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The Application Of The Gdr Feed Evaluation System In The Velgast Inter-Farm Cooperative Crop Production Divi­Sion (Kap), Wolfgang Weidlich, Fritz Luddecke, Manfred Beyer, Werner Jentsch

IGC Proceedings (1977-2023)

Experience is reported regarding the applica­tion of the GDR Feed Evaluation System in managing and planning the forage production along industrial lines in the Velgast KAP. The following priorities of application are dis­cussed:

(1) Determining the feed supply and balancing it against the feed requirements of the ani­mals to be fed, for the purpose of planning the forage production and analyzing the performance reached in forage production;

(2) Utilization of the results of energy and nu­trient yield assessment over several years, and of feed planning in order to derive op­timum cropping patterns;

(3) Implementation of exact assessment of feed quantity …

Planning And Balancing Of Feed Requirements And Feed Production According To Standards Of The Energy And Protein Requirements Specified In The Gdr Feed Evalua­Tion System, Arthur Chudy

IGC Proceedings (1977-2023)

"Feed planning and balancing according to standards of the energy and protein require­ments" has been elaborated as an integral part of the GDR Feed Evaluation System to ensure that feed supply can be planned according to actual requirements, and has, by using com­puter techniques, been introduced in the GDR for planning activities at enterprise level as well as for national planning at territorial levels. The standards characterize the feed require­ments encountered under average production conditions for large livestock populations and longer spans of time. They have been derived for all animal species and production objectives from the requirement standards for …

Roughage Quality Estimation In The Gdr Feed Evaluation System, Bernd Hoffmann

IGC Proceedings (1977-2023)

The quality of a feed is defined as the sum of the properties characterizing the feed in terms of its employment for animal production pur­poses. It unites parameters for the energy con­centration, contents of specific nutrients, die­tary characteristics, and properties· affecting feed intake. To facilitate roughage quality esti­mation, feed testing and attestation documents have been elaborated in connection with the introduction of the GDR Feed Evaluation Sys­tem. These documents include attestation tables for determining major feed value parameters (energy concentration, protein concentration, energy digestibility), the classification frames for assessing the roughage according to its content of specific nutrients, dietary chara1:­teristics …

How A Drying Plant Influences Intensification In The Development Of Forage Production Along Industrial Lines, Josef Pohl, Manfred Fechner

IGC Proceedings (1977-2023)

Since the opening of the Selbelang drying plant, essential changes have occurred in the roughage patterns of the socialist farms in this territory. This development has been charac­terized by a strong decline in hay production, the latter depending strongly on weather con­ditions and involving heavy losses, in favour of the processing and use of dried green crop. Drying of whole plants and straw pelleting have been introduced. Furthermore, the quality of dried roughage has been essentially improved and winter-feeding rations have been stabilized through the use of high-quality dry feeds. Losses from preservation declined. Applying these measures of intensification it …

The Evaluation Of Roughages Under The Gdr Feed Evalua­Tion System, Reinhard Schiemann

IGC Proceedings (1977-2023)

The purpose and content of the GDR Feed Evaluation System are discussed in the form of a summary report. The GDR Feed Eval­uation System incorporates, in a form suitable for practical application, the following:

Parameters and methods for the complex evaluation of feeds with particular refer­ence to energy and protein (including amino acids), prepared in the form of detailed feed tables for feeding and planning pur­poses [9, 10];

Parameters and methods for determining daily feed requirements and application rates, in the fonn of energy and nutrient • requirement standards for composing op­timum rations according to animal species and performance (9, …

Professional Identity Changes During The Covid-19 Era Among Pre-Medical College Students: Insights For Medical Educators, William J. Crump, Jordan Harbin, Lauren Trout, Cierra Woodcock, Kristin Wickham, Craig Ziegler

Marshall Journal of Medicine

Abstract

Introduction

Professional identity formation is known to be responsive to outside forces. Previous longitudinal research has shown changes occurred pre-and post-COVID-19 pandemic among medical students. The purpose of this longitudinal study was to assess changes among pre-medical students.

