- static electrometer
- 静力静电计
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
Electrometer — An electrometer is an electrical instrument for measuring electric charge or electrical potential difference. There are many different types, ranging from historical hand made mechanical instruments to high precision electronic devices. Modern… … Wikipedia
electrometer — noun a) A device used to detect and measure static electricity; an electroscope. b) A precision voltmeter that draws almost no current from the circuit … Wiktionary
mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph … Universalium
Atmospheric electricity — is the regular diurnal variations of the Earth s atmospheric electromagnetic network (or, more broadly, any planet s electrical system in its layer of gases). The Earth’s surface, the ionosphere, and the atmosphere is known as the global… … Wikipedia
Electrostatic generator — An electrostatic generator, or electrostatic machine, is a mechanical device that produces static electricity , or electricity at high voltage and low continuous current. The knowledge of static electricity dates back to the earliest… … Wikipedia
History of electrochemistry — Electrochemistry, a branch of chemistry, went through several changes during its evolution from early principles related to magnets in the early 16th and 17th centuries, to complex theories involving conductivity, electrical charge and… … Wikipedia
Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… … Wikipedia
Electric charge — SI symbol: Q SI quantity dimension: Q SI unit: coulomb other units: e Derivations from other quantities: Q = I · … Wikipedia
History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… … Wikipedia
Electricity — (from the Greek word ήλεκτρον, (elektron), meaning amber, and finally from New Latin ēlectricus , amber like ) is a general term that encompasses a variety of phenomena resulting from the presence and flow of electric charge. These include many… … Wikipedia
Versorium — (Latin turn around ) is a device for detecting the presence of static electricity and the first known electrical device.cite journal author = Brian Davies, year = 1980 title = To make a vain man humble journal = Physics Education volume = 15… … Wikipedia