bluuebunny/crossref_metadata_2025_split huggingface dataset:
La escuela nueva rural del suroccidente Colombiano
Authors: Torres Achicanoy Gabriela Beatriz 
Published: October 2024

La presente investigación nació de la reflexión sobre la Escuela Nueva (en adelante EN), específicamente con las escuelas nuevas rurales (en adelante ENR),[1] de las regiones de Nariño y Putumayo en Colombia. Se realizó la revisión teórica existente sobre el objeto de la investigación, seguidamente, se caracterizó a los participantes según la representación social a la que pertenecían y se elaboró los instrumentos de evaluación. Después de la organización de la información recopilada se fundamentó el análisis de la investigación para sustentar las conclusiones junto con las recomendaciones orientadas al fortalecimiento de la ENR. La presente investigación fue de tipo mixto o integrador recopilo información cualitativa y cuantitativa. Para la aplicación de los instrumentos se agruparon conglomerados de estudiantes, docentes[2],, formadores, coordinadores y padres de familia. Se conformaron tres grupos sociales de trabajo, los afrodescendientes, los indígenas y los campesinos. Así, la unidad de trabajo estuvo formada por 40 ENRs. Participaron 147 personas, de los cuales 44,2% fueron campesinos, 40,8% indígenas y 15% afrodescendientes. El resultado final permitió analizar el conjunto de las características socioeconómicas de la región, además de los elementos curriculares, de capacitación, administrativos y comunitarios de la ENR. Se concluyó que la EN es un ejercicio pedagógico importante que ha presentado dificultades en el ejercicio práctico de la ENR, por lo que se hace necesario dotar a la comunidad con garantías de formación, de recursos y de acompañamiento para garantizar su adecuada consolidación. Establecemos una diferencia entre la escuela nueva, entendiéndola como el modelo pedagógico propuesto por el Ministerio de Educación Nacional de Colombia y la escuela nueva rural que sería el ejercicio práctico en las zonas rurales. A lo largo de todo este documento se utilizará el género gramatical masculino para referirse a ambos géneros. Tan solo cuando la oposición de sexos sea un factor relevante en el contexto se explicitará una u otra condición.
Reduction and Fixation of Bilateral Sacroiliac Fracture-Dislocations with Pelvic Brim Screws and Robotic-Assisted Lumbopelvic Fixation
Authors: Helmkamp Joshua , Charles Antoinette J. , Tabarestani Troy Q. , Brown Matthew , Paul Alexandra , Abd-El-Barr Muhammad M. , DeBaun Malcolm R. 
Published: October 2024

Case:
A 53-year-old man with bilateral sacroiliac (SI) fracture-dislocations underwent open reduction internal fixation with subsequent loss of fixation. Revision involved the placement of pelvic brim screws and robotic-assisted lumbopelvic fixation, resulting in minimal blood loss and soft-tissue injury. At 3-month follow-up, the patient had healed and was advanced to full weight-bearing status.

Conclusion:
Percutaneous SI screws and robotic-assisted spinopelvic fixation effectively managed bilateral SI fracture-dislocations, despite narrow osseous corridors, providing adequate stabilization while minimizing complications. The combination of these 2 techniques helped overcome anatomical limitations and reduced technical challenges, leading to a successful short-term outcome.
Evaluasi karakteristik gula kelapa cair dengan variasi penggunaan laru dan penambahan ekstrak rosela
Authors: Purbowati Ike Sitoresmi Mulyo , Wijonarko Gunawan , Maksum Ali 
Published: October 2024

