强相互作用吸附的半胱氨酸主要是以去质子的两性离子和阴离子形式存在于粘土矿物上,与过渡金属形成螯合的六元环结构。
The cysteine in the clay mineral existed in the forms of zwitterion and anion, the O and S in it chelated zinc cation to form configuration of hexatomic ring.
用粘土固化浆与水泥浆在坝基强透水地层做了高喷截渗时比试验。
The contrast test in made with clay solidification slurry and cement grant in permeable dam foundation.
结果表明,该水泥主要由水化物脱水相、含钙粘土脱水相以及早强矿物等组成;
That results show that the cement is composed of dehydrated hydration products, dehydrated clay and high-early strength minerals.
笔者以王庄油田强水敏性油藏为例,对粘土矿物危害进行探讨。
In this paper Wangzhuang oil field is used as a case of high water sensitivity reservoir to investigate the damage of clay mineral.
但是,对于某些粘土含量高,敏感性强的致密油气藏,采用水力压裂技术改造尽管能获得工艺上的成功,但是最终增产效果却大打折扣。
However, for some special reservoirs with high clay content and sensitivity, the final effictiveness is greatly reduced although hydraulic fracturing process can be successful.
结果表明,钯层柱粘土是一种低温下裂化活性高、芳烃饱和性能强、异构化性能好的加氢催化剂。
PdPM was used as a hydrocracking catalyst, which exhibited high activity of hydrocracking, strong aromatic saturation and good isomerization performances at lower temperature.
通过对粘土进行物理和化学改性,可制成橡胶补强剂,其补强效果接近或达到白炭黑水平。
A reinforcing agent of rubber has been developed by the physical and chemical modification of clay. The reinforcing effect of said agent is similar to that of silica.
底泥成分以粘土、粉砂为主,水体混浊度高可能与底泥粒径较小以及鱼类和游船活动的强扰动性有关。
High water turbidity was likely related to small grain size of the sediments and high turbulence caused by fish and boating activity in this lake.
通过对粘土进行物理和化学改性,可制成橡胶补强剂,其补强效果接近或达到白炭黑水平。
A reinforcing agent of rubber has been developed by the physical and chemical modification of clay.
充分利用疏浚土有机质含量高、吸附能力强和低透水性等特点,将其作为填埋场粘土衬垫的添加材料。
Due to the high organic content of dredged soil, its ability to adsorb various contaminants such as heavy metals warranted an investigation of its use in clay liner of landfill.
目前强夯法主要用于处理加固砂土、碎石地基及低饱和度粘土地基。
At the present time, dynamic compaction used mainly in foundation treatment of sand, gravel and low saturation clay in order to improve the deep foundation.
常规强夯法处理淤泥质粘土地基效果不太理想。
It is generally recognized that the mucky clay ground treated by the conventional dynamic compaction hardly receives the sound results.
实践表明:强夯置换法对含石填土层,淤泥质粘土层是一种经济有效的地基加固方法。
The practice has proofed it is a kind of effective and economic way to reinforce the groundsill of combined backfill stone layer with silt and clay.
为了解决强夯时产生的超孔隙水压力问题,提出了加固饱和粉土、粉质粘土地基的强夯碎石桩法。
Based on the problems of the saturated silt foundation, authors analyze the failure cause of dynamic consolidation on saturated soft foundation in the past.
为了解决强夯时产生的超孔隙水压力问题,提出了加固饱和粉土、粉质粘土地基的强夯碎石桩法。
Based on the problems of the saturated silt foundation, authors analyze the failure cause of dynamic consolidation on saturated soft foundation in the past.
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