近日，中国科学院生态环境研究中心朱本占研究团队在国际期刊《Journal of Environmental ...

In addition to spitting hot bars on the track, to the surprise of many fans, some rappers also play instruments. Here's a list of MCs who can rock more than just a microphone.

本文利用搭载高灵敏度、通用型脉冲放电氦离子化检测器（PDHID）的岛津Nexis GC-2030气相色谱仪，建立了高纯氢气中杂质的测定方法。该方法采用夹套吹扫型气体十通阀进样，利用多阀组合切割技术，放空大量氢气对检测的干扰，一次进样即可实现高纯氢中微量或 ...