熱離子源 的英文怎麼說
中文拼音 [rèlíziyuán]
熱離子源
英文
thermionic ion source-
Bing high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast applications in many areas such as plasama calefaction, linear accelerators, millimeter wave radar, communications, electronic countermeasure and so forth. prof. liu shenggang began the research on electron cyclotron maser, and later, the group leaded by prof. li hongfu has done much research work on gyrotron also, and later, they have began the research on a kind of gyrotron amplifier - - - - - - gyroklystron
迴旋脈塞器件? ?迴旋管作為大功率毫米波源,在等離子體加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景,因此受到了國際上的廣泛重視,特別是近三十年來,迴旋管得到了快速的發展,並成為了研究的熱門方向。Plasma technique was introduced in the research of high power microwave ( hpm ) sources in recent decade. the performance of hpm sources is improved much by filling plasma which is promising in this field. filled - plasma travelling - wave tubes ( fptwt ) is a part of them. it is the main task of this paper to research and design fptwt ' s electron optics system and simulate it
近十年來,在高功率微波的研究熱潮中,引入了等離子體技術。引入等離子體能顯著改善高功率微波源各方面的工作性能,已經成為高功率微波源發展一個頗有前景的新方向,等離子體行波管即是其一個典型代表。According to the thermodynamics analysis of spontaneous mineral of iron, we assumed : when sewage disposal, if sulphur is eliminated prior, this makes the consistency of iron ' s ion keep high relatively, it will react with phosphorus, produce heterosite, vivianite precipitate. this will decrease the interior load of the phosphorus in sediment, and reduce the consistency of the phosphorus in the dianchi lake
根據鐵的自生礦物的熱力學分析,提出設想:如果在污水處理時,優先脫硫,就使鐵離子的濃度保持較高,與磷生成磷鐵礦、藍鐵礦沉澱,就可以減輕沉積物中磷的內源負荷,進而降低滇池湖水中的磷的濃度。The extracellular a - amylase from the hyperthermophilic archaeon pyrococcus furiosus, pfa, is a promising candidate in starch processing, since it is optimally active at 100 and ph5. 5 - 6. 0 and does not require ca2 + for activity or thermo - stability
來源於強烈火球菌( pyrococcusfuriosus )的-澱粉酶( pfa )具有應用於工業的潛力,因為其最佳反應溫度達100 ,最佳ph為5 . 5 6 . 0 ,且其活力或熱穩定性的維持不需要添加鈣離子。- acetolactate decarboxylase are widely found among bacterial strains but not in other groups of organisms. the enzyme has been demonstrated to be effective for removal of acetolactate and widely used in beer product. in this paper, - acetolactate decarboxylase from bacillus subtilis was purifed to homogeneity from cell extract by ammonium sulfate - fractionation, heat treatment, deae - sepharose fast flow column chromatography
本文對來源於枯草芽孢桿菌( bacillussubtilis ) 3226 - 5的-乙酰乳酸脫羧酶經硫酸銨分級沉澱、熱處理、 deae - sepharosefastflow離子交換柱層析等分離純化步驟,得到sds - paeg電泳純,通過n末端氨基酸序列分析驗證酶蛋白的純度。Furthermore, they offer a number of advantages compared to the predominant ito films nowadays : ( i ) cheap and abundant raw materials ; ( ii ) nontoxicity ; ( iii ) good stability in hydrogen plasma, which is of significance for applications related to amorphous silicon solar cell. so the study on zao film is becoming fashionable
而zno : al ( zao )薄膜由於具有優良的光電特性而成為ito薄膜的潛在替代材料,且它還具有原材料來源豐富、成本低廉、無毒以及在氫等離子體中具有較好的穩定性等優點,是目前研究的熱點薄膜材料之一。For mobile sources, meca members include manufacturers of catalytic converters ( catalysts, substrates, mounting sleeves, and converter housings ) for all fuels ; diesel particulate filters ; oxygen, nox, and temperature sensors ; thermal management strategies ; engine / fuel management technologies ; crankcase emission control technologies ; evaporative emission controls ; enhanced combustion technologies ; plasma / corona technologies ; and components for fuel cell technology
