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Structure and electrochemical performance of delafossite AgFeO_(2)nanoparticles for supercapacitor electrodes

International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 201-213页

作者： Choulong Veann Thongsuk Sichumsaeng Ornuma Kalawa Narong Chanlek Pinit Kidkhunthod Santi Maensiri School of Physics Institute of ScienceSuranaree University of TechnologyNakhon Ratchasima 30000Thailand SUT Center of Excellence on Advanced Functional Materials Suranaree University of TechnologyNakhon Ratchasima 30000Thailand Synchrotron Light Research Institute Nakhon Ratchasima 30000Thailand Department of Physics Universitas Negeri MalangMalang 65145Indonesia

Delafossite AgFeO_(2)nanoparticles with a mixture of 2H and 3R phases were successfully fabricated by using a simple co-precipitation *** resulting precursor was calcined at temperatures of 100,200,300,400,and 500℃to obtain the delafossite AgFe0_(2)*** morphology and microstructure of the prepared AgFeO_(2)samples were characterized by using field emission scanning electron microscopy(FESEM),transmission electron microscopy(TEM),N_(2) adsorption/desorption,X-ray absorption spectroscopy(XAS),and Xray photoelectron spectroscopy(XPS)techniques.A three-electrode system was employed to investigate the electrochemical properties of the delafossite AgFeO_(2)nanoparticles in a 3 M KOH *** delafossite AgFeO_(2)nanoparticles calcined at 100℃(AFO100)exhibited the highest surface area of 28.02 m^(2)·g^(-1)and outstanding electrochemical performance with specific capacitances of 229.71 F·g^(-1)at a current density of 1 A·g^(-1)and 358.32 F·g^(-1)at a scan rate of 2 mV·s^(-1).This sample also demonstrated the capacitance retention of 82.99% after 1000 charge/discharge cycles,along with superior specific power and specific energy values of 797.46 W·kg^(-1)and 72.74Wh·kg^(-1),*** findings indicate that delafossite AgFeO_(2)has great potential as an electrode material for supercapacitor applications.

关键词： nanoparticles delafossite electrochemical properties X-ray absorption spectroscopy co-precipitation supercapacitor

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The Effect of Real Activities Manipulation on Accrual Earnings Management： The Case in indonesia Stock Exchange （IDX）

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Journal of Modern Accounting and Auditing 2012年第9期8卷 1291-1300页

作者： I Putu Sugiartha Sanjaya Maria Fransisca Saragih atma jaya Yogyakarta university Yogyakarta Indonesia

There are three ways to manage earnings, namely, accruals earnings management, real activities manipulation, and shifting of core expense. The famous methods to manage earnings are accruals earnings management and real activities manipulation. Usually, real activities manipulation is conducted on the going period. The action will increase the loss for the firms at the end of the period. To avoid the loss, managers will manage earnings through accruals （discretionary accruals）. Therefore, the objective of this study is to investigate whether real activities manipulation positively influences accruals earnings management. To investigate the issue, this study collected data from indonesia Stock Exchange （IDX）. Samples of this study are the manufacturing companies. There are 196 firms from the year 2003 to 2007. The results of this study support the research hypothesis that real activities manipulation positively influences accruals earnings management. The higher the real activities manipulation effects, the higher the accruals earnings management at the end of the *** are three ways to manage earnings, namely, accruals earnings management, real activities manipulation, and shifting of core expense. The famous methods to manage earnings are accruals earnings management and real activities manipulation. Usually, real activities manipulation is conducted on the going period. The action will increase the loss for the firms at the end of the period. To avoid the loss, managers will manage earnings through accruals （discretionary accruals）. Therefore, the objective of this study is to investigate whether real activities manipulation positively influences accruals earnings management. To investigate the issue, this study collected data from indonesia Stock Exchange （IDX）. Samples of this study are the manufacturing companies. There are 196 firms from the year 2003 to 2007. The results of this study support the research hypothesis that real activities manipulation po

关键词： earnings management real activities manipulation accruals earnings management

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Biofloc system supplemented by Pseudoalteromonas piscicida 1Ub protects the Pacific white shrimp Penaeus vannamei from Vibrio parahaemolyticus infection

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Aquaculture and Fisheries 2024年第6期9卷 967-974页

作者： Muhamad Gustilatov Widanarni Widanarni Julie Ekasari Pande GdeSasmita Julyantoro Diana Elizabeth Waturangi Department of Aquaculture Faculty of Fisheries and Marine SciencesBogor Agricultural UniversityBogorWest Java16680Indonesia Department of Aquatic Resources Management Faculty of Marine Science and FisheriesUniversity of UdayanaDenpasarBali80361Indonesia Faculty of Biotechnology Atma Jaya Catholic University of IndonesiaJenderal Sudirman No.51Jakarta12930Indonesia

