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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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Active disturbance rejection distributed secondary control for DC microgrids

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High Voltage 2024年第1期9卷 241-251页

作者： Jianlin Li Honghao You Shuo Liu Xingchen Li Ziyang Ding Fei Zou National User-Side Energy Storage innovation research and Development center North China University of TechnologyBeijingChina

A novel control scheme is presented to eliminate the negative effects of communication disturbances,which introduces active disturbance rejection control(ADRC)in the control strategy design to achieve the objectives of the restoration of the bus voltage and the sharing of the power even in the presence of disturbances and delays in ***,its dynamic disturbance decoupling feature is used to realise the decoupling between power and voltage,so that the proposed controller only exchanges power information with its neighbours,reducing the communication burden and simplifying control *** control performance of the strategy is verified by employing steady-state *** impact of controller parameters is studied by establishing a small signal ***,both simulation cases and experimental tests prove the feasibility of this scheme.

关键词： Active disturbance establishing

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Lattice Boltzmann simulation study of anode degradation in solid oxide fuel cells during the initial aging process

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International Journal of Minerals,Metallurgy and Materials 2024年第2期31卷 405-411页

作者： Shixue Liu Zhijing Liu Shuxing Zhang Hao Wu Hydrogen Energy Industrial Technology innovation center China Nuclear Power Technology Research InstituteShenzhen 518031China Shenzhen Engineering research center for Hydrogen Safety Shenzhen 518031China

For present solid oxide fuel cells(SOFCs),rapid performance degradation is observed in the initial aging process,and the dis-cussion of the degradation mechanism necessitates quantitative ***,focused ion beam-scanning electron microscopy was em-ployed to characterize and reconstruct the ceramic microstructures of SOFC *** lattice Boltzmann method(LBM)simulation of multiphysical and electrochemical processes in the reconstructed models was *** samples collected from industrial-size cells were characterized,including a reduced reference cell and a cell with an initial aging *** parameters of the reconstructed microstructures revealed a significant decrease in the active triple-phase boundary and Ni connectivity in the aged cell compared with the reference *** LBM simulation revealed that activity degradation is dominant compared with microstructural degradation during the initial aging process,and the electrochemical reactions spread to the support layer in the aged *** microstructural and activity de-gradations are attributed to Ni migration and coarsening.

关键词： solid oxide fuel cell anode degradation focused ion beam-scanning electron microscopy lattice Boltzmann method

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Food-derived protein hydrolysates and peptides:anxiolytic and antidepressant activities,characteristics,and mechanisms

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Food Science and Human Wellness 2024年第3期13卷 1168-1185页

作者： Wenhui Li Yu Xi Junru Wang Yinxiao Zhang He Li Xinqi Liu Beijing Advanced innovation center for Food Nutrition and Human Health Beijing Engineering and Technology Research Center of Food AdditivesNational Soybean Processing Industry Technology Innovation CenterBeijing Technology and Business UniversityBeijing 100048China

Globally,the prevalence of anxiety and depression has reached epidemic ***-derived protein hydrolysates and peptides delivered through dietary supplementation can avoid the negative risks associated with traditional pharmaceuticals while delivering superior anxiolytic and antidepressant *** review summarizes current research on food-derived anxiolytic and antidepressant protein hydrolysates and peptides,and subsequently analyses their physicochemical characteristics and elaborates on their *** aim of this work is to contribute to the in-depth study and provide a theoretical foundation for the development of related products to better serve patients with anxiety and depression.

