perceive [ pE5si:v ]察觉;感知(to become aware of through the senses) [助记法] per(全部)+ceive (拿住)-全部拿住- 发觉 implore [ im5plC: ]恳求, 哀求(to ask for or beg earnestly for) [助记法]im(进入)+plore(悲哀)-进入悲哀-哀 求
共价结合是靠两个原子各贡献一个电子,形成所谓的共价键。 元素周期表中第 IV 族元素 C( Z = 6 )、Si、Ge、Sn (灰锡)等晶体,属金刚石结构,为共价晶体。 共价键的现代理论以氢分子的量子理论为基础。 两个氢原子 A 和 B,在自由状态下时,各有一个电子,其归一化波函数: A B ϕ and ϕ 每个氢原子中的电子满足薛定谔方程:
Scanning Probe Lithography(SPL) Mechanical scratchin Anodization of si surface Electrochemical decomposition of self-assembled monolayer Electrofield induced chemical reaction Electrochemical reaction in solution using protected
Images removed due to copyright considerations. See the following: Figure 1 and Table 1 in Reed SI. 2003. Ratchets and clocks: The cell cycle nover ubiquitylation and protein turnover. Nat Rev. Mol. Cell Biol. 4: 855-864. Figure 1 in Bartek J, Lukas J. Mammalian G1-and S-phase checkpoints in response to DNA damage. Curr Opin Cell