In this paper, a new model based on a track on the solid ballast for analyzing the longitudinal temperature stress distribution of welded continuous track is presented.

Study on the Distribution of Longitudinal Temperature Stress along Welded Continuous Rail on the Solid Ballast

整体道床无缝轨道纵向温度力分布规律研究

In order to ensure ship safety, we must know the ship ′ s ballast tank pressure loss.

为了确保更换压载水时船舶的安全，设计船舶时必须对船舶压载舱压力损失进行计算。

Liquefied Natural Gas Tanker's Ballast Tank Painting Technology

液化天然气船压载舱涂装工艺

Research on computing method of shell strength of submarine ballast tank with longitudinal solid floor

潜艇纵骨式全实肋板耐压液舱壳板强度计算方法研究

Computation of the Ballast Tank Hydraulic Loss Based on Resistance Network

用电阻网络方法计算船舶压载舱的压力损失

This paper discusses the founding of mathematical model of centrifugal probability ballast cleaner, and combining with the model, introduces the mixed discrete optimal design method, and hence offers a practical reliable optimal method for centrifugal probability ballast cleaner.

本文详细介绍了离心概率筛优化数学模型的建立，结合数学模型引进了离散变量优化设计方法（MD-OD），为离心概率筛的设计提供了一种切实可行的优化设计程序。

The Optimal Design of Cleaning Screen of the Hydraulic Ballast Cleaner

全液压枕底清筛机筛分机构的优化设计

Valve remote control system can control the hydromantic driving unit, valves, gather data from cursors. It can also control cargo pump and ballast pump.

阀门遥控系统采集阀门以及传感器数据，控制液压动力单元、液压阀门，对液货泵及压载泵等进行控制。

Ballast pump status-indicating system

压载泵状态指示系统

In this paper, method of calculation for pumping of water vapour with gas ballast pump is introduced.

本文介绍用气镇泵抽除水蒸汽的计算方法。

In the paper, model of ballast pump is established according to the principle of centrifugal pump.

本文根据离心泵的原理建立了压载泵流量模型；

Calculation of Parameters for Gas Ballast Pump

气镇泵的参数计算

Cargo and ballast pump speed control system

货油及压载泵转速控制系统

Function test and automatic controller test for ballast pump.

压载泵效用试验和自动控制装置试验。

Disclosed is an electronic ballast for fluorescent lamp.

荧光灯电子镇流器。

Discussion on the Standard about Power-loss of Magnetic Ballast for Fluorescent Lamp

管形荧光灯电感镇流器的能耗标准探讨

Single-Chip Electronic Ballast for Fluorescence Lamp

用于荧光灯的一种单片电子镇流器

High Power Factor Dimmable Electronic Ballast for Fluorescent Lamp

高功率因数可调光荧光灯电子镇流器

A Design of High Power Dimmable Electrical Ballast for Ultraviolet Lamp

一种大功率可调光紫外灯电子镇流器的设计

Research on digital control strategy of electronic ballast for MH lamp

数字控制金卤灯电子镇流器