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Munir, H., C. F. Lee y M. C. Ong. "Global analysis of floating offshore wind turbines with shared mooring system". IOP Conference Series: Materials Science and Engineering 1201, n.º 1 (1 de noviembre de 2021): 012024. http://dx.doi.org/10.1088/1757-899x/1201/1/012024.
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Abstract Floating wind turbines (FWTs) with shared mooring systems can be one of the most cost- effective solutions in reducing mooring costs. First, the static configuration of a shared line is estimated using the elastic catenary equation. The present study investigates the global responses of two FWT with a shared mooring system. Two shared mooring configurations with different horizontal distances between the FWTs are considered. In the first configuration, the FWTs are placed 750m apart; and in the second configuration, they are placed 1000m apart. Two different environmental conditions (ECs) are used to simulate the global responses of the system in time domain. The shared mooring line results in higher extreme motions in surge and sway (degree of freedoms) DOFs due to the reduction of mooring restoring stiffness. The lower mooring restoring stiffness can be attributed to the reduction of one seabed anchoring point for each FWT as compared to a single FWT with three anchors installed. In the rotational DOFs, the shared mooring line configurations result in slight mean offset in each direction and significant increase in the motion standard deviations. This is caused by the reduced mooring stiffness associated with the change in platform orientation.
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Djenane, Mohamed, Rafik Demagh y Farid Hammoud. "Rotation of Stresses in French Wheel Tracking Test". Civil Engineering Journal 8, n.º 3 (1 de marzo de 2022): 438–53. http://dx.doi.org/10.28991/cej-2022-08-03-03.
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The main function of a pavement is to distribute the traffic-induced load over its different layers. While the flexible pavement design methods are based on a linear elastic calculation, the real behavior of the different layers is highly non-linear and elastic. They can also, in some cases, be plastic and viscous. This research aims to develop a three-dimensional numerical model that is closely similar to the test FWTT conditions. The model will have a real geometry wheel footprint (rather than a rectangular shape). As a substitute for incremental loading, the wheel movement during its passage over the specimen will be simulated by a horizontal displacement. These important characteristics of the model represent the novelty and the major difference between the current research and previous studies. The current model, which is based on the finite elements method, uses Abaqus software and a viscoelastic constitutive model. The materials' viscoelastic properties have been described by the Prony series, also called the relaxation modulus, which is a function of time. This parameter can be defined in most computer-aided engineering (CAE) software. The procedure for calculating the Prony series from experimental data is explained. The results obtained agree with the stress signal amplitude, the stress rotation principal, and the total displacement rotation when the load approaches the node considered and located in the middle of the specimen. Doi: 10.28991/CEJ-2022-08-03-03 Full Text: PDF
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Gabr, Mohamed Elsayed, Madleen Salem, Hani Mahanna y Mohamed Mossad. "Floating Wetlands for Sustainable Drainage Wastewater Treatment". Sustainability 14, n.º 10 (17 de mayo de 2022): 6101. http://dx.doi.org/10.3390/su14106101.
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The preservation of water resources in modern urbanized society is a major concern. In this study, a floating constructed wetland (FWT) pilot plant was designed and constructed for the treatment of a polluted wastewater drain. A series of experiments were run continuously for a year in pilot-scale FWTs in a semi-arid area located in Egypt’s Delta. Four aquatic plant species (Eichhornia, Ceratophyllum, Pistia stratiotes, and Nymphaea lotus) were used to assess the performance of FWTs for pollutant removals, such as biochemical oxygen demand (BOD), chemical oxygen demand (COD), total suspended solids (TSS), total nitrogen (TN), total phosphorus (TP), electrical conductivity (EC), and total dissolved solids (TDS), from drainage wastewater to reuse the treated effluent in irrigation practices. The FWT systems were fed drainage tainted water on a weekly basis, and the concentrations and removal efficiency were assessed in the experiments. The average reduction in BOD, COD, TSS, TDS, TN, EC, and TP were 76–86%, 61–80%, 87–95%, 36.6–44.1%, 70–97%, 37–44%, and 83–96%, respectively. ANOVA with Post-HOC t-tests show that the Eichhornia, Pistia stratiotes, and Nymphaea lotus have the highest BOD and COD removal performance, whereas Pistia stratiotes and Nymphaea lotus have the highest TN and TP removal performance. In all cases, the Nymphaea lotus performed well in terms of pollutant removal. In addition, a design procedure for a FWT systems is presented. For wastewater treatment, FWT systems have proven to be a low-cost, long-term option.
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Farid, Hafiz Muhammad Athar, Muhammad Riaz y Gustavo Santos Garcia. "T-spherical fuzzy information aggregation with multi-criteria decision-making". AIMS Mathematics 8, n.º 5 (2023): 10113–45. http://dx.doi.org/10.3934/math.2023512.
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<abstract><p>T-spherical fuzzy sets (T-SPFSs) have gained popularity because of their ability to account for uncertainty more effectively and spanning a larger domain. The sum of the t-$ th $ power of membership grades in T-SPFSs is close to a unit interval, allowing for greater uncertainty. As a result, this set outperforms traditional fuzzy structures. The "multi-criteria decision-making" (MCDM) approach is a widely used technique that requires the use of some aggregation tools, and various such aggregation operators (AOs) have been developed over the years to achieve this purpose. The purpose of this paper is to propose some new operational laws and AOs for use in a T-spherical fuzzy environment. In this regard, we presented some new neutral or fair operational rules that combine the concept of proportional distribution to provide a neutral or fair solution to the membership, abstinence, and non-membership of T-spherical fuzzy numbers (T-SPFNs). Based on the obtained operational rules, we presented the "T-spherical fuzzy fairly weighted average operator" and the "T-spherical fuzzy fairly ordered weighted averaging operator". Compared to earlier methodologies, the proposed AOs provide more generalised, reliable, and accurate information. In addition, under T-SPFSs, an MCDM approach is developed employing suggested AOs with several decision-makers (DMs) and partial weight details. Finally, to demonstrate the applicability of the innovative technique, we give an actual case study of "food waste treatment technology" (FWTT) selection under T-SPFSs scenarios. A comparison with an existing model has also been undertaken to confirm the validity and robustness of the acquired results.</p></abstract>
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Rapley, E. A., R. Barfoot, C. Bonaïti-Pellié, A. Chompret, W. Foulkes, N. Perusinghe, A. Reeve et al. "Evidence for susceptibility genes to familial Wilms tumour in addition to WT1, FWT1 and FWT2". British Journal of Cancer 83, n.º 2 (julio de 2000): 177–83. http://dx.doi.org/10.1054/bjoc.2000.1283.
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Evans, Annan Boah, Aidoo Borsah Abraham y Brantson Eric Thompson. "Integrated Reservoir Characterisation for Petrophysical Flow Units Evaluation and Performance Prediction". Open Chemical Engineering Journal 13, n.º 1 (29 de octubre de 2019): 97–113. http://dx.doi.org/10.2174/1874123101913010097.
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Introduction: An improved understanding of complex clastic reservoirs has led to more detailed reservoir description using integrated approach. In this study, we implemented cluster analysis, geostatistical methods, reservoir quality indicator technique and reservoir simulation to characterize clastic system with complex pore architecture and heterogeneity. Methods: Model based clustering technique from Ward’s analytical algorithm was utilised to transform relationship between core and calculated well logs for paraflow units (PFUs) classification in terms of porosity, permeability and pore throat radius of the reservoir. The architecture of the reservoir at pore scale is described using flow zone indicator (FZI) values and the significant flow units characterized adopting the reservoir quality index (RQI) method. The reservoir porosity, permeability, oil saturation and pressure for delineated flow units were distributed stochastically in 2D numerical models utilising geostatistical conditional simulation. In addition, production behaviour of the field is predicted using history matching. Dynamic models were built for field water cut (FWCT), total field water production (FWPT) and field gas-oil-ratio (FGOR) and history matched, considering a number of simulation runs. Results: Results obtained showed a satisfactory match between the proposed models and history data, describing the production behaviour of the field. The average FWCT peaked at 78.9% with FWPT of 10 MMSTB. Consequently, high FGOR of 6.8 MSCF/STB was obtained. Conclusion: The integrated reservoir characterisation approach used in this study has provided the framework for defining productive zones and a better understanding of flow characteristics including spatial distribution of continuous and discrete reservoir properties for performance prediction of sandstone reservoir.
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Prachgosin, Tulaya, Wipawan Leelasamran, Pruittikorn Smithmaitrie y Surapong Chatpun. "Effect of total-contact orthosis on medial longitudinal arch and lower extremities in flexible flatfoot subjects during walking". Prosthetics and Orthotics International 41, n.º 6 (19 de febrero de 2017): 579–86. http://dx.doi.org/10.1177/0309364617691621.