This study aimed to evaluate the supplementation of the probiotic Pseudoalteromonas piscicida 1Ub to the biofloc system as an ecofriendly strategy for protecting white shrimp(Penaeus vannamei)from Vibrio parahaemolyticus *** with an average body weight of(0.50±0.09)g were reared in 30 glass jars with a working volume of 2.5 L at a density of 20 ind/*** were reared for 5 d for each treatment,which included the biofloc system without and with 106 colony forming unit(CFU)per mL *** regular clear water system was used as *** treatment groups were challenged with 103,105,and 107 CFU/mL *** the negative control,shrimp were reared without *** results showed that the density of *** cocultured with *** 1Ub decreased and the density of *** in rearing water and shrimp body in the probiotic-treated group was lower than that in the control group(P<0.05).The survival and immune response(total hemocyte count,phagocytic activity,respiratory burst,phenoloxidase,and superoxide dismutase)of shrimp in the probiotic group was higher than that in the positive control(P<0.05).Moreover,supplementing the biofloc system with the probiotic could protect shrimp hepatopancreas from damage caused by ***,regardless of bacterial ***,the supplementation of the probiotic *** 1Ub in the biofloc system could significantly protect and increase the resistance of shrimp to *** infection.

关键词： Aquatic Biocontrol Biofloc Probiotic Pseudoalteromonas piscicida Vibrio parahaemolyticus

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Stem cell therapy and diabetic erectile dysfunction:A critical review

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World Journal of Stem Cells 2021年第10期13卷 1549-1563页

作者： Cennikon Pakpahan Raditya Ibrahim William William Zakiyatul Faizah Juniastuti Juniastuti Maria I Lusida Delvac Oceandy Department of Biomedical Sciences Universitas AirlanggaSurabaya 60132Indonesia Andrology Program Universitas AirlanggaSurabaya 60132Indonesia Department of Medical Biology School of Medicine and Health Sciences Atma Jaya Catholic University of IndonesiaJakarta 14440Indonesia Institute of Tropical Disease Universitas AirlanggaSurabaya 60132Indonesia Institute for Tropical Disease Universitas AirlanggaSurabaya 60132Indonesia Division of Cardiovascular Sciences The University of ManchesterManchester Academic Health Science CentreManchester M139PTUnited Kingdom

Erectile dysfunction(ED)has been identified as one of the most frequent chronic complications of diabetes mellitus(DM).The prevalence of ED is estimated to be about 67.4%in all DM cases *** pathophysiological process leading to ED involves endothelial,neurological,hormonal,and psychological *** DM,endothelial and neurological factors play a crucial *** in the blood vessels and erectile tissue due to insulin resistance are the hallmark of ED in *** current treatments for ED include phosphodiesterase-5 inhibitors and penile prosthesis ***,these treatments are limited in terms of just relieving the symptoms,but not resolving the cause of the *** use of stem cells for treating ED is currently being studied mostly in experimental *** stem cells used are derived from adipose tissue,bone,or human *** of the studies observed an improvement in erectile quality in the experimental animals as well as an improvement in erectile ***,research on stem cell therapy for ED in humans remains to be ***,significant findings from studies using animal models indicate a potential use of stem cells in the treatment of ED.

关键词： Stem cells Diabetes mellitus Erectile dysfunction Stem cell therapy Diabetic erectile dysfunction

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Mycobacterium tuberculosis infection among children under fifteen years of age:A population-based study in indonesia

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Asian Pacific Journal of Tropical Medicine 2023年第11期16卷 506-514页

作者： Made Agus Nurjana Agung Dwi Laksono I Kadek Wartana Vidyanto Gunawan Afi Nursafingi Samarang Hayani Anastasia Kristina Tobing Anis Nurwidayati Octaviani National Research and Innovation Agency Republic of Indonesia Health Sciences College of indonesia jaya Republic of Indonesia Faculty of Public Health Tadulako UniversityRepublic of Indonesia

Objective:To assess the prevalence of Mycobacterium(M.)tuberculosis infection and its associated risks in children under fifteen years of ***:Based on secondary data from the 2018 indonesian Basic Health Survey(RISKESDAS 2018),this cross-sectional study employed *** infection in children as a dependent variable and age level,sex,region,location,family case positive,and smoking as independent *** analysis was applied to show the prevalence of *** infection and multivariate regression was performed to analyze the risk factors of getting the infection among children under 15 years of ***:Prevalence ranges of *** infection among children aged 0-14 years,babies(ageindonesia.A high prevalence of *** infection among children under 15 years of age was found in Papua and other provinces,such as Kalimantan and *** with tuberculosis family members was positively associated with *** infection in children as shown by multivariate logistic regression(OR 8.94;95%CI 5.4-14.6,P<0.05).Conclusions:Contacting with family member who has tuberculosis is related with *** infection among children in ***,screening the household for contact with tuberculosis patients is a preventive treatment for children.

