bluuebunny/crossref_metadata_2025 huggingface dataset:
Hemifacial Spasm: History, Epidemiology, Etiology, Pathogenesis and Anatomy – Problems of the Current State (Part I)
Authors: Сидорович Р.Р. , Лихачев С.А. , Родич А.В. , Чернуха Т.Н. , Марьенко И.П. , Давидян А.В. , Забродец Г.В. , Жучок А.Н.
Published: March 2024

Гемифациальный спазм (ГФС) – заболевание, проявляющееся безболезненными пароксизмальными непроизвольными односторонними тоническими или клоническими сокращениями лицевой мускулатуры, иннервируемой ипсилатеральным лицевым нервом. Частота встречаемости ГФС составляет примерно 11 на 100 000 населения, при этом заболевание манифестируется в среднем в районе третьего десятка жизни пациента. Гемифациальный спазм подразделяется на первичный, когда наличие спазмов обусловлено нейроваскулярным конфликтом в области лицевого нерва, и вторичный, когда наличие фасцикуляций лицевой мускулатуры обусловлено другими причинами. Первичный гемифациальный спазм чаще всего возникает из-за сдавления лицевого нерва артерией (передней нижней мозжечковой, задней нижней мозжечковой, позвоночной), реже венозными сосудами в области выхода нерва из ствола головного мозга. Учитывая распространенность гемифациального спазма, поражение преимущественно пациентов молодого возраста, инвалидизирующий характер заболевания, изучение этиологии, патогенеза, анатомических осбенностей первичного ГФС является актуальной проблемой современной нейрохирургии.

Hemifacial spasm (HFS) is a disease manifested by painless paroxysmal involuntary unilateral tonic or clonic contractions of the facial muscles innervated by the ipsilateral facial nerve. The incidence of HFS is approximately 11 per 100,000 population, and the disease manifests itself on average around the third decade of the patient’s life. Hemifacial spasm is divided into primary – when the presence of spasms is due to a neurovascular conflict in the area of the facial nerve and secondary – when the presence of fasciculations of the facial muscles is due to other reasons. Primary hemifacial spasm most often occurs due to compression of the facial nerve by an artery (anterior inferior cerebellar, posterior inferior cerebellar, vertebral artery), less often – by venous vessels in the area where the nerve exits the brain stem. Considering the prevalence of hemifacial spasm, the affection of predominantly young patients, the disabling nature of the disease, the study of the etiology, pathogenesis, and anatomical features of primary HFS is an urgent problem of modern neurosurgery.
Cervical Myelopathy is a Disease Simulating Amyotrophic Lateral Sclerosis
Authors: Рушкевич Ю.Н. , Семенова А.И. , Гвищ Т.Г. , Клюнчик С.Г. , Лихачев С.А.
Published: March 2024

Цервикальная миелопатия может иметь типичные симптомы бокового амиотрофического склероза с развитием гипотрофий, фасцикуляций, пирамидной недостаточности. Синдром бокового амиотрофического склероза в картине цервикальной миелопатии отличается относительно благоприятным течением и прогнозом.

Cervical myelopathy may have typical symptoms of amyotrophic lateral sclerosis, hypotrophy and, fasciculations, pyramidal insufficiency. Amyotrophic lateral sclerosis syndrome in the picture of cervical myelopathy is characterized by a favorable course and prognosis
ANALISIS FINANSIAL HASIL HUTAN BUKAN KAYU KEMIRI (Aleurites moluccanus) dan ASAM (Tamarindus indica) “Studi Kasus Desa Sillu Kecamatan Fatuleu Kabupaten Kupang”
Authors: Selan Corna Juliustermarlin , Pellondo’u Mamie , Rammang Nixon
Published: March 2024

Hasil Hutan Bukan Kayu (HHBK) Kemiri (Aleurites moluccanus) dan Asam (Tamarindus indica) adalah salah satu tumbuhan yang banyak manfaatnya untuk menunjang kehidupanmasyarakat sehari-hari dan juga memiliki nilai jual yang cukup baik. Agar diperoleh indikator keberlanjutan usaha dariKelompok Tani Hutan maka perlu diketahui kelayakan finansialnya. Penelitian ini dilakukan pada bulan Maret sampaidengan April 2021 dengan tujuan untuk menganalisis kelayakan finansial Hasil Hutan Bukan Kayu (HHBK) Kemiri (Aleurites moluccanus) dan Asam (Tamarindus indica) dengan tingkat suku bunga dan harga untuk menentukan pengembangan usaha tersebut layak atau tidak. Responden dalam penelitian adalahKelompok Tani Hutan, pengambilan responden dilakukan secara purposive, metode yang digunakan berupa observasi dan wawancara langsung sedangkan analisis kelayakan finansialyang digunakan adalah Net Present Value (NPV), Benefit Cost Ratio (BCR) dan Internal Rate Of Return (IRR). Hasil penelitian menunjukkan bahwa Hasil Hutan Bukan Kayu (HHBK) Kemiri (Aleurites moluccanus) dan Asam (Tamarindus indica) layak untuk dikembangkan karena memiliki nilai indikator dengan tingkat suku bunga ≥ 10 % adalah Kemiri (Aleurites moluccanus) dengan nilai 13 % dan Asam (Tamarindus indica)dengan nilai 14 %.
PENDETEKSIAN SEBARAN KERAPATAN VEGETASI DAN SUHU PERMUKAAN MENGGUNAKAN CITRA LANDSAT DI KABUPATEN SABU RAIJUA
Authors: Aini Yusratul
Published: March 2024

