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Effect of sodium replacement on the quality characteristics of past?rma(a dry-cured meat product)

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Food Science and Human Wellness 2023年第1期12卷 266-274页

作者： Bar?? Yal?nk?l?? Güzin Kaban mükerrem kaya Department of Gastronomy and Culinary Arts Faculty of Fine Arts and Architecture ?stanbul Gedik University Department of Food Engineering Faculty of Agriculture Atatürk University

This study aims to investigate the effect of sodium replacement on the quality characteristics of past?rma. For this purpose, past?rma production with four different salt mixtures(Ⅰ. 100% Na Cl; Ⅱ. 50% Na Cl + 50% KCl; Ⅲ. 40% NaCl + 40% KCl + 20% CaCl2; Ⅳ. 30% NaCl + 40% KCl + 20% CaCl2+ 10% mgCl2) were carried out using traditional method. The use of different salt mixtures for past?rma had no statistically significant effect on the microbial counts and residual nitrite of the final product. The a* and b* values were affected by this treatment. The salt mixture containing CaCl2or CaCl2+ mgCl2significantly decreased the p H values and sensory scores. The eighteen volatile compounds were affected by the salt mixtures. Na~+, K~+, Ca2+, and mg2+had a certain increase depending on their ratio in the salt mixtures. The highest Cathepsin activity in all past?rma samples was observed in Cathepsin B + L. The salt mixture with NaCl + KCl + CaCl2+ mg Cl2increased acid lipase activity. However, this mixture had no significant effect on neutral lipase activity.

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Effect of sodium replacement on the quality characteristics of past?rma(a dry-cured meat product)

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Food Science and Human Wellness 2022年

作者： Bar?? YALINKILI? Güzin KABAN mükerrem kaya Department of Gastronomy and Culinary Arts Faculty of Fine Arts and Architecture ?stanbul Gedik University Department of Food Engineering Faculty of Agriculture Atatürk University

This study aims to investigate the effect of sodium replacement on the quality characteristics of past?rma. For this purpose, past?rma production with four different salt mixtures（I. 100%NaCl; II. 50%NaCl+50%KCl; III. 40%NaCl+40%KCl+20%CaCl2; IV. 30%NaCl+40%KCl+20%CaCl2+10%mgCl2） were carried out using traditional method. The use of different salt mixtures for past?rma had no statistically significant effect on the microbial counts and residual nitrite of the final product. The a* and b* values were affected by this treatment. The salt mixture containing CaCl2or CaCl2+mgCl2significantly decreased the pH values and sensory scores. The eighteen volatile compounds were affected by the salt mixtures. Na+, K+, Ca2+, and mg2+had a certain increase depending on their ratio in the salt mixtures. The highest Cathepsin activity in all past?rma samples was observed in Cathepsin B+L. The salt mixture with NaCl+KCl+CaCl2+mgCl2increased acid lipase activity. However, this mixture had no significant effect on neutral lipase activity.

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Paleoseismological trenching and seismic hazard assessment of the Bozkurt Segment of the maymundağı Fault, Acıgöl Graben, SW Türkiye

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Journal of mountain Science 2024年第11期21卷 3789-3813页

作者： Ali kaya Pamukkale University Faculty of EngineeringDepartment of Geological EngineeringDenizli 20160Türkiye

The Acıgöl Graben in SW Turkey,ca.50-55 km in length and 11-15 km in width,formed during the miocene to Quaternary *** graben is bounded by active normal faults of maymundağıFault(mF)to the northwest and the GemişFault Zone(GFZ)to the southeast that have triggered significant earthquakes,causing considerable *** study focuses on the Bozkurt segment of the mF,which caused a damaging earthquake(mw 6.0)in 2019 and another significant earthquake in 1886 during historical times.A paleoseismological trench survey along the Bozkurt segment revealed at least two faulting events,with the last event producing a vertical displacement of 0.25 *** Optical Stimulated Luminescence(OSL)dating indicates that the last earthquake occurred 3.13±0.33 ka BP,while the penultimate earthquake occurred 4.0±0.72 ka *** dates correspond to a long-term slip rate of approximately 0.36±0.11 mm/a and a mean recurrence interval of 2.08 ka,short-term slip rate 0.78±0.16 mm/a and recurrence interval of 0.96 ka,and compatible with the mean sedimentation rate of 0.26 mm/a,calculated from drill logs in Acıgöl *** the 6 km length of the Bozkurt segment and its vertical displacement of 0.25 m in the last event,this segment has the potential to generate earthquakes ranging from 5.6 to 5.9 ***-term slip rates derived from geomorphological data are 0.56 mm/year to the north and 0.64 mm/a to the south of the graben,indicating higher subsidence on the southern *** rates are in accordance with the slip rates calculated from the paleoseismological trench survey and sedimentation rate from the *** indications show that the Bozkurt segment is an active Holocene fault with relatively long recurrence intervals and low-slip ***,the paleoseismological studies in combination with geomorphological data are important tool to assess seismic hazards and to define the characteristics of individual fault segments.

