Vaia Stamatopoulou, Evangelia Akoumianaki, Katerina Vaporidi, Efstathios Stamatopoulos, Εumorfia Kondili, Dimitrios Georgopoulos,
... CMV), the driving pressure of the respiratory system (Δ P rs ) serves as a surrogate of transpulmonary driving pressure (Δ P lung ). Expiratory muscle activity that decreases end-expiratory lung volume may impair the validity of Δ P rs to reflect Δ P lung . This prospective observational study in patients ... aimed to investigate: (1) the prevalence of elevated Δ P lung , (2) the Δ P rs -Δ P lung relationship, and (3) whether dynamic transpulmonary ... lung increase. Results In 44,836 occluded breaths, Δ P lung ≥ 12 cmH 2 O was infrequently ...
Tópico(s): Cardiac Arrest and Resuscitation
2024 - BioMed Central | Critical Care
Alyssa F. Harlow, Richard Miech, Adam M. Leventhal,
... and other cannabis products containing psychoactive hemp-derived Δ 8 -tetrahydrocannabinol (THC) are increasingly marketed in the ... marijuana. National data on prevalence and correlates of Δ 8 -THC use and comparisons to marijuana use ... of and sociodemographic and policy factors associated with Δ 8 -THC and marijuana use among US adolescents ... marijuana legalization (yes vs no); and state-level Δ 8 -THC policies (regulated vs not regulated). Main ... and Measures The primary outcome was self-reported Δ 8 -THC and marijuana use in the past ...
Tópico(s): Prenatal Substance Exposure Effects
2024 - American Medical Association | JAMA
Chuanhao Wu, Pat J.‐F. Yeh, Jun Zhou, Jiayun Li, Lulu Zhong, Saisai Wang, Zhengjie Gong, Min Shi, Jiali Ju, Guoru Huang,
... in previous studies by incorporating water storage change (Δ S ) (subtracting Δ S from precipitation) to estimate evapotranspiration (ET) under ... BM (ET 1 ) and the extended BM considering Δ S (ET 2 ) in 32 global river basins ... ET 1 and ET 2 increases linearly with Δ S , with ET 2 < ET 1 (ET 2 > ET 1 ) when Δ S > 0 (Δ S < 0). When both ET 1 and ET ... ET 2 is smaller than ET 1 when Δ S > 0 (Δ S < 0) for all 32 basins considered. When ... diff is controlled by the combined influences of Δ S and R , resulting in more accurate ET ... of the in‐phase, positive‐correlated relationship between Δ S and R .
Tópico(s): Hydrology and Drought Analysis
2024 - Wiley | Water Resources Research
Olivia DeNonno, Alec I. Saville, Jake T. Benzing, Jonah Klemm-Toole, Zhenzhen Yu,
... the solidification conditions and final build compositions. Primary δ-ferrite solidification is predicted based on equilibrium thermodynamic ... AM process promotes solidification mode transition from primary δ-ferrite to primary austenite. Skeletal δ-ferrite and lathy δ-ferrite associated with primary δ-ferrite solidification and interdendritic δ-ferrite with primary austenite solidification were observed among ... wire directed energy deposition walls. Skeletal and interdendritic δ-ferrite exhibited a (001)δ // (001)γ parallel ...
Tópico(s): Welding Techniques and Residual Stresses
2024 - Elsevier BV | Materials Characterization
M. Denika C. Silva, Andrew P. Woodward, A. Fearon, Diana M. Perriman, Trevor J. Spencer, Jacqui M. Couldrick, Jennie M. Scarvell,
... duration of ≤ 3 months that reported change in ( Δ ) (mean change between baseline and immediately after the intervention) knee flexion with Δ pain or Δ function measured using tools that have established MCIC ... analytic models were used to determine relationships between Δ flexion with Δ pain and Δ function after non-surgical interventions and MCIC of ... intervention arms ( k = 61, n = 4516) that reported Δ flexion with Δ pain using the visual analog scale (pain-VAS) and Δ function using the Western Ontario and McMaster Universities ...
