等離子區離子 的英文怎麼說
中文拼音 [děnglíziqūlízi]
等離子區離子
英文
plasma ion-
Finally, the positive column is reached where electrons and ions have equal densities.
最後到達的區域是正柱區,這里,電子和離子具有相等的密度。In this paper, we focus on the following three topics : ( i ) density distribution of dusty plasma in the low - pressure collisionless positive column the radial density distributions of electron, ion and dust particle in the low - pressure collisionless positive column are investigated with a fluid theory and a self - consistent dust - charging model
本文著重以下三個方面的研究: ( )低氣壓無碰撞輝光放電正柱區塵埃等離子體密度徑向分佈本文採用流體模型和自洽的塵埃充電模型,研究了低氣壓無碰撞輝光放電正柱區的電子密度、離子密度和塵埃粒子密度的徑向分佈。Robert c gauthier, mike ashman, athanasios frangioudakis, hawie mende and shanjun ma, radiation - pressure - based cylindrically shaped microactuator capable of smooth, continuous, reversible and stepped rotation, applied optics, vol. 38, no. 22 ( 1999 ) 4850 ? 4860
馬善鈞,徐學翔,空間飛行體與壓縮區內等離子體非穩態相互作用的數值模擬,空間科學學報,第21卷,第4期, ( 2001 ) 305 - - 310 。In this paper, based on the amplitude transport equation of fast varying field and the low frequency disturbance equation of electr on density, the evolutions of the density distribution of charged particles and the collapse of electric field have been calculated numerically in two dimensions with three field components under the condition of transverse wave
所以本文採用了ftcs有限差分格式方法,利用二維三分量軸對稱,對空間飛行體與壓縮區內等離子體非穩態相互作用過程進行數值模擬,得到了電荷密度擾動與電場的變化情況。Ionization balance in corona of laser - produced gold plasma
金激光等離子體冕區電離態特性研究The physical characteristic of forming plasma within resonant cavity was revealed, i. e. the forming mechanism is a switching process from the ionization caused by strong electric field at the initial stage of mpt ' s start to another ionization caused by joule ' s heat at the stage of mpt ' s steady work. the main influencing factors of mpt ' s steady work were studied. anther pointed out the matching between pressure in resonant cavity and microwave power is the determinant factor to the plasma whether stabilization or extinguishing
分析了mpt諧振腔內微波能量的轉換過程,揭示了其內等離子體的形成是由mpt啟動初期的強電場電離形成放電區過渡到穩定工作期的熱電離形成穩態等離子體區這一物理本質;研究了影響mpt穩定工作的主要因素,指出微波有效功率與諧振腔內氣體壓強的匹配是維持等離子體穩定、避免等離子體消失、放電區熄滅的關鍵因素。The enterprise of changzhou lengthen medical equipment engineering co., ltd. offers you dialysis, dialysis filter and piping as well as the further plasma and flux
公司的詳細介紹內包括關于滲析和滲析過濾器的信息。另外,公司也提供等離子體、等離子區(強游離氣體) 、原生漿、原漿、同軸線、管道以及焊藥、焊劑。This paper mainly study on the technics of preparing nano - si3n4 and icpecvd. seeking for the proper parameter and technics, crystallization of nano - si3n4 powder with muffle furnace, probe the new effective way of improving the properties of nano - si3n4 powder the ion density in the reaction chamber was diagnosed by a langmuir probe. the rules were obtained under different air pressure, different radio frequency power and different position which the ion density changes about from 1010cm - 3 to 1010cm - 3 decreasing as the pressure increases and increasing as the power decreases
利用朗繆爾探針診斷了反應室內等離子體參數,得到不同位置、不同功率和不同氣壓下等離子體密度的變化規律,結果表明離子密度為10 ~ 8 10 ~ ( 10 ) cm ~ ( - 3 ) ,等離子體密度隨著功率的增大而增大,隨著氣壓的升高而減小,由於離子鞘層的存在,在一定條件下提供了局部等離子體密度穩定的區域。Different liquids, pure water and hydrochloric acid, nitric acid and aqua regia were tested with icp - ms analysis to collect borehole nanoscale material, and concentrations of elements in varied liquids were determined
摘要利用等離子體質譜技術,對已知礦區井下進行了純水和不同濃度的鹽酸、硝酸和王水等液態捕集劑的捕集吸附性能試驗研究,獲得了不同液態捕集劑中元素含量隨濃度變化的規律。In recent years, al - doped zno ( azo ) thin films has become a hot issue of transparent conductive thin films field and preferred materials instead of ito films not only because of their comparable optical and electrical properties ( high optical transparency in the visible range, low electrical resistivity ) to ito films, but also because of their lower price and higher thermal and chemical stability under the exposure to hydrogen plasma than ito
近年來,由於al摻雜的zno薄膜( azo )具有與ito薄膜相比擬的光電性能(可見光區高透射率和低電阻率) ,又因其價格較低以及在氫等離子體中的高穩定性等優點,已經成為替代昂貴的ito薄膜的首選材料和當前透明導電薄膜領域的研究熱點之一。The turbulent effects of plasmas in above spectral lines broadening have been calculated primarily. furthermore, as an example, the turbulent region scale that corresponds to the turbulent broadening value of fexiva5303 in corona has been calculated
