bluuebunny/crossref_metadata_2025 huggingface dataset:
Desain dan analisis chassis tipe tubular space frame
Authors: Kahfi M. Wildanul , Mufarida Nely Ana , Kosjoko Kosjoko
Published: March 2023

Automotive is one of the mainstay products in the world today, especially in 4-wheeled vehicles and 2-wheeled vehicles. One of them is electric cars whose main driving force uses electric power. Some of the advantages possessed by electric vehicles with oil-fueled vehicles include free air police from exhaust fumes, no odor and a smoother motor sound. The development of electric cars in Indonesia, which is now growing rapidly, especially among university students, is being held with competitions to make electric cars that are worthy of being marketed. For that we need an energy-efficient car chassis design that is in accordance with the regulations of the Indonesian Electric Car Competition (KMLI). Research on the design chassis  in previous studies has been done with different dimensions, materials, and types of chassis used. The purpose of this research is to design and analyze chassis type Tubular Space Frame using Solidworks 2019 Software in the hope of producing a chassis that is strong, lightweight and has flexibility properties while still paying attention to the Factor of Safety (FOS) when used. The chassis designed using Solidwork 2019 software has dimensions, including: Length = 1883.40 mm, Height = 1033.40 mm, Width = 721.34 mm. The results of the analysis and determination of the material between Aluminum 6061-T6 and Aluminum 6063-T6 used with a comparison of the values ​​of stress, displacement, and safety of factors that occur in the frame, it can be concluded that the chassis is a tubular type with the use of pipes 34.4 x 26.64 3.38 mm thick and 21.36 x 15.50 mm thick 2.77 mm is the most secure chassis and the weight is quite light.
Pengaruh konversi mesin genset 160 cc berbahan bakar bensin dengan converter kit liquefied petroleum gas terhadap emisi gas buang
Authors: Nugroho Berto Yusuf , Trihatmojo Ahmad Arby , Sasongko Anggit Bayu , Wicaksono Yoga Arob
Published: March 2023

Usability of portable generators fueled by petroleum as a substitute for the community's primary source of electrical energy when the main electricity source black out is still the best choice for the community, limited space for good air circulation will make emissions harmful to users or community, innovation is needed to reduce the levels of exhaust emissions produced by saving fuel or converting the fuel used, one of which is by replacing the carburetor in portable generators fuel engine with a converter kit using Liquified Petroleum Gas (LPG). In this study, the lowest use of petroleum fuel was obtained at 36.3 ml/minute or 0.406 liters/hour, consumption of LPG fuel is 0.159 liters/hour, exhaust emission test results obtained at 5.3% CO emissions from petroleum fuel and 125 ppm for HC fuel oil emissions, compared to the results of LPG CO exhaust emission tests. of 0.90% and fuel HC emissions ar LPG of 41 ppm, the use of LPG fuel in Portable Generators with a converter kit has the effect of using more efficient fuel and very low fuel emissions.
Analysis of the Influents of Cutting Parameters in Drilling GFRP Composites Using Taguchi Method
Authors: Naemah Iman
Published: March 2023

Carbon Fiber Reinforced Plastic (CFRP) is widely employed today, mainly in industries, due to its required properties of high corrosion resistance, high strength, and lightweight, this work studies the influence of the cutting parameters on the surface roughness by drilling two types of carbon-fiber-reinforced polymer composite material (CFRP) Composites 0° angle and 90° angle, the investigated of the drilling of CFRP by using an experimental design based on the Taguchi L18 orthogonal array. Spindle speed, feed rate, and tool diameter were the input parameters, and surface roughness was the output. The cutting settings (410, 806, and 1003) rpm and two different HSS tools were employed in the drilling operation of the CFRP composite. The feed rates used were (0.1, 0.2, and 0.3) mm/rev (at 10 and 12 mm in diameter). The Taguchi approach, the cutting speed, feed rate, and tool diameter were optimized to be 1003 rpm spindle speed, 0.1 mm/rev feed rate, and 10 mm, respectively, at a 0° angle, the surface roughness was 2.74 µm, while at a 90° angle, 4.12 µm, surface roughness was created by the Taguchi optimization of the surface for the cutting variables. According to the ANOVA analysis of the surface roughness (Ra) for CFRP/0-angles, The P-value of the factor feed rate was 0.044 less than 0.05, while the p-values of the tool diameter and spindle speed were greater than 0.05. At the CFRP/90-angle, the p-values of the factors feed rate and spindle speed were both less than 0.05, while the p-value of the tool diameter was 0.208.
Understanding Multiculturalism Education from Indonesia, Singapore, Malaysia, and Thailand
Authors: Patras Yuyun Elizabeth , Hidayat Rais , Maksum Arifin , Nurhasanah Nina
Published: March 2023

Every nation faces increasingly complex challenges. Differences every day meet us. The purpose of this study is to learn from the implementation of multicultural education in four countries. This study uses a qualitative approach with content analysis techniques. The data source comes from 12 English articles obtained from scopus.com with the keywords "Multicultural Indonesia", "Multicultural Singapore", "Multicultural Malaysia", and "Multicultural Thailand". The findings of this study are that multicultural implementation can be carried out through policies and policy practices that must be consistent; the use of real multiculturalism practices; the use of universal values of culture and religion that exist in their respective societies; the use of multicultural music, and the use of the Education curriculum. The results of this study can be used for discussion on the issue of more effective multicultural implementation
Strategi Manajemen Perpustakaan Digital untuk Meningkatkan Kualitas Akademik
Authors: Santosa Achadi Budi , Sukirman Sukirman , Subaidi Subaidi
Published: March 2023

As a supporting unit for achieving higher education quality, for many years the university library has been part of the scientific information ecosystem, and the final form of the university library has turned into a digital library. The purpose of this study is to reveal library management in supporting the quality of academic development in tertiary institutions, as well as the advantages and disadvantages of implementing library management which has been carried out so far in the digitalization era. This study uses a qualitative method. The main subjects of this study were library staff, students, and lecturers. Data collection techniques are through interviews and document analysis, while data validity is carried out through triangulation techniques. The results of the study show that college libraries have changed a lot, and the use of digital technology has become an option for the convenience of academic services. However, the management of digital libraries is still faced with the problem of the limited ability of managers in the field of information technology, low budget allocations, and decreased number of visitors. On the other hand, library operations have also not been able to guarantee digital data security.
Evaluasi Program Sekolah Unggul Berbasis Soft Skills (Studi Kasus di SMA Negeri 1 Sidoarjo)
Authors: Warsiman Warsiman , Karyanto Karyanto , Sulistiyorini Endang
Published: March 2023

The purpose of this study was to determine the evaluation of the soft skills-based superior school program at SMAN 1 Sidoarjo. This study used the descriptive qualitative method. The subjects of this study were principals, teachers, education staff, students, and all those involved in the soft skills-based superior school program at SMAN 1 Sidoarjo. The instruments of this research are interviews, observations, and documentation. The data findings were analyzed and presented in a qualitative descriptive manner. The results showed that the evaluation of the soft skills-based superior school program at SMAN 1 Sidoarjo was carried out by the internal school itself, and external parties, namely the education office, school supervisors, school committees, and parents/guardians. The results of the study explain that the evaluation is carried out through the following stages: (1) preparation of evaluation instruments; (2) evaluation by internal parties; (3) evaluation by external parties; (4) evaluation results; and (5) follow-up in the form of an improvement plan.
Penerapan Model Pembelajaran Discovery Learning Dalam Meningkatkan Keterampilan Proses Sains, Berpikir Kritis, dan Percaya Diri Siswa
Authors: Yuliati Christina Lina , Susianna Nancy
Published: March 2023

Science process skills, critical thinking, and self-confidence are life skills that take an important role in everyone’s life, so they need to be developed at an early age. All of those competencies were not yet developed well in grade 1F students in the elementary school SD XYZ Tangerang. The aim of the research was to analyze the application of Discovery Learning model in order to improve grade 1F students’ ability in science process skills, critical thinking, and self-confidence. The research method was class action research. The research was applied to 29 students in the grade 1F elementary school SD XYZ Tangerang as the subject of the study. Students’ progress in their science process skill, critical thinking, and self-confidence was measured by a set of rubrics. The results showed a significant improvement in the students from the first, second, and third cycle. The average science process skill score in the first cycle was 54.60, in the second cycle was 79.60, and in the third cycle was 87.64. The average critical thinking score in the first cycle was 63.51, in the second cycle was 77.01, and in the third cycle was 85.63. The average self-confidence score in the first cycle was 59.77, in the second cycle was 76.72, and in the third cycle was 82.18. Based on the result, it was concluded that Discovery Learning model can improve the science process skill, dan self-confidence in the Science Lesson for grade I F students in the elementary school SD XYZ Tangerang.
Efektivitas Model Bermain Peran Terhadap Keterampilan Bercerita Siswa Sekolah Dasar
Authors: Sunardi Sunardi
Published: March 2023

