Results 81 to 90 of about 2,040,630 (240)

Determination of Heavy Metals in the Common Smokeless Tobacco Afzal in Oman

Sultan Qaboos University Medical Journal, 2014
Objectives: Afzal is an illegally sold smokeless tobacco product (STP) commonly used by youths and teenagers in Oman. The aim of this study was to analyse the composition of Afzal, also commonly known as sweekah, as it is believed to contain many ...
Nawal Al-Mukhaini, Taher Ba-Omar, Elsadig Eltayeb, Aisha Al-Shehi   +3 more
doaj  

Monitoring the Dynamic Response of a Buried Polyethylene Pipe to a Blast Wave: An Experimental Study

Applied Sciences, 2019
Although the use of polyethylene (PE) pipelines has become increasingly widespread in recent years, few studies have addressed their seismic design and ability to withstand blast waves.
Dongwang Zhong, Xiangchao Gong, Fang Han, Linna Li   +3 more
doaj   +1 more source

Term Analysis of the Third Spectrum of Iron (Fe Iii). [PDF]

, 1942
Bengt Edlén, P. Swings
openalex   +1 more source

Enhanced spectral signatures with Ag nanoarrays in hyperspectral microscopy for CNN-based microplastics classfication

Frontiers in Chemistry
Microplastics are a pervasive pollutant in aquatic ecosystems, raising critical environmental and public health concerns and driving the need for advanced detection technologies.
Xinwei Dong, Xinwei Dong, Xu Zhao, Jianing Xu, Qianqian Chen, Hanwen Luo, Fuxin Zheng, Tao Zhang, Yansheng Liu   +8 more
doaj   +1 more source

Drawing Tower In-Line Fabrication and the Spectrum Analysis of Sampled Fiber Grating

Photonic Sensors, 2019
Sampled fiber grating is a special superstructure fiber Bragg grating with a wide range of applications in many fields. In this work, based on drawing tower in-line fabrication system, a new preparation method of the sampled fiber grating is proposed and
Yu Zheng, Wenjing Gao, Haihu Yu, Huiyong Guo, Shan Jiang, Desheng Jiang   +5 more
doaj   +1 more source

ELECTRO–ENCEPHALOGRAPHIC PATTERN AND FREQUENCY SPECTRUM ANALYSIS DURING DIETHYL ETHER ANALGESIA [PDF]

, 1955
J. Weldon Bellville, Joseph F. Artusio
openalex   +1 more source

Rotational Analysis of the Band Spectrum of Boron Monobromide [PDF]

, 1940
E. Miescher, E. ROSENTHALER
openalex   +1 more source

A function with support of finite measure and "small" spectrum [PDF]

arXiv, 2017
We construct a function on the real line supported on a set of finite measure whose spectrum has density zero.
arxiv  

What Is the Optimal Sampling Time of Environmental Parameters? Fourier Analysis and Energy Harvesting to Reduce Sensors Consumption in Smart Greenhouses

AgriEngineering
Smart greenhouses offer crucial solutions for reducing our atmospheric impact and resource waste. However, two fundamental challenges persist in their implementation, massive energy consumption and a high level of human intervention, particularly for ...
Cristian Bua, Davide Adami, Stefano Giordano   +2 more
doaj   +1 more source

III. Researches in spectrum-analysis in connexion with the spectrum of the Sun.—Part III [PDF]

, 1873
Joseph Norman Lockyer
openalex   +1 more source