在移動源方面,其成員主要從事下列產品或技術的生產或研發:各類燃料的催化轉化器(包括相關產品如催化劑、基質、安裝袖和轉化器殼) ;柴油顆粒過濾器;氧氣、氮氣和溫度傳感器;熱處理系統;發動機/燃料操控技術;曲軸箱排放控制技術;蒸發排放控制;強化燃燒技術;等離子體/電暈技術。The passive location and tracking system, which uses electromagnetic wave emitted by target, has proved its merits of self - hiding and far - distance detecting in modern electronic warfare ( ew ) and information warfare. and it is now the hotspot in the field of non - linear tracking and estimation
在現代電子戰、信息戰環境中,由於利用目標輻射電磁信息的無源探測定位系統具有自身隱蔽和探測距離遠等優點,因此它具有重要的應用價值,並已成為當今非線性跟蹤與估計研究領域的熱點問題。In this article, analysis is made on some problems which must be faced when plasma ignition technology is applied in 600mw unit boiler to achieve a power plant without oil, such as plasma burner disposal, the number of plasma burner, the boiler ignition coursing satisfy the temperature needs, pulverized coal origin, hot air origin, and reconstruction solutions are proposed
本文詳細分析了某廠2 600mw機組鍋爐採用等離子點火技術實現無燃油電廠所面臨的等離子燃燒器的布置、等離子燃燒器層數的選擇、鍋爐點火啟動滿足升溫速度的要求、煤粉的來源、熱風的來源等問題,並提出了相應的解決方案。We are quipped with all kind of advanced equipments, which include water heating unit ; water de - ionizer ; filtration, cooling, liquid circulation systems ; advanced paint heat cure ovens, etc
有熱水裝置,去離子水發生器,超濾裝置,冷卻裝置,直流電源,各種液體循環系統,漆膜固化烘道等輔助設備,為生產線提供工藝配套。整體設備復雜、技術含量高,工藝先進。In the investigation of the interaction of the us - ui laser pulse with the plasma, a standard - ray source is firstly used to absolutely calibrate lif mermc - luminescence dosimeters ( tlds ), and the dosimeter are employed as the angular distribution spectrometer and the energy spectrum spectrometer of the hot electrons
在超短超強激光等離子體相互作用的研究中,首次採用137cs鄧標準源對lif熱釋光探測器( tlds )進行了絕對標定。並以此作為電子角分佈儀和電子譜儀的探測元件,研究了超短超強激光與等離子體相互作用中超熱電子發射的角分佈和能量分佈。The control equation consist of completely coupled deformation equation, seepage equation, conduction and convection equation of heat, which describe the reservoir non - liner performance. 2, present the detailed strategy and methods to solve this mathematics model, the basic strategy as follows : regard the deformation equation ? seepage equation conduction and convection equation of heat as separate system, and solve the equation by coupling and iterative method ; disperse the control equation in the geometry field by the finite element method ( galerkin ), and in the time field by the finite difference method : programme the computer program on this task ; when the solving, take the combinative measures of the thick and thin mesh ; successfully carry out the numerical simulation in vast 3d heat extraction system of hdr
2 、提出了高溫巖體地熱開發的固、流、熱多場耦合數學模型的數值解法,其基本的求解策略是:將固體變形,流體滲流與溫度場方程看成獨立的子系統,耦合迭代求解;利用有限元離散( galerkin )方法將控制方程在幾何域上離散,並用差分法得到時間域上的離散方程,並在此基礎上,編制了相應的計算機源程序;有限元求解中,為減小邊界效應的影響,在計算中採取粗細網格結合的方法,順利地實現了高溫巖體地熱開發三維巨系統的數值模擬。Being high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast application in many areas such as plasma heating, linear accelerators, radar, communication, electronic countermeasure and so forth
迴旋脈塞器件-迴旋管作為大功率毫米波源,在等離子加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景,由此受到了國際上的高度重視。Being high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast applications in many areas such as plasma heating, linear accelerators, millimeter wave radar, communications, electronic countermeasure and so forth. specifically in twenty years later, there was much developments on gyrotron