NDVI (Normalized Difference Vegetation Index) merupakan salah satu cara untuk mendeteksi kerapatan vegetasi menggunakan band 5 dan 4 dari citra satelit Landsat 9. Sementara itu Land Surface Temperature merupakan salah satu cara untuk mendeteksi suhu permukaan suatu wilayah menggunakan band thermal pada citra Landsat 9.  Kerapatan vegetasi dan suhu  permukaan merupakan informasi penting yang saling berkaitan terkait dengan perubahan tutupan lahan dan perubahan iklim. Penelitian ini bertujuan untuk melihat sebaran nilai indeks vegetasi dan suhu permukaan pada tahun 2023 serta korelasi antara suhu permukaan dengan indeks vegetasi yang terdapat di Kabupaten Sabu Raijua. Analisis yang digunakan yaitu analisis spasial dengan melakukan perbandingan antara informasi  spasial penggunaan lahan dengan data sebaran  kelas kerapatan vegetasi dan kelas suhu  permukaan. Analisis dilakukan untuk data citra bulan Oktober 2023 yang masih tergolong pada musim kemarau di wilayah Provinsi NTT. Hasil penelitian menunjukkan  bahwa NDVI pada kabupaten Sabu Raijua memiliki rentang nilai -0.15 hingga 0.44 yang menandakan sebaran nilai ini termasuk kategori non vegetasi hingga vegetasi tinggi. Nilai indeks vegetasi dominan berada pada kategori vegetasi rendah sebesar 59%. Sementara hasil nilai Land Surface Temperature (suhu permukaan) menunjukkan nilai 17oC hingga 37oC pada bulan Oktober 2023 pada semua tipe tutupan lahan. Nilai LST dan NDVI tersebut berkorelasi secara terbalik.
THE ROLE OF VARIOUS ORGANIC PLANTING MEDIA COMPOSITIONS ON THE GROWTH OF RED JABON (Anthocephalus macrophyllus) SEEDLINGS
Authors: Pala Gloria Natalia , Seran Wilhelmina , Pellondo'u Mamie E.
Published: March 2024

Jabon Merah (Anthocephalus macrophyllus) is one type of plant that has a strong growth resistance in its growth. Jabon Merah plants need nutrients in their growth. This study aims to determine the effect of providing chicken and cow manure on the growth of Jabon Merah plants. The research was conducted at the Fatukoa permanent nursery from December 2020 to March 2021. The method used was a Completely Randomized Design (CRD) method with one-factor testing, consisting of 7 treatments and 4 replications consisting of M0=100% Soil (Control) ( 2 kg); M1=75% soil + 25% chicken manure fertilizer (1.5 kg + 0.5 kg); M2= 50% soil + 50% chicken manure fertilizer (1 kg + 1 kg); M3=25% soil + 75% chicken manure fertilizer (0.5 kg + 1.5 kg); M4=75% soil + 25% cow manure (1.5 kg + 0.5 kg); M5 = 50% soil + 50% cow manure (1 kg + 1 kg); M6 = 25% soil + 75% cow manure (0.5 kg + 1.5 kg). Parameters observed and measured were increase in seedling height (cm), increase in stem diameter (cm), number of leaves (strands), shoot dry weight (gr), root dry weight (gr), seedling robustness (cm), root shoot ratio (gr), seed quality index and live percentage (%). The results showed that the application of chicken and cow manure showed no significant effect on all parameters, namely increase in seedling height (cm), increase in stem diameter (cm), number of leaves (strands), shoot dry weight (gr), root dry weight. (gr), seedling sturdiness (cm), root shoot ratio (gr), seedling quality index and live percentage (%).
KAJIAN ETNOBOTANI HUTAN OLEH MASYARAKAT SEKITAR KAWASAN HUTAN LINDUNG MBELILING DESA WAE LOLOS KECAMATAN SANO NGGOANG, KABUPATEN MANGGARAI BARAT
Authors: Ndula Aleksandro Alianto , Riwu Kaho Ludji Michael , Seran Wilhelmina
Published: March 2024

The use of forest ethnobotany in the form of medicinal plants by the people of Wae Lolos Village, Sano Nggoang District, West Manggarai Regency has long been used as an alternative to traditional medicine. This study aims to determine the types of medicinal plants used by the community based on the type of disease. The method used is vegetation analysis using the transect line method, as many as 81 plots with plot sizes of 20 x 20 m, 10 x 10 m, 5 x 5 m and 2 x 2 m. The data collected is primary data and secondary data. Primary data was obtained through interviews with 3 key informants who were determined by Snowball Sampling to determine the use of various types of medicinal plants by the community around the Mbeliling protected forest area and direct observation by conducting a vegetation analysis while secondary data were obtained in the form of data from the Central Bureau of Statistics of West Manggarai Regency and data from the Central Bureau of Statistics of West Manggarai Regency. from the Wae Lolos Village Office. Based on the results of the study, there were 27 types of medicinal plants in the Mbeliling Protected Forest Area. The results of the analysis at the seedling level of medicinal plants obtained 23 species of medicinal plants with the highest IVI of 26.42%, the sapling level obtained 12 species of medicinal plants with the highest IVI of 35.75%, the pole level obtained 10 species of medicinal plants with the highest IVI of 55.76% and tree level obtained 9 types of medicinal plants with the highest IVI 62.76%. The most common types of medicinal plants used to cure diabetes are 14% and the lowest are cough, liver, back pain, malaria, ulcers, stomach, gout, migrant cysts, syphilis, ulcers, flue, stomachache, infertility, epilepsy. and seizures with a percentage of 4%.
PENILAIAN VITALITAS DAN KUALITAS TAPAK DENGAN FOREST HEALTH MONITORING (FHM) DIBAWAH TEGAKAN JAMBU METE (ANACARDIUM OCCIDENTALE L.) DI DESA NUSANIPA, KECAMATAN TANJUNG BUNGA, KABUPATEN FLORES TIMUR.
Authors: Luron Yohanes A. P. , Pellondo'u Mamie M. E. , Riwu Kaho Norman P.L.B.
Published: March 2024

