bluuebunny/crossref_metadata_2025 huggingface dataset:
Self-hydrogen Supplied Catalytic Fractionation of Raw Biomass into Lignin-derived Phenolic Monomers and Cellulose-rich Pulps
Authors: Zhou Hao , Liu Xiaohui , Guo Yong , Wang Yanqin
Published: March 2023

Lignocellulosic biomass is one of the most well-studied and promising green carbon sources. Fullest utilization of lignocellulosic biomass in hydrogen-free and mild conditions to produce phenolic monomers while preserving cellulose-rich pulps is challenging and has far-reaching significance. Here, we report an innovative strategy to convert lignocellulosic biomass into lignin oils and cellulose-rich pulps without exogenous hydrogen under mild conditions over Pt/NiAl2O4 catalyst. In this process, the structural hydrogens in hemicellulose are acted as hydrogen source to realize the fractionation and depolymerization of lignin into phenolic monomers while keeping cellulose intact, which is named self-hydrogen supplied catalytic fractionation (SCF). By using water as solvent, theoretical yield of phenolic monomers (46.6 wt%, with propyl(ethyl) end-chained syringol and guaiacol as main products) is achieved at 140 oC for 24 h, with 90 % cellulose intact in birch sawdust. This H2-free process can be extended to other biomass (hardwood, softwood and grass) and can be scaled up. The Pt/NiAl2O4 catalyst also shows good stability in recycling as well as a regeneration treatment. This work provides a new strategy to achieve high utilization of lignocellulosic biomass for sustainable biorefinery by using water as solvent without exogenous hydrogen under mild conditions.
Expanding Lignin Thermal Property Space by Fractionation and Covalent Modification
Authors: Riddell Luke , Enthoven Floris , Lindner Jean-Pierre , Meirer Florian , Bruijnincx Pieter
Published: March 2023

To fully exploit kraft lignin’s potential in material applications, we need to achieve tight control over those key physicochemical lignin parameters that ultimately determine, and serve as proxy for, the properties of lignin-derived materials. Here, we show that fractionation combined with systematic (incremental) modification provides a powerful strategy to expand and controllably tailor lignin property space. In particular, the glass transition temperature (Tg) of a typical kraft lignin could be tuned over a remarkable and unprecedented 213 oC. Remarkably, for all fractions the Tg proved to be highly linearly correlated with the degree of derivatisation by allylation, offering such tight control over the Tg of the lignin and ultimately the ability to ‘dial-in’ this key property. Importantly, such control over this proxy parameter indeed translated well to lignin-based thiol-ene thermosetting films, which Tg ‘s thus covered a range from 2 - 124 oC. This proof of concept suggests this approach to be a powerful and generalisable one, allowing a biorefinery or downstream operation to consciously and reliably tailor lignins to predictable specifications which fit their desired application.
Impact of residence time distributions in reacting magnesium packed-beds on Grignard reagent formation – Pump-induced flow behaviour in non-reacting magnesium beds (part 1)
Authors: Deitmann Eva , Maskos Michael , Menges-Flanagan Gabriele , Ziegenbalg Dirk
Published: March 2023

Grignard reagent formation in continuously operated magnesium packed-bed reactors can be influenced by finetuning the residence time distribution within the magnesium packing. By decreasing the magnesium turning size and increasing the packing density, more narrow residence time distributions and therefore improved Bodenstein numbers can be obtained. The utilized pump system and its induced flow behaviour also havean impact on the residence time distributions in packed-bed reactors. By using oscillatory flow rates instead of pulsation-free pumps, Bodenstein numbers within a magnesium filled reactor cartridge can be increased by 25 % for fine magnesium turnings and by 70 % for coarse magnesium turnings, resulting in minimized backmixing and approaching plug flow behaviour.
Hydride-free Hydrogenation: Unraveling the Mechanism of Electrocatalytic Alkyne Semihydrogenation by Nickel-Bipyridine Complexes
Authors: Durin Gabriel , Lee Mi-Young , Weyhermueller Thomas , KAEFFER Nicolas , Leitner Walter
Published: March 2023

Hydrogenation reactions of carbon-carbon unsaturated bonds are central in synthetic chemistry. Efficient catalysis of these reactions classically recourses to heterogeneous or homogeneous transition-metal species. Whether thermal or electrochemical, C–C multiple bond catalytic hydrogenation commonly involves metal hydrides as key intermediates. Here, we report that the electrocatalytic semihydrogenation of alkynes by molecular Ni complexes proceeds without the mediation of a hydride intermediate. Through a combined experimental and theoretical investigation, we disclose a mechanism that primarily involves a nickelacyclopropene resting state upon alkyne binding to a low-valent Ni(0) species. A following sequence of protonation and electron transfer steps via Ni(II) and Ni(I)-vinyl intermediates then leads to olefin release in an overall ECEC pattern as the most favored pathway. Our results also evidence that pathways involving hydride intermediates are strongly disfavored, which in turns promotes high semihydrogenation selectivity by avoiding competing hydrogen evolution. While bypassing catalytically competent hydrides, this type of mechanism still retains inner-metal-sphere characteristics with the formation of organometallic intermediates, often essential to control regio- or stereo-selectivity. We think that this approach to electrocatalytic reductions of unsaturated organic groups can open new paradigms for hydrogenation or hydroelementation reactions.
Symptoms and clinic of postmenopausal vulvovaginal atrophy in different stages of postmenopause: A cross sectional study
Authors: Ziganshina Liana Z. , Muslimova Sofia Yu. , Sakhautdinova Indira V. , Zulkarneeva Elmira M.
Published: March 2023

