The seismic precursor abnormal information extraction of tilt solid tide usually based on the distortion, tendency, elevation, fall, break and so on characteristics of solid tide.

地倾斜固体潮分析中根据固体潮汐的畸变、趋势、上升、下降、转折等变化特征，提取地震前兆异常信息。

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The extraction of the residue endogenic protease of waste brewer yeast was studied with the ultrasonic cell-break method.

采用超声波破碎法对啤酒废酵母残余的内源蛋白酶进行提取，并以酪蛋白为底物测定内源蛋白酶的活力。

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Another restraint on producing large quantities of algae is that its cell walls are difficult to break, making extraction of the oil inside an energy intensive process.

BBC: Bath's Roman Baths algae could fuel cars

Now, any tax break for natural resource extraction is in itself is a point of contention among environmentalists, myself included, but I will leave those arguments aside for now and focus on the purely economic issue with this tax deduction.

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