bluuebunny/crossref_metadata_2025_split huggingface dataset:
Manajemen Pengendalian Gulma Tanaman Kelapa Sawit (Elaeis guineensis Jacq.) Di PT. ASN Kebun Tanoh Makmue Aceh Barat
Authors: Tolik Muhammad , Afrillah Muhammad , Alfides Herdiansyah 
Published: April 2023

<p>Tanaman kelapa sawit merupakan salah satu jenis tanaman perkebunan yang menduduki posisi penting dalam sektor pertanian. Pengendalian gulma pada tanaman kelapa sawit sangat diperlukan karena dapat menimbulkan kerugian baik secara langsung maupun tidak langsung. Tujuan dari kegiatan penelitian ini adalah untuk meningkatkan pemahaman, keterampilan teknis dan manajemen pengendalian gulma tanaman kelapa sawit. Penelitian ini dilaksanakan di Kebun Tanoh Makmue PT. Agro Sinergi Nusantara PKS Batee Puteh Desa Lueng Gayo, Aceh Jaya, pada September 2021 – Januari 2022. Pengumpulan data yang dilakukan yaitu pengumpulan data primer dan data sekunder. Data primer adalah informasi yang diperoleh ketika mengikuti kegiatan di lapangan, diskusi maupun wawancara dengan mandor dan asisten divisi serta melalui pengamatan langsung di kebun. Hasil penelitian menunjukkan gulma dominan pada kebun Tanoh Makmue terdapat hasil yang bervariasi di setiap blok diantaranya <em>Cyperus rotundus</em>, <em>Imperata cylindrica</em>, dan <em>Botrychium zeylanicum </em>L. Indeks keanekaragaman jenis pada perkebunan kelapa sawit dari semua jenis gulma yang didapatkan diperoleh nilai indeks keanekaragaman sebesar 2,17. Nilai tersebut menunjukan bahwa keanekaragaman jenis gulma pada perkebunan tersebut tergolong tinggi. Pengendalian gulma di kebun Tanoh Makmue menggunakan dua metode, yaitu secara mekanis/manual dan kimiawi. Pengendalian gulma secara manual dilakukan satu bulan sebelum pengendalian gulma secara kimiawi.</p><p align="left"> </p><p>Kata kunci: kelapa sawit, gulma dominan, keanekaragaman gulma</p>
PENGARUH JUMLAH PELEPAH PENYANGGA DALAM PROSES PENUNASAN (PRUNING) TERHADAP PRODUKSI TANAMAN KELAPA SAWIT (Elaeis guineensis Jaqc) DIPERKEBUNAN TANOH MAKMUE
Authors: Wasil Ahmad , Chairudin Chairudin 
Published: April 2023

<p align="center"><strong><em><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;">ABSTRAK</span></span></span></span></span></span></span></span></em></strong></p><p><strong><em> </em></strong><em><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;">Pelepah merupakan organ fotosintesis dan transpirasi pada tanaman kelapa sawit. </span></span></span></span></span></span></span><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;">Pengaturan jumlah pelepah pada saat ini belum mempunyai standar yang sesuai dengan lingkungan lahan. </span></span></span></span></span></span></span><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;">Penelitian ini dilaksanakan dengan tujuan memperoleh jumlah pelepah yang mendukung produksi tanaman kelapa sawit adapun tujuan penelitian ini untuk meningkatkan pengetahuan mahasiswa dan keterampilan dalam bekerja menambah pengalaman dalam kegiatan di perkebunan kelapa sawit serta mempelajari kegiatan budidaya tanaman kelapa sawit secara teknis dan manajerial. </span></span></span></span></span></span></span><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"><span style="vertical-align: inherit;">Percobaan penelitian ini dilaksanakan di PT ASN, kebun Tanoh Makmue, Kecamatan Teunom, Kabupaten Aceh Jaya dan dimulai pada Tanggal 26 Januari sampai 27 Mei 2022. Percobaan menggunakan rancangan kelompok acak dengan 9 perlakuan dan 3 kali ulangan.</span></span></span></span></span></span></span></span></em></p><p> </p><p align="center"> </p><p> </p>
ANALISIS METODE PERBANYAKAN JAMUR Trichoderma sp. PADA BEBERAPA JENIS MEDIA TUMBUH
Authors: Syam Netty , Utami Wiwik Putri , Hidrawati Hidrawati , Suryanti Suryanti 
Published: April 2023