Hypoestrogenism associated with menopause has a strong negative effect on the condition of the vagina and urinary tract, and often leads to the development of genitourinary menopausal syndrome, significantly disrupting the quality of life of women. Menopausal vulvovaginal atrophy is diagnosed in 36 to 90% of peri- and postmenopausal women. In recent years, it has been revealed that this condition is also present in 19% of women aged 4045 years during premenopause.
Aim. The aim of the study was to study the relationship between the dynamics of the severity of symptoms and their impact on the quality of life of women, and the clinical manifestations of postmenopausal atrophic vaginitis, depending on the stage of postmenopause.
Results. Patients in the early postmenopausal period had a vaginal health index consistent with moderate atrophy. Throughout the postmenopausal period studied, clinical manifestations of vaginal atrophy progressed, and in the late menopausal period, the vaginal health index was consistent with severe atrophy.
Conclusion. In our opinion the therapy of vulvovaginal atrophy should begin with the period of early menopause. At this time, women are most interested in treatment, as their quality of life suffers significantly due to the newly appeared extremely unpleasant sensations. At the same time, minor atrophic changes in the tissues of the vagina and vulva are easier to treat.
Molecular genotyping of sweet potato (Ipomoea batatas L. Lam) accessions using microsatellites
Authors: Keyagha E. R. , Ulasi J. I. , Umeh O. A. , Kahya S. Shuaibu
Published: March 2023

The experiment was conducted to ascertain the level of genetic diversity in sweet potato accessions using microsatellites. Thirty sweet potato accessions obtained from the International Potato Center (CIP), Kumasi, Ghana, Mozambique, and local germplasm of the National Root Crops Research Institute (NRCRI), Umudike, Abia State, Nigeria, as well as sweet potato vines from local farmers' fields in Jos, Plateau State, and Bauchi State, Nigeria, were analyzed for genetic diversity using five microsatellite markers. The results showed that the polymorphic SSR loci revealed diverse relationship among the sweet potato cultivars, which was grouped into four major clusters by unweighted pair group method analysis (UPGMA) method. Cluster analysis showed a Jaccard co-efficient ranging from 0.0 to 3.0 indicating high genetic diversity. The primers detected a total of 18 alleles and the number of alleles per locus was 4 for IBR-19, IBR-286, IBR-297 and 3 for IBR-16 and IBR-242 with an average of 3.67 alleles per locus. The polymorphic information content (PIC) of the markers varied from 0.35 to 0.72 with an average of 0.497. Marker IBR-19 revealed the highest PIC of 0.72, while marker IBR-297 had the lowest PIC of 0.35. Observed heterozygosity ranged from 0.32 to 0.89 with a mean of 0.675 across the five SSR loci. The results from the Analysis of molecular variance (AMOVA) which was used to quantify the diversity level and genetic relationship among the thirty sweet potato accessions indicated that a high diversity was mostly distributed within the populations for sweet potato accessions (75.12%) and (15.67%) among the populations.
Spot blotch disease resistance and heat stress tolerance in spring wheat (Triticum aestivum L.)
Authors: Basnet Roshan , Aryal Laxman , Bastola Biswash Raj
Published: March 2023

Spot blotch caused by Bipolaris sorokiniana is a major disease of wheat in warm and humid regions of Nepal. The fungus has a worldwide distribution but as a pathogen, it is the most aggressive under the conditions of high relative humidity and temperature associated with the low fertility of soils in Nepal. The yield loss due to the disease is very significant in Nepal. This experiment was conducted to identify the genotypes having a good level of resistance against spot blotch. Canopy temperature measurements using infrared thermometry, to assess variation in foliar blight resistance along with heat tolerance as an integrative selection criterion. The experiment set was comprising 52 genotypes and arranged in alpha lattice design with two replications in 2017/-2018 Directorate of agricultural research center, Parwanipur, Bara, Nepal. Each plot size was 8 rows of 3 meters long. Three times disease scoring was done in Flag leaf, and Penultimate leaf method and calculated the Area under the disease progress curve (AUDPC). Other data were analyzed by using R software (4.2.2). Canopy temperature, heading days, days to maturity, plant height, number of grains per spike (NGPS), number of tillers per meter square (NTPM), thousand-grain weight (TGW), and grain yield were found highly significant. The genotype 32 was found the highest yielder (5141 kg/ha) and canopy temperature 16.50 C with a 279; 610 F; F-1AUDPC, respectively.
Blast resistance (Pi54) introgression in temperate rice (Oryza sativa L.) K343 using marker assisted backcrossing
Authors: Hangloo Sharmishta , Mahdi Gazi Muhammad Abdullah , Sharma Manmohan , Salgotra Romesh Kumar , Sharma Deepika , Bhat Rohini
Published: March 2023

In hill rice ecologies, Magnaporthe oryzae causes rice blasts and a significant biotic constraint. The study was aimed to develop rice blast-resistant lines/varieties through marker-assisted selection (MAS) by using the Pi54 gene, which provides resistance against the most prominent blast fungus isolate (PLP-1). The blast resistance gene Pi54 from the indica rice genotype DHMAS has been inserted into the genetic makeup of the temperate rice variety K343 in the current study. Three SSR markers (TRS26, TRS33, and RM206) are closely linked to the Pi54 locus used in this study. Marker RM206, located 0.7cM from the Pi54 gene, distinguished between donor and recipient alleles and co-segregated with the target gene. Thus, RM206 is used for Pi54 gene foreground selection. Sixty-one plants have the homozygous allele for the Pi54 in BC1F2, accounting for roughly 50% of the homozygous population. Polymorphic genome-wide SSR assessment of the BC1F2 genetic stock (K343*2/DHMAS) revealed recurrent parent genome (RPG) recovery above 75% in 4 plants. Therefore, M. oryzae race PLP-1, the dominant race used in this study, showed high resistance to the resistant response after inoculation.
Sosialisasi TOEFL Trick untuk Meningkatkan Kemampuan Guru dalam Menghadapi TOEFL
Authors: Candra Eva Nurul , Martiarini Elyza , Lestari Asti Ramadhani Endah
Published: March 2023

