核型原子 的英文怎麼說
中文拼音 [héxíngyuánzi]
核型原子
英文
nuclear atom-
Following with the condensing of chromatin, nucle us gradually elongates and spires. a large number of vesicles turn into glycogen granules behind mitochondria. the mature typical sperm of cipangopaludina chinensis, having monoflagella, consists of a spiral head with only one spiral buddle conformed of nucleus, a spiral middle piece with four s
中國圓田螺成熟典型精子單鞭毛,由頭、中、尾三段構成:頭段螺旋狀,旋束由細胞核構成,僅單股;中段也呈螺旋狀,旋束由線粒體構成,共四股;尾段非螺旋狀,主要由糖原顆粒構成。In order to meet the requirements of nda measurement, the laboratory of technical research for nuclear safeguards of china institute of atomic energy ( ciae ), is being in charge of developing four sets of nda standards : one set of segmented gamma - ray scanner ( sgs ) uranium standard, one set of sgs plutonhim standard, one set of plutonium isotopic standard, and one set of active well coincidence counter ( awcc ) standard. in this dissertation some pivotal techniques on quality control in developing of nda nuclear standards above were emphatically studied
中國原子能科學研究院核保障技術重點實驗室研製分段y掃描裝置( sgs : segmentedgamma - rayscanner )鈾工作標準樣品、 sgs鈈工作標準樣品、鈈同位素標準樣品和有源中子井型符合計數裝置( awcc : activewellcoincidencecounter )鈾工作標準樣品來滿足核材料nda測量的要求。本論文重點對上述nda核標準樣品研製過程中質量控制的一些關鍵技術進行了研究。The typical sperm of cipangopaludina chinensis, having spiral nucleus, long and spiral mitochondrion and a large number of glycogen granules, belongs to the modified sperm
中國圓田螺典型精子是一種修飾型精子,含有螺旋狀的細胞核,拉長並螺旋的線粒體和大量的糖原顆粒物質。In this thesis, the basal theory of the nuclear structure were firstly and systemically described, the background and the application of the liquid - drop model, feimi - gas model, shell model and collective movement model were meticulously concluded and summarized. on the one hand, we not only pointed out their success, as well as their important effects on developing the nuclear theory and setting up the integrated nuclear theory system, but also pointed out their deficiencies
本文首先對原子核結構的基本理論進行了系統的描述,對液滴模型、費米氣體模型、殼模型、集體模型等的背景以及它們的應用作了細致而又簡明的歸納和總結,一方面指出了這些模型的成功之處,以及這些模型在發展原子核理論並建立完整的原子核理論體系中的重要作用,同時也指出了它們的局限性。In 1909, ernest rutherford showed that atoms were mostly empty space, revising the model of an atom to a tight positive nucleus containing the protons and neutrons with electrons around it ; by 1913, danish physicist neils bohr envisioned a planetary arrangement in which the electrons orbited the nucleus at different energy levels
在1909年,歐內斯特?盧瑟福展示原子大部分是真空區,修正的原子模型就是緊密的陽性核包含質子和中子,電子圍繞中子旋轉;到1913年,丹麥物理學家尼爾?波爾想象了一個電子以不同能量水平面圍繞原子核旋轉的行星排列。Since in the few - body glauber theory the core and valence nucleons of a halo nucleus are treated separately, the obtained expressions of the reaction cross section, the nucleon removal cross section and the momentum distribution are all involved in multidimensional integrations
由於在少體近似glauber模型中暈核被分成核芯和暈核子來處理,所以得到的暈中國原子能科學研究院博士學位論文核散射反應截面、核子逃逸截面以及動量分佈的計算公式均包含高重積分。The type of intensity alternation ( whether the even or the odd lines are strong ) is determined by another important nuclear property
強度更迭的類型(偶數譜線強還是奇數譜線強) ,取決于另一個重要的原子核性質核統計法。The type of intensity alternation(whether the even or the odd lines are strong)is determined by another important nuclear property.