Methods

With a 100% response rate, 85 Career Eulogies (CE) from 2015 through 2025 recorded a free text response to the prompt: "Imagine that you are ready to retire from medicine in the distant future. In about 50 words, write a short speech outlining what you would like to be said about you at the retirement ceremony."  The responses were coded …

Rare Case Of Subcutaneous Panniculitis-Like T-Cell Lymphoma In A Pediatric Patient, Jasmine Kaur, Omar Abdelaal, Ammar Masood, Aaron Mcguffin, Kathleen Martin

Marshall Journal of Medicine

Subcutaneous panniculitis-like T-cell lymphoma (SPTCL) is a rare subtype of primary cutaneous T-cell lymphoma that has clinical overlap with common benign conditions, thus making diagnosis challenging. SPTCL primarily affects younger adults with a female predominance. Pediatric cases are exceedingly rare and often misdiagnosed as bacterial infections, delaying proper clinical diagnosis and treatment.

In this case study, we report on a 9-year-old female who initially presented to an urgent care clinic with two weeks of an itchy, painful nodule on her right buttock and thigh. The nodule was initially misidentified as a skin abscess, and the patient was prescribed sulfamethoxazole/trimethoprim. The …

Long-Term Changes In Ground-Level Ozone And Nitrogen Dioxide, Blake Bixby, Kevin Du, Noah Teske

Summer Undergraduate Research Program (SURP) Symposium

Ground-level ozone (O₃) is a secondary pollutant formed through photochemical reactions involving nitrogen oxides (NOₓ), volatile organic compounds (VOCs), and sunlight. This study combines satellite observations from NASA OMI with surface monitoring data from the Texas Commission on Environmental Quality (TCEQ) to evaluate long-term changes in NO₂ and ozone between 2005 and 2025. Global NO₂ distributions, Houston monitoring stations, and hourly pollutant concentrations were analyzed to investigate temporal and seasonal variations. Results indicate declining NO₂ concentrations over many developed regions, while ozone continues to exhibit strong photochemical and seasonal behavior.

Analyzing The Effect Of Physical And Chemical Properties On Spectral Absorption Of Hemoglobin, Anna N. Gregorsok, Carl L. Thurman

Summer Undergraduate Research Program (SURP) Symposium

Hemoglobin oxygen affinity is influenced by intracellular pH through the Bohr effect, making pH an important regulator of oxygen delivery throughout the body. Before oxygen-binding affinity can be quantified, the optical properties of hemoglobin under different pH conditions must first be characterized. In this study, free hemoglobin was analyzed at five physiologically relevant pH values (6.72, 7.00, 7.33, 7.63, and 7.92), representing conditions ranging from acidosis to alkalosis. Human red blood cells were lysed in hypotonic phosphate solutions, and absorbance spectra were collected using a scanning spectrophotometer. The resulting spectra establish baseline optical characteristics of hemoglobin across physiologically relevant pH …

Re-Examining Endemic Smoky Dace As An Indicator Species In The Upper Little Tennessee River Index Of Biological Integrity, Tayton C. Alvis, William O. Mclarney, Radmila Petric, Jason P. Love

Southeastern Fishes Council Proceedings

Fish communities can be used to evaluate water quality and stream ecosystem health, helping resource managers understand the effects of anthropogenic disturbance. Fish species inform indexes of biological integrity through their ecological traits and tolerance to stressors (e.g. tolerant of disturbance, intolerant of disturbance), but these designations are difficult to determine without localized, species-specific information. The Upper Little Tennessee River watershed is subject to long-term aquatic biomonitoring, applying an index of biological integrity tailored to the region. In this index, the undescribed endemic Smoky Dace (Clinostomus sp.) is classified as intolerant based on a previous designation for the Rosyside Dace …

