Objective:To observe the effect of Gelofusine for colloid osmosis pressure(COP) during cardiopulmonary bypass.

目的：观察体外循环中预充血定安对预充液胶体渗透压的影响。

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By the pressure of the water molecules (small molecules) selectively through the effect of the reverse osmosis membrane, that is, reverse osmosis principle.

借助压力使水分子(小分子)有选择透过作用的反渗透膜，即是反渗透工作原理。

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The utility model discloses a quick electronic boiler for purified water, which comprises a reverse osmosis host machine, a water storage pressure pot and a boiled water tank.

本实用新型公开了即沸式纯净水电开水器，其结构包括反渗透主机、储水 压力桶、开水箱；

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It would also greatly reduce energy costs, since reverse osmosis involves forcing water through filters to remove minerals, and the Perforene filter is so thin that much less pressure is required (graphene is a thousand times stronger than steel).

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