2025 年第一季度 制冷剂 呈现价格上涨、供需两旺的走势。截至3月30日，R32市场均价为47000元/吨，较去年同期上涨67.86%； R22 ...

但其高GWP值使其成为主要的温室气体之一。根据修正案，全球将逐步减少HFCs的生产和消费，R410a等制冷剂的使用也将受到限制。 2. F-Gas法规 欧盟的F-Gas法规是全球环保法规之一。它规定了HFCs的使用和排放标准，并设定了逐步淘汰的计划。例如，R22的使用已被完全 ...

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 ...

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：氢氟烃（HFCs），如HFC-32（R32）、HFC-134a（R134a）、HFC-125（R125），对臭氧层无破坏，但GWP值较高，目前是中国市场的主流制冷剂，但根据 ...

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 ...

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 ...

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 ...

According to border crossing data, on the first day of spring break in 2024, 10,117 vehicles crossed at the southbound Peace Arch border crossing into the U.S. Mohammad Jawaid Aziz, 67, was ...

Morning Bid: A deep breath before 'Liberation Day' A look at the day ahead in European and global markets from Kevin Buckland ...

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 ...