The Structure of the Atom[的原子结构 ](PPT-74).ppt,Names of Monatomic Ions monatomic cations: element name + “ion” monatomic anions: element name with “ide” suffix + “ion” Common Monatomic Ions Naming Transition Metal Cations The name of a transiti
电子可以在轨道间跃迁: 低能级轨道 高能级轨道(吸收能量) 高能级轨道 低能级轨道(释放能量) 2-1 物质的形态及材料结构 (States of Matter and Structure of Materials) 2-1-1 物质的形态 ( States of Matter ) 三种主要状态:气态、液态、固态 2-1-2 材料结构的涵义 (Meaning of Material Structure) 宏观...
高等的有机合成.ppt,高等有机合成 Advanced Organic Synthesis An extension of this method 氧化反应的概念 碳原子周围电子云密度的降低,即碳原子氧化数(氧化态,氧化值)升高的反应。 广义的概念 狭义的概念 加氧反应和/或脱氢反应。 氧化反应的分类 1. 碳原子上的氢被吸
9、neighb or atoms touch one another.Lattice-a three-dimensional array of points coinciding with atom positions or sphere centers.4ppt课件3.3 Unit Cells It is often convenient to subdivide the structure into small repeat entities called unit cells.Unit cells for most crystal structures are parallele...
The functional group of a ketone consists of a carbon atom connected by a double bond to an oxygen atom 酮的官能团是由一个通过双键与氧原子相连的碳原子组成的。,8.4 定语从句作后置定语 英语 61、中的定语从句是各种从句中最复杂的一种从句,也是汉译时最难处理的一种从句。 同被动语态一样,定语从句...
By convention, the third atom class of the four is the trigonal atom on which the improper torsion is centered. 塑料地板: 是以高分子合成树脂为主要材料,加入其他辅助材料,经一定的制作工艺制成的预制块状、卷材状或现场铺涂整体状的地面材料。
4、1Atomic Structure and Bonding52. Atomic numbers The atomic number of an atom indicates the number of protons (positively charged particles) which are in its nucleus, and in a neutral atom the atomic number is also equal to the number of electrons in its charge cloud. All the elements ha...
Most single-walled nanotubes (SWNT) have a diameter of close to 1 nanometer, with a tube length that can be many millions of times longer. The structure of a SWNT can be conceptualized by wrapping a one-atom-thick layer of graphite called graphene into a seamless cylinder. The way the ...
Crystalstructure---themannerinwhichatoms,ions,ormoleculesarespatiallyarranged.Atomichardspheremodel---atomsorionsarethoughtofasbeingsolidsphereshavingwell-defineddiameters.Spheresrepresentingnearest-neighboratomstouchoneanother.Lattice---athree-dimensionalarrayofpointscoincidingwithatompositionsorspherecenters.5 ppt课件...
英译汉的技巧加注annotation释义.ppt,英译汉的技巧加注annotation释义 Somehow our path took us toward the park, across the bridge high above the rolling waters of the river. 我们不知不觉朝公园走。公园就在桥对面,湍急的河水在高高的桥下流过。 The image of a su