射電復合線 的英文怎麼說

中文拼音 [shèdiànxiàn]
射電復合線 英文
radio recombination line
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : 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...
  • : Ⅰ形容詞1 (重復) repeated; double; duplicate 2 (繁復) complex; compound Ⅱ動詞1 (轉過去或轉過...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. By the methods of epn ( electronic probing needle ) 、 sem and xed, the formation mechanisms of the wear - resistant composite layer are studied, the results indicated that, molten iron has infiltrated into the alloying layer under capillary action. this caused ht powder, whose fusion point is low relatively, to be surperheated and formed a surface composite layer

    利用子顯微鏡及x等試驗方法,研究了層形成機理,研究表明,層是在毛細力作用下,鐵液被吸入金層中,致使低熔點ht粉過熱熔化而形成的,並與母材是冶金結
  2. The ultrastructure of the merozoites of eimeria tenellawas observed and discribed. the pellicle consist of two layer membranes, the outer membrane was a continous covering enclosing the whole merozoites, while the inner pellicular complex is interrupted at the anterior and the micropore, and thicken to form the polar ring and micropore. there are 24 microtubules under the pellicle of the merozoite which originated from the polar ring, all of them are connected with the polar ring, and extend alongside the inner pellicular complex to the middle of the merozoite. the head of the merozoite consists of a conoid, an apical vesicule and polar ring. the conoid is a hollow truncated cone. the conoid and spical vesicule can stretch and contract. there are three or more rhoptry and a lot of micronemes. the nucleus has nucleolus. and two layer membranes

    利用透鏡對柔嫩艾美耳球蟲裂殖子的超微結構進行了觀察描述.柔嫩艾美耳球蟲裂殖子的表膜由外膜和內膜體兩層組成,外膜連續,內膜體在頭部斷開形成極環,在其它部位斷開形成微孔;裂殖子的膜下微管24根,起始於極環,向後延伸至細胞核處;裂殖子的頭部由頂泡、錐體和極環組成,錐體和頂泡可以伸縮;柔嫩艾美耳球蟲裂殖子棒狀體3個以上,微數量很多,二者都由子緻密的結構組成;細胞核位於裂殖子的中後部,外被雙層膜,有子緻密的核仁和染色質
  3. In chapter two, we fabricated r - ni - fe / al2o3 nanocomposites successfully by using ball - milling mixing method plus hot - pressing process. meanwhile, their microstructures are characterized by x - ray diffraction ( xrd ) analyser, transmission electron microscopy ( tem ), field emission scanning electron microscopy ( fe - sem ) and brunauer - emmett - teller ( bet ). the results indicate that ni - fe particles are homogenously dispersed in the matrix in the composites

    在第二章中,我們採用高能球磨混方法加上熱壓燒結工藝,成功制備了ni - 20fe al _ 2o _ 3納米材料,並通過x儀( xrd ) 、透鏡( tem ) 、場發掃描鏡( fe - sem ) 、比表面孔隙儀( bet )對該材料的微結構進行了表徵。
  4. The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "

    認為cu等離子體羽的發光機制是由子與粒子的碰撞傳能、子與離子的形成的;隨激光能量的增加, cu等離子體特徵輻(分立譜) 、連續背景輻(連續譜) 、子溫度都出現最大值;結對al的實驗結果說明:激光燒蝕金屬產生的等離子體,其特徵輻、連續輻子溫度可能都存在一定的能量閾值;背景氣壓對激光燒蝕等離子體譜的影響,其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜結果。
  5. The isoelectronic system of gap : n has been investigated extensively in the dilute limit since 1965. thomas et al identified that a series of sharp emission lines in gap : n were due to the recombinations of excitons bound to either isolated nitrogen centers or various nitrogen pair centers

    這些譜來自於等子雜質n形成的束縛激子態(孤立n中心和nn _ i對)輻產生的零聲子及其聲子伴
  6. The composite roll of high speed steel has the synthetical life of over ten times more than traditional high cr cast iron roll. now the research and production of the high speed steel for roll are very drastic. in this thesis, the microstructure, heat treatment and performance of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) are studied systematically by using metallograph, method of lattice, xrd, sem, eds and hardness

