bluuebunny/crossref_metadata_2025 huggingface dataset:
Pengaruh Jenis Salak (Salacca edulis R.) dan Konsentrasi Gula Terhadap Karakteristik Wine
Authors: Sonya Purnama Sari Ni Putu , Wisaniyasa Ni Wayan , Hatiningsih Sayi
Published: September 2022

Wine was a fermented drink made of grapes extract. However, wine could be made from other fruits that contain glucose, such as snake fruit. Making wine from snack fruit was an alternative to overcome the abundance of snake fruit at its harvest time. The making of snake fruit wine was done by giving treatment about different types of snake fruit and sugar concentration that was used to produce wine with the best characteristics. The purpose of this research was to determine the effect of different types of snake fruit and sugar concentration on the characteristics of snake fruit wine, as well as to determine the different types of snake fruit and sugar concentration that can produce snake fruit wine with the best characteristics. This research used Factorial Completely Randomized Design with two factors. The first factor was the type of snake fruit, namely: Salak Gula Pasir, Salak Nangka, and Salak Pondoh. The second factor was sugar concentration, namely: 20%, 25%, and 30%. The result of this snake fruit wine tested for its alcohol level (ethanol), reducing sugar, total acid, acidity (pH), total soluble solid, sensory assessment including color, taste, smell, and overall acceptance. The result showed that interaction of the types of snake fruit and sugar concentration had a significant effect (P<0,05) on alcohol level (ethanol), reducing sugar, total acid, total soluble solid, also taste and overall acceptance (hedonic). The best characteristics of the wine was obtained from the treatment of Salak Pondoh type and the concentration of sugar 30% with 10,86% ethanol level, 0,94% reducing sugar, 0,33% total acid, pH 3,47, total soluble solid 13,65 °Brix, sensory assessment of color was preferred, the aroma was ordinary with characteristic slightly distinctive aroma of snake fruit, the taste was preferred, and the overall acceptance was preferred.
Pengaruh Perbandingan Terigu dan Tepung Sukun (Artocarpus altilis) Terhadap Sifat Fisiko-Kimia dan Sensoris Bolu Kukus
Authors: Surachman Ronald , Kencana Putra I Nengah , Sri Wiadnyani Anak agung Istri
Published: September 2022

In general, the raw ingredients for making steamed sponge is wheat flour, but nowadays it can be mixed with breadfruit flour to reduce the use of wheat flour. This study aimed to determine the effect of the comparison of wheat flour and breadfruit flour (Artocarpus altilis) on physico-chemical and sensory properties of steamed sponge cake and find out the comparison of wheat flour and breadfruit flour to obtain the best physico-chemical and sensory properties of steamed sponge cake. The experimental design used was Completely Randomized Design with the comparison treatment. The design used in this study was a Completely Randomized Design (CRD) with the treatment of the amount of wheat flour and breadfruit flour (100%:0%, 90%:10%, 80%:20%, 70%:30%, 60%:40% and 50%:50%). All treatments were repeated three times, resulting in 18 experimental units. The data obtained were analyzed with Analysis of Variance and if the treatment had a significant effect, then continued with the Duncan Multiple Range Test. The results showed that the addition of breadfruit flour had a significant effect on water content, ash content, protein content, fat content, crude fiber content, carbohydrate content, swelling power, scoring test for color, smell, texture, taste, hedonic test for taste and overall acceptance. A comparison of 70% wheat flour and 30% breadfruit flour produces steamed sponge cake with the best physico-chemical and sensory properties with the criteria of 34.04% moisture content, 0.84% ash content, 6.17% protein content, 3.73% fat content, 55.21% carbohydrate content, 3.53% crude fiber content, 65.80% swelling power and sensory properties of cream color and slightly like, the smell of breadfruit is weak and slightly like, the texture is slightly soft and slightly like, breadfruit taste is weak and slightly like, and overall acceptance is slightly like.
Analisis Kadar Kafein dan Antioksidan Kopi Robusta (Coffea canephora) Terfermentasi Saccharomyces cerevisiae
Authors: Yogi Rabani RS I Gusti Agung , Elza Fitriani Pande P.
Published: September 2022

Robusta coffee is one of Indonesia's premier commodities known both domestic and international markets. Coffee beans are known to contain polyphenol, a flavonoid substance listed as one of the strong antioxidants, particularly chlorogenic acid (cholorogenic acid), which is one of the known resistance to free radical conditions. The study is aimed at recognizing the effect of increasing yeast and optimizing time fermentation on caffeine content and antioxidant activity on robusta coffee beans. The study is an experimental study aimed at recognizing the effects of increased yeast and longer fermentation on the characteristics of pubic coffee covering acidity (ph), total caffeine, total phenol, and antioxidal activity. Research design is a complete random design (ral). The factors noted are the five degrees of yeast concentration (k), the concentration of leaven 0% (k0), the concentration of leaven 1% (k1), the concentration of leaven 2% (k2), the concentration of yeast 3% (k3), and the concentration of yeast 4% (k4). Analysis of each treatment involves degrees of acidity, total caffeine, water level, and phytocyination test. Fingerprint analysis will show the best treatment of the effects of yeast increases and longer fermentation. Studies are expected to provide information on the best quality of fermented robusta coffee. Based on research that has been compared to the conditions of the characteristic characteristic of fermented arabic-ground coffee using s. cerevisiae with a concentration of 0%, 1%, 2%, 3% and 4% according to coffee characteristics 01-3542-2004 based on water sni 2.33-1.68% b/b, the coffee saris 301-30%35% b/b and caffeine level 1.18-1,01% b/b. The fermentation process reduces the pH and sugar reduction and the formation of ethanol.
Laju Pertumbuhan Bruguiera gymnorrhza dan Avicennia marina Berdasarkan Tingkat Salinitas yang Berbeda
Authors: Nadhifah Ines , Nurweda Putra I Dewa Nyoman
Published: September 2022

