機(jī)械工程專業(yè)英語-008(編輯修改稿)
2025-02-23 12:17 本頁面
【文章內(nèi)容簡介】 the reflectors surface into the outer glass envelope. The design, fabrication and testing results are described for a prototype collector based on this concept. Efficiencies above 40% up to 300℃ are achieved. A prehensive testing program to measure performance and operational characteristics of a 2m2 panel (45 tubes) is being carried out. 通過把反射器表面與外玻璃封殼相結(jié)合，實(shí)現(xiàn)了目前的外部反射器抽空管集熱器 光效率的改善。本文描述了基于這一概念的一臺(tái)集熱器樣機(jī)的設(shè)計(jì)、制作和測(cè)試結(jié)果。所達(dá)到的效率高于 40%，溫度達(dá)到 300℃ 。目前正在進(jìn)行一項(xiàng)2m2集熱板 (安裝 45只管子 )的性能和工作特性的綜合測(cè)試計(jì)劃。 信息 指示型摘要例 1 A broadband amplifier output work design Abstract: An analytic design method for a lossy gainpensating work is presented and the advantages of Lossy works are discussed. Examples of twostage Amplifiers using PETs and bipolar transistors are Presented to show the feasibility of this particular work in low power Amplifier designs. 寬頻帶放大器輸出網(wǎng)絡(luò)設(shè)計(jì) 本文介紹了有損增益補(bǔ)償網(wǎng)絡(luò)的一分析性設(shè)計(jì)方法，并討論了有損網(wǎng)絡(luò)的優(yōu)越性。文中舉出了采用場(chǎng)效應(yīng)管和雙極晶體管的雙級(jí)放大器實(shí)例。 信息 指示型摘要例 2 A broadband amplifier output work design Abstract: An analytic design method for a lossy gainpensating work is presented and the advantages of Lossy works are discussed. Examples of twostage Amplifiers using PETs and bipolar transistors are Presented to show the feasibility of this particular work in low power Amplifier designs. These amplifiers obtain gains of 177。 with a maximum noise figure in the frequency range and 177。 with a maximum input VSWR of :1 over the GHz frequency range, respectively. 寬頻帶放大器輸出網(wǎng)絡(luò)設(shè)計(jì)
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