对垂直上升光管内临界压力区水的传热特性进行了试验研究。
A research on the heat transfer performance of water in vertical upward tube under near critical pressure is presented.
试验结果表明：在供油提前角、转速和负荷相同的情况下，燃用二甲醚时油管泵端和嘴端压力的上升和下降速度、压力峰值都比燃用柴油时低；
The results show that at the same fuel delivery advance angle, engine speed and load, the line peak pressure and rate of pressure increment and decrement of DME are lower than that of diesel fuel.
海拉尔油田贝301试验区块自全面投入注水开发以来，部分井存在注水压力上升快、吸水能力下降的情况。
Since overall waterflooding staged in the No. 301 Bei pilot area in Haila'er oilfield in 2004, rapid injection pressure rise and injectivity drop have occurred in some wells.
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