The isolation methods for the actinoplanetes are compared and the ecological distribution of the actinoplanetes in the intertidal zone of Xiamen sea area is studied.
比较了不同方法对厦门海区潮间带游动放线菌的分离效果和分析游动放线菌在不同材料中的种群数量分布。
88 mg/100 g free formaldehyde emission,meeting E, graded GB 18580-2001《Formaldehyde emission of interior decoration material-com.
用这种改性树脂压制的中密度纤维板(MDF)性能可达到国家标准优等品的要求,游离甲醛释放量也可达到国标GB 18580-2001《室内装饰装修材料-人造板及其制品中甲醛释放量》中E1级要求。
The ammonia treatment could reduce the free formaldehyde emission of MDF, and the p.
采用氨气处理法降低MDF游离甲醛释放量的效果明显,可使板材的游离甲醛释放量控制在9mg/100 g以内,达到E1级级标准要求。