Coherence between Seasonal Variation and Methane Sulfonic Acid(MSA) Particles in Marine Atmosphere of Zhuhai 珠海海洋大气中甲磺酸(MSA)粒子与季节变化的相关性
Presence of Methane Sulfonic Acid(MSA) ( MSA ) in individual particles was determined with an electron microscope using multiple thin film method. 利用复合薄膜法和电子显微镜检测甲磺酸(MSA)粒子。
The large subunit also showed activity on several alkane derivatives, including nitromethane and methane sulfonic acid, but it did not act on any aromatic hydrocarbons. 该单加氧酶大亚基在以包括硝基甲烷,甲磺酸(MSA)等几种烷烃衍生物为底物时,也表现了一定的活性,而以芳香烃化合物为底物时则无活性。
A one-step new process of the preparation of 2-sec-butyl-4,6-dinitrophenol ( DNBP ) with 2-sec-butylphenol and nitric acid as raw materials and methane sulfonic acid as catalyst is proposed in this paper. 提出了以甲基磺酸作催化剂在硝酸中一步硝化邻仲丁基苯酚制取邻仲丁基-4,6-二硝基苯酚(DNBP)的新工艺。
Pharmacokinetics of levofloxacin methane sulfonic acid in patients with pulmonary tuberculosis 甲磺酸(MSA)左氧氟沙星在肺结核患者体内的药代动力学研究