关键词： Anxiolytic Antidepressant Peptides Protein hydrolysates Neurotransmitter

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Unveiling of Terahertz Emission from Ultrafast Demagnetization and the Anomalous Hall Effect in a Single Ferromagnetic Film

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Chinese Physics Letters 2024年第4期41卷 45-50页

作者：蓝志强李章顺徐浩然刘凡金钻明彭滟朱亦鸣 Terahertz Technology innovation research Institute Terahertz Spectrum and Imaging Technology Cooperative Innovation CenterShanghai Key Lab of Modern Optical SystemUniversity of Shanghai for Science and TechnologyShanghai 200093China

Using THz emission spectroscopy,we investigate the elementary spin dynamics in ferromagnetic single-layer Fe on a sub-picosecond *** demonstrate that THz radiation changes its polarity with reversal of the magnetization applied by the external magnetic *** addition,it is found that the sign of THz polarity excited from different sides is defined by the thickness of the Fe layer and Fe/dielectric *** on the thickness and symmetry dependences of THz emission,we experimentally distinguish between the two major contributions:ultrafast demagnetization and the anomalous Hall *** experimental results not only enrich understanding of THz electromagnetic generation induced by femtosecond laser pulses but also provide a practical way to access laser-induced ultrafast spin dynamics in magnetic structures.

关键词： magnetic magnetization polarity

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Determinants of malaria from environmental and poverty aspects in Indonesia:A spatiotemporal perspective,2016-2020

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Asian Pacific Journal of Tropical Medicine 2024年第6期17卷 256-267页

作者： Afi Nursafingi Prima Widayani Sidiq Purwoko Andy Bhermana research center for Public Health and Nutrition Research Organization for HealthNational Research and Innovation AgencyJakartaIndonesia Department of Geographic Information Science Faculty of GeographyUniversitas Gadjah MadaYogyakartaIndonesia center for Food Crops Research Organization for Agriculture and FoodNational Research and Innovation AgencyJakartaIndonesia

Objective:To investigate the environmental and social aspects of poverty contributing to malaria incidence in Indonesia from 2016 to ***:Random forest regression was used to analyse the independent variables contributing to malaria *** conditions were extracted from remotely sensed data,including vegetation,land temperature,soil moisture,precipitation,and *** contrast,the social aspects of poverty were obtained from government statistical ***:From 2016 to 2020,the contribution of each environmental and social aspect of poverty to malaria incidence fluctuated ***,the top three essential variables were people aged 15 years and above,experiencing poverty(variable importance/VI=32.0%),people experiencing poverty who work in the agricultural sector(VI=14.4%),and precipitation(VI=9.8%).It was followed by people experiencing poverty who are unemployed(VI=9.2%),land temperature(VI=5.2%),people experiencing poverty who have low education(VI=8.0%),soil moisture(VI=7.4%),elevation(VI=6.0%),and vegetation(VI=3.8%).Conclusions:Poverty and variables related to climate have become the crucial determinants of malaria in *** government must strengthen malaria surveillance through climate change mitigation and adaptation programs and accelerate poverty alleviation programs to support malaria elimination.

关键词： Malaria Poverty Climate Random forest Indonesia

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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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Polarization-dependent photoinduced metal–insulator transitions in manganites

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Science Bulletin 2024年第2期69卷 183-189页

作者： Lina Deng Weiye Zhang Hanxuan Lin Lifen Xiang Ying Xu Yadi Wang Qiang Li Yinyan Zhu Xiaodong Zhou Wenbin Wang Lifeng Yin Hangwen Guo Chuanshan Tian Jian Shen State Key Laboratory of Surface Physics Institute for Nanoelectronic Devices and Quantum Computingand Department of PhysicsFudan UniversityShanghai 200433China Shanghai research center for Quantum Sciences Shanghai 201315China Zhangjiang Fudan International innovation center Fudan UniversityShanghai 201210China Collaborative innovation center of Advanced Microstructures Nanjing 210093China Shanghai Branch CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum PhysicsShanghai 201315China

In correlated oxides,collaborative manipulation on light intensity,wavelength,pulse duration and polarization has yielded many exotic discoveries,such as phase transitions and novel quantum *** view of potential optoelectronic applications,tailoring long-lived static properties by light-induced effects is highly *** far,the polarization state of light has rarely been reported as a control parameter for this ***,we report polarization-dependent metal-to-insulator transition(MIT)in phaseseparated manganite thin films,introducing a new degree of freedom to control static ***,we observed giant photoinduced resistance jumps with striking features:(1)a single resistance jump occurs upon a linearly polarized light incident with a chosen polarization angle,and a second resistance jump occurs when the polarization angle changes;(2)the amplitude of the second resistance jump depends sensitively on the actual change of the polarization *** transmittance measurements reveal that the origin of the above phenomena is closely related to the coexistence of anisotropic *** results represent a first step to utilize light polarization as an active knob to manipulate static phase transitions,pointing towards new pathways for nonvolatile optoelectronic devices and sensors.