This research was conducted in Tanjung Bunga District, East Flores Regency. This study aims to assess the vitality and quality of the cashew nut. The indicators observed were tree damage, canopy condition, cation exchange capacity and soil pH. The aims of this study were (1) to determine the health condition of the cashew tree and (2) to find out what factors influence it. The samples used were tree stands and soil samples, the technique of determining the sample was using cluster plots. Analysis of the data used is to calculate the index value of tree damage and canopy conditions and perform soil analysis to assess soil conditions. The results of this study showed that the health condition of the cashew stand at the tree level was in the poor category and the canopy condition in the medium category. The value of the quality of the site shows the cation exchange capacity (CEC) has a high value and the pH of the soil has a slightly acidic value. The influencing factors are Livestock, Plant Pest Organisms (OPT), environment, fire and limited water.
IMPLEMENTATION OF PHYSICAL SCARIFICATION TECHNIQUE THROUGH FUEL-FLUSH METHOD AND DEPTH OF SEED SOWING IN BREAKING SEED DORMANCY AND SEED GROWTH OF CANARI (Canarium indicum Leenh.)
Authors: Ngalu Maria Elisabet L. , Seran Wilhelmina , Riwu Kaho Norman P.L.B.
Published: March 2024

Walnut (Canarium indicum Leenh.) is one of the typical plant species of East Nusa Tenggara which is included in the leading non-timber forest product (NTFP) commodity. The generative propagation of walnut plants has problems due to the long dormancy period of the seeds so that preliminary treatment is needed. Burn-flush technique and depth of seed is one of the physical dormancy breaking techniques. This technique is expected to accelerate the breaking of dormancy and seed germination. This research was conducted to determine the effect of burn-flush scarification on the breaking of dormancy of walnut seedlings (Canarium indicum Leenh.) The method used was a Randomized Block Design (RAK) with a combination of treatment levels, depth of seed sowing and length of burning time, s0t0 ( sowing 0 cm + without burning), s0t1 (0 cm sowing + burning 5 minutes), s0t2 (0 cm sowing + burning 10 minutes), s1t0 (2 cm sowing + without burning), s1t1 (2 cm sowing + burning 5 minutes), s1t2 (2 cm sowing + burning 10 minutes), s2t0 (4 cm sowing + no burning), s2t1 (4 cm sowing + burning 5 minutes), and s2t2 (4 cm sowing + burning 10 minutes). The results of this research indicate that there is no interaction between the depth of seed sowing and the length of the burning time. The level of depth of seed sowing gave insignificant results on all observation variables, while the length of time of burning had a very significant effect on all observed variables. Single factor t1 (burning time of 5 minutes) is the best treatment because shows a high influence on several observation variables.
STUDY OF VEGETATION COMFORT LEVEL BASED ON AIR TEMPERATURE AND HUMIDITY CONDITIONS IN GREEN OPEN SPACE AREA. Case Study in the Nostalgia Park Green Open Space Area and Piet A. Tallo Street Green Open Space, Kupang City, East Nusa Tenggara Province
Authors: Putra Bukhari Muslim Maloko , Purnama Maria M. E. , Riwu Kaho Norman P.L.B.
Published: March 2024

This research was conducted to determine the comfort of the vegetation based on the conditions of temperature and humidity. This research was conducted in the Nostalgia Park Green Open Space and Piet A. Tallo Street Kupang City, East Nusa Tenggara which was carried out for 1 month, from July to August 2021. This study used the path method by determining the data collection sample based on the dominant vegetation in the area and data analysis using descriptive analysis. The data is processed using the Temperature Humidity Index (THI) formula. The results showed that the comfort of the vegetation in the Green Open Space area of Taman Nostalgia and Jalan Piet A. Tallo was in moderate condition with THI values in the range of 23-27. The Green Open Space area has heterogeneous forest types with the most dominant vegetation in both areas being White Teak (Gmelina arborea) and Flamboyan (Delonix regia). This forest type allows vegetation of the same type in these two green open spaces to have different temperature and humidity data.
Keanekaragaman Jenis Amfibi (Ordo Anura) Di Kawasan Hutan Penelitian Bu’at-So’e Kecamatan Mollo Selatan Kabupaten Timor Tengah Selatan Provinsi Nusa Tenggara Timur
Authors: Tantap Gaudensia Oktaraviani , Purnama Maria M. E. , Pramatana Fadlan
Published: March 2024

Amphibians are an element of the ecosystem and part of the biodiversity that inhabits various habitats, thus becoming one of the groups of animal taxa commonly used as an indicator of environmental conditions. South Central Timor Regency has the potential as a natural habitat for amphibians because:has a temperature that ensures the growth and reproduction of amphibians. However, data on amphibian research is still very limited. This study aims to identify and identify diversity of amphibians of the order anura in the Bu'at-So'e Research Forest Area. The data collection method used in this study is a Visual Encounter Survey combined with a line transect. Data collection is done by making an observation path then repeated 3 times on each path. The data obtained were analyzed using the Shannon Wiener Index, species evenness, species richness, relative abundance, dominance and vegetation analysis. The results of the study found 134 individuals of amphibians consisting of 5 families and 7 species. The results showed that the species diversity index was in the medium category and the evenness, richness and dominance index were in the low category. This condition explains that, at the time the research was conducted, the habitat in the Bu'at-So'e Research Forest area was still guaranteeing the growth and reproduction of amphibians of the order Anura
Pengaruh Komposisi Media Tanam (Perbandingan Tanah, Pupuk Kandang, Dan Arang Sekam) Terhadap Pertumbuhan Dan Hasil Tanaman Kangkung Darat (Ipomoea reptans Poir)
Authors: Oematan Shirly S. , Gandut Yosefina R. Y. , Ndiwa Antonius S. S. , Huki C. F. F. Higa
Published: March 2024

