Results 11 to 20 of about 6,882 (155)

Satellite Microwave Radiometry for the Observation of Land Surfaces: A General Review [PDF]

open access: yesSensors
The development of passive microwave sensors traces back to Robert Dicke’s pioneering experiments in the 1940s. Since then, microwave radiometry has evolved into a key tool for Earth observation, strengthened by data from multiple satellite missions ...
Cristina Vittucci, Matteo Picchiani
doaj   +2 more sources

Research and development of a luminance responsivity standard system at the Vietnam Metrology Institute

open access: yesVietnam Journal of Science, Technology and Engineering, 2022
The development of a luminance responsivity standard is central to the study of photometry and radiometry at the Vietnam Metrology Institute (VMI). Today, two methods are used to determine luminance responsivity.
Xuan Quan Cao   +2 more
doaj   +1 more source

COVID-19 and Its Derivatives- A relation with light for health

open access: yesAsia Pacific Journal of Health Management, 2022
Light now has many applications in life and plays a vital role in therapeutic and protective fields. In the recent era, many light sources are considered for prevention, sterilization, and curing, especially with artificial lamps.
Samaa Faramawy, Sameh Reda
doaj   +1 more source

Application of Optical Methods for Determination of Concentration of Doxorubicin in Blood and Plasma

open access: yesPharmaceuticals, 2022
The aim of presented research is to develop a simple and quick method of spectrophotometric detection for the determination of doxorubicin hydrochloride in blood and plasma.
Tomasz Sikora   +4 more
doaj   +1 more source

A Mobile Device for Monitoring the Biological Purity of Air and Liquid Samples

open access: yesSensors, 2021
A detector for identifying potential bacterial hazards in the air was designed and created in the Military Institute of Chemistry and Radiometry in the framework of the project FLORABO.
Tomasz Sikora   +2 more
doaj   +1 more source

Air Pollution and Radiation Monitoring in Collective Protection Facilities

open access: yesSensors, 2023
It has become increasingly important to monitor environment contamination by such chemicals as chemical warfare agents (CWAs) and industrial toxic chemicals (TICs), as well as radiation hazards around and inside collective protection facilities.
Angelika Monika Kołacz   +6 more
doaj   +1 more source

Natural Radioactivity in Soil and Radiological Risk Assessment in Lișava Uranium Mining Sector, Banat Mountains, Romania

open access: yesApplied Sciences, 2022
The specific activity and spatial distribution of 238U, 232Th and 40K were determined in the surface soil from the Lișava uranium mining sector. This sector belongs to the Banat district, an historically important uranium mining area in Romania (an area ...
Adriana Ion, Ana Cosac, Vlad Victor Ene
doaj   +1 more source

Rare earth elements distribution in topsoil from Ditrău Alkaline Massif area, eastern Carpathians, Romania

open access: yesHeliyon, 2023
This paper gives an overview of the REEs distribution in topsoil from Ditrău Alkaline Massif area under influence of basic natural factors (parent material and soil acidity).
Adriana Ion, Ana Cosac
doaj   +1 more source

Stationary Explosive Trace Detection System Using Differential Ion Mobility Spectrometry (DMS)

open access: yesSensors, 2023
Detecting trace amounts of explosives is important for maintaining national security due to the growing threat of terror attacks. Particularly challenging is the increasing use of homemade explosives.
Monika Szyposzyńska   +4 more
doaj   +1 more source

Detection of Triacetone Triperoxide (TATP) and Hexamethylene Triperoxide Diamine (HMTD) from the Gas Phase with Differential Ion Mobility Spectrometry (DMS)

open access: yesSensors, 2021
One of the significant problems in the modern world is the detection of improvised explosives made of materials synthesized at home. Such compounds include triacetone triperoxide (TATP) and hexamethylene triperoxide diamine (HMTD). An attempt was made to
Mirosław Maziejuk   +4 more
doaj   +1 more source

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