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Background: Total-contact orthosis (TCO) is one kind of foot orthosis (FO) that is used to adjust biomechanics in flexible flatfoot. Objective: To determine the effects of a TCO on the MLA moment, MLA deformation angle and lower limb biomechanics. Study Design: Cross-sectional study. Methods: Seven-flatfoot and thirteen-normal foot subjects were recruited by footprint and radiographs. The biomechanics of subjects with normal foot (NF), flatfoot with shoe only (FWOT) and flatfoot with TCO (FWT) were collected in a 3D motion analysis laboratory and force plates. The MLA and lower limb biomechanics in each condition during specific sub-phases of stance were analyzed. Results: The NF had larger MLA eversion moment after shod walking ( p = 0.001). The FWT condition compared with the FWOT condition had a significantly larger peak MLA upward moment ( p = 0.035) during pre-swing, larger peak knee external rotation angle ( p = 0.040) during mid stance, smaller peak knee extension moment during terminal stance ( p = 0.035) and a larger ground reaction force in the anterior-posterior direction during early stance ( p < 0.05). Conclusion: Our study found positive effects from the customized TCOs which included an increased TCO angle that led to a decreased peak MLA moment in the frontal plane in flexible flatfoot subjects during walking. Clinical relevance Lower limb biomechanics is different from normal in subjects with flexible flatfoot. The design of a TCO affects MLA, ankle and knee biomechanics and may be used to clinically correct biomechanical changes in flexible flatfoot.
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Gaches, Whitney G., Glenn B. Fain, Donald J. Eakes, Charles H. Gilliam y Jeff L. Sibley. "Comparison of Aged and Fresh WholeTree as a Substrate Component for Production of Greenhouse-Grown Annuals". Journal of Environmental Horticulture 29, n.º 1 (1 de marzo de 2011): 39–44. http://dx.doi.org/10.24266/0738-2898-29.1.39.
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Abstract WholeTree (WT) is a potential renewable greenhouse substrate component created by chipping and milling all aboveground portions of a pine tree (Pinus taeda L.). While research regarding the viability of WT as an alternative substrate component is widely available to growers, the potential benefits of aging WT remain unclear. The growth of Dreams White petunia (Petunia ×hybrida ‘Dreams White’) and Little Hero Yellow marigold (Tagetes patula ‘Little Hero Yellow’) in 1:1 (by vol) fresh WT:peat (FWTP) and 1:1 (by vol) aged WT:peat (AWTP), as well as physical properties of AWTP and FWTP were evaluated. For Experiment 1, AWTP had 17.6% particles greater than 3.2 mm as opposed to 12.4% for FWTP. In Experiment 2, this trend was reversed with 8.1% of AWTP particles greater than 3.2 mm and 20.4% for FWTP. For Experiment 1, AWTP had 90.5% total porosity (TP) as compared to 94.4% with FWTP. Air Space (AS) for AWTP was less than FWTP; AWTP had 10% more container capacity (CC) than FWTP. Bulk Density (BD) was similar in Experiment 1. There was no difference in TP in Experiment 2; however, all other physical properties followed a similar trend to Experiment 1. In both experiments marigolds grown in AWTP generally had a lower leachate pH and a higher EC than those grown in FWTP; a trend which was similar in petunia although differences were not present throughout the entire study. Marigolds grown in AWTP had 33% more blooms and 44% greater dry weight than those grown in FWTP, a trend similar in petunias. Aged WT in this study provided a more suitable substrate component for greenhouse grown marigolds and petunias than fresh WT.
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Pan, Jie, Li-Ping Li, Chang-Qing Yu, Zhu-Hong You, Zhong-Hao Ren y Jing-Yu Tang. "FWHT-RF: A Novel Computational Approach to Predict Plant Protein-Protein Interactions via an Ensemble Learning Method". Scientific Programming 2021 (22 de julio de 2021): 1–11. http://dx.doi.org/10.1155/2021/1607946.
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Protein-protein interactions (PPIs) in plants are crucial for understanding biological processes. Although high-throughput techniques produced valuable information to identify PPIs in plants, they are usually expensive, inefficient, and extremely time-consuming. Hence, there is an urgent need to develop novel computational methods to predict PPIs in plants. In this article, we proposed a novel approach to predict PPIs in plants only using the information of protein sequences. Specifically, plants’ protein sequences are first converted as position-specific scoring matrix (PSSM); then, the fast Walsh–Hadamard transform (FWHT) algorithm is used to extract feature vectors from PSSM to obtain evolutionary information of plant proteins. Lastly, the rotation forest (RF) classifier is trained for prediction and produced a series of evaluation results. In this work, we named this approach FWHT-RF because FWHT and RF are used for feature extraction and classification, respectively. When applying FWHT-RF on three plants’ PPI datasets Maize, Rice, and Arabidopsis thaliana (Arabidopsis), the average accuracies of FWHT-RF using 5-fold cross validation were achieved as high as 95.20%, 94.42%, and 83.85%, respectively. To further evaluate the predictive power of FWHT-RF, we compared it with the state-of-art support vector machine (SVM) and K-nearest neighbor (KNN) classifier in different aspects. The experimental results demonstrated that FWHT-RF can be a useful supplementary method to predict potential PPIs in plants.
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Maali Amiri, Mojtaba, Milad Shadman y Segen F. Estefen. "A Review of Numerical and Physical Methods for Analyzing the Coupled Hydro–Aero–Structural Dynamics of Floating Wind Turbine Systems". Journal of Marine Science and Engineering 12, n.º 3 (24 de febrero de 2024): 392. http://dx.doi.org/10.3390/jmse12030392.
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Recently, more wind turbine systems have been installed in deep waters far from the coast. Several concepts of floating wind turbine systems (FWTS) have been developed, among which, the semi-submersible platform—due to its applicability in different water depths, good hydrodynamic performance, and facility in the installation process—constitutes the most explored technology compared to the others. However, a significant obstacle to the industrialization of this technology is the design of a cost-effective FWTS, which can be achieved by optimizing the geometry, size, and weight of the floating platform, together with the mooring system. This is only possible by selecting a method capable of accurately analyzing the FWTS-coupled hydro–aero–structural dynamics at each design stage. Accordingly, this paper provides a detailed overview of the most commonly coupled numerical and physical methods—including their basic assumptions, formulations, limitations, and costs used for analyzing the dynamics of FWTS, mainly those supported by a semi-submersible—to assist in the choice of the most suitable method at each design phase of the FWTS. Finally, this article discusses possible future research directions to address the challenges in modeling FWTS dynamics that persist to date.
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Han, S. T., J. K. So, K. H. Jang, Y. M. Shin, J. H. Kim, S. S. Chang, N. M. Ryskin y G. S. Park. "Investigations on a Microfabricated FWTWT Oscillator". IEEE Transactions on Electron Devices 52, n.º 5 (mayo de 2005): 702–8. http://dx.doi.org/10.1109/ted.2005.845795.
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Wang, G., J. A. Brink y M. W. Vannier. "Theoretical FWTM values in helical CT". Medical Physics 21, n.º 6 (junio de 1994): 753–54. http://dx.doi.org/10.1118/1.597334.
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Bernardo, Ana Paula, M. Auxiliadora Bajo, Olivia Santos, Gloria Del Peso, Maria João Carvalho, António Cabrita, Rafael Selgas y Anabela Rodrigues. "Two-in-One Protocol: Simultaneous Small-Pore and Ultrasmall-Pore Peritoneal Transport Quantification". Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis 32, n.º 5 (septiembre de 2012): 537–44. http://dx.doi.org/10.3747/pdi.2011.00175.
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BackgroundReduced free water transport (FWT) through ultrasmall pores contributes to net ultrafiltration failure (UFF) and should be seen as a sign of more severe functional deterioration of the peritoneal membrane. The modified peritoneal equilibration test (PET), measuring the dip in dialysate Na concentration, estimates only FWT. Our aim was to simultaneously quantify small-solute transport, FWT, and small-pore ultrafiltration (SPUF) during a single PET procedure.MethodsWe performed a 4-hour, 3.86% glucose PET, with additional measurement of ultrafiltration (UF) at 60 minutes, in 70 peritoneal dialysis patients (mean age: 50 ± 16 years; 61% women; PD vintage: 26 ± 23 months). We calculated the dialysate-to-plasma ratios (D/P) of creatinine and Na at 0 and 60 minutes, and the Na dip (DipD/PNa60,), the delta dialysate Na 0–60 (ΔDNa0–60), FWT, and SPUF.ResultsSodium sieving (as measured by ΔDNa0–60) correlated strongly with the corrected DipD/PNa60, ( r = 0.85, p < 0.0001) and the corrected FWT ( r = 0.41, p = 0.005). Total UF showed better correlation with FWT than with indirect measurements of Na sieving ( r = 0.46, p < 0.0001 for FWT; r = 0.360, p < 0.0001 for DipD/PNa60,). Corrected FWT fraction was 0.45 ± 0.16. A negative correlation was found between time on PD and both total UF and FWT ( r = -0.253, p = 0.035 and r = -0.272, p = 0.023 respectively). The 11 patients (15.7%) diagnosed with UFF had lower FWT (89 mL vs 164 mL, p < 0.05) and higher D/P creatinine (0.75 vs 0.70, p < 0.05) than did the group with normal UF. The SPUF correlated positively with FWT in the normal UF group, but negatively in UFF patients ( r = -0.709, p = 0.015). Among UFF patients on PD for a longer period, 44.4% had a FWT percentage below 45%.ConclusionsMeasurement of FWT and SPUF is feasible by simultaneous quantification during a modified 3.86% glucose PET, and FWT is a decisive parameter for detecting causes of UFF in addition to increased effective capillary surface.
