| 1. | Industrial fans - determination of fan sound power levels under standardized laboratory conditions - general overview
工业风扇.标准实验室条件下风扇声功率级的测定.总论 |
| 2. | Industrial fans - determination of fan sound power levels under standardized laboratory conditions - reverberant room method
工业风扇.标准实验室条件下风扇声功率级的测定.混响室法 |
| 3. | Industrial fans - determination of fan sound power levels under standardized laboratory conditions - sound intensity method
工业用风扇.标准化实验室条件下风扇声功率级的测定.声强法 |
| 4. | Industrial fans - determination of fan sound power levels under standardized laboratory conditions - enveloping surface method
工业风扇.标准实验室条件下风扇声功率级的测定.包络面法 |
| 5. | Industrial fans - determination of fan sound power levels under standardized laboratory conditions - part 1 : general overview
工业用风扇.标准化实验室条件下风扇声功率级的测定.第1部分:概揽 |
| 6. | Industrial fans - determination of fan sound power levels under standardized laboratory conditions - part 4 : sound intensity method
工业用风扇.标准化实验室条件下风扇声功率级的测定.第4部分:声强法 |
| 7. | Industrial fans - determination of fan sound power levels under standardized laboratory conditions - part 2 : reverberant room method
工业用风扇.标准化实验室条件下风扇声功率级的测定.第2部分:混响室法 |
| 8. | Industrial fans - determination of fan sound power levels under standardized laboratory conditions - part 3 : enveloping surface methods
工业用风扇.标准化实验室条件下风扇声功率级的测定.第3部分:包络面法 |
| 9. | After several years development , sem . test gets our independent standardized laboratory recognized by the authoritative certification institution of tuv rhineland timco engineering and ul etc . the founding of sem . test compliance is to apply professional product emc , rf , safety and rohs testing and certification service for product quality meeting the standard s requirements
3 .先进的实验设备sem . test测试设备来自专业的世界知名品牌，主要有美国agilent , hp , ketherly ,丹麦k b ,德国r s和中国的aino系列品牌，为测试的精确性提供可靠的数据保障。 |
