The causes after the poisoning deactivation and thermal deactivation of bifunctional catalysts for direct synthesis of dimethyl ether (DME) from biomass syngas and the countermeasures were reviewed.

概述了生物质气一步法合成二甲醚双功能催化剂的热失活、中毒失活的原因及其解决方案。

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Now, it's true that amazing gains are being made in the efficiency of internal combustion engines, both gas and diesel: direct injection, cylinder deactivation, stop-start, eco-mode throttle mapping, to name a few of the recent applied technologies.

WSJ: Ford C-Max Hybrid Energi: The Bawdy Electric

Silverado and Sierra will accomplish its new mileage pinnacle with a 5.3L EcoTec3 V-8 relying on direct injection, cylinder deactivation and variable-valve timing to achieve EPA estimates of 16 mpg in the city and 23 mpg on the highway with two-wheel drive, or 16 in the city and 22 on the highway with four-wheel drive.

FORBES: GM Scores EcoBoost Via Higher MPG Claim On New Silverado