強度更迭的類型(偶數譜線強還是奇數譜線強)取決于另一個重要的原子核性質。Since the magic number 28, which is the first that requires the introduction of a strong spin - orbit interaction belongs to the if2p shell in the nuclear shell model. so the nuclei in the if2p shell have been a research hotspot in nuclear physics. the doubly odd nucleus 64cu which is also in the if2p shell has been the subject of many experimental investigations previously via various type of nuclear reaction such as 64ni ( p, ny ) and its excitation leveles have been already studied to about 8 mev
放射性核素~ ( 64 ) cu是奇奇核,屬於1f 、 2p殼層,而在原子核殼模型中,第一個需要引入強自旋-軌道藕合才能出現的幻數就在1f 、 2p ? ?殼層,因此if 、 zp殼層一直是核物理領域的研究熱點,近三、四十年來使用了各種不同類型核反應例如『 4ni … , fly )等反應,對『 ll激發態性質進行了廣泛的研究,其激發能級已到了smev左右。In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm
本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎,重新設計了以dsp為控制核心的控制系統,主要解決原系統存在的以下問題: ( 1 ) pc機既要實時控制數據的採集與發送,又要進行圖像的后處理,整個系統的實時性難以達到要求; ( 2 )隨著spm功能的擴展,一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能,另一方面也意味著自動控制量的增加和數據處理量的增加; ( 3 ) 16位a d 、 d a都採用的是購買的板卡,也通過isa槽插在pc機內,成本高,不利於擴展; ( 4 )另外,數字板通過isa槽插在pc機內,易受于擾,而且給安裝帶來不便。Which is very dim and hence very difficult to find. if it is massive enough though model dependent, the lower mass limit is about 0. 1 solar mass, the gas in the protostar continues to heat up until the central portion becomes hot and dense enough for, say, the hydrogen nuclei to overcome their mutual electrical repulsion. nuclear fusion will then take place and a star is finally born
如果原行星質量足夠大下限約為0 . 1個太陽質量,要注意的是,不同的理論模型會給出不同的下限,原恆星會不斷變熱,直至核心部分足夠熱和高壓,令氫原子核克服質子間的電排斥力,產生核聚變,成為一顆真正的恆星。This course includes : the understanding of biomolecules ; the difference between prokaryotic and eukaryotic cell ; the structure of amino acids and their characteristics ; the stereo - structure of protein ; cell membrane and lipids ; the activity of enzyme ; the activity of nucleic acid ; the application of biotechnology
本課程主要包括有生物分子之了解,真核與原核生物之異同;胺基酸之結構及性質;蛋白質與其空間構型;脂質及細胞膜;酵素之作用;核酸之作用;生物技術之應用。The key issue of the study is to solve the effective exhaustion item type of the small - scale original numerator and sparse data set, so it can make analysis on all the possibilities of the containing type
研究的核心問題是解決對小規模原子項和稀疏數據集進行有效的窮舉項類型,從而進行所有蘊涵式可能性的分析。These experimental results show that < q12 > is independent of the dimuon mass and logitudinal momentum, and imply the scattering of the incident quark within the target nucleus. by means of the glauber model, the difference of the mean transverse momentum squared < qt2 > is studied for the dependence of the incident proton energy and nucleus. the theoretical results are in good agreement with the fnal e772 experimental data
本文利用多重散射的glauber模型,討論了入射夸克在原子核中傳播的多重散射效應,給出了兩個不同的核drell - yan過程產生的末態輕子對橫動量平方平均值的差值對入射粒子能量核靶核的依賴性關系,計算結果與e772組的實驗數據符合甚好。The models can not only describe the morphology of coherent precipitate, reverse coarsening, atom ordering and interface evolution successfully, but also fit all stages into one physical model, including nucleation, growth and coarsening
該模型可成功地描述共格沉澱相的形貌、反粗化現象、原子有序化、界面的演化等,並將形核、長大和粗化在同一理論框架內考慮。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。In this paper, the color dipole approach in the target rest frame is presented and the ratio of the drell - yan cross section per nucleon for an 800 gev proton beam incident on a variety of nuclear targets are calculated and the results are compared with fermilab e772 and e866 experimental data. it is shown that without considering the energy loss effect, the calculated results can fit rather well with experimental data
本文介紹了靶靜止系中色偶極模型,用色偶極模型計算了800gev質子與原子核碰撞的drell - yan過程的微分截面比,並與e772和e866實驗結果進行了比較。發現:不考慮能量損失,只計及p - a碰撞中的遮蔽效應,理論結果就與實驗符合的很好。The results of confocal laser scanning microscopy ( clsm ) and atomic force microscopy ( afm ) proved that the microspheres or nanospheres with different surface characters were obtained successfully. the clsm investigation of fitc labeled particles showed that polymeric microspheres have a core - shell structure in which the surfactants existed in the shell of particles. polymeric microspheres with different surface characters were embedded onto the surface of pla membranes via surface entrapment
激光共聚焦顯微鏡( clsm )和原子力顯微鏡( afm )觀察分析結果證實可通過上述技術獲得具有不同表面性質的微米級或納米級聚合物微球,而熒光標記技術( fitc )則證實了聚合物微球具有明顯的核殼型結構,表面穩定劑存在於微球的殼層。In this paper, we first introduce the basic background of the study of nuclear structure, some elementary knowledge about and the latest achievements in the study of the phenomena of signature inversion ( si ). then the description of the two quasi - particles plus a rotor model ( prm ) of odd odd nuclei is given. by the model we perform the practical calculations of the yrast bands of some nuclei in a 100, 130 mass region
本文首先簡要介紹了原子核結構研究的一些基本概況以及與旋稱反轉現象相關的一些基本知識和奇奇核旋稱反轉現象的最新研究進展;然後較詳細地介紹了用於奇奇核旋稱反轉研究的二準粒子加轉子模型( prm ) ,著重對a 100 、 130質量區中的幾個奇奇核的暈帶能譜進行了實際prm計算,結合計算結果,討論了旋稱反轉、三軸形變以及反轉機制等相關問題。The effective method of nucleation and growth of nanoparticles as applied to synthesize w - and mo - containing polyoxometalates nanoparticles in precursor films by making use of their acidity or oxidative property. the controllable synthesis of nanoparticles can be achieved by increasing synthetic cycle of polyoxometalates. the composition, structure, and properties of the as prepared composite films have been characterized in detail by uv - vis, ftir, x - ray photoelectron spectra, scanning electron microscopy, atomic force microscopy, transmission electron microscopy and cycle voltammograms
利用有效的在前體膜中成核、生長納米粒子的方法,使用keggin型鎢系、鉬系多酸,有目的地利用其酸性,強氧化性,在膜中發生反應,從合成出基於多酸的納米粒子,通過增加多酸的反應循環數,我們可以實現了納米粒子的可控合成,採用uv - vis光譜、 ftir光譜、 x -射線光電子能譜、掃描電子顯微鏡、原子力顯微鏡、透射電子顯微鏡、循環伏安對所制備的納米復合膜進行了組成、結構和性質表徵。分享友人