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United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic elimination of asynchronous mode. Norms and requirements

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Fruit and vegetable juices. Titrimetric method for determination of total alkalinity of ash

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Fruit and vegetable juices. Determination of D-malic acid content

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Essential oil of mandarin, italian type (Citrus reticulata Blanco). Specifications

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Transportable devices and systems for hydrogen storage based on metal hydrides

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Silicon carbide refractory materials and products. Method for the determination of free silicon

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