This research was carried out in the experimental garden of the UPT Integrated Field Laboratory / Center for Excellence in Science and Technology on Dry Land Islands, Nusa Cendana University, which was carried out from March to May 2022. growth and yield of land kale and knowing the composition of the growing media (soil ratio, manure and husk charcoal) that can provide the best growth and yield of land kale. This study is an experimental experiment designed using a completely randomized design (CRD) with 7 treatments and 5 replications. The treatments tested in the form of planting media composition (Comparison of Soil, Manure, Husk Charcoal), were as follows: (T0) = 100% soil; (T1) = Soil 1: Manure 1; (T2) = Soil 1 : husk charcoal 1; (T3) = Soil 1: Cow manure 1: Husk charcoal 1; (T4) = Soil 2: Manure 1; (T5) = Soil 2: Husk Charcoal 1 and (T6) = Soil 2: Manure 1: Husk Charcoal 1. The results showed that the combination of planting media (comparison of soil, manure, and husk charcoal) had a significant effect on plant height, number of leaves, gross fresh weight, and net fresh weight of kale as well as the combination treatment of soil and manure (1 : 1) gave the best results for plant height, number of leaves, fresh weight, net weight, which were 18.74 cm for height, respectively. plants, 8.44 leaves for the number of leaves, 17.67 grams for fresh weight and 12.84 grams for plant net weight.
Diagnóstico citopatológico de infecção pelo vírus herpes simples causando úlceras aftosas orais em paciente com leucemia linfocítica aguda
Authors: Lopes Danielle Nobre , Marques Letícia Côgo , Menezes Rafaela Elvira Rozza de , Cunha Karin Soares Gonçalves , Janini Maria Elisa Rangel
Published: March 2024

Objetivo: Este trabalho tem como objetivo relatar uma infecção oral atípica por HSV diagnosticada por exame citopatológico em um paciente com leucemia linfocítica aguda.
Relato de caso: Paciente do sexo feminino, nove anos, branca, portadora de leucemia linfocítica aguda, apresentando úlceras recobertas por pseudomembrana e sangramento espontâneo em palato mole esquerdo medindo aproximadamente 2 cm, além de outras úlceras medindo 1 cm na borda lateral esquerda da língua. A citopatologia esfoliativa revelou neutrófilos e efeitos citopáticos do HSV nos ceratinócitos em um fundo de fibrina. Com base no exame esfoliativo, foi obtido o diagnóstico de infecção por HSV.
Conclusão: A infecção oral por HSV pode ser atípica em pacientes imunocomprometidos e pode causar alta morbidade e mortalidade. Os profissionais de saúde, principalmente os que atuam em ambiente hospitalar, devem estar atentos à possibilidade de infecção pelo HSV em lesões atípicas nesses pacientes e avaliar a necessidade de inclusão de terapia antiviral profilática.
Tumores malignos em região de cabeça e pescoço no público infanto-juvenil
Authors: Freitas Rebeca Tavares , Damasceno Marlene Xavier de Andrade , Costa Michele Rosas Couto , Farias Illa Oliveira Bitencourt , Medrado Alena Ribeiro Alves Peixoto , Dantas Juliana Borges de Lima
Published: March 2024

Objetivo: Verificar as características clínico-histopatológicas dos tumores malignos infanto-juvenis de maior ocorrência em região de cabeça e pescoço, bem como seus respectivos tratamentos e prognóstico.
Métodos: Tratou-se de uma revisão narrativa da literatura. Foram utilizadas as plataformas Literatura Latino Americana e do Caribe em Ciências (LILACS), Scientific Eletronic Libray Online (SCIELO) e PubMed, mediante cruzamento de descritores DeCS/MeSH com os operadores booleanos, além de busca livre secundária. Após todas as etapas de refinamento, um total de 34 artigos foram incluídos.
Resultados: Apesar do câncer ser relativamente raro no público infanto-juvenil, no Brasil, representa elevada mortalidade na infância. Os tipos de neoplasias mais comuns em cabeça e pescoço são: carcinoma mucoepidermóide, de células escamosas (CEC) e osteossarcoma, além do rabdomiossarcoma e carcinoma de células acinares. A glândula parótida é a mais acometida por tumores glandulares na infância. O rabdomiossarcoma é o câncer de células musculares mais frequente em crianças e adolescentes, e o CEC é uma neoplasia menos comum neste público, porém pode apresentar caráter agressivo e prognóstico desfavorável, assim como o osteossarcoma. O tratamento é multimodal devido às diferenças comportamentais dessas neoplasias.
Conclusão: Apesar do câncer de cabeça e pescoço apresentar baixa prevalência no público infanto-juvenil, o conhecimento acerca das características clínicas e histopatológicas pode favorecer o diagnóstico imediato e o tratamento precoce.
DEVELOPMENT OF RESOURCE-SAVING TECHNOLOGY AND TECHNICAL MEANS FOR POTATO CULTIVATION
Authors:   Vernadsky University RSUNE of The Ministry of Agriculture of Russia, Hadzhiev Parviz , Ramazanova Gulbike ,   Vernadsky University RSUNE of The Ministry of Agriculture of Russia, Hadzhiev Imran ,   Vernadsky University RSUNE of The Ministry of Agriculture of Russia
Published: March 2024

