溫差電結 的英文怎麼說
中文拼音 [wēnchādiànjiē]
溫差電結
英文
thermojunction- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 溫差 : [物理學] difference in temperature; range of temperature
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The main computer is programmed under windows, while the assistant computer is programmed under dos. the last, based on the idea of module - structure, the software of the testing system are designed, thus this software system is compatible and transplantable to design again. the experiment of measuring principle is taken : take the xy flat of lathe as the parallel - pole device and adjust the angle of sensor, the rotating - probe can test the felloe mould in scanning way
藉助虛擬儀器的思想,對測控系統進行了設計:採用光柵尺、光電編碼器測量可動部件的運動量,解析度高、誤差小;採用細分驅動的步進電機裝置,控制性能好;系統實施環境溫度的檢測、補償,提高了檢測精度;基於兩級微機組建測控系統:主機為人機界面,採用windows編程,從機用dos編程,實時性好;軟體設計採用兼容性和移植性好的模塊式結構,便於二次開發。This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to
本文共分為五章:第一章緒論中,介紹了常見的位移傳感器,指出了霍爾傳感器的優良特性,提出了基本任務;第二章介紹了霍爾元件的基本工作原理;第三章介紹了霍爾元件的溫度性能、電磁特性、零位誤差、頻率特性以及這些參數常用的補償方法和霍爾元件的簡單應用;第四章介紹了反饋隨動機構的測量原理,系統的實現方法,給出了實驗結果,構建了數學模型,並對誤差進行了分析;第五章展望中指出了今後的發展方向。At present, most of the domestic simulation systems designed with analogy circuits, are easy to run out and affected by the ambient temperature with their complex structure and poor ability to withstand disturb
目前,國內現有的原動機模擬系統,大多採用模擬電路,存在結構復雜、電子元器件容易老化、易受環境溫度影響、抗干擾能力差等缺點。The temperature rises and the dc voltage are proportional to the power dissipated, which is equal to the power of the source being measured if the input impedance is suitably matched to the source impedance
熱偶冷熱結之間的溫度差和熱電勢均正比于耗散在ta2n電阻上的微波功率,如果熱偶的工作電阻與同軸傳輸系統電阻匹配適當,該功率就等於被測源的功率。In the second chapter, we firstly present a circuit of 8 - bit, 80mhz samples / s thermometer - decoded dac with hierarchical symmetrical switching sequences which will compensate gradient error, on the basis of 8 - bit dac, we then present high frequency, high definition 12 - bit, 80mhz samples / s current - steering dac
第二章:提出了具有梯度誤差補償的高速8位、 80mhz溫度計碼數模轉換器,並在此基礎上進一步提出了高速、高精度12位、 80mhz采樣率電流舵結構數模轉換器。Microstructure of the composite layer was analyzed with help of optical microscope, scanning electronic microscope ( sem ), electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ). the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction, sintering theory and the result of dta. at the same time, the wear - resistance of the composite layer was studied under condition of dry sliding friction
利用光學顯微鏡、掃描電子顯微鏡、電子探針以及x -射線衍射儀,分析了表面復合層的基體組織結構;運用反應熱力學、動力學、粉末燒結理論和燃燒合成理論,結合差熱分析結果,探討了表面復合層壓坯的燒結緻密化原理和碳化物增強相的形成機理;利用坯塊在真空燒結爐不同溫度下的燒結出來的顯微組織分析,模擬出坯塊的燒結過程中的化學反應過程。By means of the calorimetric experimental results and the temperature dependence of heat capacity differences, four kinds of temperature dependences of configurational entropy, dielectric relaxation index and cooperatively rearranging region are studied, on the basis of configurational entropy theory on cooperatively rearranging region in disordered amorphous materials by the methods of the relationship between configurational entropy and heat capacity difference, and the equation of relaxation time with activated energy barriers
摘要基於無序非晶材料「關聯重排區域」的構型熵理論,運用構型熵與熱容量差的關系式、弛豫時間與活化勢壘的基本公式,及聚合物量熱學的實驗結果和熱容量差與溫度的基本關系,研究了4種情況下構型熵、介電弛豫指數和關聯重排區域大小的溫度變化關系。With the annealing temperature increasing, the average optical transmittance increases and the absorption edge of the transmission curve of the films moves toward short wavelength
