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34821
Quantitative and O2 Enhanced MRI of the Pathologic Lung: Findings in Emphysema, Fibrosis, and Cystic Fibrosis
Published 2007-01-01“…The purpose of this review is to present a short overview of the relaxation mechanisms of the lung and the current technical concepts of T1 mapping and methods of oxygen enhanced MR imaging. Material and Methods: molecular oxygen has weak paramagnetic properties so that an increase in oxygen concentration results in shortening of the T1 relaxation time and thus to an increase of the signal intensity in T1 weighted images. …”
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34822
Clinical profile and outcomes analysis of HIV infection
Published 2024-10-01“…The study aimed to analyze the clinical profile and disease outcomes of HIV patients. Material and methods This descriptive study included 200 HIV-positive patients, aged 20-70 years, attending or admitted to the study center. …”
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34823
Surgical site infections prevalence among caesarean section patients
Published 2024-12-01“…The aim of this retrospective study is to determine the prevalence of wound infection and the prevalence of bacterial isolates in post-Cesarean section and its sensitivity to variant antibiotics. Material and methods: Samples were collected from patients who had developed wound infection following cesarean section and cultured on blood, chocolate and chromatic agar. …”
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34824
Experimental Study on MICP Aqueous Solution under the Action of Different Organic Substrates
Published 2020-01-01“…After 14 days of grouting reaction, it was found that the proportion of calcite-type calcium carbonate produced under the action of egg white was the highest, and the Ca element accounted for 66.24% in the solidified material. Sucrose was second; bovine serum albumin was the lowest. …”
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34825
Preparation of quaternary ammonium-modified silica and its adsorption of vanadium(V)
Published 2025-01-01“…In this study, a quaternary ammonium modified silica(SiO2@DMOA) material was synthesized for the adsorption of vanadium(Ⅴ) in aqueous solution. …”
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34826
Particle breakage characteristics of calcareous sand under confined compression tests
Published 2025-01-01“…Abstract Calcareous sand is a widely used foundation material in marine engineering. Particle breakage can lead to an increase in its compressibility, affecting the safety and stability of structures. …”
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34827
Does treatment with somatostatin analogs differ in the uptake of normal target organs and malignant lesions on 68Ga-DOTATATE PET/CT imaging?
Published 2022-08-01“…This study aims to investigate the effect of SSAs on Somatostatin receptor imaging. Material and Method: We retrospectively analyzed 253 patients who underwent 68Ga-DOTATATE PET/CT imaging between 2018 and 2022. …”
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34828
Genetics polymorphism of poplars from Moscow region based on high-throughput sequencing of ITS
Published 2018-08-01“…It can be speculated that highly polymorphic plant material was used for planting poplars in Moscow. For some sites with SNPs, several variants of nucleotides were found in the same individual and the ratio of SNPs was different. …”
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34829
Functional Skin Grafts: Where Biomaterials Meet Stem Cells
Published 2019-01-01“…Key challenges include the hierarchical complexity of skin anatomy; compositional mismatch in terms of material properties (stiffness, roughness, wettability) and degradation rate; biological complications like varied cell numbers, cell types, matrix gradients in each layer, varied immune responses, and varied methods of fabrication. …”
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34830
Prediction of the Bending Strength of Boltless Steel Connections in Storage Pallet Racks: An Integrated Experimental-FEM-SVM Methodology
Published 2020-01-01“…Due to many differences in the material, geometry, and assembly method of the commercially available beam-end-connectors in steel storage pallet racks (SPR), no common numerical model has been universally accepted to accurately predict the M–θ behavior of complex semirigid connections so far. …”
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34831
Poplar transformation with variable explant sources to maximize transformation efficiency
Published 2025-01-01“…To maximize the utility of plant material and improve the transformation productivity per unit plant form, we studied the regeneration and transformation efficiency of different types of explants, including leaf, stem, petiole, and root from Populus, a woody perennial bioenergy crop. …”
