Oppo R11 Plus mobile was launched in June 2017. The phone comes with a 6.00-inch touchscreen display offering a resolution of 1080x1920 pixels. Oppo R11 Plus is powered by an octa-core Qualcomm ...

Acer Aspire R11 is a Chrome OS laptop with a 11.60-inch display that has a resolution of 1366x768 pixels. It is powered by a Celeron Dual Core processor and it comes with 4GB of RAM. The Acer Aspire ...

根据化学成分和环境影响，制冷剂可分为四代： 第一代制冷剂：氯氟烃类（CFCs），如CFC-11（R11）、CFC-12（R12），因破坏臭氧层已被淘汰。 第二代制冷剂：氢氯氟烃（HCFCs），如HCFC-22（R22），对臭氧层破坏较小，但仍具有较高GWP值，正逐步被淘汰。 第三代制冷剂 ...

But, previous refrigerants, used so effectively to cool and heat our interior spaces, have a higher global warming potential (GWP) than R-32. 1 Conditioning indoor air takes energy. Inefficient ...

As part of the HFC phase down, Australia’s HVACR industry is making the transition to low GWP refrigerants. It is important for industry to understand the key mechanisms driving this change to ensure ...

An international agreement to phase out hydrofluorocarbons (HFCs) with high global warming potential (GWP) ironically poses some complications for Canadian building owners contemplating the ...

Eastern Michigan Joint college of Engineering, Beibu Gulf University, Qinzhou 535011, P. R. China Guangxi Key Laboratory of Ocean Engineering Equipment and Technology, Qinzhou 535011, P. R. China ...