Mangrove is one of the essential ecosystems on the earth and ocean. The references show that the growth rate of mangroves is affected by salinity. The study aimed to elucidate the growth rate of mangroves B. gymnorrhiza and A. marina on the different salinity concentrations. This study had been conducted for 3 months in seedbed of Balai Pengelolaan Daerah Aliran Sungai dan Hutan Lindung Unda Anyar. Five concentrations of salinity were used in this study, 0%, 0,5%, 1,5%, 2% and 3%. Several parameters of growth have been observed in this study, such as the growth of stem height, the diameter of the stem, the number of leaves, and leaf area. The parameters data were collected weekly. In this study, the data were analyzed using the One-Way Anova test. In this study, there is no significant difference (P>0.05) between growth rate and salinity, and the growth rate of B. gymnorrhiza has not been affected by salinity. However, A. marina has a significant difference (P<0.05) in one parameter, the leaf area of A. marina, and no significant difference in other parameters.
Distribusi dan Kondisi Kesehatan Mangrove di Utara Labuan Bajo, Nusa Tenggara Timur
Authors: Pura I Putu Yogadisa , Arthana I Wayan , Putra I Nyoman Giri
Published: September 2022

This study aimed to determine the distribution, health condition, and mangroves' environmental conditions in northern Labuan Bajo. The mangrove species found at the observation sites were Rhizophora apiculata, R. stylosa, R. mucronata. Ceriops tagal, Sonneratia alba, Bruguiera gymnorrhiza, Xylocarpus granatum, X. moluccenis, Phemphis acidula. Mangroves north of Labuan Bajo are classified as healthy with moderate to good criteria ranging from 60.48% - 79.11%; the value of mangrove health is determined from several parameters such as canopy cover, which has a range of cover values ranging from 68.22% - 84.73% with an average percentage of the overall canopy cover at all observation points 79.72%, the density has a range value between 650 ponhon/ha -7950 trees/ha. The average tree diameter of the overall diameter of the grove reaches 844 cm. with an average environmental parameter value such as temperature reaching 31.03 °C, salinity is 34.4, pH average of 7.06 with the substrate in the entire observation area dominated by a muddy type of substrate that supports the growth of this species in addition to mangroves Rhizophora sp. species has excellent adaptability to the environment which causes this species to dominate in the observation area.
KUANTIFIKASI DNA PADA MAHASISWA PEROKOK DAN BUKAN PEROKOK DI UNIVERSITAS NEGERI MEDAN KECAMATAN MEDAN TEMBUNG KOTA MEDAN PROVINSI SUMATERA UTARA
Authors: Purba Kezia Artanauli , Junitha I Ketut , Wirasiti Ni Nyoman
Published: September 2022

Identifikasi individu merupakan suatu hal yang sangat penting dalam forensik. DNA dapat diperoleh dari seluruh bagian tubuh dengan profil yang sama pada setiap orang. Epitel mukosa mulut merupakan salah satu sumber DNA yang sering digunakan untuk identifikasi individu karena dalam pengambilannya menggunakan metode swab yang  tidak menyakiti probandus. Merokok merupakan salah satu perilaku yang banyak dilakukan oleh anak-anak muda/remaja. Asap rokok sangat mempengaruhi sel-sel pada mukosa mulut hal tersebut terjadi karena merupakan radikal bebas. Radikal bebas adalah senyawa oksigen reaktif yang merupakan senyawa dengan elektron yang tidak berpasangan. Deoxyribonucleic acid (DNA) adalah polimer asam nukleat yang tersusun secara sistematis dan merupakan pembawa informasi genetik yang diturunkan kepada keturunannya. Penelitian ini bertujuan untuk mengetahui kuantitas dan kualitas  DNA pada mahasiswa perokok dan mahasiswa bukan perokok di Universitas Negeri Medan Kecamatan Medan Tembung Kota Medan Provinsi Sumatera Utara. Sampel diambil dengan metode swab yaitu epitel mukosa dari 60 probandus yang terdiri dari 30 probandus mahasiswa perokok dan 30 probandus mahasiswa bukan perokok yang berumur 18-22 tahun. Bagian pipi dalam probandus diswab mulai dari bagian belakang hingga kedepan dengan satu arah. Pada penelitian ini ekstraksi DNA dilakukan menggunakan larutan chelex yang bertujuan untuk memisahkan DNA dari protein, uji kuantitas DNA dengan spektrofotometer dan uji kualitas DNA dengan gel agarose. Hasil penelitian menunjukkan rata-rata kuantitas DNA pada sampel mukosa mulut sebesar 1,96 ng/µL pada probandus mahasiswa perokok dan sebesar 6,92 ng/µL pada probandus mahasiswa bukan perokok dan. Hasil uji kualitas menggunakan elektroforesis pada gel agarose menunjukkan pada mahasiswa perokok ada pendaran pita tipis dan pada beberapa sampel tidak ada pendaran pita sama sekali. Sedangkan pada probandus mahasiwa bukan perokok ada beberapa sampel yang terlihat ada pendaran pita tipis dan smear.
ANALISIS KERAGAMAN GENETIK VARIETAS JAGUNG (Zea mays L.) HIBRIDA MENGGUNAKAN MARKA RAPD (RANDOM AMPLIFIED POLYMORPHIC DNA)
Authors: Rahardja Viryanando Evan , Pharmawati Made , Gari Ni Made
Published: September 2022

