bluuebunny/crossref_metadata_2025_split huggingface dataset:
PENGARUH MEDIA PENDINGIN TERHADAP KEKERASAN BAJA AISI 4140 SETELAH PERLAKUAN PANAS HARDENING
Authors: Saputra Arizal , Purwantono Purwantono , Rifelino Rifelino , Syahri Budi 
Published: October 2022

Penelitian ini menggunakan metode eksperimen yang bertujuan untuk mengetahui media pendingin mana yang lebih berpengaruh pada baja AISI 4140 setelah diberikan perlakuan panas hardening. Spesimen berbentuk batangan dengan ukuran 12 mm tinggi dan diameter 24 mm. Spesimen dibagi menjadi 12 dengan rincian 3 untuk media pendingin air, 3 untuk media pendingin oli, 3 untuk media pendingin air garam dan 3 untuk raw material. Raw material dijadikan panduan awal untuk melihat hasil perlakuan panas. Spesimen dipanaskan pada suhu 720º C selama 15 menit lalu didinginkan secara cepat dengan menggunakan media pendingin air, oli dan air garam. Volume media pendingin yang digunakan yaitu satu liter dan untuk air garam, volume air dan garam satu berbanding satu. Hasil kekerasan spesimen yang didinginkan menggunakan media pendingin air yaitu 29.4 HRC, hasil kekerasan menggunakan media pendingin oli yaitu 26.2 HRC sedangkan hasil kekerasan menggunakan media pendingin air garam yaitu 33.6 HRC. Memberikan media pendingin air, oli dan air garam memberikan kenaikan kekerasan yang signifikan terhadap hasil kekerasan. Yang mana kekerasan raw material dari baja AISI 4140 yaitu 21.8 HRC. Hasil kekerasan setelah menggunakan media pendingin air meningkat 34%, hasil kekerasan setelah menggunakan media pendingin oli meningkat 20%, hasil kekerasan menggunakan media pendingin air garam meningkat sebesar 54%.
HUBUNGAN MOTIVASI BELAJAR TERHADAP HASIL BELAJAR TEKNIK PENGELASAN SMAW DI SMK NEGERI 2 KOTA SUNGAI PENUH
Authors: Aryasandy Nensy , Jasman Jasman , Purwantono Purwantono , Abadi Zainal 
Published: October 2022

Motivasi belajar adalah keseluruhan daya penggerak dari peserta didik yang dapat menentukan keberhasilan belajar. Penelitian ini dilakukan karena hasil belajar peserta didik kelas XI TP-I dan XI TP-II Teknik Pengelasan SMAW di SMK Negeri 2 Kota Sungai Penuh sangat rendah. Penelitian ini bertujuan mengungkapkan hubungan antar motivasi belajar pada hasil belajar teknik las SMAW di SMK Negeri 2 Kota Sungai Penuh. Populasi penelitian ini berjumlah 39 peserta didik yang merupakan seluruh peserta didik kelas XI TP di SMK Negeri 2 Kota Sungai Penuh. Sampel dalam penelitian ini adalah seluruh populasi yaitu 39 peserta didik kelas XI TP-I dan II dengan teknik pengambilan sampel menggunakan teknik total-sampling. Metode yang digunakan yaitu metode kuantitatif yang bersifat korelasional dengan pengumpulan data secara instrumental berbentuk kuesioner yang diuji validitas dan reliabilitasnya . Teknik analisis yang dipakai ialah teknik pra analisis berupa uji normalitas dan uji linearitas, sedangkan uji hipotesis yang dipakai ialah teknik korelasi Produk Moment. Menurut hasil penelitian uji korelasi didapatkan nilai koefisien sebesar r 0,088 dengan taraf persentase 5% atau 0,05. Artinya, hubungan yang diberikan berdampak positif dan signifikan antara hasil belajar dan motivasi belajar. Ditunjukan semakin besar motivasi belajar peserta didik, maka akan semakin besar dampak hasil belajar peserta didik berikan.
Animation character recognition and character intelligence analysis based on semantic ontology and Poisson equation
Authors: Yang Zirui 
Published: October 2022

