This paper presents a method of using self made vibration source and vibrometer to excitc surface waves (ripples) to produce interference.

介绍了用自制的振源、振子来激发表面波（涟波）产生干涉，从而测出液体的表面张力系数的方法。

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The polyurethane glue stock used for making draft roll was investigated by using self made chain extender and modifier. The varieties and molecular weight of polyester polyol were selected.

采用自制扩链剂与改性剂，通过对聚合多元醇的品种与分子量的选择，研制出了适合纺织牵伸辊用的聚氨酯胶料。

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The gas chromatographic analysis methods of C5 fraction and its products were optimized by using self-made SE-30 capillary columns of different film thicknesses.

采用自制的不同膜厚SE-30毛细管色谱柱，对C5馏分及其产品的气相色谱分析条件进行优化。

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And by using the right arrangement of Halbach arrays, the train can be made self-stabilising so that, short of an earthquake, it will never fall off the track.

ECONOMIST: Maglev trains

She and Coz had talked at length about why she kept the stolen objects separate from the rest of her life: because using them would imply greed or self-interest, because leaving them untouched made it seem as if she might one day give them back, because piling them in a heap kept their power from leaking away.

NEWYORKER: Found Objects