英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:


请选择你想看的字典辞典:
单词字典翻译
cernere查看 cernere 在百度字典中的解释百度英翻中〔查看〕
cernere查看 cernere 在Google字典中的解释Google英翻中〔查看〕
cernere查看 cernere 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Mixture - Wikipedia
    In chemistry, a mixture is a material made up of two or more different chemical substances which can be separated by physical method It is an impure substance made up of 2 or more elements or compounds mechanically mixed together in any proportion [1]
  • Glossary of chemistry terms - Wikipedia
    This glossary of chemistry terms is a list of terms and definitions relevant to chemistry, including chemical laws, diagrams and formulae, laboratory tools, glassware, and equipment Chemistry is a physical science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions; it features an extensive vocabulary and a
  • Powder mixture - Wikipedia
    A powder is an assembly of dry particles dispersed in air If two different powders are mixed perfectly, theoretically, three types of powder mixtures can be obtained: the random mixture, the ordered mixture or the interactive mixture
  • Separation process - Wikipedia
    A separation process is a method that converts a mixture or a solution of chemical substances into two or more distinct product mixtures, [1] a scientific process of separating two or more substances in order to obtain purity At least one product mixture from the separation is enriched in one or more of the source mixture's constituents
  • Chemical substance - Wikipedia
    Chemical Abstracts Service (CAS) lists several alloys of uncertain composition within their chemical substance index [5] While an alloy could be more closely defined as a mixture, referencing them in the chemical substances index allows CAS to offer specific guidance on standard naming of alloy compositions Non-stoichiometric compounds are another special case from inorganic chemistry, which
  • Chemical composition - Wikipedia
    The chemical composition of a mixture can be defined as the distribution of the individual substances that constitute the mixture, called "components" In other words, it is equivalent to quantifying the concentration of each component [2] Because there are different ways to define the concentration of a component, there are also different ways to define the composition of a mixture It may
  • Emulsion - Wikipedia
    An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable) owing to liquid-liquid phase separation Emulsions are part of a more general class of two-phase systems of matter called colloids Although the terms colloid and emulsion are sometimes used interchangeably, emulsion more narrowly refers to when both phases, dispersed and continuous, are
  • Decantation - Wikipedia
    Decantation is a process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture such as a suspension [1] The layer closer to the top of the container—the less dense of the two liquids, or the liquid from which the precipitate or sediment has settled out—is poured off, leaving denser liquid or the solid behind





中文字典-英文字典  2005-2009