划重点！带你学《液体化学品船安全指南》(五)名词解释

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本周我们将继续发布液体化学品船安全指南（第四版）TANKER SAFETY GUIDE CHEMICALS Fourth edition中所涉及的知识点及相关内容，本期继续向业界发布所涉及的名词解释（中英文对照），后续会陆续发布指南内容。希望给业界提供参考。

✍ Insulating flange

绝缘法兰

An insulating device placed between metallic flanges, bolts and washers, to prevent electrical continuity between pipelines, sections of pipelines, hose strings and loading arms, or equipment/apparatus.

是指一种安装在金属法兰、螺栓和垫片之间的装置用以隔断管线、管段、软管串联和输油臂或设备/装置的导电连续性。

✍Intrinsically safe

本质安全

Intrinsically safe equipment, instruments, or wiring that are incapable of releasing sufficient electrical or thermal energy, under normal or abnormal conditions, to cause ignition of a specific hazardous atmospheric mixture in its most easily ignited concentration.

本质安全的设备、仪器或接线在正常或非正常的情况下都不会释放出足够的电能或热能以点燃在极易燃烧浓度范围内的危险可燃混合气体。

✍ MAK

最高允许浓度（德语缩写）

MAK values are daily eight hour time weighted average allowable values for exposure to chemicals in the workplace applicable to healthy adults.

MAK值是指化学品在工作场合空气中以气体、蒸汽或浮游物形式存在的最高容许浓度，是时间重量加权平均值。在这种浓度的反复或长期作用下，按每天工作8小时、每周平均工作45小时计，应不会对成年工作人员的健康有影响。

✍ Material Safety Data

Sheet (MSDS)

展开全文

物质安全资料说明书

Document containing information and instructions on hazardous materials. A MSDS contains details about hazards and risks relevant to the substance, requirements for its safe handling, and actions to be taken in the event of fire or exposure to the product. MSDS is synonymous with SDS.

是指包含该有害物质的信息和指示的文件。一份MSDS说明书包含与该物质相关的具体危害和风险、安全操作该物质的要求以及发生火灾或意外接触到该物质时的应急措施。MSDS是SDS的同义词。

✍ Oil Discharge Monitoring Equipment (ODME)

排油监控装置

ODME is equipment required on oil tankers as part of the approved oil discharge and monitoring control system. It is used to monitor the discharge into the sea of oily ballast or other oil contaminated water from the cargo tank areas.

排油监控装置是要求安装在油轮上的装置，作为许可的排油和监控系统的组成部分。被用来监控从货舱区域排放含油压载水或污油水入海。

✍ OEL

职业暴露限制

Occupational Exposure Limits (OELs) are intended to help to control exposure to dangerous substances in the workplace, by setting the maximum amount of (air) concentration of a substance that can safely be allowed. The average exposure time in OEL lists is normally eight hours per day (often referred to as TWA-8h or Time Weighted Average - 8h).

职业暴露限制是指工作场所（空气）中人员不被有毒物质伤害的最大允许浓度。在OEL列表中的平均暴露时间正常是8小时/天（通常称为TWA-8h或时间重量加权平均- 8小时）。

✍ Oxygen analyser

测氧仪

An instrument used to measure oxygen concentrations, expressed as a percentage by volume .

是一种测量氧气浓度的仪器，显示的是体积百分比。

✍ Oxygen level in atmosphere

大气中的氧气含量

Throughout this Guide the percentage of oxygen in air is referred to as 21%, since most instrumentation in use on ships has a gauge or scale which reads to 21%. Strictly, however, the percentage of oxygen falls several hundredths of a percent below that figure, variously quoted between 20.85% and 20.95%.

由于船上使用的绝大多数仪器测量的氧气含量读数为21%，因此本书至始至终将空气中的氧气含量定格为21%。但从严格意义来说，真正的氧气含量比21% 略低万分之几，介于20.85% -20.95%之间。

✍ Padding

填充

Filling and maintaining the cargo tank and associated piping system with an inert gas or other gas, vapour or liquid in order to separate the cargo from air.

是指用惰气或其它气体、蒸气或液体填充货舱和关联的管线以确保货物任何时候都接触不到空气。

END

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