色散公式 的英文怎麼說
中文拼音 [shǎisǎngōngshì]
色散公式
英文
dispersion formula-
The double - base teaching is one of traditional features in the mathematics " education in our country, which focuses on how to cultivate the students " inquiry ability in the daily teaching. first of all, from the beginning of the double - base teaching, we pay attention to the original knowledge during the teaching of concepts, definitions, theorems and formulas. in the case of exercising lessons, we conclude, summarize and train the student ' s emanative ideations
重視雙基教學是我國中學數學教學的傳統特色，在日常教學中培養學生的探究能力，應首先從雙基教學開始：在概念、定義、定理、公式的教學中注重知識的起源；在例習題教學中，注重歸納、小結及訓練學生的發散思維能力；在復習課的教學中注重各知識的相互聯系；其次，由於數學開放題具有良好的探究功能，因此，在日常教學中適當創設數學開放題，也是培養學生探究能力的一個重要途徑。Their flowers and fruits were removed in this experiment to enhance them to take branch roots on the stems, and then the branch roots were used as materials. five mitosis metaphase cells, with their chromosomes well scattered, were counted. chromosome number of hup is 2x = 24, and its karyotype formula is 2n = 2x = 24 = 8m + 12sm + 4st, being to " 3b " of stebbins
本實驗採取去其花、果實，促其莖節上長側根的辦法，以其側根為實驗材料，統計了5個分散較好的有絲分裂中期細胞，其染色體數目為2x = 24 ，核型公式為2n = 2x = 24 = 8m + 12sm + 4st ，核型類型為3b型。The dispersion characteristics and interaction impedance of the groove guide sws are analyzed theoretically in detail. by use of matlab, numerical programs are compiled to get dispersion curves and impedance diagrams. the influence of geometrical dimensions on the dispersion characteristics and interaction impedance are discussed
三、對曲折槽波導慢波結構的色散特性和耦合阻抗進行了詳細的研究，色散方程的獲得是依照曲折波導慢波系統的分析方法，但耦合阻抗的計算公式是嚴格按照場論的方法得到的。The main work includes : 1. because the constructing machine groups possess the characters of dispersing equipments, fixing roles and flowing work, so we establish a systematic structure which is a layered - distributed tree structure
根據路面施工機群存在的設備分散、角色固定、多機種流水作業的特點，確立了面向公路施工的多智能體機群的分層- -分散式樹狀體系結構。Using the variational method, analytical conditions for stationary pulse propagation in dense period fibers with strong dispersion management are deduced. the expression of initial soliton peak power is given. by employing the obtained formulas, the soliton evolution semi - analytically in various dispersion maps can be investigated. effects of the third order dispersion are also studied in this paper. the results show that imperfect dispersion slope compensation can cause pulse central position shift and even serious degradation of soliton shape
利用變分方法，推導出了在強色散管理的密集周期光纖中脈沖穩態傳輸的解析條件，並給出了初始脈沖峰值功率的表達式.運用這些公式，對各種色散管理系統中孤子的演化進行了半解析的考察.三階色散也被考慮在內.結果表明:不完善的色散斜率補償將導致脈沖中心位置的偏移甚至嚴重的孤子形狀劣化The condition, under which the paraxial approximation is valid, is given. 4. starting from the rayleigh diffraction integral, the propagation equation of ultrashort pulsed beams in dispersive media has been derived without making the paraxial approximation and slowly varying envelope approximation ( svea ), which allows for relatively large angles
從瑞利衍射積分公式出發，未作慢變振幅近似和近軸近似的條件下，導出了等衍射長度超短脈沖高斯光束在色散介質中非近軸傳輸方程，可用來處理色散介質較大角度的傳輸。In specific, the formulation of the rcwa for 2 - d and 3 - d metallic gratings and the formulation of the fdtd method for dispersive media are presented. a novel hybrid diffraction method, which is based on the kirchhoff - huygens diffraction formula and the rcwa, is proposed to simulate the working of a planar integrated diffraction grating
針對在光通信以及光盤存儲領域的具體應用，著重對二維及三維金屬光柵衍射問題的嚴格耦合波分析以及色散媒質散射問題的時域有限差分方法進行了公式推導。The complete analytical form and analysis on angular dispersion formula of two - dimensional grating
二維平面光柵角色散公式的完整解析形式及分析In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given
從光路、光學元件的自行設計到理論分析計算，初步建立了一臺實驗系統；採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量，並模擬了相關參數對展寬比的影響，對實驗具有指導意義；評價了再生放大器和多通放大器的優缺點，對放大過程中通常忽略的放大自發輻射現象（ ase ）進行了分析，並提出了相應的解決方法；針對放大過程中出現的增益窄化和增益飽和現象，對輸入種子脈沖提出了一種新的分段頻率調制函數，實現了對增益窄化效應和增益飽和效應的共同抑制；提出了系統的材料（包括放大介質和光路中的普通介質）正是融合高階色散的來源。Abstract : using the ray - tracing method, we demonstrate that a grating - telescope stretcher is the conjugation of a grating pair compressor. we present an analytical formula for calculating the phase dispersions of the grating - telescope stretcher. the computer simulation with the formula demonstrates that there exists an optimal material dispersion for an amplification system, with which we can achieve the largest dispersion - free bandwidth