進一步以日冕綠線f _ exiv 5303為例,計算了它的等離子體加寬值對應的湍動區尺度,發現與實際日冕尺度相符。The study of the interaction of magnetic fields and electrically conducting liquids or gases, such as molten metal or plasma
磁流體動力學對磁場和導電的液體或氣體,諸如熔化的金屬或者等離子區之間的相互作用的研究In icf ecperiment, the x ray produced by laser plamsa mainly distributes in sub - kilo electron volt region, whose overall energy, energy - spectrum characteristic, projecting time and its distribution in space are basic dataes in theory and experiment
在icf實驗中,激光等離子體產生的x光主要分佈在亞仟電子伏特區( 0 . 1 - 1 . 5kev ) ,它的總能量、能譜特徵、發射時間過程和空間分佈都是理論和實驗極為關心的基本數據。In simulations, all important phenomena, such as non - neutral sheath widening near cathode, cathode electron emitting, current channel migrating to the load side of the plasma, ion accelerating toward cathode and magnetic insulation of cathode emitting electrons etc, have been observed and depict the internal physics of this device. also presented is the influence of cathode emitted electrons on phenomena in the conduction processes of pegs. the simulation results show, without cathode emitted electrons, rapid magnetic field penetration takes place only in region near the cathode, with cathode emitted electrons, magnetic field penetration takes place in all plasma region
診斷發現了陰極表面非中性鞘層的形成、陰極電子發射、電流通道的漂移、等離子體離子加速以及陰極電子磁隔離等物理現象,揭示了這一斷路器件的物理機制;分析了陰極電子對peos導通過程中的物理現象的影響,模擬結果顯示:忽略陰極電子作用,磁場滲透現象主要出現在陰極表面區域,考慮陰極電子作用,磁場滲透現象出現在整個等離子體區域。There are distinct changes about shifts or intensity in bulk plasmon, surface plasmon, and interband electron transitions losses as a result of oxidation of specimens, and adsorption and oxidation processes can be studied through these changes. at room temperature, the formation of oxide layers on uranium and uranium - niobium alloys were found to occur rapidly upon exposure to oxygen, and the resultant oxide in each case was near - stoichiometric uo2. due to formation of niobium oxide in uranium - niobium alloys, the diffusion of o ~ ( - ) ( o ~ ( 2 - ) ) and u ~ ( 4 + ) in the interface region was prevented, and the corrosion resistance of uranium - niobium alloys to oxygen is greatly enhanced by alloying with niobium
研究結果表明:清潔表面鈮和鈾的體等離子體振蕩所造成的電子能量損失的實驗值與理論計算值較為符合;隨著氧化程度的加劇,表面等離子體( sp ) 、體等離子體( bp )以及價帶電子躍遷所造成電子能量損失的譜峰發生了明顯的連續偏移或強度的變化,這些變化可以用來分析鈾及鈾鈮合金的初始氧化過程;室溫下,鈾及鈾鈮合金很容易與氧作用,最終結果,鈾僅氧化為二氧化鈾,另外,在鈾鈮合金氧化過程中,因為有鈮的氧化物存在,不利於氧和鈾在界面擴散,增強了鈾鈮合金抗氧化性能; eels能獲得樣品表面的信息比aes更為表面,更為靈敏,但由於eels的譜線過于集中,主要在幾十ev以內,也有不容易區別和解譜的不足。Surface plasmon resonance immunosensor is a relatively new immunoassay technique and has been receiving more and more attention in recent years. however, a major disadvantage of spr for bioanalytical applications is that low concentration or low molecular mass analytes could not be detected directly. therefore, it is a challenging task to develop strategies for improving the detection limit sensitivity of spr. in this paper, authors present a novel strategy for improving the sensitivity of spr immunosensing using streptavidinbiotinylated antibody complex. it is proven that the amplification strategy causes a dramatic improvement of the detection sensitivity. this amplification strategy is based on the construction of a molecular complex between streptavidin and biotin labeled protein. the complex can be formed in a crosslinking network of molecules so that the amplification of response signal will be realized due to the big molecular size of complex
將鏈霉親和素-生物素系統用於表面等離子體共振免疫傳感的信號放大,實時檢測了人免疫球蛋白g higg的蛋白濃度。發生免疫反應的傳感片和生物素化抗體反應后,傳感片表面的一層生物素分子隨后與鏈霉親和素-生物素化抗體復合物中的鏈霉親和素的活性位點發生親和反應,從而使傳感片表面特異健合的物質質量顯著增加,大大提高了免疫檢測的靈敏度和檢測限。免疫反應經放大后,可檢測0 . 00510g ml濃度區間內的higg 。That is to say, high frequency modulational field radiated from the antenna system of moving bodies influents the charge distribution in plasma, while the disturbance of the charge distribution influents the field conversely
也就是說,在壓縮區內,飛行體天線輻射出的高頻調制場,影響著等離子體中的電荷分佈,而電荷分佈的擾動又反過來影響場量。Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system
該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。The results show that the higher is electron density distribution, the effect is more evident. so the gradient effect must be included to measure higher density plasma in experiment
結果表明,在等離子體電子密度分佈較高區域,梯度效應明顯,指出在實驗上測量高密度等離子體密度時必須考慮梯度效應的影響。If you ' re looking for a big - screen tv, 60 - inch plasma or whatever, you go to a store, you see it alongside 20 other models
如果你想要找一個大屏幕的電視機, 60英寸的等離子區或者無論哪一種,你到一家商店看到它擺在20臺其它形號的旁邊。分享友人