Abstract
In order to make a deeper research on the existing animation character recognition technology and improve the existing role intelligent analysis technology, semantic ontology and Poisson equation are combined to apply to the animation character recognition and role intelligent analysis technology. For the three-dimensional model, the mapping relationship between semantic tags and local geometric features is extracted to form an intelligent recognition ontology. In the recognition process, support vector machine (SVM) and local geometric features are used to identify semantic tags, and the recognition analysis is carried out according to the semantic tag driving level. Ensure the consistency of animation character model recognition level. In view of the equal perimeter of the recognition boundary under attitude change, the isoline is defined by Poisson equation. This optimization method makes the recognition boundary smooth and consistent under the change of attitude. In the experimental part, various animation character models under different postures are verified and analyzed, and the consistent hierarchical recognition effect is obtained. Compared with the existing methods, the proposed recognition ontology can solve the problem of adaptive selection of optimization parameters of different models and improve the recognition quality.
Meloidogyne Haplanaria: an Emerging Threat to Tomato Production in Florida
Authors: Espinoza-Lozano Lisbeth , Joseph S. , Crow W. T. , Noling J. , Mekete T. 
Published: October 2022

Abstract
The Mi-gene is widely used in different tomato cultivars to resist several Meloidogyne spp. (root-kot nematode; RKN), including M. incognita, M. javanica, and M. arenaria. Tomato cultivars with the Mi-gene are widely used in fields. However, factors such as temperatures, high initial population densities, and gene dosage can interfere with the expression of this gene. In addition, the presence of virulent species of RKN can limit the usefulness of the gene. One of the virulent species is M. haplanaria, which was identified infecting RKN-resistant tomato in Florida in 2015. The objectives of this study were to determine the initial damage threshold of M. haplanaria on tomato under greenhouse conditions and to analyze the impact of temperature and genetic background on virulence in tomato cultivars. The results showed a preliminary damage threshold of three eggs and J2/cm3 of soil. In addition, it was observed that M. haplanaria has a shorter life cycle than the virulent M. enterolobii and can infect, reproduce, and damage homozygous or heterozygous RKN-resistant tomato plants. This research demonstrated that M. haplanaria should be considered highly virulent on RKN-resistant tomato and is an important threat to agriculture in Florida.
Molecular Phylogenetic Characterization of Anguina tritici (Steinbuch, 1799) Filipjev, 1936 (Rhabditida: Anguinidae) on Barley from Iraq
Authors: Fanelli Elena , Abou Kubaa Raied , Al-Taee Ali Kareem , De Luca Francesca 
Published: October 2022

Abstract
During a nematological survey in Iraq, in the Bashika area, Ninevah province, an anguinid nematode population was isolated from galls of infected barley plants. The morphological characteristics indicated that the recovered species is identical to Anguina tritici. The barley population of A. tritici was molecularly characterized by sequencing two ribosomal regions (ITS and 18S rRNA genes), and their phylogenetic analyses revealed the newly generated sequences are in sister relation to corresponding sequences of A. tritici from wheat in the Bayesian tree, providing further evidence that the host plant can contribute to the separation of new isolates of plant parasitic nematodes.
ANALISIS KEMAMPUAN BERPIKIR KREATIF MATEMATIS SISWA SMP PADA MATERI BANGUN DATAR
Authors: Kamalia Nur Azizah , Ruli Redo Martila 
Published: October 2022

This study aims to describe the mathematical creative thinking ability of class VIII junior high school students in one of the schools in Karawang district in solving problems related to the material of flat shapes. This study uses a qualitative approach with a descriptive method. The subjects in this study were 16 students of class VIII in one of the junior high schools in Karawang Regency. The instrument used was in the form of a mathematical creative thinking ability test consisting of four essay questions and interview guidelines. The data collection techniques used in this research were tests and interviews. The data analysis technique used in this study consisted of data reduction, data presentation, and conclusion drawing. Based on the results and discussion of this study, it shows that the test results of students creative thinking skills are 25% in the high category with 4 students, 31.25% in the medium category with 5 students, and 43.75% in the low category. with a total of 7 students. So it can be concluded that the mathematical creative thinking ability of SMP class VIII students at one of the schools in Karawang district is still relatively low, and students also have not met the indicators of creative thinking skills, namely fluency, flexibility, originality, and elaboration
Ruptured aneurysm associated with a twig-like middle cerebral artery: An illustrative case report
Authors: Serrano-Rubio Alejandro , Ferrufino-Mejia Bill Roy , Balcázar-Padrón Juan C. , Rodríguez-Rubio Héctor A. , Nathal Edgar 
Published: October 2022

Background:
Anomalies of the middle cerebral artery (MCA) are rare; among the different types of anomalies, the aplastic or twig-like (Ap/T) MCA is extremely rare and has been reported under various names, including aplastic, unfused, or rete type anomaly. The occurrence of a brain aneurysm associated with this anatomic variant is an even rare event, and probably their development and rupture are related to hemodynamic stress of the tinny wall of vessels forming the network.