The aim of this study was to investigate whether the role play teaching model had an effect on students’ story telling skill in primary schools in Salatiga. This study was experimental research. A T-test on the pre-test data showed that the mean of the experimental group was 18.94, whereas the mean of the control group was 18.500. This data showed that there was 0.44 difference between the two groups. Further, the data showed that tcount < ttable (1.319 < 2.353). Hence, there was no significant difference between the two groups. Whereas, an analysis on the post-test data showed that the mean of the experimental group was 21.98 and the mean of the control group was 21.01. Thus, the post test result of the experimental group was higher than the control group. There was 0.96 difference between the groups. The T-test showed that tcount > ttable (3.264 > 2.353). Hence, there was a significant difference between the two groups. The post-test data analysis using t-test showed that the tcount was 3.264 and as the tcount > ttable (3.264 > 2.353), the null hypothesis (H0) was rejected. Thus, there was a significant difference between the story telling skill in the experimental group and the control group.
Karakteristik Kimia dan Aktivitas Antioksidan Selama Fermentasi Kombucha Cascara Kopi Arabika (Coffea arabika L.) Desa Catur Kabupaten Bangli
Authors: Puspaningrum Dylla Hanggaeni Dyah , Sumadewi Ni Luh Utari , Sari Ni Kadek Yunita
Published: March 2023

Kulit kopi yang dikeringkan (cascara) dapat dimanfaatkan menjadi minuman seduhan layaknya teh. Pengembangan cascara sebagai minuman fermentasi (kombucha) banyak dilakukan. Kombucha merupakan minuman fermentasi larutan cascara dan gula yang ditambahkan starter kombucha yaitu simbiosis bakteri Acetobacter xylinum dan beberapa jenis khamir diantaranya Saccharomyces cerevisiae. Penelitian bertujuan mengetahui karakteristik kimia (total asam, total fenol, total gula, pH, alkohol) dan aktivitas antioksidan kombucha cascara kopi arabika selama fermentasi. Penelitian ini dilakukan dengan Rancangan Acak Lengkap dengan satu faktor yaitu lama fermentasi (4, 8, 10, 12, dan 14 hari). Analisia sidik ragam untuk pengaruh perlakuan dilakukan pada data yang diperoleh, bila hasil menunjukkan berpengaruh nyata, maka dilakukan uji Duncan.  Hasil penelitian menunjukkan total asam, total fenol, alkohol dan IC50 kombucha cascara semakin meningkat dengan waktu fermentasi 4-14 hari yaitu total asam berkisar 1,02-1,51% peningkatan total asam terjadi karena metabolisme sukrosa oleh bakteri dan kapang yang akan menghasilkan sejumlah asam organik dan alkohol yang diproduksi secara anaerob oleh khamir Saccharomyces cerevisiae sehingga terjadi kenaikan alkohol berkisar 48,41-2377,55 ppm. Total fenol berkisar 13,31-22,37 mg GAE/mL, kenaikan total fenol diduga karena terbentuknya senyawa fenolik akibat aktivitas enzimatis oleh mikroba SCOBY kombucha dalam mendegradasi komponen matriks lainnya dan mengakibatkan kenaikan IC50 berkisar 52,021-262,298 mg/L. Total gula dan nilai pH kombucha cascara yang dihasilkan semakin lama fermentasi akan menurun dengan total gula berkisar 2,85-6,15% dan nilai pH berkisar 1,46-2,98, gula yang ada digunakan sebagai sebagai nutrisi oleh kultur kombucha selama fermentasi  dan menghasilkan alkohol dan asam organik hal ini mengakibatkan adanya penurunan total gula dan pH pada kombucha cascara.
Tie-Dyeing Pattern Fast-Generation Method Based on Deep-Learning and Digital-Image-Processing Technology
Authors: Liu Suqiong , Xing Xiaogang , Wang Shanshan , Zhou Jinxiong
Published: March 2023

Contingency and uniqueness are regarded as typical artistic characteristics. To accomplish the realistic effect of each tie-dyeing pattern artwork, we propose a digital tie-dyeing pattern fast-generation algorithm based on auxiliary-classifier deep-convolution generative adversarial network (AC-DCGAN) and image-processing technology. To apply this algorithm, the designer first draws the planar layout diagram of the tie-dyeing patterns. The diagram consists of a white background and polychrome circles, and the regional-connectivity algorithm is used to extract information on all the circle positions as well as the pattern categories in the diagram. Then the AC-DCGAN-generated background image is color-corrected to stitch and complete its construction. The AC-DCGAN-generated tie-dyeing pattern image is also color-corrected and is then segmented and copied to the circle area. Mean filtering creates the final digital tie-dyeing patterns. Results show no obvious color difference in generated patterns, splicing edges show uniform transition, and unique patterns exhibit tie-dye characteristics, achieving realistic artistic effects.
Population densities of birds breeding in an urban environment dominated by allotment gardens and other ‘green’ areas in a Central European city
Authors: Kopij Grzegorz
Published: March 2023

A total of 50 breeding bird species were recorded in 2017 in an urban environment (589 ha) in the city of Wrocław, SW Poland. This environment was dominated by green habitats, such as allotment gardens (41.2%), parklnds (13.4%) and forests (2.7%). For 41 species, population densities were estimated. A high population densities were recorded for Phoenicurus phoenicurus (9.2 pairs / 100 ha), Sylvia atricapilla (7.3), Turdus merula (6.6), Phoenicurus ochruros (6.3), Luscinia megarhynchis (5.3.), Sylvia curruca (4.1) and Serinus serinus (3.7). In the alltment gardens, much higher population density of Pica pica (14.5) than Corvus cornix (6.5); and higher population density of Columba palumbus (2.8) than Streptopelia decaocto (1.2) were recorded.
Insectivores (Mammalia: Eulipotyphla) in the Šariš Museum in Bardejov collection (Slovakia)
Authors: Csanády Alexander , Jászay Tomáš , Fechová Erika
Published: March 2023

In study are presented data of the insectivores (Eulipotyphla from three families, i.e., Erinaceidae, Soricidae and Talpidae) specimens deposited in the collection of the Šariš Museum in Bardejov (SMB), Slovakia. In total, data of 469 individuals from twenty-eight sites of eastern Slovakia were evaluated. This collection includes individuals collected in various places and times mainly from northeastern Slovakia. Individuals were acquired in 1956–1982, but mainly in 1956 (n = 150, 31.9%) and 1979 (n = 107, 22.8%). Moreover, one specimen of the Miller’s water shrew (Neomys anomalus) had signs of „melanism“, i.e., the dorsal side (back) was velvety black and a ventral (abdominal) side was the gray-black with a touch of silver.
Distribution and biology of Phytomyza orobanchia (Kaltenbach, 1864) (Diptera, Agromyzidae) in Slovakia
Authors: Černý Miloš , Tóth Peter , von Tschirnhaus Michael
Published: March 2023

Phytomyza orobanchia Kaltenbach, 1964, a leaf miner fly of Orobanche spp. and Phelipanche ramosa (L.) Pomel, is reported as a species new to Slovakia based upon dates from 50 localities from lowlands after as much as alpine location.
Why all the drama? Perceptions and Experiences of Foreign Language Student Teachers on Training in Improvisational Drama Pedagogy
Authors: Goodnight Kristina , van Beuningen Catherine , de Graaff Rick
Published: March 2023

Improvisational drama techniques (IDTs) can benefit foreign language (FL) learners by offering them an engaging way to practise speaking while hiding behind the safety of a character mask. This study aimed to glean perceptions toward and experiences with IDTs among FL student teachers, as well as training needs related to integrating IDTs as a pedagogical tool. Foreign language student teachers at a Dutch university who had not received IDT-training took part in a questionnaire (n = 197). Former student teachers who had taken such a course in drama were interviewed in depth (n = 9). Almost all student teachers - both those who had and had not received IDT-training-shared the belief that IDTs have added pedagogical value. The majority of student teachers who had not had drama training indicated that they did not often implement IDTs in their classes. Former student teachers who had IDT-training continued to integrate IDTs with some regularity. Both groups provided valuable input on the components that should be included in a future IDT-training module for both student teachers and in-service teachers. Our findings give rise to the hypothesis that training can play a key role in galvanizing teachers to implement IDTs, and allow us to formulate design criteria for an innovative training module.
Стратиграфия, хронология и периодизация Краскинского городища
Authors: Гельман Евгения Ивановна
Published: March 2023

За время многолетних исследований городища накопились противоречивые данные о датировке, хронологии и периодизации ключевых объектов на памятнике. Они сформировались на протяжении более, чем 250-летней истории государства Бохай (698–926 гг.) и образовали разновременные строительные горизонты. Раскопки участка жилого квартала вблизи храмового комплекса и фортификационных сооружений сделали возможным соотнести этапы их сооружения и модификации, предложить общую периодизацию и уточнить хронологию городища, учитывая сведения из письменных источников. В первый период существования, когда памятник являлся поселением, жители строили жилища-полуземлянки. В последующие периоды они использовали наземные жилища с канами. Во второй период началось строительство городских стен из каменных блоков, и сложилась квартальная планировка города; в третий период были построены защитные сооружения ворот и башни; в четвертый период производился существенный ремонт стен; в пятый период стены были перекрыты галечно-земляной насыпью. Во все периоды функционировал буддийский храмовый комплекс.
Analisis Kinerja dan Daya Saing Pada Lulusan Teknik Industri Fakultas Teknik UMJ
Authors: Prasetyawati Meri Prasetyawati , Kosasih Moh
Published: March 2023

Pengukuran kinerja dan daya saing pada lulusan program studi Teknik industri amatlah penting sehingga dapat mengetahui informasi mengenai kekurangan dalam pelaksanaan proses pembelajaran. Dengan adanya informasi tersebut program studi dapat menyusun evaluasi dan rencana strategi tindak lanjut dalam rangka meningkatkan kualitas pendidikan. Metode yang digunakan adalah melalui penyebaran kuesioner kepada alumni dan pengguna lulusan. Laporan Kinerja Program Studi pada akreditasi sembilan kriteria yang terdapat pada kriteria luaran dan capaian tridharma diantaranya mengenai daya saing lulusan terdiri dari waktu tunggu lulusan dan kesesuaian bidang kerja sedangkan kinerja lulusan terdiri dari kepuasan pengguna berdasarkan etika, keahlian pada bidang ilmu, kemampuan berbahasa asing, penggunaan teknologi informasi, kemampuan berkomunikasi, kerjasama tim, pengembangan diri. Hasil pengolahan data waktu tunggu lulusan mendapatkan pekerjaan adalah 1,36 bulan dan kesesuaian bidang kerja pada lulusan sebesar 86%. Tanggapan pihak pengguna terhadap kinerja lulusan integritas sebagian besar dinilai sangat baik 56%, keahlian bidang ilmu profesionalisme sebagian besar dinilai baik 57%, kemampuan bahasa inggris sebagian besar dinilai baik 64%, keahlian penggunaan teknologi informasi sebagian besar dinilai baik 59%, kemampuan komunikasi sebagian besar dinilai baik 53%, kemampuan kerjasama tim sebagian besar dinilai sangat baik 54%, kemampuan pengembangan diri sebagian besar dinilai baik 61%. Hasil rencana tindak lanjut atas daya saing lulusan adalah mensosialisasikan lapangan kerja sesuai dengan bidang teknik industri, membuat kerjasama dengan perusahaan yang dapat memberikan kesempatan lapangan kerja. Sedangkan kinerja lulusan adalah peningkatan integritas oleh unit AIK, menyelenggarakan seminar dibidang teknik industri, melakukan tes toefl, menggunakan ICT, proses pembelajaran PBL
Analisis Pemanfaatan Media Sosial Instagram dalam Mempromosikan Coffee Shop The Dancing Birds
Authors: Novia Jessica , Utami Lusia Savitri Setyo
Published: March 2023

The development of technology is increasingly sophisticated, as are the development of communication facilities and sciences such as social media. One of the business people in the West Jakarta area who uses social media as an online promotion media is Coffee Shop The Dancing Birds. Visitors who come, not only can enjoy the coffee flavor, but they can feel another atmosphere. This study aims to describe more deeply about the use of social media Instagram The Dancing Birds in promoting its business. The author uses marketing communication theory because in that theory there are elements used by the author. This research uses a case study method with a descriptive qualitative approach. The results obtained by The Dancing Birds want customers who come to the coffee shop not just to drink coffee, but they want to educate customers about the beans they choose. The Dancing Birds strives to create content with social media that focuses on uploading photos and videos such as Instagram. The Dancing Birds uses Instagram Ads when their weekly turnover is not met. After the Ads, there will be an increase in turnover of 20-40% per week. This shows that Instagram Ads affect promotional activities so as to create an increase in turnover.

 

Semakin hari perkembangan teknologi semakin canggih, begitu pula perkembangan sarana dan ilmu komunikasi seperti media sosial. Salah satu pelaku bisnis di daerah Jakarta Barat yang menggunakan media sosial sebagai media promosi online adalah Coffee Shop The Dancing Birds. Pengunjung yang datang, tidak hanya dapat menikmati coffee flavor, tetapi mereka dapat merasakan suasana lain. Penelitian ini bertujuan untuk mendeskripsikan lebih dalam tentang pemanfaatan media sosial Instagram The Dancing Birds dalam mempromosikan bisnisnya. Penulis menggunakan teori komunikasi pemasaran karena dalam teori tersebut terdapat unsur yang digunakan penulis. Penelitian ini menggunakan metode studi kasus dengan jenis pendekatan kualitatif deskriptif. Hasil penelitian yang diperoleh The Dancing Birds ingin customer yang datang ke coffee shop bukan hanya sekedar minum kopi saja, tetapi mereka ingin mengedukasi customer tentang beans yang mereka pilih. The Dancing Birds berusaha untuk membuat konten dengan media sosial yang fokus pada pengunggahan foto maupun video seperti Instagram. The Dancing Birds menggunakan Instagram Ads pada saat omzet perminggu-nya tidak terpenuhi. Setelah adanya Ads tersebut, akan ada kenaikkan omzet sebesar 20-40% perminggu-nya. Hal ini menunjukkan Instagram Ads mempengaruhi kegiatan promosi sehingga terciptanya peningkatan omzet.
Pengaruh Endorsement Beauty Vlogger terhadap Minat Beli Produk Kosmetik (Studi Pada Followers Instagram Abel Cantika @abellyc)
Authors: Afiles Fushig Lexys , Pandrianto Nigar
Published: March 2023

This study aims to determine the effectiveness of cosmetology bloggers' approval for interest in purchasing beauty products. This study uses an associative quantitative approach. The population of this survey consists of Instagram followers of @abellyc, with total 1 million followers. The sampling method used in this study is directed sampling. The sample size for this study was 100 calculated using Slovin's formula. A data collection method using questionnaires measured on the likert scale. The data analysis method used was a simple linear regression analysis using SPSS26 software. The result from the data test is Sig. The value is 0.000, the t count is 169.741, and the significance level is & lt. 0.05. Endorsement Beauty Vlogger can be said to have a great influence on the willingness of its followers to buy cosmetics.

 

Tujuan dari penelitian ini adalah untuk mengetahui pengaruh persetujuan beauty vlogger terhadap minat pembelian produk kecantikan. Pengetahuan tentang pengaruh persetujuan beauty vlogger terhadap minat membeli kosmetik. Penelitian ini menggunakan pendekatan kuantitatif asosiatif. Populasi survei ini adalah followers Instagram @abellyc, dengan total 1 juta followers. Metode pengambilan sampel yang digunakan dalam penelitian ini adalah direct sampling. Besar sampel untuk penelitian ini adalah 100 yang dihitung menggunakan rumus Slovin. Metode pengumpulan data menggunakan kuesioner yang diukur dengan skala likert. Metode analisis data yang digunakan adalah analisis regresi linier sederhana dengan menggunakan software SPSS26. Dari hasil yang diperoleh dari pengujian data, Sig. Nilai 0,000, t-value 169,741, dan tingkat signifikansi < 0,05. Dari sini dapat disimpulkan bahwa rekomendasi dari ahli kosmetik berpengaruh besar terhadap minat beli kosmetik.
Pengaruh Konten Instagram @ridistaonline terhadap Minat Beli Konsumen
Authors: Mercius Mercius , Savitri Setyo Utami Lusia
Published: March 2023

CV. Ridista is a company that markets computer accessories with high quality and international standards. Besides CV. Ridista also markets other products related to electronic goods. CV. Ridista who manages the @ridistaonline Instagram account to sell products by advertising through Instagram. The researcher aims to get the results of how much influence @ridistaonline content has on consumer buying interest. The researcher applies a quantitative research approach and uses a survey/questionnaire method. The theories and concepts used in this research consist of Marketing Communication, SOR Theory, social media and Content Characteristics. and consumer buying interest. The results show that there is an influence of Instagram content characteristics on consumer buying interest and there is a correlation between the Instagram content characteristics variable and the consumer buying interest variable of 81.9%. So it can be said that the influence of Instagram content on consumer buying interest @ridistaonline is positive.

 

CV. Ridista adalah bisnis usaha yang berjalan dalam fokus pemasaran aksesoris komputer dengan kualitas tinggi dan berstandar internasional. Selain itu CV. Ridista juga memasarkan produk-produk lain yang berhubungan dengan barang elektronik. CV.Ridista yang mengelola akun Instagram @ridistaonline untuk memperjual produk-produk dengan melakukan iklan melalui Instagram. Peneliti bertujuan untuk mendapatkan hasil seberapa besar pengaruh konten @ridistaonline terhadap minat pembelian konsumen. Peneliti menerapkan pendekatan penelitian kuantitatif dan menggunakan metode survei/angket. Teori dan konsep yang digunakan dalam penelitian ini terdiri dari komunikasi pemasaran, teori SOR, media sosial, serta karakteristik konten dan minat beli konsumen. Hasil menunjukkan bahwa adanya pengaruh karakteristik konten Instagram kepada minat pembelian konsumen serta adanya korelasi antara variabel karakteristik konten Instagram terhadap variabel minat beli konsumen sebesar 81,9%. Maka dapat dikatakan bahwa pengaruh konten Instagram terhadap minat pembelian konsumen @ridistaonline adalah positif.
Analisis Fungsi dan Aktivitas Public Relations di Mall Ararasa BSD
Authors: Bellini Haryadi Verina , Purnama Sari Wulan
Published: March 2023

Ararasa Mal BSD is one of the Mals located in the city of BSD. Ararasa BSD Mal is a Mal that stood right in the middle of the Covid-19 pandemic in Indonesia. This study aims to determine the activities, functions and scope of Public Relations activities carried out by Ararasa Mal BSD in establishing relations with the external and internal public. In this study, researchers used the theory of Public Relations in which it explained the functions and scope of Public Relations. This study uses a qualitative approach, and case study methods. In collecting data, researchers used data collection techniques in the form of interviews, observations and documentation. Researchers used source triangulation techniques in processing research data. The results in this study found that Public Relations activities at Ararasa Mal BSD were carried out online and offline. In addition, in the Public Relations function, Ararasa Mal BSD carries out the functions of communicator, relationship, backup management and good image maker to achieve the goals of Ararasa Mal BSD.

 

Mal Ararasa BSD adalah salah satu Mal yang terletak di kota BSD. Mal Ararasa BSD merupakan Mal yang berdiri tepat ketika pertengahan masa pandemi Covid-19 di Indonesia. Penelitian ini bertujuan untuk mengetahui kegiatan, fungsi dan ruang lingkup aktivitas public relations yang dilakukan Mal Ararasa BSD dalam menjalin relasi dengan publik eksternal dan internal. Dalam penelitian ini, peneliti menggunakan teori Public Relations yang di dalamnya menjelaskan terkait fungsi serta ruang lingkup Public Relations. Penelitian ini menggunakan pendekatan kualitatif dan metode studi kasus. Dalam mengumpulkan data peneliti menggunakan teknik pengumpulan data berupa wawancara, observasi, dan dokumentasi. Peneliti menggunakan teknik triangulasi sumber dalam pengolahan data penelitian. Hasil dalam penelitian ini menemukan bahwa kegiatan public relations di Mal Ararasa BSD dilakukan secara online dan offline. Selain itu, dalam fungsi Public Relations, Mal Ararasa BSD menjalankan fungsi komunikator, hubungan (relationship), backup management dan good image maker untuk mencapai tujuan Mal Ararasa BSD.
Analisis Semiotika Iklan Pariwisata Labuan Bajo
Authors: Fongesta Brigitta Pricilia , Aulia Sisca
Published: March 2023

The wealth and diversity of Indonesia's nature and culture are endless, making so many tourist destinations that can attract local and foreign tourists. One of them is Labuan Bajo, a city in the eastern part of Indonesia that holds a million natural and cultural beauties. This is also illustrated in the wonderful Indonesia YouTube ad entitled An experience awaits you in Labuan Bajo. This research examines the signs contained in the ad. The author uses qualitative methods and data collection with observation data collection methods, literature studies and documentation. The research studied using Charles Sanders Pierce's semiotics has a sign that can be interpreted into a meaning and message. The advertisement describes the natural and cultural charm of Labuan Bajo which can provide a different experience when tourists visit there. The results of YouTube ad analysis using Charles Sander Pierce's semiotic theory represent the diversity of Indonesia's nature and culture that can attract local and foreign tourists to come to Labuan Bajo.