Azo薄膜的塞貝克效應的結果表明: azo薄膜具有明顯的塞貝克效應,溫差電動勢隨著溫差( ? t )的增大而呈線性增大。These results show that since the existent defects of combustion device structure and its hypothetical circle of contact, these make a poor primary and secondary wind rigidity in operation and a too big actual circle of contact. in addition, the coal used is extreme prone to burn and reside in boiler. under such a condition, the coal powder ignites earlier in a short time and short distance when it leave the jet - combustioning device, and splashes the water cooler, eventually this results in a burned coal residue in boiler
針對宏偉熱電廠410t / h燃煤鍋爐嚴重結渣問題,對燃煤的結渣性、爐內溫度工況及空氣動力工況等進行實驗研究,由於燃燒器結構和假想切圓選擇的缺陷,使得鍋爐在正常運行時,一、二次風剛性較差,實際切圓過大,加上目前燃用煤質屬于極易燃、易結渣煤質,致使煤粉在離開噴燃器很短的時間、較短的距離內開始著火,並沖刷水冷壁,最終造成爐膛結渣。According to negative temperature coefficient of vbe and positive temperature coefficient of vt, a framework of band - gap voltage reference is investigated. the reference offer a source of pir, distributed three voltage, one as upper - threshold voltage of dual - threshold comparator, the other as lower - threshold voltage of comparator, the other as direct current voltage for second band - pass filter amplifier
同時利用pnp晶體管發射結電壓的負溫度特性和發射結差值電壓的正溫度特性設計了一個帶隙基準電壓源。此帶隙基準電壓源本身作為熱釋電紅外傳感器的電源電壓,同時分壓提供雙限電壓比較器的上限電平和下限電平以及第二級帶通濾波放大器的直流電平。Results showed : ( 1 ) cbt cell death in low tempratures is accompanied by characteristic changes, such as, reduced cell size, distorted nucleus, chromatin condensation and margination and cell ( cytoplasmic ) vacuolization ; cell mortality and ca2 * concentration increase along with time passed in low temperature. mitochondrial membrane potential and 02 increased at first, and then decreased. activities of sod decreased at first, followed by significant increasing and finally depressed
結果表明: ( 1 ) cbt在低溫協迫下,細胞圓縮,細胞核變形,染色質濃縮且邊位,細胞質空泡狀;細胞死亡率隨處理時間的增加而增加;細胞內鈣離子濃度隨處理時間延長而遞增;線粒體膜電位差在低溫處理早期急速上升,隨后一直下降;細胞內超氧陰離子( o _ 2 ~ - )在低溫處理前期出現高峰,接著呈下降趨勢;細胞內sod活性在低溫處理前期減弱,接著上升,然後持續下降。The next this text is based on the appearance theories, according to the characteristics that the temperature dispersion of super thick mass concrete planceer of high - rise building primarily is an even difference in temperature and an even constringency, suppose the level shears are line with the displacement, adopting a big physical volume concrete of planceer in flexibility foundation for plank computing model, from theoretically deducing the difference in temperature of mass concrete contracting should basic formula of dint, and analysis the crack rule and the influence factor of mass concrete temperature contract, and bringing up the theory calculation method about temperature stress of mass concrete and the biggest whole method that sprinkle the length, at the same time according to basic formula of the temperature stress of mass concrete and the concrete construction experience, bringing five technique measures to prevent the temperature crack of mass concrete
其次本文以唯象理論為基礎,根據高層建築超厚底板大體積混凝土承受的溫差主要是均勻溫差和均勻收縮的特點,闡述了大體積混凝土溫度應力理論計算的簡化方法和最大整澆長度的計算方法,同時根據大體積混凝土溫度收縮應力基本公式和大體積混凝土結構施工經驗,提出了防止大體積混凝土溫度裂縫的五項技術措施。最後本文以廈門郵電大廈3 . 5m超厚底板施工為實例,從大體積混凝土溫度應力計算、混凝土保溫材料厚度計算、混凝土配合比的確定,鋼筋工程、模板工程、混凝土的泵送和澆築以及大體積混凝土內部溫度的監測和後期養護等方面進行了理論應用。D finite element local analysis is done for hv porcelain post insulator by abaqus finite element software. the stress distribution of one - piece structure under dead weight, erection deviation, temperature change, wind load and short - circuited load is analyzed, which provides the scientific basis for security assessment of post insulator
以高壓瓷瓶支柱絕緣子為研究對象,採用abaqus有限元軟體進行三維有限元局部分析,分析了整體結構在自重、安裝偏差、溫度變化、風載以及短路電流載荷作用下的應力分佈,為支柱絕緣子的安全性評定提供了科學的依據。Analyzed with pkpm the effect of connection columns on the hoist room structural cracks and the effect of temperature differences on hoist room structure in the structural design of huangtangjia power station, as well as the valuation of wind load in the design
