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    1. silica

      英 ['s?l?k?] 美['s?l?k?]
      • n. 二氧化硅;[材] 硅土
      • n. (Silica)人名;(羅)西莉卡

      TEM8TOEFL暢通詞匯

      助記提示


      on model of alumina, soda.

      中文詞源


      silica 硅石,二氧化硅

      來自拉丁語 silicis,所有格形式于 silex,打火石,鵝卵石,小石子。后用于指二氧化硅。

      英文詞源


      silica (n.)
      "hard silicon dioxide," 1801, Modern Latin, from Latin silex (genitive silicis) "flint, pebble," on model of alumina, soda.

      雙語例句


      1. AAR can be assorted two classifications: Alkali - Silica Reaction ( ASR ) and Alkali - Carbonate Reaction ( ACR ).
      AAR主要 分兩類: 堿 - 硅酸反應(yīng)(Alkali-Silica Reaction, 簡稱 ASR ) 和堿 - 碳酸鹽反應(yīng) ( Alkali-CarbonateReaction,簡稱ACR ).

      來自互聯(lián)網(wǎng)

      2. The oxidation rates are fastest in freshly cleaned silica vessels.
      在新清洗的二氧化硅容器中,氧化速度是最快的.

      來自辭典例句

      3. The commercial product however, containing silica and silicates, has a positive effect.
      然而含有硅石和硅酸鹽的工業(yè)品都有肯定的效果.

      來自辭典例句

      4. Frictional behavior is modified by colloidal silica or starch deposition.
      耐磨損性能可以通過在織物上沉淀膠狀硅或淀粉一類物質(zhì)而得到改善.

      來自辭典例句

      5. The crude oil is chromatographed over silica gel.
      粗制油狀物用硅膠進(jìn)行色譜分離.

      來自辭典例句