论述超临界流体及超临界萃取中夹带剂的作用、作用机理、选择方法、应用及其研究进展，并提出所存在的问题和研究方向。
This article describes the function, function mechanism, choice method, application and progress of entrainers in SFE, and the exiting problems and research orientation are also pointed out.
从磁芯材料选择、磁场方向确定和磁路设计步骤三方面总结了磁流变器件磁路设计的一般方法。
Three aspects on magnetic circuit design of MR devices including selection of magnetic core material, determination of magnetic field direction and magnetic circuit calculation were investigated.
许多人可能会选择放弃，然而最可能成功的方法是坚持你自己的方向和目标。
Many people may choose to give up. However, the surest way to success is to keep your direction And stick to your goal.
许多人可能会选择放弃，然而最可能成功的方法是坚持你自己的方向和目标。
Many people may choose to give up. However, the surest way to success is to keep your direction And stick to your goal.
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