Scientists currently use electrical impulses to stimulate the muscle cells grown in the laboratory, but haven't yet figured out how to do it on a mass-factory scale.

目前科学家使用电流脉冲来刺激这些肌肉细胞生长，但是还没有找到工厂量化生产的办法。

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To avoid chemical or electrical hazards, always observe safe laboratory practice when operating the system.

为避免化学危害和电气危害，请遵守实验室安全操作规范。

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This study discussed the effect of applied voltage on the removal efficiency and electrical energy consumption of electrokinetic remediation kaolin polluted by hexavalent chromium at laboratory scale.

采用电动修复装置进行试验，研究了污染高岭土电动修复过程中不同电压对修复效率和电能消耗的影响，探讨了其经济有效的电压范围。

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The first such program Underwriters Laboratory has been certifying electrical products since 1894.

WSJ: Sierra Club blasts new plan to improve fracking

Prototypes built by researchers at the Naval Research Laboratory, Stanford University and Philips, a Dutch electrical-goods firm, can detect a substance that is present at a concentration of less than one part in a million billion.

ECONOMIST: Labs on a chip