摘要應用pkpm程序分析了黃塘甲水電站啟閉機房結構設計中貫通柱對啟閉機房結構裂縫的影響,溫差效應對啟閉機房結構的影響,並對風荷載取值進行分析。The experiment result shows that the current control system based on analog component has many strong points, such as simple structure, short stability time, high current stability, good temperature performance, and wide input voltage range etc. long - term instability of single - arm current is less than 1 10 - 3, and subtraction instability of two - arm current is less than 2. 2 10 - 5, which satisfies the request of high precision current control power supply for north - finder based on rlg
實驗結果表明,由模擬器件構成的穩流系統具有結構簡單、瞬間即可穩住電流、電流穩定度高、溫度性能好、輸入電壓范圍寬等特點,單臂電流長期穩定度優於1 10 - 3 ,兩臂電流差值穩定度達到2 . 2 10 - 5 ,基本滿足了激光陀螺尋北儀中穩流電源的要求。For the application of sic devices to radiation fields, it is important to know the irradiation effects and characteristics of sic materials and devices. the main contributions in this thesis are as following : temperature - and electric field - dependent electron transport in 6h - s1c is studied by single - particle monte carlo technique. the physical model used in the simulation is developed considering the main scattering mechanisms in details
為了能充分發揮sic抗輻照的優勢和潛力,本文首先對sic區別于常規半導體的特性作了系統的研究:用單粒子montecarlo方法研究了6h - sic的電子輸運規律,模擬的結果體現了6h - sic具有良好的高溫和高場特性以及遷移率的各項異性,其橫向遷移率和縱向遷移率相差近5倍。The ba0. 5sr0. 5tio3 / pt / ti / sio2 / si multilayered heterostructures were successfully prepared. the dielectric properties measurement results show that the dielectric tunability is superior and the relative dielectric constant er varies at a little degree with the frequency, but er is lower for the low - temperature deposited bst thin films, compared with the bst thin films prepared at higher temperature. 6
Bao . ssr05毛o3薄膜的介電性育瀕四試結果表明鍘氏生長溫度制備的bst薄膜的介電可調諧性能較好,薄膜的介電常數份隨著頻率的變化較小;較高溫度制備的bst薄膜的介電常數較高,但薄膜的介電可調諧勝能更差,而且薄膜的介電常數場隨頻率的變化較大。The temperature of oven is never to rise, avoids the hot baking absolutely and still has the voice and word present. when the electricity is cut off suddenly, data is still kept well. air - blower has the function of closing postponing, which can overcome the temperature tolerance. the controller has the function of checking thermocouple, alarming vapor exhaust and mixture volatilizing and checking mistake
控制器掉電停電數據能永久保持控制器根據預置出爐溫度,自動控制烘箱的循環鼓風機,能有效克服高溫烘烤結束后烘箱內的上下溫差控制器自動檢查傳感器是否故障,發現傳感器存在故障,能自動關閉加熱電源並報警結合劑揮發物水蒸汽排放報警功能數據糾錯功能。The intermediate - temperature sofc ( solid oxide fuel cell ) ’ s electrolyte with perovskite - type lsgm ( la _ ( 0. 9 ) sr _ ( 0. 1 ) ga _ ( 0. 8 ) mg _ ( 0. 2 ) o _ ( 3 - ) ) was synthesized using advanced pechini method and solidification method. the thermal and electrical properties of the sintered samples ( synthesized by two different methods ) were measured and compared by thermal expansion and ac impedance spectroscopy ; the phase transformation process and inner structure were measured and compared by xrd, dta - tg and ac impedance spectroscopy. the research results show that the electrolyte synthesized by advanced pechini method has several advantages, such as fine pre - powders, low sintering temperature, reduced or eliminated impurity phases and high conductivity etc. so, the apm is ideal method to synthesize lsgm
採用改進的檸檬酸法(以檸檬酸和edta乙二氨四乙酸為復合絡和劑,檸檬酸為燃料)和固相法分別制備了具有鈣鈦礦結構的中溫固體氧化物燃料電池的電解質材料lsgm ( la _ ( 0 . 9 ) sr _ ( 0 . 1 ) ga _ ( 0 . 8 ) mg _ ( 0 . 2 ) o _ ( 3 - ) ) ,用差熱?熱重分析( dta / tg ) 、 x光衍射分析( xrd ) 、交流阻抗譜技術( ac - impedancespectra ) 、比表面積分析( bet )和燒結收縮率曲線等手段對產物的熱分解過程、物相轉變和內部結構等進行了表徵,並對由這些粉體燒結而成的固體氧化物燃料電池的電解質材料的電導率進行了檢測。To realize temperature self - adjustment of great concrete structure, based on the electrically induced heating effect of carbon - fiber textile, experimental analysis has been done for the responses of temperature difference and deformation of carbon - fiber textile concrete under invariable input
摘要為實現大型混凝土結構的溫差自調節,文中在碳纖維布的電致發熱效應的基礎上,對碳纖維布混凝土梁在穩定功率輸入下的溫差、變形響應做了實驗分析。分享友人