粒子譜 的英文怎麼說
中文拼音 [lìzipǔ]
粒子譜
英文
alpha ray spectrum-
We can see from the photos of the sem that the diameters of the powers of this tree land of materials obtained by the system of trion x - 100 / caprylic alcohol / cyclohexane / water are about 20 nm. by means of uv - vis, atomic absorption spectrometry and so on, nanoparticles of this three kind of anode materials are synthesized
利用trionx - 100 /正辛醇/環己烷/水反膠束體系制備出三種物質的粉體,掃描電子顯微鏡照片顯示粒子的粒徑在20nm左右,分佈均勻;此外還利用uv - vis 、原子吸收光譜等測試手段,都表明合成出了三種正極材料的納米粒子。Radiation spectrums of relativistic charged particles in a dipolar magnetic field were studied numerically in detail by using the current density of moving charged particles in this paper
摘要從運動的荷電粒子產生的流密度出發,研究了在地球偶極磁場中運動的相對論性荷電粒子的輻射能量譜,並對其進行數值計算。Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically
考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。Studies of photoelectric property about nanocomposite oxide with sno2 and a - fe2o3 using sol - gel method we prepared nanocomposite oxide with sno2 and a - fe2o3, we analyzed it ' s property with xrd uv spectra surface photo voltage spectra ( sps ) and field induced surface photovoltage spectra ( fisps )
一fez仇復合氧化物納米粒子,並用xrd 、紫外可見吸收光譜、表面光電壓譜( sps )以及場誘導表面光電壓譜( fisps )進行了分析和表徵。The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included
雲中凝結核ccn的數濃度採用超幾何函數表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案給定閾值的方法描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子群的平均落速帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。Using the 1ap 3 - d hailstorm numerical model, we analyze influence of variation on rainfall amount, hail fallout amount, dynamical process of cloud, microphysical process, mechanism of hail suppression with seeding, and seeding outcome. besides, we use those study outcomes and bring forward some advice about using and improving model. we simulate a hailstorm occurred in nanjing county and analyze influence of raindrop, ice crystal, graupel size distribution on outcome of model
本文利用中國科學院大氣物理研究所的三維冰雹雲催化數值模式,通過對冰雹雲的模擬和對譜參數的數值試驗結果,分析了冰雹雲中粒子譜形的變化,對雲和降水過程的影響,其中包括雨滴譜、冰晶譜、霰譜的形狀參數對自然雲的發展過程、降雨降雹、雲中微物理過程、霰以及冰雹的形成機制的影響。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電子與粒子的碰撞傳能、電子與離子的復合形成的;隨激光能量的增加, cu等離子體特徵輻射(分立譜) 、連續背景輻射(連續譜) 、電子溫度都出現最大值;結合對al的實驗結果說明:激光燒蝕金屬產生的等離子體,其特徵輻射、連續輻射、電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線的影響,其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。Symmetry in spectrum space of isotonic oscillator and two - photon parametric model
同調諧振子譜空間上的對稱性和參量雙粒子模型In chapter one, we make a review of particle acceleration theory and the use in solar corona. in chapter two, first we get the spectrum of synchrotron radiation then obtain the electron energy spectrum. in last chapter, we select the typical solar active region parameter to compare our result to the observation and discuss the acceleration mechanism
本文第一章對粒子加速理論以及目前各種加速理論在太陽日冕中的應用作了介紹;第二章通過理論計算得到同步加速輻射譜以及電子能譜;第三章選取太陽日冕中典型參數,對同步加速輻射加速日冕快電子作了簡單討論。On the basis of lorenz - mie theory, this paper is devoted to the research on characteristics of intensity and spectrum distributions of each order rainbow for a homogeneous particle, with the usage of geometric optics theory, airy theory and debye theory
本文基於小粒子散射的lorenz mie理論,結合彩虹的其它理論(幾何光學理論、 airy理論、 debye理論)研究了均勻球、柱粒子各階彩虹強度分佈和頻譜特點。His creative work firstly lies in : discovering the j particle according to the infinite and disjunctive dialectical materialism viewpoint, challenging " the quark confined ", and investigating the cosmos profounded mystery, by researching to manufacture " alpha magnetic spectrometer "
他創造性的工作在於:根據物質無限可分的辯證唯物主義哲學觀點,發現j粒子,挑戰「夸克禁閉」 ;研製阿爾法磁譜儀,探索宇宙奧秘。The absorption of this radiation in various lines followed by cascade transitions to lower levels might ultimately produce an anomalously high population for the excited levels of these molecules.
在各譜線處對這種輻射的吸收以及接著向低能級的級聯躍遷最終可能使這些分子的激發能級產生異常高的粒子數。A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid
利用六偏磷酸鈉作為穩定劑,通過控制反應物的濃度及比例,制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒,光譜測試結果表明,顆粒具有明顯的量子尺寸效應,適當過量的cd ~ ( 2 + )離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能;採用檸檬酸鈉還原氯金酸,制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒;採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point
系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關,因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息,對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標度規律。To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds
利用所取資料,系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵;綜合分析了影響沙塵起動的諸物理因子在沙塵起動中的作用;用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明,沙塵暴有其高發期( 4 、 5月)和高發時段( 14 - 20時) , 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下,湍流動量通量和湍流感熱通量都是重要的湍流交換,沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。Charged particle spectrograph
荷電粒子譜儀The a particle spectrum is monitored with the associated particle method is analyzed. the factors to effect the neutron fluence rate are theoretically analyzed and calculated
對伴隨粒子法監測的粒子譜進行了分析,對各種可能出現的譜進行了討論,對影響中子注量的一些干擾因素進行了理論分析和計算。A multi - laminated structure telescope and a modified fast response electronics system were adopted to design a multi - functional charged particle spectrometer - identificator for near - earth space environment studying. the telescope system for this instrument consists of three au - si surface barrier detectors with different thickness and an scintillation csi ( tl )
這套空間帶電粒子譜探測系統主要有金硅面壘探測器、 csi閃爍體和改進的快響應電子學系統構成,包括e - e望遠鏡系統和數據的獲取及處理系統。1 ) the number of sandstorm days from 12 weather stations in the helanshan zone is documented, indicating that the events can happen on the east and west sides of the ranges all the year round, with high frequencies in april to may, averaging 3. 2 and 3. 1 days on the west side, respectively and with the eastern high frequency in april, averaging 2. 0 days. also, analysis reveals that the high frequency period for eastern station yanchi and western guaizihu is april, with 5. 4 and 5. 2 days, on average, respectively
銀川、巴音浩特和通古淖爾三地背景大氣沙塵氣溶膠粒子的數濃度譜和質量濃度譜均呈單峰型,服從對數正態分佈,與城市污染物氣溶膠的三峰、雙峰質量譜明顯不同。浮塵、揚沙、沙塵暴天氣條件下,平均數濃度和質量濃度是依次增加的,可相差4 - 7倍。沙塵氣溶膠粒子譜分佈還與地理位置有關。Given the success of replacing the gravitational force with the dynamics of space and time, why not seek a geometric explanation for the other forces of nature and even for the spectrum of elementary particles
既然空間與時間的動力學已經成功取代重力,我們為何不去尋找其他作用力的本質、甚至基本粒子譜的幾何解釋呢?分享友人