Results 11 to 20 of about 19,018,396 (338)

Application of fourier transform infrared (FTIR) spectroscopy in sample preparation: Material characterization and mechanism investigation

open access: yesAdvances in Sample Preparation
The principle of Fourier Transform Infrared (FTIR) spectroscopy is based on atoms vibration and rotation, and it has become a universal and widely used spectral methodology to detect the internal molecular structures in all kinds of fields.
Yahui Gong, Xuerong Chen, Wei Wu
doaj   +2 more sources

Productive and nutritional potential of Sudan grass

open access: yesАграрная наука Евро-Северо-Востока, 2023
Sudan grass is characterized by drought and heat resistance and is the best among annual and perennial bluegrass feed crops by the content of the main nutrient element - protein.
N. A. Kovtunova, E. A. Shishova
doaj   +1 more source

A Method for Predicting the Creep Rupture Life of Small-Sample Materials Based on Parametric Models and Machine Learning Models

open access: yesMaterials, 2023
In view of the differences in the applicability and prediction ability of different creep rupture life prediction models, we propose a creep rupture life prediction method in this paper. Various time–temperature parametric models, machine learning models,
Xu Zhang   +5 more
semanticscholar   +1 more source

Influence of different polishing materials in the material removal of steel samples [PDF]

open access: yesProduction & Manufacturing Research, 2017
The quality of injection moulded polymer optic parts depends on the surface finish of the respective mould. In order to improve and control the surface finish of the mould it is important to be able to keep the material removal constant during the polishing process of these moulds.
Anjali Desilva   +3 more
openaire   +3 more sources

BAMline-A real-life sample materials research beamline.

open access: yesJournal of Chemical Physics, 2023
With increasing demand and environmental concerns, researchers are exploring new materials that can perform as well or better than traditional materials while reducing environmental impact.
A. Guilherme Buzanich   +10 more
semanticscholar   +1 more source

Statistical Homogenization of Elastic and Fracture Properties of a Sample Selective Laser Melting Material

open access: yesApplied Sciences, 2023
Selective laser melting (SLM) is an additive manufacturing technique commonly used in the rapid prototyping of components. The complexity of the SLM microstructure poses a unique challenge to deriving effective mechanical properties at different length ...
Ryan P. Connor   +6 more
doaj   +1 more source

THE ESTIMATION OF PEAS COLLECTION IN THE ALTAI

open access: yesЗерновое хозяйство России, 2019
The article emphasizes the importance of peas as a source of vegetative protein, and indicates on insufficient areas under peas both in Russia and in the Altai.
S. K. Shchukis, E. R. Shchukis
doaj   +1 more source

Reference ranges for free calcium in venous serum

open access: yesBioingeniøren, 2021
After obtaining an informed consent, venous blood samples were taken in gel tubes without additives from 125 healthy blood donors for analysis of free calcium in serum. In addition, pH was measured, and free calcium standardized to pH 7.40 calculated. In
Randi Jensen   +2 more
doaj  

Matrixlysis, an improved sample preparation method for recovery of Mycobacteria from animal tissue material. [PDF]

open access: yesPLoS ONE, 2017
Mycobacterium caprae, a member of the Mycobacterium tuberculosis complex, is the main causative agent of bovine tuberculosis in alpine regions. Bacterial culture is the gold standard in bovine tuberculosis diagnostic but takes up to twelve weeks.
Christoph Leth   +6 more
doaj   +1 more source

Synthesis of Magnetic Metal-Organic Frame Material and Its Application in Food Sample Preparation

open access: yesFoods, 2020
A variety of contaminants in food is an important aspect affecting food safety. Due to the presence of its trace amounts and the complexity of food matrix, it is very difficult to effectively separate and accurately detect them.
Jingying Yang   +6 more
doaj   +1 more source

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