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Liberica coffee as an alternative cropping system for sustainable farming on Indonesian Peatlands

International Journal of Agricultural and Biological Engineering 2024年第1期17卷 180-188页

作者： Bariot Hafif Yulius Ferry budi martono Rita Harni Kurnia Dewi Sasmita Busyra B.Saidi Maswar Maswar R.Bambang Heryanto Novizar Nazir Fahmuddin Agus Meynarti Sari Dewi Ibrahim National Research and Innovation Agency Research Center for Estate CropsIndonesia National Research and Innovation Agency Research Center for Food CropsIndonesia Faculty of Agricultural Technology Andalas UniversityIndonesia

Indonesian peatlands are a fragile ecosystem,and to protect it,growing Liberica coffee is a promising way for both the environment and the *** study aimed to evaluate the performance of the liberica coffee on peatland with different water tables and develop an improved cultivation system in this *** study area was in Tanjung Jabung Barat District,Jambi Province,*** plant age is greater than 15 years and the average plant density was about 1000 trees/*** study was conducted in two *** 1st stage was a survey to identify and characterize smallholder liberica coffee farming at three peatland zones,namely 0-100 m,200-300 m,and>400 m from the principal drainage canal,and the 2nd stage was a field experiment to test the effectiveness of amendments in improving liberica coffee growth and improving degraded *** treatments were arranged in a randomized complete block design with four replications,including manure(M),at the rate of 10 t/hm^(2);lime(L),3 t/hm^(2);peat surface elevation(P),and a farmer’s practice(Control)without manure and/or lime as a *** research revealed that liberica coffee can not tolerate high water table as it may stimulate disease incidence and cause low-quality ***,recycling of organic C of about 17.14 t/(hm^(2)·a)through cherry residue application and litter compensated part of the loss of organic C through CO_(2)emissions,coffee bean removal,and maintaining peat fertility for sustainable *** low yield of(0.70±0.12)t/(hm^(2)∙a)coffee bean could be increased to(0.87±0.24)and(0.94±0.14)t/(hm^(2)∙a)by adding 3 t/(hm^(2)∙3a)of lime or 10 t/(hm^(2)∙a)of manure,*** research revealed that water table management and amendments are two main factors in liberica coffee farming on *** is of great significance to study the cultivation technology of coffee in peatland.

关键词： degraded peat amendments water table cultivation system liberica coffee alternative cropping system sustainable farming Indonesian Peatlands

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Enhanced electromagnetic wave absorption via optical fiber-like PMMA@Ti_(3)C_(2)T_(x)@SiO_(2) composites with improved impedance matching

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Nano Research 2024年第3期17卷 1676-1686页

作者： Huanhuan Niu Xuewen Jiang Wei Li Zhiyu Min budi Riza Putra Wulan Tri Wahyuni Hailong Wang Rui Zhang Bingbing Fan School of Material Science and Engineering Zhengzhou UniversityZhengzhou 450001China School of Materials Science and Engineering Tongji UniversityShanghai 201804China Department of Materials and Earth Sciences Technical University of DarmstadtDarmstadt 64287Germany School of Material Science and Engineering Luoyang Institute of Science and TechnologyLuoyang 471023China Research Center for Metallurgy National Research and Innovation Agency(BRIN)PUSPIPTEK Gd.470South TangerangBanten 15315Indonesia Analytical Chemistry Division Department of ChemistryFaculty of Mathematics and Natural SciencesIPB UniversityWest Java 16680Indonesia