Case Description:
We present a 43-year-old male patient with an explosive and persistent right orbitofrontal headache. A computed tomography showed a right frontobasal hematoma with intraventricular disruption. Magnetic resonance angiography showed a right MCA aneurysm and what seems to be a MCA trunk stenosis. Cerebral digital subtraction angiography demonstrated a plexiform arterial network and one aneurysm arising from the network. The patient was successfully treated by surgical clipping to evacuate the hematoma and to prevent further intracranial hemorrhages.

Conclusion:
The Ap/T-MCA may be associated with hemodynamic stress with a significant effect through the tinny wall of the vessels causing hemorrhage or leading to the formation and rupture of cerebral aneurysms. Based on a correct diagnosis of the anomaly, treatment can be completed successfully through different standard methods.
Modified anterior transarticular C1/2 fixation for odontoid fractures: An approach with high complication rate in geriatric population
Authors: Mourad Mohammed Ahmed , Ottenbacher Andy , Rizk Ahmed R. 
Published: October 2022

Background:
In patients over 75 years of age, we applied a modified anterior transarticular C1/2 fixation with reduced pharyngeal mobilization versus the standard anterior triple/quadruple osteosynthesis procedures.

Methods:
From 2010 to 2018, 29 patients underwent a modified anterior transarticular C1/2 fixation utilizing single odontoid screw fixation through a right-sided Smith-Robinson – (i.e., short and steep screw trajectory for the right and long trajectory for the left side) approach. All the patients were 75 years of age or older (mean age 82.6) and had sustained odontoid Type II fractures. In addition, a subset exhibited further ligamentous injuries and/or atlas fractures. Their Mean Age-adjusted Charlson Comorbidity Index was 5.3 points (range 3–12), while mean American Society of Anesthesiologists scores averaged 2.9 (range 2–4).

Results:
The mean operating time was 55.8 min, there were no intraoperative complications, and there was minimal blood loss in all cases. The most common medical complications included aspiration pneumonia (24.1%, n = 7), altered mental status (17.2%, n = 5), and cardiac decompensation (6.9%, n = 2). One patient with delayed dysphagia and an infected implant resulting in loosening/dislocation required implant removal and long-term antibiotic therapy. The 30-day mortality rate was 13.8% (four patients) and the 1-year mortality rate was 27.6% (eight patients).

Conclusion:
Anterior transarticular C1/2/odontoid fixation with reduced pharyngeal mobilization and shorter operative times was associated with high morbidity/mortality rates. Dysphagia/aspiration was the major postoperative complications leading to some deaths especially in patients with dementia/Parkinsonism.
The development of a new, ultra-fine, and flexible neuroendoscope for intracranial observation
Authors: Onoda Keisuke , Sashida Ryohei , Hirokawa Yu , Fujiwara Ren , Wakamiya Tomihiro , Michiwaki Yuhei , Tanaka Tatsuya , Shimoji Kazuaki , Suehiro Eiichi , Yamane Fumitaka , Kawashima Masatou , Matsuno Akira 
Published: October 2022

Background:
A neuroendoscope is a technical advance that allows surgeons to visualize certain regions of the brain that was previously inaccessible through the use of a surgical microscope. Several neuroendoscope designs have been implemented by other neurosurgeons over the past 5 years. The advantage of a neuroendoscope is the addition of a flexible and narrow tip that allows for safe entry into intracranial structures for clinical observation. However, there are some limitations to this approach. Here, we report the use of a modified angioscope as a newly developed neuroendoscope to be employed in observing intracranial structures.

Methods:
We report the use of an angioscope that is 1.8 mm in diameter and has both a thin and flexible tip. In this study, the angioscope was inserted into the lumen of an aspirator tube, and the tip of the device was placed at the intracranial area of intended observation area. Image findings were evaluated using an established in vivo goat brain model.

Results:
The angioscope was light in weight and maneuverable and could be reached and observed in the blind spot using a surgical microscope. From the cerebellopontine angle, the lower cranial nerves and trigeminal nerve could be observed, and from the cisterna magna, the floor of the fourth ventricle and the aqueduct could be seen.

