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Showing 13 to 17 of 17 entries
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A micro filter stick for use in spectrographic analysis.

The Analyst

WILSON GE.
PMID: 21001067
Analyst. 1946 Aug;71(845):375. doi: 10.1039/an9467100375.

No abstract available.

Theory of an efficient interference filter.

Journal of the Optical Society of America

MOONEY RL.
PMID: 21027060
J Opt Soc Am. 1946 May;36:256-60. doi: 10.1364/josa.36.000256.

No abstract available.

[Filtration of crude fiber on filter paper, a simplification of Bellucci's technic].

Mitteilungen aus dem Gebiete der Lebensmittel-untersuchung un Hygiene = Travaux de chimie alimentaire et d'hygiene

ESCHMANN H, POTTERAT M.
PMID: 14356050
Mitt Geb Lebensmittelunters Hyg. 1954;45(6):499-501.

No abstract available.

[The effect of high-pass filter circuit on accurate measurement of ST-segment].

Zhongguo yi liao qi xie za zhi = Chinese journal of medical instrumentation

Song Y, Zhu C, Wei L, Wang F, Ye J, Zhang X, Huang X.
PMID: 24409784
Zhongguo Yi Liao Qi Xie Za Zhi. 2013 Sep;37(5):319-21.

The high-pass filter which is designed to overcome the polarization voltage in the ECG measurements can affect the measurement of the ST-segment; but the accuracy of the ST-segment will have an impact on the diagnosis and treatment of heart...

Systematic experimental comparison of particle filtration efficiency test methods for commercial respirators and face masks.

Scientific reports

Corbin JC, Smallwood GJ, Leroux ID, Norooz Oliaee J, Liu F, Sipkens TA, Green RG, Murnaghan NF, Koukoulas T, Lobo P.
PMID: 34753968
Sci Rep. 2021 Nov 09;11(1):21979. doi: 10.1038/s41598-021-01265-8.

Respirators, medical masks, and barrier face coverings all filter airborne particles using similar physical principles. However, they are tested for certification using a variety of standardized test methods, creating challenges for the comparison of differently certified products. We have...

Showing 13 to 17 of 17 entries