<p>Tujuan penelitian ini adalah untuk mendapatkan jenis media dan metode perbanyakan jamur Trichoderma sp. Penelitian ini berupa percobaan yang disusun berdasarkan Rancangan Acak Lengkap Pola Faktorial (RALF). Faktor 1: Metode Perbanyakan terdiri atas dua yaitu Metode Terbuka dan Metode Tertutup, sedangkan Faktor 2: Media Tumbuh yang terdiri atas empat jenis media yaitu: beras, dedak, Jagung dan Beras+Jagung. Hasil penelitian menunjukkan bahwa media yang paling baik untuk pertumbuhan Trichoderma yaitu jumlah Spora Trichoderma yang diperoleh lebih tinggi pada metode tertutup yang menggunakan media beras+jagung. Viabilitas spora terbaik didapatkan pada media tertutup sebesar 71,70 % pada media dedak dibandingkan dengan media lainnya.</p>
KAJIAN PEMBERIAN PUPUK KANDANG SAPI DAN PUPUK HAYATI BIOTOGROW TERHADAP PERTUMBUHAN DAN HASIL KACANG HIJAU (Vigna radiata L.)
Authors: Bella Fitria Ardia Salsa 
Published: April 2023

<p class="Standard">Tujuan dari penelitian ini “Kajian Pemberian Pupuk Kandang Sapi Dan Pupuk Hayati BiotoGrow Terhadap Pertumbuhan Dan Hasil Kacang Hijau (<em>Vigna radiata</em> L.) “ yaitu untuk mengetahui pengaruh pupuk kandang sapi dan pupuk hayati BiotoGrow terhadap pertumbuhan dan hasil tanaman kacang hijau. Penelitian ini dilaksanakan di Kebun Benih Tanaman Pangan dan Hortikultura wilayah Surakarta yang bertempat di Tohudan, Kecamatan Colomadu, Kabupaten Karanganyar mulai bulan Oktober 2022 sampai dengan Januari 2023. Penelitian ini menggunakan Rancangan Acak Kelompok Lengkap (RAKL) dengan 2 faktor dan diulang sebanyak 3 kali. Pupuk kandang sapi (K) sebagai faktor 1 terdiri dari 4 taraf yaitu K0 = 0 kg/ha, K1 = 1500 kg/ha, K2 = 3000 kg/ha, K3 = 4500 kg/ha. Pupuk hayati BiotoGrow (G) sebagai faktor 2 dari 4 taraf yaitu G0 = 0 ml/l, G1 = 1,5 ml/l, G2 = 3 ml/l, G3 = 4,5 ml/l. Data penelitian ini dianalisis menggunakan analisis ragam dilanjutkan dengan uji lanjut BNJ dengan taraf α = 5%. Parameter yang diamati antara lain tinggi tanaman, jumlah cabang, jumlah polong per tanaman, jumlah biji per tanaman, berat biji per tanaman, berat 100 biji, berat brangkasan basah, berat brangkasan kering. Hasil dari penelitian menunjukkan bahwa perlakuan pupuk kandang sapi (K) berpengaruh terhadap seluruh parameter pengamatan dengan perlakuan pupuk terbaik 3000 kg/ha (K2). Perlakuan pupuk hayati BiotoGrow (G) berpengaruh terhadap seluruh parameter pengamatan dengan perlakuan pupuk terbaik 3,5 ml/l (G2).</p><p class="Standard"> </p><p class="Standard">Kata kunci<strong>:</strong><strong> </strong><em>Kacang hijau</em><em>, </em><em>pupuk kandang sapi</em><em>, </em><em>pupuk hayati BiotoGrow<strong></strong></em></p>
Effect of a mineral-phytobiotic supplement on meat productivity and meat quality of crossbred sheep
Authors: Perig M. D. , Kyryliv Y. I. 
Published: April 2023

