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The properties such temperature resistance and adhesive force of the phenolic resin were greatly improved and the cost of production was reduced.

实验结果表明，树脂中加入1％偶联剂和10％煤焦油，在10％乌洛托品作用下可使酚醛树脂的耐温和耐介质性能大大提高。

The effect of annealing on mechanical properties of ADI was studied.

研究了预退火处理对奥贝球铁力学性能的影响。

In this paper we study the effect of Mn on properties of ADI in condition of high Si, and provide the experimental basis for the application of the material.

研究了高硅条件下锰对奥贝球铁性能的影响，为该材料的应用提供了试验基础。

In this paper, we combine experiments with theories. Dynamic compressing experiment has been performed for the matrix material of the tungsten alloy in order to study its dynamic properties. At the same time we have studied the forming process of adiabatic shear band of tungsten alloy and its matrix material.

本论文采用实验测试与理论分析相结合的研究方法，对钨合金基体材料进行动态压缩实验，研究其动态性能，同时研究钨合金以及基体材料的绝热剪切带进行产生、形成过程。

Effect of ratio of dimethylol propionic acid to polybutylene adipate glycol on Tg and basic properties of films was studied.

考察了二羟甲基丙酸/聚己二酸丁二醇酯二醇比例对Tg以及膜基本性能的影响。

In this paper, a series of low cross-linking polyurethanes are synthesized using polycaprolacton or polybutamethylene adipate or polyethylene-propylene adipate, MDI and glycerin. Their mechanical, thermal and dynamical properties and shape memory function are studied.

采用聚己二酸乙丙二醇酯、聚己二酸丁二醇酯、聚己内酯和 4，4'-二苯基甲烷二异氰酸酯为原料，以丙三醇为交联剂合成了一系列低度交联的聚氨酯，讨论了组成、配比等对性能的影响，比较了它们和线型聚氨酯在性能上的差别。

In this paper, the determinant and adjoint for a lattice matrix are studied, and some properties of the determinant and adjoint for lattice matrices are given.

研究了格矩阵的行列式与伴随矩阵，给出了它们的一些代数性质，同时给出了由一个格矩阵构造一个传递矩阵的方法。

Assume a Lie algebra g has a form B which has all the useful properties of Killingform:bilinearity nondegeneracy,symmetry and invariance.Note that for such a Liealgebra the adjoint representation is equivalent to the coadjoint representation.We callit a symmetric self-dual Lie algebra and the form B an invariant scalar product.

在第一部分的最后一节，我们引进了拟Heisenberg代数的概念，证明了这些李代数均为具有非极大秩的CN李代数，进一步我们还证明了这些CN李代数构成的集合与极大秩幂零李代数构成的集合之间存在着1-1对应关系。

In the second chapter, the problem of the optimal inputting rate control for a class of competitive population dynamics system with age-structure is discussed. By means of characteristic line, Gronwall Lemma, Bellman Lemma, adjoint system and so on, the Lipschitz continuity properties of the system in terms of the control variable is certificated, and the necessary condition of the optimal control is obtained.

第二章讨论了一类具有年龄结构的竞争种群系统最优输入率控制问题，综合应用特征线法，Gronwall引理，Bellman引理，共轭系统等知识，证明了系统解关于控制变量的Lipschitz连续性，给出了控制为最优的必要条件。

In this paper,within the complete lattice framework, employed fuzzy logical operations and adjunction, fuzzy morphological operations have been proposed. The properties of these operations are discussed deeply.

本文在完备格的框架下，利用模糊逻辑运算及其伴随，给出模糊数学形态学运算的定义，并深入讨论了这些运算的性质。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。