熱線探測器 的英文怎麼說
中文拼音 [rèxiàntàncèqì]
熱線探測器
英文
hot wire detector- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 探 : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 熱線 : 1 [物理學] heat ray2 (兩國首腦之間的直通電話線路) hot line熱線服務 [訊] hot line service; 熱線...
- 探測器 : finder; detector; seeker; sounder; probe
- 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
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It compute the parameter of deflexion caused by thermal distortion in orbit, deduce the general expression for spreading beam after thermal distortion of reflector and the center deflexion of facula received in ccd. with the method of fixing etc, it put forward the restrain measures adopted accordingly
計算了在軌運行條件下反射鏡面熱變形引起的表面法向偏轉參數,推導了鏡面變形后出射光線的通用表達式以及鏡面變形前後在ccd探測器上的接收光斑中心偏轉量的計算表達式。We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions
通過理論和試驗探討,選用鎳鉻合金電阻絲作為加熱元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶( k )作為測溫元件;熱電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體;採用升溫曲線來控制爐膛供熱過程;採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法,進行圖形處理。Abstract : the hot wire anemometer and the ensemble average method are used to measure and study the dispersion turbulent transient feature in a closed cylindrical explosion bomb. the comparison of the dispersion turbulent parameters from different shapes of closed explosion bombs is presented. the relation between errors and numbers in dispersion turbulent measurement with the ensemble average metod is discussed
文摘:採用熱線風速儀和系綜平均法測定和研究了封閉圓柱形粉塵爆炸罐內揚塵湍流的瞬態特性,並與球形爆炸容器內已測定的揚塵湍流瞬態特性進行了比較,對系綜平均法用於揚塵湍流的測量誤差與測量次數的關系進行了探討。The swirls of green were revealed by hubble ' s ultraviolet and visible - light detectors. they are hydrogen and sulfur gases heated by intense ultraviolet radiation from the trapezium ' s stars
那綠色的漩渦是由哈勃的紫外和可見光探測器所展示出來的。它們是被「獵戶座四邊形」發出的強烈紫外線加熱的氫和硫的氣體。A hydrogen and argon ions mixing beam was implanted into the deposited vanadium oxide film. after annealing, vo2 film with tcr ( temperature coefficient of resistance ) as high as 4 % was obtained. the bombardment of ar + could break v - o bond of v2o5 molecule in deposited film and implanted h + resulting in the deoxidization of v2o5, so the vo2 thin film could be prepared by proper control of the dose of ar + / h + implantation
利用離子束增強沉積設備,在ar ~ +離子束對v _ 2o _ 5靶濺射沉積的同時,用氬、氫混合束對沉積膜作高劑量的離子束轟擊,使得被氬離子轟擊后斷鍵的氧化釩分子,再被注入氫降價,然後經適當的退火,成功地制備了熱電阻溫度系數高達4的vo _ 2薄膜(國外報道值為2 - 3 ) ,並研製了單元懸空結構探測器和8 1 , 16 1線性陣列。How to obtain the useful biochdrical informaton on this scale is the new tren in the research fie1d of analytical chehascy therefore, single molecule detection, sing1e cell detection, dna ~ and the shaple dna analysis were one of the main research direeons ofanalytcal chendscy nove1 molecular probe and ultrasmali biosensor for real tiine and in vivo detection has been the focuses in the research field of analytical chendstry according to the above mentioned advanced direetions, two pnd of inveshgations has been pdrirmed in thes thesis
人們對生命現象的觀察和研究已經深入到納米尺度和單細胞,單分子的水平,如何在這樣一個尺度范圍內獲取有用的生物化學信息對分析化學的各個研究領域均提出了新的要求。單分子、單細胞檢測、生物晶元的開發以及納米技術的應用漸漸成為現代分析化學研究的主流領域之一。可進行實時、在線、原位、活體檢測的分子探針和超微型生物傳感器成為人們研究的熱點和重點。With the advancement of detector technology, astronomers now can exploit observations in different wavelengths to study astronomical objects. for example, the ultraviolet image of m81 in picture can be used to locate the very hot o type and b type stars in that galaxy
隨著探測器技術的日益改進,天文學家已可利用不同波段來觀測宇宙,例如利用m81的紫外線照片圖b尋找星系內的熾熱o型和b型恆星。As umbirfpa is a new type of infrared detecting device, its work principle is complex and its performance is affected by many factors. in the initial stage of developing, the design experiment and theoretical understanding are little interiorly. furthermore, the problems such as sensitivity reduced, dynamic range shortened, nonuniformity increased come forth if umbirfpa is not designed properly
Umbirfpa是一種新型的紅外探測器件,微測輻射熱計的工作原理復雜,其性能受到很多因素的影響,目前國內尚處于發展初期,缺少實際的設計經驗和理論認識,同時umbirfpa又是在集成電路工藝線上生產的,投資大、周期長,如果設計不當,不僅可能導致靈敏< wp = 13 >度降低、動態范圍縮小、噪聲增大、非均勻性增大等問題,更可能的是根本就不能用於成像,從而造成很大損失。Uncooled sensors are being considered to replace cooled sensors in some applications, but most importantly, the unique characteristics of the uncooled sensors spawn novel uses of the technology
紅外攝像技術是一種利用被探測物體自然輻射的紅外線進行熱成像,識別目標的技術。紅外攝像技術的關鍵部件是紅外探測器。Sensors are used to detect the content of water and the temperature of grains, to measure the velocity of influx and to position the grains in the drying machines respectively. thermal sensors are thermocouples to monitor the temperature of heated air current and thermo resistances to measure the temperature of grains on different surfaces ; water sensors include neutron probes and condensates to measure the content of water of grains before and after drying respectively ; the velocity of flow of grains is measured by the indicators of flow
溫度傳感器主要採用熱電偶和熱電阻,分別探測熱風溫度和乾燥機各個層面上的糧食溫度;水分傳感器主要採用中子式在線水分測量儀和電容式在線水分測量儀,中子式在線水分測量儀由於不受穀物解凍的影響,用來測量烘前穀物的水分,電容式在線水分測量儀用來測定烘后的糧食水分;在線流量計採用沖板式流量計,用來記錄排糧流量,統計產量。Integration, networking and intellectualization are the trend of the infrared alarm system in the future. zigbee is a wireless technology with global standard, and is designed for low - cost, low - power - consumption, and the supporting of wireless network. based on the deep understanding of zigbee, a new type of infrared alarm system is investigated
集成化、網路化和智能化是紅外探測防盜報警系統未來的發展趨勢, zigbee技術是一種全球統一標準的無線技術,低成本,低功耗,支持無線組網,本文在深入研究zigbee技術的基礎上,在開發新型紅外探測防盜報警系統方面作了探索性的研究,主要內容為: 1 .介紹了熱釋電紅外傳感器的原理、結構和特點,以及以熱釋電紅外傳感器作為核心元件的被動式紅外探測器防盜報警技術的發展概況。分享友人