Analysis of genetic diversity is essential in developing hybrid maize (Zea mays L) varieties. The purpose of this study was to analyze the genetic diversity of six maize varieties using the PCR-RAPD (Polymerase Chain Reaction-Random Amplified Polymorphic DNA) technique. Hybrid maize varieties used in this study were Srikandi, Arumba, Mira, Magenta, and Simba. A local maize variety originating from Rote Island, East Nusa Tenggara Province was used as a comparison. Seeds were planted for the observation of morphological characteristics such as roots, leaves, and stems, as well as DNA extraction samples. DNA was extracted using the CTAB method and PCR-RAPD was performed using 3 primers. The size of the PCR product was determined using semilog paper. Genetic diversity between varieties were analyzed using the MVSP (Multi-Variate Statistical Package) program with the UPGMA (Unweighted Pair Group Method with Arithmetic Mean) method. The results of PCR-RAPD gave 28 DNA bands with sizes ranging from 310 bp to 1550 bp and produced 23 polymorphic bands. Based on the dendrogram resulting from PCR-RAPD data, there was one cluster consisting of Rote, Srikandi, Arumba, Mira, and Magenta varieties, as well as another cluster consisting of only the Simba variety. The local variety of Rote and the hybrid variety of Srikandi have the closest genetic distance, while the Simba variety has the farthest genetic distance from the other five varieties.
ВПЛИВ АЛКОГОЛЮ НА ФОРМУВАННЯ ПЕРЕДУМОВ ТА ПЕРЕБІГ СЕЛЯНСЬКОЇ РЕВОЛЮЦІЇ У НАДДНІПРЯНСЬКІЙ УКРАЇНІ (1902 – 1922)
Authors: КОВАЛЬОВА Наталія , ШМАЛЮХ Альона
Published: September 2022

Мета дослідження – проаналізувати вплив алкоголю на виникнення об’єктивних передумов селянської боротьби та перебіг соціально-політичних процесів в українському селі перших десятиліть ХХ ст. Методологія дослідження базується на використанні принципу історизму, який допоміг послідовно розкрити роль і місце алкоголю як складника селянської революції: від перших погромів “винних” об’єктів у 1905 р. до їх остаточної руйнації в 1917 р.; показати ставлення селянства до зловживання алкоголем в умовах воєнно-політичних потрясінь. Поясненню особливостей погромницької поведінки селян сприяють теоретичні досягнення соціальної психології (психологія натовпу Г. Лебона), аналітичної психології (колективне несвідоме К. Юнга). Наукова новизна  полягає у з’ясуванні впливу алкоголю на розвиток соціокультурних та політичних процесів в українському селі крізь призму конфлікту селян з поміщиками й державою (1902 – 1922). Авторами проаналізовано частку витрат на алкоголь у селянських бюджетах наприкінці ХІХ – на початку ХХ ст.; запропоновано відповідь на запитання щодо впливу зловживання алкоголем на формування причин селянської революції; здійснено порівняльний аналіз “п’яних” бунтів у 1905 р. та 1917 р.; охарактеризовано ставлення селян до самогоноваріння в 1917 – 1922 рр.

Висновки. “П’яні” бунти були супутнім явищем селянської революції в Наддніпрянській Україні перших десятиріч ХХ ст.. Водночас зловживання алкоголем не було причиною селянської революції. На руйнацію об’єктів спиртової галузі в 1905 р. селян спонукали продовольчі труднощі, це був протест проти державної політики. Тривалий час алкоголь був чинником, який визначав перебіг соціально-політичних процесів в українському селі (масові погроми винокурень, спиртосховищ, винних крамниць, поміщицьких маєтків, цукрових заводів). В умовах воєнно-політичних потрясінь 1918 – 1920 рр. масове самогоноваріння слугувало фінансовою підтримкою для селянства й одночасно відігравало негативну соціальну роль.
НОВЕ ДОСЛІДЖЕННЯ ЦАРСТВА ПТОЛЕМЕЇВ В УКРАЇНСЬКІЙ ІСТОРІОГРАФІЇ (рецензія на монографію: Від басилевсів-фараонів до фараонів-басилевсів: перші 100 років птолемеївської монархії: монографія / Зелінський А.Л. Вінниця; Київ: ТОВ «ТВОРИ», 2020. 648 с.)
Authors: ПЕТРЕЧКО Олег , БЕК Юліан
Published: September 2022

рецензія на монографію: Від басилевсів-фараонів до фараонів-басилевсів: перші 100 років птолемеївської монархії: монографія / Зелінський А.Л. Вінниця; Київ: ТОВ «ТВОРИ», 2020. 648 с.
ПЕРЕСЕЛЕНСЬКИЙ РУХ СЕРЕД НІМЕЦЬКОГО НАСЕЛЕННЯ ПІВДЕННИХ ОКРУГ УСРР У 1920-х рр.
Authors: РОЗОВИК Олеся
Published: September 2022

