bluuebunny/crossref_metadata_2025_split huggingface dataset:
Defining the influence of the screw press loading conditions on the consumed current of its drive with the use of Arduino microcontroller
Authors: Корендій В. М. , Гавран В. Б. 
Published: April 2024

In scope of this article was developed method for detecting how the loading conditions of a screw press impact its drive's power consumption with the help of sensors and Arduino microcontroller. Since sunflower oil is one of the most common products of the food industry, the problem of efficiency of the seeds processing is an urgent one aimed at improving the performance of presses and decreasing the consumed power of their drives. The research employed scientific methods such as analysis, modeling, experiment, measurement and observation to create valid outcomes. The simplified schematic diagram of the screw press electromechanical system is developed based on its full-scale experimental prototype LiangTai LTP200. The measurements are performed with the help of the current and voltage sensors SCT-013-030 and ZMPT101B connected to the Arduino microcontroller. Study defines the loading levels of the pressing chamber as the ratio between the volume of the sunflower seeds loaded into the chamber and the total active volume of the chamber. The volume of the seeds is defined with the help of the measuring sleeve (volumetric flask) and is additionally calculated as the product of their mass by the corresponding bulk density. The mass is measured by the electronic scales KYA800077. The study tested consumed current at no-load conditions and at the loading levels of 33 %, 67 %, 100 %. The experiments conducted for the case of the sunflower seeds processing confirm the proportional increase in the consumed current of the screw press drive during the increase of the loading level of the pressing chamber. This allows improving the corresponding control algorithms aimed at optimizing the power consumption of the press drive. The significance of utilizing the Arduino microcontroller in this context is profound. This research has set the ground for the possible application of these methods in other oil-containing seeds processing. In addition, the experimental data can be used for monitoring and preventing the overloading conditions that can cause the breakdown of the press drive elements.
Реалізація математичної моделі розподілу полів вологості в процесі кондиціювання термічно модифікованої деревини ясена
Authors: Андрашек Й. В. , Курка Р. Р. , Петросюк О. М. 
Published: April 2024

Математичне моделювання полів вологості термічно модифікованої деревини під час її кондиціювання є актуальним завданням, вирішення якого має велике значення для забезпечення якісних характеристик готових виробів. Наведено результати експериментальних досліджень розподілу вологості за товщиною термічно модифікованої деревини ясена після завершення процесу кондиціювання (зволоження) протягом шести, дванадцяти та вісімнадцяти годин. Встановлено, що для практичної реалізації розробленої авторами математичної моделі розподілу полів вологості в процесі кондиціювання термічно модифікованої деревини ясена необхідно ввести певні зміни і уточнення для деяких параметрів математичної моделі. Введено заміну критерію Фур'є на інший, який дасть змогу фізично наблизити показники моделі до емпірично отриманих даних, та введено два параметри для компенсації особливостей зволоження та рівноважної вологості деревини. Запропоновано визначати коефіцієнт вологопровідності (потенціалопровідності) графоаналітичним способом за результатами експериментальних досліджень зміни вологості термічно модифікованої деревини ясена за товщиною в процесі кондиціювання. Зазначено, що параметри: вологопровідності, відносної вологості, температури, часу, показника компенсації різниці властивостей між процесом сушіння та зволоження, а також показника різниці рівноважної вологості між звичайною деревиною і термічно модифікованою є зафіксовані протягом усього експерименту. У процесі ітерації моделі отримано чотирьохточкові дані, на підставі яких побудовано квадратичні криві із нульовим середньоквадратичним відхиленням. Результати продемонстровано графічно. Проведено порівняння отриманих даних із емпіричним експериментом. Встановлено, що параметри гарантують визначення значень полів вологості з похибкою ±0,6 %, що є досить хорошим показником для практичного використання впродовж шести та дванадцяти годин експерименту. Однак, середньоквадратичне відхилення впродовж вісімнадцяти годин показує, що максимальне відхилення можливе в межах ±1,6 % під час використання моделі. Це пояснюється зафіксованими параметрами моделі, які не дають змоги повною мірою оцінити процеси у камері для кондиціювання. Встановлено, що отриману математичну модель можна практично використати для визначення тривалості процесу кондиціювання з метою досягнення необхідної кінцевої вологості термічно модифікованої деревини для різних умов експлуатації. Математичну модель розподілу полів вологості в процесі кондиціювання термічно модифікованої деревини ясена можна використати для інших порід деревини після визначення коефіцієнта потенціалопровідності за результатами експериментальних досліджень для конкретної породи деревини.
CBD Oil Concentration and Hemp Flower Drying Preferences of U.S. Consumers
Authors: Jacobs Benjamin D. J. , Popp Michael P. , Ahn Sunjin , Verbeke Wim , McFadden Brandon R. , Mark Tyler B. , Rabinowitz Adam N. , Campbell Benjamin 
Published: April 2024