A significant proportion of potatoes are cultivated in difficult soil and climatic conditions, which negatively affects the quality of harvested potatoes due to the consequences of contact of tubers with soil lumps. The technology for cultivating potatoes with alternating beds is proposed to increase the efficiency of potato cultivation to stabilize the accumulation of organic matter, decompact the soil and the subsoil horizon. The method includes basic tillage, pre-planting tillage with cutting ridges, planting potatoes in ridges, inter-row cultivation, maintenance soil moisture and density, digging up tubers and marking rows. The method differs in that during subsequent planting next year, the soil is cultivated so that the bottom of the ridges alternates with potato tubers. The research results showed that the greatest influence on the destruction of soil lumps is their moisture content and the speed at which the lumps collide with the beater drum. It has been shown that destruction of up to 80% of soil lumps occurs when falling from a height of 1 - 1.5 m and the destructive force of clay with a moisture content of 17 - 22% under static compression is 0.1-0.2 kN. Ultimately, the technology of growing potatoes with alternating ridges helps control weeds and minimizes the incidence of diseases and pests.
THE EFFICIENCY OF USING HILLING WORKING OGANS WITH A MULCHING DEVICE IN THE COMB TECHNOLOGY OF POTATO CULTIVATION
Authors:   All-Russian Research Institute for the Use of Technology and oil products in agriculture, Zazulya Alexander , Danilenko Zhanna ,   Ryazan State Agrotechnological University named after P.A. Kostycheva, Makarov Valentin ,   Ryazan State Agrotechnological University named after P.A. Kostycheva, Makarova Olga ,   Academy of Law and Administration of the Federal Penitentiary Service of Russia
Published: March 2024

An analysis of machines and equipment for hilling potato plantings is given, the timing of technological hilling operations is considered, starting from the pre-emergence period until the tops are closed in ridges and rows. The geometric shapes of the bed during the process of hilling potatoes are considered in the form of drawings according to the phases of development and height of the plants. To implement the task, a Hiller with a device for mulching the surface of the ridge is proposed, which allows you to keep the tuberous nest from overheating in hot weather, destroy germinating weeds and retain moisture in the ridge, it is proposed to be used to implement the task. This is a hiller with flaps, behind the body of which grinding devices are installed in the form of rotating disks with blade fingers mounted on an axis. A rod with a spring for copying the surface of the ridge by the mulching device is installed at an angle in the flaps of the hiller body with a pitch equal to twice the diameter of the fingers of the chopping device. It is noted that the use of the proposed hilling device makes it possible to perform interrow cultivation in one pass, combine the operation of destroying the pruned soil layer and crushing it, destroying weeds and mulching the surface of the ridge. The results of a study of the use of an experimental hiller in practice show that in the created fine-lumpy ridge layer from the soil, it is saturated with air oxygen, which accelerates the anaerobic and aerobic processes occurring in it, contributing to the accelerated decomposition and mineralization of soil organic matter. A comparison of the performance indicators of serial and experimental hillers has been carried out. It has been established that the experimental hiller allows the cultivator to operate at increased speeds of up to 2.6 m/s and to create a cover of the ridge with a mulching layer of soil of 3–4 cm, with the size of lumps on the surface layer of the ridge of 1–1.5 cm, to destroy weed seedlings in comb up to 95%. During the research, it was found that the effectiveness of the introduction of an experimental hiller will increase potato yields by 5-7%.
ASSESSMENT OF THE SENSITIVITY OF THE TRIER GRAIN CLEANING PROCESS TO OPERATING MODES
Authors:   All-Russian Research Institute for Use of Machinery and Petroleum Products in Agriculture, Tishaninov Nikolai , Anashkin Alexander ,   All-Russian Research Institute for Use of Machinery and Petroleum Products in Agriculture, Emelyanovich Sergey ,   All-Russian Research Institute for Use of Machinery and Petroleum Products in Agriculture
Published: March 2024

Studies of the relationship between the speed mode of operation of the wild oat trier and the quality indicators of the technological process of purifying wheat from long impurities: the inevitable technological losses of full-fledged grain of the main crop into waste and residual contamination of the purified grain have been carried out. The studies were carried out using an experimental trier, which provided separate supply of grain mixture components into a cellular cylinder in specified ratios and control of the cylinder rotation speed with an accuracy of 0.1 rpm. It has been established that the quality of the process of cleaning grain from long impurities is greatly influenced by the speed mode of operation of the trier. The optimal value of the rotational speed of the cellular cylinder, at which the entire length of the cellular surface is involved with minimal losses of grain from the main crop, exists for specific values of grain supply to the trier and the angular position of the output tray. The maximum cleaning quality in terms of residual grain contamination is achieved in this way. Reducing the cylinder rotation speed from the optimal 34.6 rpm to 34.0 rpm (by 1.7%) leads to an increase in technological losses by 3.6 times with zero initial clogging and by 15.5 times with clogging 1. 3%. The relationship between the indicator of residual contamination and the size of the free cellular surface when the rotation speed of the cellular cylinder deviates upward from the optimal one has been established. With a grain supply of 1.2 t/h, an angular position of the working edge of the output tray of 55° and a cylinder rotation speed of 36.0 rpm, the value of the free cellular surface was 70 cm, the residual contamination was 14.2 pieces/kg, and in the absence of a free cellular surface, achieved by reducing the speed mode of the trier to 34.6 rpm, the residual contamination of the cleaned grain was 1.5 pieces/kg, which is 9.5 times less.
ANALYSIS OF THE INFLUENCE OF DESIGN PARAMETERS ON TRACTOR ANEUVERABILITY WITH ALL STEERABLE WHEELS
Authors:   Voronezh State Agrarian University named after Emperor Peter the Great, Belyaev Alexander , Orobinsky Vladimir ,   Voronezh State Agrarian University named after Emperor Peter the Great, Trishina Tatiana ,   Voronezh State Agrarian University named after Emperor Peter the Great
Published: March 2024

