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Journal of Physical Science and Application

ISSN: 2159-5348
Website:http://davidpublisher.com/Home/Journal/JPSA
Frequency: monthly
Volume 10, Number 2, February 2021 (Serial Number 52)

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Open Access

State Estimation for Sound and Vibration Emitted from aMachine Based on Sound Measurement Under Existenceof Background Noise

Hisako Orimoto¹, Akira Ikuta¹, and Xifeng Wang²

Abstract | References Full-Text PDF Download XML 299 Views

DOI:10.17265/2159-5348/2021.02.001

Open Access

Formation and Evolution of Galaxies and Its Black Holes and Quasars

Cuixiang Zhong

Abstract | References Full-Text PDF Download XML 281 Views

DOI:10.17265/2159-5348/2021.02.002

Open Access

Optical Decontamination of Large Areas Containing Airborne Microorganisms at Different Phases of Growth

Shirly Lara Perez^1,2, Kate Cristina Blanco², and Vanderlei Salvador Bagnato^2,3

Abstract | References Full-Text PDF Download XML 311 Views

DOI:10.17265/2159-5348/2021.02.003

Open Access

Microbial Monitoring and Mitigaiton in Cementing Operations

Abdulmohsen A. Al-Humam, Abdalla M Ezzat, Abdulaziz A Ba Hamdan, Mohammed E. Sindi, Ghassan A. Al-Humaid, Mohammed A. Subhi, andXiangyang Zhu

Abstract | References Full-Text PDF Download XML 288 Views

DOI:10.17265/2159-5348/2021.02.004

Open Access

Question of Parity Non-conservation in Weak Interactions

Zuodong Sun

Abstract | References Full-Text PDF Download XML 373 Views

DOI:10.17265/2159-5348/2021.02.005

Open Access

NovelPlus Type DVCC-Based Current-Mode Biquadratic Circuit

Takao Tsukutani¹, and Noboru Yabuki²

Abstract | References Full-Text PDF Download XML 282 Views

DOI:10.17265/2159-5348/2021.02.006