bluuebunny/crossref_metadata_2025_split huggingface dataset:
One-step hydrothermal synthesis of Pt and N-doped carbon quantum dots co-activated as novel electrocatalysts for oxygen reduction reaction
Authors: Zhang Shuai , Wei Mingrui , Liu Yihui 
Published: June 2024

Abstract
In this paper, a novel nano-electrocatalyst (Pt@N-CDs/RGO) with reduced graphene oxide as the carrier and platinum (Pt) and nitrogen-doped carbon quantum dots (N-CDs) together as the active sites was prepared by a simple hydrothermal method. By comparing the electrochemical properties of commercial platinum carbon (Pt/C) and Pt@N-CDs/RGO at 20% wt Pt, it was found that Pt@N-CDs/RGO exhibited excellent ORR properties, such as an onset potential (Eonest
) of 1.10 V, a half-wave potential (E1/2) of 0.82 V, a limiting current density of 5.06 mA/cm2, and a number of transferred electrons as high as 3.97. By using the chronoamperometric method (CA) to cycle for 10000 s, it was found that the stability of both, Pt@N-CDs /RGO maintains 18% activity after a cycle of 10000 seconds, which is much higher than Pt/C. The study showcased a new efficient and durable catalyst for PEMFCs.
Preparation of BiOCl/Bi2S3 composites by polyol method for photocatalytic reduction of CO2
Authors: Liao Siyang , Peng Zeping , Wang Jie 
Published: June 2024

Abstract
BiOCl/Bi2S3 composites were synthesized by polyol method under 80°C water bath condition, and the composite BiOCl/Bi2S3 has excellent photocatalytic activity for carbon dioxide compared with single BiOCl. Among them, BiOCl/Bi2S3-4 h has a higher conversion efficiency, which is mainly caused by the structural characteristics of BiOCl/Bi2S3 and the proportional content of Bi2S3 in the composite therein. The corresponding composites can be best formed in a hollow spherical morphology when the synthesis time is 4 h.
Research on the preparation and road performance of modified epoxy resin chip seal
Authors: Wang Jie , Xu Jianhui , Wang Min , Hao Zengheng , Xiao Li , Liu Pan , Shang Fei , Yue Xiaowen , Huang Hao , Chen Shiqi 
Published: June 2024

Abstract
In order to explore the road performance of modified epoxy resin on cement concrete surfaces, based on the modified epoxy resin and flexible curing agent, the road performance of modified epoxy resin chip seal with different pavement structures and binder dosage was studied. When using the premixed structure with 3 to 5 mm gravel, the friction coefficient value of the chip seal was 48, the 7d wet wheel wear value was 254.5 g/m2. When using the layered structure with 3 to 5 mm gravel, the friction coefficient value of the chip seal was 84. The bond strength between the modified epoxy chip seal and the cement concrete surface was 3.13 MPa using the layered structure. The research results showed that the road performance of the layered structure chip seal was better than that of the premixed structure chip seal. The chip seal with a layered structure was more suitable for the preventive maintenance of cement concrete pavement.
Interfacial compatibility design of high-performance electrolytes for SiCO-based all-solid-state lithium battery
Authors: Yang Duo , Liao Ningbo 
Published: June 2024

Abstract
As a new type of Lithium-ion batteries technology, all-solid-state Lithium-ion battery is regarded as one of the cutting-edge directions for new-generation battery technology. The biggest challenge of solid-state Li battery technology is that interface compatibility and stability problems must be solved urgently. In this paper, we specialize in the overall design of solid electrolyte interfacial compatibility and study the interfacial compatibility and stability by calculating the interfacial region interactions, charge transfer, adhesion energy, adsorption energy, interface formation energy, diffusion barrier, and density of states changes through the first nature principle. We conclude that LLZO solid-state electrolytes exhibit excellent interfacial properties, and interfacial compatibility and stability are further improved after doping. This paper shows a theoretical framework for exploiting novel electrolyte materials in all-solid-state battery.
Numerical simulation research of winding tension system based on hoop residual stress of thick-walled composite
Authors: Miao Yanan , Liu Xingpeng , Geng Yuru , Zhang Min 
Published: June 2024

