2) Dissolving entropy change
溶解熵变
3) the average entropy of solution per atom
平均原子溶解熵
1.
Based on the concept that Taylor and Fidler adopted to calculate the average entropy of solution per atom(ΔSf) of solid solution and compound,the model for calculating ΔSf of NaF and BaTiO3 in the NaF-BaTiO3 eutectic is established.
依照Taylor和Fidler分别计算固溶体和化合物平均原子溶解熵的基本思想,建立了计算NaF,BaTiO3共晶两相平均原子溶解熵ΔSf的模型,并计算出NaF,BaTiO3的ΔSf分别为44。
4) entropy solution
熵解
1.
The definitions of the entropy solution and the weak solution were proposed,then by virtue of the regularized problem,the existence of the entropy solution was shown by using the compensatory compact theorem.
研究一类双重退化抛物型方程的Cauchy问题,给出了弱解-熵解的定义,并借助于正则化问题利用补偿紧致定理证明了问题熵解的存在性,利用双变量方法得到这种弱解的稳定性。
2.
In this paper, the authors studied the relation between entropy solutions and renormalized solution of nonlinear elliptic equations and nonlinear parabolic equations with L 1 data.
研究了具L1类 (自由项 )的非线性椭圆和抛物方程熵解和重正规化解的关系 ,首先对椭圆型情况 ,熵解和重正规化解是等价的 ,对抛物型情况 ,证明了任一重正规化解一定是熵
3.
We shall mainly study the existence and uniqueness of entropy solution to the associated Riemann Problem.
在“分布矩阵”满足合理的假设前提下,证明了具有分片常值初始条件的黎曼问题的黎曼解算子的存在唯一性;并进一步运用“波前追踪法”(Wave Front Tracking Method)和“广义特征”(Generalized Characteristics)等得到了具有任意有界全变差初值条件的广义黎曼问题的弱熵解的存在性。
5) entropy solutions
熵解
1.
This paper discusses the existence of entropy solutions for a class of nonlinear parabolic problems with lower order terms in Caratheodory form and with L~1 data.
讨论了一类带有L1资料并带有Caratheodory形式低阶项的非线性抛物方程熵解的存在性。
2.
We define the renormlized entropy solutions of quasilinear anisotropic degenerate parabolic equations with explicit (t,x)-dependence:where a(u, t, x) = (a_(ij)(u, t,x)) = σ(u, t, x)σ(u, t, x)~T is nonnegtive definit.
针对带时间空间扩散参数的拟线性各向异性退化抛物方程: a_tu+div f(u,t,x)=div(a(u,t,x)▽u)+F(u,t,x) u(0,x)=u_0(x)∈L~1(R~d)其中a(u,t,x)=(a_(ij)(u,t,x))=σ(u,t,x)σ(u,t,x)~T是非负有限的,我们定义了其熵解和重整化熵解,并且证明了柯西问题 a_tu=div(a(u)▽u),u(0,x)=u_0(x)∈L~1(R~d)的重整化熵解的存在性和唯一性。
3.
This dissertation is devoted to the local existence and uniqueness of the solution for a class of degenerate quasi-linear parabolic equations, and an existence result of entropy solutions to a class of nonlinear parabolic problems.
本文研究两类非线性抛物方程(组):一类退化拟线性抛物方程(组)解的存在唯一性;一类非线性抛物方程熵解的存在性。
6) entropy of solution
溶液熵
补充资料：标准熵
分子式：
CAS号：
性质：根据热力学第三定律的普朗克表述(即0K时，纯物质的完整晶体的熵等于零)规定的物质的熵的绝对值，有时也称为规定熵(conventional entropy)。物理化学手册中给出的是纯物质在标准状态和298.15K的摩尔规定熵，也称为标准熵，符号Sm,298.15,单位J/(K·mol)。在确定熵值时需要用量热方法测量热容Cp与温度的关系以及各种相变热，因此规定熵也称量热熵(calorimetric entropy)。
CAS号：
性质：根据热力学第三定律的普朗克表述(即0K时，纯物质的完整晶体的熵等于零)规定的物质的熵的绝对值，有时也称为规定熵(conventional entropy)。物理化学手册中给出的是纯物质在标准状态和298.15K的摩尔规定熵，也称为标准熵，符号Sm,298.15,单位J/(K·mol)。在确定熵值时需要用量热方法测量热容Cp与温度的关系以及各种相变热，因此规定熵也称量热熵(calorimetric entropy)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条