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- Crushing strength,bending strength,bulk density,thermal shock resistance and heat expansion coefficient ofthe samples prepared were tested. 为了比较2种制品,分别对其进行了抗压强度、抗折强度、热膨胀系数、热震稳定性测试及微观形貌观察。
- The heat expansion coefficient of plastic is much higher than metal caused by abrasion heat and the change of environment condition. Plastic gear needs enough gap. 因磨擦热和环境条件的变化,塑料比金属热膨胀系数高许多,塑料轮需要足够的。
- Abstract After bakeout under high temperature,heat expansion coefficient of sand can be decreased,gas released in high temperature is removed,physical chemical property of sand surface is modified. 原砂高温焙烧后可降低硅砂的热膨胀率，排除硅砂高温分解的气体，改变砂粒表面的理化性能。
- heat expansion coefficient 热膨胀系数
- Keywords PC 3D geometry modeling,STL,rapid prototype,accuracy,surface roughness,contact angle,residual ash content,heat expansion coefficient,precision casting process,metal functional exemplar; 微机三维几何造型;STL;快速原型;精度;表面粗糙度;接触角;残余灰分;膨胀系数;精铸成形工艺;金属功能样件;
- The concept of a universal function P(N) supposed by kitaigoro-dskii is used in the forecasting model and the used parametrs are wind, Coriolis parameter, thermal expansion coefficient and heat storage wi-thin the mixed layer. 所使用的参数是风、科氏参数、热膨胀系数和混合层内的热储量,在预报模式中应用了Kitaigorodsii的普遍函数概念。
- For all the calculated physical properties, the results of phonon spectra, state density, specific heat and Debye temperature are better than that of Griinsisen constant and expansion coefficient. 在所预测的基本物性中，声子谱、态密度、比热和德拜温度的计算值与实验结果符合得较好，而格律乃森常数和热膨胀系数的计算值与实验结果符合得稍差。
- Spinel exhibits a lower thermal expansion coefficient than conventional glass faceplate. 给出了封接结构、所用屏、低熔点玻璃和锥的材料特性。
- A very low linear expansion coefficient sample carrier made from invar, ensures that temperature change has no effect on the sample position. 由不胀钢制成非常低膨胀系数的样品载台保证温度变化对样品的位置没有影响。
- The result showed that the thermal expansion coefficient can be adjusted by inducing B_2O_3 (5%-15%). 试验结果表明;系统中引入B_2O_3能够起到调节热膨胀系数的作用;其中6P64-B5-F4的热膨胀系数为10.;1×10~(-6)/℃;与Ti6Al4V的热膨胀系数最为接近;
- The effect of alloying elements on expansion coefficient of greg iron was investigated. 利用正交试验方法,研究了合金元素对灰铸铁膨胀系数的影响;
- In addition, also for exterior of sheet iron house on construction site and steel-concrete bridge where heat expansion must be prevented. 另外,易燃易爆物品库房屋顶,建筑工地铁皮房外表,以及钢筋水泥结构桥梁建筑等防止热膨胀特殊场合也可使用本品。
- The expansion coefficient of alcohols in vitreous container was measured by using alcohol thermometer. 摘要利用酒精温度计法测定玻璃体内酒精的体胀系数。
- Because of drainage, sweep, slight heat expansion, and contraction, etc. there should be some proper interstice among the edges and the ends. 考虑到排水、清扫以及轻微的热膨胀、收缩等原因，塑木型材安装时，边到边、头到头之间必须留有适当的间隙。
- While other materials may have the strength, steel rebar has the ideal expansion coefficient for use in concrete. 虽然其它材料也有强度，但钢筋在混凝土中呈现出理想的膨胀系数。
- A new method is developed for measurement of the thermal expansion coefficient (CTE) of polymeric foams at low ... 实验结果表明:低温位移传感器可准确、稳定地得出泡沫塑料材料的,是一种简单实用的测试方法。
- Measurement of linear expansion coefficient of silicon in high temperature with laser interferometric dilatometer[J]. 引用该论文 王建华;范开果;刘志锋;孙建平;张金涛;王哲.
- The factors included thickniss of stove wall,shape and size of charco al brick,characteristic and property of stuffing and heat expansion and stress o f charcoal brick. 分析了磷炉炭砖的腐蚀原因,认为炉壁厚度、炭砖的外形尺寸的大小及形状、填料的特性和性能变化以及炭砖砌体的性质、磷炉使用时炭砖的热膨胀、机械应力和热应力都是影响炭砖腐蚀程度的重要因素。
- A micromechanical model was proposed to predict the thermal expansion coefficient of composite. 建立了一种细观力学模型用于预报复合材料的有效热膨胀系数。
- In this paper, the effects of different kinds of sintering curve on themal expansion coefficient of synthetic cordierite have been studied. 研究了不同烧成曲线对合成堇青石材料热膨胀系数的影响,提出了一种降低堇青石材料热膨胀系数的新途径。
