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441
Holonomic modules and 1-generation in the Jacobian Conjecture
Published 2024-09-01“…These results show that the Jacobian Conjecture, the Conjecture of Dixmier and the Poisson Conjecture are questions about holonomic modules for the Weyl algebra $A_n$ and the images of the Jacobian maps, of the endomorphisms of the Weyl algebra $A_n$ and of the Poisson endomorphisms are large in the sense that further strengthening of the results on largeness would be either to prove the conjectures or produce counter examples.A short direct algebraic (without reduction to prime characteristic) proof is given of the equivalence of the Jacobian and the Poisson Conjectures (this gives a new short proof of the equivalence of the Jacobian, Poisson and Dixmier Conjectures).…”
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442
Correlation between shear bond strength and degree of conversion of four orthodontic adhesives.
Published 2023-12-01“…The mode of bond failure was determined by the adhesive remnant index (ARI) index and the DC was determined by fourier transform infrared spectroscopy (FTIR) analysis. …”
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443
Control of regulated and unregulated emissions of an automotive spark ignition engine with alternative fuels (methanol, ethanol and hydrogen)
Published 2025-03-01“…The present research study investigates the effect of alternative fuels (Methanol, Ethanol, Hydrogen) on the performance, combustion, and emission (regulated and unregulated) characteristics of an automotive spark ignition engine. The FTIR (Fourier Transform Infrared) spectrometer was used to measure instantaneous emissions with a frequency of 5. …”
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444
Contribution to the corrosion inhibition of aluminum by aqueous extract of Moringa oleifera in 2 M HCl
Published 2025-02-01“…Abstract The anti-corrosion properties of Moringa oleifera extract (MOE) have been extensively studied for Al in two molar HCl solution using a variety of techniques, including atomic force microscopy, potentiodynamic polarization, electrochemical impedance spectroscopy, Fourier-transform infrared spectroscopy, and weight loss analysis. …”
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445
Numerical Study of a Supersonic Nozzle Gas Jet Laden with a Dry Powder Fire-extinguishing Agent Injected from a Bypass Injector
Published 2025-02-01“…For example, the performance indicators at the position of the injector near the nozzle throat and a larger total injector pressure ratio, as well as vp,a at smaller injection angles and Ψp at larger injection angles, may run counter to the monotonicity.…”
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446
Characterization of Heavy Metal Ions Removal from Water by Improved Cuttlebone Powder with Magnetic Fe3O4 Nanoparticle as a Bioadsorbent
Published 2025-02-01“…SCP is also characterized by Fourier‐transform infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), Xray diffraction (XRD), and Energy dispersive Xray (EDX) analysis. …”
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447
A Preliminary Study on 2D Convolutional Neural Network-Based Discontinuous Rail Position Classification for Detection on Rail Breaks Using Distributed Acoustic Sensing Data
Published 2024-01-01“…After that, the data in the space–time domain occupied by the train is converted to the spectrogram which is in the frequency domain by using short-time Fourier transformation (STFT). In the third step, the spectrogram images are applied to the proposed 2D convolutional neural network (2D CNN) model and the network detects discontinuous rail positions along the track, which are geometrically distinct from continuous welded rails, such as rail breaks. …”
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448
New insights in large-pores mesoporous silica microspheres for hemostatic application
Published 2025-02-01“…The success of surface modification was investigated by Fourier Transform Infrared spectroscopy (FT-IR) and thermogravimetric analysis (TGA), which confirmed the increase in the amount of surface hydroxyl groups. …”
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449
A multi-institution longitudinal randomised control trial of speaking up: Implications for theory and practice
Published 2024-10-01“…Training in situational awareness is also likely needed to counter human perceptual limitations in complex situations.…”
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450
Halodule uninervis extract facilitates the green synthesis of gold nanoparticles with anticancer activity
Published 2025-02-01“…Thermogravimetric analysis (TGA) and Fourier transform infra-red spectroscopy (FTIR) data confirmed the role of HUE in the capping and stabilization of the manufactured AuNPs. …”
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451
Jack London and White Fang: a lost struggle
Published 2022-04-01“…Only two opioids were discovered, morphine and diacetylmorphine (heroin) both of which could have been derived from the use of common, legal (over-the-counter) flu and cough medications.…”
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452
Spherical harmonics texture extraction for versatile analysis of biological objects.
Published 2025-01-01“…Here, we present Spherical Texture extraction, which measures the variance in intensity per angular wavelength by calculating the Spherical Harmonics or Fourier power spectrum of a spherical or circular projection of the angular mean intensity of the object. …”
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453
Godsdiens en Christelike teologie in die skadu van menslike outonomie: wetenskapsfilosofiese verkenninge
Published 2001-06-01“…In the last section an effort is made to show how Reformed philosophy (preliminary as it may be, yet starting, as it does, from the same belief in God) tries to counter undesirable and detrimental trends in culture, while at the same time stimulating those which can honour God through service in His Kingdom. …”
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454
Geometric morphometric analysis of projectile points from the Southwest United States
Published 2023-09-01“…Various methods from geometric morphometrics were compared to determine which method best reproduced the original classification scheme. Elliptical Fourier analysis was compared with various configurations of semilandmark and landmark analyses using generalized Procrustes analysis. …”
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455
Performance optimization of Maisotsenko cycle heat exchangers: A three-dimensional parametric analysis
Published 2025-03-01“…Additionally, parallel flow configurations outperform counter-flow setups, showing an 18 % higher efficiency and a 20 % increase in the Nusselt number. …”
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456
Use of a Non-Pharmacological Pain Relief Kit to Reduce Opioid Use Following Orthopedic Surgery: A Prospective Randomized Study
Published 2022-08-01“…Both groups reported daily pain (Visual Analogue Scale), opioid use, and over the counter medication use. The treatment group also recorded daily kit modality use…”
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457
Injury, Training, Biomechanical, and Physiological Profiles of Professional Breakdancers
Published 2023-10-01“… # Methods Fourteen breakdancers (breakers) (4 Bgirls, 10 Bboys) participated in an interview regarding their injury and training history, endurance test (cycle VO~2max~ testing), counter movement jump, squat jump, drop jump, isometric hip abduction, adduction, shoulder external and internal rotation strength testing on a fixed-frame dynamometer. …”
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458
Electrospun polyvinylpyrrolidone fibers with cobalt ferrite nanoparticles
Published 2025-04-01“…The samples were characterized using Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, transmission electron microscopy (TEM), and thermogravimetric analysis (TGA). …”
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459
Self-Correction in Free-Running Dual-Comb Spectroscopy With Varying Interferogram Refresh Rates
Published 2025-01-01“…Self-correction offers a promising alternative, though it demands a high refresh rate for interferograms (IGMs), corresponding to the repetition frequency difference, to counter system noise. This study examined the practical effects of self-correction at various refresh rates by measuring <inline-formula><tex-math notation="LaTeX">$\rm H^{13}C^{14}N$</tex-math></inline-formula> absorption. …”
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460
Passing plastic: traces of plastic in the fecal samples of a high Arctic seabird in Tunu (East Greenland)
Published 2025-01-01“…We identified 25 potential microplastic particles (>100 µm in size), 19 of which were analyzed for material composition using Fourier Transform Infrared Spectroscopy and Raman micro-spectroscopy. …”
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