关键词： Tuberculosis Children RISKESDAS indonesia

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Cross-Linking of Sago Starch with Furan and Bismaleimide via the Diels-Alder Reaction

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Journal of Renewable Materials 2023年第12期11卷 4039-4060页

作者： Henky Muljana Ivana Hasjem Merianawati Sinatra Dicky Joshua Pesireron MichaelWilbert Puradisastra Ryan Hartono Kevin Yovan Hermanto Tony Handoko Department of Chemical Engineering Parahyangan Catholic UniversityBandung40141Indonesia

This research paper describes the synthesis of thermo-reversible cross-linking of sago starch by grafting a furan pendant group(methyl 2-furoate)onto the starch backbone,followed by a Diels-Alder(DA)reaction of the furan functional group with 1,1′-(methylenedi-4,1-phenylene)bismaleimide(BM).The proof of principles was provided by FTIR and 1H-NMR *** relevant FTIR peaks are the carbonyl peak(υC=O sym)at 1721 cm^(−1);the two peaks appeared after DA cross-linking,i.e.,at 1510 cm^(−1)(corresponding toυCH=CH BM aromatic rings,stretching vibrations),and at 1173 cm^(−1)(assigned to cycloadduct(C-O-C,δDA ring))while the^(1)H-NMR result shows evidence for the presence of a furan ring in the starch matrices(in the range ofδ6.3-7.5 ppm).The crosslinked starch product is indeed thermally reversible,as is evident from the appearance of exothermal(DA,temperature range of 50℃-70℃)and endothermal(retro DA,temperature range of 125℃-150℃)transitions in the DSC *** paper not only proves the thermal reversibility but also demonstrates that the final product properties(chemical,morphology,and thermal stability)can be tuned by varying the annealing temperature,BM intake,and reaction time.

关键词： Diels-Alder starch biopolymers thermal-reversible cross-linking

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Managing spondylitis tuberculosis in a patient with underlying diabetes and hypothyroidism:A case report

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World Journal of Clinical Cases 2022年第21期10卷 7451-7458页

作者： Bernadette Dian Novita Ari Christy Muliono Sumi Wijaya Imelda Theodora Yudy Tjahjono Vincentius Diamantino Supit Vincentius Michael Willianto Department of Pharmacology and Therapy Faculty of MedicineWidya Mandala Surabaya Catholic UniversitySurabaya 60113East JavaIndonesia Department of Internal Medicine Faculty of MedicineWidya Mandala Surabaya Catholic UniversitySurabaya 60113Indonesia Department of Internal Medicine Premier Surabaya HospitalSurabaya 60111Indonesia Department of Internal Medicine Gotong Royong Surabaya HospitalSurabaya 60110Indonesia Faculty of Pharmacy Widya Mandala Surabaya Catholic UniversitySurabaya 60113Indonesia Department of Pathology Anatomy Faculty of MedicineWidya Mandala Surabaya Catholic UniversitySurabaya 60113Indonesia Department of Emergency Medicine Gotong Royong Surabaya HospitalSurabaya 60110Indonesia Department of General Medicine Faculty of MedicineWidya Mandala Surabaya Catholic UniversitySurabaya 60113Indonesia

BACKGROUND Tuberculosis(TB)remains one of the highest Asia’s health *** TB in diabetes mellitus(DM)and hypothyroidism patients is a rare case of extrapulmonary ***,there is a lack of therapeutic guidelines to treat spondylitis TB,particularly with type 2 DM(T2DM)and hypothyroidism as *** we present a case of spondylitis TB with T2DM and hypothyroidism in a relatively young patient and its therapeutic *** SUMMARY We report the case of a 35-year-old male patient from Surabaya,*** on anamnesis,physical examination,and magnetic resonance imaging,the patient has been categorized in stage II of spondylitis TB with grade 1 ***,the patient also had a high HbA1c level,high thyroid stimulating hormone,and low free T_(4)(FT_(4)),which indicated T2DM and hypothyroidism.A granulomatous process was observed in the histopathological *** antituberculosis drugs isoniazid and rifampicin were *** addition,insulin,empagliflozin,and linagliptin were given to control hyperglycemia conditions,and also levothyroxine to control *** The outcome was *** patient was able to do daily activities without pain and maintained normal glycemic and thyroid *** such cases,we recommend the treatment of spondylitis TB by spinal surgery,together with T2DM and hypothyroidism therapies,to improve the patients’*** early and non-invasive diagnoses and therapy are necessary.

