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- We solve the Dirac function with magnetic field and deduce the thermodynamic potential of the magnetic system. 为此,我们导出了磁场中Dirac方程的解并列出了磁场中系统在零温下巨热力学势的解析解。
- Peakon solutions have discontinuous first derivative on the peaks and can be described by Dirac function. Peakon解在波峰处一阶导数不连续;但可用D irac广义函数表示.
- Basing on fundamental equations of three dimensional elasticity,and introducting dirac function,a state equation is established. 基于三维弹性力学的基本方程 ,引入Dirac函数 ,导出了周边固支叠层板的状态方程。
- There is only one dound state in the new potentials,which become the dirac function when the parameter tends to infinite. 新势场中的粒子仅有一个束缚态,当族参数趋于无穷大时,新的可解势变为狄拉克阱势。
- Knowing the exact solution of Dirac function, we calculate the neutrino emissivity of quark Urca reaction and simulate the cooling history of the strange star. 知道了Dirac方程的精确解后,我们计算了奇异星内部直接Urca过程的中微子产能率并拟合了星体的冷却曲线。
- In this paper, we study the solution of differential equation with Dirac function and Heaviside function, arising from discontinuous and impulsive excitation. 本文讨论由于脉冲和间断激励所引起的含有Dirac函数和Heavisde函数微分方程的求解问题。
- New equation is derived from an object function by means of initial values af-ter the differential equation of deflection in the simply supported beam with step func-tion,and dirac function is laplace transformed and inverse transformed. 本文对含有阶梯函数、Dirac函数的简支梁挠曲线的四阶微分方程进行Laplace变换，然后再进行逆变换，求出原函数，最后利用边界条件推导并建立连续梁的新三弯矩方程。
- Baed on the theory Of linear system,the imaging resolution both for ideal and practical cases is discussed It turns out that for ideal case the point spread function(PSF)of imaging system is Dirac function. 然后从线性系统的角度出发，研究了理想情况和实际情况下转台模式近场微波成像的分辨特性，理想情况下成像系统的点扩散函数（PSF）就是狄拉克－函数。 PSF的数值模拟结果表明：实际情况下，扫描频带越宽分辨率越高。
- In this paper, we altered the speed function of vector C-V model and make model detect the edge of ROI faraway from origin curve by eliminating the suppression of Dirac function to none-zero level set. 本文改进了Chan-Vese向量分割模型的速度函数,消除了Dirac函数对非零水平集的抑制,使模型检测出远离初始轮廓线的图像边缘。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- A tissue is a group of similar cells which have an identical general function. 组织是一组具有相同的一般机能的类似细胞。
- What is his function on the committee? 他在委员会里担任什么职务?
- Dirac was unwilling to discard his equations. 狄刺克不愿意抛弃他的方程。
- The sofa can also function as a bed. 这沙发也可以当床。
- Some English adverbs function as adjectives. 英语中有些副词可作形容词用。
- The heart performs a vital bodily function. 心脏起著维持生命的重要作用。
- A maximum or minimum value of a function. 极大值，极小值函数的最大值或最小值
- A style that weds form and function. 把形式与作用紧密结合的风格
- Having meaning, function, or purpose. 有意思的，有意图的，有目的的
- A new expression of the Dirac equation was found. 作者找到了一个狄拉克方程的新表象 .