Tópico(s): Total Knee Arthroplasty Outcomes
2024 - BioMed Central | Systematic Reviews
M.Z. Wang, Yaodong Pan, Xuejie Shi, Jia-Ling Wu, Peng-Nan Sun,
... diffusive terms into the continuity equations - including the δ-SPH, δ-SPHC, δ-SPHC+, δ-LES-SPH, and δ-SPHF models have gained prominence recently. The numerical ... models remains consistent overall. The Classical WCSPH and δ-LES-SPH models exhibit minimal changes in volume, ... decrease in the mean water level occurring. The δ-SPH, δ-SPHC, δ-SPHC+ models demonstrate decreases in the mean water ... diameter (Δx), indicating favorable volume conservation. Conversely, the δ-SPHF model consistently exhibits a decrease in the ...
Tópico(s): Lattice Boltzmann Simulation Studies
2024 - Elsevier BV | Coastal Engineering
Shuangshuang Cui, Dan Zhang, Yang Gan,
Abstract Rechargeable aqueous Zn/δ‐MnO 2 batteries are extensively investigated owing to the low cost, safety and eco‐friendliness. However, the charge storage mechanism of δ‐MnO 2 electrode is still in debate. In ... is revealed that the Zn 2+ intercalation in δ‐MnO 2 electrode is an ion exchange process ... Zn 2+ irreversibly intercalates into the structure of δ‐MnO 2 . The ion‐exchange mediated irreversible Zn 2+ intercalation in δ‐MnO 2 has no contribution to the capacity of δ‐MnO 2 electrode during cycles. This study further ...
Tópico(s): Supercapacitor Materials and Fabrication
2024 - Wiley | Advanced Energy Materials
Yakui Chen, Shitong Wei, Dong Wu, Shanping Lu,
... 900 °C for 3 h. The mechanism of δ-ferrite decomposition during the aging process at 550 ° ... impact toughness effect was also discussed. The original δ-ferrite for both the AW and SHT weld ... phase, A16Mn6Si7-type G-phase, and more stable δ-ferrite during aging. The coarse σ-phases were distributed at the δ/γ interface and the relatively fine G-phases (A16Mn6Si7) were at the δ/γ interface or inside the δ-ferrite. Si promoted the formation of the G- ... of Cr, Ni, Si, and Mn from the δ-ferrite, and stabilized the remaining δ-ferrite. The ...
Tópico(s): Microstructure and Mechanical Properties of Steels
2023 - Elsevier BV | Materials Science and Engineering A
Yatong Ji, Jieyi Liu, Chen Wang, Fan Zhang, Xiangyang Xu, Liang Zhu,
• Δ G sw a can normalize the stability of AGS . • Microbial and chemical properties were more important for Δ G sw a than physical ones. • Reasonable increase in OLR or HSF reduced Δ G sw a and enhanced stability of AGS. ... thermodynamics, so ∆G of the sludge-water interface ( Δ G sw a ) was proposed to characterize the ... reasonable increase in OLR or HSF could reduce Δ G sw a , and its influence on Δ G sw a had two paths: affecting the ... such as tryptophan and protein-like to affect Δ G sw a (Path 2). These indicators were ...
Tópico(s): Membrane-based Ion Separation Techniques
2023 - Elsevier BV | Water Research
Mohammed Atef, S.I. Nada, Ashraf S. Nawar,
... topological approach to $$\mathcal {CSR}$$ CSR say, $$\varDelta $$ Δ -topological spaces (i.e., $$\varDelta $$ Δ - TS ). Hence, the topological properties for $$\varDelta $$ Δ - TS models such as $$\varDelta $$ Δ -open sets, $$\varDelta $$ Δ -closed sets, $$\varDelta $$ Δ -interior, $$\varDelta $$ Δ -closure, $$\varDelta $$ Δ -boundary, $$\varDelta $$ Δ -neighborhood and $$\varDelta $$ Δ -limit point are studied and the relationships between ...
Tópico(s): Advanced Algebra and Logic
2023 - Springer Science+Business Media | Soft Computing
Katja T. Rinne‐Garmston, Yu Tang, Elina Sahlstedt, Bartosz Adamczyk, Matthias Saurer, Yann Salmon, María del Rosario Domínguez Carrasco, Teemu Hölttä, Marco M. Lehmann, Lan Mo, Giles Young,
Abstract Carbon isotope composition of tree‐ring (δ 13 C Ring ) is a commonly used proxy for environmental change and ecophysiology. δ 13 C Ring reconstructions are based on a solid ... of isotope fractionations during formation of primary photosynthates (δ 13 C P ), such as sucrose. However, δ 13 C Ring is not merely a record of δ 13 C P . Isotope fractionation processes, which are not yet fully understood, modify δ 13 C P during sucrose transport. We traced, how the environmental intra‐seasonal δ 13 C P signal changes from leaves to ...