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Zhang, Xian-Yang, Lisa To, Jakob Reiser, Charles S. Hemenway, Michel W. Sadelain y Vincent F. La Russa. "Strategies for Therapeutic Peptide Delivery by Mesenchymal Stem Cells". Blood 112, n.º 11 (16 de noviembre de 2008): 863. http://dx.doi.org/10.1182/blood.v112.11.863.863.
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Abstract More than 50% of infants with ALL have leukemic blast cells that contain MLL fusion genes with reciprocal translocation t(4;11)(q21;q23). We have shown that AF4 and AF9 form a stable protein complex in the nucleus and that the mutual interaction domains of the two proteins are present within MLL fusion proteins (Erfurth et al., 2004). Mapping of the protein interaction domains reveals that a small, highly conserved portion of the AF4 molecule is necessary and sufficient to bind AF9. To test the significance of the AF4-AF9 protein interaction, we developed small synthetic peptides capable of interfering with AF4-AF9 binding in vitro. The peptides mimic the amino acid sequence of the AF9 binding domain within AF4 and compete with AF4 to block AF9 binding. We have shown that the synthetic peptide PFWT (P=Penetratin linked to FWT=LWVKIDLDLLSR) disrupts AF4-AF9 protein complexes and kills t(4;11) MV4;11 cells but not MOLT-4 leukemia cells or healthy CD34+ cells in vitro (Srinivasan et al., 2004). We are now developing new strategies for the use of MSC as an alternative to deliver recombinant FWT peptide directly to leukemia cells in an artificial local microrenvironment in vitro. In these new studies we designed HIV-1 based lentiviral vectors encoding FWT peptide (NL-FLAGHA2-FWT-9R) and CXCL12/FWT (NL-CXCL12-FCS-FLAG-HA2-FWT-9R) and examined whether recombinant peptide produced by modified MSC, modulate cell cycle and the growth kinetics of leukemic cells with t(4;11) translocation in vitro. Co-culture systems that promote direct cell-to-cell contact were first established with untransduced MSC or MSC modified to produce recombinant FWT and seeded with MV4;11 leukemia cells (1:1 ratio). MSC transduced with Lentiviral-Control vectors showed 2.8% killing of MV4;11 leukemia cells. The addition of suboptimal concentrations, 5μg/ml, synthetic PFWT peptide, caused 17.4% killing of MV4;11 leukemia cells. Recombinant FWT peptide produced endogenously by FWT-MSC also showed 19.5% killing. When suboptimal concentrations, 5 μg/ml synthetic PFWT peptide was added back to these co-cultures containing FWT-MSC, MV4;11 leukemia cell killing was further markedly enhanced >10 fold to 44% showing more than an addetive effect by synthetic PFWT peptide and endogenous recombinant FWT. Endogenous FWT produced by CXCL112/FWT MSC was also able to kill 20% of MV4;11 leukemia cells in the absence of PFWT synthetic peptide. Co-culture studies utilizing the control MOLT-4 leukemia cells that lack the t(4;11) translocation indicated that endogenous FWT produced by FWT transduced MSC or CXCL12/FWT transduced MSC, alone, or with additional 5μg/ml or 25μg/ml synthetic PFWT peptide, showed no significant killing of MOLT-4 leukemia cells. In summary, we have shown that FWT recombinant peptide is synthesized and released from MSC transduced with lentiviral vectors, NL-FLAG-HA2-FWT-9R or NL-CXCL12-FCS-FLAG-HA2-FWT-9R. The data demonstrate sufficient transfer of recombinant FWT peptide from both types of FWT-transduced MSCs to kill leukemic cells in vitro.These studies support the further development of MSC-mediated delivery of recombinant cytotoxic peptides to target leukemia.
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G. Savakar, Dayanand y Shivanand Pujar. "Digital Image Watermarking Using DWT and FWHT". International Journal of Image, Graphics and Signal Processing 10, n.º 6 (8 de junio de 2018): 50–67. http://dx.doi.org/10.5815/ijigsp.2018.06.06.
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Rahman, N., Fatima Abidi, Deborah Ford, Laura Arbour, Elizabeth Rapley, Patricia Tonin, David Barton et al. "Confirmation of FWT1 as a Wilms’ tumour susceptibility gene and phenotypic characteristics of Wilms’ tumour attributable to FWT1". Human Genetics 103, n.º 5 (26 de noviembre de 1998): 547–56. http://dx.doi.org/10.1007/pl00008708.
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Rout, Pramodini, Shovna Singh, Nikhil Kumar y Uday Chand Basak. "Nutritional and antioxidant potential of some selected edible mangrove fruits of Odisha coast". International Journal of Advances in Scientific Research 1, n.º 9 (30 de octubre de 2015): 349. http://dx.doi.org/10.7439/ijasr.v1i9.2624.
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Keeping in mind the growing need for alternative bionutrition resources, some mangrove fruits are popularized for their edible and medicinal properties. Nutritional and antioxidant point of view, there is no concrete report on mangrove fruits. Therefore, the present study was attempted to assess nutritional parameters viz. moisture, protein, total sugar, reducing sugar, non-reducing sugar, carotenoid, fiber, ash and ascorbic acid in mangrove fruits of Bruguiera gymnorrhiza, Rhizophora apiculata and Kandelia candel and elemental and antioxidant analysis of the same. Fruit of K. candel exhibited highest level of three nutritional parameters i.e protein, total sugar and non-reducing sugar content (15.61.11 mg/g fwt, 396.674.16 mg/g fwt, 383.933.57 mg/g fwt. respectively) whereas lowest amount was observed in B. gymnorrhiza (4.40 mg/g fwt for protein and 1086.9 mg/g fwt. for total sugar and 103.866.81 mg/g fwt. for non-reducing sugar). The reducing sugar and fiber content were ranged from 4.130.23 mg/g fwt. to 27.001.0 mg/g fwt and 0.75810.006 g/g dry wt. to 0.80610.001 g/g dry wt. respectively. Furthermore, the moisture and ash content was highest in B. gymnorrhiza and lowest in R. apiculata. It was found that the fruit with highest antioxidant activity was seen in B. gymnorrhiza and lowest recorded in K. candel. Likewise carotenoid content was highest in R. apiculata (3.530.28 mg/g fwt.) and lowest in K. candel (1.731.37 mg/g fwt.). Highest ascorbic acid content was recorded in B. gymnorrhiza (0.530.02 mg/g fwt.) and lowest in R. apiculata (0.350.03 mg/g fwt.). Fruit of R. apiculata was found rich in micronutrient among all the studied species. Nutrient analysis of these mangrove fruits can help us determining health benefits achieved from their use as an emergency as well as famine food and may play major role in bio-prospecting of mangroves.
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Nugroho, Adrianto Dwi. "THE APPLICATION OF SIMPLICITY CONCEPT OF TAXATION ON FINAL INCOME TAX REGIME IN INDONESIA". Mimbar Hukum - Fakultas Hukum Universitas Gadjah Mada 26, n.º 3 (8 de febrero de 2015): 546. http://dx.doi.org/10.22146/jmh.16036.
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The Final Withholding Tax (hereinafter, FWHT) requires certain taxable income to be taxed in accordance with special rules that differ from the calculation of income taxes in general, and thus, disregarding the payer’s ability to pay. One concept upheld in justifying FWHT is simplicity. However, the concept has not been defined clearly in FWHT regime in Indonesia. The study shows that conceptually, there are two definitions of simplicity in understanding its manifestation in FWHT regime in Indonesia. However, these definitions have deviated from the Pay As You Earn (PAYE) concept, which provides basis for any withholding system in taxation. Pajak Penghasilan (selanjutnya, PPh) Final menghendaki objek PPh tertentu dipungut pajaknya berdasarkan penghitungan yang berbeda dengan penghitungan PPh umum, sehingga tidak dihitung menurut kemampuan membayar dari Wajib Pajak tersebut. Salah satu konsep yang dapat menjustifikasi penyimpangan tersebut adalah kesederhanaan dalam pemungutan pajak. Namun demikian, konsep ini tidak memiliki pemaknaan yang jelas dalam pemungutan PPh Final di Indonesia. Hasil penelitian menunjukkan bahwa secara konseptual terdapat beberapa pemaknaan konsep kesederhanaan yang dapat digunakan dalam memahami rezim PPh Final di Indonesia. Namun demikian, makna konsep kesederhanaan ini menyimpang dari konsep Pay As You Earn, yang mendasari rezim PPh Pemotongan, termasuk yang bersifat final.
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GONÇALVES, BRUNO. "SOME ASPECTS OF THE EXACT FOLDY-WOUTHUYSEN TRANSFORMATION FOR A DIRAC FERMION". International Journal of Modern Physics A 24, n.º 08n09 (10 de abril de 2009): 1717–20. http://dx.doi.org/10.1142/s0217751x09045297.
