water ballast

The alien invasive species that damage the health of wetland ecosystem include alien invasive weeds, alien marine species unsuccessfully introduced and harmful alien red tide alga that are brought with water ballast.

对湿地生态系统的健康造成严重损害的外来入侵物种主要是外来杂草、引种失败的外来海洋生物、随船舶压舱水带来的外来有害赤潮生物。

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。

As anticorrosive paint for hull under water, water ballast tank and crude oil tank, etc.

主要用于船壳水下部分及压载舱、油舱等部位的防腐漆。

Father ships ballast water and sediments safely and efficiently has became hotpot task in international ocean environment study.

安全而有效治理船舶压载水及其沉积物已成为国际海洋环境研究中的热点课题。

As antirust paint for water ballast tank and crude oil tank.

主要用于压载舱、原油舱等部位的防腐漆.

Current status of the approval process and research and developments of Ballast Water Management Systems

压载水管理系统批准和技术研发现状压载油污水处理系统

Heavy material that is placed in the hold of a ship or the gondola of a balloon to enhance stability. As anticorrosive paint for hull under water, water ballast tank and crude oil tank, etc.

压舱物，压载放在船舱或气球吊篮里以增加稳定性的重物主要用于船壳水下部分及压载舱、油舱等部位的防腐漆。

As anticorrosive paint for hull under water , water ballast tank and crude oil tank, etc.

主要用于船壳水下部分及压载舱、油舱等部位的防腐漆.

To establish suitable mathematical models of ship's water ballast system, bilge water system and anti-rolling tanks are the foundation for control and simulation for these systems.

建立船舶压载调平系统和污水处理系统的数学模型是进行船舶调平和污水处理控制和仿真的基础。

As a protective coating for water ballast tanks, cofferdams, bilges, void spaces, etc.

用作压载水舱 、 贮槽 、 空隔舱 、 舱底以及空隙部位的防护.

The Study of Microprocessor-controlled Device of Ballast Water Treatment

采用微机控制的船舶压载水处理装置的研究

Also as lining for barges and tankers carrying sour crude, petroleum products and salt water ballast.

也用作驳船、装载原油和石油产品的舱室、海水压载舱的衬里.

According to the barge force analysis the mathematic module of automatic water ballast adjustment is built. According to the theory of stability the module of stability is built. 3.

根据装船过程驳船受力分析建立了自动调载控制中调载水量计算的数学模型，根据船舶稳性的相关原理建立了稳性控制模型，完善了调载水量的计算。

The main parts of the paper are included: ( 1) theorizing water ballast system, bilge water system for a container ship, simulation study results based MATLAB are given;

本文完成了以下研究内容：（1）船舶压载调平系统模型和污水处理系统数学模型的建立，对其在MATLAB下进行了仿真研究；