最大強度束 的英文怎麼說
中文拼音 [zuìdàqiángdùshù]
最大強度束
英文
full beam-
The stress state in the stainless steel pipe - titanium alloy pipe - nitinb shape memory alloy connector system is analyzed by using the theory of solid mechanics and the recovery rules of nitinb shape memory alloy with constrains on the basis of analysis of the structure of the connector system and the all steps in the preparation and the service. a mathematical model for the strength was proposed. the temperature dependence of connecting force and the maximal stress intensity in the pipe connector in the process of preparation and service was studied by programming and computing. the computing results show that the difference of heat expansile coefficient between the coupling material and the pipe material leads to the strength of connector system at room temperature less than the strength at high temperature
通過分析管接頭結構以及制備、使用的各個步驟，運用固體力學的基本理論，結合nitinb形狀記憶合金在約束下的回復規律，對不銹鋼- -鈦合金管- -四川大學碩士論文nitinb形狀記憶合金管接頭系統內的應力狀態進行了理論分析，建立了強度的數學模型，通過編程計算，研究了不銹鋼一鈦合金管一nitinb形狀記憶合金管接頭系統裝配及使用過程中的抱緊力以及最大應力強度隨溫度變化的規律。The results show : ( 1 ) that the dynamical properties in the system depend on the degree of entanglement of the initial two identical two - level entangled atoms and the intensity of the coherent optical field, and the atomic dipole moment can be completely squeezed via choosing optimal degree of entanglement of the initial atoms in the feeblish optical field ; ( 2 ) that the quantum properties of the system also depend on the degree of entanglement of the initial two identical two - level entangled atoms and the intensity of the coherent optical field, and the radiation field can be effectively squeezed via choosing optimal degree of entanglement of the initial atoms in the fee blish optical field
（ 2 ）相干態光場的強度和兩原子的初始糾纏度對光場的量子特性也有很大的影響。光場的二階相干性質（聚束與反聚束）和光場的壓縮效應均與光場強度和兩原子糾纏度相關聯。在弱光場中，選擇合適的兩原子初始糾纏度，光場壓縮深度和時間可達到最大。The angular extent in a specified plane which contains all the radius vectors of the polar curve of luminous intensity having lengths greater than a specified fraction of the maximum
在某一平面上，一定角寬范圍內所包含的光強極軸曲線上的矢徑長度均大於其最大值的某一特定比例，這種情況定義為光束的發散。The laser power is detected through the pd ’ s movement across the faculous region. when the value of the peak value of laser power is got, the power of the facular boundary points can be found according to definition of the facular boundary such as “ 1 / e ~ 2 ” theory. then the equation of the facular boundary can be made fitting by using the least square method, and calculate the beam divergence at last
採用兩個光電探測器分別檢測光束不同高度上的兩個光斑，在確定光斑中心最大光強值后，根據光斑截面尺寸的1 / e2定義，得到光斑截面邊界點的光強值，並以其為標準判定光斑截面的邊界點，對探測到的邊界點通過最小二乘法進行擬合，得到橢圓光斑截面的方程，根據空間幾何關系求出發散角。After analysing the ethical problems following the gene engineering to the human beings, the writer gives some measures to solve these problems. through government ' s policies to guide the direction of development of gene engineering ; constructing the sciencist ' s ethic, moral concepts ; giving the public play to supervise the making of gene engineering, these measures will make gene engineering benefit for the human beings to the most extent, and harm the human being to the least extent
在重點探討了基因工程可能會給人類帶來種種社會問題后，作者最後還提出了相應的解決辦法，即通過加強政府方針政策的引導支持、法律法規的約束控制、強化科技倫理道德建設、發揮公眾輿論監督作用，使基因工程最大限度的造福於人類，而將危害降到最低限度。Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control