Tópico(s): Lichen and fungal ecology
2023 - Wiley | Plant Cell & Environment
Gwang‐Bok Kim, Nuri On, Taikyu Kim, Cheol Hee Choi, Jae Seok Hur, Jun Hyung Lim, Jae Kyeong Jeong,
Abstract In this paper, In 0.22 Zn δ Sn 0.78− δ O 1.89− δ ( δ = 0.55) films with a single spinel phase ... transistors (TFTs) with amorphous In 0 .22 Zn δ Sn 0.78− δ O 1.89− δ ( δ = 0.55) channel layers have a reasonable mobility ... TFTs with polycrystalline spinel In 0 .22 Zn δ Sn 0.78− δ O 1.89− δ ( δ = 0.55) channel ...
Tópico(s): Semiconductor materials and devices
2023 - Wiley | Small Methods
Yuwen Zhang, Tao Ouyang, Chaoyu He, Jin Li, Chao Tang,
... novel and stable two-dimensional (2D) ferroelectric materials δ-AsN, δ-SbN, and δ-BiN with spontaneous polarization of up to 5. ... show that the failure temperature of ferroelectricity of δ-AsN, δ-SbN, and δ-BiN is as high as 2000 K, 2000 ... properties. These fascinating ferroelectricity and piezoelectricity features endow δ-AsN, δ-SbN, and δ-BiN with significant ...
Tópico(s): 2D Materials and Applications
2023 - Royal Society of Chemistry | Nanoscale
Dakang Hu, Wenjie Chen, Weiwen Wang, Dongxing Tian, Pan Fu, Ping Ren, Qing Mu, Gang Li, Xiaofei Jiang,
... PLA samples was only observed with c-rmpA . Δ wzi , Δ wzy-K1 , and Δ wzi Δ wzy-K1 strains reverted to hypovirulence. In the ... were found to be equivalent in NTUH-K2044, Δ wzi , Δ wzy-K1 , and Δ wzi Δ wzy-K1 groups. Lower IL-1β and higher tumor necrosis factor-α secretions were observed for Δ wzi , Δ wzy-K1 , and Δ wzi Δ wzy-K1 . ...
Tópico(s): Parasitic Infections and Diagnostics
2023 - Frontiers Media | Frontiers in Cellular and Infection Microbiology
Naiyuan Xi, Zhiyang Ni, Xuewei Fang, You Zhou, Kexin Tang, Hongkai Zhang, Ke Huang,
... applied to reveal the evolution mechanisms of the δ (Ni3Nb) phase and the resultant mechanical responses in ... and aging process, were firstly conducted to produce δ phases with different characteristics. The early evolution of the δ phase was then analyzed in detail via transmission ... also used to verify the strengthen response of δ phase. Moreover, a crystal plasticity finite element (CPFE) model, taking into account the different configurations of δ phase, was developed to study and predict the ... main strengthening phase γ" was constrained by the δ phase, accompanied by the coarsening of γ". The ...
Tópico(s): High Entropy Alloys Studies
2023 - Elsevier BV | International Journal of Plasticity
Chunlin Zhao, Yanli Huang, Xiao Wu, Min Gao, Tengfei Lin, Cong Lin,
... increases linearly with rising x . Electrocaloric temperature change (Δ T ) shows an opposite variation, whereas temperature span ( ... polarization change rate contributes to the decrease in Δ T due to the diffusion phase transition, whereas ... single ferroelectric or paraelectric phase shows a small Δ T but a high variation rate with elevating ... the phase‐transition region that shows a high Δ T . Besides, small electrocaloric strength (Δ T /Δ E ) is obtained in the single‐phase region and increases with elevating E . A high Δ T /Δ E is present in the phase‐ ...
