据健康专家介绍，fine particles（细微颗粒）粒径小，富含大量的有毒、有害物质且在大气中的停留时间长、输送距离远，因而对人体健康和大气环境质量的影响更大。
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Firstly, the mechanisms of fine particle formation during coal combustion have been analyzed. Main particulate matter formation are due to vaporization and subsequent condensation of inorganic matter, included mineral coalescence, char fragmentation and excluded mineral fragmentation.
本文首先详细分析了燃煤过程中细微颗粒物形成机理,目前认为主要的颗粒物形成机理有:无机矿物的气化凝结、内在矿物的聚结、煤焦的破碎和外在矿物质的破碎。
参考来源 - 煤焦特性及其对灰形成的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
拟晶体任一种由蛋白质构成的类似晶体的细微颗粒，发现于某些植物的细胞，尤其是在油料种籽中。
Any of various minute crystallike particles consisting of protein and found in certain plant cells, especially oily seeds.
这种救生罩带有一个HEPA过滤器，它能过滤超过99.97%的细微颗粒，如炭疽，天花和放射性粒子。
The hood contains a HEPA filter that removes more than 99.97 percent of submicron particles such as anthrax, smallpox, and radioactive particles.
粉末通过具有扁平横截面的管道（5）分配，以使聚结的粉末散开并用于产生具有细微颗粒尺寸的喷羽流（3）。
The powder is dispensed through a duct (5) with a flat cross section to deagglomerate the powder and to generate a spray (3) with fine particle size.
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