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The Foldy-Wouthuysen transformation (FWT) is used to separate distinct components of relativistic spinor field, e.g. electron and positron. Usually, the FWT is perturbative, but in some cases there is an involution operator and the transformation can be done exactly. We consider some aspects of an exact FWT and show that, even if the theory does not admit an involution operator, one can use the technique of exact FWT to obtain the conventional perturbative result. Several particular cases can be elaborated as examples.
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Hwnag, Jiwoo, Hwang Youngtaek, Minsu Kim y Hoyoung Yoo. "Area-efficient Partially-parallel FWHT Processor for OFDM/CDMA Communication". Journal of the Institute of Electronics and Information Engineers 60, n.º 11 (30 de noviembre de 2023): 72–79. http://dx.doi.org/10.5573/ieie.2023.60.11.72.
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Rama Seshagiri Rao Channapragada, Durga Lakshmi Nukineedi y Munaga V. N. K. Prasad. "Digital Watermarking Algorithm Based on CCC - FWHT Technique". International Journal of Advancements in Computing Technology 4, n.º 18 (31 de octubre de 2012): 593–99. http://dx.doi.org/10.4156/ijact.vol4.issue18.70.
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Yuana, Rosihan Ari, Dewanto Harjunowibowo y Nugroho Karyanta. "FWAT (Fast Wartegg Analyzer Tool) for Personality Identification". Advanced Science Letters 21, n.º 10 (1 de octubre de 2015): 3114–17. http://dx.doi.org/10.1166/asl.2015.6519.
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Dinç, Erdal y Dumitru Baleanu. "Ultra-Performance Liquid Chromatography for the Multicomponent Analysis of a Ternary Mixture Containing Thiamine, Pyridoxine, and Lidocaine in Ampules". Journal of AOAC INTERNATIONAL 95, n.º 3 (1 de mayo de 2012): 903–12. http://dx.doi.org/10.5740/jaoacint.11-199.
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Abstract New chemometric approaches based on the application of partial least squares (PLS) and principal component regression (PCR) algorithms with fractional wavelet transform (FWT) and continuous wavelet transform (CWT) are proposed for the spectrophotometric multicomponent determination of thiamine hydrochloride (B1), pyridoxine hydrochloride (B6), and lidocaine hydrochloride (LID) in ampules without any separation step. In this study PLS and PCR techniques were applied to the raw spectral data, FWT-coefficients, and FWT-CWT-coefficients. These calibration models were labeled as Raw-PLS and Raw-PCR, FWT-PLS and FWT-PCR, and FWT-CWT-PLS and FWT-CWT-PCR, respectively. A new ultra-performance liquid chromatographic (UPLC) method was developed for the comparison of the results obtained by applying the chemometric calibration methods. Chromatographic separation and determination of B1, B6, and LID in ampules were performed on an Acquity UPLC® BEH C18 column (50 × 2.1 mm id, 1.7 μm particle size) using gradient elution with a mobile phase consisting of methanol and 0.01 M HCl at a constant flow rate of 0.6 mL/min. These combined chemometric calibrations and UPLC were validated by analyzing various ternary mixtures, B1, B6, and LID. The proposed chemometric approaches (signal processing-multivariate calibrations) and UPLC method were applied to the quantitative multicomponent analysis of marketed ampules containing the vitamins B1 and B6 with LID.
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Barreto, Deirisa Lopes, Denise E. Sampimon, Dirk G. Struijk y Raymond T. Krediet. "Early Detection of Imminent Encapsulating Peritoneal Sclerosis: Free Water Transport, Selected Effluent Proteins, or Both?" Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis 39, n.º 1 (enero de 2019): 83–89. http://dx.doi.org/10.3747/pdi.2017.00194.
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Background No diagnostic tool or methodology is currently available for early detection of imminent encapsulating peritoneal sclerosis (EPS). The objective of this study was to investigate the predictive value of free water transport (FWT) and construct a panel of peritoneal effluent proteins for EPS alone or in combination with FWT. These parameters could be incorporated in the follow-up of peritoneal dialysis (PD) patients. Methods A case-control study, nested in a longitudinal PD patient cohort, was conducted. Time-specific areas under the receiver operating characteristic (ROC) curve were calculated for FWT and effluent biomarkers at a lag time up to 3 years before EPS diagnosis. Free water transport was combined with appearance rates (AR) of biomarkers to assess their clinical validity. Results Free water transport volume and AR of effluent bio-markers were investigated in 11 EPS patients and 34 long-term PD patients. Diagnostic performance was best for FWT (area under the curve [AUC] 0.94) followed by plasminogen activator inhibitor (PAI-1) AR. Throughout, diagnostic panels of FWT and AR of cancer antigen 125 (CA125), interleukin-6 (IL-6), or (PAI-1) yielded specificity estimates above 84%. The combination of FWT and PAI-1 AR identified the largest proportion of EPS patients at 1 year prior to diagnosis (sensitivity 100%, specificity 94%). Conclusion Measurement of FWT is simple and has the highest predictive value for imminent EPS. The addition of effluent biomarkers provides an all-round insight into the state of the peritoneum. Our data indicate that combining FWT with either PAI-1, CA125, or IL-6 has the highest specificity. This is required to avoid unnecessary discontinuation of PD treatment.
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Thompson, BC, DW Dellow y TN Barry. "The effect of selection for fleece weight upon urea metabolism and digestive function in Romney sheep". Australian Journal of Agricultural Research 40, n.º 5 (1989): 1065. http://dx.doi.org/10.1071/ar9891065.
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The effect of 30 years genetic selection for greasy fleece weight upon rumen metabolism, apparent digestibility and nitrogen metabolism was investigated in Romney sheep.Fleece weight (Fwt) animals had a 1 mM lower plasma urea concentration than control (C) animals when fed on both diets given, but there was no difference in plasma urea IRL, urinary urea excretion or urea recycling to the digestive tract between the Fwt and C sheep when fed either diet. Relative to the C shccp, the Fwt animals had a higher creatinine clearance rate when fed the meadow hay diet, and a higher urea clearance rate when fed both diets.When fed the meadow hay diet there were no differences between the Fwt and C animals in voluntary feed intake (VFI) or apparent DM digestibility. However, when fed on the lucerne chaff diet the Fwt animals had a higher VFI than the C animals and a lower apparent DM digestibility. These changes were associated with an increase in the rumen fractional outflow rate (FOR) of lignin in the Fwt sheep, and a higher molar proportion of acetate and a lower proportion of propionate in rumen fluid.The differences in urea and creatinine clearance rates suggest that selection for fleece production may have altered kidney function, with expression of this and rumen FOR being related to nutritional level. A factor contributing to the superior wool production of the Fwt sheep is suggested.
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Shi, Lizhen, Xiaoling Huang, Safdar Abbas, Zong Qian Yang y Li Huang. "Relationships Between Perceived Usefulness and Fitness Wearable Technology User Adoption Mediated by Culture, Gender, and COVID-19: A Meta-Analysis". Quality in Sport 8, n.º 1 (7 de diciembre de 2022): 55–69. http://dx.doi.org/10.12775/qs.2021.08.01.005.
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With COVID-19 raging and individuals exercising at home, the adoption of fitness wearable technology (FWT) that help people monitor their physical state has become a pressing matter. Here, we try to bridge the gap that no researcher has examined the link between perceived usefulness (PU) and FWT adoption by using meta-analysis to comprehend the detailed numerical values and moderating factors affecting the relationship. A total of 24 articles with 7180 re-pendants were investigated from January 1, 2015 to March 1, 2022 A.D, producing significant results as follows: (1) There is publication bias in relevant research, and sensitivity analysis suggests that PU influences FWT adoption positively; (2) Subgroup test and regression analysis suggested that cultural background, gender, and COVID-19 can deepen this relationship to varying degrees. More precisely, female (r=0.669) have a greater impact on FWT adoption than men (r=0.658). In addition, users in other countries (r=0.670) are more concerned about PU than Chinese users (r=0.658). Regression analysis showed that after the COVID-19 outbreak, the coefficient (r=0.762) of PU on FWT adoption increased significantly, indicating that people need FWT-assisted exercise to understand and maintain their own physical fitness. The research opens up new ideas for different governments and scholars to promote mass fitness and public health during the COVID-19, providing a reference for the scientific research and development of PU and marketing promotion of the related enterprises’ FWT.
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Shi, Lizhen, Xiaoling Huang, Safdar Abbas, Zong Qian Yang y Li Huang. "Relationships Between Perceived Usefulness and Fitness Wearable Technology User Adoption Mediated by Culture, Gender, and COVID-19: A Meta-Analysis". Quality in Sport 8, n.º 1 (7 de diciembre de 2022): 55–69. http://dx.doi.org/10.12775/qs.2022.08.01.005.