The results of a theoretical analysis are presented to assess the influence of the longitudinal base and track of a tractor with all steerable wheels on its basic geometric and kinematic characteristics in curved motion, characterizing its maneuverability. The maximum abscissa and ordinate of the trajectory of the entrance to the turn and the minimum theoretical radius of the steady-state stage of a circular loop-free turn are taken as estimated indicators. A comparison is given with the calculation results obtained in the study of a tractor with front steerable wheels under identical design parameters and operating conditions. To determine the necessary desired parameters describing the trajectory of the curved movement of the tractor, parametric equations are obtained. Analysis of the calculation results showed that with an alternate increase in the length of the longitudinal base from 2.2 m to 3.0 m and the track width from 1.2 m to 2.2 m, with the remaining unchanged design and operational characteristics, the minimum radius increases, respectively, by 18.5% and 16.3%, and the maximum ordinate of the trajectory of entry into the turn – by 3.9% and 16.6 %, while the maximum abscissa of this section of the trajectory decreases by 20.4 % and 40.4%. A comparison of the turning method, which is the subject of research in this paper, with the method of turning the front steerable wheels, all other things being equal, showed the effectiveness of the first of them. An increase in the maximum abscissa by 1.75 times was revealed, but a decrease in the maximum ordinate by 1.05 times and the minimum turning radius by 1.69 times. This gives reason to talk about the best maneuverability of a tractor with all steerable wheels.
INVESTIGATION OF THE CAVITATION PROCESS IN AN ULTRASONIC MIXER
Authors:   All-russian research institute for use of machinery and petroleum products in agriculture, Meshcheryakova Yulia , Nagornov Stanislav ,   All-russian research institute for use of machinery and petroleum products in agriculture
Published: March 2024

An innovative way to solve pressing problems of energy saving and reducing environmental pollution during the operation of automotive equipment can be the use of a specially designed ultrasonic motor fuel mixer. The creation of cavitation areas in an ultrasonic mixer promotes the fragmentation of long hydrocarbon chains and thereby improves the quality of fuel (diesel and mixed diesel fuel), reduces fuel consumption, and prolongs the operation of the diesel engine fuel system. Possible modes of ultrasonic treatment were investigated in order to create an optimal cavitation region in the mixer. The establishment of treatment modes was carried out by changing the pressure-flow relationship in a laboratory installation, and the determination of cavitation areas based on the technique of numerical modeling of fuel flows in the structure under study. Numerical modeling made it possible to establish cavitation regions with different acoustic powers. The experimental studies of the hydrodynamic parameters of a real mixer indicate the adequacy of the developed model. 8 modes of ultrasonic exposure are defined depending on the pressure drop; they, in turn, are divided into pre-cavitation and cavitation. The operating pressure range was from 0 to 4 atm with a difference of 0.5 atm for each mode. The maximum reduction in kinematic viscosity (on average 23%) for all types of fuel is observed when the pressure drop reaches 2.5 atm. A further change in the cavitation regime towards an increase in the pressure drop does not lead to a significant change in the kinematic viscosity of motor fuels (about 2%).
THEORETICAL SUBSTANTIATION OF THE TECHNOLOGICAL PROCESS OF SOWING SUGAR BEET SEEDS WITH A PNEUMATIC SOWING SYSTEM
Authors:   Dahl’s Lugansk State University, Bondarchuk Alina , Koval Maxim ,   K.E. Voroshilov’s Lugansk State Agrarian University
Published: March 2024

A promising direction in the development of seeding machine designs is the creation of pneumatic seeding systems based on jet pneumoautomatics. The introduction of seeding systems with automatic process control will allow us to obtain fundamentally new ways of programmed sowing of seeds, fertilizers, herbicides. The purpose of the study is to determine the dependence of the aerodynamic lift on the aerodynamic properties and size of the seeds, the vacuum in the suction cup, its size and the distance between the seed and the suction cup. A model is presented reflecting a program of sequentially performed operations aimed at dosing seeds with a single dosing element, including a suction cup and a cell. The continuous flow of the dosing process is ensured by superimposing the algorithms of the process of individual dosing elements with a time shift, which negatively affects the quality of dosing due to the tight connection of individual operations between the components. The analysis of the time diagram of the algorithms' functioning showed that even with a constant speed of the drill, the uniformity of seed dosing by pneumomechanical and mechanical seeding systems depends on changes in the sliding of the support and drive wheel due to different physical and mechanical properties of the soil and various loads arising when overcoming friction forces in the apparatus. The object of analytical research is the technological process of the pneumatic seeding system, its temporary modes of operation, their relationship with operational, structural and technological parameters, which mainly determine the quality of seed distribution at the bottom of the furrow. The aerodynamic lifting force in the seeding system was considered. Calculations have shown the presence of a directly proportional dependence of the aerodynamic lifting force on the aerodynamic properties and size of the seeds, the vacuum in the suction cup, and the size and distance between the seed and the suction cup.
OPTIMIZATION OF 3-D MODE PRINTING OF TURBINE STIRRER FOR DISPERSING SOLUTIONS POLYMER COMPOSITES
Authors:   Lipetsk State Technical University, Li Roman , Kiba Maria ,   St. Petersburg Mining University, St. Petersburg, Grebenkov Dmitry ,   Lipetsk State Technical University, Erokhin Viktor ,   Lipetsk State Technical University
Published: March 2024

