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rubefacient

XDict

a. 使发红的
n. 发红剂

PyDict

使发红的发红剂

WordNet (r) 3.0 (2006) (WordNet)

rubefacient
n 1: a medicine for external application that produces redness
of the skin

The Collaborative International Dictionary of English v.0.48 (gcide)

Rubefacient \Ru`be*fa"cient\, a. [L. rubefaciens, p. pr. of
rubefacere to make red; rubere to be red facere to make.]
Making red. -- n. (Med.) An external application which
produces redness of the skin.
[1913 Webster]

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英文字典中文字典相关资料:

Understanding HVAC Control Circuits - engineermd. com
HVAC control circuits are the nervous system of an HVAC unit They consist of low-voltage electrical signals (typically 24 volts) that trigger high-voltage components to turn on or off
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Electronic control systems utilize semiconductor devices to manage HVAC units, including sensors, controllers, and output devices like dampers and actuators These systems provide precise control over temperature, pressure, and humidity in buildings, improving energy efficiency and comfort
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Power electronics involves the use of semiconductor devices to control and convert electrical power In HVAC systems, this translates to precise control of motors, compressors, and fans, leading to significant improvements in efficiency and comfort
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Learn how HVAC controls work and optimize your home's comfort with our comprehensive guide Discover the basics of thermostats, sensors, and automated systems for efficient climate control
Electrical Controls - Refrigeration Basics
An HVAC system is designed to combust fuels or consume electrical energy to provide heating or cooling to a conditioned space These systems must be controlled and made safe Operating controls sense temperature and signal the system to operate or shut off and rest
HVAC Electrical Control Panels: Boost Efficiency Climate Control
Discover how electrical control panels optimize HVAC systems for peak efficiency, precise climate control, and significant energy savings Learn about key components and applications
Fundamentals of HVAC Control Systems - ScienceDirect
Publisher Summary This chapter introduces simple electrical circuits and common devices used to provide and control electrical power in heating, ventilation, and air conditioning (HVAC) systems
Control Circuits for Air Conditioning and Heating | HVAC
Relays and contactors are used in HVAC control circuits to turn things on and off such as a blower motor, condenser fan motor, or compressor Furthermore, contactors and relays work in much the same way in a typical HVAC control circuit
Microsoft Word - Course - Basic Eectricity for HVAC R. doc
A control circuit is a special type of circuit that uses control devices to determine when loads are energized or de-energized by controlling current flow Control circuits usually carry lower voltages than power circuits

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