2020-2022 YAMAGATA UNIVERSITY Research Seeds Collection
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electron transfer systemelectron transfer systemelectron transfer system[Production process for limestone fine particle]Product : fine particlesbelow 1 μμm CrushingBall millingOptimization;Operational conditions,Dispersant conditionsBead milling33IllustrationFeed : over 10 mm Intermediate : below 100 μmYamagata University Graduate School of Science and Engineering Research Interestmedical and biological engineering, exercise physiologyE-mail:saitoh-t@yz.yamagata-u.ac.jpTel:+81-238-26-3768Fax:+81-238-26-3768E-mail ・ saitoh-t@yz.yamagata-u.ac.jpTel ・ +81-238-26-3768Fax ・ +81-238-26-3768 Limestone is an important mineral resource in Japan, and is Limestone is an important mineral resource in Japan, and is widely widely used in the steel, cement, and paper-pulp industries, in agriculture and stockbreeding, and in the food and pharmaceutical industries. These uses generally require the limestone to be ground to smaller particle sizes, with some applications demanding extremely fine grinding.  This study examines the use of high performance grinding techniques to attain a fine limestone product. This study examines the use of high performance grinding Wet ball milling; Examination of optimum dispersant and its mass techniques to attain a fine limestone product. fraction for the grinding of limestone with various inorganic and Wet ball milling; Examination of optimum dispersant and its mass polymer dispersants (NaHMP, NaPP and SPA, SPM, PVA, etc.).fraction for the grinding of limestone with various inorganic and => Optimum dispersant conditionsFine grinding with a high flow stirred bead mill under the optimum polymer dispersants (NaHMP, NaPPand SPA, SPM, PVA, etc.).dispersant conditions; various operational conditions such as the =>Optimum dispersant conditionsrotor speed, the grinding time, the mass and size of grinding Fine grinding with a high flow stirred bead mill under the optimum media and the concentration of feed slurry.dispersant conditions; various operational conditions such as the => Optimum operational conditionsrotor speed, the grinding time, the mass and size of grinding media => Optimization for mass production of limestone fine   particlesand the concentration of feed slurry.=> Optimum operational conditions=> Optimization for mass production of limestone fine particlesAppealing point:I will engage in industry-academia collaboration and aim to develop into actual production plants by making the most of my research content. I will engage in industry-academia collaboration and aim to develop into actual production plants by making the most of my research content.Tomaintainmoderateorheavyexercise,asufficientsupplyofadenosinetriphosphate,whichprovideschemicalenergytoactivemuscle,isrequired.Theanaerobicenergymetabolismthatproduceslacticacidisanenergymetabolicsystem.Itusedtobebelievedthatlacticacidproducedduringexerciseisametabolicwastethatcausesfatigue.However,recentstudieshavesuggestedthatlacticacidisanenergysourceforaerobicenergymetabolism.Thus,I’vebeenstudyingtoclarifytherolelacticacidplaysintheperformanceduringexercisebyconsidering(1)howthelandscapeofenergymetabolismchangeswithvariousexercisepatternsandworkloadsand(2)howthesechangesinfluenceperformanceduringexercise.Appealingpoint:IchallengetoclarifythephysiologicalmechanismsduringexerciseSpecial objectivesbyusingnoninvasiveandlow-invasivebiomedicalmeasurements:electrocardiogram,electromyogram,oxygenuptake,concentrationofbloodlacticacid,bloodglucoselevel,etc.YamagataUniversityGraduateSchoolofScienceandEngineeringResearchInterest:medicalandbiologicalengineering,exercisephysiologyContentContent:used in the steel, cement, and paper-pulp industries, in agriculture and stockbreeding, and in the food and pharmaceutical industries. These uses generally require the limestone to be ground to smaller particle sizes, with some applications demanding extremely fine grinding. Special objectivesYamagata UniversityGraduate School of Science and Engineering Yamagata University Graduate School of Science and Engineering Research Interest:Unit operation, ComminutionResearch InterestUnit operation, ComminutionE-mail :nkotake@yz.yamagata-u.ac.jpTel :+81-238-26-3163E-mail ・ nkotake@yz.yamagata-u.ac.jpTel ・ +81-238-26-3163ContentContent: To maintain moderate or heavy exercise, a sufficient supply of adenosine triphosphate, which provides chemical energy to active muscle, is required. The anaerobic energy metabolism that produces lactic acid is an energy metabolic system. It used to be believed that lactic acid produced during exercise is a metabolic waste that causes fatigue. However, recent studies have suggested that lactic acid is an energy source for aerobic energy metabolism. Thus, I’ve been studying to clarify the role lactic acid plays in the performance during exercise by considering (1) how the landscape of energy metabolism changes with various exercise patterns and workloads and (2) how these changes influence performance during exercise. I challenge to clarify the physiological mechanisms during exercise by using noninvasive and low-invasive biomedical measurements: electrocardiogram, electromyogram, oxygen uptake, concentration of blood lactic acid, blood glucose level, etc.mitochondriaacetyl-CoATCA cyclemitochondriaacetyl-CoATCA cyclemitochondriaslow musclefatty acidacetyl-CoAglucoseTCA cyclepyruvic acidLAMCT1MCT1MCT4MCT4pyruvic acidLAglucosefatty acidfast muscleLA: lactic acidMCT: monocarboxylate transporterLApyruvic acidglucoseProduction process for limestone fine particle by comminutionAssistant Professor Naoya KotakeAssistant ProfessorNaoyaKotakeAssistant Professor Tadashi SaitohAssistant Professor Tadashi SaitohProduction process for limestone fine particle by comminution Effects of lactic acid on the performance during exerciseEffects of lactic acid on the performance during exercise1 μm

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