TOEFL merupakan suatu tes yang dapat mengukur kemampuan seseorang mengenai penguasaan Bahasa Inggris. Sejalan dengan perkembangan jaman tes sejenis ini sekarang merupakan syarat mutlak yang harus dilewati seseorang dalam berbagai sektor tidak hanya dalam sektor Pendidikan saja. Karena dari tes tersebut dapat diukur mengenai kemampuan seseorang dalam hal penguasaan bahasa asing khususnya Bahasa Inggris. Sejalan dengan hal tersebut, sering kali orang yang tidak berkecimpung dalam dunia Pendidikan Bahasa mengalami kesulitan-kesulitan Ketika mereka dihadapi dengan serangkaian TOEFL. Oleh sebab itu, solusi yang tepat untuk mengatasi permasalahan tersebut adalah dengan pengabdian kepada amsyarakat berupa sosialisasi yang berjudul “ sosialisasi TOEFL TRICK kepada para guru SMP.
Inovasi Program Bank Sampah Hasil Makmur Jaya Karangtempel Melalui Pengolahan Sampah Plastik sebagai Proses Community Based Participation
Authors: Ulfah Maria , Widodo Suwarno , Cholifah Nur , Patonah Siti
Published: March 2023

Pengelolaan sampah plastik di masyarakat Karangtempel Semarang Timur saat ini masih didominasi dengan sistem dropping point di Bank Sampah, sampah plastik dikumpulkan terlebih dahulu dan dijual tanpa ada pengolahan. Namun, sampah plastik yang terkumpul hanya dibiarkan saja menumpuk dan langsung dijual, belum ada usaha untuk pengolahan sampah plastik disebabkan karena pemahaman, pengetahuan, kesadaran dan keterampilan masyarakat Karangtempel dalam pengolahan sampah plastik masih kurang. Pendekatan yang dilakukan dalam kegiatan PKM di Bank Sampah melalui pemberdayaan masyarakat melalui proses Community Based Participation. Dalam kegiatan PKM pada Bank Sampah dalam program pemberdayaan masyarakat yaitu peningkatan pengetahuan, pemahaman dan keterampilan dengan pemberian materi dan pelatihan keterampilan pengolahan sampah plastik. Hasil kegiatan PKM secara kualitas, pengelola Bank Sampah telah mempunyai strategi pengelolaan dan pengolahan sampah plastik menjadi ecobricks dan kerajinan yang dapat dimanfaatkan kembali dan mempunyai daya tawar tinggi. Kegiatan PKM pemberdayaan masyarakat yang terdiri atas kegiatan Pembinaan SDM, Pembinaan Usaha, Pembinaan Lingkungan dan Pembinaan Kelembagaan menghasilkan peningkatan pengetahuan, pemahaman, kesadaran peduli lingkungan dan keterampilan pengelola Bank Sampah dan masyarakat Karangtempel.
Pengembangan Peningkatan Produktivitas dan Pemasaran UKM Abon Telur sebagai Oleh-Oleh Khas Malino di Desa Lonjoboko Kecamatan Parangloe Kabupaten Gowa
Authors: Purnawansyah Purnawansyah , Indra Dolly , Hayati Lilis Nur , Aji Fery Setyo , Anugrah Rezky
Published: March 2023

Tujuan program pengabdian yang kami lakukan yaitu memberikan penyuluhan, dan simulasi tentang pemasaran produk, memberikan pelatihan bagi mitra desa Lonjoboko tentang kewirausahaan dalam memasarkan produk berbasis online dan mendesain kemasan yang menarik dan praktis. Metode dalam pelaksanaaan kegiatan ini adalah memfasilitasi dengan penyuluhan, simulasi dan pelatihan bagi para UKM dengan mewujudkan masyarakat sejahtera dan pandai dalam memasarkan produk dengan layanan sistem informasi berbasis online di desa Lonjoboko Kabupaten Gowa dalam bentuk pelatihan. Luarannya Mitra mendapatkan modul pelatihan manajemen kewirausahaan berbasis online untuk memasarkan produknya, mitra mampu mandiri dalam mengimplementasikan dan terampil dalam pemasaran produk, Software Aplikasi Web Sistem Informasi pemasaran produk.
Edukasi Sejarah Publik Melalui Media Sosial pada Era 4.0 bagi Siswa SMA di Yogyakarta
Authors: Kurniawan Hendra , Damaringtyas Christophorus Putro , Leryan Lucius Pravasta Alver , Melati Maria Nikkita Mega , Nugraha Agustinus Christian , Christiyanto Nicholas Adven
Published: March 2023

Seiring perkembangan teknologi informasi dan komunikasi diperlukan edukasi dan pendampingan agar tidak terjadi kesesatan sejarah berupa pemanfaatan informasi yang tidak sesuai fakta sejarah, sarat hoax, dan tidak dapat dipertanggungjawabkan. Untuk itu, program edukasi sejarah publik penting diberikan pada siswa SMA di Yogyakarta. Tujuannya mengenalkan sejarah publik dalam platform digital di media sosial dan membantu siswa dalam memanfaatkannya secara kritis, literat, dan bermakna dalam pembelajaran sejarah di sekolah. Untuk menumbuhkan kreativitas siswa juga dikenalkan keterampilan membuat konten digital sejarah yang dapat dipublikasikan di media sosial Instagram. Hasilnya para siswa sangat antusias terlibat dalam program penyuluhan ini. Para siswa mengaku bertambah wawasan dan pengetahuannya seputar Sejarah Publik di media sosial yang diwujudkan dalam rencana tindak lanjut dengan dibentuknya Komunitas Digital Pendidikan Sejarah Publik dalam platform Instagram.
Interest in Students' Entrepreneurship Building Engineering Education Program
Authors: Luthan Putri Lynna Adelinna , Sitanggang Nathanael , Sibarani Choms Gary Ganda Tua
Published: March 2023

