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1)  unevenness of gravels
砾石起伏
1.
The methods of measuring unevenness of gravels,laying multiple-orifices filter blocks and stainless nets during the filter reconstruction were used in four water purification plants in Yokohama to assure the normal and effective operation of the filters.
横滨市水道局下属的4座水厂采取测量砾石起伏程度、滤池翻修时铺设多孔双层滤砖和不锈钢丝网等措施来保证滤池的正常有效运行;针对藻类(如尖针杆藻)暴发问题,采取在原水输送管道中加氯、在水厂投加粉末活性炭、提高混凝剂投量等措施,使尖针杆藻在混凝沉淀过程中的去除率达到95%,大大降低了滤池的运行负担并避免了滤料堵塞等问题。
2)  boulder [英]['bəʊldə(r)]  [美]['boldɚ]
巨砾;石砾
3)  boulder [英]['bəʊldə(r)]  [美]['boldɚ]
漂砾,砾石
4)  gravel [英]['ɡrævl]  [美]['grævḷ]
砾石
1.
Reserch on anti-cracking function of big-size gravel;
水泥稳定大粒径砾石的抗裂性能研究
2.
Looks into in the way of the performance on the gravel flexible primary level asphalt pavement route;
砾石柔性基层沥青路面路用性能调查
3.
Uplift of Lüliang Mountains and Evolution of Huanghe River-Evidence from Gravel Beds in Piedmont
从山前砾石看黄河形成与吕梁山隆升
5)  rock fragment
石砾
1.
The influence of rock fragments on the characteristics of macropore and water effluent of forest soils in the Liupan Mountains,Northwest China;
六盘山森林土壤的石砾对土壤大孔隙特征及出流速率的影响
2.
The occurrence of plentiful rock fragments embedded in the soil has a very important role in the formation of macropore in the Liupan Mountains of Northwest,China.
六盘山山区土壤中存在大量的石砾,对土壤大孔隙的形成具有重要影响。
6)  fluctuations [英][,flʌktju'eiʃən]  [美][,flʌktʃʊ'eʃən]
起伏
1.
Transverse Momentum Fluctuations in л~+p and K~+p Collisions at 250 GeV/c;
250GeV/c能量下л~+p和K~+p碰撞中的横动量起伏
补充资料:砾石填充液
分子式:
CAS号:

性质:砾石填充作业中,用来携带砾石或砂粒并将其运送到井下预定位置的液体。这种液体要求具有一定的黏度,不含有可能伤害地层及砾石层渗透率的物质,能较快降解,使砾石柱在井下能保持最佳的填充密度和过滤能力。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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