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341
Leach-SX-EW copper revalorization from overburden of abandoned copper mine Cerovo, Eastern Serbia
Published 2009-01-01“…Cathode current density in electrowinning cell was 220Am-2 while electrolyte temperature was kept on 50±2oC. Produced cathode copper at the end of SX-EW process has purity of 99.95% Cu.…”
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342
Factores que afectan el porcentaje de fruta asoleada en manzano CV. en el Alto Valle del Río Negro y Neuquén
Published 2007-01-01“…Se observó que las condiciones térmicas de cada temporada tuvieron un efecto significativo en la proporción de fruta asoleada, siendo la sumatoria de horas con temperaturas mayores a 29 ºC una herramienta de gran utilidad para explicar este fenómeno bajo las condiciones imperantes en el Alto Valle de Río Negro y Neuquén. …”
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343
Effect of sugarcane bagasse biochar on soybean germination and initial growth
Published 2024-07-01“…The biochar exhibited a low O/C ratio (0.18) and an irregular porous surface, which promoted improvements in the soil’s physical, chemical, and biological attributes. …”
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344
Optimization Of Shell And Tube Cycle Recuperator Design In Organic Rankine Geothermal Power Plant
Published 2023-12-01“…This study used a brine temperature of 169.932 oC from a PLTP which produced the highest efficiency in an organic rankine cycle of 14.40% with n-pentane organic working fluid. …”
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345
Temperature and Cr-Co ratio on Production of Diethyl Ether from Ethanol Dehydration using Cr-Co/γ-Al2O3 Catalyst
Published 2024-12-01“…The dehydration reaction was conducted in a fixed-bed reactor at temperatures 100 to 200 ºC, with nitrogen gas flowrates between 200 and 600 mL/min as the carrier gas. …”
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346
Experimental studies on the pH levels that affect demineralization and remineralization of human tooth enamel.
Published 2022-07-01“…Forty previously extracted caries-free teeth were exposed to buffered saliva samples of the participants from the three groups at 37 oC for 24 hours. The concentration of calcium loosed or gained from the teeth was assessed using a spectrophotometer. …”
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347
Understanding the impact of plasma functionalized MWCNTs on the structure, physicochemical and mechanical properties of PEMA
Published 2025-02-01“…The XPS results showed an increase of oxygen-based functional groups C-O and O-C-O on the PEMA/f-MWCNTs/ composite films compared to pure PEMA. …”
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348
Isolation and Characterization of Nanofibrillar Cellulose from Agave tequilana Weber Bagasse
Published 2019-01-01“…The material was classified by FTIR, confirming the presence of the functional groups (O-H, C-H, C-C, and C-O-C), characteristics of cellulose, and the elimination of hemicellulose and lignin present in agave bagasse without treatment. …”
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349
Thermodynamic Studies of [M+2] Complexes with 3-Hydroxy-2-(3-(4-Nitrobenzoyl) Thiouriedo) Propanoic Acid
Published 2025-01-01“… In the current research work, the prepared new ligand 3hydroxy-2-(3-(4-nitro-benzoyl) thiouriedo) propanoic acid (NTP) has undergone synthesis through the reactions of 4-nitrobenzol isothiocyanate with the serine amino acid; its complex has been studied by effects of the temperature ranging within (25-45 oC) and various concentrations on molar conductivity values from Arinus' law application, by which decomposition constant and uniform molar conductivity is determined. …”
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350
Symptoms of Dental Eruption in Patients from 6 Months to 3 Years of Age
Published 2024-01-01“…<br /><strong>Results:</strong> a predominance of patients was found in the age range between 6 and 12 months (34.26 %), 100 % presented excessive salivation and 100 % presented biting of hands and objects. 77.7 % of those surveyed reported that infants preferred cold and soft foods. 33 patients had a temperature higher than 38ºC. 79 presented no changes and 12 presented acute diarrhea. 100 % of respondents had used at least one of the traditional variants. …”
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351
Modelling and Production of Injection Moulded Polyvinylchloride--Sawdust Composite
Published 2020-01-01“…The optimization results for PVC-Sawdust composite shows that the tensile strength, proof stress, flexural strength and flexural modulus were maximized with values of 43.70MPa, 48.38MPa, 61.41MPa and 3.42GPa respectively obtained at barrel temperature of 224.65oC and polymer level of 61.46% respectively while percentage elongation and average deflection were minimized with values of 65.43% and 4.23 cm respectively. …”
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352
Anaerobic Co-digestion of Palm Oil Sludge, Cassava Peels, Cow Dung and Ground Eggshells: Process Optimization and Biogas Generation
Published 2024-12-01“…The pH averaged 6.0, and the slurry temperature averaged 34.76oC during digestion, which is favorable for the production of biogas since microbial populations thrive under hospitable conditions. …”
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353
ПЕКТИНСОДЕРЖАЩИЙ ПОРОШОК ИЗ ЗАМОРОЖЕННЫХ ВЫЖИМОК МЕЛКОПЛОДНЫХ ЯБЛОК В ПРОИЗВОДСТВЕ ЗЕРНОВОГО ХЛЕБА...
