Punching Line for Truck Side-Member and Side Panel of Carriage;
卡车纵梁及车厢边框冲孔线
By comparing noise in three running carriages it is found that noise is non-homogeneously distributed in space and is dominated by components of 25 Hz~160 Hz.
列车运行时,整个车厢和单个包间内噪声测试结果表明:车厢内噪声随空间分布不均匀,噪声主要能量集中在25Hz~160Hz低频范围;阻尼材料能显著地降低车内噪声,改性沥青和水性涂料比丁基橡胶降噪效果更好;随着车速的增加,车内噪声的降噪总值增加,阻尼材料的低频降噪能力减小。
Nowadays,large safety coefficients have been adopted for strength and rigidity of the mililary communication vehicle,and the ratio of carriage weight to communication equipment loading is about 1.
目前装备的通信车厢体强度和刚性均采用较大安全系数设计,其重量与装载设备总重量的比值一般在1。
The image processing is applied to determine the loacation of truck compartment in the procedure of coal sampling.
在汽车运煤的入厂抽检取样过程中,采用基于图像处理的方法实现对车厢的定位。
According to some characteristics of cultural geography,I raise a pair of conceptions: temple—compartment and reread his texts by them.
本文采用意象分析的结构方式,依据施蜇存作品中文化地理空间的不同,对其作品进行重新分类,提出了"寺院——车厢"一对概念,并以此为标准对其作品进行重新解读。
With the help of ANSYS software, to conduct finite element analysis of the compartment and rear loader structure of rear-loading compression garbage truck, improve rectangle section compartment, present sub arc section structure configuration.
利用ANSYS软件对后装式压缩垃圾车的车厢及填料器结构进行有限元分析,在此基础上对原矩形截面车厢进行改进,给出分段弧线截面车厢结构构型。
Sealing Efficency of Van Body and Its Cnonical Structure;
车厢的密封性及其典型结构
Gas Flow Organism in the Body of Refrigerated Van;
冷藏汽车厢体内的气流组织
This paper introduced the samdwich of the big board structure van and put forward the design principle of the body samdwich.
介绍了大板式结构厢式车辆的夹层结构 ,提出了车厢夹层结构的设计原则 ,并运用四边简支的矩形夹层平板模型推导出车厢夹层板应力计算公式 ,为优化夹层结构设计提供了理论依
Experiment process of melting-casting and homogenizing treatment of wrought 5383 aluminum alloy for carriage plate is introduced,and melting and casting process and phase composition are determined in the article.
介绍了车厢板用变形铝合金5383熔铸及均匀化工艺的确定试验过程,确定了该合金的熔铸工艺和相组成。
Objective: To analysis the effect of disinfecting classroom and train carriages with perglutaric acid and determine the frequency and available dose of this disinfectant in disinfecting public rooms.
目的:通过使用低浓度的过氧戊二酸对教室和火车车厢的空气消毒和效果评价,探讨过氧戊二酸对公共场所空气消毒适用性及消毒作用持续时间。