Results 11 to 20 of about 62,822 (157)

Investigating István Mayer's “improved” definitions of bond orders and free valence for correlated singlet‐state wave functions

open access: yesInternational Journal of Quantum Chemistry, 2021
Chosen from István Mayer's very impressive canon of important work on bond orders and related quantities, we explore a paper from 2012 which introduced a “ pseudo spin density matrix ” for correlated singlet-state wave functions, leading to “ improved ...
D. L. Cooper, R. Ponec, P. Karadakov
semanticscholar   +1 more source

The Orbital Origins of Chemical Bonding in Ge−Sb−Te Phase‐Change Materials

open access: yesAngewandte Chemie, 2022
Layered phase‐change materials in the Ge−Sb−Te system are widely used in data storage and are the subject of intense research to understand the quantum‐chemical origin of their unique properties.
Jan Hempelmann   +3 more
semanticscholar   +1 more source

Peripheral Perfusion Index in Ugandan Children With Plasmodium falciparum Severe Malaria: Secondary Analysis of Outcomes in a 2014-2017 Cohort Study. [PDF]

open access: yesPediatr Crit Care Med
OBJECTIVES: Continuous, noninvasive tools to monitor peripheral perfusion, such as perfusion index (PI), can detect hemodynamic abnormalities and assist in the management of critically ill children hospitalized with severe malaria.
Boland W   +8 more
europepmc   +2 more sources

The Orbital Origins of Chemical Bonding in Phase-Change Materials

open access: yes, 2021
Layered phase-change materials in the Ge–Sb–Te-system are widely used in data storage and are the subject of intense research to understand the elusive quantum-chemical origin of their unique properties.
Jan Hempelmann   +3 more
semanticscholar   +1 more source

Multicenter External Validation of the Deep Pelvic Endometriosis Index Magnetic Resonance Imaging Score

open access: yesJAMA Network Open, 2023
Key Points Question Does the Deep Pelvic Endometriosis Index (dPEI) magnetic resonance imaging (MRI) score accurately predict operation time, hospital stay, and postoperative complications in a cohort of women undergoing surgery for deep pelvic ...
I. Thomassin-Naggara   +15 more
semanticscholar   +1 more source

The synergistic effect of the triglyceride-glucose index and serum uric acid on the prediction of major adverse cardiovascular events after coronary artery bypass grafting: a multicenter retrospective cohort study

open access: yesCardiovascular Diabetology, 2023
Background Elevated serum uric acid (SUA) is regarded as a risk factor for the development of cardiovascular diseases. Triglyceride-glucose (TyG) index, a novel surrogate for insulin resistance (IR), has been proven to be an independent predictor for ...
Zhenguo Wu   +10 more
semanticscholar   +1 more source

Triglyceride-glucose index is associated with the occurrence and prognosis of cardiac arrest: a multicenter retrospective observational study

open access: yesCardiovascular Diabetology, 2023
Background Triglyceride-glucose (TyG) index is an efficient indicator of insulin resistance and is proven to be a valuable marker in several cardiovascular diseases. However, the relationship between TyG index and cardiac arrest (CA) remains unclear. The
Boshen Yang   +10 more
semanticscholar   +1 more source

Crystal Orbital Bond Index: Covalent Bond Orders in Solids

open access: yes, 2021
The crystal orbital bond index (COBI) is a new and intuitive method for quantifying covalent bonding in solid-state materials.
Peter C. Müller   +3 more
semanticscholar   +1 more source

Green Bond Index Prediction Based on CEEMDAN-LSTM

open access: yesFrontiers in Energy Research, 2022
Green bonds, which are designed to finance for environment-friendly or sustainable projects, have attracted more and more investors’ attention. However, the study in this field is still relatively limited, especially in forecasting the market’s future ...
Jiaqi Wang, Jiulin Tang, Kun Guo
semanticscholar   +1 more source

ROX index and SpO2/FiO2 ratio for predicting high-flow nasal cannula failure in hypoxemic COVID-19 patients: A multicenter retrospective study

open access: yesPLoS ONE, 2022
Background The ratio of oxygen saturation (ROX) index, defined as the ratio of oxygen saturation (SpO2)/fraction of inspired oxygen (FiO2) to respiratory rate, can help identify patients with hypoxemic respiratory failure at high risk for intubation ...
Jin Hyoung Kim   +7 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy