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21241
Local Stress Field Correction Method Based on a Genetic Algorithm and a BP Neural Network for In Situ Stress Field Inversion
Published 2021-01-01“…By comparison with the multiple regression method, it is found that the method still has high inversion accuracy under complex geological conditions, and the average relative error of LSFC inversion results is 17.05%, which is much lower than the value of 43.58% via the multiple regression method. …”
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21242
Seismic Damage Analysis of Large-Span Tied-Arch Bridge with Concrete-Filled Steel Tubes Subjected to Near-Fault Ground Motion
Published 2022-01-01“…The results indicated that the probability of damage caused by near-fault earthquakes is significantly higher than that by non-near-fault ground motions, and velocity pulses may cause more severe damages to certain components of the bridge during lower-intensity ground motions at certain excitation angles. …”
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21243
Interleaved-LoRa Transmission Scheme for Satellite IoT
Published 2023-03-01“…The transmission distance of satellite IoT is much further than terrestrial IoT, resulting in a signifi cant power loss on the transmission link.Thus the received signal power at a receiver will be signifi cantly lower.Combining a high-performance FEC coding and LoRa modulation with a signifi cant spreading factor enables reliable communication at very low signal-to-noise ratios.However, LoRa modulation dramatically decrease spectral effi ciency as the spreading factor increases.An interleaved LoRa transmission scheme that could achieved high spectral effi ciency with a low bit error rate (BER) was proposed.Firstly, a non-coherent soft demodulation algorithm was presented for LoRa and the corresponding performance comparison with the use of Turbo and LDPC codes.Then proposed a soft demodulation algorithm for interleaved-LoRa transmission.Simulation results showed that Turbo coded interleaved-LoRa system outperformed the uncoded system by about 4 dB at a BER=10<sup>-5</sup>, which was equivalently to a 55%~57% improvement on communication distance in free space.Furthermore, the spectral effi ciency was improved by approximately 23% compared to the existing Turbo-LoRa scheme.…”
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21244
Potent Oral Hypoglycemic Agents for Microvascular Complication: Sodium-Glucose Cotransporter 2 Inhibitors for Diabetic Retinopathy
Published 2018-01-01“…Moreover, treatment with a SGLT2i was associated with a significantly lower risk of DR progression (P=0.021), and this effect remained significant after adjusting for the age, duration of diabetes, initial DR grade, and HbA1c level by propensity score matching (P=0.013). …”
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21245
Evaluation of quality of life of patients after rectal surgery
Published 2010-11-01“…At 46 patients the level of colorectal anastomosis was higher than 5 cm from anus, in 40 – lower, than 5 cm. An assessment carried out by proposed questionnaire including 34 items with defining of following scales: «General life satisfaction»; «Change of life mode»; «Social functioning»; «Change of psychoemotional status»; “Pain syndrome”; «Anal incontinence»; «Frequency of bowel movements» and «Disorders of evacuatory rectal function».Results. …”
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21246
Placenta Percreta at 17 Weeks with Consecutive Hysterectomy: A Case Report and Review of the Literature
Published 2012-01-01“…Patient lost more than 8000 cc blood through the 2 surgeries, received massive transfusions due to severe disseminated intravascular coagulopathy (DIC), and underwent a complicated surgery because of great difficulty in separating lower uterine segment and cervix from the bladder. …”
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21247
Limit Equilibrium Method for Stability Analysis of Dangerous Rock Considering Surrounding Rock Constraints
Published 2024-01-01“…The proposed method considered the constraint effects of the back margin for dangerous rock of falling and sliding types with structural surfaces controlled by the upper margin and lower margin, respectively. For sliding-type dangerous rock with double structural surfaces, the influence of the fissure water pressure on the back margin was considered. …”
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21248
Factors influencing the sustainability of university-incubated agribusinesses: the role of stigma failure, personality and motivation in Kenya
Published 2025-12-01“…To enhance the success of incubated agribusinesses, training programs should focus on necessity-driven motivations, while policymakers should consider interventions that reduce unemployment by institutionalizing UIPs. These could lower entrepreneurial opportunity cost and encourage more students to engage in sustainable agribusiness ventures.…”
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21249
Normal Hearing Ability but Impaired Auditory Selective Attention Associated with Prediction of Response to Donepezil in Patients with Alzheimer’s Disease
Published 2015-01-01“…At baseline, the responders had higher vigilance and lower ASA test scores. Conclusion. Contrary to the common view, AD patients had a similar level of hearing ability to healthy elderly. …”
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21250
