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[2] The term lighting control system refers to an intelligent networked system of devices related to lighting control. These devices may include relays, occupancy sensors, photocells, light control switches or touchscreens, and signals from other building systems (such as fire alarm or HVAC). Adjustment of the system occurs both at device ...
2-Chloronicotinic acid (2-CNA) is a halogenated derivative of nicotinic acid that is used as an intermediate in the production of a variety of bioactive compounds, [4
An astronomical (or astronomic) timer calculates dawn and dusk times (tracking the sun position) for each day of the year based on the latitude and longitude (or just north/central/south and time zone on more cheaply made ones), and the day of the year (month and date), programmed by the user upon installation in addition to the usual time of day, except in the case of GPS enabled astronomic ...
These Korean greenhouses were the first active greenhouses that controlled temperature, rather than only relying on energy from the sun. [2] The design still included passive heating methods, such as semi-transparent oiled hanji windows to capture light and cob walls to retain heat, but the furnace provided extra control over the artificial ...
The greenhouse industry is the second largest component of the CEA industry but another quickly growing segment is the vertical farming industry. Controlled Environment Agriculture has the ability to produce crops all year round, with the possibility of increased yield by adjusting the amount of carbon and nutrients the plants receive.
A sprinkler system timer is an electrical device that is used to set an irrigation sprinkler system to come on automatically at a certain time. Irrigation timers first appeared in the early 1960s to control large-radius lawn sprinklers, which at the time usually contained their own electrically operated valve (most golf-course sprinklers still use this type of actuation).
Implementing "circadian light" treatment could be in the form of windows, skylights, or blue indoor lighting fixtures or blue light therapy devices. [ 13 ] [ 1 ] There is also evidence that exposing rooms to natural daylight will make a room feel larger and more comfortable. [ 14 ]
These timer apps can be set for a specific time [2] and can be used for tracking working or training time, motivating children to do tasks, replacing an hourglass-form egg timer in board games such as Boggle, or for the traditional purpose of tracking time when cooking. Apps may be superior to hour glasses, or to mechanical timers.
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