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34832
The effect of maintenance therapy on Crohn’s disease clinical outcomes
Published 2018-08-01“…To study the effect of maintenance therapy on clinical outcomes of Crohn’s disease (CD) in patients with inflammatory and complicated forms. Material and methods. Five-year prospective study of 210 patients with CD receiving maintenance therapy was carried out. …”
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34833
THE DIGITAL FRONTIER: STRATEGIES AND TOOLS FOR CULTIVATING EDUCATIONAL-STRATEGIC COMPETENCE FOR PRE-SERVICE TEACHERS
Published 2024-06-01“…The authors provide detailed descriptions of language material teaching strategies within the context of intercultural communication. …”
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34834
A Precise Oxide Film Thickness Measurement Method Based on Swept Frequency and Transmission Cable Impedance Correction
Published 2025-01-01“…The experimental results indicate that this method can eliminate the impact of long transmission cables, and the algorithm can mitigate the influence of material conductivity. This method can be utilized to measure oxide film thickness in nuclear power maintenance inspections following extensive testing and engineering optimization.…”
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34835
The Measurement of Neutron Contamination in High Energy X-Ray Radiotherapy Using a He-3 Gas Dosimeter
Published 2024-10-01“…The main object is to assess the neutron contamination with a gas dosimeter containing He-3. Material and Methods: In this study, neutron contamination was estimated at different points in and out of the treatment room. …”
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34836
Risk factors for malignancy in pediatric subacute/chronic focal craniocervical lymphadenopathy
Published 2025-01-01“…AimsTo describe the factors associated with malignancy in otherwise healthy children with focal persistent isolated craniocervical lymphadenopathy at low risk for malignancy, in order to aid in decisions of nodal surgical excision.Material and methodsDemographic and clinical data were retrospectively obtained for children with subacute and chronic craniocervical lymphadenopathy, treated from January 2008 to December 2020 at a general pediatric ambulatory clinic of a tertiary center. …”
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34837
Development and validation of a risk prediction model for PICC-related venous thrombosis in patients with cancer: a prospective cohort study
Published 2025-02-01“…Four risk factors were identified as key predictors of PICC-RVT, including “diabetes requiring insulin (OR: 8.016; 95% CI 1.157–55.536), major surgery (within 1 month and operation time > 45 minutes) (OR: 0.023; 95% CI 1.296–30.77), reduced limb activities of the PICC arm (OR: 6.687; 95% CI 2.024–22.09)” and “catheter material (OR: 3.319; 95% CI 0.940–11.723)”. The nomogram model was developed and internally validated with an area under the receiver operating characteristics curve (AUC) of 0.796 (95% CI 0.707–0.885). …”
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34838
ANFIS-PSO analysis on axisymmetric tetra hybrid nanofluid flow of Cu-CNT-Graphene-Tio2 with WEG-Blood under linear thermal radiation and inclined magnetic field: A bio-medicine app...
Published 2025-01-01“…Objective: Examining the qualities of mass, flow, and heat transmission is the aim of the study of a hybrid Cu-CNT- Graphene-TiO2/WEG-Blood nanofluid as it moves via a tube of porous material that is exposed to linear thermal radiation, inclined magnetic, Forchheimer, and buoyancy influences. …”
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34839
THE USING OF DIGITAL TOOLS IN THE PROJECT ACTIVITIES OF STUDENTS OF PEDAGOGICAL SPECIALTIES OF HIGHER EDUCATION INSTITUTIONS
Published 2024-06-01“…The results of the final monitoring showed significant differences in favor of the developed methodology for providing material to students during the implementation of project activities, which indicates the effectiveness of the introduction of the latest digital tools into the educational process. …”
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34840
Evaluating the Performance of a Diffusive Gradient in Thin Film Embedded with Montmorillonite for the Determination of Labile Cd, Pb, Mn, and Zn in Natural River Water
Published 2020-01-01“…These findings indicate that naturally available montmorillonite can be used as an alternative binding material in DGT probes for the in situ determination of labile metal concentrations in natural watercourses.…”
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