    本文利用金相法(包括黑白金相和彩色金相) 、 x( xrd ) 、掃描子顯微鏡( sem ) 、能譜( eds )及洛氏硬度分析儀等手段,對軋輥用高速鋼fe - 2 c - 4 v - 4 mo - 5 cr - x w (其它部分如未作特殊註明均為質量分數)金系的顯微組織、熱處理工藝及性能進行了系統地分析。
  7. Four kinds of c / c composites with different preparation techniques were graphitized at 2400 - 2880. the relations between magneto - resistance and orientation ( the angle between surface of samples and magnetic field ), measure temperature, the intensity of magnetic field ( b ) were studied for each sample. the micro - structure and x - ray diffraction pattem were investigated too

    本論文在對制備工藝不同的四種碳/碳材料樣品進行2400 2880的石墨化處理后,應用ppms ( physicalpropertymeasurementsystem )研究了測試位向(試樣某特定面和磁場方向夾角) 、測量溫度以及外加磁強對材料磁阻特性的影響,同時研究了各試樣的微觀結構和x譜圖。
  8. The morphology, composition and crystalline of the composite particles were characterized by scanning electron microscopy ( sem ), x - ray diffraction ( xrd ) and thermo - gravimetric analysis ( tga ) techniques

    利用掃描子顯微鏡( sem ) 、 x -分析( xrd )和熱重分析( tga )對微球的形貌、無機沉積物cds的晶型和有機-無機成分相對含量等進行了表徵。
  9. The melted tungsten carbide would react with the steel matrix on the interface and the reaction zone was observed as a result. the reacting production was examined as fe3w3c by means of x - ray diffraction and scanning electron microscopy analysis. the reaction between tungsten particle and steel matrix could improve the interfacial bonding strength remarkably

    Wc鋼材料的制備過程中, wc顆粒在高溫下發生了局部溶解並在wc顆粒和鋼基體界面處發生了界面反應; x子衍花樣分析表明,反應產物為高穩定性的fe _ 3w _ 3c ,界面反應有效地改善了wc顆粒與鋼基體的界面結
  10. Within 3mm of near the al target, there were the continuum spectra and the line emissions, the former was produced by bresstrahlung and compound of electrons, the later came from the excited state of al, al + and al2 +. in order to analyze the shape of the aluminum resonant double lines, al 1396. 15nm and al i394. 40nm, relative intensities of the double lines were acquired by integrating the area under the double lines, respectively

    在近靶面3mm左右的范圍內, a1等離子體的發光譜主要是連續輻形成的連續譜和疊加於連續譜上的分立譜,其中連續輻主要由子的韌致輻產生, a1原子譜比離子譜在空間上分佈范圍更廣。
  11. Microstructure of the composite layer was analyzed with help of optical microscope, scanning electronic microscope ( sem ), electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ). the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction, sintering theory and the result of dta. at the same time, the wear - resistance of the composite layer was studied under condition of dry sliding friction

    利用光學顯微鏡、掃描子顯微鏡、子探針以及x -儀,分析了表面層的基體組織結構;運用反應熱力學、動力學、粉末燒結理論和燃燒成理論,結差熱分析結果,探討了表面層壓坯的燒結緻密化原理和碳化物增強相的形成機理;利用坯塊在真空燒結爐不同溫度下的燒結出來的顯微組織分析,模擬出坯塊的燒結過程中的化學反應過程。
  12. Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established

    鈍化機理研究獲得了表面對不同表面摻雜濃度晶體硅太陽池性能的影響、表面和界面速度的理論表達式;研究得到了減反膜對太陽池短路流增量比的極限;建立了太陽池光譜響應、柵極接觸阻和少子壽命等測試系統。
  13. The composition, structure, and properties of the as prepared composite films have been characterized in detail by uv - vis, ftir, and x - ray photoelectron spectra, ellipsometry, scanning electron microscopy, atomic force microscopy, transmission electron microscopy, fluorescence spectroscopy, and standard four - probe technique

    採用uv - vis光譜、 ftir光譜、 x -子能譜、橢圓光度法、掃描子顯微鏡、原子力顯微鏡、透子顯微鏡、熒光光譜和標準四探針技術對所制備的納米膜進行了組成、結構和性能表徵。
  14. In this paper the formula, the technics, the dosage of the filler and the macromolecule coupling agent are studied which influence the technics condition, mechanical properties, structure configuration. also x - ray large angle diffraction, scan electron microscope, dta etc are used to analysis and test the properties of the pp / talc composites. conclusions as follows : 1

