西北丝绸之路区； 旅游城市； 梯度开发。
低渗透储层渗流具有非达西特征和启动压力梯度，是研究低渗透储层开发过程中问题的基础。
Research on characters of non-Darcy flow and starting pressure gradient of low permeability reservoir were foundation of reservoir production.
引入软测量技术，成功地开发了基于电热连续结晶机槽内温度梯度，来实现槽内物料组分的测量。
This paper has successfully developed a intelligentized software measuring instrument of the materiel components in electrorefining successive crystallization machine by its temperature grads.
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