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。
By hot pressing, the licoo _ 2 target was produced. different moulds were used in the hot pressing including the graphite mould and the sic mould
在
熱壓法制備licoo _ 2靶材的過程中，使用了石墨
模具，碳化硅
模具。
Design of the hot extruding die for forming the hexagonal hole in the axle
輪軸六方孔
熱擠
壓模設計
Research on modeling of hot embossing polymeric microfluidic chip
聚合物微流控晶元
熱壓成型的建
模研究
Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. through a lot of experiments, the optimization and chosing method of key process parameters ( pouring temperature, mold warm - up temperature, impregnating pressure, impregnating time ) has been mastered. under the precondition of appropriate chosing these parameters, the effective control of extrusion velocity is the key of mading good workpiece. but the control of extrusion velocity remains a handwork, and it is heavily affected by such uncertainties as a handler ' s knowledge and skill about the process. in order to solve the problem, the automatic control of the extrusion velocity is studied, and a computer control system is also designed under existing condition
通過大量實驗，已掌握了關鍵工藝參數（熔液澆注溫度、擠
壓模預
熱溫度、浸漬時間、浸漬力）的優化選取方法。在合理選取關鍵工藝參數的前提下，擠
壓速度的控制是成形出質量良好製件的關鍵。但是，目前對于擠
壓速度的控制仍停留在手動控制階段，利用該工藝制備管、棒材製件的成功與否受操作者對該工藝及其設備的經驗及熟練程度等不確定因素影響很大。
Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application
熱、
壓環境下
壓阻變換
壓力傳感器的性能可以通過有限元方法預測.這里研究了簡化的1 / 8
模型，
模型考慮了二氧化硅和氮化硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元預測結果和實驗數據具有可比性.範例研究表明，硼硅堆導致產生一定的非線性，但它隔離了硬環氧樹脂的非線性.在包裝過程中最好使用柔性環氧黏合或軟黏膠性結合.黏合材料的黏彈性和黏塑性將會導致傳感器輸出的滯后和漂移誤差.然而，在相對穩定的環境下，軟黏合劑對傳感器的影響可以忽略.此外，詳細的設計和過程信息有助於提高
模型的適用性
Design of hot - press fuzzy controller for medium - density fiberboard
中密度纖維板
熱壓機
模糊控制器的設計
Test method for molding index of thermosetting molding powder
熱固
模壓粉
模壓系數的試驗方法
The applications of steel - hard alloy in hot extrusion die
鋼結硬質合金在
熱擠
壓模具上的應用
Explores the location of pressure difference control points in variable flow rate systems with a hot water heating piping model
摘要結合一個
熱水供暖
熱網
模型，探討了變流量
壓差控制點的設置位置。
The result showed that two - stage process was practical to pre - press particleboard mat then to hot - press in mold to produce tridimensional decorative particleboard
結果表明：以刨花預
壓制坯再進行
熱壓模壓的兩步法刨花
模壓工藝，制備具有立體結構的刨花
模壓裝飾板材的技術路線是可行的。
( 5 ) especially, a method to get p _ ( c ) has been developed based on the formerly work by hu jinbiao. many p _ ( c ) of metals have been calculated by this method and been compared with literature and experimental data. it has been proved preliminarily that though this method is very simple and very easy to use, its result is in faith reason
對大量金屬進行了計算，與文獻以其它方法獲得的冷壓結果及實驗數據的比較顯示，該方法具有物理含義明確、基本不依賴于尚存在爭議的熱壓模型、過程簡便、所依賴的數據豐富以及結果穩定合理的特點，是一種適宜於高壓物性日常研究的沖擊壓縮區半經驗冷壓獲得方法。
