Changes of Cu, Zn, Fe, and Ca contents in hair during pregnancy;
孕期发中铜锌铁钙含量的动态变化
Objective\ To detect the trace content of iron in human hair.
①目的 测定人发中微量铁含量。
This paper studies its origin and maintains that it comes from the word "bobo"(发发), which describes the sound of bounding and tail swinging of fishes.
探讨它的来源,可以认为它是由描摹鱼儿摆尾跳跃之声、貌的"发发"引申、发展而来的。
Spontaneous Emission in Quantum Well Planar Micro\|Cavities with Metallic Mirrors *;
金属平面半导体量子阱微腔自发发射
The effect of the defect mode on the spontaneous emission power of a dipole embedded in the photonic crystal is explored.
应用传输矩阵法研究了一维有限光子晶体在掺有缺陷和不掺缺陷情况下的电磁模式密度和电场分布,讨论了缺陷模对电偶极子自发发射功率的影响。
We have studied the properties of spontaneous emission from a three level atom embedded in a photonic crystal.
研究了三维光子晶体中三能级原子自发发射的性质 。