关键词： Paleoseismology Fault slip-rates Subsidence Bozkurt earthquake OSL dating Acıgöl Graben

Aldol Condensation and michael Addition of 4,4-Dimethyl- cyclohexane-l,3-dione and Aromatic Aldehydes, Unconventional Substituent Effects

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Chinese Journal of Chemistry 2011年第11期29卷 2355-2360页

作者： kaya, muharrem Chemistry Department Faculty of Arts and Science Dumlupmar University 43100 Kutahya Turkey

By the cyclization of 4,4-dimethylcyclohexane-1,3-dione with different aromatic aldehydes, the xanthene regio- isomers were obtained. The diversity of xanthene isomers could be determined. The electronic and steric ef... 详细信息

关键词： aldol reaction michael addition xanthene regioselectivity substituent effects X-ray diffraction

Application of Adapted-Bubbles to the Helmholtz Equation with Large Wavenumbers in 2D

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Numerical mathematics(Theory,methods and Applications) 2023年第1期16卷 26-57页

作者： Adem kaya Institut füur mathematik Universität PotsdamKarl-Liebknecht-Str.24-2514476 Potsdam/GolmGermany

An adapted-bubbles approach which is a modification of the residualfree bubbles(RFB)method,is proposed for the Helmholtz problem in 2D.A new two-level finite element method is introduced for the approximations of the bubble *** the other equations such as the advection-diffusion equation,RFB method when applied to the Helmholtz equation,does not depend on another stabilized method to obtain approximations to the solutions of the ***-bubbles(AB)are obtained by a simple modification of the *** modification increases the accuracy of the numerical solution *** provide numerical experiments with the AB method up to ch=5 where c is the wavenumber and h is the mesh *** tests show that the AB method is better by far than higher order methods available in the literature.

关键词： Helmholtz equation adapted-bubbles residual-free bubbles two-level finite element

Design of a large-scale model for wind tunnel test of a multiadaptive flap concept

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Chinese Journal of Aeronautics 2024年第2期37卷 58-80页

作者： mürüvvet Sinem SICIm DEmIRCI Rosario PECORA metin Orhan kaya Aeronautical Engineering Department Istanbul Technical UniversityIstanbulTurkey Industrial Engineering Department University of Naples Federico IINapoliItaly

The design and application of morphing systems are ongoing issues compelling the aviation *** Clean Sky-program represents the most significant aeronautical research ever launched in Europe on advanced technologies for greening next-generation *** primary purpose of the program is to develop new concepts aimed at decreasing the effects of aviation on the environment,increasing reliability,and promoting eco-friendly *** ambitions are pursued through research on enabling technologies fostering noise and gas emissions reduction,mainly by improving aircraft aerodynamic *** the Clean Sky framework,a multimodal morphing flap device was designed based on tight industrial requirements and tailored for large civil aircraft *** flap is deployed in one unique setting,and its cross section is morphed differently in take-off and landing to get the necessary extra lift for the specific flight ***,during the cruise,the tip of the flap is deflected for load control and induced drag *** manufacturing the first flap prototype,a high-speed(ma=0.3),large-scale test campaign(geometric scale factor 1:3)was deemed necessary to validate the performance improvements brought by this novel system at the aircraft *** the other hand,the geometrical scaling of the flap prototype was considered impracticable due to the unscalability of the embedded mechanisms and actuators for shape ***,a new architecture was conceived for the flap model to comply with the scaled dimensions requirements,withstand the relevant loads expected during the wind tunnel tests and emulate the shape transition capabilities of the true-scale *** strategies were developed to effectively morph the model during wind tunnel tests while ensuring the robustness of each morphed configuration and maintaining adequate stiffness levels to prevent undesirable deviations from the intended aerodynamic ***,