Pharmaceuticals Acetaminophen, Cephalexin And Levofloxacin: Elimination And Toxicity Study Via Carbon Nitride-Based Photocatalyst, Faisal Al Marzouqi, Bunsho Ohtani, Hlengilizwe Nyoni, Fahad Al Shidi, Alex T. Kuvarega, Bhekie B Mamba, Rengaraj Selvaraj

Sultan Qaboos University Journal For Science

In recent times, investigators have conducted extensive studies on carbon nitride-based photocatalytic materials. Earlier research mainly concentrated on the poly-condensation technique and the uses of the produced materials, whereas less attention was given to the starting precursors, which were broadly classified as nitrogen-rich. This research offers a complete examination of the appropriate precursors, highlighting their large-scale, economical, and safe production for carbon nitride-based materials. Safety evaluations of the precursors were examined, and a cost analysis was conducted to refine the choice of accessible precursors. Afterward, the surface area, photophysical, SEM, and electrochemical properties of the materials were characterized. The differences …

Role Of Oxygen Vacancy In Photocatalytic Water Splitting Using Ceria Bismuth Oxide Solid Solution, Kahkashan Ansari, Rajani Meena, Yuktanshi Gautam, Neelu Chouhan

Sultan Qaboos University Journal For Science

In this study, we report the successful synthesis of solid solution (SS) cerium bismuth oxide (CBO) photocatalysts via a facile combustion method using urea as starting materials at different calcination temperatures (300–900°C). The prepared CBO exhibited a nanocrystalline fluorite structure with a direct band gap of 3.02 eV, enabling efficient visible light driven photocatalytic water splitting. Under natural solar irradiation, the optimized CBO achieved excellent H2 and O2 evolution rates of 776.3 μmol g-1 and 388.2 μmol g-1 respectively. A high hydrogen evolution rate of 766.3 μ mol g-1 was also obtained under artificial sunlight using methanol as a sacrificial …

Green Synthesis Of Nanomaterials For Carbon Capture And Clean Energy Applications, Ranjana Rayaraddi, Sathyabama Balaji, Blessy Babukutty, Mahendra Kolya, Sunil Meti, Sabu Thomas

Sultan Qaboos University Journal For Science

The rapid increase in anthropogenic carbon dioxide (CO2) emissions and the growing global energy demand have intensified the search for sustainable carbon mitigation and clean energy solutions. Nanomaterials have emerged as promising candidates for carbon capture, energy conversion, and storage technologies due to their high surface area, tunable physicochemical properties, and superior catalytic performance. However, conventional nanomaterial synthesis routes often involve toxic chemicals, harsh reaction conditions, and high energy consumption, limiting their environmental sustainability. In this context, green synthesis of nanomaterials has gained significant attention as an eco-friendly alternative that aligns with the principles of green chemistry. This review presents …

Development And Evaluation Of Electrospun Pva/Lemongrass Nanofibers As Potential Pest Control Applications, Manjula Ramamoorthy, Sheeja Rajiv, B. Hamsini

Sultan Qaboos University Journal For Science

The growing demand for safe and controlled application of medicines in biological field has led to the development of using synthetic polymers. Essential oils have been used as green insecticides due to their non-toxic and eco-friendly nature. In this study, a green alternative insecticide based on PVA polymeric nanofibers and lemongrass was successfully prepared using electrospinning technique and was characterised by SEM, FTIR, XRD and TGA measurements. The developed lemongrass loaded PVA mat exhibited strong insecticidal action directed at the test insect saw tooth beetle. These findings demonstrated that the prepared electrospun blend mat might provide a protective atmosphere around …

Assessing Amino Acids And Peptide Adsorption On Pristine Graphene In Aqueous Solution: Nmr Spectroscopy, Budoor S. Al Umairi, Rahma Al Busaidi, Walaa Sameer Aburayan

