例句與造句

1. The chemical properties of these surface differ considerably, particularly in their reaction to etchants .
   這些不同的晶面，具有很不相同的化學(xué)性質(zhì)，特別是對化學(xué)腐蝕劑的反應(yīng)不一致。
2. Destructive tests on welds in metallic materials - etchants for macroscopic and microscopic examination cr 12361 : 1996
   金屬材料焊縫破壞性試驗.宏觀和微觀檢驗用浸蝕劑
3. The relationship between capacitance and corrosion conditions in the enlargement of tunnels justifies the latter competition mechanism the varied etching conditions were implemented by enhancing the passivating characteristics and viscosity , changing the a13 + concentration , temperature of etchants and current pulsation . passivating acid in the etchant is conducive to the instant passivation of exposed areas on the foil surface , and hence sustains the balance of competition between aggressive anions and passivators , providing pit nucleatiori sites continuously
   通過侵蝕液中添加草酸、硫酸、乙二醇，改變侵蝕液al ~ ( 3 + )濃度和電流紋波等方法，研究了不同的侵蝕條件對隧道孔形貌和比容的影響，結(jié)果表明：草酸和硫酸既保護了鋁箔表面又促進了隧道孔孔壁的迅速鈍化，增加發(fā)孔密度。
4. It's difficult to find etchants in a sentence. 用etchants造句挺難的