Ti_(3)C_(2)T_(x) nanosheets have attracted significant attention for their potential in electromagnetic wave absorption(EWA).However,their inherent self-stacking and exorbitant electrical conductivity inevitably lead to serious impedance mismatch,restricting their EWA ***,the optimization of impedance matching becomes *** this work,we developed polymethyl methacrylate(PMMA)@Ti_(3)C_(2)T_(x)@SiO_(2) composites with a sandwich-like core–shell structure by coating SiO_(2) on PMMA@Ti_(3)C_(2)T_(x).The results demonstrate that the superiority of the SiO_(2) layer in combination with PMMA@Ti_(3)C_(2)T_(x),outperforming other relative graded distribution structures and meeting the requirements of EWA *** resulting PMMA@Ti_(3)C_(2)T_(x)@SiO_(2) composites achieved a minimum reflection loss of-58.08 dB with a thickness of 1.9 mm,and an effective absorption bandwidth of 2.88 *** analysis revealed that the structural design of SiO_(2) layer not only optimized impedance matching,but also synergistically enhanced multiple loss mechanisms such as interfacial polarization and dipolar ***,this work provides valuable insights for the future preparation of high-performance electromagnetic wave absorbing Ti_(3)C_(2)T_(x)-based composites.

关键词： polymethyl methacrylate(PMMA)@Ti_(3)C_(2)T_(x)@SiO_(2)composites impedance match SiO_(2)layer optical fiber-like structure interfacial polarization and dipolar polarization

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Preparedness training programs improved the emergency response and crucial outcomes among nursing students:a scoping review

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Frontiers of Nursing 2024年第2期11卷 159-167页

作者： budi Mulyana Rian Adi Pamungkas Widia Sari Anita Sukarno Ernalinda Rosya Wiwik Wariani Department of Nursing Universitas Esa UnggulKebon JerukJakarta Barat 11510Indonesia Department of Nursing Wishan Global MedikaRoseville Soho&Suite#1612 Sunburst CBD Lot 1.8BSD Tangerang Selatan 15321Indonesia

Objective:The study aims to review and discuss the outcomes of emergency preparedness training programs among nursing ***:A scoping review was conducted based on the guidelines of Arskey and O’*** through PubMed,Science Direct,and Google Scholar were used to obtain the relevant articles within the scoping ***:The researchers found 1175 *** manual review,28 articles were identified and *** review reported that the emergency preparedness training program significantly affects preparedness,knowledge,performance,self-efficacy,learning motivation,self-confidence,satisfaction,critical decision-making,and ***:Emergency training effectively increases knowledge,skills,confidence,satisfaction,and team performance.

关键词： emergency preparedness first aid nursing students training program emergency response disaster management team performance

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Sorghum Productivity and Its Farming Feasibility in Dryland Agriculture:Genotypic and Planting Distance Insights

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Phyton-International Journal of Experimental Botany 2024年第5期93卷 1007-1021页

作者： Kristamtini Sugeng Widodo Heni Purwaningsih Arlyna budi Pustika Setyorini Widyayanti Arif Muazam Arini Putri Hanifa Joko Triastono Dewi Sahara Heni Sulistyawati Purwaning Rahayu Pandu Laksono Diah Arina Fahmi Sutardi Joko Pramono Rachmiwati Yusuf Research Center for Food Crops National Research and Innovation AgencyJl.Raya Bogor-JakartaCibinong Bogor16911Indonesia Research Center for Behavioral and Circular Economics National Research and Innovation AgencyJl.Jend.Gatot Subroto No.10Jakarta12710Indonesia Research Center for Food Technology and Processing National Research and Innovation AgencyJl.Jogja-Wonosari Km 31.5 GadingPlayenGunungkidulYogyakarta5586Indonesia Research Center for Horticultural and Estate Crops National Research and Innovation AgencyJl.Raya Jakarta-BogorCibinongKabupaten Bogor16915Indonesia