The purpose of this study to determine the interest in entrepreneurship and factors inhibiting entrepreneurship for students. The study was conducted on Education courses State University Of Medan Building Engineering, Faculty of Engineering in 2019. The research method is a method of ex post facto. The sampling technique is purposive random sampling and using Taro Yamane formula. Sample of 118 students who have attended entrepreneurship courses. The instrument used was a closed questionnaire Likert scale with a reliability coefficient of 0.90 and for the deepening of the data used an open questionnaire. The data analysis technique used descriptive statistics. Results found is the tendency of student interest in entrepreneurship Building Engineering Education courses classified as high category (66%), and 2.54% of the students have entrepreneurship. The high interest in entrepreneurship students also reflected on the desire of students to start college entrepreneurship (20.34%). Nevertheless, interest in entrepreneurship students of Building Engineering Education will remain a concern professors and functionaries in the Faculty of Engineering make efforts to increase student interest in entrepreneurship because there is still a 34% student interest in entrepreneurship classified as a low category. The results of this study are very beneficial to universities and professors to improve the quality of teaching entrepreneurship courses.
Simulasi Pendidikan Tanggap Bencana pada Anak-Anak di Panti Asuhan Harapan Mulia
Authors: Nurisusilawati Isnaini , Rachmawaty Dina
Published: March 2023

Kabupaten Banyumas termasuk salah satu daerah di Indonesia dengan potensi bencana yang cukup besar. Kelompok masyarakat yang paling rentan menjadi korban bencana adalah anak-anak. Sehingga diperlukan sebuah kegiatan khusus untuk memberikan pengetahuan pada anak-anak mengenai jenis-jenis bencana yang berpotensi terjadi di Indonesia, sebab dan cirinya, serta langkah-langkah yang harus dilakukan sebelum, saat, dan setelah bencana. Peserta pengabdian masyarakat Pendidikan Tanggap Bencana ini adalah anak-anak di Panti Asuhan Harapan Mulia Purwokerto. Pengajaran pada anak-anak membutuhkan sebuah metode yang kreatif agar anak-anak tidak bosan dalam menyerap materi sekaligus mampu menangkap isi yang disampaikan. Maka, pengabdian masyarakat ini menggunakan metode simulasi permainan untuk mengenalkan macam-macam bencana dan langkah kesiapsiagaannya. Berdasarkan hasil survei lewat kuesioner yang disebarkan kepada peserta, didapatkan hasil bahwa secara keseluruhan peserta merasa puas terhadap kegiatan pengabdian yang sudah diberikan. Hasil dari pengabdian ini adalah tertanamnya sebuah kesadaran tentang potensi bencana di Indonesia yang dapat terjadi sewaktu-waktu dan mengetahui langkah-langkah yang harus dilakukan ketika terjadi bencana.
Pelatihan Pengelolaan Learning Management System di SDN 012 Balikpapan Utara dalam Meningkatkan Kualitas Pembelajaran di Era Covid-19
Authors: Septiana Atut Reni , Shoodiqin Dian Mart , Mayantasari Menasita , Saputra Yohanes Dwi , Rahmania Rahmania
Published: March 2023

SDN 012 Balikpapan Utara terletak di Jalan Giri Mulyo KM 14 RT 22 Kelurahan Karang Joang, Balikpapan Utara. Program pengabdian kepada masyarakat ini dilandasi oleh permasalahan yang terjadi di pihak mitra yaitu SDN 012 Balikpapan Utara. Adanya pandemi covid-19 mengharuskan para siswa belajar dari rumah. Di sisi lain, para guru di SDN 012 Balikpapan Utara menghadapi beberapa tantangan mengenai pembelajaran daring. Mereka belum menguasai penggunaan learning management system dalam pembelajaran daring. Sebelumnya mereka terbiasa menggunakan Whatsapp sebagai media pembelajaran online, namun saat ini Whatsapp tidak bisa digunakan sebagai satu-satunya media pembelajaran daring. Untuk mengatasi permasalahan tersebut, kami mengenalkan dan melakukan pelatihan penggunaan aplikasi atau teknologi yang mendukung pembelajaran daring. Media yang digunakan dalam hal ini adalah google classroom, google form dan google meet. Pada kegiatan ini, kami juga melakukan klinik privat pelatihan bagi para guru yang ingin mempelajari materi pelatihan lebih dalam. Pelatihan ini melibatkan 11 guru sebagai peserta dan 5 pemateri dari dosen yang dibantu oleh 6 mahasiswa. Dari hasil survey yang sudah dilakukan, semua guru merasakan banyak manfaat dengan adanya kegiatan ini. Pengetahuan mereka tentang learning management system untuk pembelajaran daring pun meningkat. Para guru pun dapat melakukan pembelajaran dengan lebih baik dan mudah.
Pelatihan Metode Pembelajaran Menyenangkan Berbasis Integrated Joyful Religious Learning dengan Menggunakan Quizziz
Authors: Maisyaroh Maisyaroh , Juharyanto Juharyanto , Mustiningsih Mustiningsih , Adha Maulana Amirul , Saputra Bagus Rachmad
Published: March 2023

Kegiatan penulisan artikel ini bertujuan untuk memaparkan kegiatan pengabdian masyarakat dalam bentuk kegiatan pelatihan metode pembelajaran menyenangkan berbasis integrated joyful religious learning dengan menggunakan aplikasi Quizziz bagi guru-guru dalam melaksanakan pembelajaran jarak jauh. Pelatihan ini sebagai solusi dalam memecahkan permasalahan pembelajaran yang kurang menyenangkan dan terkesan monoton selama masa pembelajaran jarak jauh seperti saat ini dengan tidak meninggalkan ciri khas madrasah yakni pembelajaran berbasis nilai-nilai keagamaan. Kegiatan pelatihan dilaksanakan di MI Ihyaul Ulum Sooko Kabupaten Mojokerto yang diikuti oleh kepala sekolah dan juga guru-guru. Kegiatan dilakukan dengan metode ceramah pemaparan metode pembelajaran yang menyenangkan, diskusi, tanya jawab terkait dengan permasalahan yang dihadapi oleh guru di madrasah, dan pendampingan praktek langsung membuat kuis melalui aplikasi Quizziz. Selama kegiatan berlangsung peserta pelatihan terlihat aktif mengikuti pemaparan materi pelatihan. Hasil dari kegiatan pengabdian tersebut yakni guru mampu membuat kuis melalui aplikasi Quizziz, guru antusias mengikuti pelatihan lanjutan, dan guru aktif berkomunikasi secara mandiri dengan tim pengabdian perihal pemanfaatan aplikasi Quizziz.
Pemberdayaan Perempuan Melalui Kerajinan Decoupage sebagai Pembekalan untuk Bisnis Kelompok dan Meningkatkan Kesejahteraan Keluarga
Authors: Ajisuksmo Clara R P , Heni Anastasi
Published: March 2023