著重研究了在限制有機物排放總量時，使其運行費用最低的最優周期控制問題.通過增加新的狀態變量和用補償函數法，將本課題的有約束條件問題化為無約束條件問題，並提出了最優步長參數的動態搜索法來修改傳統的梯度法，從而較完善地解決了多變量最優周期控制的計算問題.研究中還發現了不同初始條件下最優控制所需要的運行費用也大不相同，進而提出了最優初始狀態下最優周期控制的新概念，這對保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出：對于尚不具備實現最優控制條件的處理系統，可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制In the angle of economics, this paper firstly analyzes the present flow situation and main problems in existence of our military science and technology human resource, and then analyzes flow and equilibrium of supply and demand from three aspects of the quantity 、 structural and behavior ; systematically describes individual decision and unit decision of military science and technology human resource on the angle of cost and profit, reaches the conclusion that in the flowing process, we should strengthen individual ’ s autonomous right properly, establish “ the leading type of armed forces ” human resource disposition mechanism ; in succession this paper has not only put forward the basic standard of the reasonable flow of the military science and technology human resource ? the effectiveness of combat, but also explained it carefully from flow quantity, flow direction and structure, established optimum floating rate ; finally, having based on the conclusion, the paper puts forward four mechanisms ? fetching in person and brains, inner flow, encouragement restraint and reserving brains in outflow mechanisms that promote our military science and technology human resource to flow reasonably
本文立足經濟學的角度，在分析軍事科技人力資源流動現狀與存在問題的基礎上，從數量、結構、行為三方面分析了軍事科技人力資源流動中的供求均衡;從成本收益角度系統描述了軍事科技人力資源的個人決策和單位決策，得出了在我軍科技人力資源的流動過程中應該適當加強個人的流動自主權，建立「軍隊導向型」人力資源配置機制的結論;接著本文不僅提出了軍事科技人力資源合理流動的根本標準?戰鬥力效用，而且從流量、流向和結構上進行了細化，確立了最優的流動率;最後，本文提出了促進我軍科技人力資源合理流動的四大機制:引人引智機制、內部流動機制、激勵約束機制和淘汰退出機制。The damage and the decrement of light transmittance of ion exchange strengthened cover glass arc much lower than that of as - received one after ion beam bombardment, which demonstrates that ion exchanged solar cell cover glass has better resistance to ion beam bombardment
結果表明，經離子交換增強后的蓋片玻璃，彎曲強度最大可以提高約4倍；且在受到離子束轟擊時的損傷以及透光率下降的程度都小於原片玻璃，說明化學鋼化玻璃具有較好的耐離子束轟擊的能力。The studies expressed that the tensile - strength declined with the growth of dose rate after the radiation treatment, and at the same time, the gel content had extreme value with the change of the dose rate. the surface of uhmwpe fibers showed some irregular micro - pits and dents after radiation treatment, narnely rough degree increasing. their number and deepness increased with increase of dose. and this phenomenon is the most obvious when the dose rate was 8. 5kgy / s and the dose was 400kgy. at the same time some containing oxygen groups, including hydroxyl group, carbonyl group and carboxyl group, were introduced into the fiber surface which was exposed to the air
研究表明， uhmwpe纖維經電子束輻照處理后，纖維的拉伸斷裂強度隨劑量率的增加呈下降趨勢，凝膠含量隨著劑量率的變化存在極值。纖維表面出現了不規則的微裂紋和凹痕，隨著劑量的增大，電子束對纖維表面的刻蝕程度增加，在本研究中以劑量為400kgy劑量率為8 . 5kgy s時刻蝕效應最為明顯。同時，在空氣中進行輻照時，纖維表面被引入了一些含氧基團，包括羥基、羰基和羧基。A bearing surface transmits the interaction between an arch dam and its foundation, the strength of which directly affects the constraint of the bedrock to the dam, and thus affects the stress and deformation of the dam. the influence is studied in this paper with nonlinear finite element method, as an example, for a high arch dam in design. the results show that the influence on stress is only limited within the local area near the bearing surface, larger on the maximum principal tensile stress than on the principal compression stress, and the decrease of the strength does not cause unlimited increase of the maximum stress. the influence on the displacement of the top of the dam is smaller than that of the bottom of the dam, especially the relative downstream displacement. at the lower strength of the bearing surface, the relative downstream displacement at the bottom of the dam increases with the decrease of the strength
