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
moisty查看　moisty　在百度字典中的解释百度英翻中〔查看〕
moisty查看　moisty　在Google字典中的解释Google英翻中〔查看〕
moisty查看　moisty　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:


  • Mineral | Types Uses | Britannica
    Mineral, naturally occurring homogeneous solid with a definite chemical composition and a highly ordered atomic arrangement Usually formed by inorganic processes, there are several thousand known mineral species, about 100 of which constitute the major mineral components of rocks
  • Mineral - Classification, Properties, Types | Britannica
    Mineral - Classification, Properties, Types: Since the middle of the 19th century, minerals have been classified on the basis of their chemical composition Under this scheme, they are divided into classes according to their dominant anion or anionic group (e g , halides, oxides, and sulfides) Several reasons justify use of this criterion as the distinguishing factor at the highest level of
  • Mineral - Occurrence, Formation, Compound | Britannica
    Mineral - Occurrence, Formation, Compound: Minerals form in all geologic environments and thus under a wide range of chemical and physical conditions, such as varying temperature and pressure The four main categories of mineral formation are: (1) igneous, or magmatic, in which minerals crystallize from a melt, (2) sedimentary, in which minerals are the result of sedimentation, a process whose
  • Mineral - Phase Diagrams, Crystallography, Chemistry | Britannica
    Mineral - Phase Diagrams, Crystallography, Chemistry: Phase (or stability) diagrams are used to illustrate the conditions under which certain minerals are stable They are graphs that show the limiting conditions for solid, liquid, and gaseous phases of a single substance or of a mixture of substances while undergoing changes in pressure and temperature or in some other combination of
  • mineral - Kids | Britannica Kids | Homework Help
    A mineral can be identified by comparing its hardness to the hardness of these 10 minerals The cleavage of a mineral is the way it splits or breaks Mica, for example, breaks into thin, flat sheets Streak is the color of a mineral’s powder Streak is produced by rubbing a piece of mineral against the surface of rough porcelain, a type
  • Mineral - Composition, Variation, Classification | Britannica
    Mineral - Composition, Variation, Classification: As stated above, most minerals exhibit a considerable range in chemical composition Such variation results from the replacement of one ion or ionic group by another in a particular structure This phenomenon is termed ionic substitution, or solid solution Three types of solid solution are possible, and these may be described in terms of their
  • mineral - Students | Britannica Kids | Homework Help
    A mineral is defined as a naturally occurring solid that has a definite chemical composition and an ordered, usually crystalline, atomic structure Minerals form through inorganic, or nonliving, processes
  • Mineralogy | Crystallography, Petrology Geochemistry | Britannica
    Mineralogy, scientific discipline that is concerned with all aspects of minerals, including their physical properties, chemical composition, internal crystal structure, and occurrence and distribution in nature and their origins in terms of the physicochemical conditions of formation A brief
  • Mining | Definition, History, Examples, Types, Effects, Facts . . .
    Mining, process of extracting useful minerals from the surface of the Earth, including the seas A mineral, with a few exceptions, is an inorganic substance occurring in nature that has a definite chemical composition and distinctive physical properties or molecular structure (One organic
  • Mineral deposit | Definition, Examples, Facts | Britannica
    Mineral deposit, aggregate of a mineral in an unusually high concentration About half of the known chemical elements possess some metallic properties The term metal, however, is reserved for those chemical elements that possess two or more of the characteristic physical properties of metals





中文字典-英文字典  2005-2009