Мета дослідження ‒ розкрити невивчену проблему ‒ процес переселення безземельного та малоземельного німецького населення з поліських і лісостепових районів УСРР на вільні землі південних округ республіки протягом 1920-х років. Автор використовував загальнонаукові методи аналізу, синтезу, систему, узагальнення та історичний, історико-системний методи дослідження цієї проблеми. Наукова новизна статті полягає у тому, що на основі архівних джерел досліджувалася маловивчена проблема переселення німецького населення у південні регіони республіки протягом      1920-х рр. Дослідження ґрунтується на аналізі документів Центрального державного архіву вищих органів влади та управління України. Зроблено такі висновки: на початку 1920-х рр. в аграрному секторі УРСР, в поліській зоні та лісостепу республіки виникло “аграрне перенаселення”. Причин цього явища було кілька, і одна з головних ‒ різке збільшення чисельності населення в цих традиційно сільськогосподарських зонах України. Уже в першій половині 1920-х рр. 68 000 німецьких селян (12.8 тис. дворів) з’явилися в безземельних селах Волині, Поділля та частково в Київській та Чернігівській областях. Загалом 100 тис. осіб німецької національності потребували поліпшення сільськогосподарського становища та переселення до вільних земель півдня республіки або на землі Всесоюзного переселенського фонду. Протягом першої половини 1920-х рр. до південних округ республіки переселилося 30 700 німців, а протягом другої половини 1920 ‒ на початку 1930-х ‒ 30 800 німців. Доцільно зазначити, що умовою для переселення було створення колективізованих переселенських господарств. Для переселенців на півдні республіки Народним комісаріатом земельних справ УСРР та місцевими радами було забезпечено не лише достатньо землі та пасовищ для продуктивного землеробства і худоби, а також виділено державну фінансову допомогу на житло, придбання сільськогосподарського інвентарю, домашніх тварин тощо. Проте радянська влада проти представників німецької національності влаштувала репресії, що тривали протягом наступних двох десятиліть. Це призвело до зникнення національних населених пунктів, фізичного винищення представників німецької національності.
ПУБЛІКАЦІЯ ДОКУМЕНТАЛЬНИХ ДЖЕРЕЛ В УКРАЇНІ У ДОБУ НЕЗАЛЕЖНОСТІ
Authors: СІЧКАРЕНКО Галина , ЗЛЕНКО Алла
Published: September 2022

Метою статті є узагальнення досвіду незалежної України щодо видання збірників історичних документів за основними напрямами та періодами. Методологія дослідження ґрунтується на стратегіях порівняння, типології, принципах історизму. В основу логіки викладу матеріалу покладено проблемно-історичний принцип, що дає змогу в хронологічній послідовності розкрити основні теми і напрями опублікованих збірників документів з історії України. Наукова новизна. У статті висвітлено археографічну видавничу діяльність за 30 років незалежності нашої держави. Акцентовано увагу на спільних виданнях архівів із академічними установами і вишами, регіональними центрами, громадськими організаціями, зарубіжними інституціями та дослідниками. Показується, що обсяг документальних матеріалів, виданих під час незалежності України, досить об’ємний і створив в інформаційному просторі України тематичні блоки з дуже широкою хронологією. Автори виділяють два головні періоди: 1990-ті та 2000-ні рр., які відрізняються своїми тематичними напрями, акцентами та підходами до висвітлення історичних проблем, залученням до публікацій центральних, регіональних, зарубіжних наукових і громадських центрів, застосуванням сучасних інформаційних технологій. Висновки. Історики й архівісти загалом справляються із завданням показу об’єктивної картини історичних подій, проте актуальними залишаються питання методологічного плану, кваліфікованого використання новітніх інформаційних технологій, нових типів джерел. Варто оперативніше відповідати назрілим інформаційним запитам населення, темам, які активно обговорюються, у тому числі в світі, та особливо насичені кліше, міфами, і де є наявним зовнішній щодо України інформаційний вплив. Це буде збільшувати присутність українського археографічного продукту в національному та глобальному інформаційному просторі.
“НЕКОНВЕЦІЙНІ ІСТОРІЇ”: ПОЛЬСЬКА ІСТОРІОГРАФІЯ У ПОШУКАХ НОВИХ СОЦІАЛЬНИХ ПЕРСПЕКТИВ
Authors: ЯРЕМЧУК Віталій
Published: September 2022

Мета дослідження – встановлення значення і місця в сучасній польській академічній рефлексії над проблемою ролі історичної науки в житті суспільства низки нових дослідницьких напрямів і пропозицій, у фокус уваги яких винесено соціальну значущість історичного знання. Методологія дослідження базується на застосуванні методів історіографічного аналізу та синтезу. Його наукова новизна полягає у тому, що вперше в історіографії розглянуто внесок найновіших напрямів польського професійного історієписання (так званих “неконвенційних історій”) у підвищення його соціальної ролі, вказано на конкретні шляхи, які запропоновано ними в аспекті надання історичному знанню практичного значення, обговорено ймовірні обмеження такого знання. Висновки. У сучасній польській історичній науці відзначається цілий спектр інноваційних підходів та напрямів, так чи інакше орієнтованих на ширше, ніж це було раніше, представлення історичних знань у суспільному просторі. Це “неконвенційні історії”, які існують в рамках “нової гуманітаристики”, “постгуманітаристики”, “публічної історії”. Кожній по-своєму вдається посилювати присутність історичних знань у суспільному просторі. Проте відкритим залишається питання, яке часто ставлять представники традиційної частини академічної спільноти істориків, у тому числі і в самій Польщі: про здатність такого типу “історій” триматися Істини про минуле. Як здається, прибічниками проаналізованих вище “неконвенційних історій” не надається настільки вагоме значення цій проблемі, як це визнано в академічній історіографії. Отже пізнавальна функція історичних знань (здобувати істинне знання про минуле), з якої суспільство може отримувати й суто практичні здобутки, ставиться під сумнів.
Consumer Preferences for Animal Welfare Certified Eggs
Authors:   The Korean Agricultural Economics Association, Chang Jae Bong , Lee Yonggeon , Jeong Minkook
Published: September 2022

