Causes for corrosion and distorsion of furnace cover on a low-hood electric furnace and the protective measures 矮烟罩电炉炉盖腐蚀变形的原因及防护措施
Analysis of Open Cross Section Thin Walled Bar for Distorsion Effection 开口截面薄壁杆件畸变效应的分析
This paper shows that under certain conditons it is possible to diminish and even eliminate the nonlinear distorsion of a peak envelope detector by biasing the diode adequately. 本文对一般所谓惰性失真和切削失真同时分析讨论而获得统一公式,并且发现对二极管加适当的正偏压可以减小或消除失真。
The effects of the transverse distorsion of suspended structures are considered in this paper, and fundamental differential equation of torsion for suspension bridges is derived. 本文考虑悬吊结构周边变形的影响,推导出了悬索桥扭转的基本微分方程。
Results: X-ray: the enlargement of kindney shadow, distorsion of calyces and renal calculus were observed. 结果:X线:肾影增大、肾结石和肾盂肾盏的形态改变。
In order to eliminate the distorsion of spectral curve induced by multi-reflection among certain minus filters, a number of matching layers were interposed between the filters, and coating parameters were chosen by means of statistical experiments. 为了克服个别负滤光片之间的多次反射形成的光谱曲线崎变,在负滤光片中间插入若干匹配层,并用统计试验方法选取膜层参数。
Attention should be paid to the average curvature radius and that of the mirror face edge zone, when measuring the distorsion. 测试失真率应注意平均曲率半径及镜面边缘部位曲率半径的测试;
This paper gives an account of the troubles in truck frames, such as the looseness in riveted joints, cracks, frame bending and distorsion, and their remedy. 介绍了载货汽车车架铆钉松动、车架裂纹及车架弯曲与扭曲的检修方法。
The way to reducing the distorsion is to pick carefully the lens, improve and maintain the mold accuracy, and control strictly the environment tempera ture for producing mirror face, and the mounting size of lens and mirror bracket. 减少失真率的重要措施是精选镜片玻璃、提高和保持模具的精度、严格控制镜面生产环境的温度及镜片与镜壳的装配尺寸等。
Through a study of the principle of backlash generation by eccentric method and its effect on steering gear ratio, the reasons why the steering ratio curve is unsymmetric, as well as the distorsion law are revealed in this paper. 通过对偏心法生成侧隙原理及其对速比的影响的探讨,揭示了速比曲线不对称的原因及畸变规律。
The melt index ( MI), heat distorsion temperature ( HDT), solvent resistance, thermal stability, mechanical properties and fracture morphologies were presented. 并对其熔融指数(MI)、热变形温度(HDT)、抗溶剂性、热稳定性、力学性能和破坏形态进行了研究。