packing

Mathematical Modelling for the Packing Stage in Injection Molding;

塑料注射成型保压过程数学描述

Control and Countermeasures for the Packing and Cooling Phase in Injection Moulding;

注射成型保压冷却过程的控制及对策

Pressure losses in the packing stage of pulsatiled injection molding;

脉动注射保压过程中的压力损失

Reasonable and necessary assumptions and simplifications are introduced after thorough and detailed analysis of the packing stage, the material properties are described accurately as well.

基于粘性流体力学的基本理论 ,通过对保压过程进行深入、细致的分析 ,提出了合理的假设并进行了必要的简化 ,建立了可压缩、非牛顿粘性流体在模具型腔中非等温流动的数学模型 ,选用了恰当的材料性质模型 ,确定了合理的初始条件和边界条件 ,并采用有限元 有限差分耦合解法求解数学模型实现对保压过程的模拟。

This paper aims at the problem of keeping pressure expiration in hydraulic control non-return valve in engineering and introduces their operation principle in detail.

阐述了液控单向阀保压原理,对液控单向阀保压失效原因进行了分析,并提出三种可行的解决方案。

Construction technique of the second-stage concrete of spiral case under the conditions of heat and pressure preservation;

保温保压浇筑蜗壳二期混凝土的施工技术

Lower to note the pressure of mold, reduce to model and protect to press time.

降低注塑压力，减少成型和保压时间。

Pressure Setting of Press-keeping Clamping Circuit Based on Accumulator

基于蓄能器保压夹紧回路的压力设定

Discharging Mode Selection of Hydraulic One Way Valve Controlled Pressure-holding Circuit

液控单向阀保压回路的释压方式选择

Optimization of injection molding packing pressure curve based on ActiveX and MPI

基于ActiveX和MPI优化注射成型保压压力

Response of Cavity Pressure During Pulsatile Pressure Induced Packing

脉动压力诱导保压过程中的模腔压力响应

overvoltage protection varistor

过电压保护压敏电阻器

maintained at a certain atmospheric pressure.

保持特定的空气压力。

VoltsHertz regulators and protection.

电压／频率调节器及保护。

completely self protecting transformer

完全自保护式变压器

isolette negative pressure apparatus

早产婴儿负压保育设备

protective pressure signaling unit

保护性压力信号装置

Surge protectors. Type of surge protector can be specified.

冲击电压保护器。可指定冲击电压保护器的类型。

Study on Main Protection and Application for UHV Transformer

特高压变压器主保护及工程应用研究

Design of Oil Pressure Supervisory and Protection System for Power Transformer

电力变压器油压监测与保护系统设计

Discussion on setting calculation of 220 kV step-down transformer protection

220kV降压变压器保护整定计算的探讨

Improvement of Overvoltage Protection of 110kV Transformer Neutral Point

110kV变压器中性点过电压保护的完善

Study on Differential Protection of UHV Transformer

特高压变压器差动保护研究(英文)

Preliminary Discussion on Low-voltage Side Single-phase Earthing Protection of Medium-voltage Distribution Transformer

中压配电变压器低压侧单相接地保护浅析