Karl Fischer titration is a classic titration method in chemical analysis that uses coulometric or volumetric titration to determine trace amounts of water in a sample. It was invented in 1935 by the German chemist Karl Fischer. Today, the titration is done with an automated Karl Fischer titrator. Web이 계수는 다이나믹하게 하중이 적용되는 스프링을 계산할 때 사용됩니다(수명 N > 10 5 작동 행정에 대한 순환 피로 하중). 완전 하중에 노출된 스프링 재질의 비틀림 응력과 스프링의 내구성 한계 사이의 비율, 즉 k f ≈τ e / τ 8 로 제공됩니다. 표준 작업 조건의 경우 피로 한계의 안전계수 k f 에 대한 ...
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