Sultan Qaboos University Journal For Science

Graphene offers tremendous potential for applications in biomedical and pharmaceutical areas, ranging from molecular diagnostics, biosensors, and prosthetics to implants and drug delivery. However, realising the full potential of graphene is blocked by a limited understanding of the nature and detail of its noncovalent interactions with biological molecules in aqueous dispersion, where such applications can be used. Here, we studied the adsorption of amino acids and peptide on graphene in water utilising Nuclear Magnetic Resonance spectroscopy by observing 1H signals of individual biomolecules when exposed to graphene. The peptide-graphene interactions appeared to be driven by the binding affinity of individual …

Synthesis Of Nio/Coo Photocatalyst For Enhanced Visible Light Assisted Photodegradation Of Congo Red Dye – A Comparative Study, Mohamed Siddiq, Akash Rajasekhar, Rajeswari Alagar, Mangalaraja Ramalinga Viswanathan, Sambandam Anandan

Sultan Qaboos University Journal For Science

Serious health issues, including cancer, redness, skin irritation, and allergic reactions, have been linked to factories releasing Congo red dye into water supplies. Therefore, this study focused on the simple production of NiO/CoO (NCO) metal oxide nanocomposites using the reflux-assisted chemical precipitation method. Subsequently, these metal oxide nanocomposites were employed for effective photocatalytic degradation of Congo red dye. The crystalline structure and phase purity of the synthesized materials were analyzed using X-ray diffraction, confirming the formation of highly crystalline cubic phases of NiO, CoO, and NCO nanocomposite. Morphological studies showed that the NCO composite exhibited a mixed spherical and square-shaped …

Biobloom Tio2: Green Synthesis Of Titanium Dioxide Nanoparticles Using Clitoria Ternatea Flower Extract For Bioremediation Of Textile Dyes, Nijasritha Jayaprakash, Kishore Parthasarathy, Varshana Prabhu, Sowparnika Lakshmidass, Koyeli Girigoswami

Sultan Qaboos University Journal For Science

Nanotechnology is essential in many scientific disciplines, particularly materials science, where titanium dioxide (TiO2) nanoparticles are widely studied for their stability and high photocatalytic performance in environmental applications. This study reports the green synthesis of TiO2 nanoparticles using Clitoria ternatea (butterfly pea) flower extract as a natural reducing and stabilizing agent. Phytochemicals, such as alkaloids, glycosides, and coumarins, facilitate nanoparticle formation and stabilization. The synthesized nanoparticles were characterized by ultraviolet (UV)–vis spectroscopy, X-ray diffraction (XRD), zeta potential analysis, DLS, FTIR, scanning electron microscopy (SEM), and EDX, confirming their structural, morphological, and surface properties. Biocompatibility was evaluated using MTT, hemolysis, and …

Sustainable Microwave-Assisted Casting Route For Orthopedic Plate Implant Fabrication: A Review Of Current Status And Future Prospects, Ashish Kumar, Ashok Kumar Bagha, Sumit Sharma

Sultan Qaboos University Journal For Science

Rising need for quality orthopedic plate implants requires more efficient and sustainable manufacturing techniques. Traditional manufacturing routes for these implants includes gravity casting, forging, and powder metallurgy. Such methods often suffer from limitations such as non-uniform microstructures, high energy consumption, prolonged processing times, and environmental concern. Microwave-assisted casting using the microwave hybrid heating (MHH) approach offers a promising alternative with rapid, uniform, and volumetric heating. Microwave-assisted casting of biomaterials has recently attracted research interest for producing cost-effective, high-quality biomedical implants. This review critically evaluates the current status of microwave-based processing and casting routes for biomedical implant fabrication. It provides a …

Photocatalytic Hydrogen Peroxide Production With Bi2Wo6/G-C3N4 Heterojunction Through S-Scheme Charge Transfer, Zihan Mao, Xuan Ran, Shu Lin, Kezhen Qi

