parabolic type 中文意思是什麼
parabolic type
解釋
拋物型-
Oblique derivative problems for second order quasilinear equations of mixed type with parabolic degeneracy
二階擬線性退化混合型方程的斜微商問題 -
Series of type - spectrums for parabolic antennas used in microwave relay communication systems
微波接力通信系統拋物面天線型譜系列 -
Seawater intrusion is modelled as a nonlinear system of coupled two parabolic partial differential euqaitons, of which one is the pressure flow equation and the other one is the concentration equation of convection - dispersion type
摘要海水入浸問題的數學模型是兩個耦合拋物型偏微分方程，其中一個是關于壓力的流動方程，另一個是關于濃度的對流擴散方程。 -
At the beginning of fourth chapter, the article transforms the solving problem of partial differential equation for the american put price into a standard initial and boundary value problem of parabolic type by making some transformations. afterwards, the solving problem of parabolic type is transformed into a initial value problem of ordinary differential equation with respect to through fourier transform again. at the last section of the fourth chapter, the article solves the initial value problem with the progressive euler method and the finite element method
在第四章，對美式看跌期權價格所滿足的偏微分方程定解問題通過作一系列變換，使之轉化為一個標準的拋物型初、邊值問題，接著又通過傅里葉變換，把拋物型初、邊值問題轉換為一個關于時間變量的常微分方程初值問題，然後再分別利用改進的歐拉法和有限元法對其進行了求解。 -
Research on calculating exchange factors of the parabolic reflector of the g - type radiant cooler by the monte carlo method
型輻冷器拋物面屏耦合因子的研究 -
In this paper, we consider mixed finit element methods for the initial - boundary value problems of two order hyperbolic equations and linear integro - differential equations of parabolic type, obtain the error estimates of the discrete schemes for this two kinds of problems. in chapter one, we consider the expanded mixed finite element methods for the followling 2nd order hyperbolic problems this method expands the standard mixed formulation in the sense that three variable are explixitly treated : the scalar unknwon, its gradient and its flux
本文討論了二階雙曲方程和線性拋物型積分微分方程方程初邊值問題的混合有限元方法，得到了這兩類問題混合有限元離散格式的誤差估計。第一章討論二階雙曲初邊值問題的擴展混合元方法。該方法能同時逼近未知函數、未知函數的梯度和流體的流量，較好的模擬了帶有混合型邊界條件的二階雙曲問題。 -
Superconvergence of finite element approximations to integro - differential equations of parabolic type
微分方程有限元近似的超收斂性質 -
The functional relation of flowing coefficient with flowing pressure was described as a parabolic function, and a new type of inflow performance relationship which contained 3 undetermined coefficients was setup
摘要假設油井流動系數為二次拋物線函數，建立了包含3個待定系數的新型通用油井流入動態方程。 -
The deployable space structure is a new type of space architecture bome with space science and technology development in recent years. but in our country the technique in this field is somewhat weak. the deployable parabolic antenna designed and made in our lab can make a progress in this field
可展開天線結構是國際上空間航天結構中研究的一個重點和熱點，但國內在這方面的研究比較薄弱，作者本人和課題組其他成員經過幾年的研究，在這方面做出了一定的貢獻，使得國內在可展開天線這方面的技術有了很大進展。 -
A new stable difference scheme for solving equation of bi - parabolic type
解雙拋物型方程的新的恆穩差分格式 -
Finally the convection - dominated integro - differential equations of parabolic type are considered, the optimal error estimates for the unknown c and the adjoint flux p gained in the previous parts are still hold
最後將此方法推廣用於求解對流占優的積分微分方程問題，誤差分析表明離散格式對c ， p也具有最優的逼近精度。 -
In this thesis, we study ultraconvergence of finite element approximation in one dimensional case ( include two - point boundary value problem, one dimensional parabolic equation and parabolic type integro - differential equation )
本文研究一維問題（包括兩點邊值問題，一維拋物問題及拋物型積分-微分方程）有限元逼近的強超收斂性。 -
To purse a high performance of an algorithm, we propose a new numerical scheme, called the characteristics - mixed finite element method, for approximating the solution to a convection - dominated diffusion equations of parabolic type
為克服傳統格式的上述缺陷，我們提出了求解對流占優問題的一種新型數值方法-特徵混合有限元方法。 -
Experimental research on a compound parabolic concentrator heat pipe type solar collector
型熱管式太陽能集熱器的實驗研究 -
To illustrate the superiority of this type of transition, the author adapted the local normal mode ( lnm ) based on couple - mode theory to explain the coupling between two lowest order modes along the transition. for the two important parameters, propagation constants difference between the two modes apy and mode coupling coefficient cy, which denoting power coupling between lnms, the approximation expressions using structure parameters were worked out. then the author compared three typical different transitions according to the demanding of power coupling, at last concluded that the parabolic - type transition can transport the light in shortest length with lowest loss
對于表徵局部標準模之間功率耦合的兩個重要的參數_ （ ij ） （模式傳播常數差）和c _ （ ij ） （模式耦合系數） ，推導了用器件結構參數表達的近似公式，然後根據功率耦合的需求，在常見的三種不同輪廓的過渡區之間進行了比較，得出了拋物形輪廓過渡區能夠使光束在最短尺寸內以最低損耗通過波導的結論。 -
Oscillation of solutions of parabolic differential equations of neutral type
中立型拋物方程解的振動性 -
Forced oscillation of a kind of impulsive parabolic differential equations of neutral type
一類脈沖中立型拋物方程解的強迫振動性 -
The oscillation criteria for a class of systems of nonlinear parabolic differential equations of neutral type
一類非線性中立型拋物方程組解的振動判據 -
In this thesis, the parabolic stability equations ( pse ) in the different coordinate systems are driven from navier - stokes ( n - s ) equations. the stability problems of the boundary layers for three - dimensional body, and the spatial evolution process of the c - type instability are studied
本文從navier - stokes （ n - s ）方程出發，導出了不同坐標系下的拋物化穩定性方程（ pse ） ，研究了三維物體的邊界層穩定性問題，以及三維擾動的c型失穩的空間演化過程。
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