Aiming at the zinc residue in the weld joint nugget of DP590GA, a double-impulse welding parameter with preheating impulse is designed to further improve its mechanical properties of the weld joint.

并针对DP590GA焊点熔核中锌元素的残留现象，设计出加预热的双脉冲焊接规范，进一步改善其点焊接头的力学性能。

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Black Powder Media showed up at our double-wide HQ with a couple Bluetooth Impulse Controllers on hand for us to play with.

ENGADGET: Black Powder Media's Impulse Controller hands-on (video)

Double lattes, fresh flowers and checkout-aisle chewing gum are all perfectly harmless impulse buys.

FORBES

As impulse sales are forecast to continue to rise in 2012 (albeit not into double figures), brands must work harder for their share of the grab and go market.

FORBES: Top 10 UK Food and Drink Trends For 2012