说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 沉降,沉积
1)  sedimentation [英][,sedɪmen'teɪʃn]  [美]['sɛdəmɛn'teʃən]
沉降,沉积
2)  Sediment co-deposition
沉降共沉积
3)  settlement , settling deposition , subsidence,depositing,sedimentation,subsidency,subside,depression,sagging,(of pollutant)fall-out,downwash;,
沉降,沉积,沉淀
4)  settling volume
沉降体积
1.
: The strength and the permeability of the cigarette paper depends largely on the quality of the Precipitated calcium carbonatePCC especially on the crystal type the size and the size distribution of the PCC particles.The settling volume represents to a great extent though not strictly the characteristics of the particle size and the size distribution of the PCC
卷烟纸用沉淀碳酸钙(PCC)的品种特别是晶型、粒度与粒度分布对卷烟纸的强度、透气度有较大的影响;沉降体积指标反映了PCC粒度的大小趋势,但该指标数据显示与实际情况有差距。
2.
Differences in the particle morphology of calcium carbonate produced by different enterprises were compared through SEM,and the differenccs were characterized by settling volume and oil absorption.
通过SEM比较了不同厂家的碳酸钙颗粒形态的差异,并通过沉降体积和吸油量来表征其差异,进一步分析了轻质碳酸钙沉降体积对PVC试样力学性能的影响。
3.
Then the modifier amount can be regarded as the best dosage that is confirmed by settling volume in liquid paraffin and the modified mechanism is given in the end of the paper.
然后通过在液体石蜡中的沉降体积验证了此改性剂用量可以作为最佳剂量,最后给出了偶联剂的改性机理。
5)  aeolian deposition
降尘沉积
6)  cumulative settlement
累积沉降
1.
5%,25% and 50%,the cumulative settlements of the model piles are studied in saturated sand,and it is investigated that how the dynamic displacements change with cyclic numbers.
5%,25%,50%三种情况下的沉降试验,研究了模型桩在不同动力循环加载情况下的桩顶累积沉降和动位移幅值随振动次数的变化而改变的规律,拟合了沉降试验曲线的回归方程。
2.
Based on the undrained cumulative deformation model and the cumulative pore pressure model of the soft clay presented by Huang and employing the static and dynamic finite difference method,the cumulative settlement of Shanghai soft clay subgrade was computed and analyzed.
基于黄茂松提出的上海软粘土不排水累积变形模型和累积孔压模型,借助静态和动态有限差分法,对上海软粘土地基的累积沉降进行了计算分析。
补充资料:沉降
      组成悬浮系的流体和悬浮物因密度差异,在力场中发生相对运动而分离,是一种属于流体动力过程的单元操作。靠重力实现分离的操作是重力沉降;靠惯性离心力实现分离的操作是离心沉降。
  
  沉降用于气相悬浮系时,是从气体中分离出所含固体粉尘或液滴;用于液相悬浮系时,是从液体中分离出所含固体颗粒或另一液相的液滴。这种分离在生产上的目的有二:①获得清净的流体,如空气的净化、水的澄清、油品脱水等;②为了回收流体中的悬浮物,如从干燥器出口气体中回收固体产品、从流化床反应器出口气体中回收催化剂等。有时两个目的兼而有之。沉降操作在化工、医药、冶金、食品、环境保护等部门都有广泛应用。
  
  沉降的推动力是悬浮颗粒受到的重力或惯性离心力,它正比于粒径的立方;而流体作用于沉降颗粒表面的阻力,正比于粒径的平方。因之颗粒越细,则沉降速度越小,分离也越困难。通常,用重力沉降分离的最小粒径为30~40μm;用离心沉降分离的最小粒径为5~10μm。更小的颗粒则用电除尘、超声波除尘等分离方法(见流体动力过程)。
  

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条