Pada tahun 2018 Pusat Kajian Pembangunan Masyarakat (PKPM) Unika Atma Jaya bekerjasama dengan Yayasan Gugah Nurani Indonesia (GNI) melakukan asesmen bisnis prospektif dan potensial yang dapat dikembangkan secara berkelompok di tiga daerah di Jakarta yaitu Menteng Tenggulun, Cakung Timur dan Rawa Badak Selatan. Salah satu rekomendasi dari asesmen tersebut adalah memberikan keterampilan yang dibutuhkan oleh calon pelaku usaha untuk menghasilkan suatu produk atau jasa yang dapat dikembangkan. Terkait dengan hal tersebut, maka dilakukan pelatihan membuat kerajinan decoupage, yang dipandang sebagai produk yang memiliki nilai jual tinggi dan dapat dijalankan sebagai bisnis kelompok yang potensial untuk meningkatkan perekonomian dan kesejahteraan keluarga. Kegiatan ini dilaksanakan di RW 01 Kelurahan Rawa Badak Selatan, Jakarta Utara.  Kegiatan ini diikuti oleh 34 orang ibu anggota PKK RW 01 dan RW 02 Kelurahan Rawa Badak Selatan. Kegiatan bertujuan untuk memberikan para ibu dengan keterampilan membuat kerajinan decoupage sebagai modal untuk memulai bisnis kelompok.
Desain Jembatan Cable-Stayed dengan Sistem Single Plane di Jalan Tol Pandaan-Malang
Authors: Hapsari Roro , Bramantoro Dionisius Tripriyo Arry , Yuliati Ninik Catur Endah
Published: March 2023

Cable-stayed bridge known as cost-effective, long span,  breathtaking bridge. This study aims to design girder, cable,  pylon, and anchorage. The bridge is located at Exit Toll Malang  on Pandaan-Malang Toll Road. This design is using ultimate  design method. The bridge is 155 m long and 20 m width. The  main grider is WF 900.300.18.34 installed in the middle. The  cross beams are WF 600.300.14.23 installed every 5m. The  stringers are WF 400.400.13.21 installed every 1,5 m. The  cables are using ASTM A416 Grade 270 with varity number  of strands start from 25–50 strands. The selected cable  configurations are modified fan pattern and single plane  system. The pylon is a single column made from reinforced  concrete with dimensions of 2.5m x 2.5m. The anchorage is  using VSL SSI 2000. Anchorage at the deck is installed above  the main girder with a 50mm steel bracket. Anchorage at the  pylon is installed within pylon.
İbrahim Re’fet’in Tarih Manzumesi Üzerine İnceleme
Authors: GİDER Mahmut , AHMAD Hemin Omar
Published: March 2023

Osmanlıda şair-sultan ilişkisi, hâmîlik kültürü çerçevesinde şekillendiği için edebî metinler doğrudan ya da yazışmalar yoluyla devlet yöneticilerine sunulur. Devlet yöneticisinin doğum yıl dönümü, evlenmesi ve cülusu gibi tebrik edilmeye şayeste bir olay yaşandığında, şairin gerek taltif görme gerekse hüner gösterme konusunda ihtiyaç duyduğu şartlar oluşur. Böylece başta kaside ve kıta olmak üzere muhtelif nazım şekillerinde dua, övgü, tebrik konulu şiirler yazılır.

Bu çalışmada, 19. yüzyıl şairlerinden İbrahim Re’fet’in II. Abdülhamid’in cülûs yıl dönümü hasebiyle yazmış olduğu tarih manzumesi incelenmiştir. Muhtelif tarihlerin ebcet yoluyla estetize edildiği bu manzume, mükerrer tarih örneğidir. İbrahim Re’fet, şairliğinin yanı sıra müverrih hassasiyetiyle hareket ederek farklı disiplinlere hitap eden bir metin kaleme almıştır. Manzumenin doğru bir biçimde anlaşılabilmesi için önce şairin hayatı, edebî yönü ve eserleri hakkında bilgi verilmiş sonra; yazılış tarihi, nedeni, şekil (beyit sayısı, vezni, kafiyesi, nazım şekli, türü) ve muhteva özellikleri anlatılmıştır.

Belge metin şeklinde hazırlanan ve makamlar arasındaki yazışmalara konu olan bu manzume, Cumhurbaşkanlığı Devlet Arşivinde BOA, İ.DH.781/63532-4.1. yer numarasıyla kayıtlıdır. Transkripsiyonlu olarak Latinize edilen ve dil içi çevirisi yapılan tarih manzumesi konulu bu çalışmayla edebiyat ve tarih disiplinlerine hitap eden yeni bir metin, ilim âleminin istifadesine sunulmuştur. Bunun yanı sıra kıta nazım şekli ve tarih türü literatürüne katkı sağlanmıştır.
Efectos del entrenamiento de la fuerza en personas con Diabetes Mellitus Tipo II: revisión sistemática
Authors: Arias Serna David , Vallejo Osorio Ayda Natalia , Vera Sagredo Angélica , Poblete-Valderrama Felipe , Monterrosa-Quintero Armando
Published: March 2023