The method used to dry hemp flowers can impact the concentration of cannabidiol (CBD) and other quality characteristics like mold levels in CBD oil. Understanding consumer preferences is vital for hemp producers and processors because there is variation in drying time, energy use, and capital investment between potential drying methods. This research assesses willingness to pay (WTP) for CBD oil at varying CBD content (mg per 1-oz.(30 mL) bottle) and drying methods to better understand consumer preferences and how consumers make tradeoffs between CBD oil attributes. Specifically, the authors elicit preferences toward drying using: i) controlled ambient conditions (air-drying), ii) infrared radiation (IR), and iii) freeze-drying or lyophilization. Few statistically significant WTP differences between CBD oils, when marketed at average attribute levels, were found for higher or lower CBD concentration or drying method. An exception was respondents 55 years of age or older who had a higher WTP for CBD oil with greater CBD content (2,500 mg) and also preferred the freeze dried product over the baseline of a conventionally air-dried product with 1,000 mg of CBD. The lack of distinct preferences among the majority of consumers suggests that producers and processors can choose alternative drying methods based on their cost, time, and energy constraints without risking a WTP penalty. The findings indicate that consumers do not have well-formed preferences for CBD oil as it is a relatively novel product. Yet, the results suggest that consumers may interpret higher prices to reflect higher quality/product safety, thereby offering perceived quality assurance.
Morphosemantic Analysis Skills Among Digital Native Non-Arabic Speakers
Authors: Adawiah Siti Robiatul , Sopian Asep , Nursyamsiah Nunung 
Published: April 2024

This study aims to determine the ability of Arabic morphosemantic analysis on digital natives who are not native Arabic speakers. The research method used is descriptive quantitative with percentage-based analysis. Data were collected through an open-ended multiple-choice test that was structured based on morphosemantic indicators. The validity of the test instrument has been confirmed by Arabic morphosemantics experts. The study involved 34 digital native Arabic students, selected through a purposive sampling technique. The results show that the morphosemantic analysis ability of digital native non-Arabic speakers is generally considered insufficient, with a percentage of 49.2%. The ability in the aspects of word derivation and shighat is classified as moderate with a percentage of 67.6% and 65.7% respectively, while the ability in the aspects of affixes, word roots, semantic aspects, and wazan is categorized as "very poor" with a percentage of 44.7%, 42.1%, 37.2%, and 36.4% respectively. This study concludes that the morphosemantic analysis ability of digital native non-Arabic speakers is still at a deficient level, and effective strategies need to be developed to improve it
Penelitian ini bertujuan untuk mengetahui kemampuan analisis morfosemantik bahasa Arab pada digital native yang bukan penutur asli Arab. Metode penelitian yang digunakan adalah deskriptif kuantitatif dengan analisis berbasis persentase. Data dikumpulkan melalui uji pilihan ganda terbuka yang disusun berdasarkan indikator morfosemantik. Validitas instrumen uji telah dikonfirmasi oleh ahli morfosemantik bahasa Arab. Penelitian melibatkan 34 mahasiswa bahasa Arab digital native, dipilih melalui teknik purposive sampling. Hasilnya menunjukkan bahwa kemampuan analisis morfosemantik digital native non penutur Arab secara umum tergolong kurang, dengan persentase 49.2%. Kemampuan dalam aspek derivasi kata dan shighat diklasifikasikan sebagai sedang dengan persentase masing-masing 67.6% dan 65.7%, sementara kemampuan dalam aspek imbuhan, akar kata, aspek semantik, dan wazan dikategorikan sebagai “sangat kurang” dengan persentase masing-masing 44.7%, 42.1%, 37.2%, dan 36.4%. Kesimpulan dari penelitian ini adalah bahwa kemampuan analisis morfosemantik digital native non penutur Arab masih memiliki tingkat yang kurang, dan strategi yang efektif perlu dikembangkan untuk meningkatkannya.
АНАЛИЗ РЕНТАБЕЛЬНОСТИ ОХОТНИЧЬИХ ХОЗЯЙСТВ АЛМАТИНСКОЙ ОБЛАСТИ
Authors: Хамчукова Анна , Плахов Константин , Туганбеков Айтуар , Кентбаева Ботагоз 
Published: April 2024

