As it passes its quarter-century, we look back on the eventful history of the O2/Millennium Dome. It was built to celebrate the Millennium. Millions visited, but not as many as hoped. It was a flop; a ...

O2 brings next-generation 5G+ connectivity to hundreds of communities across Derbyshire O2 has switched on its next-generation 5G+ network in 368 towns and villages across Derbyshire, including Derby, ...

We're combining the UK's favourite mobile network operator 1 with a broadband network offering the nation's fastest widely-available speeds 2. 1. UK's Favourite Mobile Network Operator: O2 ranked top ...

Gasboard-3100P煤气分析仪（便携型）采用自主知识产权的非分光红外、长寿命电化学传感及MEMS热导技术，能同时测量煤气、生物燃气的热值及CO、CO2、CH4、H2、O2、CnHm等气体浓度，具备高精度、无 ...

五氧化二磷传感器利用电解水分子为氢气与氧气原理，此传感器由一个玻璃材质的圆柱和两根并行的电极组成，根据具体应用来选择电极材质（通常由铂或铑金属丝制成），并在两根电极之间涂 ...

半水煤气或粗煤气出口测的是 O2 和 CH4，前者用于判断气化炉是否偏氧、防止爆炸性混合，后者反映气化温度是否偏低。 进变换炉前测的是 H2/CO 比和总硫，H2/CO 比决定配汽量，总硫则决定变换催化剂是否中毒——硫含量超标，催化剂寿命直接打折。