Abstract
The forming quality of the composite shell is closely related to the tension system. Nowadays, although there are many studies on the tension system, most of them take the thin-walled composite material forming process derived by the deflection equation as the research object, which is relatively simple. Therefore, due to the limitation of the traditional two-step forming process of winding and curing or the in-situ forming process of winding followed by curing, the product forming efficiency and quality is not high. Moreover, the tension system establishment method based on the existing forming process cannot reflect the variation trend of the temperature field and the coupling law of the temperature-curing degree field during winding. It is difficult to reflect the influence of thermal parameters on winding tension in real-time, resulting in the mismatch between the actual winding tension and the established tension system. Therefore, this paper adopts the heated-mandrel winding process based on winding with curing to establish a tension system model to solve the above problems. The original tension calculation equations are re-derived to establish a winding tension system that considers the variation of stress caused by the temperature field. Finally, the hoop residual stress distribution is simulated to verify the applicability of the established tension system based on the heated-mandrel winding process.
Study on electrochemical corrosion dynamics of cathode dic shield in concrete crack
Authors: Zhang Shutong , Yan Xiaodong 
Published: June 2024

Abstract
Corrosion of steel reinforcement is a primary factor that negatively impacts the service life and safety of bridges made of concrete. Cathodic protection techniques are widely used to protect reinforcing bars in concrete against corrosion. However, it is inevitable that corrosion cracks will develop in the concrete during long-term operation, which will significantly shorten the cathodic current protection distance and increase the degree of corrosion of the rebar within the cracks. Therefore, electrochemical experiments and characterization of corrosion forms were carried out based on the company’s design of a rectangular connection device, we studied HRB500 steel in 3 wt.% corrosion behavior in rectangular joints under different CP current densities in NaCl solution. The results showed that with increasing experimental time, the corrosion in the crevice transitioned from activation corrosion to oxygen concentration corrosion, with the open-pore potential of the HRB500 steel inside the crevice appearing as a positive shift and the open-pore potential outside the crevice shifting from positive to negative. When implementing cathodic protection, the corrosion of HRB500 steel within the crevice is activated, while the corrosion outside the crevice changes from anodic to mixed controlled corrosion and from full to pitting corrosion. With the increase of CP current density, the corrosion process of HRB500 steel outside the gap is mainly dominated by cathode control, then gradually weakens, and the corrosion form changes from pitting to comprehensive corrosion.
Reallocating crops raises crop diversity without changes to field boundaries and farm-level crop composition
Authors: Wesemeyer Maximilian , Müller Daniel , Lakes Tobia 
Published: June 2024

Abstract
Higher crop diversity can enhance biodiversity and ecosystem services; however, it remains unclear to what extent and where crop diversity can be increased. We use spatially explicit multiscale optimization to determine potential and attainable crop diversity with field-level land use data for case studies in Brandenburg, Germany. Our model maximizes crop diversity at the landscape scale while reassigning crop types over multiple years to existing arable fields. The model implements field-level crop sequence rules and maintains the crop composition of each farm and for each year. We found that a 10% higher crop diversity can be attained on average compared to currently observed diversity; minor changes in crop composition would close this gap. Improved crop allocation can contribute to closing the gap between observed and attainable crop diversity, which in turn can increase biodiversity, improve pollination services, and support pest control.
Optimizing Seaweed Capsule Shell Formula with Multiple Disintegrants to Accelerate Disintegration Time
Authors: Soraya M , Laksono H , Purwoto H , Dyah C K , Putri R P G , Royanti I , Sari D D P 
Published: June 2024

