selection rule 中文意思是什麼

selection rule 解釋
選律
  • selection : n. 1. 選擇;挑選;選拔。2. 拔萃;選擇物;精選物[品];文選。3. 【無線電】分離,(自動電話)撥號。4. 【生物學】選擇,淘汰。
  • rule : n 1 規則,規定;法則,定律;章程,規章;標準;(教會等的)教規,條例,教條;常例,慣例。2 統治,...
  1. In chapter two, the basic principles of rempi technique are introduced including the resonance enhanced effect, the selection rule, the mechanism of photoionization and photodissociation, rempi rate equation and the property of rydberg state

    第二章介紹了rempi技術的基本原理,包括多光子共振躍遷的選擇定則、電子態的光解離機理、描述rempi過程的速率方程和分子rydberg態的性質。
  2. The application of third degree stochastic dominance rule in a security selection

    三階隨機占優準則在證券選擇中的應用
  3. The d - s rule of the information fusion of rockmass mechanical parameters is presented. meanwhile, the basic probability assignments, belief functions, plausibility functions, and similar probability functions are given. this method is applied to an example of analysis and selection for rockmass mechanical parameters of the rock engineering, and the satisfactory results are obtained

    構造了巖體力學參數的識別框架,建立了巖體力學參數的基本可信度分配的應用模型,定義了巖體力學參數的信度函數、似真度函數、以及類概率函數,提出了巖體力學參數的d - s信息融合法則,明確了巖體力學參數d - s信息融合方武漢理工大學博士學位論文法的實施步驟。
  4. An activity rule is creatively brought forward for the selection of measurement locations. the sample is divided into three parts, i. e. active section, inactive section and dead section. according to this rule the corresponding method for selection is proposed

    在試驗技術方面,本文創新地提出了篩選試驗測試點的活度規則,將試件分成活性區、惰性區和盲點區,並以此來指導試驗測試點的位置選擇。
  5. Caused by the strict fifo service rule, hol cell block is the very disadvantage of the input - queued atm switches. to solve the problem, two things should be considered, that is the selection of scheduling strategy " and the decision of switch structure

    輸入排隊atm交換的最大問題是它的隊首( hol )阻塞,它是由於嚴格的fifo服務規則所引起的,在對該問題的解決上主要涉及兩個方面:調度策略的選擇和交換結構的確定。
  6. On selection of cadres under the rule of law

    關于選拔任用領導幹部工作法制化的思考
  7. General rule of piping design materials selection for petrochemical industry

    石油化工管道設計器材選用通則
  8. As an important mechanism for the operation of modern market economy, bankrupt mechanism plays an important role in the areas of capital recomposition, optimization of resource allocation and regulation of industrial structures, etc. also it serves as a necessary way of social reconstruction and structure optimization, and an effective way of soe ' s strategic regulation and social resource recomposition as well, which is in accordance with the objective economic benefit, namely, the rule of the survival of the fittest in natural selection

    破產機製作為現代市場經濟運作的一種重要機制,在實現資產重組、優化資源配置、調整產業結構等方面起著重要作用,是社會結構調整和結構優化必不可少的手段,也是國有企業戰略性調整和社會資源重組的有效途徑,符合「物競天擇、適者生存」的客觀經濟規律。然而近年來,不少企業借破產之名,行逃債、甩債、廢債之實,大肆蠶食鯨吞債權人利益。
  9. The rule by law selection of cpc ' s leading mode and governing mode

    黨的領導方式和執政方式的法治選擇
  10. Arc - grounding fault line selection is the paper ' s key point and innovative point about small current grounding power systems. a lot of simulations are made based on the change rule and the character of fault voltage, fault current. the simulation study declare that the use of the method of wavelet analysis can select the fault line when the arc - grounding fault take place, it will play a important directive role in the research of the protection equipment

    對小電流接地系統電弧故障的選線模擬是本文的重點,也是一個創新點,本文從研究的角度,在深入分析電弧接地時故障電壓、電流的特點和變化情況的基礎上,進行了大量的選線模擬,模擬表明電弧故障時,小波分析方法也能準確地選出故障線路,這對研製高性能的接地保護裝置將起到重要的指導作用。
  11. The governing party ' s selection of rule by law for running the state

    執政黨治國方略的法治選擇上
  12. So the selection rule of no is analogous to that of alkali atom and different from the usual diatom molecule. the conclusion is further affirmed by the two photon fl uorescence excitation spectrum of no