Tópico(s): Dielectric materials and actuators
2023 - Wiley | Journal of the American Ceramic Society
Peizhi Yan, Dong-Xu Wen, Yang Liu, Liang Huang, Xiaoli Yang, Zhicheng Zhang, FuZe Xu, Jianjun Li,
The evolution of microstructure and δ phase (Ni3Nb) in an aging-treated nickel-based superalloy is studied by hot compression tests. Combining with the detailed microstructure observation ... recrystallization (DRX), fracture behaviors and dissolution mechanism of δ phase are characterized and discussed. The results indicate ... effect of DRX on the fracture behaviors of δ phase presents in two mechanisms. On the one hand, the DRXed grains grow towards the fractured δ phase and extrude δ phase, during which the ...
Tópico(s): Microstructure and mechanical properties
2023 - Elsevier BV | Materials Characterization
Tanya Marshall, Daniel M. Sigman, Lisa M. Beal, Alan Foreman, Alfredo Martínez‐García, Stéphane Blain, Ethan C. Campbell, François Fripiat, Robyn Granger, Eesaa Harris, Gerald H. Haug, Dario Marconi, Sergey Oleynik, Patrick A. Rafter, Raymond Roman, Kolisa Sinyanya, Sandi M. Smart, Sarah E. Fawcett,
... is poorly understood. Here, we use nitrate isotopes (δ 15 N, δ 18 O, Δ(15–18) = δ 15 N–δ 18 O) to trace regional water mass circulation ... across the current core. (Sub)tropical thermocline nitrate δ 15 N is lower (4.9–5.8‰) ... likely biased high. In the mixed layer, nitrate δ 15 N and δ 18 O rise in unison, indicating that phytoplankton ... approximate carbon export. Thermocline and mixed‐layer nitrate Δ(15–18) is low, due to both N ... coupled partial nitrate assimilation and nitrification. Similarly low‐Δ(15–18) nitrate in Agulhas rings indicates leakage ...
Tópico(s): Isotope Analysis in Ecology
2023 - Wiley | Journal of Geophysical Research Oceans
H.M. Goetz, K.C. Creutzinger, D.F. Kelton, J.H.C. Costa, Charlotte B. Winder, Diego E. Gómez, D.L. Renaud,
... were greater for calves transported for 12 h (Δ = 0.22 mmol/L NEFA, 95% CI = 0.15 to 0.30; Δ = 0.04 mmol/L BHBA, 95% CI = 0.02 to 0.06) and 16 h (Δ = 0.35 mmol/L NEFA, 95% CI = 0.27 to 0.42; Δ = 0.10 mmol/L BHBA, 95% CI = 0. ... transported for 16 h compared with 6 h (Δ = -15.54 mg/dL, 95% CI = -21.54 ... HCO3- were lower in calves transported for 12 (Δ = -0.09 pH, 95% CI = -0.13 to -0.05; Δ = -1.59 mmol/L HCO3-, 95% CI = -2.61 to -0.56) and 16 h (Δ = -0.07 pH, 95% CI = -0.12 to -0.03; Δ = -1.95 mmol/L HCO3-, 95% CI = -2. ... had a higher concentration of cholesterol and CK (Δ = 0.27 mmol/L cholesterol; 37.18 U/ ...
Tópico(s): Animal Behavior and Welfare Studies
2023 - Elsevier BV | Journal of Dairy Science
Ryan B. Stephens, Oliver N. Shipley, Remington J. Moll,
... stable isotopes requires accurate trophic discrimination factors (TDF; Δ 13 C and Δ 15 N for carbon and nitrogen, respectively), defined ... converged on values of around 1.0‰ for Δ 13 C and 3.4‰ for Δ 15 N but more recent work indicates that ... trophic level and diet source influence variation in Δ 13 C and Δ 15 N. Additionally, we reviewed 358 trophic ecology ... these factors during their TDF selection process. For Δ 13 C, vertebrates showed consistent patterns among tissue ... dietary protein content and metabolic routing). Comparatively, for Δ 15 N, vertebrates showed considerable variation among tissue ...
