Dewar
/ˈdjuːə(r)/- Dewar, Sir James (1842-1923), Scottish chemist and physicist. He is chiefly remembered for his work in cryogenics, in which he devised the vacuum flask, achieved temperatures close to absolute zero, and was the first to produce liquid oxygen and hydrogen in quantity.杜瓦, 詹姆斯爵士（1842-1923, 苏格兰化学家和物理学家, 主要以其对低温学的研究为世人所铭记; 他在该研究中发明了真空瓶并获得了接近绝对零度的低温, 第一个大量制造了液态氧和液态氢）。