    本文系統地研究了體系配方、工藝方法、填料及偶聯劑用量對體系工藝條件、力學性能及結構形態的影響,同時利用廣角x、掃描鏡、 dta等對體系的性能進行了測試與分析,主要研究內容及結論如下: 1滑石粉的加入,雖然使pp的熔化時間增加,但是混煉能耗下降,有利於pp的加工;偶聯劑的加入,使pp的熔化時間增加,能耗略有降低,總體而言,對加工無不利影響。
  15. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結pml吸收邊界條件,我們對加了這種新的覆層結構並且基底鉆孔的結構磁(光子)晶體貼片天的性能進行了研究,結果證明加了這種新的磁晶體覆層結構以後,天的波束收攏很多,並且向前輻的增益大大提高,與普通天相比,天的e面和h面方向圖上向前輻的增益均提高了約6db ,另外,該結構天的方向性系數達到了11 . 5浙江大學博士學位論文db ,與該物理尺寸天的方向性系數的理論極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的磁晶體覆層天的相應差值減少了約4 . 1db ,比qiu等人設計的磁晶體天的相應差值減少了約1
  16. The morphologies of powder were observed by using high - resolution transmission electron microscopy ( hrtem ) ; x - ray diffraction ( xrd ) pattern was used to analyze the phases of the powder ; energy dispersive x - ray spectroscopy ( edx ) was used to analyze the component of composite powder

    用高分辨鏡觀察粉體的形貌,進行子衍分析;用d / 3ax3b型x儀作粉體的物相分析;用pv9900型能譜儀作粉末的成分分析。
  17. Furthermore, we compared the mechanical properties between the modified nano - cac03 / pp and unmodified nano - cac03 / pp. we have investigated the composites by means of mechanical testing, dsc, xrd, ft - ir, tem, sem, etc. the relation between the structure and property of the composites has been discussed in this thesis. we studied the nano - particles by means of ls particles size analysis, we also studied the modified nano - cac03 by means of ft - ir

    論文中對caco _ 3粒子進行了粒度與比表面測試分析,對經鈦酸酯偶聯劑表面改性的納米caco _ 3粒子進行了紅外吸收光譜分析,對改性后的材料進行了力學性能測試、差熱掃描量熱分析、 x譜、紅外吸收光譜、透鏡、掃描鏡等分析,討論了樣品中結構和性能之間的關系。
  18. The composites with different compatibilizers and nano - sio2 content were characterized by means of mechanical testing, differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), fourier transformation infra - red spectroscopy ( ft - ir ), transmission electron microscope ( tem ), scanning electron microscope ( sem ), etc. the relation between the structure and property of the composites was discussed in this thesis

    研究了不同增容劑、納米sio _ 2含量對材料的沖擊強度、拉伸強度等力學性能;並利用差熱掃描量熱分析( dsc ) 、 x譜( xrd ) 、紅外吸收光譜( ir ) 、掃描鏡( sem )等分析,討論了材料結構與性能的關系。
  19. The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power

    採用組裝實驗池、 x -( xrd )和循環伏安( cv )的方法,從實驗池的放特性、充放循環特性、自放特性,不同高鐵酸鹽的結構特性和化學特性幾個方面,對4種金屬負極材料( al 、 fe 、 zn 、 cd ) 、 6種隔膜材料(玻璃纖維、幅接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素) 、 4種集流體材料(泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網)在堿性高鐵池中的適用性進行了比較研究;對2種雜質組分( zno 、 fe ( oh ) _ 3 )和2類不同貯存方式(干、濕)對實驗池自放特性的影響進行了比較研究;對3種方法(高溫固相反應、次氯酸鹽氧化、直流解)所制k _ 2feo _ 4的實驗池的放特性、結構特性和化學性能進行了比較研究。
  20. By analyzing their energy offset on the interfaces, we found that the introduction of ii - vi compounds replaces the original steep barrier with ladder - like barriers. the injection probability becomes the production of two injection probabilities through lower barriers and become larger than the original one. in chapter 5 we want to utilize the deeper, dynamical ( in addition of static ) properties of semiconductor to reinforce the luminescence of oel

    為使類陰極發光同有機致發光集成,我們設計了非對稱結構al sioz mnppvn , mn ppv中的發光是由於從sioz出來的子和從ld注人的空穴的,而由於sioz中的子的倍增過程,從sioz層出來的子能量不是單一的,而有一個從低能到高能的分佈。
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