The article provides data on modern lamb production systems and factors affecting their quality. In order to obtain high-quality lamb, a mineral-phytobiotic additive was developed, which includes sulfate and sodium metasilicate as sources of sulfur and silicon, and a phytobiotic additive containing chili pepper, which has a fungicidal effect and exhibits antibacterial properties, intensifying the digestion process, cinnamon essential oil, which contributes to the normalization of the composition of the intestinal microflora and its stabilization. Carvacrol, contained in oregano oil, exhibits antibacterial and antifungal properties; thanks to this, it can be a good antiseptic, killing parasites that cause intestinal dysfunction. The best result was the addition of such a mixture in the amount of 1.8 % to the compound feed for young sheep in rearing from 10 days to 255 days of age. In order to study the influence of the mineral-phytobiotic supplement on growth intensity and meat quality, sheep were weighed at one day, 60, 100, 135, 180, and 255 days of age. In order to control the slaughter indicators of meat productivity, they were slaughtered at the age of 255 days (8.5 months, lamb category), since the meat of these animals is consumable. The taste properties of the meat were also assessed by tasting. As a result of the controlled slaughter, it was established that the addition of 1.8 % of the mineral-phytobiotic additive increased the live weight by 18.68 %, the slaughter weight by 22.87 %, the weight of the steamed carcass by 21.5 %, the chilled by 22.29 % of the slaughter yield by 3.52 %. Along with the increase in overall productivity, the chemical composition of lamb meat changed. In particular, protein level increased by 4.22 %, dry matter by 6.09 %, and ash by 11.25 %. The calorie content of meat increased by 2.47 %, and the protein/fat ratio approached 1 : 0.75 and was 1 : 0.79. The definition of taste qualities indicates that the meat of young animals is lighter and more delicate to taste. The nutritional value and dietary properties of meat were determined by color, tenderness, aroma, taste, juiciness, and appearance. The taste qualities of sheep were assessed by tasting. According to the organoleptic assessment, the meat from sheep of both groups had a pleasant smell, tender and juicy. According to the general assessment, the meat of the experimental group is excellent, and that of the control group is very good.
Celulares em sala de aula facilitam a aprendizagem?
Authors: Barros Charles dos Santos , Barros Suelen dos Santos 
Published: April 2023

Esse foi um dos questionamentos feito aos alunos da Educação de Jovens e Adultos para analisarem a eficácia do uso de uma das ferramentas midiáticas inseridas no contexto escolar. Atualmente, as escolas contam com diversos recursos tecnológicos, os quais servem como ferramentas que podem ser usadas pelos docentes. Vale frisar que, as mídias são divididas em três categorias: digital, eletrônica e impressa. A mídia digital é definida como o espaço que comporta os meios de comunicação que utilizam a linguagem binária da informática, possui como principal característica a interatividade, ou seja, nessa categoria o usuário pode interagir (PERNISA JUNIOR, 2002). A mídia eletrônica por sua vez, estar incluso a televisão, rádio e cinema, ambas objetivando a comunicação unidirecional, isto é, transmitem informações sem a interação (ARAUJO, 2008). Já a mídia impressa não tão moderna quanto a digital é muito utilizada pela sociedade, é representada pelos jornais, revistas, panfletos, livros etc. Alunos utilizam-nas desde a educação infantil até o último ano do ensino médio (FERREIRA e MOZZAQUATRO, 2015). Neste cenário, percebe-se como as mídias são essenciais para a sociedade. No entanto, a influência dos recursos midiáticos tanto na sociedade quanto na educação é um tema bastante discutido e questionado. Alguns autores relatam as influências negativas, assim como, outros descrevem os pontos positivos (ADORNO JUNIOR, 2009). Desta forma, qual o papel dos recursos midiáticos na educação? As Diretrizes Curriculares Nacional de Educação para o Ensino Médio estabelecem que o projeto político-pedagógico das unidades escolares utilize de diferentes mídias como processo de dinamização dos ambientes de aprendizagem, com o propósito de construção de novos saberes, assim como, inclusão digital (BRASIL, 2013). Nesta perspectiva, os professores deverão inserir em sua prática pedagógica os recursos midiáticos disponíveis na escola, além dos que os alunos trazem consigo (RAMOS, 2012). Mas, como os docentes implantarão tais medidas, visto que, a maioria das escolas são do século XIX, professores com formação do século XX e alunos do século XXI, ou seja, há uma diferença de tempo? (PEREIRA, 2016). Tendo como pressuposto a problemática acima, o presente capítulo tem como objetivo demonstrar a percepção de alunos em uma escola pública quanto a utilização do aparelho de celular no processo de ensino-aprendizagem.
ОСНОВНІ ГАРАНТІЇ МАТЕРІАЛЬНО-ПОБУТОВОГО ЗАБЕЗПЕЧЕННЯ ПРОКУРОРІВ В УКРАЇНІ
Authors: Шаль В. В. 
Published: April 2023