Coconut sugar is a food ingredient made from coconut juice. Nira is easily damaged due to microbial contamination. The destruction of sap can be prevented by the use of laru and variations of rosella constituencies. This study aims to examine the effect of the use of laru on the quality of sap and liquid coconut sugar, the effect of variations in the addition of rosella extract on the quality of liquid coconut sugar, and the influence of the combination of variations in the use of laru and the addition of rosella extract on the quality of liquid coconut sugar. This study used experimental methods with a Complete Randomized Design (RAL). The factor studied was the use of nira preservatives: Non Laru and Laru. The second factor is the variation in the concentration of added rosella extract which is 0; 5; 10; 15 %. The variables observed were pH, Brix, reduction sugar, moisture content, viscosity, colour, aroma, taste, preferences, texture and flavour. The use of laru affects the pH, reduction of sugar, colour, aroma, taste, preferences, texture and flavour of liquid coconut sugar. The higher the concentration of rosella extract administered will lead to a decrease in pH, ̊Brix, viscosity and an increase in moisture content. The higher the concentration of rosella added to liquid coconut sugar, the browner the colour of liquid coconut sugar will be, the distinctive aroma will be mushier, the sweetness is slightly reduced, the level of liking decreases, and the texture is as good as diluted and the flavour of liquid coconut sugar also decreases.
Pangan fungsional dari bahan pangan tradisional: tinjauan pustaka
Authors: Setiawan Sia Clarissa Eleora , Yuliantara Arri , Murti Paulus Damar Bayu 
Published: October 2024

With the development of the times, most people often consume fast food or what is commonly referred to as junk food. The long-term effect causes many people to experience degenerative diseases like heart disease, diabetes, hypertension, cancer, and osteoporosis. Therefore, there is a need for solutions so that people can maintain a lifestyle to support their health. The solution is in the form of functional food derived from traditional ingredients, such as tempeh, tape, and also several types of spices. Functional foods are food ingredients that can provide many additional benefits to the body, apart from the basic nutritional functions of these foods. For example, such as consuming antioxidants derived from phytochemical compounds contained in some of these traditional ingredients. Phytochemical compounds that can act as antioxidants are used to counteract free radicals that occur in the body. These antioxidants can be obtained from tempeh, tape, and several spices. The spices include ginger, kencur, turmeric, temulawak, galangal, and cinnamon. Processed functional food products from several spices are used as health drinks, herbs, teas, juices, syrups, and sweets. Functional food from traditional ingredients has the potential to be developed. This is due to the sufficient production of raw materials and the community's need for functional food from these traditional ingredients. Regulations regarding functional food from traditional ingredients are considered insufficient, even though the government has made regulations regarding foods that have special nutrition. The aim of this study is to elaborate several traditional food ingredients and its function to help in maintaining the health in the body. As a results, this paper presents some research data that has been done previously related to some of the advantages of traditional food ingredients
Study on an Intermittent Power Generation Technology for Water Injection Wells
Authors: Tao Fu , Qinghai Yang , Chenxu Zhao , Yufei Sun , Fuchao Sun , Chenglong Liao 
Published: October 2024

Abstract
Currently, smart layered water injection technology is mostly powered by batteries or cables. Batteries have limited power and cables are complicated to install and easily damaged, neither of which can meet the power needs of downhole tools. This paper proposes a downhole power generation technology for water injection wells, using the kinetic energy of the injected water as the energy source and a small-diameter turbine generator to generate electricity. The device adopts an eccentric design, which does not take up the center channel and does not affect the normal production process of the intelligent layered water injection process. In the process of water injection, the water nozzle can be used to select the flow channel according to the demand for electricity so as to control the start and stop of the generator, realizing intermittent controllable power generation and improving the service life of the generator. A prototype was manufactured and a hydro generator test platform was constructed. The prototype was connected to the test process, and the circulating flow was pumped in by a variable frequency pump to simulate the downhole water injection environment, and the power generation performance of the prototype was tested under different flow rates. The test results show that the prototype works stably under the flow rate of 20-40m3/d, the output power increases with the flow rate, and the maximum output power is 12.4W, which meets the downhole power supply demand of intelligent water injection wells. In addition, the prototype has completed 720 hours of continuous experiment under 24m3/d flow rate with stable output voltage and current. This technology is expected to provide a new idea for solving the problem of long-term power supply for downhole electric control tools of water injection wells, effectively reduce the circuit maintenance cost of downhole electric control tools, and improve the long-term monitoring and automatic control level of water injection wells.
Dual Layer Cement Evaluation: Case Study on Casing Collapse Environment
Authors: Ibrahim Mohd Zulfadli , Zain Mohd Nazree Mohd , Fadzalisham Irfan Zulfadhli , Khairudin Muhammad Uthman Danial , Zulkefli Siti Nor Dahliawati , Awal Adli Zaim , Nordin Mohd Helmi 
Published: October 2024