Sorghum(Sorghum bicolor ***)is an essential food crop for more than 750 million people in tropical and sub-tropical dry climates of Africa,India,and Latin *** domestic sorghum market in Indonesia is still limited to the eastern region(East Nusa Tenggara,West Nusa Tenggara,Java,and South Sulawesi).Therefore,it is crucial to carry out sorghum research on *** research aimed to investigate the effect of sorghum genotype and planting distance and their interaction toward growth and sorghum’s productivity in the Gunungkidul dryland,Yogyakarta,*** addition,the farm business analysis,including the feasibility of sorghum farming,was also *** research used a randomized complete block design(RCBD),arranged in a 5×4 factorial with 3 *** first treatment consisted of 5 varieties(2 high-yielding varieties(Bioguma 1 and Kawali)and 3 local sorghum varieties(Plonco,Ketan Merah,and Hitam Wareng)).The second treatment consisted of 4 levels of planting distance,namely 50×20 cm,60×20 cm,70×15 cm,and 70×20×20 *** of variance was used to analyze the data,where Duncan’s multiple range test(DMRT)was used post *** height,panicle height,panicle width,panicle weight,stover weight,grains weight/plot,and productivity were significantly affected by sorghum varieties(p<0.05).However,there was no significant effect from the planting distance treatment and no interaction between planting distance and varietal *** Merah had the highest height,panicle length,and panicle width,while Bioguma 1 had the highest stover weight,panicle weight,grain weight/plot,and *** was a significant linear regression equation,i.e.,productivity=0.0054–0.0003 panicle height+0.4163 grains weight/*** findings on farm business analysis suggested that four out of five tested sorghum varieties were feasible to grow,except for the Ketan Merah *** most economically profitable sorghum variety to grow in Gunungkidul dryland was

关键词： Sorghum dryland agriculture planting space variety local Gunungkidul

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Reliability of Echocardiographic Pulmonary Vascular Resistance to Screen for the New Definition of Precapillary Pulmonary Hypertension in Uncorrected Secundum Atrial Septal Defect

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Congenital Heart Disease 2024年第3期19卷 315-324页

作者： Risalina Myrtha Hasanah Mumpuni Real Kusumanjaya Marsam Dyah Wulan Anggrahini Anggoro budi Hartopo Lucia Kris Dinarti Department of Cardiology and Vascular Medicine Faculty of MedicineUniversitas Sebelas MaretSurakarta57126Indonesia Department of Cardiology and Vascular Medicine Universitas Sebelas Maret HospitalSukoharjo57161Indonesia Department of Cardiology and Vascular Medicine Faculty of MedicinePublic Healthand NursingUniversitas Gadjah MadaYogyakarta55281Indonesia Department of Cardiology and Vascular Medicine Dr.Sardjito HospitalYogyakarta55284Indonesia

Background and Objective:The most feared complication of uncorrected secundum Atrial Septal Defect(ASD)is pulmonary arterial hypertension(PAH).Pulmonary vascular resistance(PVR)is crucial in detecting precapil-lary pulmonary hypertension(PH)to guide the need for PAH-speciﬁc *** is a change in the cut-off value of PVR according to the recently updated PH *** echocardiographic PVR(PVRecho)correlates to PVR by right heart catheterization(RHC)(PVRcath)according to the new guidelines has not been *** aim of this study is to determine the reliability of PVRecho in detecting PAH in Uncorrected Ostium Secundum ASD based on the current updated guideline and to help screen the high PVR ***:429 ostium secun-dum ASD in the COngenital HeARt Disease in Adult and Pulmonary Hypertension(COHARD-PH)registry was divided into three groups according to the *** was calculated using Abbas’Formula and compared the its gold standard,the *** correlation between the two methods was *** Bland-Altman plot was used to analyze the agreement between the two *** operating characteristics(ROC)analysis was used to determine the PVRecho cut-off value for high ***:The majority of the population(63.5%)had high *** gender dominated the study population(84%).PVR_(echo) was signiﬁcantly correlated with PVRcath(r=0.6225,p1.62 WU showed good dis-criminatory power in determining high PVR.