El presente artículo busca analizar las evidencias aportadas del entrenamiento de la fuerza comprobando su influencia en la Diabetes Mellitus tipo II utilizando la literatura existente sobre este objeto de estudio. Se realizo una revisión sistemática siguiendo las directrices PRISMA donde el principal contexto fue el entrenamiento de la fuerza en pacientes con Mellitus II, siendo buscados en bases de datos Pubmed, Embase y Scopus donde fueron seleccionados 7 artículos. Los hallazgos señalan consistentemente que el entrenamiento de la fuerza bien programado incide gradualmente en algunos marcadores que identifican la diabetes Mellitus II al realizar intervenciones con sistemas de entrenamiento de la fuerza de forma positiva. Los autores recomiendan estudios con muestras mayores en lo posible de tipo control para verificar la incidencia del entrenamiento en las variables mencionadas en este estudio.
Efectos del tecnocapitalismo en educación frente a la covid-19
Authors: Cerón Orellana Kléber Santiago
Published: March 2023

El presente artículo examina las contribuciones socio-académicas que reposan en las bibliotecas del Ecuador y se orientan a referentes históricos producto del bagaje científico constituido por magnánimos eruditos que han incentivado a que las poblaciones latinoamericanas sigan contribuyendo con el fomento del capital cultural y soberanía sostenible en materia de educación a través de dicha producción científica. No obstante, en los últimos cuatro años de gobernanza (2017-21) se generaron diversos recortes a la educación y salud, principalmente, que han afectado al cuerpo social, economías comunitarias y producción investigativa en el marco de la ciudad que se disuelve con la covid-19. Esta afirmación se sustenta en la metodología aplicada en la construcción de las dimensiones espaciales-sociales-culturales, adscritas a la teoría de los tres cromosomas: modernidad-salud-educación encriptadas al sujeto-objeto-metaverso, se coloca al método de fluxiones y series infinitas, en donde se exponen las razones primeras y últimas cantidades, denominado cálculo infinitesimal, hacia la comunidad universitaria para conocer, analizar y explicar la fase de colonización tecnocapitalista (metaverso) a la cual la enseñanza, en todos sus niveles, se encuentra expuesta. Empero, con relación a los resultados, se constató que los efectos colaterales que promueve el tecnocapitalismo afecta los horizontes de enseñanza y aprendizaje estructuralmente. De ellos, más de 160 millones eran estudiantes en América Latina y el Caribe, sumándose el aumento del índice de pobreza extrema y las desigualdades estructurales, lo que ha conllevado, en la crisis ecuatoriana, a que la educación en tiempos de pandemia se vea recortada, suspendida, frente a la diversidad de consecuencias que estas medidas tendrán sobre las comunidades educativas a corto y mediano plazo.
Uso de las tecnologías de la información y la comunicación (tic) su impacto en el rendimiento académico de los estudiantes en tiempos de covid-19
Authors: Pilliza Luguaña Gisela , Parra Iñacasha Luz
Published: March 2023

Este trabajo se desarrolla para analizar el uso de las tic con el fin de determinar el rendimiento académico de los estudiantes y mejorar la práctica y comprensión de la misma. Se aplicó un enfoque cualitativo a través de un método de estudio de caso. Se realizó un grupo focal, una entrevista a profundidad y una encuesta a docentes y estudiantes de cuatro colegios públicos del cantón Quito. Los resultados de la investigación permitieron conocer cómo el uso de las tic por parte de los docentes influye en el rendimiento académico de los estudiantes. Se pudo establecer que la autoformación en el uso de las tic fue fundamental para el desarrollo de sus clases, utilizando recursos tecnológicos que inciden en el proceso de enseñanza-aprendizaje. La interacción activa entre docente y alumno y el papel de los padres en la educación de sus hijos son factores relevantes. Mientras que en el análisis del grupo focal, los docentes coincidieron en que la enseñanza virtual es difícil de aplicar ya que no está socializada. Además, la alfabetización digital debería ser un factor esencial a tener en cuenta. Por lo tanto, a través del desarrollo de esta investigación se pueden estructurar estrategias que ayuden a garantizar una buena gestión del uso de las tic por parte de los docentes y su influencia en el rendimiento académico de los estudiantes.
Educational escape room as a gamification strategy for improving oral skills in the English language
Authors: Suntaxi Llumiquinga Jonathan
Published: March 2023

Modern education tends to be more flexible and with a variety of strategies that permit learners to develop and propel their language skills. In this regard, the implementation of educational escape rooms are necessary to be accord with these days’ demands. The present study aims to identify the functionality and applicability of some games in schools and in different settings that support the improvement of the students’ communicative skills. In this way, a mixed-method with a control and experimental group that includes qualitative and quantitative data, observation and a survey permit to understand the students´ needs and their perceptions regarding the use of games to enhance their language skills. In addition, it shows the importance to relate and match accurately the language topics with specific games. The most important results show that students are eager to learn by playing and the significance of working in different environments that permit students to change their traditional learning. It is also essential to include that even though traditional games are appealing for young learners, the use of technology and internet connection turned into a powerful tool of motivation and engagement for students.

As a conclusion, it was evidenced that modifying the teaching way produces high commitment among students and their curiosity influences to develop positive interaction and communicative skills.
Prácticas educativas innovadoras y efectivas para mejorar el proceso de enseñanza-aprendizaje
Authors: LEON PAZMIÑO ANA MARIA
Published: March 2023

El presente estudio analiza las prácticas educativas innovadoras y efectivas para mejorar el proceso de enseñanza-aprendizaje. Para ello, se utiliza como metodología el enfoque cualitativo, conforme el uso del nivel de investigación descriptivo, donde se toma en cuenta la revisión bibliográfica de libros, artículos científicos y documentos relacionados a las experiencias sobre las prácticas educativas innovadoras en países como Colombia, Guatemala, Brasil, Ecuador y Argentina. Los principales resultados determinaron que alrededor de las prácticas educativas innovadoras existe variada literatura que dan cuenta del interés por aportar a mejorar el sistema educativo, con enfoque principal de apoyo basado en la tecnología, pero anclado a la didáctica como recurso complementario. Además, las propuestas centraron su aporte hacia distintas ramas del conocimiento como la matemática e inglés, pero también a reducir problemáticas sociales como el analfabetismo con el uso de programas innovadores concentrados en el trabajo colaborativo y la atención personalizada en el proceso de enseñanza-aprendizaje. Se concluye, de este modo, que la efectividad de las prácticas educativas está dada sobre la base del fomento de una cultura digital y de innovación con docentes capacitados en competencias tecnológicas, y especialmente basado en la necesidad de un cambio estructural enfocado en la innovación dentro del sistema educativo.
lectura por placer en la comprensión lectora de los estudiantes de efl
Authors: Santos Mera Lisbeth , Chancay Cedeño Carlos
Published: March 2023

