材料

They think in getting their materials, and also in arranging them, and in plastering them together with mud.

河狸在寻找建筑材料，在把搜集到的材料考虑怎样安放以及用泥土把这些材料粘合到一起时都在动脑子思考。

They think in getting their materials, and also in arranglng them, and in plastering them together with mud.

它们在弄材料时思考，在进行材料整理安排以及用泥巴把材料粘到一块儿等活动时都在思考。

Study on the activity of PAL、POD and SOD in the corn after inoculated pathogen showed that there were big differences between resistance and susceptible materials. The changs were more stabilization in resistance materials than in susceptible materials. There is a wave crest of activities in resistance materials, but no activity wave crest in the susceptible.

通过对抗、感品种接种病原菌后，其苯丙氨酸解氨酶、过氧化物酶和超氧化物歧化酶活性变化的研究表明，抗、感材料之间的变化大不相同，抗病材料中的各种酶活性变化都比较稳定，并且有活性波峰；而感病材料中各种酶活性变化都比较大，并且没有活性波峰。

The lecture contains 12 chapters for 2 semesters and includes information of materials basic features and properties such as Crystallography, Motion state of electrons in solids, Crystal structure, Semi-crystals and non-crystals, Phase diagram, Point defects and line defects, Plane defects and volume defects, Diffusion, as well as the basic principles of materials processing such as Solidification, Deformation and recrystallization, Solid transformation.

授课内容分十二章；涉及材料最基本的性质和特征（晶体学基础，固体材料中电子运动状态，晶体结构，非晶态与半晶态，相图、晶体中的点缺陷与线缺陷、面缺陷与体缺陷、扩散）以及材料成形过程涉及的基本原理（凝固、形变与再结晶、固态相变等）。

It is shown by the friction material behavior tests that the friction material behavior is influenced not only by its mechanical properties, such as hardness, modulus of elasticity, yielding stress and Poisson's ratio etc., but also by its chemical constitutions.

通过对摩擦材料的研究说明：摩擦材料的性能不仅受材料的力学特性，如硬度、弹性模量、屈服应力、泊松比等因素的影响，而且还受其化学组成的影响。

Taking into account the effect of material nonlinear constitutive relation and the variation of Poisson's ratio under loading, the finite element models for axially loaded combined section columns were proposed.

由于管材和核心材料在受力过程中的相互作用，即管材对核心材料的约束作用，使核心材料的强度得以提高，塑性和韧性性能大为改善。

Professor Kuang has been working in nanostructured materials and dye-sensitized solar cells. He has published a series of good papers in nanomaterials, mesoporous materials and dye-sensitized solar cells. Professor Kuang has been worked with Professor Graetzel, who is the inventor of dye-sensitizedsolar cell, for more than three years as a postdoctorate.

匡老师一直从事功能性纳米材料及染料敏化太阳电池的研究，在纳米材料、中孔材料、染料敏化太阳电池方面发表了一系列高水平的文章，曾在染料敏化太阳电池创始人Graetzle教授研究有过3年多的博士后研究经历。

The influence of the structure and material parameters on static and dynamic characteristics is studied. The three dimensional static analysis is obtained by the power series expansion method for a piezoelectric composite laminates. Three dimensional distribution of bonding stress, displacement and electric potential are presented. The distributions of electric potential across thickness of two kinds piezoelectric materials are discussed.

对于静态问题，采用三维精确解方法，给出了压电层与基体之间剪应力、位移、电势的三维分布图；讨论了工程中常用的两类压电材料在感知和作动情况下沿压电材料厚度方向电势的分布情况，分析了电势可看作线性分布的条件；讨论了压电层和粘结层的厚度及材料特性变化对压电感知和作动效果的影响，并对压电层的厚度作了优化分析。

At present,new material industry of Ningxia is facing an un- precedented opportunity for development.Therefore,on the basis of systematical investigation on the development sta- tus of new material industries,the paper respectively analyzes the advantages,weaknesses,opportunities and threats that new material industries face.Using different combinations...

在充分调查宁夏新材料产业发展现状的基础上，分别对宁夏新材料产业发展面临的优势、劣势、机遇与挑战进行了分析，利用S-W-O-T的不同组合有针对性地提出了发展的措施，最后，分别从企业层面和政府层面提出了宁夏新材料产业发展的企业运作策略与政府行为选择。

Failure test and displacement evaluation were used to study the biomechanics of reconstruction of ACL by hamstring tendon knot implant fixation in 13, simple tendon knots, and hamstring tendon knot with bone bolt press fit technique in 5 porcine knees.

本研究采用绳肌腱结嵌压固定法和髌腱骨界面螺钉固定法重建交叉韧带，从生物力学的角度来探讨不同材料与固定方法对固定强度的影响。1 材料与方法1.1 实验材料深低温冷冻保存的猪膝关节 35个模拟交叉韧带重建，常温下解冻，取其胫骨、股骨和髌腱骨复合材料和绳肌腱。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！