Понимание экономики охотничьего хозяйства в современных условиях необходимо для эффективного управления этой отраслью со стороны государства и формирования рынков потребления продукции охотничьего хозяйства (внутреннего и внешнего). Проводимые государством в этой сфере преобразования направлены на повышение рентабельности и социальной роли охотничьего хозяйства. Успех этого процесса зависит от совокупного понимания биологических, правовых и экономических составляющих ведения охотничьего хозяйства. В статье дана характеристика охотэкономических показателей субъектов охотничьего хозяйства за охотничий сезон 2021 г. на примере Алматинской области, и приведены результаты анализа их рентабельности. Для проведения анализа были использованы сведения из отчетов об охотхозяйственной деятельности за 2021 г., подаваемые охотпользователями в государственный орган, уполномоченный в области охраны, воспроизводства и использования животного мира - Комитет лесного хозяйства и животного мира Министерства экологии и природных ресурсов Республики Казахстан. Показана также динамика численности видов животных, являющихся объектами охоты в регионе, за трёхлетний период – как возобновляемого ресурса, на устойчивом использовании которого базируется охотничье хозяйство. На сновании полученных данных предложена классификация охотничьих хозяйств по экономическим показателям. Было установлено, что прибыль даже высокорентабельных охотничьих хозяйств формируется за счет экономии на содержании егерской службы, охране диких животных, проведении необходимых охотхозяйственных и биотехнических мероприятий. Такой способ ведения охотничьего хозяйства является экстенсивным и может повлечь за собой нежелательные последствия, среди которых деградация угодий и сокращение числа охотничьих животных. Знание экономической составляющей ведения охотничьего хозяйства важно, как для эффективного управления этой отраслью со стороны государства, так и для снижения рисков, связанных с его ведением, обеспечения его окупаемости и повышения привлекательности для потенциальных инвесторов.
Studi Pendahuluan Pembuatan Bioplastik Dari Alga Caulerpa sp. Dengan Variasi Konsentrasi Asam Asetat
Authors: Putnarubun Cenny , Ngabalin Daniel , Bugis Musli 
Published: April 2024

Bioplastik adalah plastik yang dapat digunakan seperti plastik konvensional lainnya namun memilki keunggulan cepat terurai atau hancur oleh mikroorganisme menjadi air dan gas karbondioksida ketika habis dipergunakan dan dibuang ke lingkungan tanpa meninggalkan zat beracun. Bioplastik ini secara global sudah dikenal dan telah dikembangkan termasuk di Indonesia dan dikenal dengan plastic biodegradable. Rumput laut salah yang dapat dimanfaatkan sebagai bahan baku dalam industri pangan, farmasi, kosmetik dan bioteknologi. Karaginan dari rumput laut dapat digunakan untuk memproduksi bioplastik. Tujuan dari penelitian ini menganalisis kualitas bioplastic dan pengaruh variasi konsetrasi asam asetat terhadap bioplastic alga Caulerpa sp. Metode dalam penelitian eksperimental meliputi tiga tahapan yakni preparasi sampel, ekstraksi rumput laut dan pembuatan bioplastik. Hasil dari penelitian menunjukan variasi asam asetat terbaik adalah konsetrasi 1% asam asetat memberikan pengaruh terhadap pembentukan bioplastik.
Formulasi Tepung Ikan Bandeng (Chanos chanos) Dalam Pembuatan Biskuit Sebagai Makanan Pendamping ASI (MP-ASI)
Authors: Husain Rahim , Umar Nabila Salsabila , Suherman Sutianto Pratama 
Published: April 2024

Tujuan penelitian ini untuk menganalisis formulasi, kandungan gizi dan organoleptik biskuit MP-ASI substitusi tepung Ikan bandeng (Chanos chanos). Penelitian ini menggunakan metode eksperimen, 4 taraf perlakuan dengan 2 kali ulangan yaitu F0 (tepung ikan bandeng 0 gr : tepung terigu 100 gr), F1 (tepung ikan bandeng 10 gr : tepung terigu 90 gr), F2 (tepung ikan bandeng 15 gr : tepung terigu 85 gr), F3 (tepung ikan bandeng 20 gr : tepung terigu 80 gr). Parameter yang diuji meliputi organoleptik (warna aroma, rasa, tekstur), kadar air, kadar abu, kadar lemak, kadar serat, kadar protein dan kadar karbohidrat by difference. Hasil penelitian menunjukkan formulasi biskuit MP-ASI memberikan pengaruh nyata (0,05) terhadap kadar proksimat.Kandungan gizi biskuit MP-ASI yang memenuhi standar SN I 01-7111.2-2005 adalah kadar air 1,80%-3,19%, kadar abu 0,54%-1,09%, kadar serat 3,61%-4,51% dan kadar protein 11,04%-25,81%. Sedangkan kandungan gizi yang belum memenuhi standar adalah lemak 2,44%-4,59% dan karbohidrat 63,31%-83,04%.Berdasarkan uji organoleptik (hedonik) biskuit MP-ASI tidak memberikan pengaruh nyata terhadap parameter organoleptik yang diuji, dengan kriteria penerimaan suka.
Optical- and UV-continuum Morphologies of Compact Radio Source Hosts
Authors: Duggal C. , O’Dea C. P. , Baum S. A. , Labiano A. , Tadhunter C. , Worrall D. M. , Morganti R. , Tremblay G. R. , Dicken D. 
Published: April 2024

