转炉炼钢的特点是吞吐量大、周期短、冶炼强度高，转炉生产中易产生大量烟气，其主要成分是煤气，其中CO约占60％～70％．它是一种有毒、有害、易燃、易爆的危险性气体．也是一种很好的化工原料和工业生产能源。因此，对转炉煤气的净化与回收是炼钢中不 ...

Anyone with an older phone that’s currently connected to the O2 network needs to upgrade immediately. The popular UK provider has just issued a final warning, and ignoring it could leave some without ...

12:30, Fri, Dec 12, 2025 Updated: 12:35, Fri, Dec 12, 2025 Money expert Martin Lewis has urged O2 customers to report it after they were hit with unexpectedly large final bills for trying to ditch the ...

Researchers found that eroded lava rubble beneath the South Atlantic can trap enormous amounts of CO2 for tens of millions of years. These porous breccia deposits store far more carbon than previously ...

贝斯安智能无人机气体检测仪（BSA/QT-WRJ）是深圳市贝斯安智能科技专为无人机搭载环境监测而专门研发生产的一 款产品 ...

It’s not often you get something for nothing these days, but that is exactly what O2 is offering throughout December. The mobile network provider is indulging in some festive cheer by announcing it ...

ME NextGen College Investing Plan Select iShares Core 60/40 Balanced Allocation Portfolio A 11.11 ME NextGen College Investing Plan Select iShares Core 40/60 Moderate ...

Kenneth J. Davis does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Oak trees change their fine roots and ‘energise’ soil microbes by supplying them with a cocktail of small organic compounds, all to supplement the trees’ supply of essential nutrients when exposed to ...

NASA's Orbiting Carbon Observatory 2 (OCO-2) satellite launched in summer of 2014. Its observations could allow scientists to constrain CO2 fluxes across regions or continents that were previously ...