Takashi Usuda
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View article: Metrology Standard and International System of Unit (SI), Redefinition of Base Units and Cutting Edge Science, (Perspective View on the System of Unit)
Metrology Standard and International System of Unit (SI), Redefinition of Base Units and Cutting Edge Science, (Perspective View on the System of Unit) Open
1．はじめに
View article: A Universal Standard for the Validation of Blood Pressure Measuring Devices
A Universal Standard for the Validation of Blood Pressure Measuring Devices Open
In the past 30 years, several organizations, such as the US Association for the Advancement of Medical Instrumentation (AAMI), the British Hypertension Society, the European Society of Hypertension (ESH) Working Group on Blood Pressure (BP…
View article: Establishing reliability in vibration measurement and its international equivalency
Establishing reliability in vibration measurement and its international equivalency Open
The metric system and primary national metrology standards are necessary, but not sufficient for obtaining measurement equivalency. Recently, national metrology institutes of various countries including NMIJ/AIST of Japan are participating…
View article: Establishing reliability in vibration measurement and its international equivalency
Establishing reliability in vibration measurement and its international equivalency Open
計測の一貫性（いつ、どこで、誰が測定したかによらず比較評価が可能）を確保するためには、単位やその基準となる量（国家一次計量標準）が統一されているだけでは不十分である。今日では各国の計量標準機関（日本では産業技術総合研究所等）が参加する、国際相互承認（Mutual Recognition of Arrangement: MRA）の枠組みの下で、計測結果の相互比較等同等性を評価する活動が行われている。この論文では、産総研における振動校正技術の開発と、同等性評価を巡る国際的な動き…
View article: Validation of inflationary noninvasive blood pressure monitoring in the emergency room
Validation of inflationary noninvasive blood pressure monitoring in the emergency room Open
Inflationary NIBP measurements have a reasonable accuracy and a sufficient rapidity, compared with deflationary NIBP measurements, in ER patients.