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- filter bed thickness 滤床厚度
- Exaggerated sections distort the shapes of folds as well as bed thickness. 比例放大的剖面歪曲褶皱的形态和岩层厚度。
- The filter bed is rinsed with the feed liquor for 3.5min. 冲洗3.;5min;纳污滤层即可复原。
- Backwashing is one of the methods to maintain a filter bed clean. 反冲洗是保持滤床清洁的方法之一。
- The cuttings bed thickness in safe drilling is preferably 1.9 cm as is calculated with the models. 由计算结果推出了安全钻进时岩屑床的厚度极值为1.;9cm
- One dimensional overpotential distribution equation along the direction of the bed thickness is formulated. 建立了固定床内超电位沿床层厚度方向的一维分布方程。
- Guided by seismic data, we use logging data to invert lithological parameters and bed thickness exactly by s... 由于迭代过程只需修改波阻抗一个参数即可反演出两个参数,提高了反演速度。
- In this paper, a simple and effective method is used to invert lithological parameters and bed thickness on the basis of seismic lithology modelling (SLIM). 即从测井数据出发,在地震资料的控制下,通过逐次迭代,精确地反演岩性及厚层参数,有效地解决了反演的多解性问题。
- The functions of the hydrophyte filter bed(HFB) for improving source water quality were surveyed in terms of microcystin and trace organic pollutants. 从对藻毒素和微量有机污染物的去除方面考察了水生植物滤床(HFB)在改善源水水质方面的效果。
- Filter bed should be exposurd as less as possible because alternation of exposure and immersion is disbennifit to the penetrability of filter bed. 依据水质资料分析了水源水质安全保障。
- The results of experiments shows: with moving bed thickness and moving speed of granular desulphurization reagents increasing, velocity of empty bed and SO_2 concentration decreasing, desulphurization efficiency will increase. 实验结果表明:随着床层厚度增加、空床气速降低、入口SO_2浓度减小、平均下料速度增加,脱硫效率将提高。
- The result of removal of CODCr and NH3-N from urban sewage was experimentally investigated by using biological aerated filter bed with double filter material of slag and zeolite. 研究炉渣-沸石双层滤料曝气生物滤池处理城市污水中CODCr和NH3-N的去除效果,试验结果表明:滤池中两种滤料显示出良好的互补性,滤池对CODCr和NH3-N的去除率稳定;
- On the premise that before secondary change the bed thickness changes gradually and the rock volume is constant,the au- thor uses translational iteration to eiiminate the secondary change of bed thickness. 本文在未发生次生变化前地层厚度是渐变的和地层在次生变化前后其岩体体积不变的前提下,提出了用平移迭代法消去地层次生变化的方法。
- When pH was 6.65, filtration rate was 8m/h and Do was 6.5mg/L, there existed the function relation between ferrous ions concentration and filter bed depth. 当pH为6.;65、滤速为8m/h、DO为6
- This paper discussed water liquor acts on micrinite in the calcareous clay at the bottom of saline aquifer and put forward the concept of filter bed of salinity. 本文讨论了咸质含水组底部钙化粘土微观粘粒与水溶液的相互作用,提出了“滤盐层”的概念。
- It is indicated from the reasearch result of clearing silt that, the penetrability can be better restored after clearing the silt on the surface of filter bed. 清淤试验研究结果表明,通过清除滤床表层淤泥可以使滤床的渗透性得到很好的恢复,清淤的办法需在取水工程停止运行的前提下进行;
- The enough oxygen assures the aerobic treatment. In the traditional microbe filter bed,the oxygen is provided by physical ventilation,whether the supplied oxygen is abundant or not directly influences the treatment efficiency. 充足的氧气是进行好氧处理的保证,在传统的生物滤池中,靠的是自然通风供氧,供氧的好坏直接影响到生物滤池处理的效率。
- The wastewater consist of the sludge flushed out from the sedimentation tanks and the wash water disposed from the filter beds. 这些污水主要来自沉淀池或澄清池的排泥水和滤池的反冲洗排水,这些污水如果不经处理直接排入水体,不但污染水体,而且浪费了大量的水资源。
- By controlling operation parameter after filter bed having been inoculated, the technology has removed iron and manganese successfully from groundwater with high concentration of iron and manganese. 方法以无烟煤作为生物除铁除锰滤池的滤料,在滤池接种后,通过对运行参数的优化调控,实现高铁高锰地下水的除铁除锰。
- Therefore,the combined process of self-circulating rotating biological disk(RBD)and aquatic plant filter bed(APFB)was designed to purify rural domestic wastewater in Taihu Lake Basin. 针对农村生活污水排放量小、有机物浓度相对偏低、日变化系数大、间歇排放且不易收集的特点,提出了自回流生物转盘与水生植物滤床组合工艺,并开展了处理太湖流域农村生活污水的研究。