建基面是傳遞拱壩和基巖相互作用的紐帶，它的強度直接影響基巖對壩體的約束，從而影響壩體的應力和變形.採用非線性有限單元法，以設計中的某高拱壩為例，分析建基面強度對壩體應力和變形的影響.結果表明建基面強度對壩體應力的影響僅限於建基面附近的局部范圍，對最大主拉應力的影響要大於對最大主壓應力的影響，建基面強度的降低不會無限地增大壩體的應力數值；建基面強度對壩頂位移的影響較小，但對壩底位移（尤其是順河向相對位移）的影響較大，當建基面強度較低時，壩底順河向相對位移隨建基面強度的降低而增大In the section 1, we have introduced the background and the recent advance of the flattened gaussian beam ; in the section 2, for the first time, we have calculated the type - i and type - ii shg conversion efficiency and simulated curves versus the crystal length, the pumping light polarization rate, the order of the flattened gaussian beam and the pumped power intensity, we obtain ed that the highest efficiency was influenced by the order and the polarization rate of the pumped flattened gaussian beam
從三波耦合方程及clbo晶體的光學特性出發，討論了以平頂高斯光束入射時穩態的三波耦合方程的大信號倍頻解（包括類及類相位匹配的倍頻解） 。計算了其在clbo晶體上的倍頻轉換效率與晶體長度，基波偏振分量比，基波階數及泵浦波強度之間的相互影響關系曲線。得出影響平頂高斯光束的最高轉換效率的因素是基波的階數n和泵浦波的偏振分量比d 。Have to out : 1 temperature constructional reinforcing not can place in heat area to mass concrete design. temperature constructional reinforcing of bottom of mass concrete need content that owing to temperature change produce bottom control stress smaller than anti - pull strength at the same. get minimum rate of reinforcing to content construct request
得出： 1在大體積混凝土結構的溫度構造鋼筋配置中，構造鋼筋不宜放置於高溫區；大體積混凝土的底部溫度構造鋼筋應滿足溫度變化產生的底部約束拉應力小於混凝土同齡期的抗拉強度的要求，從而求出抗拉要求的最小配筋率。The objective innovation suggests the financial management objective system that includes the total objective - economic value added rate and the subsidiary objective such as the optimum of cash stream the optimum of capital profit rate the optimum of allocation value added rate ; the conception innovation of financial management builds the financial management conception system that revolve around the maximum of economic value added rate objective, which includes objective judgment conception. legal conception and moral conception system ; the method innovation of financial management offers five developed technologies of financial management that includes network finance, financial reproduction tactics financial resource planning financial project and financial strategy ; the institution innovation of financial management designs the institution structure of financial management with the enterprise financial management content and financial subjective behavior from the decision of innovation principle, as well as mentions the concrete content of financial institution innova tion ; the content innovation of financial management highlights adjusting the point of financing management and investment management transforming the objective of inventory management reforming the model of profit allocating improving the level of risk management promoting the financial analysis and appraisal system
財務管理目標創新探討了以經濟增加值率最大化為總目標，輔之以現金流量最優化、資金利潤率最優化、分配增值率最優化分目標的目標體系；財務管理觀念創新構建了以經濟增加值率最大化目標為核心觀念、包括客觀判斷觀念、法律觀念和道德觀念的財務管理觀念體系：財務管理方法創新提出網路財務、財務再生策略、財務資源規劃、財務工程、財務戰略五種先進的財務管理方法技術：財務管理制度創新從確定創新原則入手，分別按企業財務管理內容和財務行為主體進行財務管理制度的框架設計，並從財務融資機制創新、激勵與約束制度創新、財務信息披露制度創新四個方面說明了財務管理制度創新的具體內容；財務管理內容創新強調調整籌資管理與投資管理的重點、轉移存貨管理目標、變革利潤分配模式、提高風險管理水平、改進財務分析和財務評價體系。The optimized experimental conditions are determined and the densities of some elements in the mental alloy standard samples are measured. the experimental results shows that the spectral intensity of the plasma enhances significantly with the increase of the operating voltage and the power density. ( 1 ) to the steel ally sample, the emission intensities of the spectra reach to the maximum values when the laser operating voltage is 1600v and the argon pressure is 600 torr. under the same pressure, the spectral intensity of the plasma in the argon atmosphere is stronger than that in the air. when the argon pressure is 320 to rr, the signal - noise ration is about 5 times than that which the argon pressure is 700 torr, but the temperature of plasma is less about 1000k
