It begins with Maarten Schmidt who hypothesized that star formation rate (SFR) was related to the surface density of atomic hydrogen gas in the cloud.
最早是Maarten Schmidt猜测恒星形成率(SFR)与云层中氢原子气体密度有关。
2
The method for the determination of trace mercury in water samples by hydride generation atomic absorption spectrophotometry after cloud point extraction was proposed.
提出了浊点萃取预富集氢化物发生-原子吸收光谱法测定痕量汞的新方法。
3
Taking the hydrogen atom as an example, the author designs a precise, speedy and convenient application program to draw the atomic orbital and electronic cloud with MATLAB language.