雜質輻射 的英文怎麼說
中文拼音 [zázhífúshè]
雜質輻射
英文
impurity radiation- 雜 : Ⅰ形容詞(多種多樣的; 混雜的) miscellaneous; varied; sundry; mixed Ⅱ動詞(混合在一起; 攙雜) mix; blend; mingle
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 輻 : 名詞(車輪中車轂和輪圈的連接物) spoke
- 射 : 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) ...
- 雜質 : [固體物理] impurity; foreign substance; impurity substance; inclusion; foreign matter
- 輻射 : radiation; exposure; radio; beaming
-
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
這些譜線來自於等電子雜質n形成的束縛激子態(孤立n中心和nn _ i對)輻射復合產生的零聲子線及其聲子伴線。Mutation of maize natural hybrid and germ plasm material selection by ray irradiation
射線輻照天然雜種玉米的誘變作用及其在選育種質材料中的應用( 2 ) with the increasing of settlement ' s size and strengthening of people ' s heterogeneity, polar - area ' s space and function will be more complicated and corresponding merger. with the higher merger degree of the function and space, the polar - area needs more significant expression to guarantee enough public character and keeps the settlement ' s integrality and stability
2隨著聚落規模的增大和人口異質性的增強,聚落的極域在空間上和功能上就會更加復雜,並且需要進行相應的整合。功能及空間整合程度的增高,要求其物質要素具有更高的標志性,以保證有足夠的公共性和輻射力,使之確實可以實行保持聚落自身完整性和穩定性的功能。Using finite element and boundary element method, a modal analysis model of complex structural acoustic radiation in light fluid is proposed for computing modal acoustic radiation frequency, farfield sound pressure, modal radiated acoustic power and acoustic radiation efficiency
摘要採用有限元和邊界元方法建立了輕流體介質中復雜結構振動聲輻射的模態分析模型,可計算結構的聲輻射模態頻率、模態場點聲壓、模態輻射聲功率和聲輻射效率等聲場特性參數。Standard practices for dissolving glass containing radioactive and mixed waste for chemical and radiochemical analysis
化學和放射化學分析用含輻射和混合雜質的溶解玻璃的標準規程Study of breeding new good wheat germplasms with irradiation and hybridization
利用輻射與雜交相結合創造小麥優異新種質的研究Compared with low - let radiation, heavy ion radiation has a different structure of ionizing track through a matter. its complex ionizing tracks lead to multiple ionization events within nanometer regions of the target, resulting in complex damage
與低let輻射相比,重離子通過物質時有著完全不同結構的電離徑跡,徑跡結構較為復雜,所引起的損傷機制極為復雜。Therefore, znte crystal has been the most common material for pulsed thz wave sensing and imaging applications. kai liu et al have studied < 110 > - oriented zn1 - xcdxte crystals with various composition ratios and different doping levels to find optimal materials " parameters for high performance thz radiation emitters. they explained their experimental results from the points of view of crystal quality and crystal dc resistivity
為了進一步認識znte晶體產生thz輻射的效率與材料特性的關系,劉凱等人研究了不同組分、不同摻雜的zn _ ( 1 - x ) cd _ xte ( 110 )單晶( x = 0 0 . 4 )產生thz輻射的效率,並從晶體的質量和晶體的直流電阻率出發解釋了他們的實驗結果。The main works and results are as follows : 1. by use of one order multiple scattering theory, light scattering and reflection by a single coating layer is analyzed. the variance of radiation intensity, bidirectional reflection distribution function ( brdf ) and laser radar scattering cross section with coating layer parameters is given, with the effect of rough contrast on bidirectional reflection distribution function
本文主要研究了單層和多層塗層結構介質的光散射特性,以及近場條件下復雜目標對激光波束的散射,其主要工作如下: 1 、採用一階多重散射近似理論分析單層塗層對光波的散射和反射,計算並討論了輻射強度、雙向反射分佈函數和單位面積激光雷達散射截面隨塗層結構參數的變化規律,數值分析了粗糙基底對雙向反射分佈函數的影響。In the thesis, i choose the horizontal and symbiotic industrial cluster basing on the natural resources as the objects to study, and make full use of knowledges from many subjects, including : economy, management, complex science, math, computing simulation, etc. through the idea of " down to up ", i make every individuality ( company ) inside the industrial clusters as a cell ; and choose techological support, labor supply, natural resourses reserve, maket overlay, intermediary service, public foundation, govenment policies as the outside influencing features ; and choose total assets, total production value, output ratio of capital as the indexes of system characters. then, i establish a computing simulation model on the optimal scale of industrial clusters basing on cellular automata model by matlab software, and simulate the shifts of characters of sigle cell according to the changing environments
本文主要以基於自然資源稟賦的水平共生型產業集群為研究對象,綜合應用現代經濟學、管理學、復雜性科學、數學和計算機模擬方法等多學科的知識,吸納「自下而上」的思想,選取技術支撐、勞動力供給、自然資源、市場輻射、中介服務、公共基礎、政府政策七個變量作為集群成長的外部影響因素以及總資產、總產值和資金產出率作為集群的系統特徵指標,以產業集群(系統)內部的個體企業為單位元胞,參照自適應、自組織的自然演化機制模擬單位元胞自身特質受到周邊環境的變化而改變,採用元胞自動機模型和matlab軟體,建立一個基於元胞自動機模型的產業集群規模演化的計算機模擬模型。With these backgrounds, the object being investigated in this article is composite metallic and dielectric structure which is composed by piecewise homogeneous, linear and isotropic medium, the problem being investigated is the complex scattering and radiation problem, the intention being investigated is modeling and fast computing the electromagnetic characteristic of electric large complex structures with uniform method, the final objective is developing general fast electromagnetic computing software to solve the realize electromagnetic computing problems in engineering
本文就是圍繞這一背景展開的,研究對象是由分塊連續、線性、各向同性媒質組成的「金屬與介質混合結構」 ,研究問題是復雜的散射和輻射問題,研究目標是以統一的方法對電大尺寸復雜結構作電磁建模與快速計算,最終目的是開發通用的電磁計算程序,來解決一些工程中的復雜電磁計算問題。分享友人