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近年来,建筑领域的节能环保思想越来越深入人心,装配式建筑因其具有环境污染小等特点,被受行业推崇,各省市都在积极推进装配式建筑发展,然而装配式建筑也面临着若干问题,诸如构件生产自动化程度低、管理系统化差等.本研究将BIM技术的工作原理与装配式建筑施工过程作为主要研究线,构建了基于BIM的装配建筑一体化管理系统框架. 相似文献
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低渗透油田粘土稳定剂研制 总被引:2,自引:0,他引:2
粘土水化膨胀和粘土微粒运移是对油气层损害的重要原因.该文分析了粘土矿物质的存在形态、类型及对油气层的损害,同时对单剂样品进行了室内筛选实验,在此基础上研制出了适合大庆低渗透油田使用的NT-1002粘土稳定剂,并针对研制的粘土稳定剂进行了室内效果实验.结果表明:NT-1002粘土稳定剂与地层水具有良好的配伍性;使用粘土稳定剂后,岩心破碎率为3.55%,远低于清水的岩心破碎率24.5%;岩心膨胀率为96.95%,能够很好地控制粘土岩心膨胀. 相似文献
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The biodegradations of phenol and 4-chlorophenol (4-cp) were studied using the mutant strain CTM 2 obtained by the He-Ne laser irradiation on wild-type Candida tropicalis. The results showed that the capacity of the CTM 2 to biodegrade 4-cp was increased up to 400 mg•L-1 within 59.5 h. In the dual-substrate biodegradation, both velocity and capacity of the CTM 2 to degrade 4-cp increased with low-concentration phenol. A total of 400 mg•L-1 4-cp was completely degraded within 50.5 h in the presence of 300 mg•L-1 phenol. The maximum 4-cp biodegradation could reach 440 mg•L-1 with 120 mg•L-1 phenol. Low-concentration 4-cp caused great inhibition on the CTM 2 to degrade phenol. In addition, the kinetic behaviors were described using the kinetic model proposed in this lab. 相似文献
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