这款鞋采用聚亚氨脂能够将脚跟的冲击力转化，提供给前脚，让你不管是什么运动都能很轻松。
Teva made the Aravalli Shoes with polyurethane EVA units in the heel cups which transfer impact throughout the footbed and provide greater spring for your forefoot push-offs.
亚特兰大乔治亚技术研究院的斯瑞尼瓦斯·盖瑞·麦拉正在开发用外部热源把氨从溶液中蒸发出来的系统。
Srinivas Garimella at the Georgia Institute of Technology in Atlanta is developing a system in which external heat is used to boil off ammonia vapour from a solution.
生物炭在澳大利亚使用后，几个月后，农田的碳排放量剧减70%多，与此同时，它还能阻止土壤里的氨氮溶入水体。
Biochar applied to Australian fields and left for a number of months cut such emissions by more than 70 percent as well as preventing nitrogen and ammonia from leaching out of the soil in water.
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