Sultan Qaboos University Journal For Science

We synthesized Bi2WO6 via a hydrothermal approach and subsequently fabricated a Bi2WO6/g-C3N4 heterojunction through grinding process. The resulting composite demonstrated an impressive photocatalytic production rate of hydrogen peroxide at 4809.5 μ mol g-1 h-1, which is nearly double that of CN and 18 times greater than that of BWO. The photocatalytic effectiveness of the BWO/CN composite was thoroughly investigated under different conditions and environmental factors. This enhancement can be primarily attributed to the efficient separation and migration of photogenerated charge carrier pairs facilitated by the S-scheme heterojunction, along with improved redox capability. Photoluminescence spectroscopy and electrochemical impedance spectroscopy (EIS) were …

Morphological Determinants Of Multiple Courtyard Configurations In Contemporary Urban Housing: A Quantitative Analysis Of Plot Area And Frontage Width, Maha Khalaf Hammad, Hasan Abdulrazzaq Hasan

AUIQ Technical Engineering Science

In modern cities with small plots and narrow frontages, courtyard-based housing has come back as a flexible way to use space. This study seeks to quantitatively examine the impact of residential plot area and frontage width on the diversity and functional distribution of courtyards in modern urban housing. A quantitative morphological approach was used by looking at the shapes of 121 modern residential plans that included internal courtyards. Using AutoCAD, we got spatial data, and then we used Microsoft Excel to look at the relationships between plot morphology, courtyard number, area, and functional role. The results show that the courtyard …

The State’S Responsibility To Prevent And Investigate Violations Of The Right To Life In The Beirut Port Explosion, Ali Wehbi Dib

BAU Journal - Journal of Legal Studies - مجلة الدراسات القانونية

The right to life is recognised in International Human Rights Law (IHRL) as the "supreme right." It is considered a jus cogens norm, fundamental for both individuals and society as a whole. IHRL provides a general guarantee of the right to life. To effectively protect it, the state must take all feasible measures to prevent violations of the right to life and to respond to them. This includes investigating incidents and, when appropriate, prosecuting and punishing those responsible.

The Beirut Port explosion on 4 August 2020 was one of the most powerful non-nuclear explosions in history. It resulted in the …

The Representation Of Suicide In Spanish Teen Fiction Tv Series: Narrative Trends And Media Literacy Implications, Patricia Palomares-Sánchez, Victoria Soto-Sanz

Journal of Media Literacy Education Pre-Prints

The present study analyses the narrative treatment of suicide in Spanish youth fiction television series produced between 2015 and 2024, aiming to identify representation trends in relation to the recommendations for responsible media coverage and their implications for media literacy. The methodology underpinning this study encompasses eight fiction TV series and combines quantitative research, derived from data collection and analysis, with a qualitative component, focusing on the interpretation and analysis of the results. Findings indicate that the representation lacks due caution in depicting the method and location of suicide, which increases the risk of imitation. Although the narratives present alternatives …

Phytochemical Analysis And Safety Assessment Of Watercress Nasturtium Officinale: Antioxidant Capacity, Heavy Metal Profiling, And Toxicity Using Brine Shrimp Model, Qurrota A’Yunin, Chamini Kasun Hemachandra, Muhaimin Rifa’I, Yoga Dwi Jatmiko, Maftuch Maftuch, Rizky Fadilla Agustin Rangkuti, Cucun Herlina, Zulfa Mahdiatur Rasyida, Moh Dliyauddin

Karbala International Journal of Modern Science

Medicinal plants have attracted growing attention as sources of natural bioactive compounds for sustainable aquaculture and health. This study evaluated the phytochemical composition, antioxidant activity, heavy metal profile, and acute toxicity of watercress (Nasturtium officinale W.T. Aiton) methanol extract using maceration, qualitative and quantitative (TPC, TFC, antioxidant DPPH) phytochemical assay, XRF, and BSLA. Phytochemical screening of plant extracts showed the existence of flavonoids, alkaloids, phenols, tannins, triterpenoids, and saponins, but not steroidal. The TPC and TFC were 20.6 mg GAE/g and 10.8 mg QE/g, respectively. The extract displayed significant antioxidant activity (IC₅₀ = 64.78 µg/mL in DPPH assay). …

Transformative Climate Change Mitigation And Adaptation Policy Analysis In Medan City, Citra Tatius, Mega Anggraeni, Wiwandari Handayani, Rukuh Setiadi

Cities and Urban Development Journal

Background: Climate change is not only a global challenge but also a strategic issue of development in Indonesia. The Medan City Government has implemented various mitigation and adaptation efforts, yet it continues to produce greenhouse gas emissions and is exposed to climate change impacts. A transformative approach in mitigation and adaptation is needed to enable systemic change to comprehensively address climate change from its root causes.