This study estimates consumers’ willingness to pay for several eggs attributes, with primary focus on animal welfare. A nationwide online survey of 1,000 consumers was conducted to determine consumers’ preferences for animal welfare certification and identify perceptions of animal welfare claims and certifications factors affecting consumers’ willingness to pay by using the mixed logit model. The results from a choice experiment indicate that consumers place significant value on animal welfare certification, package size, expiration date and prices. We find a high degree of heterogeneity in willingness to pay for free-range and cage-free eggs. The mean premium for free-range eggs and cage-free eggs are 2,672KRW and 1,862KRW per 10 eggs, respectively. Our results also indicate that consumer perceptions of animal welfare and certification are associated with a willingness to pay. Results suggest there is potential for increasing the market share for animal welfare certified eggs.
Investigate the Water Activity of Different Solutions According to Solute Concentration for Preparing Wet Filtration Solution
Authors: Minh Chau Nguyen , Thanh Dong Pham , Minh Viet Nguyen , Dinh Khai Do , Thi Thuy Nguyen , Thi Phong Huong Trinh , Duc Khanh Tran , Ha Giang Vu , Van Ha Hoang
Published: September 2022

According to the World Health Organization (WHO), air pollution ranks 6th among the leading causes of death globally. The wet porous membrane filter has been widely used in dust removal, VOCs, and acid gas absorption. The wet filtration solutions need to ensure a low water activity that limits the release of moisture into the air, inhibits microbial growth, and can absorb dangerous gases. This study investigated the water activity of NaCl, NaNO3, K2CO3, KCl, K2SO4, Mg(NO3)2, MgCl2, and CaCl2 solutions at different concentrations to saturation at 25 °C. NaCl and NaOH solutions are not only investigated at different concentrations but also investigated the effect of temperature in the range of 0-40 °C. Some solution formulas are suggested that ensures the following properties: low water activity, antifungal, antibacterial and acid gas absorption.
Emissions Factors of Air Pollutants from Rice Straw Burning-hood Experiments
Authors: Thi Hong Phuong Pham , Trung Dung Nghiem , Thi Mai Thao Pham , Tham Trinh Thi
Published: September 2022

Abstract: The burning of rice straw produces a significant amount of particulate matter (PM) and gaseous air pollutants on a regional and global scale. In this study, the hood experiments were conducted to investigate the emission of air pollutants from rice straw burning (RSB). Samples of PM were collected isokinetically following the U.S. EPA methods 1, 1A, and 5. Gaseous pollutants were directly measured using a flue gas analyzer (Testo 350 XL). Emission factors (EF) (g.kg-1) determined for PM, CO2, CO, and SO2 were 17 ± 3.8, 1399 ± 228, 68 ± 22, and 1.5 ± 0.4, respectively meanwhile NO and NO2 were not detected in the flue gas. It was observed that flaming is the main phase in the process of RSB. The total emission from rice straw burning of 13 provinces in the Mekong River Delta of Vietnam in 2020 was estimated using the EF obtained from the hood experiments. The result shows that Kien Giang, An Giang, and Dong Thap were the high emission group in the Mekong River Delta, contributing 19%, 17%, and 14% to total emissions. The results of this study provide a scientific basis for further studies to determine EF from rice straw open burning in the fields and find sustainable measures to control this activity.
Sea Surface Temperature Changes Over the Twentieth and Twenty-First Centuries in East Vietnam Sea Simulated by Multi CMIP5 Models
Authors: Thien Le Van
Published: September 2022

The East ​​Vietnam Sea plays important roles in the Pacific Northwest region. The projection of changes in sea surface temperature (SST) in these regions is an important research topic in marine science. However, this is a very difficult problem due to the lack of available long-term projection data. Recently, with the development of numerical modeling technology, it has become an important way to help us understand climate change. This paper focuses on studying the SST changes in the East Vietnam Sea during the history of the 20th century and the change under 3 emission scenarios in the 21st century based on a combination of 20 global models (GCM) from Phase 5 of the the Climate Model Intercomparison Project (CMIP5) and together with the observed data set. Compared with the observed data, most of the global GCMs models can simulate well the spatial and seasonal changes of the SST over the East Vietnam Sea regions. The spatial and annual SST trends over the the 20th century based on both observations and multimodel ensemble averages show that the warming trend of SST over most of the East Vietnam Sea with the largest warming trend occurred in the center and southern regions of the East Vietnam Sea. However, compared with the observation, CMIP5 underestimated SST trends over most regions of East Vietnam Sea. In addition, there is a consistency between the CMIP5 and the spatial and seasonal observations of the SST trend in the East Vietnam Sea areas. The future SST projections for East Vietnam Sea indicate that RCP 4.5 and RCP 8.5 exhibit a gradual increase in annual SST during the 21st century at a rate of 0.1 °C and 0.3 °C per 10 years respectively. The lowest emission mitigation scenario, RCP 2.6, produces the lowest rate of warming. By the end of the 21st century, the annual SST is projected to increase by 0.5-2.0 °C in 3 emission scenarios of typical representative concentration pathways (RCP) 8.5, 4.5 and 2.6.
Evaluation of the Ability to Treat Saline and Acid Sulfate Soils of Biochar from Rice Husks in Greenhouse Conditions
Authors: Huong Tran Thi Thu , Xuan Tong Nguyen , Phuc Thuy Duong Nguyen , Van Nghia Nguyen , Hai Vu , Thanh Binh Nguyen
Published: September 2022