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With COVID-19 raging and individuals exercising at home, the adoption of fitness wearable technology (FWT) that help people monitor their physical state has become a pressing matter. Here, we try to bridge the gap that no researcher has examined the link between perceived usefulness (PU) and FWT adoption by using meta-analysis to comprehend the detailed numerical values and moderating factors affecting the relationship. A total of 24 articles with 7180 re-pendants were investigated from January 1, 2015 to March 1, 2022 A.D, producing significant results as follows: (1) There is publication bias in relevant research, and sensitivity analysis suggests that PU influences FWT adoption positively; (2) Subgroup test and regression analysis suggested that cultural background, gender, and COVID-19 can deepen this relationship to varying degrees. More precisely, female (r=0.669) have a greater impact on FWT adoption than men (r=0.658). In addition, users in other countries (r=0.670) are more concerned about PU than Chinese users (r=0.658). Regression analysis showed that after the COVID-19 outbreak, the coefficient (r=0.762) of PU on FWT adoption increased significantly, indicating that people need FWT-assisted exercise to understand and maintain their own physical fitness. The research opens up new ideas for different governments and scholars to promote mass fitness and public health during the COVID-19, providing a reference for the scientific research and development of PU and marketing promotion of the related enterprises’ FWT.
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Fornari, Chiara, Francesco Mori, Nicola Zoppi, Ilenia Libri, Chiara Silvestri, Maura Cosseddu, Rosanna Turrone et al. "Diagnostic Accuracy of the Five-Word Test for Mild Cognitive Impairment Due to Alzheimer’s Disease". Neurology International 14, n.º 2 (6 de abril de 2022): 357–67. http://dx.doi.org/10.3390/neurolint14020029.
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New diagnostic methods have been developed for the early diagnosis of Alzheimer’s disease (AD) with the primary purpose of intercepting the transition-phase (mild cognitive impairment, MCI) between normal aging and dementia. We aimed to explore whether the five-word test (FWT) and the mini-mental state examination (MMSE) are predictive for the early diagnosis of MCI due to AD (AD-MCI). We computed ROC analyses to evaluate the sensitivity and specificity of MMSE and FWT in predicting abnormal CSF (t-Tau, p-Tau181, Aβ1–42) and amyloid-PET biomarkers. AD-MCI patients showed lower MMSE and FWT scores (all p < 0.001) than non-AD-MCI. The best predictor of amyloid plaques’ presence at amyloid-PET imaging was the encoding sub-score of the FWT (AUC = 0.84). Both FWT and MMSE had low/moderate accuracy for the detection of pathological CSF Aβ42, t-Tau and p-Tau181 values, with higher accuracy for the t-Tau/Aβ1–42 ratio. In conclusion, the FWT, as a single-domain cognitive screening test, seems to be prompt and moderately accurate tool for the identification of an underlying AD neuropathological process in patients with MCI, supporting the importance of associating biomarkers evaluation in the work-up of patients with dementing neurodegenerative disorders.
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Qiao, Dongsheng y Jinping Ou. "Mooring Line Damping Estimation for a Floating Wind Turbine". Scientific World Journal 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/840283.
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The dynamic responses of mooring line serve important functions in the station keeping of a floating wind turbine (FWT). Mooring line damping significantly influences the global motions of a FWT. This study investigates the estimation of mooring line damping on the basis of the National Renewable Energy Laboratory 5 MW offshore wind turbine model that is mounted on the ITI Energy barge. A numerical estimation method is derived from the energy absorption of a mooring line resulting from FWT motion. The method is validated by performing a 1/80 scale model test. Different parameter changes are analyzed for mooring line damping induced by horizontal and vertical motions. These parameters include excitation amplitude, excitation period, and drag coefficient. Results suggest that mooring line damping must be carefully considered in the FWT design.
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Amano, T. "76 Clock MUTANT MICE HAVING A DIMINISHED CIRCADIAN CLOCK SHOW ABNORMAL IMPLANTATION". Reproduction, Fertility and Development 29, n.º 1 (2017): 145. http://dx.doi.org/10.1071/rdv29n1ab76.
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The circadian clock involves co-operative transcription of circadian genes including Clock and regulates circadian rhythms in mammals such as the rhythm of sleep and wakefulness. In reproductive physiologies in mammals, there are several time-dependent events such as progression of the oestrous cycle and embryonic development, and we therefore checked the reproductive characters of mice homozygous for Clock delta-19 mutation (CL) having a diminished circadian clock to elucidate the effect of the circadian clock on reproductive physiologies. Profiles of the oestrous cycle were the same in female (f) wild-type mice (WT) and fCL: oestrous cycles of both fWT and fCL consisted of the same 3 stages, proestrous, oestrous, and metestrous/diestrous stages, and the average lengths of each stage and one oestrous cycle were the same in 10 fWT and 14 fCL. We therefore compared outcomes from the 4 possible mating groups between WT and CL. Average numbers of newborn pups obtained from mating pairs of 14 male (m) WT × fWT, 10 mCL × fWT, 14 mWT × fCL, and 15 mCL × fCL were 13.4 ± 0.8, 12.6 ± 0.4, 12.3 ± 0.7, and 8.6 ± 1.5, respectively, and gradually decreased depending on the number of mutated Clock alleles in mothers and embryos. Since increases in body weights of the mothers during the gestation period were not different in the 4 mating groups and since there were no signs of spontaneous abortion from mid to late gestation, we reasoned that some embryos were lost before or at the time of implantation. Immediately before implantation (88 h after fertilization), neither the number of embryos collected from uteri nor the percentage of embryos that reached the pre-implantation stage (blastocyst stage) differed significantly among mating groups. In contrast, immediately after implantation (160 h after fertilization), the average numbers of implantation sites in mating pairs of 12 mWT × fWT, 11 mCL × fWT, 13 mWT × fCL, and 13 fCL × fCL were 13.0 ± 1.5, 13.1 ± 1.2, 11.7 ± 0.8, and 7.0 ± 1.3, respectively, and also gradually decreased with increase in the number of mutated Clock alleles in mothers and embryos. This decrease was accompanied by a significant lowering of the positions of implantation sites in uteri, a possible cause of the decrease of the number of newborns and implantation sites, and average percentages of embryos implanted in a lower part of the uterus were 48.8, 59.3, 69.7, and 77.7% in mWT × fWT, mCL × fWT, mWT × fCL, and mCL × fCL, respectively. The difference between the mCL × fWT and mWT × fWT groups was statistically significant (P < 0.05), and this difference was thought to be due to the difference in embryonic genotype, specifically between WT and heterozygous embryos. However, the distribution of implantation sites in the mWT × fCL group was significantly smaller than that in the mCL × fWT group (P < 0.05), presumably due to the difference in maternal genotype, specifically between WT and homozygous mutant dams. This study showed involvement of the circadian clock, possibly the maternal and embryonic circadian clock, in implantation among events that occur from fertilization to parturition.
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Adeyeye, Kehinde A., Nelson Ijumba y Jonathan S. Colton. "Multi-Parameter Optimization of Efficiency, Capital Cost and Mass of Ferris Wheel Turbine for Low Wind Speed Regions". Energies 14, n.º 19 (29 de septiembre de 2021): 6217. http://dx.doi.org/10.3390/en14196217.
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The design and development of wind turbines in low-wind-speed areas involves several technical and financial challenges related to maximizing conversion efficiency and minimizing cost. Unfortunately, much of the African continent is dominated by low-wind-speed resources. In this study, a multi-parameter optimization method is used to explore the design of a novel Ferris wheel wind turbine (FWT) technology, which has an 800-kW generation capability. We used the tip speed ratio, lift-to-drag ratio and power coefficient to determine the optimal efficiency by varying the number of blades and rim diameters. The capital cost estimates, as affected by rim diameter and the number of blades, are presented. This paper studies FWTs at their rated wind speeds because wind turbines have their maximum performance at the rated wind speeds, and this allows one to observe the effects of changing the rim diameter and the number of blades without the need to consider the location of the turbine. The results show that reducing the number of spokes by half (from 64 to 32) on the four rim diameters studied decreases the efficiency by less than 0.19%, while reducing the acquisition cost by 42%, installation cost by 42% and mass by 28%. Reducing the number of spokes to a quarter (i.e., from 32 to 16) decreases the efficiency by less than 0.31%, reduces the acquisition and installation costs by 36% and 35.5%, respectively, and the mass by 19.2%, of the four rim diameters studied. The reduction of the number of blades has a significant effect on the efficiency and capital cost with varying rim diameters. This paper shows the potential for Ferris-wheel-based wind turbines for low-wind-speed conditions, such as those that prevail in parts of Africa.
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Larivière-Lajoie, Anne-Sophie, Pascal Laforge, Antony Tony Vincent, Simon Binggeli, Dany Cinq-Mars, Frédéric Guay, Frédéric Raymond, Antoni Dalmau y Linda Saucier. "Preslaughter feed withdrawal time and its effect on rabbit blood measures, gastrointestinal tract parameters and Longissimus lumborum glycolytic potential". World Rabbit Science 31, n.º 4 (26 de diciembre de 2023): 237–61. http://dx.doi.org/10.4995/wrs.2023.19177.
