The propagation characteristics of vibrational energy flow in circular cylindrical shell with finite region of material discontinuity are investigated by wave motion approach.
运用结构振动的波动方法对有限长的材料不连续区域在圆柱壳中的能量流传播特性进行了研究。
Property characteristics of titanium and production technology of the mobile shell are introduced, and its process difficulties are pointed out, too.
介绍了钛金属的性能特点和手机壳体的制造工艺，同时也指出了其工艺难点。
This paper introduces the craft characteristics of casting the shell of the gearbox, including the manufacturing of the resin moulding, the application of the hard sand core and so on.
针对变速箱壳体毛坯铸造的工艺特点，介绍了其树脂模具的制造、树脂自硬砂砂芯应用等关键环节的技巧和做法。
The characteristics of vibration in a submerged double shell connected by annular plate drived by a point force in inner shell is studied.
对水下由环形肋板连接的有限长双层柱壳在点激励下的稳态振动特性进行了研究。
Meanwhile, with theoretical analysis and project analogy, the authors evaluate the characteristics of projects taking grit and pebble as dam shell enrockment.
并通过理论分析和工程类比，对砂卵石作坝壳堆石料时的工程特性作出了评价。
The structure and performance characteristics of shell heat exchanger with corrugated plate are introduced.
介绍了波面板壳式换热器的结构和性能特点。
The experimental investigation on vibration characteristics of thin cylindrical shell with axial symmetry has been performed.
本文对轴对称薄壁壳结构的振动特性进行了试验研究。
This article has analysed the characteristics of the shell transaction behavior and the problem that may exist in the process of transact ions, and proposed the corresponding measures.
本文分析了我国“壳”交易行为的特征以及交易过程中可能存在的问题，提出了相应的规范交易行为的对策。
Dynamic response and energy absorbing characteristics of shallow spherical shell structures when impacting a rigid plate are studied here.
对薄壁扁球壳结构撞击刚性板的动态响应和吸能特性进行了研究。
The drawing technology characteristics of the diffuser shell was analyzed, the paper determined the drawing die structure, and simply stated the design merit of diffuser shell drawing die.
分析了扩散器壳拉伸成形工艺特点，确定了拉伸成形模结构，并简述了该扩散器壳成形模结构设计优点。
The burnable characteristics of straw haulm, eucalypt waste, peanut shell, straw, soybean pole and cotton pole were analyzed with TGA-92 heat heavy-difference heat integrated analyser in this paper.
采用TGA- 92型热重—差热综合分析仪，对秸秆、桉树木废料、花生壳、稻草、大豆杆及棉杆进行燃烧特性分析。
The emphases of the structure characteristics of the motor shell and formation for heater unit are analyzed.
介绍了暖风机电机机壳的结构特点及成形的重点，分析了成形工艺及模具设计要点。
Addressing deformation characteristics of the shell during rotary piercing operation, wall thickness unevenness is calculated by means of the FE simulation method.
通过有限元模拟针对斜轧穿孔过程中毛管的变形特点，对其壁厚不均进行了计算。
The structure characteristics and technology parameters of the driving bridge shell in the light truck are introduced.
介绍了轻型汽车驱动桥桥壳结构特点、工艺性能。
A new exact solution is developed which enables to determine the free vibration characteristics of toroidal thin shell with homogeneous boundary conditions.
提出一种计算具有齐次边界条件的旋转薄壳的特征值和特征函数的精确解法。
The emphases of the structure characteristics of the motor shell and formation for heater unit are analyzed. The key point of forming process and mould design is further described.
介绍了暖风机电机机壳的结构特点及成形的重点，分析了成形工艺及模具设计要点。
The application and main characteristics of the plate shell heat exchangers were introduced in this article.
介绍板壳式换热器的主要特点和应用。
Based on the acoustic wave equation and structural motion equation, the vibration characteristics from the fluid loaded stiffened cylindrical double shell are studied by using finite element method.
基于流体的波动方程和结构的动力方程，利用有限元方法研究了考虑流固耦合时的双层加肋圆柱壳体的振动特性。
The forming characteristics of the plastic water_tap shell body were analyzed. The design of the mould for the shell body was stated.
分析了塑料水龙头外壳的成型特点，设计了壳体模具，介绍了模具的圆弧抽芯机构。
This paper analyzes the surrounding rock characteristics of single shell lining only from the mechanical mechanism aspects using the discrete element software of UDEC.
本文仅从力学方面用离散元软件udec分析了洞室围岩的单层衬砌支护特性。
By using the generalized characteristics method, the compatibility equations on the characteristics are obtained. And the wave propagation of the finite length cylindrical shell is analyzed.
应用广义特征线理论得到了沿特征线上的相容方程，并采用数值积分方法分析了有限长圆柱壳的波传问题。
Based on the structural characteristics and site conditions, low level spread assembly and pulling bar group relay lifting method is adopted to install the shell.
施工中针对网壳结构特点及现场施工条件，采用低空外扩拼装、拔杆群接力提升的方法完成了安装。
The technological characteristics of the plastic parts with thin shell were analyzed. the design of the injection mold structure was introduced. and the working process of the mold was stated.
分析了薄壳类塑料产品的工艺特点，介绍了该类产品注射模的结构设计，并说明了该模具的工作过程。
Using 3 fistulated goats and nylon bag technique, the characteristics of degradation of DM and CP in peanut shell, wheat straw and beef cattle ration were evaluated.
使用3只瘤胃瘘管山羊，以尼龙袋法对花生壳、麦秸和肉牛日粮的干物质和粗蛋白质的降解情况进行了测定。
The wave propagation and power flow characteristics of a shell-type pipe with circumferential surface crack are investigated and the method for crack detection is proposed.
研究在外力激励下含有环向表面裂纹损伤的壳式管道的波传播与功率流特性，并给出裂纹识别方法。
The characteristics of complex shell parts and the difficulties of machining were analyzed. The machining technology to ensure precision was presented.
分析复杂壳体零件结构特点，加工难点，阐述了保证零件精度的数控加工技术。
The characteristics of complex shell parts and the difficulties of machining were analyzed. The machining technology to ensure precision was presented.
分析复杂壳体零件结构特点，加工难点，阐述了保证零件精度的数控加工技术。
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