У статті автором особливу увагу приділено дослідженню основних гарантій матеріально-побутового забезпечення прокурорів. Наголошено на тому, що питання соціального захисту та матеріального забезпечення є одним із важливих чинників незалежності прокурора, оскільки саме він виконує ряд важливих функцій, спрямованих на захист людини і громадянина, загальних інтересів суспільства та держави. Акцентовано увагу, що ні профільним законом, ні нормативно-правовими актами, які регулюють питання забезпечення прокурорів та працівників прокуратур в цілому не визначено термінологічного розуміння «матеріально-побутового забезпечення прокурора». Тому у статті запропоновано до матеріально-побутового забезпечення прокурора віднести: оплату його праці, питання забезпечення прокурорів необхідними матеріальними ресурсами та матеріально-технічними засобами для їх належної роботи та своєчасного виконання покладених на них завдань та функцій, забезпечення прокурорів житлом. Визначено особливості окремо кожного з елементів матеріально-побутового забезпечення прокурорів. Наприклад, досліджуючи питання заробітної плати прокурорів виокремлено наступні її особливості: 1) регулювання питання заробітної плати здійснюється виключно на законодавчому рівні; 2) чітко законодавчо визначена структура заробітної плати прокурора; 3) основною складовою структури заробітної плати прокурора є посадовий оклад; 4) здійснено диференціацію розмірів посадових актів прокурорів в залежності від прокуратури, в якій особа працює; 5) здійснено прив’язку посадового окладу прокурора до розміру прожиткового мінімуму для працездатних осіб на 01 січня календарного року; 6) фінансування оплати праці прокурорів здійснюється із коштів Державного бюджету України; 7) передбачено наявність певних надбавок та доплат до посадового окладу, преміювання прокурорів; 8) передбачено надання прокурорам матеріальної допомоги для вирішення соціально-побутових питань та допомоги для оздоровлення; 9) передбачено підвищений рівень матеріального забезпечення прокурорів в період дії воєнного стану для окремих категорій прокурорів. Як підсумок, зроблено висновок, що на сьогодні в Україні підтримується належний рівень матеріально-побутового забезпечення прокурорів в Україні, оскільки держава приділяє достатньої уваги для створення комфортних умов праці прокурора: оплата праці прокурора є гідною; структура заробітної плати відповідає європейським та міжнародним стандартам; забезпечено диференціацію праці прокурора за різними посадами; забезпечено встановлення різного виду надбавок тощо.
NanoPCM Based Thermal Energy Storage System for a Residential Building
Authors: Daneshazarian Reza , Bayomy Ayman M. , Dworkin Seth 
Published: April 2023

<p>Implementation of thermal energy storage (TES) systems into a building and facilities improves the performance of the heating/cooling system by reducing energy waste. Thermal performance of a <a href="https://www.sciencedirect.com/topics/engineering/thermal-energy-storage" target="_blank">TES</a> relies on the thermophysical properties of the thermal storage medium (TSM). In the present study, a novel two-step selection model has been implemented to choose the best TSM to improve TES system performance. Various types of thermal storage media are investigated considering phase change materials combined with nanoparticles. Thermal storage capacity, heat storage rate, and thermal storage efficiency have been considered as the main selection parameters in a hierarchy method. A significant contribution of this work is the development of a modelling methodology which can be used as a material selection process or tool. It enables the selection of the most efficient TES on a case-by-case basis. This TSM selection technique adds new understanding of selection tools, and new modelling capabilities to this field. It works with a variety of building cooling/heating loads, and helps minimize the environmental impact of extracting/releasing heat to the ground in geothermal applications. The TSM includes PCM and various PCMs have been considered with a melting range of 5–11℃. A material database of 90 different nano phase change materials (nanoPCMs) has been generated by considering ten types of TSMs and nine types of nanoparticles. First, a 2D numerical model has been used to investigate the heat transfer characteristics of the TSM filled in a cylindrical enclosure with a height of 5 cm and a diameter of 1.2 cm. Fourteen different nanoPCMs were selected to further study based on their thermal storage capacity, heat storage rate, and improvement coefficient and implemented into a second numerical model (3D) to calculate the thermal storage efficiency of the designed underground TES system with a height of 20 m and a diameter of 1.5 m. Finally, a building heating/cooling load has been implemented in the numerical model to evaluate the performance of the final designed system on the ground temperature throughout five years of operation. The ground temperature and its variation have an effect on the performance of the ground source heat pump. After five years of operation simulation of the no-PCM system, the ground temperature has increased by 1.78℃ to 9.78℃. However, by adding PCM and nanoPCM, the average temperature reduced to 8.95℃ and 8.72℃, respectively.</p>
On the sudden reversal of soot formation by oxygen addition in DME flames
Authors: Cepeda Francisco , Di Liddo Luke , Serwin Marek , Karataş Ahmet , Dworkin Seth 
Published: April 2023

