热水器用管状加热器
Tubular heating element for water heaters
2024-09-29
JB/T 12514-2015
热流道用电加热器
Electric heater element for hot runner mold
2015-07-14
GOST 26473.2-1985
Сплавы и лигатуры на основе ванадия. Методы определения вольфрама
钒基合金和合金元素 钨的测定方法
BS 7798-1998
Specification for industrial immersion heaters using metal-sheathed elements
使用金属护套元件的工业浸入式加热器规范
1998-05-15
BS 7797-1998
Specification for industrial duct heaters using metal-sheathed elements
使用金属护套元件的工业管道加热器规范
1998-05-15
SN/T 2698-2010
钨制品中杂质元素分析 电感耦合等离子体原子发射光谱法
Elemental analysis of impurities in tungsten products-Inductively coupled plasma atomic emission spectrometric method
2010-11-01
SL-08-009
Effect of Temperature Stratification Near Heating Elements on the Measured Energy Factors of Electric Water Heaters
加热元件附近温度分层对电热水器能量因数测量的影响
DA-88-10-3
Residential Water Heater Electrical Usage and Demand Reduction Using Reduced Element Sizes and Time Clock Controls
通过减少元件尺寸和时钟控制减少家用热水器的用电和需求
GB/T 14352.20-2021
钨矿石、钼矿石化学分析方法 第20部分:铌、钽、锆、铪及15个稀土元素量的测定 电感耦合等离子体质谱法
Methods for chemical analysis of tungsten ores and molybdenum ores—Part 20:Determination of niobium,tantalum,zirconium,hafnium and 15 rare earth elements content—Inductively coupled plasma mass spectrometry