黑錳石 的英文怎麼說

中文拼音 [hēiměngdàn]
黑錳石 英文
calvonigrite
  • 錳 : 名詞[化學] manganese （25號元素, 符號 mn）
  • 石 : 石量詞（容量單位, 十斗為一石） dan, a unit of dry measure for grain （= l00 sheng）
  1. Results indicated that mn, fe, al were the main elements consisting in the darkened coating of the sand media

    研究表明：石英砂濾料表面的黑化物質主要是錳、鐵、鋁等金屬元素富集的結果。
  2. After 8 months of operation, 15 inspected quality indexes of the filtrate from filtration with the media met the standards for drinking water ( gb5749 - 85 ), indicating that either darkened sand or its regenerated sands could be used as filter media as the new sand

    黑化石英砂與其酸、堿清洗再生砂對待濾水水中濁度，鐵、錳去除效果良好，運行8個月後檢測的15項水質指標都達到《生活飲用水衛生標準gb5749 - 85 》要求，且與新砂濾料的處理效果相差無幾。
  3. In the study of adsorbing mn, fe and sb, it was observed that the capability of adsorbing fe and mn of darkened sand was much bigger than that of new quartz sand

    在對黑化砂吸附鐵、錳、銻的研究中，發現黑化砂對鐵、錳的吸附容量都遠遠大於新石英砂。
  4. Results indicated that mn, fe, al were the main elements consisting of the darkened coating of the quartz sand, there was scarcely any microbe at the surface of darkened sand

    研究表明:石英砂表面的黑化附著物主要是錳、鐵、鋁等金屬元素，做生物含量幾乎為零。
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