Introduces property parameter,structure and material of main parts for nuclear grade bellow seal sodium globe valve,analyses testing procedures and technical requirements for sodium valve cool cycling,flow resistance,life testing and earthquake,thermal testing,also expatiates technical designing keys and practical experience for sodium valve.

Introduces the structure,characteristics and mechanical machining methods for T-type Sodium globe valve body.

Determination of sodium in soil and plant by flame atomic absorption spectrometry;

Determination of Sodium Influence Factor and Elimination in Fruit Juice by Flame Atomic Absorption Spectrometry;

Comparative Study of Two Methods in the Determination of Sodium in Water by AAS and ICP-AES;

Determination of K and Na in Melamine By Flame Atomic Absorption Spectrometry with Bi-Capillary Nebulizer;

Development and application of impervious material used for Na - making electrolytic furnace;

Determination of Na in Anticoagulant Sodium Heparin by Flame Atomic Absorption Spectrophotometry;

Determination of Potassium and Sodium in Borates by Differential Flame Photometry;

Determination of the Potassium and Sodium Content in foodstuff by Flame Atomic Absorption Spectrophotometry;

Determination of potassium,sodium and calcium in aqueous vapor from power plant by atomic absorption spectrometry;