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This study aimed to characterise the physiological response of rabbits to feed withdrawal without stress caused by crating and transport to the slaughterhouse. A total of 72 recently weaned Grimaud rabbits were allocated into 12 cages, each with 6 rabbits (3 females and 3 males, to reflect commercial practices). A preslaughter feed withdrawal time (FWT) was randomly assigned to each of the 12 cages (t=0, 3, 6, 8, 10, 12, 14, 16, 18, 20, 22 or 24 h). Blood lactate and cortisol concentrations were measured at exsanguination. These observations did not indicate an elevated level of stress in the rabbits (P>0.05). The maximum Longissimus lumborum glycolytic potential was observed for rabbits that fasted for 3 and 6 h and was relatively stable from 127.78 to 139.04 μmol/g for rabbits with FWT longer than 12 h. As expected, gastrointestinal tract and stomach content weights were lower for rabbits with longer FWT (P<0.0001), while caecum weights did not (P=0.051). Rabbits with longer FWT had lower stomach pH and higher caecum pH (both P<0.0001). Metataxonomic 16S analysis revealed that FWT had a significant effect (all P<0.01) on microbiome beta diversity in faeces and caecum. The polymerase chain reaction analysis using specific primers revealed Enterobacteriaceae presence in the faeces of male rabbits only at 18 and 22 h. Our results suggest that the caecotrophic behaviour of rabbits allows them to be particularly resistant to hunger despite their small size. However, to limit Enterobacteriaceae shedding, the FWT should not exceed 18 h.
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Talukder, Md Shamim, Raymond Chiong, Yukun Bao y Babur Hayat Malik. "Acceptance and use predictors of fitness wearable technology and intention to recommend". Industrial Management & Data Systems 119, n.º 1 (4 de febrero de 2019): 170–88. http://dx.doi.org/10.1108/imds-01-2018-0009.
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Purpose The purpose of this paper is to identify the key facilitators and inhibitors of fitness wearable technology (FWT) adoption and the intention to recommend this technology. Design/methodology/approach An innovative and integrated research model was developed by combining constructs from two well-established theoretical models, the extended unified theory of acceptance and use of technology (UTAUT2) and diffusion of innovation (DOI). The proposed research model was empirically validated using data collected from 392 respondents in China. The data was analyzed using the partial least squares method, a statistical analysis technique based on structural equation modeling. Findings The results indicate that performance expectancy, effort expectancy, social influence, habit, compatibility and innovativeness have significant direct and indirect effects on FWT adoption and the intention to recommend it. The significance of people’s intention to recommend FWT to others in social networking sites (e.g. Facebook, Weibo, and WeChat) is also confirmed. Practical implications The findings may facilitate the design and implementation of FWT products, applications and functionalities that can achieve high consumer acceptance and positive recommendations in social networks. Originality/value This study is among the first to investigate FWT adoption from behavioral, social and environmental perspectives. It also highlights the importance of social marketing campaigns and suggests directions of future wearable technology adoption research.
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Molteberg, Dag y Olav Høibø. "Modelling of wood density and fibre dimensions in mature Norway spruce". Canadian Journal of Forest Research 37, n.º 8 (agosto de 2007): 1373–89. http://dx.doi.org/10.1139/x06-296.
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Basic density (BD), fibre length (FL), fibre width (FW), and fibre wall thickness (FWT) were investigated in 46 Norway spruce ( Picea abies (L.) Karst.) trees from five different stands in eastern Norway. From each tree, wood samples were collected in different radial and longitudinal positions. Random coefficient mixed models were used to investigate variation within as well as among trees, both within and among stands. The R2 with random effects included, describing the best possible (individual) fit of the observed data to the models, were 0.90 for BD, 0.99 for FL, 0.88 for FW, and 0.91 for FWT. With only fixed effects, the best model explained 56% of the total variation for BD, 94.5% for FL, 61% for FW, and 63% for FWT. A common model for all trees, without tree and site information, predicted FL well but BD, FW, and FWT poorly. Adding site index, breast height diameter, and tree height to the models reduced the residual variance considerably for FW, FWT, and particularly BD, whereas only a minor improvement was gained for FL. The latter type of models might be easier to use for industrial purposes. Although information about ring width gave further improvements, ring width measurements are time consuming and difficult to perform in the forest and in industrial environments.
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Chaves, Vitor Tonzar, Dione Mari Morita, Iara Regina Soares Chao y Ronan Cleber Contrera. "Phosphorus recovery from sewage with a sustainable and low-cost treatment system". Water Science and Technology 80, n.º 5 (1 de septiembre de 2019): 846–54. http://dx.doi.org/10.2166/wst.2019.332.
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Abstract This study proposes a technology conceived based on an integrative approach that aims to promote phosphorus recovery and to recycle ferric water treatment sludge (FWTS), using it as a phosphorus adsorbent which may be applied as a soil ameliorant after reaching saturation. The assessed pilot plant operated with a daily influent flow of 360 litres and presented a removal efficiency of 94.4% ± 3.2% for chemical oxygen demand (COD) and of 91.2% ± 7.8% for suspended solids. It also presented promising results for phosphorus removal. The maximum efficiency of dissolved reactive phosphorus removal was 95% on the first day and it decreased until reaching adsorbent saturation. The estimated breakthrough time was one year in the condition in which the filling medium of a second constructed wetland was only FWTS. In this situation, the effluent phosphorus concentration was 0.2 mg·L−1. The authors concluded that the application of FWTS in a constructed wetland bed is an interesting alternative. Batch adsorption experiments were run using phosphorus stock solution. Langmuir and Freundlich adsorption isotherm models were obtained for different initial pH values. The maximum adsorption capacity decreased as the initial pH was increased; values ranged from 4.76 mg P·g−1 (pH = 3.9) to 1.44 mg P·g−1 (pH = 9.0).
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Choi, Ji-Young, Sung-Min Son y Se-Hee Park. "A Backward Walking Training Program to Improve Balance and Mobility in Children with Cerebral Palsy". Healthcare 9, n.º 9 (9 de septiembre de 2021): 1191. http://dx.doi.org/10.3390/healthcare9091191.
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Background: We studied the effects of motor tasks using backward walking training on balance and gait functions of children with cerebral palsy. This was a single-blinded, randomized controlled trial with a crossover design conducted at a single facility. Methods: Among 12 children with cerebral palsy, the forward (FWG) (n = 6) and backward walking groups (BWG) (n = 6) underwent training three times a week for 4 weeks, 40 min a day. After a 6-week break, the crossover training was conducted. Functional walking variables were measured. Time-Up-and-Go (TUG) test, Figure-8 Walk Test (FW8T), and Pediatric Balance Scale (PBS) were used for measuring balance. Results: Both groups showed significant improvement in walking speed, stride length, and step length. The BWG demonstrated significant improvement in walking speed (p < 0.05) compared with the FWG. The TUG test, FW8T, and PBS showed significant improvement. After the 4-week intervention, both groups displayed a remarkable decrease in TUG duration and FW8T. Both groups also exhibited improvement in the PBS; more so in the BWG. Conclusions: Backward walking training with motor dual tasks could be a more effective interventional approach than forward walking training to improve balance and walking functions of children with spastic hemiplegia.
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Khanam, Tahmina, Pranab Kumar Dhar, Saki Kowsar y Jong-Myon Kim. "SVD-Based Image Watermarking Using the Fast Walsh-Hadamard Transform, Key Mapping, and Coefficient Ordering for Ownership Protection". Symmetry 12, n.º 1 (26 de diciembre de 2019): 52. http://dx.doi.org/10.3390/sym12010052.
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Proof of ownership on multimedia data exposes users to significant threats due to a myriad of transmission channel attacks over distributed computing infrastructures. In order to address this problem, in this paper, an efficient blind symmetric image watermarking method using singular value decomposition (SVD) and the fast Walsh-Hadamard transform (FWHT) is proposed for ownership protection. Initially, Gaussian mapping is used to scramble the watermark image and secure the system against unauthorized detection. Then, FWHT with coefficient ordering is applied to the cover image. To make the embedding process robust and secure against severe attacks, two unique keys are generated from the singular values of the FWHT blocks of the cover image, which are kept by the owner only. Finally, the generated keys are used to extract the watermark and verify the ownership. The simulation result demonstrates that our proposed scheme is highly robust against numerous attacks. Furthermore, comparative analysis corroborates its superiority among other state-of-the-art methods. The NC of the proposed method is numerically one, and the PSNR resides from 49.78 to 52.64. In contrast, the NC of the state-of-the-art methods varies from 0.7991 to 0.9999, while the PSNR exists in the range between 39.4428 and 54.2599.
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Rahman, N., L. Arbour, R. Houlston, C. Bonaiti-Pellie, F. Abidi, J. Tranchemontagne, D. Ford et al. "Penetrance of Mutations in the Familial Wilms Tumor Gene FWT1". JNCI Journal of the National Cancer Institute 92, n.º 8 (19 de abril de 2000): 650–52. http://dx.doi.org/10.1093/jnci/92.8.650.
