Tight lattice

The Weak Density of the Rank One Subalgebra in Completely Distributive Subspace Lattice Algebras and a Characterization of Nest Algebras;

完全分配格代数中秩一子代数的弱稠密性和套代数的一个特征

It is proved further that the set of complete formula truth degree in is dense one in 4-value logic system associated with a nonlinear ordering true value set;providing a basis for further establishing approximate reasoning theory of 4-valued propositional logic.

利用势为4的均匀概率空间的无穷乘积在四值逻辑系统中引入公式的真度概念,给出了真度推理规则,证明了真值集为非线性序集四值逻辑系统L24中全体公式的真度值之集在[0,1]上是稠密的,为进一步建立四值非线性序集逻辑系统的近似推理理论奠定了基础。

It is proved further that the set of complete formula truth degree in is dense one; and a general expression for formula truth degree is given also, providing a basis for further establishing approximate reasoning theory of 3-valued propositional logic.

利用势为3的均匀概率空间的无穷乘积在三值标准序列逻辑系统中引入了公式的真度概念,给出了真度推理规则,证明了全体公式的真度值之集在[0,1]上是稠密的,并给出了公式真度的表达通式,为进一步建立三值命题逻辑的近似推理理论奠定了基础。

The space C0∞(Ω) is dense in Hs(Ω) if and only if s≤1/2.

本文用简明的泛函分析方法证明在区域Ω上的非整数次Ｓｏｂｏｌｅｖ空间Ｈｓ（Ω）的稠密性定理，即当且仅当ｓ≤１／２，空间Ｃ０∞（Ω）在Ｈｓ（Ω）中稠密。

Microparticle production technique is presently a major development of dense gas antisolvent precipitation applications, mainly in the pharmaceutical, food, cosmetic and specialty chemical industries.

稠密气体抗溶剂沉淀在微粒制备中得到广泛应用 ,主要用于药物、食品、化妆品和一系列精细化学品中 。

Based on Schuster's transport theory,the case of dense distribution of scatterers is considered here for plane parallel medium.

本文对半光和无光纤维材料的光散射问题进行了讨论，对于平行光束入射到光散射颗粒稠密分布的平面平行介质上的情形，利用Ｓｃｈｕｓｔｅｒ传输方程及其漫射近似方法对其光散射问题进行了分析，从而建立了散射光强度和粒子的尺度、密度及其光散射性质之间的关系。