| 单词 | detector |
| 释义 | detector (dɪtektəʳ ) Word forms: detectors countable noun [oft noun NOUN] A detector is an instrument which is used to discover that something is present somewhere, or to measure how much of something there is. ...a metal detector. ...fire alarms and smoke detectors. Collocations: carbon monoxide detector The accident investigators have recommended that piston engine aircraft be fitted with a carbon monoxide detector. Times,Sunday Times By law, you must do an annual gas safety check and fit smoke and carbon monoxide detectors. Times, Sunday Times Carbon monoxide detectors are just as important as smoke detectors, he said. Houston Chronicle And make sure you have smoke and carbon monoxide detectors — with working batteries. Times, Sunday Times As with a normal let, you need an annual gas safety certificate, safe electrics, smoke and carbon monoxide detectors and fire safety measures. Times, Sunday Times All the shopping malls there have heat detector arches at the entrance and bottles of hand gel are everywhere. Times,Sunday Times This type of heat detector can operate at a lower temperature fire condition than would be possible if the threshold were fixed. Retrieved from Wikipedia CC BY-SA 3.0 In that case the rate-of-rise heat detector may be preferred. Retrieved from Wikipedia CC BY-SA 3.0 Each type of heat detector has its advantages, and it can not be said that one type of heat detector should always be used instead of another. Retrieved from Wikipedia CC BY-SA 3.0 Wakes are minimised and engines are designed to be invisible to heat detectors. Times,Sunday Times And he will challenge those who claim to have been turned straight to take a lie detector test. The Sun (2014) Two couples take a lie detector test... will their love survive the results? The Sun (2008) I've asked my girlfriend to take a lie detector test but she refused. The Sun (2013) It would be a good idea to put a security light with a motion detector in the garden. Times, Sunday Times (2010) An externally monitored security and CCTV system has been fitted, which includes motion detectors, vibration sensors on windows and doors and a video door entry system. Times, Sunday Times (2012) As the marines came under attack, motion detector alarms went off in security command post. Times, Sunday Times (2012) These jets must be measured in a particle detector and studied in order to determine the properties of the original quark. Retrieved from Wikipedia CC BY-SA 3.0 The resulting subatomic interactions are then studied in a surrounding particle detector. Retrieved from Wikipedia CC BY-SA 3.0 At modern particle accelerators, events are the result of the interactions which occur from a beam crossing inside a particle detector. Retrieved from Wikipedia CC BY-SA 3.0 The muons can be easily detected by many types of particle detectors, such as cloud chambers, bubble chambers or scintillation detectors. Retrieved from Wikipedia CC BY-SA 3.0 Water scintillation detectors or dense arrays of particle detectors can be used to detect these particle showers. Retrieved from Wikipedia CC BY-SA 3.0 So a radar detector would make no sense for us. Houston Chronicle He used radar detectors and a switch to dim rear lights to dodge the police and lots of cold coffee. Times, Sunday Times The law was changed in 2006, granting ministers the power to ban radar detectors without having to go through parliament. Times, Sunday Times Radar detectors could be stocked in shops again after the government said it would not ban them, ending six years of uncertainty. Times, Sunday Times Unlike radar detectors, these cannot pick up the beams from speed cameras or the handheld speed detectors used by police officers. Times, Sunday Times Top row of headlights equipped with stereoscopic digital video cameras, spectroscopic chemical analyzer, and radiation detector. Retrieved from Wikipedia CC BY-SA 3.0 The efficiency of the radiation detector (e.g. scintillation counter) and its relative position to the source of radiation must be accounted for when relating cpm to dpm. Retrieved from Wikipedia CC BY-SA 3.0 Remember that additional, non-electro-optical sensors, such as ionizing radiation detectors, can correlate with these bands. Retrieved from Wikipedia CC BY-SA 3.0 The aircraft were equipped with gamma radiation detectors designed to measure ground contamination from altitudes of 200 to 500 feet. Retrieved from Wikipedia CC BY-SA 3.0 Other features of the system include mobile roadblocks, which could swivel into the streets and block traffic, and radiation detectors. Retrieved from Wikipedia CC BY-SA 3.0 To eliminate these false signals, the detectors are buried deep in the ice to filter out interference before it can reach the sensitive detector. Retrieved from Wikipedia CC BY-SA 3.0 Recently, a new digitized position sensitive detector called a delay-line detector with better dynamic range and resolution has been developed. Retrieved from Wikipedia CC BY-SA 3.0 Each panel acts as a position sensitive detector for charged particles passing through. Retrieved from Wikipedia CC BY-SA 3.0 The bending can also be measured with high sensitivity by deflection of the beam of a laser using a position sensitive detector. Retrieved from Wikipedia CC BY-SA 3.0 One year later, he filed a patent for a three-electrode device that was a much more sensitive detector of electromagnetic waves. Retrieved from Wikipedia CC BY-SA 3.0 Translations: Chinese: 探测器 Japanese: 探知機 |
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