Tópico(s): Marine and fisheries research
2023 - Wiley | Functional Ecology
Bin Zhu, Qiwei Li, Ye-Cheng Li, Ya-Qiang Xia, Jinglin Liu, Amin Zhou, Xiaomin Zhang,
... sites on a perovskite of La0.5Ce0.5CoO3-δ (Au/La0.5Ce0.5CoO3-δ). Compared with plasma-catalytic systems integrated by LaCoO3 or La0.5Ce0.5CoO3-δ, coupling the Au/La0.5Ce0.5CoO3-δ with plasma enables the boost of toluene conversion ... catalytic system integrated by Au/La0.5Ce0.5CoO3-δ obtains lower Ea of 6.9 kJ/mol ... 9.5 kJ/mol) and La0.5Ce0.5CoO3-δ (8.1 kJ/mol) as well as plasma ... in the plasma coupling Au/La0.5Ce0.5CoO3-δ system. Catalyst characterizations, discharge diagnosis and density functional ... that depositing Au on the La0.5Ce0.5CoO3-δ render the favorable gas and surface reactions for ...
Tópico(s): Industrial Gas Emission Control
2023 - Elsevier BV | Chemical Engineering Journal
Hadi Akbari, Satoshi Kuwano, Yohei Shimokochi,
... electromagnetic tracking system and force plate. The difference (Δ) in 3-dimensional trunk, hip, knee, and ankle ... led to significantly reduced peak knee flexion angle (Δ = 5.35°; P = .002), knee flexion displacement (Δ = 3.89°; P = .015), hip flexion angle at initial contact (Δ = -2.84°; P = .001), peak trunk flexion angle (Δ = 13.11°; P = .006), and center of mass vertical displacement (Δ = -0.02m; P = .010), and increased peak anterior tibial shear force (Δ = -0.72 N/kg; P = .020), trunk lateral flexion angle at initial contact (Δ = 1.55°; P < .0001), peak trunk lateral flexion ...
Tópico(s): Lower Extremity Biomechanics and Pathologies
2023 - SAGE Publishing | Orthopaedic Journal of Sports Medicine
Rui Zhou, Yanru Yin, Hailu Dai, Xuan Yang, Yueyuan Gu, Lei Bi,
... La 0.5 Ba 0.5 MnO 3-δ oxide was prepared using the sol-gel technique. ... La 0.5 Ba 0.5 MnO 3-δ was discovered to be a combination of La 0. 7 Ba 0. 3 MnO 3-δ and BaMnO 3 . The in-situ production of La 0. 7 Ba 0. 3 MnO 3-δ +BaMnO 3 nanocomposites enhanced oxygen vacancy formation compared ... La 0. 7 Ba 0. 3 MnO 3-δ - or BaMnO 3 , providing potential benefits as a ... La 0. 7 Ba 0. 3 MnO 3-δ -+BaMnO 3 nanocomposites were utilized as the cathode ... La 0. 7 Ba 0. 3 MnO 3-δ + BaMnO 3 nanocomposite cathode achieved the highest power ...
Tópico(s): Electronic and Structural Properties of Oxides
2023 - Springer Science+Business Media | Journal of Advanced Ceramics
Mathieu Daëron, William R. Gray,
... different species recording conditions at different depths. Their δ 18 O values record both seawater oxygen‐18 ... according to species‐specific fractionation factors, while their Δ 47 signatures likely depend only on temperature. We ... living depths for planktic species; extracting seawater temperature, δ 18 O, and chemistry from existing databases for ... 600 observations we show that, although most planktic δ 18 O values are consistent with seawater temperature and δ 18 O over their expected living depths, a ...
Tópico(s): Marine Biology and Ecology Research
2023 - Wiley | Paleoceanography and Paleoclimatology
Luyao Han, Yaokang Wu, Yameng Xu, Chenyang Zhang, Yanfeng Liu, Jianghua Li, Guocheng Du, Xueqin Lv, Long Liu,
As a vitamin E isomer, δ-tocotrienol has attracted much attention owing to its rich biological activities for human health, especially anticancer activities. Microbial biosynthesis constitutes a promising strategy of δ-tocotrienol production owing to its economic and environmental ... strategies to reconstruct and optimize a de novo δ-tocotrienol biosynthesis pathway in Saccharomyces cerevisiae. Subsequently, the ... and the key enzymes were assembled in the δ-tocotrienol biosynthesis module to develop a substrate channeling ...
Tópico(s): Antioxidant Activity and Oxidative Stress
2023 - Springer Science+Business Media | Systems Microbiology and Biomanufacturing