Esta investigación aborda el desarrollo de habilidades lectoras en inglés como lengua extranjera, fortaleciendo aspectos motivacionales en estudiantes con rezago escolar. La lectura es el principal instrumento en el proceso de enseñanza-aprendizaje porque interviene en el progreso cognitivo de los estudiantes. La importancia de desarrollar la competencia lectora en inglés también se relaciona con la lengua materna para que sea un complemento en el mejoramiento integral. Se concluyó que el desarrollo de la destreza lectora en la población estudiada, en este caso, los y las estudiantes del segundo y tercer año de bachillerato del colegio Simón Bolívar en la ciudad de Portoviejo, es bajo y existen pocas metodologías aplicadas por los docentes que no permiten alcanzar la comprensión lectora requerida y a través de una propuesta se pretende ayudar a los estudiantes a adquirir nuevos vocabularios y estructuras cortas en inglés, por lo que se familiarizarán con la lectura y luego con la escritura, también aprenderán a trabajar mediante juegos en grupo y a inventar pequeñas historias con su propio esfuerzo. Para tener un aprendizaje significativo, el docente debe utilizar la planificación propuesta; estructurarlo de antemano y considerar los aspectos que contribuyen al aumento de la inteligencia lingüística.
Consecuencias en la salud mental debido a la educación virtual en la pandemia Covid-19 en los estudiantes de primer nivel de las carreras de Administración de Empresas y Mercadotecnia de una universidad pública, Ecuador 2021
Authors: Quishpe Licy , Alban Shelagh , Baldassari Andrés
Published: March 2023

La investigación se desarrolló en la Universidad de las Fuerzas Armadas Espe con alumnos del primer semestre de las carreras de Administración de Empresas y Mercadotecnia. Tuvo como finalidad analizar y entender las consecuencias en la salud mental de los estudiantes a causa de la educación virtual durante el confinamiento masivo incitado por el Covid-19. Se utilizó una metodología cuantitativa con una muestra de 129 estudiantes a los cuales se les aplicó una encuesta enfocada en precisar datos específicos de seis aspectos determinados.  Los resultados indican que un poco más de la mitad de los estudiantes con un 53,33% presentan síntomas moderados de ansiedad, estrés y problemas para dormir. Por lo tanto, se concluyó que el rendimiento académico de los estudiantes encuestados se vio afectado por este tipo de síntomas. También se concluyó que los estudiantes presentaron este tipo de episodios puede ser debido a que los estudiantes no se encuentran habituados a su vida universitaria pues es su primer semestre.
Use of padlet for the implementation of the writing process
Authors: Moreira Olives Helen , Álvarez Llerena Carlos
Published: March 2023

This research project intended to enhance the writing abilities of English language learners by the implementation of the writing process through the collaborative use of the technological tool Padlet. The intervention included five weeks of instruction on the various writing phases. The study's participants included forty high school students. They struggled to write coherent, comprehensive paragraphs and had a competency level between A1 and A2. The researcher used a pretest-posttest design to evaluate the progress in the students' writing. The viewpoints of learners toward the innovation were gathered by pre- and post-survey applications. In order to determine how the students interacted and participated in the group projects' writing assignments, observation checklists were completed. The post-test scores were higher than the pre-test scores. revealing a Cohen’s d = 0.33. The findings revealed that implementing the writing the process helped learners improve the quality of their writing pieces whereas the collaborative use of Padlet contributed to increase their levels of confidence and motivation in writing activities. The study has significance for language teachers and learners because it might raise helpful insights concerning the importance of collaborating with students to follow a writing process and enhance the quality of their writing.
comprensión del alcance de las políticas educativas en el Ecuador: un análisis de su evolución histórica.
Authors: Reiban Garnica Danilo , Jiménez Quezada Fanny
Published: March 2023

La educación en el Ecuador se encuentra atravesada por procesos sociales, políticos y económicos que la vuelven compleja en su trayectoria. Por esa razón, este artículo tiene por objetivo retratar los acontecimientos de la complejidad histórica para repensar los alcances de las políticas educativas en el país. Es importante precisar que, no se pretende describir a profundidad las reformas y las políticas públicas del rango de información abordada, más bien se aportan elementos que permitan comprender la evolución histórica y la situación de la educación actual del país. Para ello, este trabajo parte de un enfoque cualitativo, por medio de la revisión de la literatura sobre los antecedentes históricos del proceso de instauración de la educación pública y los modelos de educación empleados en el Ecuador. Estos elementos son xpuestos en un breve recuento desde 1830 cuando Ecuador se convierte en un Estado autónomo. A modo de cierre, se amplía la discusión de la educación desde la comprensión instrumental que los gobiernos han impuesto a la sociedad civil y se presentan los desafíos a futuro de la educación pública.
Perceptions of peer-teaching strategy in the English major at a public university in Ecuador.
Authors: Chango Parra Lisseth Estefania , Córdova López Gabriela , González Ortiz Olga
Published: March 2023

