Results 51 to 60 of about 50,073 (217)

Ambiguities in Assigning Single‐Crystal NMR Data to Individual Atoms in the Crystal Structure: A Case Study of Hambergite, Be2BO3OH, by 9Be and 11B NMR Spectroscopy, XRD Measurements and DFT Calculations

open access: yesMagnetic Resonance in Chemistry, Volume 64, Issue 4, Page 400-415, April 2026.
The fundamental question of how to assign NMR resonances to specific atoms in the unit cell is addressed by using the 9Be and 11B spectra of the natural mineral hambergite as a model system. ABSTRACT The NMR interaction tensors of 9Be and 11B of hambergite, Be 2BO 3OH, were derived from single‐crystal NMR experiments.
Jennifer Steinadler   +6 more
wiley   +1 more source

Rapid Intensification and Relative Sea‐Level Rise Amplify Compound Flooding From Hurricanes Harvey and Beryl

open access: yesEarth's Future, Volume 14, Issue 4, April 2026.
Abstract Rapid intensification (RI) of hurricanes and relative sea‐level rise (RSLR, the combined effect of global sea‐level rise and regional land subsidence) exacerbate compound flood risks by increasing the likelihood of coinciding surge and rainfall extremes. However, their combined influence on flooding remains insufficiently understood.
Wonhyun Lee   +2 more
wiley   +1 more source

Method for obtaining and dual-energy processing of X-ray sinograms for identifying low-contrast ubstances in CT using sources with a continuous radiation spectrum

open access: yesКомпьютерная оптика
The article proposes and implements a method of dual-energy CT. The method allows the contrast-enhanced differentiation of one substance from another when substances have similar chemical compositions and densities. In this case, the use of standard dual-
A.A. Komarskiy   +2 more
doaj   +1 more source

Inhibited solid propellant composition containing beryllium hydride [PDF]

open access: yes, 1978
An object of this invention is to provide a composition of beryllium hydride and carboxy-terminated polybutadiene which is stable. Another object of this invention is to provide a method for inhibiting the reactivity of beryllium hydride toward carboxy ...
Thompson, W. W.
core   +1 more source

Comprehensive Flood Impact Assessment Using NLP and BERT Deep Learning for Improved Impact Prediction and Disaster Management

open access: yesWater Resources Research, Volume 62, Issue 4, April 2026.
Abstract Floods are increasing both in frequency and magnitude across different parts of the world. Although technological advances have improved flood forecasting, our understanding of how floods affect communities remains limited. This study develops a multi‐stage framework, integrating Natural Language Processing and the Bidirectional Encoder ...
Akshay Singhal   +2 more
wiley   +1 more source

Occurrence of Cr-bearing beryl in stream sediment from Eskişehir, NW Turkey

open access: yesEarth Sciences Research Journal, 2016
Beryl crystals are found within stream sediments transecting schists in the northeast of Eskişehir, western Anatolia. This paper studied the Eskişehir beryl crystals with optical microscopy, scanning electron microscopy (SEM-EDX), infrared spectroscopy ...
Hülya Erkoyun, Selahattin Kadir
doaj   +1 more source

Co-producing healthcare in a volume vs. value-based healthcare system: perspective of a parent of a patient and a health professions’ educator [PDF]

open access: yes, 2019
The Institute for Healthcare Improvement’s Triple Aim framework represents an approach to optimizing a health system’s performance by focusing on improving the patient experience of care, improving the health of populations, and reducing healthcare costs.
Caron, Rosemary M.
core   +3 more sources

Volumetric mediations: Atmospheres of crisis and unbelonging in humanitarian drone documentaries

open access: yesArea, Volume 58, Issue 1, March 2026.
Short Abstract This paper contributes to scholarship on drones’ more‐than‐military realms as they pertain to the atmospheres they create in visual culture. Focusing on two humanitarian drone documentaries, Ai Weiwei's Human Flow (2017) and Morgan Knibbe's Those Who Feel the Fire Burning (2014), I examine how their drone cinematography visualises the ...
Beryl Pong
wiley   +1 more source

FTIR study of aquamarines after gamma irradiation, heat treatment and electrodiffusion

open access: yesREM: International Engineering Journal
Beryl, Be3Al2(SiO3)6, is a natural gemstone with many colors. Some of these colors can be induced or modified by exposure to ionizing radiation, by heating, and maybe by electrodiffusion. Small contents of chromophore chemical elements are related to the
Danielle Gomides Alkmim   +2 more
doaj   +1 more source

Minerals in Afghanistan : gemstones of Afghanistan [PDF]

open access: yes, 2007
Afghanistan and gemstones have been inextricably linked for 6500 years and the country remains rich in precious and semiprecious gemstone deposits (Figure 1). Lapis lazuli, mined in the Hindu Kush since the Neolithic Period, was transported along the
Benham, Antony John, McIntosh, Robert
core  

Home - About - Disclaimer - Privacy