核反应堆活性区需要水来冷却,而海啸切断了冷却系统的电力供应,各种应急措施相继失效,迫使操作人员引海水灌入反应堆以降低其温度。
The nuclear cores need water to cool them down, and the tsunami swamped Fukushima and initially cut off electricity powering the cooling systems.
结果表明:催化裂解可显著降低吸热型碳氢燃料发生裂解反应的温度,提高其吸热能效。
In catalytic cracking process, compared with thermal cracking, cracking temperature of endothermic hydrocarbon fuel could be decreased, so its endothermic capability could be increased effectively.
结果表明,经过阻燃处理的木材其氧指数和剩碳率比未处理的木材升高,而热降解反应活化能和分解温度降低。
Experimental data showed that for the treated wood there was an increase in char yield and LOI, and decreases in activation energy and temperature of decomposition.
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