Conclusion:
The angioscope is a useful instrument to observe intracranial locations safely and effectively even within a limited surgical field. Further modifications will be required to use the angioscope in various craniotomy procedures.
Ecological and economical value of Artemisia spp. and tarragon cultivation under dry climate of Kalmykia
Authors: Джиргалова Е. , Бадмахалгаев А. , Ниджляева И. , Оросов С. , Эрднеева Б. 
Published: October 2022

Исследования проводились в 1990–2007 годах в сухостепной и полупустынной зонах Северо-Западного Прикаспия. Для этих зон впервые получено экспериментальное обоснование использования разных видов полыни в качестве кормовых культур, разработана технология возделывания эстрагона кормового, дана рекомендация по подготовке посадочного материала, приёмам основной обработки почвы, срокам и способам посадки и улучшению водного режима травостоя данной культуры путём применения полиакриламида (гидрогеля), обеспечивающих получение 2,5–3,0 т/га абсолютно сухого вещества при минимально возможных затратах труда и средств, наиболее полное использование агроклиматических ресурсов и получение пастбищного корма для осеннего и зимнего использования, проведена оценка продуктивности, питательной ценности полыни эстрагонной в зависимости от технологических приёмов возделывания и года жизни травостоя. В проведённых исследованиях получены положительные результаты, играющие важную роль в обеспечении животных пастбищными кормами, особенно в зимнее время, из которых наиболее ценными являются полыни белая, чёрная, солончаковая и эстрагонная. Эффективным способом выращивания эстрагона является его размножение черенками диаметром 1,0 см, имеющими две-три почки и обработанными перед посадкойкой БАВ «Дипрол» (50 г/л) с экспозицией 2 ч. Сорт полыни эстрагонной Нарн характеризуется высокой засухо- и жаростойкостью, продолжительностью произрастания, эффективно использует тепловые и водные ресурсы, обеспечивая высокую урожайность зелёной массы (3,81 т/га) с содержанием 1,57 т абсолютно сухого вещества, 14,4 ГДж обменной энергии и 164 кг сырого протеина.
Investigations took place in 1990–2007 in dry-steppe and semidesert of the north-western Caspian Sea region. Artemisia spp. were tested for forage production; A. absinthium, A. pauciflora, A. halodendron and A. dracunculus being of the highest value. For the first time research crew developed tarragon cultivation technology for these zones as well as recommendations on planting material, methods of primary tillage, seeding time and techniques. Polyacrylamide (hydrogel) improved tarragon water regime and provided 2.5–3.0 t ha-1 of absolute dry matter under minimum costs. Tarragon productivity and nutritional value were evaluated as influenced by cultivation techniques and plant life cycle. Positive results obtained played an important role in field forage production, particularly for the winter period. Propagation by cuttings is widely used in tarragon cultivation. Cuttings treated by “Diprol” (biologically active substance) for 2 hours before seeding had diameters of 1.0 cm and two-three buds. Tarragon “Narn” had high drought-resistance and long growing season. It used effectively warmth and water resources producing high yield of green mass (3.81 t ha-1) that contained 1.57 t of absolute dry matter, 14.4 GJ of exchange energy and 164 kg of crude protein.
DAMPAK PANDEMI COVID 19 TERHADAP PROSES PEMBELAJARAN PADA PESERTA DIDIK SMA BINA UTAMA
Authors: Arjunanata Vito , Kardi Kardi , Pratama Hendi , Kurniawan Syafarani 
Published: October 2022

Pembelajaran pada hakikatnya adalah suatu proses, yaitu proses mengatur, mengorganisasi lingkungan yang ada di sekitar peserta didik sehingga dapat menumbuhkan dan mendorong peserta didik melakukan proses belajar. Pembelajaran juga dikatakan sebagai proses memberikan bimbingan atau bantuan kepada peserta didik dalam melakukan proses belajar. Semenjak pandemi berlangsung membuat proses pembelajaran mengalami beberapa perubahan yang dimana biasanya tatap muka sekarang belajar dirumah. Setelah penurunan pandemic dikeluarkan kebijakan baru dalam pendidikan dari pemerintah yaitu memperbolehkan dilakukan proses pembelajaran tatap muka kembali. Salah satu sekolah yang melakukan pembelajaran tatap muka yaitu SMA Bina Utama Pontianak,serta sekolah ini merupakan tempat penelitian kami. Selain itu, jenis penelitian kami gunakan yaitu penelitian kualitatif yang dengan penelitian ini menggunakan teknik pengumpulan data yaitu dokumentasi,wawancara dan dokumentasi. Dari penelitian ini kami bertujuan untuk mengetahui dampak proses perubahan yang dialami siswa selama daring dan luring terhadap pandemi,proses praktik pembelajaran daring ke luring serta dampak pembelajaran daring keluring terhadap pandemi covid.Kata kunci: Perubahan,Covid,Pembelajaran
A Review on Biosurfactants
Authors: Jaysree R C  , Rajendran N  
Published: October 2022

