The application and the progress in the preparation of nanometer sized materials by molecular self assembly method are reviewed. 对分子自组装技术在纳米材料制备方面的应用及其研究进展作了综述报导。
The paper explains the circuit design principle and assmbly technology of the high impedance voltmeter made by ourselves. 阐述自制高阻抗伏特计的电路设计原理与组装技术。