charge efficiency
111Buck converter — A buck converter is a step down DC to DC converter. Its design is similar to the step up boost converter, and like the boost converter it is a switched mode power supply that uses two switches (a transistor and a diode) and an inductor and a… …
112Water supply and sanitation in the Netherlands — is provided in good quality and at a reasonable price to the entire population. Water consumption is one of the lowest in developed countries at 124 liter per capita per day and water leakage in the distribution network is one of the lowest in… …
113diesel engine — a compression ignition engine in which a spray of fuel, introduced into air compressed to a temperature of approximately 1000° F (538° C), ignites at a virtually constant pressure. Also called diesel. [1890 95] * * * Internal combustion engine in …
114marketing — /mahr ki ting/, n. 1. the act of buying or selling in a market. 2. the total of activities involved in the transfer of goods from the producer or seller to the consumer or buyer, including advertising, shipping, storing, and selling. [1555 65;… …
115Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
116Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… …
117Solar inverter — Internal view of a solar inverter. A solar inverter or PV inverter is a critical component in a Photovoltaic system. It performs the conversion of the variable DC output of the Photovoltaic (PV) modules into a utility frequency AC current that… …
118Antenna measurement — techniques refers to the testing of antennas to ensure that the antenna meets specifications or simply to characterize it. Typical parameters of antennas are gain, radiation pattern, beamwidth, polarization, and impedance.The antenna pattern is… …
119Overpotential — This article is about a concept in electrochemical use in electrical engineering. For overvoltage, see Overpotential (disambiguation). Overpotential is an electrochemical term which refers to the potential (voltage) difference between a half… …
120Water supply and sanitation in Brazil — has proved to be a resilient and resourceful sector, despite tremendous challenges and persistent inequalities in the sector. A lot has been achieved during the past decades, including a sustained improvement in efficiency and improved access.… …