Abstract
Maintaining the integrity of the well is very crucial to extend the well's life. One of the operational nightmares is having the casing failure such as collapse in the middle of the well life. Casing collapse happened when excessive stress applied to the body of the casing from surrounding environment and it could occur due to various reasons, such as corrosion and corrosive environment, excessive pressure, geological shifts, cement issues or mechanical damage. The focus of this paper will be addressing the cementing issue that contributes to the casing collapse. While investigating the casing integrity problem, it was discovered that the only cement data available is from the drilling report. To reduce uncertainty and better assess the integrity of the well, the approach taken was to acquire the cement data to evaluate cement behind 13-3/8-inch casing and 9-5/8-inch liner. Acquiring this data is no longer a simple task as the casing has been damaged and the well is no longer in the best condition to acquire the data. Due to the urgency of this operation and the complexity of the well, the options have become very limited. Through Tubing Cement Evaluation technology (TTCE) was implemented to aid in investigating 2 layers of cement behind 13-3/8-inch and 9-5/8-inch liner simultaneously.
Due to the absence of cement data, previously the top of cement (TOC) was referred to the estimated TOC in the drilling report. Therefore, the casing collapsed issue may be inter-related with the absence of cement data. TTCE uses a combination of nuclear and acoustic data technique to evaluate two layers of cement while investigating fluid movement behind the casing. The outcome of TTCE data reveals that the TOC behind the surface casing was deeper than estimated in the drilling report with indication of fluid movement from the collapse interval down to near perforated zone. By integrating Acoustic and nuclear data cement behind 13-3/8-inch casing can be evaluated even across the 9-5/8-liner interval. The absence of cement across the interval could be one of the factors that lead to casing failure. Casing collapse could have been avoided if the cement data (CBL Legacy) was available at the earlier phase by providing a crucial insight during the brainstorming process. In well operation, preserving the well integrity cannot be understated. One of the ways to maintain the well integrity is by obtaining data as much as possible. To conclude, gathering cement data aids the decision-making process in creating a mitigation plan to overcome the casing collapse issue. With more data available, the condition of the well can be easily understood in the future.
Reservoir Simulation-Informed Cost-Benefit Analysis for Structural Assessment: A Case Study of Hydrogen Geostorage in the Ahuroa Gas Field, Aotearoa New Zealand
Authors: Dempsey David , Parker Matt , Liu Jinjiang , Chang Qiuhao , Nicol Andy , Passmore John 
Published: October 2024

Abstract
As hydrogen production increases around the world, subsurface porous media such as depleted gas reservoirs are being considered for buffer storage of large volumes of renewable gas. In Aotearoa New Zealand, Ahuroa gas storage reservoir in the Taranaki region is a possible site to be converted into underground hydrogen storage (UHS). However, from a structural perspective, this site is incompletely characterized, with differing model interpretations arising because only 2D seismic data and well intercepts are available. In this study, based on the exiting data, two geological models (curved fault model and tear fault model) were built. The same hydrogen storage scenario was evaluated on both models to study the impact of geometric uncertainty on UHS performance. To model hydrogen migration scenarios in the reservoir-fault system, we use a workflow that integrates Leapfrog Energy for geological modeling and PFLOTRAN-OGS for reservoir simulation. Our model describes cyclic injection and production of hydrogen/methane gas mixtures from the water-wet reservoirs, quantifying the operational performance of the site with respect to the undetermined fault geometry and transmissibility. Simulation results indicate that in the tear fault model less cushion gas is required but more hydrogen was ultimately unrecoverable from a distant region beyond a spill point. Economically, the cost of additional cushion gas trades off against the cost of hydrogen loss, both of which are on the order of several tens of millions of dollars. Our findings highlight the value of robust geological modelling and seek to build an economic case for further data acquisition to reduce uncertainty.
Densest Arrangement of Friction Lcm Particles Packing with a Power-Law Grain Size Distribution Via Dem Method
Authors: Zhang J. , Kang B. , Mi Z. , Jiang L. , Qu J. , Cheng Y. , Cao X. 
Published: October 2024