The aim of this article is to identify the different perceptions of teachers, peer teachers and learners about the peer teaching strategy. Which in detail consists of the process in which students learn from each other, some benefits of this teaching strategy include developing students' collaboration and communication skills, building students' confidence, and the ability to take control of their own learning. Learners are more comfortable with collaborative work, working with their peers, making them able to interact, engage in reflection, and explore ideas more deeply than in a teach[1]er-tutor-led environment. This research was developed under the principles of qualitative research because it focused on recollection of the perceptions of the peer teaching strategy of the participants in the English major at a public university in Ecuador, through the application of semi-structured interviews, of the studied subjects who fulfilled the roles of the English teacher, peer teachers and peer learners, throughout the application of the teaching strategy. The analysis of the data collected was thematic, it was concluded from this that both the tutor and the students developed team spirit and more empathetic relationships; increased psychological well-being, social competence, communication skills, and self-esteem; higher performance and higher productivity in terms of better learning outcomes and English development. Overall, peer teaching had a positive impact and taking when it was aimed at students, as well as increased participation and skills of peer teachers and learners.
Peer Assessment Effect in Speaking Skills by means of CLT-Drama activities in EFL B1.2 Students
Authors: Moncayo Noroña Carmen Alicia , Coutinho dos Santos Jardel , Ramírez Rossana
Published: March 2023

This action research study aims to determine the close proximity and significance there is between peer assessment and drama, as elements that foster Speaking Skills. The dynamics of these elements generate an efficient learning process. It makes use of a careful backward design as well as Gradual Release of Responsibility-GRR considerations, and the use of CLT activities. The project was implemented within a time frame of 4 weeks,2 hours a day; a total of 40 hours were reported in this research by means of CLT-Drama activities-in EFL B1.2 Students, its impact and improvement in Speaking Skills. Drama is a unique space that promotes and sustains motivation, as it is a social learning ground naturally filled with interaction that makes transfer viable. Several assets derive from this experience creativity, tolerance, nonlinear thinking, receptivity to other’s ideas, breaking with stereotypes, helps self-esteem by resourcing to expression of feeling, and opinions. This is a pre/posttest design study with instruments to collect data for the Quantitative research question: Does peer assessment have an effect in Speaking Skills when using CLT activities in EFL B1.2 Public Tech College Students? Data collection for qualitative questions are based upon the researcher’s field notes in reply to qualitative question: How does peer assessment have an effect in Speaking Skills when using CLT activities in EFL B1.2 Public Tech College Students? Finally, an invitation to reflect on the importance of including peer assessment, drama activities and art to fulfill holistic learning in the English classroom.
The Impact of Global Climate Change on The Housing Sector
Authors: Sayın Ayşegül , Güler Ender
Published: March 2023

İklim değişikliğinin olumsuz etkilerinin ortaya çıkması yaşanacak iklim krizinin sadece ülkeler ile sınırlı kalmayacağı ve tüm dünyayı etkisi altına alacağı aşikardır. Küresel ısınma iklim değişikliğini beraberinde getirmekte ve insan
faktörü yaşanan süreçte kilit rol oynamaktadır. Atmosfere salınan sera gazının büyük bir kısmının insanlar tarafından salındığını düşünüldüğünde iklim krizinden tek çıkış yolunun yine toplum ve insan faktörü üzerinden olacağını
görmekteyiz. Her geçen gün artan dünya nüfusu, insanın temel ihtiyacı olan barınma sorununu gündeme getirmektedir. Dolayısıyla düzensiz kentleşme ve çevre sorunları doğal kaynakların ekstra kullanımı ve enerji tüketiminin de artmasına
yol açmaktadır. Bu sebep ile konutların plan aşamasından inşa aşamasına kadar yaşanacak tüm süreçlerde çevre faktörünü göz önünde bulundurmak hayati önem taşımaktadır. Bu sebep ile konutların plan aşamasından inşa aşamasına kadar
yaşanacak tüm süreçlerde çevre faktörünü göz önünde bulundurmak hayati önem taşımaktadır. Bu çalışmada toplum ve inşaat sektöründe yer alan aktörlerin iklim krizine olan yaklaşımı ve tarafların sürece uyumu hazırlanan anket yolu
ile incelenmiştir. Çıkan sonuçlara göre katılımcılar küresel iklim krizinin bilincindedir. Ancak bu küresel krizi durdurmanın yolu bireysel çalışmalardan ziyade toplumsal ve siyasi destekle mümkün olmaktadır ve anket sonuçları
bu savı destekler niteliktedir.
Kajian Teknik Pemotongan Umbi dan Penggunaan Giberelin untuk Produksi Bibit Ubi Jalar (Ipomoea batatas L.) dari Tunas Umbi
Authors: Nurhalim  , Rahayu Megayani Sri , Setiawan Asep
Published: March 2023

ABSTRAK

Stek pucuk dari hasil budidaya ubi jalar yang telah dipanen memiliki kualitas yang kurang baik apabila digunakan kembali sebagai sumber bibit. Akumulasi virus yang terjadi bisa mengakibatkan penurunan produktivias. Maka stek perlu diganti dengan sumber bibit baru dari tunas umbi. Penelitian ini bertujuan untuk memproduksi bibit ubi jalar dari hasil penunasan umbi melalui penggunaan giberelin dan metode pemotongan umbi. Penelitian menggunakan rancangan acak lengkap (RAL) dua faktorial yang dilakukan di Kebun Percobaan Cikabayan, Institut Pertanian Bogor. Hasil penelitian menunjukan bahwa tunas umbi tumbuh dari setiap pemotongan umbi (pangkal, tengah, dan ujung). Bagian pangkal umbi memiliki persentase daya tumbuh lebih tinggi dibandingkan bagian tengah dan ujung. Interaksi perlakuan konsentrasi giberelin 5 ppm dan pemotongan umbi pada bagian ujung berpengaruh nyata terhadap jumlah tunas umbi. Konsentrasi giberelin 5 ppm menghasilkan rata-rata jumlah bibit yang lebih banyak dibandingkan konsentrasi 10 ppm, 15 ppm, dan 20 ppm, namun tidak berbeda nyata hasilnya dengan kontrol. Pemotongan umbi menjadi dua atau tiga bagian lebih efektif dalam memproduksi bibit ubi jalar melalui tunas umbi dibandingkan umbi yang tidak dipotong.

Kata kunci: giberelin, stek, tunas, ubi jalar