环保性能卓越R454A的全球变暖潜能值（GWP）仅为238（AR5标准），相比R404A（GWP 3943）降低约95%，且臭氧消耗潜值（ODP）为0。这一特性使其完全符合欧盟F-Gas法规等国际环保要求，成为应对气候变化的关键选择。 能效显著提升 制冷效率：实验数据显示，R454A的制冷 ...

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 ...

LOUISVILLE, Ky. (WAVE) - We’ll see a mix of sun and clouds throughout the day as temperatures soar into the upper 70s and low 80s. Southerly wind gusts near 30 MPH will help with the warming process.

A pipeline company’s lawsuit against the environmental group could chill free speech, experts said. First Amendment issues are likely to figure prominently in an appeal. By Karen Zraick He ...

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 ...

Department of Civil and Environmental Engineering, University of California, Davis, California 95616, United States ...

Mar. 28, 2025 — Why do some plants thrive in specific regions but not in others? A study explores the factors shaping plant distributions and how these patterns have changed over millions of ...

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 ...

1st in the world for Development Studies (QS World University Rankings by Subject 2025). Our four departments are in the UK's top 20 (QS University Rankings 2024). The School of Global Studies is a ...

LOS ANGELES (KABC) -- Parts of Southern California will continue to see light rain on Monday. A weak atmospheric river is bringing light showers to the region. The light rain is expected to hit at ...