weak base

音标发音

• 英式音标 [ˈwiːk ˌbeɪs]
• 美式音标 [ˈwiːk ˌbeɪs]
• 英式发音
• 美式发音

基本解释

• [化学] 弱碱

同根派生

英汉例句

双语例句

• After treatment with ultrafine activated adsorption material as raw material made with a chemically inert, can be used to absorb water, weak acid, weak base;
  以经过活化处理的超细吸附材料为原材料制成，具有化学惰性，可广泛用于吸收水、弱酸、弱碱；
• This study provides further basis for the use of natural bones as bone implants. It showed that in weak acid and weak base the pig bone hydroxyapatite was stable, …
  实验表明猪骨在弱酸弱碱溶液中羟基磷灰石相是稳定的，但晶粒尺寸、结晶度和非晶含量有所变化。
• Weak base ASP flooding makes up of alkyl benzene sulfonate, the combination of mahogany sulfonate and alkyl benzene sulfonate, and the combination of alkyl benzene sulfonate and bio surfactant.
  弱碱三元复合驱包括弱碱烷基苯磺酸盐、石油磺酸盐和烷基苯磺酸盐复配、烷基苯磺酸盐与生物表面活性剂复配；

权威例句

• Viacom will likely look to cash in on the expected success of upcoming Paramount Pictures films like Kung Fu Panda 2, and should benefit from a weak comparison base in 2010.
  FORBES: Viacom Kicks Assets, Makes Money, Stock Goes To $52
• By making a clear statement that they want American troops gone, albeit on an unspecified timetable, they may open the way for Republicans eventually to declare victory in Iraq, while Democrats claim a withdrawal for their base without appearing weak on security.
  ECONOMIST: Calling for the troops to go The

词组短语

短语

• weak -base ion-exchange resin 弱碱性离子交换树脂
• weak tax base 税源不足
• weak acid base fluid 弱酸基液

英英字典

剑桥英英字典

• a base whose molecules do not break down into smaller molecules or atoms in water

专业释义

化学

• 弱碱

  The catalyst which is modified by weak base was more active than that modified by strong base in alkali catalyst modification.
  弱碱修饰的催化剂优于强碱修饰的催化剂。

  数学

• 弱基

  In the first chapter, we use weak base g—functions to study metrization problem, and the main results include three parts .
  在第一章中，我们以弱基g-函数为工具研究了度量化定理，主要的结果分为三个方面。