It is necessary to do some research into the fracturing theory and technology of medium porosity and low permeability reservoirs to enhance stimulation effects.

有必要针对中孔低渗油藏的地质特征开展提高压裂效果的理论与技术研究。

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Purpose: In order to understand the mechanism of the stimulation effects of low dose radiation (LDR), we observed the immune changes of T-lymphocyte subsets.

通过对T淋巴细胞亚型变化的观察，探讨了低剂量电离辐射在肿瘤免疫调节中的兴奋效应机制。

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After almost 20 years of development, lower Interval of Du66 block has come to a later stage of steam stimulation, with the formation pressure lower and the steam stimulation effects poorer.

经过近20年的蒸汽吞吐开发，杜66块下层系目前已进入吞吐开发后期，地层压力低，吞吐开发效果差。

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But brain stimulation was also shown to have more side effects than drug treatments.

VOA: special.2009.02.03

"Exercise,diet,cognitive stimulation showed some positive effects, although the evidence was not so strong that we could actually consider these firmly established."

VOA: standard.2010.06.17