The purposes of this study were to i) Examine the dynamics of physicochemical parameters of saline acid sulfate soil as influenced by biochar made from rice husk; and ii) Evaluate the influence of biochar on the soil quality index. A greenhouse experiment was carried out by mixing biochar with the tested soil at ratios of 0; 0.7; 1.5; 3, and 6% (w/w) and incubating for 100 days. Experimental soil samples were taken on days 5, 15, 30, 60, and 100 to analyze for 11 physicochemical parameters. The soil quality index (SQI) was calculated based on the principal component/factor analysis (PCA/FA). The results showed that biochar increased the exchangeable concentration of K, Mg, Ca, and pH value while reducing the exchangeable concentration of Fe, and Al, as well as the values of Cl-, H+, and exchange acidity in the soil. Biochar changed the electrical conductivity (EC) and Na parameters, increasing them in the first few measurements while decreasing them in the last measurements. Biochar increased the SQI of the tested soil, even with a low biochar application rate of 0.7% after 100 days of the experiment. The study suggests that biochar made from rice husk could be a potential amendment for ameliorating saline acid sulfate soil.
Epidemiological Characteristics, Disease Knowledge of COVID-19 Patients in Dong Thap
Authors: Duy Anh Dao , Tuan Son Nguyen , Thi Nhung Le
Published: September 2022

Abstract: A cross-sectional descriptive study was conducted from August 2021 to September 2021 to describe the epidemiological characteristics of COVID-19 patients at the field hospital in Dong Thap Community College. The study collected epidemiological data from 240 subjects. The results show that the male/female ratio is 1.2/1; the mean age was 29.2±15.1(1-65) years old; the proportion of subjects having contact with the pandemic area is 90%. The percentage of patients who caught Covid-19 from their family is the highest (62.1%), followed by the number of patients with an unknown source of infection (24.6%) and the number of patients who caught Covid-19 from community transmission (13.3%). The mean time between infection to hospitalization was 4.8 days. The percentage of subjects having 1st dose of vaccine is 12.5%. Most patients acknowledge the COVID-19 pandemic and know the modes of transmission of the SARS-CoV-2 virus. Most of the sick people practiced adequately or inadequately 5K measures in the community and did not practice disease prevention measures at home. The goals of this study are: i) Contributing to a general assessment of epidemiological factors and the accumulated understanding of the disease of COVID-19 patients in general, and COVID-19 subjects at the field hospital of Dong Thap Community College in particular; and ii) Contributing to the development of better disease prevention measures.

Keywords: COVID-19, SARS-CoV-2, epidemiological characteristics.
In vitro acaricidal activity of Azadirachta indica and Phytolacca dodecandra leaves and their combination on Rhipicephalus (boophilus) decoloratus
Authors: Kiconco Catherine , Ajayi Clement Olusoji , Mugisha Kamatenesi Maud , Engeu Ogwang Patrick
Published: September 2022

Rhipicephalus (boophilus) decoloratus (ticks) are causing great economic loss among the cattle rearers from cattle mortalities and costs during the treatments. Synthetic acaricides have been used for a long time in the management of ticks, however chemical resistance from multiple uses of acaricides as well as contamination of dairy products from these acaricides has caused the urgent need for alternative herbal drugs. This study evaluated in vitro activity of the combination of Phytolacca dodecandra L’Her and Azardirachta indica A. Juss against R. (boophilus) decoloratus (ticks) with a view to developing active, less toxic and non-resistant acaricides. P. dodecandra and A. indica were collected, dried after authentication, pulverised mechanically and extracted with cold water. Ticks were treated with the herbal extracts singly and then in combination with concentrations ranging between 50-100mg/mL of distilled water. The anti-tick activity of P. dodecandra and A. indica was compared with Duodip and Ametix which are synthetic acaricides currently being used by farmers in Western Uganda. Results showed that P. dodecandra extract gave the highest mortality of ticks (65%) compared with A. indica (50%), Duodip (40%) and Ametix (5%) within a period of 12– 48 hours after exposure to the treatment. A combination of the two medicinal plant extracts (50%) did not show any significant difference in tick mortality compared to P. dodecandra. Phytolacca dodecandra has potential benefits thus may be used to obtain a natural eco-friendly acaricide for the management of ticks, however, a combination of the two medicinal herbal extracts has little synergistic effect compared to when P. dodecandra is used alone.
A Comparative Study of Social Media Marketing and Traditional Marketing in Indian Hotel Industry

Authors: Dhamija Dolly , KAUR BALJIT
Published: September 2022

Purpose
The present study aims to compare social media marketing with traditional marketing concerning its role in Hotel Branding and Hotel Revenue.
Design/Methodology/Approach
A quantitative approach has been adopted for this research, wherein the data has been collected through a questionnaire from 470 respondents comprising General Managers, Marketing Managers & Departmental Heads of 77-star hotels (5*Deluxe, 5*, 4* & 3*) in Delhi/NCR.
Findings
The findings highlight the prominence of social media marketing and discover that social media marketing has benefitted the hotel industry in increasing brand awareness and generating revenue as compared to the traditional marketing methods. It also discovers that social media marketing is the future of the hotel industry.
Practical Implications
This study will help the hotel managers in the application of various Social media marketing practices for the overall profitability of the business.
Originality/Value
Arguably this is one of a kind study, as there has been no such research done specifically aiming at the perception of Hotel Managers of star hotels of the Indian market. The findings will help the hotel industry enrich its digital presence by suggesting the benefits of social media marketing as compared to traditional marketing in creating & enhancing brand awareness and generating more revenue.
 
