非均勻核 的英文怎麼說

中文拼音 [fēijūnyún]
非均勻核 英文
heterogeneous nucleus
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
  • : 核構詞成分。
  1. Tgs method can determine quantitatively with high accuracy transuranic nuclides in heterogeneously distributed media with medium - and high - density, and is thus widely used to assay the location and quantity of selected radioisotopes in scraps and wastes within sealed containers

    它是專用於準確定量測量中、高密度分佈介質中的放射性素及其含量,是設施中可回收物以及廢物測量分析的主要方法之一。
  2. From mathematical models for inverse scattering in two dimensional inho - mogenous media including variable impedance, all kinds of probable mixed variable impedance boundaries and cracks, from interior and exterior trans - mission problems and radiation condition, ill - posed integral equation and indicator function method are formulated for the diverse of boundary iden - tification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given. 3

    在二維介質逆散射邊界識別的數學模型(包括一般的介質,正交各向異性介質,變阻抗介質,各種可能的混合變阻抗邊界問題)下,由內透射問題和外透射問題以及輻射條件,推導了上述介質的邊界識別的積分方程和指示函數方法,由於積分方程的充分表徵了散射物的邊界,由此說明只要利用正則化方法求解該積分方程,就可以確定散射物的邊界。
  3. At the beginning, the cytoplasm is evently distributed, then it is polar - distribution and at last it only remains between the apical cap and the sperm nucleus. during the period of spermatogonium, chromatin in the nucleus is in the shape of conglomeration and the nucleus is big ( i. e. the proportion of the nucleus to cytoplasm is bigger than spermatocyte ). at the stage of primary spermatocyte, chromatin accumulates to sc complexity. the nucleus of the mature sperm takes the shape of a plate and filmentous chromatins exist freely in uncondensed nucleus

    精子發生過程中,細胞器由少到多,到最後解體;細胞質從分佈,到精細胞期極性分佈,最後殘留于成熟精子的頂帽和精之間;細胞在精原細胞期,染色質異固縮,胞大,即質比大於后續的精母細胞;在初級精母細胞中,染色質凝聚為sc復合體,到成熟精子,精呈碟狀,染色質呈絲狀游離于濃縮的中。
  4. Inorganic salts, such as a1 ( no3 ) 3, zrocl2, ticl3, et al. was used as raw materials and corresponding hydroxides were deposited on the surface of graphite particle with heterogeneous nucleation process ; composite particles of graphite / oxides were obtained after heat treatment. in this paper, preparing conditions and properties of composite particles were studied

    本論文以無機鹽(硝酸鋁、氧氯化鋯、三氯化鈦等)為原料,在石墨的稀懸浮液中應用技術,使水解產物(水合氧化物)沉積到微米級鱗片石墨表面,經洗滌、烘乾和熱處理制備出石墨氧化物復合粉體。
  5. The fracture and spheroidization of cementite shows obvious anisotropy. there are two possible mechanism about spheroidization of cementite : the fracture cementite lamellae grows up non - uniformly and the fine spherical cementite particles grows up as the core

    滲碳體的破碎和球化表現出明顯的各向異性。滲碳體的球化可能以兩種機制進行:破碎滲碳體片的長大和細小球狀滲碳體顆粒的形長大。
  6. 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,以獲取大面積的溫度場區,甚至獲得大於基片臺尺寸的溫度區;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。
  7. Computing the maximal grain size during incipient motion d _ ( cmax ) and gross bed - load transport rate in non - uniform sediment with a wide distribution are two important indexes for description its transport law, and it is also a core question for discussion in non - uniform sediment research

    寬級配沙最大起動粒徑d _ ( cmax )和推移質總輸沙率的推求是刻畫沙推移質輸移規律的兩個重要指標,也是研究沙運動規律的心課題之一。
  8. The fipwa based on electric integral equation ( efie ) is presented firstly, the green ’ s function expansion with sommerfeld identity ( based on bessel kernel ) is studied and the msdp for two cases is formulated. in order to improve the iteration property and avoid inner resonance, the combined field integral equation ( cfie ) fipwa is then constructed successfully