迴旋脈塞器件? ?迴旋管作為大功率毫米波源,在等離子體加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景,由此受到了國際上的高度重視,特別是近二十年來,迴旋管得到了快速的發展,並成為研究的熱門方向。When the laser beam interacts with the plasma, the effect of plasma on laser beam welding is mainly embodied, for example : the reflection, the scatter, the absorption, and the heat lens effect of the plasma acting on the laser beam and so on
等離子體對激光焊接物理過程及其質量的影響主要體現在等離子體與激光束之間的一系列相互作用上,如:等離子體對入射激光的反射、散射,等離子體對入射激光的負透鏡效應,等離子體對激光能量的吸收,等離子體的反沖力效應,等離子體熱源效應等。There is a part of beam loss during the course as the neutralization of high - energy particles dragged from the ion source, the deflexion of charged particle on the beam stream and the scraped beam of exceeding beam waist and low density. it is necessary to analyze the beam loss and bring forward a rational project for absorbing beam stream
將離子源引出的高能粒子進行中性化,再偏轉掉束流中的帶電粒子,將超過束腰半徑、密度較小的束流削除,在此過程中有一部分束流損失,它直接影響加熱功率的因素,因此,對束流損失進行了分析,對損失束流的吸收提出了吸收方案。According to big bang theory, the early universe is a hot, dense and opaque fluid of electrons and protons. this hot plasma constantly emits, scatters and reabsorbs photons and is the source of the cosmic background radiation
根據大爆炸理論,早期的宇宙主要由電子和質子組成,是一團高密度極端熾熱不透光的等離子體,它不斷放射散射和吸收光子,是宇宙背景輻射的源頭。In this paper , first, the author drew some important conclusions by analyzing several technical factors and experimental conditions which would have great influence on the quality of diamond thin films during mpcvd process , including gas proportion , the power of microwave , the plasma ' s location, the nucleation technique, etc. finally , the author has successfully deposited nanocrystalline diamond thin films with 300nm crystal particles on the slick surface of silicon by using ch4 / h2 gases in the mpcvd system , and the nanocrystalline diamond thin films was proved to have good field emission performance. all these researches will make the foundation for the field emission cathode of diamond films
本論文中,作者分析了mpcvd方法中氣源成分比、微波功率、等離子體球的位置、成核技術等各種工藝條件對金剛石薄膜質量的影響,並總結得到了一些有意義的結論;同時,在自行研製的mpcvd沉積系統上,於4 - 7kpa 、 1000左右的熱力學條件下,採用ch4 / h2氣源氣氛在光滑的硅襯底上制備出了晶粒尺寸在300納米以下的納米晶金剛石薄膜,測試得到了較好的薄膜場致電子發射性能,為金剛石薄膜場致發射冷陰極的研究工作打下了實驗基礎。In order to otain high quality zno thin films, we, for the first time, employ the plasma enhanced chemical vapor deposition ( pecvd ) to prepare high quality zno thin film at low temperature using a zinc organic source ( zn ( c2h5 ) 2 ) and carbon dioxide ( co2 ) gas mixtures. the effects of the growing condiction and the native oxide layer of si substrate on the quality of zno thin films was studied in detail. to prepare p - zno and overcome the dufficulty of reverse due to the interaction between the n atomic, we obtain high qulaity p - zno by a easy way of thermal zn3n2
為了在低溫下制備高質量的氧化鋅薄膜,我們採用金屬有機源和二氧化碳氣源,首次利用等離子體增強化學氣相沉積的技術在低溫下制備了高質量的氧化鋅薄膜,系統地研究了生長條件以及襯底表面氧化層對薄膜質量的影響,確定了生長高質量氧化鋅薄膜的優化條件;為獲得p - zno材料,克服在zno中摻n雜質間相互作用影響摻雜效率不易獲得p - zno的困難,我們通過熱氧化zn3n2的方法制備了p - zno ,獲得了一系列研究結果: 1 、詳細研究了氣體流速比,襯底溫度和射頻功率實驗參數對氧化鋅薄膜特性的影響。Two sources of si were identified. one was from the sif62 - ions, which were formed by a reaction between the treatment solution and quartz substrate. the other was attributed to the diffusion of si from the surface of quartz substrate into tio2 thin film at 700 c or higher calcination temperatures
薄膜中的si元素來源於二部分,其中一部分來源於反應液與石英玻璃基片反應所生成的[ sif _ 6 ] ~ ( 2 - )離子,另一部分則來自於薄膜在高溫熱處理( 700或高於700 )過程中從石英玻璃表面擴散到薄膜中的si元素。分享友人