（ 1 ）對于光譜標鋼準樣品，當激光器工作電壓為1600v 、氬氣壓力為600乇時，譜線強度達到最大，並且在相同壓強下，氬氣中的等離子體與空氣中的等離子體相比，其輻射強度明顯增強；氬氣壓力為320乇時的譜線信背比約為600乇條件下的5倍，而等離子體溫度卻下降了近1000k ，即等離子體溫度隨環境氣壓的增大而增大；當激光束的焦斑在樣品表面上下移動時，激光誘導量、等離子體的激發溫度、譜線強度都呈不對稱性分佈，其最大值對應的焦斑位置都位於樣品表面之下0 . 4mm左右。Then, taking the maximal tension stress in surface and base and the stress intensity factor at the top of the induced crack as restraining indexes, method to determine the reasonable induced spacing has been determined
然後以預切縫上端應力強度因子、面層與基層內的最大拉應力為約束指標建立了合理預切縫間距的確定方法。This model took maximizing development intensity as the objective, and potential traffic demand less than road network capacity as the constraint condition, and identified the optimized land use structure
該模型以最大開發強度為目標，以交通總生成量不超過路網交通容量為約束條件，確定土地使用優化結構。In addition, considering traffic security, operational efficiency and people ' s travel habits, the setting of signal phases must satisfy strong constraints, such as maximum and minimum green time, maximum queue length and smooth switch of signal timing parameters
並且，從交通安全、通行效率及人們出行習慣的角度考慮，信號燈相位的設置具有很強的約束，如最短和最長綠燈持續時間、最大排隊長度以及信號燈的配時參數要具有一定的穩定性不能變化太劇烈等等。The adaptive receiving array can not only control itself to gain the signal and divide it from the noise when the directions of signal and noise are different, but also confirm the direction of the signal with the existence of noise
採用不同類型的自適應演算法，自適應接收陣不僅可以自動操縱自己獲得信號，而且還可能在干擾存在的情況下確定信號的方向等，使波束的零缺陷對準干擾方向，最大限度地加強有用信號，從而大大提高了信號干擾比。It is shown that the target export rebate system should be established through five facets : the reform of the value - added tax ( vat ) system, the setting of the rebate rate, the unification of the administrative measure of the export rebate, the optimization of the rebate fiscal burden and the strengthen of the administration of the export rebate, which can ultimately acquire the least rebate cost and the maximum rebate benefit. to be detail, first, the existing vat system should be reformed, the vat system should be transformed from the production model to consumption model and the administration of levying tax should be strengthened, which can establish a good basis for the optimization of the export rebate system ; second, after considering the national and international practical situation comprehensively, the suitable rebate rate which is combined " neutral and different " should be chosen, and a set of elastic system of rebate rate which has both relative stability and timing flexibility should be establish ed ; third, with the further deepening of the reform of foreign trade system and the gradual improvement of the ability of the administration of the export rebate, the existing two kinds of administrative measures should be gradually transited to the single measure - " exemption, credit and rebate " ; forth, the existing sharing measure of vat should be innovated, the new rebate burden system - " first rebate then share " should be built ; fifth, a set of stimulation and restriction system of export enterprises and tax authorities should be built to strengthen the administration of export rebate effectively
研究表明，我國目標出口退稅機制需要從五個方面進行構建：即增值稅制度改革、退稅率設置、退稅管理辦法統一、退稅財政分擔優化和退稅管理的強化，最終方可達到總體退稅成本最低和退稅收益的最大化。更具體地說，一是改革現行增值稅制度，將我國增值稅制度由生產型逐步轉為消費型，並強化征稅管理，為退稅機制的優化奠定基礎；二是在綜合考慮國內國際實際情況的前提條件下，選擇適宜我國的「中性與非中性」相結合的退稅率，並建立一套具有相對穩定性和適時靈活性的彈性退稅率機制；三是伴隨著外貿體制改革的進一步深化和退稅管理能力的逐步提高，將現行兩種出口退稅管理辦法逐步過渡到以「免、抵、退」為主的單一管理辦法；四是改革現行增值稅共享辦法，建立「先退稅后共享」的新型退稅負擔機制；五是建立一套針對出口企業和稅務機關的激勵約束機制，有效強化出口退稅的管理。And the best scheme among them has been proposed. in the last, with design opt of ansys, assigning roof plate ' s and base plate ' s thickness as design variables, making them meet the constraints of displacement of roof plate and base plate, and assigning the maximum stress of the structure as the goal function, the pile - boots structure has been optimized
最後利用ansys自帶的優化求解器designopt ，以對樁靴結構強度和變形影響較大的頂板和底板厚度為設計變量，在滿足重要部件?頂板和底板豎向位移的約束條件下，把結構的最大等效應力設為目標函數，採用一階優化方法，對樁靴結構進行了優化設計，並得到了最優解。分享友人