'과학'에 해당되는 글 172건

• 2021.04.03 Characteristics and history of microorganisms 1
• 2021.02.14 Chemistry basics, SI units and chemical calculations, chemical concentration, equilibrium constant
• 2021.02.14 General steps in chemical analysis
• 2021.02.14 Molecular resonance structure and resonance hybrid
• 2021.02.14 Covalent bond, dipole moment and formal charge
• 2021.01.31 Hybrid orbital function and molecular orbital function, structural formula
• 2020.08.16 LD50, national health indicator
• 2020.08.16 Starch experiment, observation of solubility and viscosity of water containing starch by temperature
• 2020.08.16 Photosynthesis and chromatography in plants
• 2020.08.16 General biology experiment, observation of blood cells