    首先研究了基於電場積分方程的快速平面波演算法,對索末菲恆等式(基於貝塞爾積分)展開的格林函數進行了深入研究,分兩種情形解決了修正最陡下降路徑的設計問題。
  9. By the analysis of coating ratio, oxidation ratio, micrograph and particle size of composite particle, it was found out that factors such as ph value, coating temperature, concentration of premonitory matter solution mainly affect the coating layer forming

    通過包覆率、氧化失重率、形貌觀察、粒度和比表面積等分析發現,過程中溶液ph值、包覆溫度、覆層前驅物濃度等這幾個因素對石墨表面覆層形成有著重要影響。
  10. In this thesis theoretical solution of inhomogeneous polar orthotropic plate was deduced and plate with clamped edges was taken as example. the displacement in radius direction, inner - force in radius direction, inner - force in annulus direction and buckling load with different core - radius ratio were worked out. the effect of core - radius ratio to the result was discussed in the conclusion

    本文從理論上推導出了極正交各向異性圓板的精確解,並且以夾支圓板作為算例,計算了在不同徑比的情況下,圓板受外部縱向布載荷作用后的徑向位移、徑向內力、環向內力,以及屈曲載荷,討論了徑比對計算結果的影響。
  11. So far, tgs is already a matured technology abroad with various types of tgs setups for determining radioisotopes in the samples with medium - and high - density heterogeneous drummed scraps and wastes

    到目前為止,國外tgs技術已基本成熟,而且已研製生產出各種類型的tgs儀器,成功應用於中、高密度樣品放射性素及其含量的準確測量分析。
  12. As foamer, had been made with buffer ph solution. in which the composition and reaction rale of combination process must be controlled. with scanning electron microscopy ( sem ), it is clear to observe that the shape of tih2 powder is changed from sharp after coated

    試驗分析表明,以ph溶液作為緩沖沉澱液,通過控制反應成份濃度和速度,利用法可以實施al _ 2o _ 3包覆,其中溶液濃度和ph值對包覆效果影響最大,是保證包覆的關鍵。
  13. Based on the above knowledge, the core components s - boxes of the rijndael algorithm and the camellia algorithm, which are the only nonlinear components, are analyzed and compared in detail. eight algebraic properties of s - boxes such as balanceness, strict avalanche criterion, differential uniformance, algebraic order, and so on are calculated and proved. the reason that the s - boxes which are constructed by the inverse operation on finite field has the specialty of 4 - difference is analyzed

    在此之後,本論文分針對rijndael和camellia演算法的心部件,也是唯一的線性部件s盒進行了詳細的分析和比較,計算並證明了s盒的平衡性、嚴格雪崩準則、差分度、代數次數等八種代數性質,特別給出了通過有限域上的取逆運算構造的s盒其差分特性為4的原因,最後計算了兩個演算法s盒的兩種代數結構,表明rijndael和camellia演算法的s盒具有良好的代數性質和復雜的代數結構,為今後兩種演算法在各個領域的應用提供了理論保障。
  14. The thermodynamic conditions of decomposition of the foaming agent tih2, homogeneous and heterogeneous nucleation in high - temperature solid and liquid, growth and movement were achieved to demonstrate the trend of pore evolvement in this paper. moreover, according to the characteristics of in - situ gas foaming, the equations of the height change of foaming samples with heating time were primarily established to study the behavior of foams and to guild the experiment processes

    另外,論文通過大量的熱力學分析,得出了發泡過程中發泡劑分解以及氣孔在固液態時的、氣孔的生長和運動等熱力學條件,揭示了氣孔演化的趨勢;論文還根據內生氣源發泡的特點,初步建立了高溫熔體中氣體發泡高度隨時間變化的方程,為進一步深入的研究發泡機理奠定了一定的基礎。
  15. In this paper, the digital image real - time processing system was a very important part of fed driving circuit system. altera fpga chip was used to complete operation on reading and writing and timing control of fed image data. the image process algorithms mainly used gray - level transformation in the theory of image enhancement, and the algorithm realized luminance non - uniformity control, gray - level non - linear correction and automatic power control for fed

    本文設計的基於fpga技術的數字圖像實時處理系統是fed驅動系統中的重要組成部分,其心部分採用了altera公司的fpga晶元,實現對fed圖像數據讀、寫操作和時序控制等,而圖像處理的演算法部分主要是利用圖像增強技術理論中的灰度變換方法,實現對fed的亮度性控制、灰度線性校正以及fed的自動功率控制。
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