Abstract
Seaweed-based capsule shells are gaining popularity due to their animal-free sourcing and guaranteed quality. However, these shells often suffer from prolonged disintegration. Various studies have explored formulations with additional disintegrants like polyvinylpyrrolidone (PVP) K-30, yet results have fallen short of pharmacopeia standards. In this research, multiple disintegrants and formulations were tested to develop seaweed capsule shells with rapid disintegration times. The variation in composition of disintegrants was determined using Simplex Lattice Design (SLD) in Design Expert® 13.0.12. By altering the variables in the form of concentrations of PVP K-30, Avicel PH 101, Primogel, Amylum Manihot, Carrageenan, Tween 80, and Aquadest. Primary targets were to identify disintegrants that can significantly reduce disintegration time while maintaining adherence to pharmacopeia standards. Using primogel can fully produce a capsule shell with a promising disintegration time of around 17 minutes, thereby achieving the objective of expediting the disintegration process. Primogel also reduces the critical gel point to 48.23°C when completely replacing PVP K-30. However, balancing desirability proved challenging, as reducing PVP K-30 led to increased disintegration time. Other disintegrants, like Avicel PH 101 or amylum manihot, had no significant impact on disintegration time or gel point. These findings contribute to understanding the complex relationship between disintegrants and their effects on seaweed capsule shell properties, advancing the objectives in optimizing formulation for improved pharmaceutical applications.
Enhancing Asphalt Mix Solubility with Sodium Bicarbonate Leavening in Vulcanized Rubber: A Regulatory-Compliant Approach
Authors: Nasruddin  , Setianto W B , Lanjar  , Atmaji P , Manalu L P , Wulandari E P , Sari T I , Faizal M , Ibrahim B 
Published: June 2024

AbstractIn this research, sodium bicarbonate (NaHCO3) was used as a leavening agent to create air voids in the rubber-vulcanized matrix. The air cavities formed will increase the solubility of rubber vulcanizate in the hot asphalt mixture. 4 and 5 per hundred rubber (phr) NaHCO3were added to each rubber compound using an open mill. The rubber compound was then vulcanized at 130°C for 15 minutes. Rubber vulcanizate is produced from 4 and 5 phr NaHCO3, each added at 8% to a hot asphalt solution. As a comparison material to determine the performance of NaHCO3, a rubber compound formula was prepared without using NaHCO3. It was found that the AK-01 sample containing NaHCO3at 4 phr had several characteristics that met the requirements of Indonesian rubber asphalt regulations, including a softening point of 59.7°C, kinematic viscosity at 135°C of 828 cSt, elasticity after recovery of 30%, storage stability, a softening point difference of 2.2°C, and elasticity after the return of the thin film oven test (TFOT) residue test of 40%.
Alcohol Content Analysis of Fermented Drinks from Cilembu Sweet Potatoes
Authors: Dwi Ramadhan Dia , Nurlilasari Puspita , Budiarto Rahmat 
Published: June 2024

Abstract
This drink made from Cilembu sweet potato is one of the products produced through a fermentation process. According to the MUI agreement, food and drinks that contain alcohol must remain below 0.5%. Therefore, food or beverage products that have an alcohol content exceeding 0.5% are considered prohibited for consumption and are included in the category of haram. In the production of this beverage, a sample of Cilembu sweet potato extract that had been fermented for 12 hours was taken and the alcohol content (%) was measured using an alcohol refractometer. If the alcohol content has reached 0.2%, then it is continued with a cleaning process 3 times periodically for 3 days using halal gelatin (cow bone) which also aims to slow down the process of increasing the alcohol content. Measurement of alcohol content is carried out periodically every 24 hours for 20 days. The results of the production show that the liquid fermentation drink from Cilembu sweet potato has an alcohol content of 0.2% until the 12th day and then rises to 0.4% until the 17th day and 0.6% until the 20th day. According to the fatwa MUI that the fermented drink produced from Cilembu sweet potato is still categorized as a halal drink with an alcohol content below 0.5% for 17 days of fermentation.
The potential of oil palm empty fruit bunches from Blitar Regency Indonesia as a filling material for NPK slow-release fertilizer
Authors: Dewi IA , Fahma F , Syamsu K , Suryanegara L , Saito Y , Munif A , Firmanda A , Purnawati R 
Published: June 2024

