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It is significant to enhancing the oil recovery that study on synthesizing of the petroleum sulfonate.

因此,合成一种高效、廉价的驱油用石油磺酸盐对于提高油田采收率具有重要意义。

A compounded system mainly composed of petroleum sulfonate was developed and then an oil displacement efficiency experiment was carried out.

通过大量的室内实验,研制出以石油磺酸盐为主剂的复配体系,并开展了驱油效率实验。

In recent years, it was gotten much attention that the copolymers which contained sulfonate group.

近些年来,有关向共聚物中引入磺酸基团的研究备受关注。

The technical features,properties and application of Shengli petroleum sulfonate were introduced.

主要介绍了胜利石油磺酸盐技术特点、性能及现场应用。

In this work a laboratory prepared petroleum sulfonate, KPS-2, with high disulfo component content is used.

本文研究了石油磺酸盐KPS-2在砂管岩心中的色谱效应及其影响因素。

In all tests,the boronised sulfonate detergents showed better performances in comparison with the conv ...

在所有的对比试验中,硼化磺酸盐清净剂均显示了较好的特性。

The effect of various concentration of surfactant and sodium dodecylbenzene sulfonate on the aqueous photodegradation of sodium pentachlorophenate were studied.

研究了不同浓度的阴离子表面活性剂十二烷基苯磺酸钠对五氯酚钠在水溶液中光解的影响。

The effects of surfactant sodium dodecylbenzene sulfonate on 24-D adsorption in the soil were determined in laboratory studies.

研究了不同浓度的表面活性剂十二烷基苯磺酸钠对 2 4 D在土壤中吸附的影响。

The technological process and quality specification of sodium n-alkyl benzene sulfonate were introduced.

介绍直链烷基苯磺酸钠的工艺流程和产品的质量指标。

The development, theoretical foundation and main patent technology abroad of over-based calcium sulfonate complex grease are introduced.

简要介绍了高碱性复合磺酸钙基润滑脂的发展,基本理论和国外主要专利技术。

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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷

Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.

Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。