合唱队
发表于 2025-3-27 00:27:42
Ewa BulskaPresents a concise and highly readable introduction to the topic.Provides essential knowledge that every chemist needs.Written by an experienced expert
可憎
发表于 2025-3-27 04:38:23
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错
发表于 2025-3-27 09:20:34
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为敌
发表于 2025-3-27 13:23:56
Introduction to Metrology,“Count what is countable, measure what is measurable and what is not measurable, make measurable.” .–
1分开
发表于 2025-3-27 15:05:47
Metrological Infrastructure,Nowadays, it is hard to imagine a modern society functioning without an adequate transport and communication infrastructure, as well as without suppliers of goods and services.
似少年
发表于 2025-3-27 19:06:24
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色情
发表于 2025-3-27 22:35:07
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丛林
发表于 2025-3-28 05:33:51
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标准
发表于 2025-3-28 07:05:56
Metrological Traceability,e previous chapters, using the standard of the highest order is not always possible or economically justified. Thus, secondary standards can be used (standards maintained in an accredited calibration laboratory) and compared within the chain of traceability with the standard of the highest order (primary standard).