真空測熱計 的英文怎麼說
中文拼音 [zhēnkōngcèrèjì]
真空測熱計
英文
vacuum calorimeter- 真 : Ⅰ形容詞(真實) true; genuine; real Ⅱ副詞1 (的確; 實在) really; truly; indeed 2 (清楚確實) cl...
- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 真空 : [物理學] vacuum; empty space; vacuo
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建有中頻熔煉真空熔煉硅膠溶模精密鑄造粉末冶金生產線。有中頻電爐真空熔練電爐高中溫熱處理電爐數控車床鉆銑床無芯磨外園磨立磨等通用設備250臺套。有中心計量室物理化學金相探傷檢測及座圈搖臂導管臺架實驗室。4. the thrust measurement device was calibrated, and the accuracy was 2 % fs. at the same time the signal of thrust measurement was input to the computer. e - type chromel - constantan thermocouple was used to measure the temperature of mpt, and the accuracy was 5 % fs. the vacuum measurement was realized by using zdf - 5427m vacuometer, and the accuracy was 3 % fs
( 4 )對推力測量系統進行了標定並實現了計算機採集,推力測量系統最大相對誤差為2 fs ;溫度測量目前還只限於對mpt諧振腔壁溫的測量,使用e型鎳鉻?康銅熱電偶即可較容易實現,其測量精度為5 fs ;真空測量採用zdf - 5427m微機型復合真空計,其由熱偶計和熱陰極電離計復合而成,該真空計測量控制精度為3 fs 。This project is focused on microbolometer fpa. this program includes the development design and simulation tools, material research, fabrication process development, and detector and readout circuitry design, fabrication and characterization. the work done in this paper is described as follows : the theory of microbolometer fpa is expounded
課題的重點放在非致冷微測輻射熱計焦平面陣列,這種非致冷紅外產品的設計研製工作包括:設計和模擬工具的研究、材料選擇和器件製作工藝的研究、探測器和讀出電路的設計研究、真空封裝和性能表徵的研究等。Measuring methods of low pressures by thermal conductivity gauge
用熱傳導真空計測量低壓的方法The phase structure of different cu - fe thin films were studied by using grazing incidence x - ray analysis ( gixa ). the texture and residual stress of different cu - fe thin films were measured by scan of x - ray diffraction ( xrd ) and 2 scan with different. the thicknesses of different thin films were characterized by means of small angle x - ray scattering ( saxs ) technique. by using atomic force microscope ( afm ) measured surface roughness of thin films. the component of different thin film was characterized by energy disperse spectrum ( eds ) and x - ray fluorescence ( xrf ). the magnetic properties of cu - fe thin films were measured by means of vibrating sample magnetometer ( vsm ). in addition, the giant magnetoresistance ( gmr ) effects of different films were also measured. the original resistance of the film fabricated by a direction - current magnetron sputtering system is directly affected by bias voltage
利用掠入射x射線分析( gixa )技術對不同cu - fe薄膜的相結構進行了研究;利用xrd掃描及不同角度的2掃描對薄膜進行了結晶織構及殘余應力分析;運用小角x射線散射( saxs )技術測量了薄膜的厚度;採用原子力顯微鏡( afm )觀察了薄膜的表面形貌;運用能量損失譜( eds )及x射線熒光光譜( xrf )對薄膜進行了成分標定;使用振動樣品磁強計測量了不同cu - fe過飽和固溶體薄膜的磁性能;最後利用自製的磁阻性能測試設備測量了真空磁場熱處理前後不同薄膜的巨磁阻值。Cryogenic vessels - large transportable vacuum - insulated vessels - design, fabrication, inspection and testing
低溫容器.大型可運輸真空隔熱容器.設計製作檢測和試驗In this paper, firstly, monolithic materials cosb3 and bi2te3 were prepared by sparkle plasma sintering ( sps ) respectively, and at the same time the microstructure of cosb3 and bi2te3 were studied by sem ; the seebeck coefficients and electrical conductivities of monolithic materials were measured by standard - four - probe method ( ulvac zem - 700 ) in a he atmosphere simultaneously, and their thermal conductivities were investigated by laser flash method ( tc - 7000 ) in vacuum. secondly, the junction temperature of graded bi2te3 / cosb3 thermoelectric materials was optimized based on the thermoelectric transport properties of monolithic materials, also when graded materials were used in the temperature difference ranging from 300k to 800k, the length ratio of monolithic materials cosb3 and bi2te3 were optimized in theory. thirdly, graded bi2te3 / cosb3 thermoelectric materials were prepared by two - step sps sintering, and the relationship between its average seebeck coefficients and temperature were calculated by theory mo del
均質材料cosb _ 3和bi _ 2te _ 3的電導率和seebeck系數採用標準四端子法于he氣氛下在zem - 1上同時進行測量;熱導率採用激光微擾法( tc - 7000 )于真空狀態下進行測量;其次,在對均質材料cosb _ 3和bi _ 2te _ 3熱電傳輸特性研究的基礎上,對結構梯度bi _ 2te _ 3 cosb _ 3熱電材料的界面溫度進行了優化;為了使結構梯度bi _ 2te _ 3 cosb _ 3熱電材料在300k至800k的溫度范圍內具有最佳的熱電性能,本研究同時對梯度結構熱電材料當中均質材料cosb _ 3和bi _ 2te _ 3材料的長度進行了優化設計;第三,通過兩步放電等離子燒結的方法制備出了結構梯度bi _ 2te _ 3 cosb _ 3熱電材料;採用理論計算的方法研究了梯度結構熱電材料平均seebeck系數和溫度的關系;同時為了驗證設計的結果,本論文對結構梯度bi _ 2te _ 3 cosb _ 3熱電材料的開路輸出電壓和熱端溫度之間的關系及梯度材料在300k至800k的溫度范圍內使用時的功率輸出進行了相應的研究。The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen
對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數,通過實驗發現氬比氮工作更穩定Build the compute model of all - glass evacuated solar collector tube in fluent according to the physical model and the interface of fluent, set the boundary conditions on the basis of the fact of three different states of air stagnation, water stagnation and heat loss. the calculation results have a good match with the test results. 2
根據太陽能真空集熱管的物理模型和fluent的建模要求,建立了太陽能真空集熱管的fluent計算模型,根據太陽能真空集熱管在悶曬、空曬和散熱狀態下的工作條件,設置fluent計算的邊界條件,對三種工況下的流場和溫度場進行計算,計算結果與實驗測試結果非常吻合; 2Test method for heat flux through evacuated insulations using a guarded flat plate boiloff calorimeter
用有防護的平板蒸發量熱計測定通過真空絕熱材料熱通量的試驗方法The article discloses the principle of all - glass evacuated solar collector tube " flow field and temperature field in the testing state, analyzes the influence of many factors, makes the estimation of mechanical design and testing standards
本文利用fluent計算和實驗相結合,揭示了全玻璃太陽能真空集熱管測試狀態下的流場和溫度場的規律,分析了太陽能真空集熱管流場和溫度場的影響因素,對結構設計和國家檢測標準做出了評價。分享友人