Limitations
The present study is just confined to hotels in Delhi/NCR and hence carried on a limited population. A more detailed study with a larger sample size, with a large range of variables and/or in any other region of the country, may also be carried out to effectively represent the intrinsic research.
Keywords: Hotel; Social Media; Traditional Media; Social Media Marketing; Traditional Marketing
Folklore Intertext of S. G. Chavain's Novel "Elnet" (Paremiological Level)
Authors: Kudryavtseva Raisiya Alekseevna , Belyaeva Tatiana Nikolaevna
Published: September 2022

In the article, as part of the study of the poetics of the Mari literature, the paremiological level of the folklore intertext of the novel "Elnet" by the founder of Mari literature Sergey Grigoryevich Chavain is considered. The authors of the article identified different semantic types of proverbs and sayings in the text of the Chavain work, identified their artistic functions in the text. In this aspect, the novel creativity of the writer is being investigated for the first time. The methodology of the research is determined by the structural and semantic analysis of the works, which made it possible to identify and describe in detail the semantic and typological components of the folklore intertext of Chavain's novel "Elnet" at the paremiological level, its significance for the expression of its artistic content. The article proves that the proverbs and sayings used in the novel "Elnet" in one way or another represent the creative portrait of the founder of the Mari national literature Chavain. We are faced with a writer with a folk worldview, brought up on folk culture and in the living language of Mari folklore. The semantic component of the proverbs and sayings used by the author is an integral part of the conceptual world of the novel and the basis of the author's axiology. Forming a folklore intertext in the novel, they also influence its narrative structure, plot movement, participate in the process of creating characters, they are also important in the context of the author's assessments of the depicted events and phenomena.
AUTOMATION OF THE INSTALLATION FOR CLEANING FLUE GASES FROM SULFUR-CONTAINING ELEMENTS
Authors:   Omsk State Technical University, Omsk, Russia, BATRAKOV P. A. , MEDVEDYUK I. N. ,   Omsk State Technical University, Omsk, Russia, Peshko M. S. ,   Omsk State Technical University, Omsk, Russia
Published: September 2022

The article considers an automation and control system developed for an installation designed for a treatment plant with a catalyst to reduce the corrosiveness of flue gases of power plants and release the finished commercial product in the form of elemental sulfur S. The problem of using this installation is that it is necessary to adhere to certain temperature parameters. Due to the inconsistency of numerous factors affecting the operation, it is impossible to manually achieve such regulation, therefore, an automated control and monitoring system should be developed in order to fulfill the technological requirements.
NANOFLUIDS: PROSPECTS FOR APPLICATIONS IN HEAT SOURCES
Authors:   Omsk State Technical University, Omsk, Russia, SLOBODINA E. N. , MIKHAILOV A. G. ,   Omsk State Technical University, Omsk, Russia, PODLIPSKY I. A. ,   Omsk State Technical University, Omsk, Russia
Published: September 2022

The application of nanofluids in thermal systems has great prospects, since the addition of nanoparticles gives a significant increase in the coefficient of thermal conductivity. The nanofluids thermal conductivity depends on the thermal conductivity coefficient of the base liquid and the volume nanoparticles fraction. It is assumed that the heat transfer coefficients and thermal conductivity are in direct correlation. Computational studies show that the increase in the heat transfer coefficient on the coolant side by adding nanoparticles in the coolant volume concentration of up to 10% is up to 23 % in the convective tube bundle. The increase in the heat transfer coefficient on the coolant side in the fire tube is up to 23 % when changing the volume concentration of nanoparticles in the range up to 10 %.
FERRORESONANT PROCESSES IN THE POWER SUPPLY SYSTEM OF A HF RADIO CENTER WITH DISTRIBUTED GENERATION
Authors:   Omsk Scientific Center SB RAS (Institute of Radiophysics and Physical Electronics), KOSAREV B. A. , KOSHUK G. A. ,   Omsk State Technical University, Omsk, Russia, KRIVALTSEVICH S. V. ,   Omsk Scientific Center SB RAS (Institute of Radiophysics and Physical Electronics), OKHOTNIKOV A. A. ,   Omsk State Technical University, Omsk, Russia, FEDOROV V. K. ,   Omsk State Technical University, Omsk, Russia
Published: September 2022

The active development and implementation of power supply systems with distributed generation requires a revision of technical solutions known for centralized power supply. Such solutions include operational and hardware measures aimed at preventing the occurrence of ferroresonant processes in electrical installations. The purpose of the research work is to study the circuit-mode conditions for the occurrence of ferroresonance in a power supply system with distributed generation. To achieve this goal, using the example of the power supply system of a HF radio center, the conditions for the occurrence of ferroresonant processes when using a distributed generation generating plant as an additional or main powersource are considered. Based on the results of the research, it can be concluded that with distributed generation, the circuit-mode conditions for the occurrence of ferroresonant processes, known in the centralized power supply system, undergo changes, and it is also possible to form new ferroresonant oscillatory circuits.
RESEARCH OF THE INFLUENCE OF THE CHARACTERISTICSOF RADIATIVE ELECTROTECHNOLOGICAL INSTALLATIONS POWERED BY COMPLEX WAVEFORM CURRENT ON THE TECHNOLOGICAL PROCESS
Authors:   Omsk State Technical University, Omsk, Russia, PTITSYNA E. V. , PTITSYN D. V. ,   Omsk State Technical University, Omsk, Russia, KUVALDIN A. B. ,   National Research University “Moscow Power Engineering Institute”, Moscow, Russia
Published: September 2022

Using the complex waveform current (CWC) in electrotechnological installations (ETI) with radiators of different types allows improving their energy efficiency. A review of the literature sources revealed the theoretical prerequisites for the use of CWC in ETI with infrared radiators. The research allowed us to obtain the energy characteristics of the ETI and radiators powered by CWC. It suggests the need for further research of the impact on the technological process. The expediency of regulating the shape and amplitude of the supply voltage (current) for ETI with radiators of different types and processed productswere proved. The results of the research allow us to develop recommendations on the choice of an automatic control system for the installation mode.
Dudicial practices of life of the peoples of the North-East of Asia in the studies of the IRGS
Authors: Оглезнева Т.Н.
Published: September 2022