    為此我們利用雙光子熒光激發光譜技術對no分子所表現出的與普通雙原子分子不同的躍遷選擇定則進行了實驗驗證。
  13. Data inputting and graphinputting module respectively achieve data inputting of first system and electric firstwiring diagram inputting ; secondary scheme design module realizes scheme design ofsecondary loops including control, protection, signal, measure, automotive equipment, operation electrical source and electrical source for substation and power distributionstation, using rule - cased reasoning of expert system ; protective relaying settingcalculation module realizes setting calculation for first equipments which aretransformers, circuitries, capacitors, and electromotors ; secondary equipmentselection module realizes type selection of secondary microcomputer integratedequipments ; graph making out module realizes secondary drawings making outautomatically representing design production using case - cased reasoning of expertsystem and the drawings can be edited and modified under the secondary developedautocad environment

    數據輸入和圖形輸入模塊分別完成一次系統資料錄入和電氣主接線圖的輸入;二次方案設計模塊利用專家系統基於規則的推理實現變配電所各二次迴路的方案設計,包括控制、保護、信號、測量、自動裝置、操作電源和所用電源;繼電保護整定計算模塊實現主設備的整定計算,包括變壓器、線路、電容器和電動機;二次設備選型模塊實現二次微機成套裝置的型號選擇;圖形生成模塊利用專家系統基於實例的推理實現代表設計成果的各類二次圖紙的自動生成,生成的圖紙可以在二次開發的autocad環境下進行編輯和修改。
  14. The preliminary results obtained by solving n - s equations show - viscous effects clearly. in addition, based on euler equations the effects of point distribution, cloud structure and weight selection on computational results have been analyzed, which results in having a convenient technique of point distribution in the computational domain and a rule of point selection forming an appropriate. clouds of points used in the computation

    此外,論文結合無粘euler方程的求解,對無網格演算法涉及的計算域內點的分佈、當地點雲結構及空間導數逼近的加權因子等問題對計算結果的影響進行了分析和比較,完善了方便的區域離散布點方法,明確了點雲生成選點準則。
  15. According to the raman selection rule and the pl measurement, it is reasonable to evaluate the quality of galnp / algalnp mqw by analyzing the relative intensity ratio of a1p - lo / to. ( 4 ) a new modified random element isodisplacement ( mrei ) model is set up to calculate the dependence between the long - wavelength optical phonon frequencies and the composition of iii - v - type ab1 - xcx mixed crystals. the second neighbor force constants are still assumed to be a linear variation with the composition, but the two first neighbor force constants can be evaluated to be a negative exponent variation with the composition, using the overlapped repulsive potential of the ion crystal combination

    通過實驗我們找到了在這些結構參數上生產gainp algainpmqw的較理想的結果; ( 3 )首次用喇曼( raman )散射方法研究了常溫下的gainp algainp多量子阱結構,除了指認出喇曼光譜中各光學聲子模外,還結合樣品光致發光譜的測量結果,分析發現喇曼光譜中alp - lo to的相對強度比可以在一定程度上評定晶體gainp algainpmqw的生長質量; ( 4 )在修正的隨機元素等位移? mrei模型的基礎上建立了一個新模型,計算了ab _ ( 1 - x ) c _ x型?族半導體混晶的長波長光學聲子模頻率的組分變化關系。
  16. The selection rule of the hysteresis width has been developed in order to make the thd and rms value of the output voltage to be the best with high efficiency, according to the principle of pulse density modulation

    根據脈沖密度調制技術的原理導出了使輸出電壓失真度最小、有效值最大,系統效率也較高的環寬取值公式。
  17. The experimental results show that the transition from no ground state to the resonant intermediate state follows special selection rule. the main reason for the special selection rule of no is that the most excited states ( including the a2 +, f2, h 2, c2, d2, e2 ) are ryderberg type and the ground state configuration of no is sufficiently appreciated by that of an alkali atom

    我們所研究的上述no分子的激發態都屬于里德堡態,其性質與堿金屬原子類似,而no分子的基電子態最外層價電子運動與堿金屬原子d軌道電子運動類似,它遵循堿金屬原子的雙光子與4光子吸收躍遷選擇定則。
  18. According to the dipole transition selection rule, it allows the system to transit from the ground state to the first and second sub - band respectively, the shape of the photoionization cross - section varying with the photon energy in the two cases is quite different

    根據偶極躍遷的選擇定則,將使得體系從基態分別躍遷到電子的第一子帶和第二子帶,二者的光電離截面隨光子能量的變化截然不同。
  19. Pragmatic selection rule system of chinese direct address in social communication

    漢語社會面稱語的語用選擇機制
  20. Management guide for tooling design selection rule of tooling design

    工藝裝備設計管理導則.工藝裝備設計先擇規則
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