熱阻式 的英文怎麼說
中文拼音 [rèzǔshì]
熱阻式
英文
tr (temperature resistant)-
Sales : imported and domestic natural rubber, butylbenzene rubber, polybutadience rubber, butyronitrile rubber, epdm rubber, butyl rubber, chlorosulfonated polyethylene tyre types superfine, smell - free, butyl, butyronitrile, color and milk natural rubbers, compound rubbers and reclaimed rubbers ; raw and auxiliary materials for rubber chemical such as rubber accelerator, antiager, black, paraffin, octadecoic acid, zinc oxide, magnesium oxide, titanium pigment, coumarone and powder sulfur ; different specifications of epdm color granules, crossover antiskid rubber floor brick, plastic rubber sites, lawn layout, different specifications of antiskid rubber floor brick, rubber blind - people road brick, plant brick, tree guard brick, top adiabatic brick, road rubber reducer brick, special green rubber tyre rubber granule, rubber powder and product, different rubber and plastic pipe, adhesive tape and plate, flexible rubber soft joint, rubber stop tape, bridge extension device, natural rubber plate pedestal, water - expanding rubber, rubber and plastic air duct, pe / pp / pvc water pipe, fulgurite, flame retardant wire gutter, floor wire gutter, mc nylon product, rubber and plastic machinery and fitting relieve, and processing of different ordinary and special rubber and plastic and nylon products
經營銷售:進口、國產天然膠、丁苯膠、順丁膠、丁腈膠、三元乙丙膠、丁基膠、氯璜化聚乙烯、輪胎類精細、無味、丁基、丁腈、彩色、乳膠類等多種型號天然橡膠、合成橡膠和再生橡膠;硫化促進劑、防老劑、炭黑、石蠟、硬脂酸、氧化鋅、氧化鎂、鈦白粉、古馬龍、工業硫磺粉等各種橡膠化工原輔材料;各種規格epdm彩色顆粒,天橋防滑橡膠地磚、塑膠場地、人造草坪鋪裝、各種規格防滑橡膠安全地磚、橡膠盲道磚、植草磚、樹木圍護磚、屋頂隔熱板、道路橡膠減速塊,專用綠色環保型橡膠輪胎膠粒、膠粉及成品,各類橡膠、塑料膠管、膠帶、膠板,可撓曲橡膠軟接頭,橡膠止水帶,橋梁伸縮裝置,天然膠板式橡膠支座,遇水膨脹橡膠,橡膠、塑料導風筒, pe pp pvc水管、電管、阻燃線槽,地板線槽、 mc尼龍產品、橡塑機械及配件調劑,並承接各種普通、特種橡塑、尼龍產品加工製造。Tensile properties and impact properties measurements were done at room temperature. the volume resistivity of rectangular samples was measured using a zc36 electrometer and a high 240a voltage supply, for samples with a low resistivity level a dt - 9205b digital multimeter was used, silver paint was applied to ensure complete contact between sample and electrodes, namely, to eliminate the contact resistance. the phase morphology of blends was also studied using a jeol jsm - 5900lv scanning electron microscope ( sem )
體積電阻率的測定:當r _ v 10 ~ 8時,製成100 100 4mm板材,用zc36型高阻儀測量;當r _ v 10 ~ 8時,用dt - 9205b型數字式萬用表測試試樣的體積電阻,為了減小接觸電阻對測試的影響,採用銀導電膠將銅片粘接在試樣的兩個端面上,靜置24小時,待銀導電膠凝固,試謝長瓊:熱拉仲對pet / pe / cb復合導電體系形態和性能的影響樣的電阻穩定后再測量。So, this paper researches the principle of measuring system of insulating oil dielectric loss and volume resistivity. during the measuring process, the insulating oil must be heated and kept at 90 in 15 minutes. medium - frequency induction heating method is presented to instead of the electrical resistance furnace heating method on chapter 2, and a kind of subdivision - controlled integral - separated digital pid algorithm is designed to control the medium - frequency induction heating apparatus
本文對恆溫控制系統進行了研究,提出了以中頻感應加熱方式取代原有的電阻爐加熱方式,設計了一種分段控制的積分分離式數字pid控制器來控制中頻感應加熱裝置,並通過通信設計將恆溫控制系統與介損及體積電阻率測試系統有機結合為一體機,實驗結果表明該恆溫控制系統完全滿足介損及體積電阻率測試中的控溫要求。The thermal resistance produced in our factory, adopt common design by machinery industry department. in order to convenient for users and answer for users, we adopt new and old type forms in stylebook for common products
目前本廠生產的熱電阻產品,採用機械工業部熱電阻統一設計的系列規格,為了方便用戶及對用戶負責,對于通用產品,樣本上用新老型號對照形式。Indirectly heated temperature coefficient thermistors
旁熱式負溫度系數熱敏電阻器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。And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown
而計算分析和二維數值模擬分析結果表明:梳狀集電結(基區)結構在不增加器件本徵集電結面積的條件下,增大了器件的本徵散熱面積和基區周長,改進了每個子器件單元內的散熱方式,提高了單元內結溫和電流分佈的均勻性,降低了器件的熱阻,增大了器件的耗散功率和輸出功率,較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾,並有利於改善器件抗二次擊穿的性能。Of the currently available coolers for electronic products with a high heat flux, microchannel heat sinks have been proved to be able to provide the best heat transfer performance and are one of the most promising coolers. the manifold microchannel ( mmc ) heat sink has many advantages such as low thermal resistance, compact structure, little amount of coolant, low flow rate, uniform temperature distribution along the flow direction and many others, so it is able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference
