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以下是R407系列各型号制冷剂的详细对比分析，包含成分比例、性能参数及适用场景： ...

The levies are expected to drive up costs for U.S. companies that rely on renewable energy technology from abroad and scramble supply chains worldwide. By Max BearakBrad Plumer and Somini ...

LOUISVILLE, Ky. (WAVE) -Some additional scattered showers are possible this evening, especially in Southern Indiana and in those areas of Kentucky closer to I-64 and I-71. There will be quite a bit of ...

中温冷库（-10 - 0℃）：像食品冷藏库，过去常用 R22，因破坏臭氧层受限，现在 R407C 可替代，制冷效果相近且更环保 ... 现在 R134a、R410A 等符合要求。 少影响全球变暖：GWP 值越低越好，比如 R452A 相比传统制冷剂，对全球变暖影响小，应用渐广。

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 ...

2024年，东岳集团录得约141.81亿元的收益，较去年减少2.15%，毛利率升至21.62%（2023年16.81%），经营溢利率为10.01%（2023年4.49% ...

LOUISVILLE, Ky. (WAVE) - Temperatures won’t drop as much overnight as clouds stick around through Wednesday morning. Lows will be in the 40s as you wake up, with a small shower chance by then as a ...

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 ...

Near-record temperatures continue the next three days ahead of a strong cold front. Expect warm, humid and windy days from Today lasting through Saturday. Afternoon temperatures climb into the mid ...