Analysis of ACAM Data for Trace Gas Retrievals during the 2011 DISCOVER-AQ Campaign
Published 2015-01-01“…From the standard deviations of the fitting residuals, the SNRs of ACAM nadir measurements are estimated to vary from ~300 at 310 nm to ~1000 in the blue spectral region; the zenith data are noisier due to reduced levels of illumination and lower system throughput and also show many more pixels with abrupt anomalous values; therefore, a new method is developed to derive a solar irradiance reference at the top of the atmosphere (TOA) from average nadir measurements, at instrument spectral resolution and including instrument calibration characteristics. …”
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21251
Screening of Trace Elements in Hair of the Female Population with Different Types of Cancers in Wielkopolska Region of Poland
Published 2014-01-01“…Statistically significantly lower concentrations of selenium, zinc, copper, germanium and boron, iron, and magnesium were observed in the three groups of cancer patients. …”
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21252
Extensive Bone Lengthening for a Patient with Linear Morphea
Published 2018-01-01“…Dysplastic and/or atrophic bones of the affected lower extremity can lead to clinically significant leg length discrepancy (LLD). …”
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21253
Recycler Reaction for the Government Behavior in Closed-Loop Supply Chain Distribution Network: Based on the System Dynamics
Published 2015-01-01“…When recyclers respond negatively to government policy making, recycling will reduce the proportion of recyclers. (2) When the recovery percentage of recyclers improves, manufacturers, Retailer 1, and Retailer 2 quantity fluctuations will reduce and the bullwhip effect will diminish. (3) When the proportion of recycled parts recyclers is lowered, manufacturers, Retailer 1, and Retailer 2 inventory fluctuation will increase and the bullwhip effect will be enhanced. (4) When recyclers recycling product delays increased, volatility manufacturers order quantity will rise, but there is little change in the amount of fluctuation of orders of the two retailers. (5) When recycling parts recyclers delay increases, fluctuations in the supplier order quantity will rise, but there is little change in the amount of fluctuation of orders of the two retailers.…”
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21254
High-Resolution Monthly Precipitation Fields (1913–2015) over a Complex Mountain Area Centred on the Forni Valley (Central Italian Alps)
Published 2018-01-01“…A very good agreement between observed and modelled precipitation records was pointed out for most station sites. The agreement is lower, but encouraging, for Forni Glacier station data.…”
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21255
Sorptive Property Dependence of Catalytic Performance in -Xylene Isomerization over H/Ga-ZSM-5
Published 1999-03-01“…In comparison to H/Al-ZSM-5, H/Ga-ZSM-5 with an almost identical framework composition exhibited lower para -selectivity. Even though all these zeolite catalysts possess identical frameworks consisting of 10-MR openings and intersecting channels, differences in the nature and concentration of the trivalent framework cations, the crystallite size and total acidity lead to changes in their sorptive properties and catalytic performance.…”
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21256
Mechanical behaviour analysis of cemented tailings rock backfill materials: An insight from mesoscale modelling coupled with damage plasticity model
Published 2025-07-01“…The key findings include: (1) incorporating waste rock significantly enhances elasticity but slightly reduces strength; (2) a lower cement-to-tailing ratio leads to compressive damage playing a more critical role in failure patterns; and (3) increasing the maximum particle diameter negatively impacts strength. …”
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21257
Effective doses received by the gastrointestinal tract compartments of adults due to food intake in Egypt
Published 2025-01-01“…., stomach (ST), small intestine (SI), upper large intestine (ULI), and lower large intestine (LLI), due to the ingestion of the analyzed foods. …”
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21258
Third-Order Nonlinear Optical Behavior of Novel Polythiophene Derivatives Functionalized with Disperse Red 19 Chromophore
Published 2015-01-01“…From these experiments it was observed that although the TRD19 incorporation into the side chain of the copolymers was lower than 5%, it was sufficient to increase their nonlinear response in solid state. …”
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21259
Design of multi-bandgap metamaterial plate based on composite cylindrical resonators
Published 2025-02-01“…Additionally, a nonperiodic gradient design is proposed by adjusting the stiffness of the resonators to ensure that the natural frequencies of the nonperiodic resonators are lower than those of the periodic resonators. This design approach demonstrates a significant 67.9% increase in normalized attenuation bandwidth. …”
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21260
Groundwater nitrate response to hydrogeological conditions and socioeconomic load in an agriculture dominated area
Published 2025-01-01“…Spatially, deep groundwater nitrate is much lower than that in shallow groundwater, supporting the anthropogenic origin of nitrate from surface. …”
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