The fluid surface forcing control system applied on counter pressure casting is built based on the combined digital valve as the main flow control component.

采用组合式数字阀作为主要流量控制元件，构建差压铸造液面加压控制系统。

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Axial circle flow was introduced. The isothermal flow analysis of non-Newtonian fluid in axial circle region of a non-intermeshing counter-rotating twin-screw extruder was concerned.

引入了轴向循环流动的概念，且利用ANSYS有限元分析软件对非啮合双螺杆挤出机轴向循环流道中的非牛顿流体等温流动进行了三维模拟分析。

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A new model for describing mass transfer performance in the supercritical fluid ext raction columns by continuous counter current flow was derived.

建立了描述连续逆流超临界流体萃取塔传质性能的数学模型。

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Desmorphine, a synthetic with similar effects of heroin made from house-held chemicals like codeine (available over the counter in Russia), iodine, lighter fluid, gasoline, and industrial cleaning oil, is street-named Krokodil for the way it literally devours its users (like the mean crocodile).

FORBES: Krokodil and the Terrible Cost of the War on Drugs