Abstract
Lost circulation pose a primary challenge in the exploration and development process. For the problem of Lost circulation in fractured formations, the addition of plugging materials with different functions and in specific proportions into the drilling fluid to seal the fractures is the most commonly employed method for lost circulation control in engineering. This paper compares and selects the densest packing model, determining the optimal model for research on lost circulation control. Furthermore, simulations of the densest packing of plugging material particles within fractures were conducted using the CFD-DEM method. A simulation method for the formation and pressure-bearing process of the fracture plugging zone was established. The particle size distribution capable of forming the densest packing was determined. Based on the Fuller curve for designing grain size distribution, the wider the range of particle sizes, the greater the packing density, there exists an optimal gradation distribution index for the densest packing, which is between 0.5 and 0.7. This paper identifies the densest particle size distribution, providing a basis for the design of on-site plugging formulas and enhancing their scientific foundation.
A Novel Approach to Accelerate CO2 Mineralization Storage through CO2 Nanobubbles
Authors: Mao Zhiqiang , Liu Yueliang , Rui Zhenhua , Peng Zesen , Zhao Dan , Tang Yiyang , Jiang Hongzhi 
Published: October 2024

Abstract
Carbon capture and storage (CCS) technology is a crucial means to address global climate change and reduce atmospheric CO2. CO2 mineralization storage can store CO2 in underground rock formations in a long-term and safe manner, which is the most stable storage method. However, this process may take several decades or even longer, severely constraining the application of CO2 mineralization storage in mining fields. In this work, we propose an innovative approach utilizing CO2 nanobubbles to achieve efficient CO2 mineralization. Chlorite was selected as the experimental sample to compare the effects of carbonated water and CO2 nanobubbles on CO2 storage. Analytical instruments were employed to analyze the rock surface morphology, mineral composition, and ion concentration in the reaction solution post-experiment, revealing the mechanism by which CO2 nanobubbles accelerate the CO2 mineralization rate. Results reveal that CO2 nanobubbles have an average size of 167.6 nm, a Zeta potential of −18.98 mV, and a concentration of 9.4×107 particles/mL. The solution's pH is lower than that of carbonated water, suggesting that the CO2 nanobubble solution enhances the supersaturation level of CO2 in the solution, which facilitates the dissolution of rock minerals. After the reaction of chlorite minerals with CO2, the concentrations of Mg2+, Fe2+, and Al3+ ions initially increased and then decreased, while the concentration of Si4+ ions increased and then stabilized. The ion content in the solution followed the order of Mg2+ &gt; Fe2+ &gt; Si4+ &gt; Al3+. Dissolution processes dominate within the first 1 to 6 days, after which the precipitation rate surpasses the dissolution rate. The surface of chlorite exhibits corrosion features and a new element peak of carbon (C), indicating the formation of inorganic carbonate minerals after the reaction. Thermogravimetric analysis shows that the thermal decomposition of chlorite occurs in two stages: primarily MgCO3 decomposes between 350°C and 650°C, while FeCO3 decomposes between 700°C and 850°C, with a higher content of MgCO3 compared to FeCO3. Compared to carbonated water, the CO2 mineralization rate increased by 17.07% when the reaction solution contained CO2 nanobubbles. This approach can shorten the time required for CO2 mineralization storage, facilitating large-scale CO2 storage. Furthermore, the mechanism of CO2-water-rock interaction is also deeply revealed, which is of great value for understanding the underground CO2 storage process and optimizing the conditions for storage.
Thermal Decarbonization Abatement Plan to Improve Energy Efficiency in Oil and Gas Thermal Operations Asset
Authors: Al Fazari M. 
Published: October 2024

