此前的策略是在凉爽的季节里，有控制地燃烧部分森林，以减少可燃物载量（fuelloads），由于市区民众纷纷抗议由此引起的烟雾，这个办法已经在许多城市被弃用。
Controlled burning in cooler months, to reduce fuel loads, was given up in many places after city people protested about smoke hazes.
潜在的可燃材料包括：家具，服装，皮棉，和部分建设。
Potential combustible materials include furniture, garments, lint, and portions of the building.
部分可燃工质效率较高，但其可燃性又对系统的安全运行带来了严峻的挑战。
Some flammable refrigerants are high efficient, but their flammability brings much danger for their applications.
黑液气化是黑液中的有机质发生分解和部分氧化，生成可燃气体和无机物的化学反应过程。
Gasification of black liquor is a process of oxidizing and decomposing of the organic materials contained in the black liquor, and producing gaseous products and inorganic chemicals.
黑液气化是黑液中的有机质发生分解和部分氧化，生成可燃气体和无机物的化学反应过程。
Gasification of black liquor is a process of oxidizing and decomposing of the organic materials contained in the black liquor, and producing gaseous products and inorganic chemicals.
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