Abstract
We present the first systematic search for UV signatures from radio source-driven active galactic nuclei (AGN) feedback in Compact Steep Spectrum (CSS) radio galaxies. Owing to their characteristic sub-galactic jets (1–20 kpc projected linear sizes), CSS hosts are excellent laboratories for probing galaxy scale feedback via jet-triggered star formation. The sample consists of seven powerful CSS galaxies, and two galaxies host to radio sources >20 kpc as the control, at low to intermediate redshifts (z < 0.6). Our new Hubble Space Telescope images show extended UV continuum emission in six out of seven CSS galaxies, with five CSS hosts exhibiting UV knots cospatial and aligned along the radio-jet axis. Young (≲ 10 Myr), massive (≳ 5 M
⊙) stellar populations are likely to be the dominant source of the blue excess emission in radio galaxies at these redshifts. Hence, the radio-aligned UV regions could be attributed to jet-induced starbursts. Lower near-UV star formation rates compared to other indicators suggest low scattered AGN light contribution to the observed UV. Dust attenuation of UV emission appears unlikely from high internal extinction correction estimates in most sources. Comparison with evolutionary synthesis models shows that our observations are consistent with recent (∼1−8 Myr old) star-forming activity likely triggered by current or an earlier episode of radio emission, or by a confined radio source that has frustrated growth, due to a dense environment. While follow-up spectroscopic and polarized light observations are needed to constrain the activity-related components in the observed UV, the detection of jet-induced star formation is a confirmation of an important prediction of the jet feedback paradigm.
Primordial Black Holes in Scalar Field Inflation Coupled to the Gauss–Bonnet Term with Fractional Power-law Potentials
Authors: Ashrafzadeh Ali , Karami Kayoomars 
Published: April 2024

Abstract
In this study, we investigate the formation of primordial black holes (PBHs) in a scalar field inflationary model coupled to the Gauss–Bonnet term with fractional power-law potentials. The coupling function enhances the curvature perturbations, then results in the generation of PBHs and detectable secondary gravitational waves (GWs). We identify three separate sets of parameters for the potential functions of the form ϕ
1/3, ϕ
2/5, and ϕ
2/3. By adjusting the model parameters, we decelerate the inflaton during the ultra-slow-roll phase and enhance curvature perturbations. Our calculations predict the formation of PBHs with masses of

O
(
10
)

M

⊙

, which are compatible with LIGO-Virgo observational data. Additionally, we find PBHs with masses around

O
(

10

−
6

)

M

⊙

and

O
(

10

−
5

)

M

⊙

, which can explain ultra-short-timescale microlensing events in OGLE data. Furthermore, our proposed mechanism could lead to the formation of PBHs in mass scales around

O
(

10

−
14

)

M

⊙

and

O
(

10

−
13

)

M

⊙

, contributing to approximately 99% of the dark matter in the Universe. We also study the production of secondary GWs in our model. In all cases of the model, the density parameter of secondary GWs

Ω

GW

0

exhibits peaks that intersect the sensitivity curves of GW detectors, providing a means to verify our findings using data of these detectors. Our numerical results demonstrate a power-law behavior for the spectra of

Ω

GW

0

with respect to frequency, given by

Ω

GW

0

(
f
)
∼
(
f

/

f

c

)

n

. Additionally, in the infrared regime where f ≪ f

c
, the power index takes a log-dependent form, specifically

n
=
3
−
2

/

ln
(

f

c

/

f
)

.
Testing EMRI Models for Quasi-periodic Eruptions with 3.5 yr of Monitoring eRO-QPE1
Authors: Chakraborty Joheen , Arcodia Riccardo , Kara Erin , Miniutti Giovanni , Giustini Margherita , Tetarenko Alexandra J. , Rhodes Lauren , Franchini Alessia , Bonetti Matteo , Burdge Kevin B. , Goodwin Adelle J. , Maccarone Thomas J. , Merloni Andrea , Ponti Gabriele , Remillard Ronald A. , Saxton Richard D. 
Published: April 2024