Biosurfactants are produced by different microorganisms like bacteria, algae, fungi on to the cell surface. They are amphipathic in nature which helps them to aggregate at the interfaces, thereby reducing the surface tension. They are characterized by the molecular weight into two i.e. low molecular and high molecular. According to the different biomolecule such as protein, carbohydrate moiety attached, they have distinct and different structures which provide them different functions and applications in different fields. In this present review, the relationship among microorganism, biosurfactant and hydrocarbon has been described and the different applications in various industries have also been explained.
PERAN AGAMA TERHADAP ARSITEKTUR DESA KATOLIK PALASARI DAN DESA KRISTEN BLIMBINGSARI
Authors: Geovano Samuel , Pujianto Franseno 
Published: October 2022

Abstrak - Dalam buku Architecture and Order, (Pearson, 1993) menjelaskan hubungan Arsitektur dan budaya, menggunakan istilah ruang sosial, yang merupakan suatu ruang yang terbentuk dari masyarakat melalui kebiasaan, budaya dan kepercayaan sekumpulan orang. Ruang sosial dapat juga diterjemahkan sebagai ruang yang tercipta dari akumulasi persepsi dan kepercayaan kelompok pada suatu ruang. Ruang sosial terbentuk dari relasi objek-objek di dalam ruang yang secara umum memfasilitasi dan mendukung aktivitas dari sekumpulan orang. Maka ruang sosial yang terbentuk sudah seharusnya dapat mengakomodasi kebutuhan aktivitas dan sesuai dengan identitas masyarakat yang mendiaminya.
Pada Kabupaten Jembrana terdapat dua desa dengan kebudayaan yang unik yaitu Desa Palasari dan Desa Blimbingsari. Desa Palasari merupakan dusun dengan penduduk asli Bali yang memeluk agama Katolik, sedangkan Desa Blimbingsari merupakan desa dengan penduduk homogen Bali yang menganut agama Kristen. Sejak awal didirikan, kedua desa dirancang dengan nilai kepercayaan dan agama, Desa Palasari didirikan dengan “Model Dorf” yaitu Desa Katolik yang berwajah dan bernuansa Bali, sedangkan Desa Blimbingsari dirancang untuk menjadi desa Kristen. Hal ini menyebabkan terbentuk aktivitas sosial, budaya dan religi yang unik pada kedua desa ini. Seiring dengan berjalannya waktu, kedua desa berkembang menjadi desa wisata dengan daya tarik utama wisata ziarah.
Penelitian ini bertujuan untuk mengetahui peran agama terhadap arsitektur Desa Katolik Palasari dan Desa Kristen Blimbingsari. Hal ini menarik untuk diteliti sebab penelitian-penelitian yang sudah dilakukan mengenai kedua desa, belum ada yang membahas mengenai peran agama terhadap arsitektur kedua desa. Pengumpulan data dalam penelitian ini dilakukan dengan cara observasi , wawancara, dokumentasi dan studi literatur. Data yang dikumpulkan kemudian dikelompokan menjadi data morfologi dan topologi yang kemudian akan dianalisis dengan teori (Pearson, 1993) mengenai pengaruh agama terhadap arsitektur. Metode yang digunakan adalah deskriptif kualitatif dengan cara mendeskripsikan keadaan eksisting kedua desa dan mengungkap hubungan nilai kepercayaan dan religi dengan arsitektur kedua desa. Berdasarkan analisis tersebut, kedua desa akan di komparasi dan ditarik kesimpulan. Diperoleh kesimpulan bahwa arsitektur Desa Palasari dan Blimbingsari dipengaruhi oleh peran agama dari masing-masing penduduk desa akibat dari aplikasi nilai kepercayaan & agama secara konservatif, aktivitas keagamaan & ritual, serta faktor etnis, kelompok & tatanan sosial yang dimiliki oleh penduduk kedua desa.

Kata Kunci: nilai kepercayaan, agama, Desa Palasari, Desa Blimbingsari