The design of the turbine stirrer is characterized by a rather complex shape of working surfaces and during its manufacture by traditional methods unique molds are required for each type of stirrer, increased material and labor costs are required. The use of 3D printing allows you to obtain products with a complex surface configuration, with minimal costs and which do not require subsequent machining. Analysis was carried out and selection of 3D printing type and material of turbine stirrer intended for mixing of elastomeric nanocomposite solutions components was carried out. FDM (Fused Deposition Modeling) is the most suitable type of 3D printing for solving design and technological problems in the manufacture of turbine stirrers. Plastics of the brands ABS, PLA and PETG have become very widespread in this type of 3D printing. The highest mechanical properties, chemical resistance and the lowest price of the materials under consideration are PETG plastic, which was chosen for the manufacture of a turbine stirrer designed to mix and disperse solutions of elastomeric nanocomposites. An active experiment was implemented according to the В2 plan. The samples are PETG plastic plates printed on a Flying Bear Ghost 5 3D printer. The main mode parameters of 3D printing by FDM type, which determine the strength of samples and printing performance, are: the number of concentric lines that make up the wall of the printed product and the line width. A regression model of the dependence of strength of samples made of PETG plastic on the number and width of lines in 3D printing was obtained. The optimal 3D printing mode of the turbine stirrer is set, providing high strength of the product and performance of the technology.
Warm stratification combined with organic manure application enhances seed germination and improves Cycas revoluta growth and development
Authors: Benjelloun Jalila , Bouzroud Sarah , Zaid Younes , Guedira Abdelkarim , Smouni Abdelaziz
Published: March 2024

Cycas revoluta (Sago palm) is one of the widespread ornamental plant, used as an indoor and outdoor plant. Seed propagation is extremely hard and time consuming, given the physical dormancy imposed by hard coat. The use of warm stratification improves seed germination by prompting embryos development. As mean to gain more insight on the beneficial effect of warm treatment on seed germination, histological analysis of warm stratified and untreated embryos was conducted. Our results revealed that warm treatment accelerated embryos development, resulting in a rapid differentiation of embryos’ tissues. α-amylase, GA3 and ABA quantification showed that warm stratified embryos accumulated higher and lower amounts of α-amylase and ABA respectively compared to untreated embryos. Regarding plant development, our results showed that organic manures significantly improved Cycas revoluta growth and development. The best response was recorded with the application of sheep manure. Indeed, sheep manure addition increased plant height, the number of leaves per plant, stip length and width by nearby 188% and 61%, 36% and 17% respectively. In roots, the presence of nodules had been recorded in the three applied treatments and more importantly in the presence of sheep manure. At the physiological level, sheep manure supplementation improved photosynthetic apparatus and nitrogen content in leaves (by 75%), thereby explaining the growth promotion. Taken together, these results underlined the beneficial effect of organic manure on Cycas revoluta growth and development and proposed a new strategy to improve plant growth and development with the use of sheep manure as organic amendment.
A Contrastive Analysis of Demonstratives in English and Ikwerre Languages
Authors: Agwu Florence Nne , Ndamzi Amadi Gabriel
Published: March 2024

Demonstratives, an essential linguistic element embodying deixis and indicating precise spatial and contextual relationships, serve as fundamental building blocks in communicative processes. This paper, therefore, examines the complex syntactic and morphological dynamics of demonstratives in English and Ikwerre languages and the differences and similarities in the use of demonstratives in both languages which may pose problems to the Ikwerre learner of English as a second language. This study uses the contrastive analysis theory and the descriptive grammar theory to guide its analysis of data. This eclectic approach provides a meticulous and exhaustive analysis, examining the distinctive features, elusive variations, and multifaceted usage of demonstratives within the framework of English and Ikwerre grammar. This paper meticulously explores both proximal and distal forms of demonstratives, dissecting their roles as determiners, adjectives, and possessive markers in the linguistic structures of both languages. The findings of this study reveal that similar to English, Ikwerre demonstratives function as determiners, adjectives, and indicators of possession. Notably, the post-head position of Ikwerre determiners, distinct from English, reflects the language's head-first structure, shaping its grammatical features. In the adjectival function, both Ikwerre and English utilize demonstratives in predicative contexts, imparting specific attributes or conditions to nouns. Structural disparities, such as the head-first language structure and the inclusion of a pronominal element in Ikwerre demonstratives, further distinguish their syntactic characteristics. Morphologically, Ikwerre introduces a unique structure for plural nouns, utilizing both pre-head and post-head demonstratives to enhance specificity. This stands in contrast to English's use of a single demonstrative for plural reference. The findings thus, offer invaluable contributions to the overarching realm of cross-
Cervical Cerclage to Prevent Recurrent Mid-Trimester Miscarriage- A Retrospective Study in A Private Hospital
Authors: Rahman Lucky
Published: March 2024