关键词： Spondylitis tuberculosis Type 2 diabetes mellitus Hypothyroidism Case report

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An Improved Transfer-Learning for Image-Based Species Classification of Protected indonesians Birds

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Computers, Materials & Continua 2022年第12期73卷 4577-4593页

作者： Chao-Lung Yang Yulius Harjoseputro Yu-Chen Hu Yung-Yao Chen Department Industrial Management National Taiwan University of Science and TechnologyTaipei106Taiwan Department Electronics and Computer Engineering National Taiwan University of Science and TechnologyTaipei106Taiwan Department Informatics Universitas Atma Jaya YogyakartaYogyakarta55281Indonesia Department Computer Science and Information Management Providence UniversityTaichung433Taiwan

This research proposed an improved transfer-learning bird classification framework to achieve a more precise classification of Protected indonesia Birds(PIB)which have been identified as the endangered bird *** framework takes advantage of using the proposed sequence of Batch Normalization Dropout Fully-Connected(BNDFC)layers to enhance the baseline model of transfer *** main contribution of this work is the proposed sequence of BNDFC that can be applied to any Convolutional Neural Network(CNN)based model to improve the classification accuracy,especially for image-based species classification *** experiment results show that the proposed sequence of BNDFC layers outperform other combination of *** addition of BNDFC can improve the model’s performance across ten different CNN-based *** average,BNDFC can improve by approximately 19.88%in Accuracy,24.43%in F-measure,17.93%in G-mean,23.41%in Sensitivity,and 18.76%in ***,applying fine-tuning(FT)is able to enhance the accuracy by 0.85%with a smaller validation loss of 18.33%*** addition,MobileNetV2 was observed to be the best baseline model with the lightest size of 35.9 MB and the highest accuracy of 88.07%in the validation set.

关键词： Transfer learning convolutional neural network(CNN) species classification protected indonesia bird(PIB)

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Hidden conformal symmetry and pair production near the cosmological horizon in Kerr-Newman-Taub-NUT-de Sitter spacetime

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Chinese Physics C 2023年第3期47卷 239-251页

作者： Haryanto M.Siahaan Center for Theoretical Physics Department of PhysicsParahyangan Catholic UniversityJalan Ciumbuleuit 94Bandung 40141Indonesia

We show that the study of the hidden conformal symmetry that is associated with the Kerr/CFT correspondence can also apply to the cosmological horizon in the Kerr-Newman-Taub-NUT-de Sitter *** symmetry allows employing some two dimensional conformal field theory methods to understand the properties of the cosmological *** entropy can be understood by using the Cardy formula,and the equation for the scattering process in the near region is in agreement with that obtained from a two point function in the two-dimensional conformal field *** also show that pair production can occur near the cosmological horizon in Kerr-Newman-Taub-NUT-de Sitter for near extremal conditions.

关键词： conformal symmetry Ker/CFT de Stter pair production entropy

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Private Sector Ombudsman and Strengthening Consumers＇ Access to Justice： The Experience From Yogyakarta

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Sociology Study 2012年第8期2卷 569-590页

作者： Johanes Widijantoro university ofatma jaya Yogyakarta Indonesia

After the monetary and political crisis of 1997 and 1998, indonesia has been viewed by some observers as having entered into a transitional phase from authoritarian rule by a strong state toward a new democratic system of government in which civil societies will play a more prominent role. Democratization process is also accompanied by the rise of a strong civil society, which would together result in more efficient and transparent governments at local levels. This article aims to show the dynamic of democratization process in indonesia, in which civil societies such as business actors, NGOs （non-government organizations）, journalists, scientists, business associations, consumer organizations, etc., play a more apparent role. Focused on the establishment of Private Sector Ombudsman （Lembaga Ombudsman Swasta--LOS） and also its role and responsibility, the author examines how LOS has become an alternative option for consumers to strengthen access to justice. In the last three years, LOS has succeeded in handling more than 200 cases and some of them have been the hottest issues. On the one hand, the emergence of LOS shows that civil society in Yogyakarta has played a significant role in implementing business ethics and good governance principles, and on the other hand, LOS has been proven to be the answer for consumers＇ needs in which consumers＇ complaints settled quickly, informal, and free of charge.

关键词： Private Sector Ombudsman (Lembaga Ombudsman Swasta--LOS) consumer protection access to justice

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