关键词： morphing structures Smart aircraft morphing flap Adaptive systems Finger-like ribs Wind tunnel tests Large-scale morphing archi-tectures Variable camber airfoil

Dissolution behavior of Caldag lateritic nickel ore subjected to a sequential organic acid leaching method

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International Journal of minerals,metallurgy and materials 2015年第11期22卷 1131-1140页

作者： Sait Kursunoglu muammer kaya Department of mining Engineering Eskisehir Osmangazi University

The dissolution behavior of Caldag lateritic nickel ore subjected to a sequential organic acid leaching method was investigated. The effects of the type of organic acid, acid concentration, leaching time, and leaching temperature on the lateritic nickel ore were examined. Organic acids were used individually prior to sequential leaching. Citric acid was more effective than the other two acids for the selective leaching of nickel and cobalt. An increase in the citric acid concentration negligibly affected the dissolution of the metals, whereas temperature exhibited a strong beneficial effect. Oxalic acid was determined to be the most appropriate organic acid for the second leaching step. After 8 h（4 h ＋ 4 h） of leaching with organic acids（0.5 m citric ＋ 0.5 m oxalic） in sequence at 90°C, 89.63% Ni, 82.89% Co, and 69.63% Fe were leached from the lateritic nickel ore. A sequential citric ＋ oxalic acid leaching method could represent a viable alternative for the dissolution of metals from lateritic nickel ore.

关键词： laterite leaching citric acid oxalic acid dissolution

mechanical properties of directionally solidified lead-antimony alloys

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International Journal of minerals,metallurgy and materials 2011年第5期18卷 582-588页

作者： mevlüSahin Hasan kaya Department of Physics Faculty of Arts and SciencesNigde UniversityNigde 51200Turkey Department of Science Education Faculty of EducationErciyes UniversityKayseri 38039Turkey

The Pb-17wt% Sb alloy was directionally solidified under two solidification conditions：with different temperature gradients （G=0.93-3.67 K/mm） at a constant growth rate （V=17.50 λm/s） and with different growth rates （V=8.3-497 μm/s） at a constant temperature gradient （G=3.67 K/mm） in a Bridgman *** parameters,such as primary dendrite arm spacing （λ1）,secondary dendrite arm spacing （σ2）,and dendrite tip radius （R）,were *** microhardness （Hv） and ultimate tensile strength （λ） of the directional so-lidification samples were also *** influences of solidification and microstructure parameters on Hv and σwere *** results obtained in this work were compared with similar experimental researches in *** is shown that the Hv and σvalues increase with the increase of G and V,but decrease with the increase of λ1,λ2,and R.

关键词： lead-antimony alloy directional solidification microstructure mechanical properties

Ionic liquid-based transparent membrane-coupled human lung epithelium-on-a-chip demonstrating Pm0.5 pollution effect under breathing mechanostress

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Bio-Design and manufacturing 2024年第5期7卷 624-636页

作者： Bilgesu kaya Ozlem Yesil-Celiktas Department of Bioengineering Faculty of EngineeringEge UniversityIzmir 35100Türkiye Translational Pulmonary Research Center(EgeSAm) Ege UniversityIzmir 35100Türkiye

The plausibility of human exposure to particulate matter(Pm)has witnessed an increase within the last several *** of different sizes has been discovered in the atmosphere given the role of dust transport in weather and climate *** a regulator,the lung epithelium orchestrates the innate response to local ***,we developed a lung epithelium-ona-chip platform consisting of easily moldable polydimethylsiloxane layers along with a thin,flexible,and transparent ionic liquid-based poly(hydroxyethyl)methacrylate gel *** epithelium was formed through the culture of human lung epithelial cells(Calu-3)on this *** mechanical stress at the air–liquid interface during inhalation/exhalation was recapitulated using an Arduino-based servo motor system,which applied a uniaxial tensile strength from the two sides of the chip with 10%strain and a frequency of 0.2 ***,the administration of silica nanoparticles(Pm0.5)with an average size of 463 nm to the on-chip platform under static,dynamic,and dynamic+mechanical stress(DmS)conditions demonstrated the effect of environmental pollutants on lung *** viability and release of lactate dehydrogenase were determined along with proinflammatory response through the quantification of tumor necrosis factor-α,which indicated alterations in the epithelium.

关键词： Ionic liquid-based membrane Lung Epithelial barrier mechanostress Organ-on-chip Silica particles