Background: Cervical insufficiency (CI) poses significant risks to pregnancy outcomes, including recurrent mid-trimester miscarriages and preterm births. Cervical cerclage, a primary preventive technique, aims to mitigate these risks by preserving cervical length and structural integrity. Objective: This retrospective study evaluates the effectiveness of cervical cerclage in preventing recurrent mid-trimester miscarriages. Method: Conducted over two years at a private hospital, the study analyzed 92 cases of mid-trimester cervical cerclage. Data included patient demographics, cervical parameters, and pregnancy outcomes. Statistical analysis employed descriptive statistics and odds ratios. Results: Term deliveries (45.65%) predominated over preterm (33.70%) and abortion (20.65%) outcomes. Notably, cervical length inversely correlated with preterm birth risk (odds ratio: 0.25), while cervical dilatation increased preterm birth likelihood (odds ratio: 34). Maternal complications were infrequent, with hemorrhage (3.3%), infection (1.1%), and cervical lacerations (2.1%) reported. Conclusion: Cervical cerclage demonstrates promise in preventing mid-trimester miscarriages, with term deliveries comprising the majority of successful outcomes. However, challenges persist, including the lack of standardized treatment timing and potential complications. The study underscores the importance of individualized care in managing CI and highlights the need for further research to optimize treatment protocols.
Arthroscopic Evaluation of Association of Meniscus Injuries in Patients with Anterior Cruciate Ligament Injuries
Authors: Rashid Md. Harun Are , Rahman Md Mizanur , Alam Mohammad Shamsul , Khan Mohammad Rafiqul Islam , Hossain Md. Fahim , Bulbul Md. Sharif
Published: March 2024

Background: The knee joint's stability relies significantly on the integrity of the meniscus and the anterior cruciate ligament (ACL). Chronic ACL tears can compromise knee stability, making the meniscus a crucial stabilizer. Understanding the prevalence and patterns of meniscus injuries associated with chronic ACL tears is essential for effective management. Objective: This study aimed to assess the arthroscopic evaluation of association of meniscus injuries in patients with anterior cruciate ligament injuries. Method: A retrospective analysis was conducted on thirty-three patients diagnosed with ACL injuries at MuMCH between January 2021 and December 2023. Patients aged 18-50 with ACL injuries, with or without meniscus damage, were included. Clinical evaluations, knee MRI scans, and diagnostic knee arthroscopies were performed. The study evaluated meniscus injuries associated with chronic ACL injuries and assessed outcomes using the modified Lysholm score. Results: The study revealed a predominant occurrence of meniscus injuries (70%) among participants, with a majority falling within the 38-47 years age bracket (45.45%) and a male majority (60%). Sports and accidental injuries accounted for 40% each, while road traffic accidents contributed 20%. Lateral meniscus tears were the most prevalent (30.30%), followed by combined medial and lateral meniscus tears (33.33%). Posterior horn tears were predominant, particularly in the medial meniscus. Conclusion: The study highlights a high incidence of meniscus injuries associated with chronic ACL tears, with medial meniscus injuries prevailing over lateral tears. Posterior horn tears were predominant, emphasizing the medial meniscus's significant role in knee stability. These findings underscore the importance of early detection and appropriate management of meniscus injuries in chronic ACL-deficient knees to prevent degenerative changes and optimize patient outcomes.
Workload analysis with the full time equivalent method approach to determine workforce required
Authors: Taufan Sonny , Rahmawati Risca , Mujiyono Mujiyono , Iskandar Donant Alananto
Published: March 2024

This research aims to to analyse the workload using the Full Time Equivalent (FTE) method to produce the optimal number of human resources. The post-pandemic economic recovery has led to increased productivity in various sectors, including PT Mada Wikri Tunggal which has experienced an increase in sales in the last three years. However, this increase in sales is inversely proportional to the number of human resources in the office sector of the company. Excessive or too minimal workload will cause inefficiency in the productivity of a company. The amount of workload that is too heavy indicates that the amount of workforce available is not balanced with the workload given, so it can cause physical and mental fatigue which results in a decrease in productivity. The data analysis method used in this research is the Full Time Equivalent (FTE) method. FTE can be assumed as a measure of the time required for the workforce to completely carry out work activities.
Pengaruh kepemimpinan kepala sekolah, komunikasi dan sertifikasi guru terhadap persepsi kinerja guru
Authors: Noersanti Lina , Juniarti Juniarti , Hastin Abiyyah
Published: March 2024

This study aims to find out the influence of the principal's leadership, communication and teacher certification on the perception of teacher performance at SDN Pisangan Timur 01 Pagi. This research approach is quantitative with a correlation model. Data were obtained using survey methods. The population in this study are teachers at SDN Pisangan Timur 01 Pagi, a total of 30 teachers. The sample in this study is a saturated sample. The analysis used is SEM-PLS which consists of outer model, inner model and hypothesis testing using SmartPls 3.0 software. The results of this study show that the principal's leadership has no effect on teacher performance. Communication and teacher certification have an influence on teacher performance. Good communication between fellow teachers and their leaders can improve the performance of teachers in schools. The benefits provided through certification can motivate a teacher to be a better teacher for his students.
Peran dewan pengawas Syariah dalam meningkatkan pengeluaran zakat Bank Umum Syariah di Indonesia
Authors: Sunarsih Uun , Dahlifah Dahlifah
Published: March 2024

This research aims to test the influence of profitability, firm size, and inflation on zakat expenditure and test the Sharia Supervisory Board (DPS) moderating profitability, firm size, and inflation on zakat expenditure. This research is explanatory research with a quantitative approach. The research population is Sharia Commercial Banks (BUS) in Indonesia, listed on the Indonesia Stock Exchange for 2017-2022, and 14 BUS were obtained. This test uses SEM-PLS. The research results prove that profitability has no effect. Zakat may be a personal matter, not a company matter. Firm size has an influence; the greater the assets owned, the greater the potential for issuing zakat. Inflation has no effect because decreasing people's purchasing power will affect paying zakat. DPS does not moderate profitability because the company has yet to issue a fatwa on zakat. DPS can moderate firm size, meaning that DPS has carried out its role. DPS cannot moderate inflation, meaning that DPS must provide management with a good understanding that if they have reached the nisab and haul, they must issue zakat. Novelty in this research is adding a moderating variable and using Shariah Enterprise Theory.