| 1. | Atomic absorption spectroscopy has proved to be a versatile tool in measuring concentrations of trace metals .
原子吸收光谱法已证明是一种用于测定痕量的金属浓度的灵活多用的仪器。 |
| 2. | Automatic titrator is usually used for measuring concentrations of samples
摘要全自动滴定仪一般用来测定样品的浓度。 |
| 3. | Validation of the strength of reference solutions used for measuring concentrations
用于测定浓度的参比溶液的强度的检测 |
| 4. | Kolpin and his associates acknowledge that they underestimated antibiotic occurrence because they measured concentrations only in water ; antibiotics tend to build up in mud and other sediments
柯尔品等人承认，由于他们只测定了水中的物质含量，而抗生素常堆积在淤泥及其他的沉淀物中，因此可能低估了抗生素的量。 |
| 5. | Workplace atmospheres - electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - performance requirements for apparatus used for measuring concentrations well above limit values
工作场所空气.有毒气体和蒸气的直接检测和直接富集测量用电气设施.大大超过极限值的浓度测量用设备性能要求 |
| 6. | Workplace atmospheres - electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - performance requirements for apparatus used for measuring concentrations in the region of limit values
工作场所空气.有毒气体和蒸气的直接检测和直接富集测量用电气设施.极限值区域中浓度测量用设备性能要求 |
| 7. | Workplace atmospheres - electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - part 3 : performance requirements for apparatus used for measuring concentrations well above limit values
工作场所空气.有毒气体和蒸汽的直接监测和直接浓缩测量使用的电气装置.第3部分:测量极限值以上的浓缩井用的装置的性能要求 |
| 8. | Workplace atmospheres - electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - part 2 : performance requirements for apparatus used for measuring concentrations in the region of limit values
工作场所空气.有毒气体和蒸汽的直接监测和直接浓缩测量使用的电气装置.第2部分:用于测量限定值范围内的电气装置的性能要求 |