Abstract
Petroleum Development Oman LLC (PDO) is Oman's premier oil producer and operates several fields. Thermal Development is one of key enablers in Oman for significant Oil Recovery.
External landscape around Green House Gas (GHG) Emissions is changing, which is evident from various international and national commitments. Oman commitment to Paris agreement is to control 2% of its GHG emissions growth by 2030. PDO, as one of significant contributor of total national GHG emissions, will play a significant role towards achieving this commitment. One of the key elements in PDO's Environment Strategy is GHG reduction. As per PDO Specification for Environmental Management, each asset shall establish and maintain its GHG and Energy Management Plan (GHGEMP). The aim of this GHGEMP is following:
To provide a consistent asset baseline description of its historic energy efficiency and GHG emissions. To identify and review the inventory of GHG/energy suppliers and users. To provide a forecast of energy use and GHG emissions aligned with Program Build (PB). To describe confirmed opportunities/projects for energy efficiency improvement and GHG reduction, selected for implementation as per program build. To assess the gap to potential for GHG and energy efficiency improvement of the cluster by benchmarking To brainstorm aspired projects to bridge gap to potential in terms of reducing emissions and/or energy use and set targets.
Thermal Cluster Is known for being non-resilient in terms of energy efficiency. This is due to the mode of operation as enhanced oil recovery (EOR) by means of steam flooding. This development tends to be required high intensity of energy to produce the steam and for processing the hot fluid coming into processing facility. The thermal Cluster Strategy is devised into three main pillars which are Decarbonatization, Renewable and Renewable energy carbon credits.
Below are some of the initiatives used for this journey which will be part of this paper as follow:
Utilization of the sour flared gas for Once Through Steam Generator (OTSG) as fuel Facility Improvements Initiatives including OTSGs efficiency. (SPE- 222571-MS) Low Operating Pressure Study / OTSGs retirements Steam Integration System (SPE- 209674-MS) Hydrocarbon Facility & Heat Recovery Steam Generators (HRSGs) Heat Integration HRSGs Efficiency and reliability Improvements
The main objective of this paper is to demonstrate the Energy Management & GHG Abatement Plan using different tools and methods to improve in the thermal Asset overall efficiency.
Unlocking Potential of CO2-Enhanced Recovery and Sequestration in a Waxy Oil Reservoir: A Phase Behavior Investigation
Authors: Hendraningrat L. 
Published: October 2024

Abstract
It is evident that the use of carbon dioxide (CO2) for enhanced oil recovery (CO2-EOR) and sequestration into reservoirs has the potential to not only enhance oil recovery but also contribute to reducing greenhouse gas emissions. This paper comprehensively evaluates the potential of CO2 to enhance recovery and sequestration in a waxy reservoir and focuses on phase behavior.
The thermodynamics of CO2-hydrocarbon systems play a crucial role in determining the phase behavior of CO2 in the reservoir. Comprehensive fluid analysis laboratory experiments have been conducted such as compositional analysis, constant composition expansion (CCE), differential liberation (DLE), viscosity, and wax experiments, and swelling tests due to various CO2 injections. The dewaxing of crude oil was done as reference to investigate the influence of wax component to the phase behaviour. A PVT software was used to validate the laboratory data through PVT fluid characterization.
Phase behavior of waxy crude oil the presence of various compositions of CO2 enrichment was studied. A thermodynamic EOS model was developed and characterized using PVT Software and fine-tuned to match the PVT experiments, including expansion and depletion studies, viscosity, solid content, and wax apparent temperature, including swelling tests over different enriched CO2 compositions. The swelling factor measurements indicate that the oil volume increases with pressure up to a certain point before decreasing. The comparison between laboratory measurements and model prediction of wax content also satisfactorily matches. The CO2 was found to change fluid properties which consequently increased bubble point pressure and other critical parameters. The presence of wax in crude oil has been identified to increase bubble point pressures can lead to require higher minimum miscibility pressure (MMP) because the oil is already closer to its gas liberation point, requiring more pressure to achieve miscibility with CO2. Higher MMP in CO2-EOR project can pose a challenge in CO2-EOR in waxy crude oil such as operational costs, safety risks, and technical challenges. It requires careful consideration of reservoir conditions, economic factors, and engineering solutions to ensure successful and efficient CO2-EOR method.
This study demonstrates the importance of conducting extensive PVT experiments and analyses before deciding a CO2-EOR project, as this is crucial to understand the phase flow behaviour of fluids. Thermodynamic modeling is an effective approach for analysing advanced fluid behaviour.