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Petroleum and liquefied petroleum products - Equipment for measuring liquid level in storage tanks - Manual method
This International Standard specifies the requirements for the equipment required to measure manually the liquid level or the corresponding volume
Petroleum and liquid petroleum products. Equipment for measurement of liquid levels in storage tanks. Manual methods
This International Standard specifies the requirements for the equipment required to measure manually the liquid level or the corresponding volume
Manual method of measuring liquid level in storage tanks for petroleum and liquid petroleum products
本標準規定了工業低品位余熱集中供熱系統(以下簡稱"余熱供熱系統”)的基本原則、余熱資源分類與指標計算、工程設計和運行管理。 本標準適用于以工業低品位余熱"以下簡稱"余熱”為熱源的民用建筑集中供熱系統新建或改擴建項目
Technical guidelines for central heating system using low grade industrial surplus heat
QUARRY PRODUCTS. LIMESTONES. MEASUREMENT OF POROSITY, OF THE TRUE WEIGHT PER UNIT VOLUME, AND OF THE APPARENT WEIGHT PER UNIT VOLUME.
This document specifies an atomic absorption spectrometric test method for the determination of the lead content of petrol in the range 2,5 mg/l
Liquid petroleum products - Petrol - Determination of low lead concentrations by atomic absorption spectrometry