关键词： Pulmonary vascular resistance atrial septal defect echocardiography

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Surface reconstruction with spherical harmonics and its application for single particle crushing simulations

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Journal of Rock Mechanics and Geotechnical Engineering 2022年第1期14卷 232-239页

作者： Deheng Wei budi Zhao Yixiang Gan School of Civil Engineering The University of SydneySydneyNSW2006Australia School of Civil Engineering University College DublinDublinIreland

Particle morphology has great influence on mechanical behaviour and hydro/thermal/electrical conductivities of granular *** reconstruction and mesh generation are critical to consider realistic particle shapes in various computational *** study adopts the combined finitediscrete element method(FDEM)to investigate single particle crushing *** shapes were reconstructed with spherical harmonic(SH)in both spherical and Cartesian coordinate ***,the reconstructed surface mesh qualities in two coordinate systems are investigated and *** the efficiency of the two SH systems in reconstructing star-like shapes is nearly identical,SH in Cartesian coordinate system can reconstruct non-star-like shapes with the help of surface ***,a higher triangular mesh quality is generated with spherical *** single particle crushing tests,the low mesh quality produces more fluctuations on load-displacement *** particles with more surficial mesh elements tend to have a lower contact stiffness due to more contact stress concentrations induced by complexity of morphology features and more volumetric tetrahedral *** fracture patterns are also influenced by mesh quality and density,e.g.a particle with fewer mesh elements has a simpler fragmentation *** study serves as an essential step towards modelling particle breakage using FDEM with surface mesh directly from SH reconstruction.

关键词： Numerical modelling Particle morphology Particle crushing/crushability Particle-scale behaviour Sands

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Field and numerical modelling on the stability of underground strata in longwall workings

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能源地球科学(英文) 2023年第1期4卷 1-12页

作者： G.budi K Nageswara Rao Punit Mohanty Department of Mining Engineering Indian Institute of Technology(ISM)Dhanbad826004India CSIR-Central Institute of Mining and Fuel Research Dhanbad826001India

The longwall method is one of the feasible and efficient underground mining methods for greater depth of ***,Singareni Collieries Company Limited(SCCL),the largest coal-producing government company in the Southern part of India,has deployed a high capacity(2×1152T capacity)power support system in its Adriyala Longwall Project(ALP)at a depth of 375 *** was a concern about the stability of the longwall workings and the protective ***,research work was carried out with the geotechnical instruments and numerical modelling tools to analyze the stability while retreating the longwall *** outcomes revealed that the convergence in the gate roads increased with the longwall face advancement and the area of *** pressure of the powered support legs on the dip side was less than the rise side legs,which implies a stable roof condition over the longwall *** abutment zone was identified ahead of the line of extraction up to 10e25 m and presumed from the Factor of Safety(FoS)criterion that within this zone,the longwall pillar possibly will be of better stability at every stage of *** results obtained from this study would be helpful for the mining engineers to understand the behaviour of underground strata in longwall workings.

关键词： Adriyala longwall Project(ALP) Strata behaviour Field and numerical modelling

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Performance evaluation of IoT-based service system for monitoring nutritional deficiencies in plants

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农业信息处理(英文) 2023年第1期10卷 52-70页

作者： Heri Andrianto Suhardi Ahmad Faizal Novianto budi Kurniawan Dimas Praja Purwa Aji School of Electrical Engineering and Informatics Institut Teknologi BandungBandung 40132Indonesia School of Life Sciences and Technology Institut Teknologi BandungBandung 40132Indonesia Directorate of Statistical Information System Statistics of IndonesiaJakarta 10710Indonesia

This study aimed to develop and evaluate the performance of a service system platform based on the Internet of Things(IoT)for monitoring nutritional deficiencies in plants and providing fertilizer *** are two distinct differences between this work and previous ones;namely,this service system platform has been developed based on IoT using a system engineering approach and its performance has been evaluated using *** have successfully developed and integrated a service system platform and chlorophyll meter that is based on *** have also successfully tested the performance of the service system platform using the JMeter *** dependability value measured from the five tested variables(reliability,availability,integrity,maintainability,and safety)showed a value of 0.97 which represents a very good level of system confidence in not failing to deliver services to users under normal operational *** a future perspective,this platform can be used as an alternative service to monitor nutrient deficiencies in plants and provide fertilization recommendations to increase yields,reduce fertilizer costs,and prevent the use of excessive fertilizers,which can cause environmental pollution.