Abstract
There is a clear gap between the mechanism of slow-release fertilizer (SRF) to promote plant growth and the prominent role of nanocomposites as filler materials for SRF synthesis. However, the production source of oil palm empty fruit bunches (OPEFB) is considered to influence its characteristics as a filler in new materials. This research aims to review the characteristics of OPEFB from Blitar Regency, East Java Province, Indonesia as a filling material for NPK-SRF fertilizer. The characteristics of OPEFB consist of analysis of nutritional content using proximate, nutritional content using Van Soest, morphology and topography using a scanning electron microscope (SEM), crystal phase using X-ray diffraction (XRD), and chemical compound composition using Fourier transformation infrared spectroscopy (FTIR). The identification results show that OPEFB has the potential to be used as a filler in NPK-SRF production. This can be seen from the high cellulose content (41.7%), with quite similar crystallinity index as native OPEFB fibers. The morphology of OPEFB shows a porous structure with a not uniform pore distribution, pore channel structure, and a not-quite-smooth pore surface. However, slight modifications to the cellulose from OPEFB need to be made, such as purifying it into a single nano-sized cellulose.
Halochromic Polyaniline as smart detector packaging for fresh food: a review
Authors: Fadhila A N , Warsiki E , Yuliani S 
Published: June 2024

Abstract
Early spoilage is a challenge that is often encountered in fresh food. One prevention that can be done is by using packaging technology. There has been an increasing interest in using smart detector packaging for fresh products. Smart detector has high sensitivity and is responsive to visual changes when exposed to pH, temperature, water activity, or composition. The advantage of using a smart detector is that it can detect and give information on which products are safe to consume and which are not. Overall, the concept of a smart detector is not much different from the function of smart packaging. Smart packaging that is sensitive to pH is called halochromic properties. The mechanism of halochromic depends on the compound or the indicator used. Polyaniline (PANI) is one of the candidates for halochromic materials, which have high stability and sensitivity to pH changes. PANI also has a high sensitivity to volatile compounds such as ammonia, indicated by a change in colour from green to blue. This review will overview the use of PANI as a smart detector halochromic packaging and its potential application in the food industry. It has been found that the application of PANI has opportunities to advance the development of modern smart packaging and better food quality monitoring systems.
Packaging design for ginger leather candy in a small medium enterprise : a design thinking approach
Authors: Darmawan M A , Purwoko  , Pratama T 
Published: June 2024

Abstract
A small medium enterprise is developing a new marketable ginger product differentiation. The proposed product will be made in the form of ginger candy. The ginger candy design was developed in order to find Products need to be made of suitable packaging and packaging labels so that the product can be marketed. This project aims to produce packaging designs that have the ability to protect products from producer to consumers. The method used is engineering design approach which includes the stages of exploration, problem verification, ideation, prototipe development, and prototipe validation. The new ginger product produced is in the form of soft ginger candy, namely ginger leather candy. The results of the design applied to the ginger leather candy product are using PP plastic material which is sealed with an impulse sealer tool as primary packaging, with secondary packaging pouch with zip-lock aluminum foil. On the front of the secondary packaging is affixed with a label displaying product information in accordance with the BPOM label rules.
Socioeconomic and technical feasibility of cajuput oil (Melaleuca cajuput Powell) distillation business
Authors: Mahmudah RN , Dharmawan B , Sujianto S 
Published: June 2024