关键词： Metal-insulator phase transitions Polarization of light Electronic phase separation Selective domain controllability

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Recent research in mechanical properties of geopolymer-based ultrahigh-performance concrete:A review

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Defence Technology（防务技术） 2024年第2期32卷 67-88页

作者： G.Murali Division of research&innovation Uttaranchal UniversityDehradun 248007India

Due to the growing need for sustainable and ultra-high-strength construction materials,scientists have created an innovative ultra-high-performance concrete called Geopolymer based ultra-highperformance concrete(GUHPC).Besides,in the last few decades,there have been a lot of explosions and ballistic attacks around the world,which have killed many civilians and fighters in border *** this context,this article reviews the fresh state and mechanical properties of ***,the ingredients of GUHPC and fresh properties such as setting time and flowability are briefly ***,the review of compressive strength,flexure strength,tensile strength and modulus of elasticity of fibrous ***,the blast and projectile impact resistance performance was ***,the microstructural characteristics were reviewed using the scanning electron microscope and X-ray Powder *** review outcome reveals that the mechanical properties were increased when 30%silica fume was added to a higher dose of steel fibre to improve the microstructure of *** is hypothesized that the brittleness of GUHPC was mitigated by adding 1.5%steel fibre reinforcement,which played a role in the decrease of contact explosion cratering and *** the need for cement in GUHPC was a key factor in the review,indicating a promising potential for lowering carbon ***,GUHPC research is still in its early stages,so more study is required before its full potential can be utilized.

关键词： Mechanical properties Blast Projectile impact Fibre Geopolymer Silica fume Alkaline activators

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Optimizing Sorghum Productivity Using Balanced Fertilizers on Dryland

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Phyton-International Journal of Experimental Botany 2024年第7期93卷 1403-1420页

作者： Samijan Samijan Endah Nurwahyuni Sri Minarsih Agus Supriyo Sodiq Jauhari Yulis Hindarwati Meinarti Norma Setiapermas Raden Heru Praptana Endah Winarni Vina Eka Aristya research center for Food Crops Research Organization for Agriculture and FoodNational Research and Innovation Agency(BRIN)Cibinong Science CenterJl.Raya Jakarta-Bogor Km.46Bogor16911Indonesia

Sorghum is theﬁfth most required cereal crop *** bicolor has the advantage of being adaptive to both lowland and dryland,with drought-tolerant and wide *** low nutrient availability in dryland requires additional effective fertilizers to increase sorghum *** research aimed to assess the appli-cation of organic,inorganic,and biofertilizers for sorghum productivity on *** in Central Java,Indonesia as dryland sorghum areas,from November 2022 to February *** experiment cooperates with the farmers in a split-plot design,the main plot was two varieties and subplots of four *** enhanced sorghum yield(21.38%–36.06%)with combined fertilizer was greater than the existing *** con-trol does not rely on inorganic fertilizers but also on applying *** sorghum farming economic value farming indicated that combinations of fertilizer treatments and varieties provide beneﬁts of USD 929.81–1955.81 with a revenue-cost ratio(R/C)value>*** is an essential food commodity that faces the threat of the global crisis and an unfavorable *** study indicated balanced fertilizers could provide sufﬁ-cient nutrients to the soil and increase nutrient absorption availability for sorghum growth and *** fertilization increases the uptake of N,P,and K nutrients correlates with an increase in yield of 21.38%–36.06%.

关键词： Biofertilizer dryland adaptability economic value sorghum potential yield

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