Published 2024-07-01“…Объектом исследования были выбраны пектинсодержащий порошок из замороженных выжимок мелкоплодных яблок, содержащий значительное количество сухих веществ 89±0,15 %, водорастворимых пектиновых веществ 77±0,05 %, а также смесь нешелушеного зерна ‒ пшеницы 60% и ржи 40%, которую промывали и замачивали на 12,5 ч при температуре 22‒24 ºC в воде до появления ростков размера не более 0,3 мм, далее проводили СВЧ-обработку зерна в микроволновой печи при мощности 900 Вт в течение 3 мин. …”
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354
Evolution of Residual Stress, Crystal Orientation, and Texture on Preheating Weld Treatment of Low Carbon Steel ASTM A572 Grade 42
Published 2024-02-01“…This study aims to analyze the effect of preheating at a temperature of 200 ºC on the welding for ASTM A572 Grade 42 steel with a thickness of 40mm using the SMAW (Shielded Metal-Arch welding) method. …”
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355
Divergent alkynylative difunctionalization of amide bonds through C–O deoxygenation versus C–N deamination
Published 2025-02-01“…Overall, this reaction successfully transforms the traditional mode of nucleophilic acyl addition to amides to a divergent C–O/C–N cleavage. The particularly wide substrate scope, including late-stage modification of bioactive molecules, demonstrates its potential broad applications in organic synthesis.…”
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356
Selección de películas poliméricas para su empleo con lechuga en atmósfera modificada
Published 2005-01-01“…La conservación se realizó cámara a 4ºC durante 10 días. Durante el almacenamiento se realizaron mediciones de pérdida de peso, color, consumo de O2, producción de CO2 y etileno y calidad visual. …”
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357
Bioremediation of Polycyclic Aromatic Hydrocarbon contaminated Aqueous-Soil matrix: Effect of co-contamination
Published 2013-05-01“…The soil was sterilized by heating at 120oC for one hour. 100g of the soil was contaminated with lead, chromium, nickel and mercury (40-200mg/l), 200mg/l of naphthalene and finally inoculated with microbes (Bacillus spp and Aspergillus niger). …”
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358
Electrical and photoelectric properties of photocell on base of Schottky barrier contact Au-n-GaAs
Published 2019-10-01“…It is shown that air annealing of structures n-n+-GaAs-AuGe under (200–220) ºC within 30 minutes before precipitating a film Au on n-GaAs brings to the reduction on two- three orders direct I dir and inverse I inv currents (under 0,5 V) to reduction on three orders of density of the current of the saturation J0 , to reduction of capacities of photocells before values (204–191) pF under inverse tensions (0,22–0,96) V, reduction of the current of the short circuit of photocells and to increase their photovoltage that connected with formation fine oxide layer on n-GaAs under air annealing of structures n-n+-GaAs-AuGe.…”
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359
Investigation and Optimization of The Effect of Anhydrous Borax Mineral on The Vickers Hardness and Indentation Modulus Values of Iron Material
Published 2024-06-01“…According to the signal-to-noise ratio (S/N) analysis performed with the experimental data, it was determined that the 10% AHB additive ratio and 950oC sintering temperature optimized all the investigated properties of the Fe/AHB composite material. …”
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360
Isolation and partial characterization of a new strain of Klebsiella pneumoniae capable of high 1,3 propanediol production from glycerol
Published 2015-04-01“…Strain BA11 was most active and could produce high 1,3 PDO in the incubation temperature range of 25 to 40 oC. The production of 1,3 PDO was maximum (9.3 g/L) under aerobic condition with 95.8% glycerol utilization. …”
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