junction element 中文意思是什麼
junction element
解釋
交叉點元素-
In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators
本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先，介紹了國內外太陽能電池的研究現狀及應用情況；其次，運用太陽能電池基本原理討論影響電池轉換效率的因素，分析了級聯電池的伏安特性；隨后，討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念，研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程，解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題；然後總結了級聯電池的后工藝製作；最後，研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝，設計並安裝完成新型聚光太陽能電池組件。 -
Wrkd - jz type thermocouple on the wall of boiler takes 4 sheathed thermocouple as measuring element. the thermal junction is fastened in stainless steel gathering heat clump with different curved surface of bearing treble points welded or m8 screw fixed to measure surface temperature of the wall of boiler, furnace and other equipments. wrkd - hg surface sandwich thermocoupleon the wall of boiler is specialized in measuring surface temperature of round column
Wrkd - jz型鍋爐爐壁熱電偶採用4的鎧裝熱電偶做測溫元件，熱接點緊固在帶有不同曲面的不銹鋼，集熱塊上採用三點焊接或m8螺釘固定，用於鍋爐管壁，爐壁及其它設備的表面溫度。 -
Jtl ( josephson junction transmission line ) is & key element of rsfq, comprising several josephson junctions connected in parallel by superconducting strips of a relatively low inductance
約瑟夫森結傳輸線jtl （ josephsonjunctiontransmissionline ）是由約瑟夫森結經電感相互並聯構成，在rsfq電路技術中起著十分重要的作用。 -
Polycrystalline diamond films were deposited on n - type si substrates. in order to achieve a better distribution of the implanted element, boron ions were implanted by two steps. the i - v curves were studied, the p - n junction effect is very evident
在n型引襯底上沉積一層連續的金剛石膜，通過二次離子注入的方法使b離子比較均勻的分佈在金剛石膜中，通過測量i - v曲線，可以明顯的看出p - n結效應的存在。 -
The unit shall be equipped with a built - in electrical junction box. electrical heating elements shall be screw - in, direct - immersion, resistance - type. element operation shall be controlled by a thermostat for each element
這種熱水爐應該配置一個內置的電氣接線盒。電氣加熱元件應該螺紋擰進的，直接浸入式，電阻型加熱元件。每個加熱元件的工作應該由一個溫控器控制調節。
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