在目前高熱通量電子產品冷卻器中,微通道熱沉已被證實是傳熱性能最佳且最具應用潛力的冷卻方式之一,而歧管式微通道熱沉因具有低熱阻、結構緊湊、所需冷卻液量小、沿流動方向溫度分佈均勻等優點則成為減小電子元器件換熱表面最高溫度、降低溫度變化的一種有效方法。Thermal contact resistance is calculated by fem. the triangular model is considered more precise when its control angle equals 30 and an approximate formula is provided for calculation of the thermal contact resistance by comparing computation models
本文採用有限單元法數值計算接觸熱阻,提出控制角為30的三角形模型具有較高的精度,給出接觸熱阻的近似計算公式,並分析了表面粗糙度對接觸熱阻的影響。The similarities and differences of high voltage heat changing resistance type starter and liquid resistance starter of moving pole plate for changing resistance
高壓熱變阻式與動極變阻式液體電阻起動器的異同The application of the first technology can resolve the problem that the fin - root is easy to corrode, effectively reduce the contact heat resistance between the fin - root and the tube, and enhance the heat transfer performance of the heat exchanger
採用先鍍后脹再鍍加工工藝,不僅解決了肋片管式冷凝換熱器肋基處易腐蝕問題,而且明顯降低了肋基處肋片與肋管的接觸熱阻,增強了換熱器的換熱性能。Firstly, wall ’ s transfer matrix is deduced by laplace transformation based on 3r2c thermal network model. secondly, frequency response of transfer matrix is calculated. thirdly, we make the frequency response of transfer matrix of stimulation model equate the theoretical frequency response of wall transient heat conduction by applying appropriate identification algorithm, from which we can obtain every polynomial ’ s coefficient of model transfer function, then each parameter of resistance and capacitance is calculated by appropriate optimization algorithm
首先,根據模擬熱流網路模型用拉普拉斯變換推出墻體的傳遞矩陣;然後,計算傳遞矩陣的頻率響應;最後,採用頻域回歸方法求出模型傳遞函數各次項的系數,進而通過一定的優化演算法確定模型的各個熱阻、熱容參數,使通過模型建立的多項式s -傳遞函數與墻體瞬時傳熱的理論超越s -傳遞函數完全等價。This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively
本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ ( 60 )粗品產率的影響;接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ ( 60 )固體,比較了不同流動相和固定相的提純效率和效果;然後採用自己改進后的真空鍍膜機,利用電阻式加熱蒸鍍方法,得到了純c _ ( 60 )薄膜和不同摻雜比的銀摻雜薄膜;探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響;最後通過xps , afm ,紫外,紅外,拉曼對薄膜的成分、結構和特性作了定性和半定量分析。The influence of fouling on the thermodynamic performance of shell heat exchanger and its design calculation is analyzed, and the choice of estimation method of fouling heat resistance and fluid flow mode is discussed
摘要分析了污垢對管殼式換熱器的熱動力性能及換熱器設計計算的影響,討論了污垢熱阻估算方法和流體流動方式的選擇。Measurment method for thermal resistance of semiconductor bridge rectifieres
半導體橋式整流器熱阻測試方法A electric resistance furnace, improves the thermal efficiency of the melting process
這種電阻式熔爐提高了熔化過程中的熱效率。Thermistor temperature sensor
熱敏電阻式溫度傳感器This product adopts the fail - safe fire prevention, heat insulation of high efficiency and hinders magnetism and waterproof compound material, and high - quality steel structure and the alloy steel plate in what forms and the middle and outer three one on top of anothers types the adding chestes bodies, his all function all achieves the soft disk protection function
該產品採用高效可靠的防火、隔熱、阻磁、防水復合材料,優質鋼結構和合金鋼板構成的里、中、外三層疊加式箱體,其各項性能均達到軟盤防護功能Especially, in the filed of high tc superconductor, the technology that the cryocooler directly cool the superconducting system has changed the traditional cooling manner, which adopts the method of low tc fluid helium ' s convection and boiling to exchange the heat. it mainly depends on the cooling manner of conducting heat through the interfacial layer between the material of superconductor and non - superconductor ( such as cu, isolator, etc )
特別是在高溫超導領域中,由於製冷機直接冷卻技術改變了傳統的靠低溫液氦對流、沸騰換熱的冷卻方式,主要依靠超導材料與非超導材料(如銅、電絕緣材料等)固體間的接觸導熱冷卻方式,固體間界面熱阻成為影響導熱性能的關鍵因素之一。Electrical temperature sensors ; connection heads for thermocouple - thermometers and resistance - thermometers
電氣溫度傳感器.熱電偶式溫度計和電阻式溫度計用接線分享友人