和准确性。

The result is consistent with that of the present-day petroleum exploration.

这与目前油气勘探所揭示的油气运移方向是一致的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。