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2 天
美国标准ASTM D5116小型环境室法测量室内材料和产品中VOCs排放
挥发性有机化物(VOCs)可能对健康造成危害,例如引发呼吸问题和过敏反应。ASTM D5116 标准指南旨在测量建筑材料中VOCs的排放。该方法在控制的环境室内进行,保持恒定的温度、湿度、通风率和负载因子,以确保测试的准确性。测试包括样品的准备、放置、暴露 ...
大江网
5 天
Chinese PV leaders strive to be the lightchaser in the Middle East desert
DUBAI, Sept. 16 (China Economic Net) - About 65 kilometers south of downtown Dubai, in the heart of the vast desert, a ...
Swissinfo
5 天
柬埔寨争议森林碳权专案 Verra稽查后恢复运作
(法新社金边16日电) 柬埔寨一项森林碳权专案先前传出侵害当地人权而暂停并接受调查。经一年多稽查后,碳权认证机构Verra宣布专案缺失已改善,可恢复启动。但人权团体批评稽查根本不完备。
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