除了负的热膨胀效应，研究人员也发现了温度改变引起的材料多孔性的明显改变，因而这种多孔性就变得高度可控。
Besides negative thermal expansion, the researchers also found that changes in temperature lead to a significant variation in the porosity of the material, which is therefore highly controllable.
合成材料具有更好的承载能力，更低的热膨胀系数，更好的耐磨性和更好的抗疲劳性能。
The composite material has resulted in greater load carrying capacity, a reduced thermal expansion, greater wear resistance and fatigue endurance.
塑封集成电路因其是非气密性封装，封装材料热膨胀系数的不同以及被粘接材料表面能低，是造成塑封电路离层或开裂的内部原因。
First of all, the internal reason for the delamination or cracking is the different CTE of the packaging materials and the low surface energy of the adhesions.
膨润土和累托石渗透系数小，隔水性和膨胀性好，可以作为吸附材料和隔水材料。
The bentonite and rectorite clay have the letter permeate coefficient and the better expansibility and can be used as adsorption and impermeable materials.
分析了激光云纹干涉法测量高温材料热膨胀系数的原理和可行性。
The theory and feasibility is analyzed, for measuring Linear Expansion Coefficient of high temperature material by moiré interferometry.
通过钢渣粉的膨胀性来辅助分析半刚性基层材料中掺入钢渣粉后干燥收缩有所减缓的原因。
By means of the expansibility of the steel slag, the paper analyzed the reason that the dry shrinkage of the semi-rigidity base material had been weakened after steel slag powder joined.
指出膨胀石墨以其优良的导电性能及所呈现出的纳米特性必将在功能性包装材料中得到更广泛的应用。
It was put forward that EG with high conductivity and nano-characters should have a bright future in composite packaging materials fields.
一种新的坐衬零件材料要求高耐磨性、高耐热性和高强度，热膨胀系数接近铸铁。
New material for sitz lining part requires high abrasion resistance and high strength at elevated temperature. It is difficulty for a single material to meet all the requirement.
过共晶铝硅合金比重小、热膨胀系数低、耐磨性和体积稳定性好，是理想的活塞材料。
Hypereutectic Al-Si alloy which has small proportion, low coefficient of thermal expansion, good wear resistance and dimensional stability is an ideal piston material.
过共晶铝硅合金比重小、热膨胀系数低、耐磨性和体积稳定性好，是理想的活塞材料。
Hypereutectic Al-Si alloy which has small proportion, low coefficient of thermal expansion, good wear resistance and dimensional stability is an ideal piston material.
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