机器上有淡、标准浓度、浓三个按钮。
标准曲线应涵盖整个预期浓度范围。
The standard curve should cover the entire range of expected concentrations.
洁净手术部全面系统地严格管理可以使空气细菌浓度达到标准;
The essence to reach the standard of bacterial concentration was the management systematically.
空气中的烟尘、SO2浓度远远超过了国家标准。
The concentration of SO2 and dust in air is over the national standard enormously.
第二,什么是有害金属离子血清浓度标准?
第二,什么是有害金属离子血清浓度标准?
应用推荐