Results 41 to 50 of about 35,499 (236)
Drug Testing and Analysis, EarlyView.This study investigates the effect of the reaction temperature (step 1) and reaction time (step 1 and 2) on the conversion efficiency and impurity profile of amphetamine synthesized via the Leuckart method. Conversion efficiency and impurity profile were assessed using gas chromatography–flame ionization detection (GC–FID) and GC–mass spectrometry (GC ...
Maartje C. M. Verhoeven +7 more
wiley +1 more source
A dual quaternion algorithm of the Helmert transformation problem
Earth, Planets and Space, 2018 Rigid transformation including rotation and translation can be elegantly represented by a unit dual quaternion. Thus, a non-differential model of the Helmert transformation (3D seven-parameter similarity transformation) is established based on unit dual ...
Huaien Zeng +3 more
doaj +1 more source
Model of the Classification of English Vowels by Spanish Speakers [PDF]
, 1999 A number of models of single language vowel classification based on formant representations have been proposed. We propose a new model that explicitly predicts vowel perception by second language (L2) learners based on the phonological map of their ...
Cohen, Michael +3 more
core +1 more source
AI‐based localization of the epileptogenic zone using intracranial EEG
Epilepsia Open, EarlyView.Abstract Artificial intelligence (AI) is rapidly transforming our lives. Machine learning (ML) enables computers to learn from data and make decisions without explicit instructions. Deep learning (DL), a subset of ML, uses multiple layers of neural networks to recognize complex patterns in large datasets through end‐to‐end learning.
Atsuro Daida +5 more
wiley +1 more source
Forum: Qualitative Social Research, 2011 This article explains the process and findings of a computer-supported (MAXQDA 10) qualitative analysis of the financial crisis based on text, audio and video files provided by the KWALON program committee.
Anne Kuckartz, Michael J. Sharp
doaj
Breaking barriers: Unveiling challenges in virtual reality adoption for tourism business managers
Tourism and Hospitality ManagementPurpose – This study investigates the barriers to the adoption of Virtual Reality (VR) in the tourism industry. Although VR has great potential to enhance the tourist experience, the adoption of this technology is still limited in the tourism sector ...
Nuno Sousa +3 more
doaj +1 more source
Classification of Epileptic EEG Signals by Wavelet based CFC
, 2018 Electroencephalogram, an influential equipment for analyzing humans activities and recognition of seizure attacks can play a crucial role in designing accurate systems which can distinguish ictal seizures from regular brain alertness, since it is the ...
Ahmadi, Amirmasoud +3 more
core +1 more source
International Journal of Cancer, EarlyView.What's New? Using 21 SNPs, two novel PRS were constructed and used to develop two new machine‐learning classifiers, one for the detection of prostate cancer and the other for the prediction of its aggressiveness and subsequent mortality. The classifier for disease detection is built using the PRS as the sole feature, whereas the one for disease ...
Leandro Rodrigues Santiago +3 more
wiley +1 more source
Qualitative Research and Computer Analysis: New Challenges and Opportunities [PDF]
, 2000 The use of computers for Qualitative Data Analysis (QDA) in qualitative research has been growing rapidly in the last decade. QDA programs are software packages developed explicitly for the purpose of analyzing qualitative data.
Yuen, AHK
core
Bath Vibration During Open Eye Formation in a Physical Model of a Steelmaking Ladle
steel research international, EarlyView.Using a physical model, this study shows that vibration measurements reliably predict open eye size in steelmaking ladles, offering a practical alternative to visual monitoring. Vessel vibrations stabilize faster than the open eye, except at high frequencies near the bottom.
Mika Pylvänäinen +6 more
wiley +1 more source