文摘:用光線追跡法論證了光柵-球面鏡系統與普通的光柵對系統是一對相位共軛元件，並提出了光柵-球面鏡系統色散的解析計算公式，以及對一個典型的放大系統做了模擬.模擬結果表明，對於一個放大系統，存在一個最佳的材料色散，用它可以獲得最大的無色散帶寬Meanwhile, we have to pay attention to the fact that the smes " trust concepts should be strengthened more, the function of the guarantee institutions should be standardized further, the scientific and unite credit evaluating standard for the smes should be set up, the risks and benefits between guarantee institutions and cooperative banks should be more appropriate and fair, in some places local governments still interfere with specific guarantee affairs, and the state trust & re - guarantee institutions for the smes have n ' t been founded to scare and control risk. . . according to all above problems, the article, focuses on the nucleus in the t & g system for smes ? he t & g institutions for smes, describes its basic system " s set - up model, ways to control risk and so on in detail. it discusses what roles other participants should play in the system construction including governments, financial institutions, the society and the smes themselves, in order to offer some valuable references on developing the social service system for smes, resolving the smes " difficulties in finance
但是，我們又不得不看到，中小企業信用觀念仍需進一步加強；各地擔保機構的運作尚待進一步規范化；科學統一的企業資信評級制度亟待建立；擔保機構和協作銀行之間的風險和利益劃分應更加公平合理；個別地方仍存在著政府行政干預具體擔保業務的問題；用以分散和控制風險的國家中小企業信用再擔保機構尚未成立… …本文針對以上問題，以中小企業信用擔保體系的核心? ?中小企業信用擔保機構為重點，著重論述了其基本制度的建立模式以及風險控制的途徑等，同時就其它參與方，包括政府部門、金融機構、社會中介以及中小企業自身在體系建設中的角色扮演問題進行了探討，以期能夠在完善中小企業社會服務體系，解決我國中小企業融資難等問題上提供一些有益的參考。After january, 2003, “ the law of government procurement ” came into force, both concentrative purchase and dispersive purchase are use by government, which starts an new trend of government purchase progress, using concentrative purchase to do more large quantity purchase, dispersive purchase is used less and less, it only used to do little quantity purchase. the list of government purchase has become longer and longer, the variety of materials and the quantity of materials has increased so sharply. our country ’ s government purchase has made a great progress, but but we still need to take notice of the other side of the fact, there are two important issues, the first is the obstacle of the reforming process in the field of public finance system ; and the second is the kinds of problems occurred in the process of government procurement
政府采購制度改革是我國公共財政改革的重要組成部分，引入我國從試點到推廣實施僅有十年的時間，卻取得了巨大的進展， 《政府采購法》在2003年1月開始實施后，我國採用集中采購與分散采購相結合的政府采購方式，開始了我國政府采購的集中化趨勢進程，從早期分散采購演變為大批量的集中的采購方式，當然，小批量分散采購也結合其中，列入政府集中采購目錄的物資種類與采購數量大大增加，取得了巨大的進展，卻也存在著不少的問題，具體表現為政府采購過程中出現的各種操作性問題和政府采購制度推進的障礙，以及政府采購的環境效益問題，操作性問題和政府采購制度推進的障礙問題本質上可歸納為兩方面，即內在因素，這是事前性的，偏重於制度性、體制性等根本問題;外在因素，這是管理操作層面的因素，政府采購的環境效益問題是由政府是否采購綠色產品，推動綠色產品在社會的使用而引出的，於是，對政府采購集中化趨勢中所暴露出的問題進行分析，找出問題的根源以探尋解決的思路及對策就顯得尤為急迫。At the same time, pass to the jiangjing electric power company procures design of integrating the project, certain a kind of match the heavy celebrates the place the special features, easy to for square power company a management for accepting mode in every locality, complete the group company make use of the market means, becoming current than scatter about, ca n ' t the local charged barbed wire net of the industry scale integrate high - quality property, be used as heavy celebrate municipal electric power system reform of a part, realize fast expansion in property in company in group, betterly the strategy purpose that serve society
同時，通過對江津電力公司收購之後整合方案的設計，確定一種符合重慶地方特色，易於為各地方電力公司所接受的管理模式，以便重慶水利電力產業集團公司利用市場手段，把目前較為分散、無法形成產業規模的地方電網整合成優質資產，作為重慶市電力體制改革的一部分，實現集團公司資產快速擴張、更好地服務社會的戰略目的。Base on the model of grating - pair compressor, the formula of angular dispersion caused by alignment errors was derived
摘要根據失調拼接光柵對壓縮系統模型，推導了拼接誤差引起的角色散公式。分享友人