以植物光合作用为基础，这家硅谷初创企业正在开发据说是碳负性的燃料，可从空气中吸收二氧化碳，有朝一日可能将取代汽油的位置。
The Silicon Valley startup is developing what it says are carbon-negative fuels, based on plant photosynthesis, that absorb CO2 from the air and could someday replace gasoline.
抑或是Global Thermostat公司推出的“负碳”技术？该公司称这项技术能直接从空气中吸收二氧化碳。
Or perhaps it will be Global Thermostat, which says its "carbon negative" technology can suck carbon dioxide right out of the air.
基于半导体可饱和吸收镜（SESAM）的负克尔效应，对含SESAM的五镜腔进行了理论计算和分析。
The five-mirror laser cavity containing a semiconductor saturable absorber mirror (SESAM) with negative Kerr effect is theoretically analyzed for the first time.
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