关键词： Dependability Fertilization recommendation Internet of Things Nutritional deficiencies Service system platform System engineering

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An Improvement in Power Quality and By-Product of the Run-Off River Micro Hydro Power Plant

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Energy Engineering 2023年第6期120卷 1295-1305页

作者： Ignatius Riyadi Mardiyanto Jangkung Raharjo Sri Utami Wahyu budi Mursanto Agoeng Hardjatmo Rahardjo Department of Energy Conversion Bandung State of PolytechnicBandung40559Indonesia School of Electrical Engineering Telkom UniversityBandung40257Indonesia

Utilization of Micro Hydro Power Plant at the Gunung Halu case study type run-off the river is a household use only in the afternoon,around 5 pm until bedtime at about 10 ***,more than 75%of the energy is *** case study lost power which can be used as a by-product,such as for drying coffee *** this case study,a design was carried out to obtain by-products and improve power quality in the electrical *** addition,they complain about the poor quality of power controlled by frequency using Triac-Based Electronic Dummy Load *** heat from the dummy load in the case study is used as a *** with a minimum power of 20 kW,and the usage time of customer service is about 6 *** energy for the by-products is about 360 kWh/day,and the power quality improved by using Triac-Based Electronic Load Control and Hysteresis Current Control for the active *** a result,the power factor is close to one,the generator current harmonics is less than 2%,and the voltage harmonics is less than 5%.

关键词： Electronics load controller triac-based hysteresis current control power quality micro-hydro power

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Multifunctional SiC@SiO_(2) Nanofiber Aerogel with Ultrabroadband Electromagnetic Wave Absorption

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Nano-Micro Letters 2022年第9期14卷 237-256页

作者： Limeng Song Fan Zhang Yongqiang Chen Li Guan Yanqiu Zhu Mao Chen Hailong Wang budi Riza Putra Rui Zhang Bingbing Fan School of Materials Science and Engineering Zhengzhou UniversityZhengzhou 450001HenanPeople’s Republic of China School of Materials Science and Engineering Zhengzhou University of AeronauticsZhengzhou 450015HenanPeople’s Republic of China College of Engineering Mathematics and Physical SciencesUniversity of ExeterExeter EX44SBUK Research Center for Metallurgy National Research and Innovation AgencySouth Tangerang 15315BantenIndonesia State Key Laboratory of Crystal Materials Shandong UniversityJinan 250100ShandongPeople’s Republic of China School of Materials Science and Engineering Luoyang Institute of Science and TechnologyLuoyang 471023HenanPeople’s Republic of China

Traditional ceramic materials are generally brittle and not flexible with high production costs,which seriously hinders their practical *** nanofiber ceramic aerogels are highly desirable for applications in extreme environments,however,the integration of multiple functions in their preparation is extremely *** tackle these challenges,we fabricated a multifunctional SiC@SiO_(2) nanofiber aerogel(SiC@SiO_(2) NFA)with a threedimensional(3D)porous cross-linked structure through a simple chemical vapor deposition method and subsequent heat-treatment *** as-prepared SiC@SiO_(2) NFA exhibits an ultralow density(~11 mg cm^(-3)),ultra-elastic,fatigue-resistant and refractory performance,high temperature thermal stability,thermal insulation properties,and significant strain-dependent piezoresistive sensing ***,the SiC@SiO_(2) NFA shows a superior electromagnetic wave absorption performance with a minimum refection loss(RL_(min))value of-50.36 d B and a maximum effective absorption bandwidth(EAB_(max))of 8.6 *** successful preparation of this multifunctional aerogel material provides a promising prospect for the design and fabrication of the cutting-edge ceramic materials.

关键词： Multifunctional SiC@SiO_(2)nanofiber aerogel Chemical vapor deposition Electromagnetic wave absorption Ceramic materials

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