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  1. Check valve used to ensure water to flow in one direction and prevent backflow of water. Usually use at pump discharge pipeline to prevent backflow of water to...

    分類:科學及數學 > 工程學 2007年08月07日

  2. ...tricuspid valve and bicuspid valve located at right and left atrium prevent blood backflow from ventricle to atrium. Semi-lunar valves located in the aorta...

    分類:科學及數學 > 生物學 2008年03月17日

  3. ... returned after immigration 3.Immigration backflow specialized person 4.Professional bodyguards of people...

    分類:社會及文化 > 語言 2007年02月15日

  4. ... tricuspid and bicuspid valves are closed to prevent the backflow of blood from ventricles to atria. ‧°o...

    分類:科學及數學 > 生物學 2007年07月15日

  5. ... 4. Capsule 5. Medulla 6. Valve to prevent backflow 7. Afferent lymphatic vessel. Latin nodus lymphoideus...

  6. 1a) saliva, gastric juice 1b) Absorption of digested food increases concentration of food in blood of capillaries in villi. This lowers the water potential in the blood in the capillaries. this steepen the water potential gradient between outside and...

    分類:科學及數學 > 生物學 2010年06月09日