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El-Mahallawy, Mohamed y Adly Tag Eldien. "Performance enhancement of UWA-OFDM communication systems based on FWHT". International Journal of Communication Systems 32, n.º 16 (29 de agosto de 2019): e3979. http://dx.doi.org/10.1002/dac.3979.
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Islam, S., MA Hoque, MAMY Khandoker, NG Saha y A. Akhtar. "Estimation of effect of breeding bulls and genetic parameters on early growth performance of calves at farm and field levels". Bangladesh Journal of Animal Science 42, n.º 2 (31 de diciembre de 2013): 81–88. http://dx.doi.org/10.3329/bjas.v42i2.18484.
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The present study was conducted using records on four breeding bulls maintained at the Artificial Insemination (AI) Center of Bangladesh Agricultural University (BAU), Mymensingh and on 154 of their progeny maintained at BAU Dairy Farm (112) and some villages (42 progeny) adjacent to BAU for estimating the effect of breeding bulls and genetic parameters on early growth performance of the progeny at farm and field levels. Genetic correlations between traits of bulls and their progeny were also estimated. Bull traits were metabolic body weight (MWT), feed intake (FI) and residual feed intake (RFI) where progeny traits were birth weight (BWT), final body weight (FWT) at 90 days of age and average daily gain (ADG). Mean BWT of progeny at farm and field level was 16.34±1.85 to 17.62±1.97 kg and 13.89±2.78 to 16.11±2.98 kg, respectively. The FWT at farm progeny was 48.9±2.87 to 55.67±2.14 kg whereas 43.43±2.50 to 52.22±3.34 kg for field progeny. The ADG at farm and field progeny was 0.36±0.03 to 0.43±0.01 and 0.32±0.03 to 0.42±0.03 kg, respectively. The BWT and FWT of farm progeny were significantly (p>0.05) higher than the progeny of field level. Breeding bulls had significant (p<0.05) effect on FWT and ADG for both of the farm and field progeny. Estimated heritability was found to be moderate in case of BWT (0.32±0.19), but low for FWT (0.26±0.18) and ADG (0.29±0.20) for pooled average. The genetic correlation between bulls MWT and BWT was high (rg=0.54±0.17), but low with FWT(rg=0.26±0.18) and ADG (rg=0.28±0.23). Moderate in daily FI of bulls was genetically correlated with BWT (0.45±0.22), FWT (0.38±0.24) and ADG (0.35±0.25) for their progeny, while low but favorable negative genetic correlation (rg=-0.13±0.17) was observed between ADG of progeny and RFI of bulls. The negative correlation for RFI with ADG suggested that selection might result in better success in improving herd production efficiency without compromising progeny growth performance. DOI: http://dx.doi.org/10.3329/bjas.v42i2.18484 Bang. J. Anim. Sci. 2013. 42 (2): 81-88
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Zhang, Huixin, Shuji Liu, Shuigen Li, Xiaoe Chen, Min Xu, Yongchang Su, Kun Qiao et al. "The Effects of Four Different Thawing Methods on Quality Indicators of Amphioctopus neglectus". Foods 13, n.º 8 (17 de abril de 2024): 1234. http://dx.doi.org/10.3390/foods13081234.
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Amphioctopus neglectus is a species of octopus that is favored by consumers due to its rich nutrient profile. To investigate the influence of different thawing methods on the quality of octopus meat, we employed four distinct thawing methods: air thawing (AT), hydrostatic thawing (HT), flowing water thawing (FWT), and microwave thawing (MT). We then explored the differences in texture, color, water retention, pH, total volatile basic nitrogen (TVB–N), total sulfhydryl content, Ca2+–ATPase activity, and myofibrillar protein, among other quality indicators in response to these methods, and used a low-field nuclear magnetic resonance analyzer to assess the water migration that occurred during the thawing process. The results revealed that AT had the longest thawing time, leading to oxidation-induced protein denaturation, myofibrillar protein damage, and a significant decrease in water retention. Additionally, when this method was utilized, the content of TVB–N was significantly higher than in the other three groups. HT, to a certain extent, isolated the oxygen in the meat and thus alleviated protein oxidation, allowing higher levels of Ca2+–ATPase activity, sulfhydryl content, and springiness to be maintained. However, HT had a longer duration: 2.95 times that of FWT, resulting in a 9.84% higher cooking loss and a 28.21% higher TVB–N content compared to FWT. MT had the shortest thawing time, yielding the lowest content of TVB–N. However, uneven heating and in some cases overcooking occurred, severely damaging the protein structure, with a concurrent increase in thawing loss, W value, hardness, and shear force. Meanwhile, FWT improved the L*, W* and b* values of octopus meat, enhancing its color and water retention. The myofibrillar protein (MP) concentration was also the highest after FWT, with clearer subunit bands in SDS-PAGE electrophoresis, indicating that less degradation occurred and allowing greater springiness, increased Ca2+–ATPase activity, and a higher sulfhydryl content to be maintained. This suggests that FWT has an inhibitory effect on oxidation, alleviating protein oxidation degradation and preserving the quality of the meat. In conclusion, FWT outperformed the other three thawing methods, effectively minimizing adverse changes during thawing and successfully maintaining the quality of octopus meat.
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Ita, Okon, Edet, Chinedu Ikenna Ndubuka, Aniefiok Livinus, Asuquo Ini-Obong, Mfonobong Umana y Ubong Thompson Idiok. "The Application of Water Alternating Gas Injection to Maximize Oil Recovery in the Niger Delta". Journal of Engineering Research and Reports 26, n.º 3 (6 de marzo de 2024): 174–89. http://dx.doi.org/10.9734/jerr/2024/v26i31103.
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One of the most significant challenges for extending production life in mature waterflood fields is high water cut. Couple with high reservoir heterogeneity, extensive layering and faulting, these fields often developed irregular flood patterns after decades of production which compounded the challenge of optimizing recovery from these fields. The severity of this problem has been observed in the Niger Delta oil fields, where several matured fields are producing at high water cut after many years of waterflooding. This study aimed to determine the viability of Water Alternating Gas (WAG) injection in comparison with Waterflooding and Gas injection methods for optimum oil recovery of an oil field in Niger Delta. WAG injection had a maximum field oil efficiency (FOE) of 31%, a field oil production total (FOPT) of 4,944 MMSTB, a plateau time of 14 years and a total field water production (FWPT) of 18,356 MMSTB. Waterflooding had a FOE of 23%, a FOPT of 37,466 MMSTB, a plateau time of 9 years and a FWPT of 96,895 MMSTB. Whereas gas injection had an FOE of 15%, a FOPT of 36,063 MMSTB, a plateau time of 3.2 years, and a FWPT of 13,444 MMSTB, respectively. From the comparative analysis of the three recovery methods, WAG injection outperformed both waterflooding and gas injection with the highest FOE of 31% and the longest plateau time of 14 years, respectively.
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De Benedictis, Sara, Kim Allen y Tracey Jensen. "Portraying Poverty: The Economics and Ethics of Factual Welfare Television". Cultural Sociology 11, n.º 3 (13 de julio de 2017): 337–58. http://dx.doi.org/10.1177/1749975517712132.
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Since 2013 there has been an explosion of a new genre of factual programming on British television that centres on the everyday lives of people claiming benefits. The emergence of Factual Welfare Television (FWT) has coincided with intensifying public and political debates about poverty and the British welfare state, and has proved a deeply controversial and contested genre. While programme-makers have argued that FWT fulfils a public service mandate to inform audiences, critics have accused producers of making inaccurate, provocative and unethical television. Sociological enquiries into FWT have focused on the representations within these programmes and audience reception, arguing that these contribute to hardening anti-welfare sentiment. This article presents a complementary and urgent line of enquiry into FWT, locating it squarely within the conditions of its production by including questions of cultural labour, diversity in the workforce, and increasing competition and deregulation within broadcasting. We argue that market logics governing broadcasting discipline cultural workers and contribute to the production of reductive and stigmatising representations of social class and poverty. In doing so, we offer new insights into relationships between television production, representation and – consequently – consumption.
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Rozzini, Luca, Anna Ceraso, Marina Zanetti, Silvia Pelizzari, Evita Tomasoni, Vivian Accardo y Alessandro Padovani. "The Italian Version of the Five-Word Test: A Simple Diagnostic Test for Dementia due to Alzheimer’s Disease in Routine Clinical Practice". Behavioural Neurology 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/3781407.
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Background. The five-word test (FWT) is a neuropsychological tool (derived from the Grober and Buschke paradigm), measuring hippocampal memory trace consolidation. The study aimed to validate the test for the Italian language and to verify its ability to discriminate patients affected by mild cognitive impairment and dementia due to Alzheimer’s disease from healthy matches. Methods. 217 subjects (127 controls, 47 MCI due to AD, and 43 AD) underwent neuropsychological evaluation. The Spearman rank coefficient (ρ) was used to assess the correlation between immediate (IRS), delayed (DRS), and total score (TRS) of the FWT and correspondent matches of a specific short story test, while receiving operator characteristic (ROC) curves were built to investigate the diagnostic accuracy of both. Results. Correlation between almost all the scores was significant in all the diagnostic subgroups; the ROC curves of the two tests were not statistically different. A TRS of the FWT with a cut-off of ≤9/10 could accurately discriminate AD patients (sensitivity: 97%, specificity: 94%) and MCI due to AD (sensitivity: 76%, specificity: 68%) from control matches. Conclusion. FWT is a simple and valid test of hippocampal memory which appears recommendable in routine clinical practice.