Abstract
The distillation of cajuput leaves into cajuput oil is a potential business for farmers. However, farmers and distillers still encounter problems that lead to failures in developing the business, such as low yield, price volatility, and technical issues related to agroclimatology suitability, good cultivation, and distillation process. This research was conducted to obtain the socioeconomic and technical feasibility of the cajuput oil business and the information needed to support its sustainability. The research parameters used in the economic aspect include profit level analysis and Net B/C. The financial element used NPV, IRR, Payback Period, sensitivity analysis, and the non-financial aspect, including the employment, suitability of cultivated land, and cajuput oil distillation. The financial analysis results obtained a profit of IDR 2,254,911,000, NPV of IDR 2,478,763,489, Payback Period of 4.6 years, and Net B/C of 8.02. However, the decrease of 40% in yield and increase of 20% in raw material prices did not result in the company’s loss. Socially, the potential for on-farm and off-farm labor absorption reaches 2,500 workers/business unit. The determining factor for the success of the cajuput oil business is land suitability.
Situational analysis of human resources in the Indonesian sugarcane agro-industry in the era of industry 4.0
Authors: Mursiti  , Sailah Illah , Marimin  , Romli Muhammad , Denni Alex 
Published: June 2024

Abstract
The development of Industry 4.0 technology, new challenges need to be faced in developing human resources to work. This research aims to collect, evaluate and organise information about the internal and external environment in the development of human resources in the industrial era 4.0 on the cane sugar production process. A combination of qualitative and quantitative methods was used in this research. The collection of data through literature review, field survey, expert interview and questionnaire from 37 Indonesian sugar factories regarding HR competencies both soft and hard, the application of 4.0 technology in Indonesian sugar factories, the current state of sugar production process technology, and the state of sugar cane land that is important to develop in the future. The findings obtained are that in terms of human resources, the availability of competence infrastructure is needed; in terms of technology 4.0, the need for wider application of artificial intelligence; in terms of sugar production process, the cut-load-transport needs new technology; and from the land aspect, West Nusa Tenggara has the potential to be developed into sugar cane land in the future. The information is then expressed in the form of rich picture, root definition, CATWOE, conceptual model, cause and effect diagram and black box. The description of the state of human resources in the cane sugar agro-industry can be used as a basis for the implementation of human resource development strategies in the cane sugar agro-industry in the industrial era 4.0 in order to increase the productivity of human resources.
Designing Risk Mitigation Strategies for Agricultural Supply Chain: A Supply Chain Finance-Based Approach
Authors: Profita A , Kuncoro D K R , Reza Baihaqi Muhammad 
Published: June 2024

Abstract
The agricultural supply chain is distinguished from the manufacturing and service supply chains by its complexity and length. These characteristics emphasize the importance of risk management measures for this supply chain, which will increase farmer income, market stability, and food security. This research aims to design risk mitigation strategies, especially demand risk, in the rice farming supply chain in Tana Paser District, Paser Regency, East Kalimantan. Monte Carlo simulation was utilized to predict the average rice demand and conduct sensitivity analysis. Three financial scheme strategies were compared: soft tolling, hard tolling, and contract farming, to assess the best strategy that provides maximum profits for agricultural supply chain actors. From the simulation results, the average predicted value for rice demand was 2.78 tonnes. The optimal quantities of q1 (processed material), q2 (raw material), and q3 (seeds) obtained from sensitivity analysis were 2.2 tons, 2 tons, and 2 tons, respectively. The soft tolling strategy provides maximum profits for all agricultural supply chain players, with a total profit of IDR 17,471,000.00, considering that implementing this strategy involves all supply chain stakeholders in determining the contract decision (q).
Optimizing negotiation process of buyer-supplier collaboration in the gambier supply chain
Authors: Anwar S , Ekawati I , Ramadian D 
Published: June 2024

Abstract
The current gambier supply chain presents the disparity issue in profit distribution between the business actors. This issue could be analyzed regarding the collaboration that exists between the involved parties, particularly in the negotiation process. The present study aims to develop an optimization model of the negotiation process between supplier (farmers) and collector (buyer) in gambier supply chain. In a decentralized supply chain setting, the linear programming is applied to develop the optimization planning model for both players. Optimized models were built to align the order level of buyers and the supply quantity of suppliers. The proposed negotiation process is applied iteratively to align the order and supply quantity. The developed models have been verified through computational testing using both real and estimated data. Practical implication of the research results can assist the related actors in the gambier supply chain.