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countercurrent    
n. 逆流,反流,逆电流

逆流,反流,逆电流

countercurrent
n 1: a stretch of turbulent water in a river or the sea caused
by one current flowing into or across another current [synonym:
{rip}, {riptide}, {tide rip}, {crosscurrent},
{countercurrent}]
2: actions counter to the main group activity; "political
crosscurrents disrupted the conference" [synonym:
{countercurrent}, {crosscurrent}]


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  • Solved Complete each statement describing the countercurrent - Chegg
    Science Biology Biology questions and answers Complete each statement describing the countercurrent multiplier water solutes hypertonic vasa recta hypotonic pertubular capilaries medula nephron loop The acts as the countercurrent multiplier
  • Solved A 5-stage countercurrent absorber is used to absorb - Chegg
    Question: A 5-stage countercurrent absorber is used to absorb acetone from air into water at 3 atm pressure and 20 C The total inlet gas flow rate is 100 kmol hr
  • Solved Stripping Taintfrom Cream by steam. Countercurrent - Chegg
    Stripping Taintfrom Cream by steam Countercurrent stage stripping is to be used to remove a taint from cream The taint is present in the original cream to the stripper at a concentration of 20 parts per million (ppm) For every 100 Kg of cream entering per unit time, 50 Kg of steam will be used for stripping
  • Solved 10. 3-2. Absorption in a Countercurrent Stage Tower . . . - Chegg
    Question: 10 3-2 Absorption in a Countercurrent Stage Tower Repeat Example 10 3-2 using the same conditions but with the following change Use a pure water flow to the tower of 108 kg mol H20 h, that is, 20% above the 90 used in Example 10 3-2 Determine the number of stages required using the analytical Kremser equation EXAMPLE 10 3-2 Absorption of Acetone in a
  • Solved A steady-state, countercurrent, staged distillation - Chegg
    A steady-state, countercurrent, staged distillation column is to be used to separate ethanol from water The feed is a mixture of 40 wt % ethanol and 60 wt% water at 20°C
  • Solved Which choice describes the countercurrent mechanism - Chegg
    Which choice describes the countercurrent mechanism of the nephron loop?Multiple ChoiceWater moves in the descending limb; sodium moves out of the descending limbWater moves out of the ascending limb; sodium moves in the ascending limbWater moves out of the descending limb; calcium moves out of the ascending limbWater moves out of the
  • Solved 12. 10-3. Countercurrent Multistage Washing of Ore. A - Chegg
    Countercurrent Multistage Washing of Ore A treated ore containing inert solid 750 Chap 12Problems gangue and copper sulfate is to be leached in a countercurrent multistage extractor using pure water to leach the CuSO4 The solid charge rate per hour consists of 10000 kg of inert gangue (B), 1200 kg of CuSO4 (solute A), and 400 kg of water (C)
  • Solved Which of the following is true about the | Chegg. com
    Which of the following is true about the countercurrent multiplier mechanism? The lower the osmolarity of the extracellular fluid, the more water leaves' the descending limb of the nephron ioop by osmosis It promotes urine dilution It concentrates salts in the renal cortex
  • Solved 22. 1-5. Absorption in a Countercurrent Stage Tower . . . - Chegg
    Absorption of Acetone in a Countercurrent Stage Tower It is desired to absorb 90% of the acetone in a gas containing 1 0 mol % acetone in air in a countercurrent stage tower The total inlet gas flow to the tower is 30 0 kg mol h, and the total intet pure water flow to be used to absorb the-ace- tone is 90 kg mol H2O h
  • Solved Countercurrent Flow Urea diffused in all regions of - Chegg
    Countercurrent Flow Urea diffused in all regions of the filter during countercurrent flow Using what you know about the sizes of urea and potassium, which graph shows what would happen to potassium during countercurrent flow? Diffuse in all regions of the filter Diffuse until equilibrium is reached in regions III, IV, V Explain your answer





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