Results 1 to 10 of about 825,201 (270)

Size Distribution and Source Identification of Airborne Particulate Matter and Metallic Elements in a Typical Industrial City

open access: yesAsian Journal of Atmospheric Environment, 2010
The size distribution of airborne particulate matter (PM) and the concentrations of associated metallic elements were investigated in a busy urban region of a typical Korean industrial city.
Mai Tra Ny , Byeong-Kyu Lee
doaj   +1 more source

Yield and vegetation index of different maize varieties and nitrogen doses under normal irrigation

open access: yesOpen Agriculture
Nitrogen is essential nutrient that supports the growth and yield of corn. The correct dose of nitrogen fertilization is one of the keys to increasing corn productivity by its yield potential.
Padjung Rusnadi   +8 more
doaj   +1 more source

Identification of Abnormal data in online dissolved gas monitoring in oil based on PCA and Fast-MCD

open access: yesZhejiang dianli
To detect the operational status of transformers by online monitoring of dissolved gases in oil is critical for ensuring its stable operation. However, faults in monitoring devices can result in abnormal data, severely impacting the effect of online ...
WANG Ziling   +5 more
doaj   +1 more source

GENETIC DIVERSITY IN SODIUM AZIDE INDUCED WHEAT MUTANTS STUDIED BY SSR MARKERS

open access: yesTrakya University Journal of Natural Sciences, 2018
Mutations induced artificially way are one of the tools used to increase genetic variation in populations where genetic variation has been shrinking especially due to various reasons one of which is domestication.
Fatma Sarsu, Ayşe Şen
doaj   +1 more source

Tocochromanols and fatty acid composition in flax (Linum usitatissimum L.) accessions

open access: yesActa Societatis Botanicorum Poloniae, 2019
Flax, Linum usitatissimum, cultivars are grown throughout the world. Flax oil is a dietary source of polyunsaturated fatty acids, vitamin E, as well as phospholipids, sterols, and phenolic acids.
Agnieszka Trela   +5 more
doaj   +1 more source

Development and evaluation of early maturing white-grained finger millet (Eleusine coracana L.) genotypes for cultivation in sub-mountain Himalayan region of India

open access: yesElectronic Journal of Plant Breeding, 2016
White grained finger millet genotypes has become a thrust area in finger millet breeding due to increased demand of nonglutinous food products and lesser acceptability of brown grained finger millet.
Salej Sood   +4 more
doaj   +1 more source

Survey of content of cadmium, calcium, chromium, copper, iron, lead, magnesium, manganese, mercury, sodium and zinc in chamomile and green tea leaves by electrothermal or flame atomizer atomic absorption spectrometry

open access: yesOpen Chemistry, 2018
Due to the simplicity of tea preparation (pouring hot water onto different dried herbs) and its high popularity as a beverage, monitoring and developing a screening methodology for detecting the metal content is very important.
Prkić Ante   +6 more
doaj   +1 more source

Assessment of Selected Chemical Components in Different Types of Chocolates

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The aim of the study was observed selected and compared chemical components in commercial and raw chocolates. HPLC was used to determine Galic acid, Theobromin, Catechin, Caffeine, Epicatechin and Epigallocatechin 3 gallate in 17 commercial chocolates ...
Alica Bobková   +6 more
doaj  

PCA DASS.pdf

open access: yes, 2021
Principal Component Analysis of ...
openaire   +1 more source

Performance Comparison of PCA,DWT-PCA And LWT-PCA for Face Image Retrieval

open access: yesComputer Science & Engineering: An International Journal, 2012
This paper compares the performance of face image retrieval system based on discrete wavelet transforms and Lifting wavelet transforms with principal component analysis (PCA). These techniques are implemented and their performances are investigated using f rontal facial images from the ORL database.
openaire   +1 more source

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