В статье рассмотрена деятельность Императорского русского географического общества и его отделов по изучению общественного устройства и юридического быта коренных малочисленных народов Северо-Востока Азии. Охарактеризованы демократические программные установки исследования обычного права народов России во второй половине XIX – начале XX вв., их значение и актуальность для реалий современной жизни. Для русской общественной мысли во второй половине XIX в. было характерно уважительное и бережное отношение к образу мысли и быту народов России. Статья знакомит с некоторыми наиболее крупными работами, ценными выводами исследователей – деятелей ИРГО и его отделов по обычному праву. Оценен их вклад в сохранение уникальных артефактов юридического быта коренных малочисленных народов Севера, которые в силу уникальности жизнедеятельности и сейчас более всего сохраняют устои обычного права. В статье констатируется, что богатый фактический материал, собранный в ходе экспедиций и наблюдений ИРГО и его отделов, позволил сделать правильные выводы о взаимодействии обычного права и элементов русского государственного устройства и о необходимости сохранения элементов обычного права для повседневной жизни населения, ибо они олицетворяют собой мировоззрение народов, их мироощущение.

The article considers the activities of the Imperial Russian Geographical Society and its departments for the study of the social structure and legal life of the indigenous peoples of the North-East of Asia. The article characterizes the democratic programmatic goals for the study of the customary law of the peoples of Russia in the second half of the 19th – early 20th centuries, their significance and relevance for the realities of modern life. Russian social thought in the second half of the 19th century was characterized by a respectful and careful attitude to the way of thinking and life of the peoples of Russia. The article introduces some of the largest works, valuable conclusions of researchers – leaders of the IRGS and its departments on customary law. Their contribution to the preservation of unique artifacts of the legal life of the indigenous peoples of the North, which, due to the uniqueness of their life activity, still preserve the foundations of customary law, is assessed. The article states that the rich factual material collected during the expeditions and observations of the IRGS and its departments made it possible to draw correct conclusions about the interaction of customary law and elements of the Russian state system and the need to preserve elements of customary law for the everyday life of the population, because they personify the worldview peoples, their worldview.
ИССЛЕДОВАНИЕ ВЛИЯНИЯ БОРИРОВАНИЯ С РЕДКОЗЕМЕЛЬНЫМИ ЭЛЕМЕНТАМИ НА СВОЙСТВА ШТАМПОВОЙ СТАЛИ H13
Authors: Чжэн Ц. , Мэй Ш. , Чжи С. , Гурьев А.М. , Фань Ю. , Лыгденов Б.Д. , Гурьев М.А.
Published: September 2022

В данной работе проведено борирование редкоземельными элементами на подшипниковых ковочных штампах с целью изучения влияния редкоземельных элементов на структуру и свойства борирующего слоя, анализа и сравнения микроструктуры слоя, микротвердости, хрупкости, жаростойкости и износостойкости исходного слоя образца, одиночное борирование и редкоземельное борирование образцов. Результаты показывают, что после борирования редкоземельными элементами структура ковочного штампа подшипника становится более компактной и однородной. Наибольшая твердость достигла 1612,69 HV (на расстоянии 60 мкм от поверхности борирующего слоя). В 60-минутном испытании на трение и износ потеря веса образца, борированного с редкоземельными элементами составила всего 1/4 от исходного образца и 2/5 от потери веса образца после борированием, в то время как коэффициент трения поддерживается на уровне около 0,23. При высокой температуре 800 °Cокислительное увеличение массы при борировании с редкоземельными элементами составило всего 68 % от исходного образца. Можно сделать вывод, что процесс борирования с редкоземельными элементами может улучшить структуру борирующего слоя, стойкость к высокотемпературному окислению и износостойкость поверхности ковочного штампа подшипника, а также уменьшить ее хрупкость.
ИССЛЕДОВАНИЯ ВЛИЯНИЯ ТЕРМИЧЕСКИХ ОБРАБОТОК НА ПОКАЗАТЕЛИ КАЧЕСТВА ИГРИСТЫХ ВИН
Authors: Дроздова Татьяна Александровна , Агеева Наталья Михайловна , Поспелов Максим Витальевич
Published: September 2022

The article is devoted to a study aimed at identifying and developing technological techniques that ensure the intensification of enzymatic reactions in yeast biomass during the post-aging of sparkling wine and, as a result, a significant reduction in the aging time and improvement of the quality of the finished product. In order to study the mechanism of autolysis of yeast during the period of post-run exposure, the effects of temperature regimes of circulation treatments on changes in its physico-chemical and biochemical parameters in conditions excluding increased pressure and tightness of the medium were investigated. For this purpose, starting from the initial wine material and, operationally, in the circulation model, the activity of oxidative and hydrolytic enzymes was analyzed, the content of protein and amine nitrogen, as well as the foaming ability were determined.Despite a significant decrease in the foaming capacity with the use of cold treatment with long-range heat treatment, it was possible to increase its value from 8.7 c to 9.4 с. This value was achieved due to the breakdown of protein structures of the yeast cell and increased activity of hydrolytic enzymes, which contributed to an increase in the concentration of amine nitrogen from 157.5 to 161.0 mg/dm3, which are surfactants. It was also revealed that in order to carry out the secondary fermentation of the vi-nomaterial from the selection grape varieties, it is necessary to carry out the selection of yeast.Thus, the data obtained indicate the possibility of shortening the time of post-aging of the champagne cuvee and improving its foaming ability, as a result of the intensification of wine maturation processes due to increased enzymatic activity of yeast biomass during heat treatment.