Determination of Congruent Melting Constituent of Li_2B_4O_7 Crystal Using Thermal Analysis Method

The α phase is a congruent melting compound, its congruent melting point is 1 190 ℃. The β phase is an incongruent melting compound, its incongruent melting point ( peritectic temperature) is 1 100 ℃.

α相是熔点为1190℃的同成分熔融化合物，β相是转熔温度为1100℃的异成分熔融化合物。

The anomalous violet-shift of absorption edge of linbo_3 crystals of the solid-liquid congruent point composition

固液同成分点组分的LiNbO3晶体吸收边的异常紫移

Study of the ultraviolet absorption edge of LiNbO_3 crystal solid-liquid congruent point composition

固液同成分点组分LiNbO3紫外吸收边研究

The congruent point range and line pencils between two projective planes

两射影平面场的合同点列与线束

After congruence of lines changes into vector bundles, its correctness is proved, and theorem of Backlund is proved by using sections of bundles. A condition of iteration is given for seeking minimal area of a curved surface with fixed boundary curve.

将线汇转化成向量丛后从理论上证明了这种转化的正确性，利用向量丛的截面理论证明了Backlund定理并给出一种固定边界而求面积最小的曲面的迭代条件。

The paper presented the definition and properties of n-th completely linear subgroup on modulus of congruence class ring, and calculated the formula of factorial.

文中给出了模m的同余类环上的n阶完全线性子群的定义及性质，利用子群进行分类，通过陪集的计数定理，给出了其阶的计算公式。

Properties of n-th completely linear subgroup on modulus of congruence class ring

模m同余类环生成的n阶完全线性子群的阶的计算

Tensor Product of Normal Bands and Minimum Normal Band Congruence

正规带的张量积与极小正规带同余

In this paper, based on the relation between normal subgroup and congruence, another depiction of normal series power semigroup is given from the angles of congruence by the method of analogy.

首先在正规子群与同余的关系的基础上，采用类比的方法，从同余的角度给出了群的正规列幂半群的另一种刻画。

By means of central kernel, we give the smallest and largest congruence relation about middle idea.

每个中理想都是某个满同态的中心核；

This paper prove that union and intersection of the congruence relation is congruence relation.

证明了同余关系的并集与交集也是同余关系；

The existence of congruence relation between them was proved by constructing the corresponding algebraic system respectively.

为机器M与M'构造相关的代数系统，证明了二者之间存在同余关系。

Type Extension of Universal Algebra with a Congruence Relation

带同余关系的泛代数的型扩张

And a kind of congruence relation and corresponding quotient algebras are studied also.

详细研究了弱BL中经常用到的定理，并研究了一种同余关系极其商代数的代数问题。

The central kernel middle ideal and congruence relation of Fuzzy Lattices

Fuzzy格的中心核中理想与同余关系

Fuzzy Rough Subgroups Based on Fuzzy Congruence Relation in a Groups

群中模糊同余关系下的模糊粗糙群

The speed distribution curves of the drag reducing fluid at the near wall surface will tend to approximate to the laminar speed curves of a Newtonian fluid, but there lacks a total congruence of these two curves.

减阻流体的速度分布曲线在近壁面处与牛顿流体层状速度曲线趋近，但二者并不完全重合；

Based on the quadratic congruence interleaver, a new algorithm which is improved on the linear congruence is advanced, the choices of its parameters are analyzed systematically and The new algorithm has the effects on the low weight codewords distribution.

基于二次算术同余交织器的构造算法，提出了对线性同余交织器的改进，系统地分析了其参数的选择情况及对低码重分布的影响。

Secondly, the performance of time-hopping sequences based on permutation-sequences, quadratic congruence sequences, cubic congruence sequences and hyperbolic congruence sequences are compared.

对置换跳时序列与二次同余跳时序列、三次同余跳时序列、双曲同余跳时序列进行了性能比较。

Scheme of Symmetrical Interleaver Based on Quadratic Congruence and Odd-even Protection

基于二次同余映射的保奇偶对称交织器设计