<p>Dimethyl ether (DME) is a non-toxic and <a href="https://www.sciencedirect.com/topics/engineering/renewable-fuel" target="_blank">renewable fuel</a> known for its soot emissions reduction tendencies. In laminar co-flow DME <a href="https://www.sciencedirect.com/topics/engineering/diffusion-flame" target="_blank">diffusion flames</a>, adding oxygen to the fuel stream increases the sooting tendency until a critical point is reached, at which point the trend suddenly reverses. This work unravels the mechanisms behind this reversal process, and characterizes their contribution to controlling soot production. A series of experimental measurements using diffuse-light line-of-sight attenuation and two-colour pyrometry were performed to measure soot volume fraction and soot temperature considering a fixed <a href="https://www.sciencedirect.com/topics/engineering/mass-flowrate" target="_blank">mass flow rate</a> of DME and variable addition of oxygen. Soot volume fraction increases from 0.095 ppm in the pure DME flame to 0.32 ppm when the added oxygen concentration reaches 33%. When the oxygen concentration is slightly increased to 35%, soot volume fraction is reduced by 60%. To explain the reasons behind the reversal, a series of numerical simulations were performed, which successfully demonstrated the same trend. Results show that the chemical effects of adding oxygen to the fuel stream are exceedingly more important than the thermal and dilution effects. It was found that the reversal occurred when nearly all DME disassociated before exiting the fuel tube, indicating a sudden transition from a partially premixed DME flame, to one which primarily burns C1 fuel fragments. An analysis of soot formation and <a href="https://www.sciencedirect.com/topics/chemical-engineering/oxidation-reaction" target="_blank">oxidation</a> rates showed that near the reversal, soot inception is the least affected process; furthermore, soot precursor availability is not significantly affected in magnitude, rather they appear further upstream. It is concluded that the favourable conditions for rapid DME decomposition into soot precursors enhances soot inception while depleting the necessary species for further soot mass growth, dramatically reducing soot concentration.</p>
Estimação da temperatura da água: um levantamento dos modelos estatísticos para a aplicação em IOT e Tanques de Aquicultura
Authors: Silva Jheklos Gomes da , Souza Ricardo André Cavalcante de , Nobrega Obionor de Oliveira 
Published: April 2023

A temperatura da água é uma propriedade física importante para saúde dos ecossistemas aquáticos por afetar a concentração de saturação de oxigênio dissolvido na água e alterar reações químicas e biológicas que pode fazer com que as espécies tenham seu metabolismo, reprodução, crescimento e sobrevivência ameaçada. Portanto, para garantir que a água esteja em conformidade para as produções aquícolas ou para outras áreas que dependam da temperatura, o monitoramento constante da água é essencial. Existem diversos dispositivos que permitem essa medição, no entanto, não estão presentes em todos locais que tenham essa necessidade. Como alternativa, a estimação da temperatura da água pode ser aplicada nesses ambientes. O objetivo deste estudo é realizar um mapeamento sistemático da literatura que apresente uma revisão dos modelos estatísticos utilizados na estimação da temperatura da água em rios. Diversos modelos estatísticos têm sido empregados para esse fim em diversas partes do mundo, incluindo o Brasil. Este mapeamento visa identificar quais modelos foram utilizados, bem como realizar comparações e análises críticas sobre os usos e avaliações desses modelos.
Tecnologias de comunicação implementadas para o atendimento dos pacientes críticos e não críticos: revisão de escopo
Authors: Silva Diego Ferreira da , Souza Margarete Gonçalves de , Gomes Juliana Braga 
Published: April 2023

Objetivo: analisar as evidências científicas disponíveis sobre o emprego de tecnologias de comunicação utilizadas para facilitar a interação entre familiares e pacientes internados nas UTIs e ILP. Método: revisão de escopo, realizada segundo o modelo proposto pela Joanna Briggs Institute, por meio da revisão das bases de dados: MEDLINE (PubMed), LILACS, EMBASE, CINAHL, SCOPUS, WEB OF SCIENCE e PSYCINFO. Foram incluídos todos os tipos de desenho metodológico, publicados em inglês, espanhol e português, que envolvessem tecnologias de comunicação de saúde aplicadas aos cuidados do paciente críticos e não críticos (por exemplo: vídeo chamadas, videoconferências e etc.) internados em UTI ou em instituições de longa permanência. Resultados: foram incluídos 15 estudos que verificaram a videochamada como principal estratégia e os seguintes benefícios: melhoria na comunicação e vínculo entre médicos, pacientes e seus familiares, diminuição da sedação, agitação, delirium, depressão, tempo do coma e de permanência na UTI e dos efeitos negativos do isolamento e solidão. Conclusão: apesar da qualidade metodológica variável dos estudos, o uso de tecnologias de comunicação em ambientes que o paciente precisa ficar isolados de sua família apresentam benefícios, superiores às suas desvantagens ou limitações para a recuperação clínica dos pacientes.