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Bolte, Lilian, Maria Jose Ibacache, Iris Delgado y Francisco Cano. "Free Water Transport and its Association with Cardiovascular Status in Children on Peritoneal Dialysis". Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis 39, n.º 4 (julio de 2019): 323–29. http://dx.doi.org/10.3747/pdi.2018.00113.
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BackgroundVolume overload is one of the most important factors associated with left ventricular hypertrophy (LVH) and cardiovascular disease in chronic peritoneal dialysis (PD) patients. MiniPET is a reliable tool to evaluate free water transport (FWT). In a clinical setting, the significance of FWT has not been evaluated in terms of outcome in children on PD. The objective was to define a FWT value of clinical significance in children on PD, fixing its relationship to left ventricular mass index (LVMI) as a well-known outcome parameter.MethodsMiniPET was performed with 3.86% glucose, 1-h long, to measure FWT in PD patients > 6 years old. An echocardiogram (ECG) was performed within 2 months of the MiniPET. Left ventricular hypertrophy was defined as LVMI ≥ 38.6 g/height2.7(95th percentile). Receiver operating characteristic curve (ROC) analysis was used to determine the cut-off value of FWT searching the highest sensitivity and specificity to differentiate patients with normal/abnormal LVMI. A p < 0.05 was considered significant.ResultsForty-six studies were performed on 32 patients, 16 males; mean age 11.59 ± 3.07 years. Mean normalized FWT (nFWT) was 144.4 ± 84.8 mL/m2, corresponding to 46.7% of total ultrafiltration. Mean LVMI was 42 ± 11.3 g/m2.7with a negative correlation to nFWT ( p < 0.01). Eighteen out of 32 patients had LVH. The ROC analysis (nFWT vs LVMI) showed an area under the curve of 0.71 (95% confidence interval [CI], 0.53 – 0.89; p = 0.04), allowing a cut-off nFWT value of 110 mL/m2to be defined, dividing the population into 2 groups of patients according to the LVMI cut-off value of 38,6 g/m2.7.ConclusionsThe nFWT showed an inverse correlation to LVMI. A nFWT value < 110 mL/m2was significantly associated with LVH. The negative relationship observed between nFWT and LVMI, and the cut-off level for nFWT according to the 95th percentile of LVMI, suggest that the regular evaluation of nFWT could become a useful tool in assessing the capacity of PD treatment to keep patients’ volume status under control, avoiding cardiovascular impairment.
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Brydges, Hilliard T., Ogechukwu C. Onuh, Bachar F. Chaya, David L. Tran, Michael F. Cassidy, Vaidehi S. Dedania, Daniel J. Ceradini y Eduardo D. Rodriguez. "Combined Face and Whole Eye Transplantation: Cadaveric Rehearsals and Feasibility Assessment". Plastic and Reconstructive Surgery - Global Open 11, n.º 11 (noviembre de 2023): e5409. http://dx.doi.org/10.1097/gox.0000000000005409.
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Background: In properly selected patients, combined face and whole eye transplantation (FWET) may offer a more optimal aesthetic and potentially functional outcome while avoiding the complications and stigma of enucleation and prosthetics. This study presents the most comprehensive cadaveric assessment for FWET to date, including rehearsal allograft procurement on a brain-dead donor. Methods: Over a 2-year period, 15 rehearsal dissections were performed on 21 cadavers and one brain-dead donor. After identification of a potential recipient, rehearsals assessed clinical feasibility and enabled operative planning, technical practice, refinement of personalized equipment, and improved communication among team members. Operative techniques are described. Results: Facial allograft procurement closely followed previously described face transplant techniques. Ophthalmic to superficial temporal (O-ST) vessel anastomosis for globe survival was assessed. Craniectomy allowed for maximal optic nerve and ophthalmic vessel pedicle length. Appropriate pedicle length and vessel caliber for O-ST anastomosis was seen. Research procurement demonstrated collateral blood flow to the orbit and surrounding structures from the external carotid system as well as confirmed the feasibility of timely O-ST anastomosis. Personalized cutting guides enabled highly accurate bony inset. Conclusions: This study formalizes an approach to FWET, which is feasible for clinical translation in judiciously selected patients. O-ST anastomosis seems to minimize retinal ischemia time and allow perfusion of the combined allograft on a single external carotid pedicle. Although restoration of vision likely remains out of reach, globe survival is possible.
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Silva, Karla Costa, Maria da Penha de Lima Coutinho, Emerson Araújo Do Bú, Jaqueline Gomes Cavalcanti y Adriele Vieira de Lima Pinto. "Dating and Dating Violence: Social Representations of School Adolescents". Psico-USF 26, n.º 4 (octubre de 2021): 659–72. http://dx.doi.org/10.1590/1413-82712021260405.
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Abstract This study aimed to analyze the Social Representations of adolescents on dating and dating violence from their social anchors. This is a quantitative-qualitative, descriptive-exploratory study, involving 215 adolescents from public schools located in the city of João Pessoa - Paraíba, aged between 14 and 18 (M=16.16; SD=1.26), predominantly female (60.5%). Participants answered the Free Word Association Technique (FWAT); the Conflict in Adolescent Dating Relationship Inventory (CADRI); and, a sociodemographic questionnaire. Data from the CADRI and sociodemographic characterization were submitted to descriptive analysis, while those from the FWAT to the Correspondence Factor Analysis. Results anchored social objects in the affective, behavioral, psycho-affective, psycho-organic and valorative spheres. Dating was objectified as complicity, fidelity, respect, love, commitment, deception, betrayal, kiss, and fight. While dating violence was objectified as jealousy, disrespect, sadness, quarrel, cowardice, rape, wrong, hate, death and verbal.
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Abdurakhimova, Diyora. "Yoshiro ishihara's detention in siberia written in “bokyo to umi” (FWMT)". ACADEMICIA: An International Multidisciplinary Research Journal 12, n.º 5 (2022): 1223–32. http://dx.doi.org/10.5958/2249-7137.2022.00586.9.
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Pankaj, Kumar Sahu y Jhapte Rajkumar. "A new approach for fault diagnosis in TCSC compensated transmission lines using FWHT and machine learning techniques". i-manager's Journal on Power Systems Engineering 11, n.º 1 (2023): 1. http://dx.doi.org/10.26634/jps.11.1.19451.
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In this research a new approach is introduced for detecting and classifying faults in a Thyristor-Controlled Series Capacitor (TCSC) compensated power system. Our proposed scheme utilizes both the Fast Walsh Hadamard Transform (FWHT) and machine learning algorithms. The FWHT is employed to extract fault features from current data obtained from the TCSC compensated transmission line, while machine learning algorithms such as K-Nearest Neighbor (K-NN) and Support Vector Machine (SVM) are used to classify the extracted features for the purpose of fault detection and identification. To evaluate the performance of our proposed scheme, simulation studies were conducted on a test system under various fault conditions. The simulation results demonstrate that our approach is highly effective in accurately and quickly detecting and classifying faults, even when noise and TCSC compensation are present. This scheme has the potential to enhance the reliability and efficiency of power transmission systems.
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Megahed, Mohamed y Zahraa Tarek. "Suspension training versus free weight training: effects on explosive power, dynamic balance, and discus throwers performance". Pedagogy of Physical Culture and Sports 27, n.º 2 (30 de abril de 2023): 102–11. http://dx.doi.org/10.15561/26649837.2023.0202.
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Background and Study Aim. This paper aims to compare the effects of two types of resistance training programs (suspension training and free weight training) on the explosive power, dynamic balance, and discus throwers performance. Material and Methods. Twenty-four male discus throwers (with an average age: 19.17 ± 0.99 years; body mass: 99.87 ± 3.63 kg; height: 177.23 ± 3.16 cm) were assigned into three groups (eight subjects in each group); suspension training (STG), free weight training (FWTG) and control (CG). For eight weeks, subjects underwent training consisting of three sessions a week. Prior to and after the training period, explosive power, dynamic balance, and discus throwing distance variables were measured. The explosive power was measured using the medicine ball throw (SLJT) and standing long jump (MBTT) tests. The dynamic balance was measured using the Y excursion balance test (YBT). The discus throwing distance was measured according to the IAAF rules (DTT). Results. The results showed that both experimental groups had a significant effect on MBTT, SLJT, and DTT compared to the control group. There was a significant difference in YBT favoring STG when compared to the FWTG and CG, and also, favoring FWTG when compared to CG in the three directions (anterior, posterolateral, and posteromedial). All three groups improved the tests from pre- to post-test. Conclusions. We can conclude that suspension training and free weight training have created almost the same improvements in explosive power. Also, suspension training was more effective than free weight training for improving dynamic balance.