等效熱電阻 的英文怎麼說
中文拼音 [děngxiàorèdiànzǔ]
等效熱電阻
英文
effective thermal resistance- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 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...
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 電阻 : (物質阻礙電流通過的性質) resistance; electric resistance (電路中兩點間在一定壓力下決定電流強度...
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The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell
對磺化膜的研究分析表明:膜的性能參數如離子交換容量、吸水率、水合系數、形體穩定性、導電性能、化學與熱穩定性等依賴于膜中苯乙烯含量,且接枝苯乙烯相互間的位阻效應對膜性能影響很大;膜的性能可與nafion膜相比較;質子在膜中的傳導遵循「似液體」質子傳導機理;電滲析與擴散作用使膜保持水平衡。The epoxy resin modified by polysiloxane have the advantage of both polysiloane and epoxy resin, it have good heat - resistance, moisture - resistance, dielectric properties. to improve the heat - resistance and the strengthening of the composite, nano - sio2 has been add into the reaction system to modify the epoxy resin with polysiloxane
這種復合基體能有效得利用有機硅樹脂優異的耐熱性、耐候性、電絕緣性、憎水性、阻然性及耐寒性能,同時又具有環氧樹脂良好的粘結性、耐溶劑性及配伍性等優點。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。The charge and discharge performances of different composites were studied by the charge and discharge ; the structures of composites were characterized by sem ; the electrochemical properties of sulfur positive materials were characterized by cyclic voltammetry and eis. we studied the charge process, discharge process, charge - discharge efficiency, self heat, and self - discharge of lithium - sulfur system on system shuttle constant, conduct the mechanism of these processes and simply analyse them
以充放電技術研究了不同類別復合正極的充放電性能;以掃描電鏡技術觀測了復合正極的表面形貌;以循環伏安技術和交流阻抗技術研究了復合正極電極的電化學性能;並初步探討了鋰-硫電池體系中充電過程、放電過程、充放電效率、自熱和自放電等對體系飛梭常數的影響,推導了這些過程的機理並簡要的進行了分析。Sb2014 precise dc low resistance box has its own features such as high working voltage, good abstraction of heat efficiency, stable performance and novel configuration
該電阻箱具有工作電流大、散熱效果好、性能可靠、結構新穎等優點,適用於工廠、學校和科研單位作精密大電流低阻值電阻標準。The calculation method of technical parameters of maximum output power, the short time power and continued power ( equivalent heating ) in electric braking are derived from analyzing the relationship of maximum regenerative power with resistance value of ground absorption equipment, model of traction power supply, train circuit and network voltage drop while performing electric braking
通過分析列車電制動時的最大再生功率與電阻吸收裝置的電阻值、電制動時刻牽引供電系統的模型、列車電流、網壓降之間的關系,導出了列車電制動時最大輸出功率、地面電阻吸收裝置的短時功率和持續(等效發熱)功率等技術參數的計算方法。Mapping rheogram and analyzing thixotropy of fresh cement paste with different superplasticizers by measuring the rheologic parameters such as shearing stress 、 yield stress and plastic viscosity. using multi - channel isothermal calorimeter together with non - contacting electrical resistivity device, traditional hydration heat testingl and electrical resistivity testing were connected. using temperature - sensitive of traditional hydration heat model and structure - sensitive of structure formation model, instantaneous formation condition of paste structure was described exactly
`採用多通道等溫量熱儀以及無電極電阻率測定儀,將傳統的水化熱測試與電阻率測試結合起來,運用水化熱的熱敏感性與結構形成的結構敏感性,更加真實地描述了水泥漿體初始結構的瞬時形成狀態;系統全面地研究了高效減水劑對水泥水化過程的調控作用;運用微觀測試方法,深入探討了高效減水劑對水泥水化過程的影響。In the dissertation, the study on carbon fiber reinforced concrete ( cfrc ) and plain concrete has been reviewed. then mechano - electric effect of cfrc and plain concrete, its mechanisms, the interaction among mechano - electric effect, piezoresistivity and seebeck effect, the electrical circuit model of concrete based on mechano - electric effect, electromagnetic emission of concrete, the mathematical model of mechano - electric effect are investigated. also the converse effect of mechano - electric effect of cfrc and plain concrete, that is, electromechanical effect, and the interaction between electromechanical effect and electrothermal effect of cfrc are examined
本文對碳纖維混凝土和素混凝土機敏性的國內外研究現狀進行了全面的評述,在大量實驗分析的基礎上,系統地研究了碳纖維混凝土和素混凝土的力電機敏性,研究了力電效應機理、力電效應與其它效應(壓阻效應、塞貝克效應等)的耦合關系、基於力電效應的混凝土電學模型、混凝土電磁發射現象、混凝土力電效應的數學模型等;論文同時對混凝土和素混凝土的電力效應、碳纖維混凝土電力效應與電熱效應的耦合關系等進行了探討;最後開展了基於力電效應的機敏混凝土結構應用研究。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。Based on the comparative analysis of two available heat system plan, the paper selects the water - water heat pump system plan. after a series of character analysis, design calculation ; the style of compressor including media choosing and its circle dynamic calculation for the thermodynamic system is determined. besides this, based on some basic measure of thermodynamic analysis, the heat pump coefficient of performance is discussed ; the exergy analysis for the water - water heat plan is conducted ; the calculation formula of heat pump exergy efficiency is derived ; an optimal model for heat pump together with thermal machine is established and the main exchanger equipment in heat pump system including its resistance calculation is designed in details
本文通過對兩種系統方案進行比較分析,確定了水環熱泵系統的基本方案,經過定性分析和設計計算,進行了壓縮機的選型、工質的選擇、熱力系統的循環計算等基本設計,同時應用熱力學分析的一些基本方法,討論了如何評價熱泵系統的性能系數,並對電廠循環水余熱回收熱泵系統進行了(火用)分析,得到了熱泵過程(火用)效率的計算公式,建立了熱泵?熱機聯合機組優化模型,還對熱泵系統的主要換熱設備進行了詳細的結構設計和阻力計算,最後對熱泵系統進行了技術經濟分析和評價。Sb2016 has its own features such as high working voltage, good abstraction of heat efficiency, stable performance, novel configuration, long working life, convenient operation and can adjust the resistance value under the high voltage
具有工作電壓高、散熱效果好、性能穩定可靠、結構新穎、操作方便(可在高壓下,調節電阻值) 、使用壽命長等特點。Hip effect on fatigue damaged specimens by electric resistance variation
從電阻變異規律分析疲勞損傷件中溫熱等靜壓效果分享友人