Aims: This paper aims to elaborate on the extent to which mitigation and adaptation policies in Medan City can fulfill the principles of transformative climate actions.

Methods: Data collection for climate profiles and mitigation …

From Infrastructure To Outcomes: Institutions, Capabilities, And Sustainable Transformation, M. Kabir Hassan

Journal of King Abdulaziz University: Economics and Administration

No abstract provided.

From Hesitation To Creation: Bookmaking, Language, And The Development Of Student Confidence In The Arts And Crafts, Kayla Rich

Theses and Dissertations

Many secondary students enter art classrooms believing that artistic ability is an innate talent rather than a skill that can be developed, often resulting in low confidence, perfectionist tendencies, and a reluctance to take creative risks. This action research study investigated how participation in a crafts-focused bookmaking curriculum affected students' engagement, divergent creativity, artmaking, and mindset in relation to success, failure, and creative risk-taking. Drawing on research in growth mindset, guided mastery, craft education, and artists' books, I designed and implemented a scaffolded curriculum that progressed from structured bookbinding techniques and process-based exploration to conceptually driven artists' books. The study …

Teacher Agency, Distributed Leadership, And Mandated Curriculum: A Mixed Methods Study, Stephen Albert Gray

Ed.D. Dissertations

The purpose of this sequential explanatory mixed methods study was to explore the relationship between teacher agency, distributed leadership, and mandated curriculum. Ecological teacher agency was the dependent variable and used as a framework to explore the problem of restrictive curriculum environments for licensed K-12 teachers in the United States. Distributed leadership functioned as the independent variable and was tested to see whether distributed leadership environments could increase teachers’ agency regardless of curriculum context. Surveys were shared through Qualtrics with 195 teachers responding (N =195), with 12 teachers participating in follow-up Zoom interviews. Distributed leadership and teacher agency were positively …

Dynamic Analysis Of The Role Of Border Area Teachers In Implementing The Deep Learning Approach Through Visual Mapping Assisted By Cousal Loop Diagram (Cdl), Siprianus Jewarut, Usman Usman, Rikardus Sehajun, Pramatatya Resindra Widya

Jurnal Pendidikan Geografi: Kajian, Teori, dan Praktek dalam Bidang Pendidikan dan Ilmu Geografi

Bengkayang is one of the districts in Kalimantan Province. This regency is very special because it is located right on the border between Indonesia and Serikin Sarawak, Malaysia. The condition of the border area certainly leaves various challenges due to the area's location quite far from the city center and a fairly large area. This situation presents a very significant challenge in efforts to improve the quality of education and human resources of the community in the Bengkayang region. Based on the actual conditions in the field, various limitations were found, ranging from the lack of availability of educational facilities …

July 31, 2026 Ereporter, University Of Alabama At Birmingham

eReporter (campus newsletter)

No abstract provided.

Morocco’S Sand Wall Construction: Challenges In Peacemaking Efforts In Western Sahara, Tarasyah Faz'lin, Apipudin Apipudin

Journal of Strategic and Global Studies

The Sahrawi ethnic conflict in Western Sahara has been ongoing for decades. Although various international efforts have been made to resolve it peacefully, they have not yielded results. This study focuses on the construction of a sand wall by Morocco and the involvement of international actors in the Western Sahara conflict. It explores the legal implications of Morocco’s construction of the sand wall, the role of international actors, the causes of the UN’s failure in achieving a peaceful resolution, and the impact of the conflict on the younger generation of Western Sahara. This research uses qualitative methods and primarily employs …