scholarly journals Variations in the effects caused by magnetic field on chlorophyll, nitrogen, calcium, and iron contents in species of vegetable plants

2021 ◽  
Vol 47 (2) ◽  
pp. 841-846
Author(s):  
Olusegun O Alabi ◽  
Samuel O Sedara ◽  
Kafayat Adeyemi ◽  
Felix Oladejo ◽  
Mutiu A Fakunle ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Regression Analysis ◽  
Statistical Analysis ◽  
Atomic Absorption ◽  
Chlorophyll Content ◽  
Power Transmission ◽  
Work Patterns ◽  
Field Exposure ◽  
Elemental Concentrations ◽  
Vegetable Sample

The rates of reduction in chlorophyll and nutrients such as nitrogen, calcium and iron with the distance or range of source of Magnetic Field (MF) had not been considered. In this work, patterns of damage or reduction caused by a magnetic field on two different species of vegetables were studied. The first group was planted in an environment without the influence of MF, while the second group was subjected to high MF under the 330 kV electric lines. The magnetometer was used to measure the MF intensities. The chlorophyll content of each vegetable sample was determined on the field with a portable chlorophyll meter. The dried harvested samples of two different vegetable species were analyzed using an Atomic Absorption Spectrophotometer (AAS) to assess the concentrations of nitrogen (N), calcium (Ca), and iron (Fe) in the samples. Results of elemental concentrations were subjected to statistical analysis to appraise the relationships between the measured variables as responses to high MF. It was observed that the effects of high MF are stronger on spinach vegetable than Lagos spinach. This suggested that the effects of MF on plants are not only MF intensity dependent, but also species-dependent. Keywords: Magnetic field; Exposure; Regression analysis; Power transmission; Chlorophyll; Iron

METHOD OF SYNTHESIS OF CLOSED-LOOP SYSTEMS OF ACTIVE SHIELDING MAGNETIC FIELD OF POWER TRANSMISSION LINES

2016 ◽  
Vol 2016 (4) ◽  
pp. 8-10 ◽  
Author(s):  
B.I. Kuznetsov ◽  
◽  
A.N. Turenko ◽  
T.B. Nikitina ◽  
A.V. Voloshko ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Transmission Lines ◽  
Closed Loop ◽  
Power Transmission ◽  
Power Transmission Lines ◽  
Closed Loop Systems ◽  
Active Shielding

The Effects of Exercise Commitment Facilitated by Service Quality of Smartphone Exercise Applications on Continued Exercise Intention

2019 ◽  
Vol 118 (1) ◽  
pp. 14-19
Author(s):  
Boo-Gil Seok ◽  
Hyun-Suk Park
Keyword(s):  
College Students ◽  
Factor Analysis ◽  
Regression Analysis ◽  
Statistical Analysis ◽  
Correlation Analysis ◽  
Service Quality ◽  
Frequency Analysis ◽  
Primary Data ◽  
Exercise Intention

Background/Objectives: The purpose of this study is to examine the effects of exercise commitment facilitated by service quality of smartphone exercise Apps on continued exercise intention and provide primary data for developing and/or improving smartphone exercise Apps. Methods/Statistical analysis: A questionnaire survey was conducted amongst college students who have experiences in using exercise App(s) and regularly exercise. The questionnaire is composed of four parts asking about service quality, exercise commitment, continued exercise intention, which were measured with a 5-point Likert Scale, and demographics. Frequency analysis, factor analysis, correlation analysis, and regression analysis were carried out to analyze the obtained data with PASW 18.0.

Effects of Subchronic 50-Hz 5-μT Magnetic Field Exposure on Hematological Parameters in Mice

1995 ◽  
Vol 14 (3) ◽  
pp. 193-197 ◽  
Author(s):  
Laurence Bonhomme-Faivre ◽  
Ernest Bizi ◽  
Sylvie Marion ◽  
Yvonnick Bezie ◽  
Eric Rudant ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Hematological Parameters ◽  
Field Exposure ◽  
Magnetic Field Exposure

scholarly journals Demicellization of Polyethylene Oxide in Water Solution under Static Magnetic Field Exposure Studied by FTIR Spectroscopy

2013 ◽  
Vol 2013 ◽  
pp. 1-8 ◽  
Author(s):  
Emanuele Calabrò ◽  
Salvatore Magazù
Keyword(s):  
Magnetic Field ◽  
Aqueous Solution ◽  
Ftir Spectroscopy ◽  
Static Magnetic Field ◽  
Polyethylene Oxide ◽  
Water Solution ◽  
Infrared Region ◽  
Bending Vibrations ◽  
Field Exposure ◽  
Methylene Groups

FTIR spectroscopy was used to investigate the alterations of the vibration bands in the mid-infrared region of Polyethylene oxide in aqueous solution at 25 mg/mL concentration under exposure up to 4 h to a static magnetic field at 200 mT. FTIR spectroscopic analysis of PEO solution in the range 3500–1000 cm−1 evidenced the stretching vibrations of ether band, C–H symmetric-antisymmetric and bending vibrations of methylene groups, and the C–O–C stretching band. A significant decrease in intensity of symmetric and asymmetric stretching CH2 vibration bands occurred after 2 h and 4 h of exposure, followed by a significant decrease in intensity of scissoring bending in plane CH2 vibration around 1465 cm−1. Finally, the C–O–C stretching band around 1080 cm−1 increased in intensity after 4 h of exposure. This result can be attributed to the increase of formation of the intermolecular hydrogen bonding that occurred in PEO aqueous solution after SMF exposure, due to the reorientation of PEO chain after exposure to SMF. In this scenario, the observed decrease in intensity of CH2 vibration bands can be understood as well considering that the reorientation of PEO chain under the applied SMF induces PEO demicellization.

Effect of pre-germination treatment with direct magnetic field exposure: a systematic review and meta-analysis

2021 ◽  
Author(s):  
Diego Ureta-Leones ◽  
Yudel García-Quintana ◽  
Sonia Vega-Rosete ◽  
Leobel Pérez-Morell ◽  
Carlos Alfredo Bravo-Medina ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Systematic Review ◽  
Meta Analysis ◽  
Field Exposure ◽  
Magnetic Field Exposure
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