Abstract
Quasi-periodic eruptions (QPEs) are luminous X-ray outbursts recurring on hour timescales, observed from the nuclei of a growing handful of nearby low-mass galaxies. Their physical origin is still debated, and usually modeled as (a) accretion disk instabilities or (b) interaction of a supermassive black hole (SMBH) with a lower mass companion in an extreme mass-ratio inspiral (EMRI). EMRI models can be tested with several predictions related to the short- and long-term behavior of QPEs. In this study, we report on the ongoing 3.5 yr NICER and XMM-Newton monitoring campaign of eRO-QPE1, which is known to exhibit erratic QPEs that have been challenging for the simplest EMRI models to explain. We report (1) complex, non-monotonic evolution in the long-term trends of QPE energy output and inferred emitting area; (2) the disappearance of the QPEs (within NICER detectability) in 2023 October, and then the reappearance by 2024 January at a luminosity of ∼100× fainter (and temperature of ∼3× cooler) than the initial discovery; (3) radio non-detections with MeerKAT and Very Large Array observations partly contemporaneous with our NICER campaign (though not during outbursts); and (4) the presence of a possible ∼6 day modulation of the QPE timing residuals, which aligns with the expected nodal precession timescale of the underlying accretion disk. Our results tentatively support EMRI–disk collision models powering the QPEs, and we demonstrate that the timing modulation of QPEs may be used to jointly constrain the SMBH spin and disk density profile.
Generalized Coronal Loop Scaling Laws and Their Implication for Turbulence in Solar Active Region Loops
Authors: Dai Y. , Xiang J. J. , Ding M. D. 
Published: April 2024

Abstract
Recent coronal loop modeling has emphasized the importance of combining both Coulomb collisions and turbulent scattering to characterize field-aligned thermal conduction, which invokes a hybrid loop model. In this work, we generalize the hybrid model by incorporating a nonuniform heating and cross section that are both formulated by a power-law function of temperature. Based on the hybrid model solutions, we construct scaling laws that relate loop-top temperature (T

a
) and heating rate (H

a
) to other loop parameters. It is found that the loop-top properties for turbulent loops are additionally power-law functions of the turbulent mean free path (λ

T
), with the functional forms varying from situation to situation, depending on the specification of the heating and/or areal parameters. More importantly, both a sufficiently footpoint-concentrated heating and a cross-sectional expansion with height can effectively weaken (strengthen) the negative (positive) power-law dependence of T

a
(H

a
) on λ

T
. The reason lies in a notable reduction of heat flux by footpoint heating and/or cross-sectional expansion in the turbulence-dominated coronal part, where turbulent scattering introduces a much weaker dependence of the conduction coefficient on temperature. In this region, therefore, the reduction of the heat flux predominately relies on a backward flattening of the temperature gradient. Through numerical modeling that incorporates more realistic conditions, this scenario is further consolidated. Our results have important implications for solar active region (AR) loops. With the factors of nonuniform heating and cross section taken into account, AR loops can bear relatively stronger turbulence while still keeping a physically reasonable temperature for nonflaring loops.
Integrating Palliative Care Screening in the Intensive Care Unit: A Quality Improvement Project
Authors: Phillips Traci N. , Gormley Denise K. , Donaworth Sherry 
Published: April 2024

Background
Patients admitted to the intensive care unit have complex medical problems and increased rates of mortality and recurrent hospitalization for the following 10 years compared with patients without a history of critical illness. Delayed access to palliative care can result in untreated symptoms, lack of understanding of care preferences, and preventable admissions. Despite studies supporting palliative care screening, there is no standardized method to assess palliative care needs of patients admitted to critical care units.

Local Problem
A community hospital critical care team identified a need for an improved palliative care process for patients admitted to the intensive care unit.

Methods
The aim of this quality improvement project was to improve patient access to timely palliative care consultation while increasing the reach of the palliative care team. Guided by the Institute for Healthcare Improvement model of plan-do-study-act cycles, the team created a palliative care screening tool with clinical indicators for nurses to use upon patient admission. Patients with numeric scores indicating positive screening tool results could be automatically referred for palliative care consultation.

Results
Of 267 patients, 59 (22%) had positive screening tool results, compared with 31 (11.6%) identified with the traditional consultative method. Descriptive analysis revealed that patients identified for referral without use of the screening tool were hospitalized a mean of 6 days until consultation was requested.

Conclusion
The screening process can maximize the benefit of palliative care services with early patient identification, improved consultation efficiency, decreased critical care resource use, and reduced readmission rates.