 

Kekayaan dan keberagaman alam serta budaya Indonesia tidak ada habisnya membuat begitu banyak destinasi wisata yang dapat menjadi daya tarik wisatawan lokal maupun mancanegara. Salah satunya adalah Labuan Bajo, kota di bagian timur Indonesia ini menyimpan sejuta keindahan alam dan budaya. Hal ini juga digambarkan dalam iklan Youtube Wonderful Indonesia yang berjudul “An Experience Awaits You in Labuan Bajo”. Penelitian ini meneliti tanda-tanda yang terdapat dalam iklan tersebut. Penulis menggunakan metode kualitatif dan pengumpulan data dengan metode pengumpulan data observasi, studi kepustakaan dan dokumentasi. Penelitian yang dikaji dengan menggunakan semiotika Charles Sanders Pierce mempunyai tanda yang dapat diinterpretasikan menjadi sebuah makna dan pesan. Iklan tersebut menggambarkan pesona alam dan budaya dari Labuan Bajo yang dapat memberikan pengalaman yang berbeda saat wisatawan berkunjung ke sana. Hasil analisis iklan Youtube dengan menggunakan teori semiotika Charles Sander Pierce merepresentasikan keberagaman alam dan budaya Indonesia yang dapat menarik wisatawan lokal maupun mancanegara untuk datang ke Labuan Bajo.
Strategi Komunikasi Pemilik Kucing Selebriti dalam Membangun Personal Branding
Authors: Majid Nurkholis , Azeharie Suzy S.
Published: March 2023

In this study, we analyze the communication strategy for using social media TikTok as a forum for building a personal branding for a celebrity cat owner on the TikTok account @kingvodkagentolet. Personal branding is important for a celebrity to be able to maintain a characteristic that can always be remembered by the public. Therefore, one of the communication strategies helps to maximize the formation of the branding that he builds. The communication strategy is important to be able to communicate the messages conveyed by these celebrities so that the public recognizes them as individuals who have good personal branding. TikTok is an entertainment social media as a means of self-expression for celebrity cat owners to upload all their daily activities with their cats so that this is considered entertaining by the public. Therefore, the purpose of this study is to find out how the communication strategies used by celebrity cat owners can make their cats famous and many big brands invite collaboration through them. This study uses qualitative research methods, with social media theory, TikTok, TikTok celebrities, authentic personal branding, and the circular model of SoMe for Social communication strategy. From the results of the analysis of this study, it is felt that using the TikTok application is easier to get engagement than other applications, the use of TikTok also helps to be recognized by the public more quickly so that it can be said that the use of the TikTok application is considered more effective in getting a wide reach by the owner of a celebrity cat, namely Angelia Dinata.

 

Dalam penelitian ini menganalisis strategi komunikasi penggunaan media sosial TikTok sebagai wadah untuk membangun sebuah personal branding pada seorang pemilik kucing selebriti pada akun TikTok @kingvodkagentolet. Personal branding penting bagi seorang selebriti untuk bisa mempertahankan ciri khas untuk bisa selalu diingat oleh khalayak. Oleh karena itu salah satu strategi komunikasi membantu untuk memaksimalkan pembentukan branding yang ia bangun. Strategi komunikasi merupakan hal penting untuk bisa mengkomunikasikan pesan yang disampaikan oleh selebriti tersebut sehingga khalayak mengenali sebagai individu pemilik personal branding yang baik. TikTok adalah salah satu media sosial hiburan sebagai sarana ekspresi diri sang pemilik kucing selebriti untuk mengunggah segala aktivitas keseharian bersama kucingnya sehingga hal tersebut dinilai menghibur oleh khalayak. Oleh karena itu tujuan dari penelitian ini ialah mengetahui bagaimana strategi komunikasi yang digunakan oleh sang pemilik kucing selebriti untuk bisa membuat kucingnya menjadi terkenal dan banyak jenama besar yang mengajak kerja sama melalui dirinya. Penelitian ini menggunakan metode penelitian kualitatif, dengan teori media sosial, TikTok, selebriti TikTok, authentic personal branding, dan strategi circular model of SoMe for Social communication.
How is India Adapting to Heatwaves? An Assessment of Heat Action Plans with Insights for Transformative Climate Action
Authors: Pillai Aditya Valiathan , Singh Chandni , Patil Sheetal , Dalal Tamanna , Ranjit Nihal , Poonacha Prathijna
Published: March 2023

Extreme heat poses an unprecedented challenge to health and productivity in India. Heatwaves (prolonged periods of extreme heat) have increased in frequency in recent decades due to climate change. Landmark heatwaves (1998, 2002, 2010, 2015, 2022) have each led to large death tolls (according to government estimates) and extensive economic damage by reducing labour productivity and affecting water availability, agriculture and energy systems. Governments across India at the state, district and municipal levels have responded by creating heat action plans (HAPs), which prescribe a variety of preparatory activities and post-heatwave response measures across government departments to decrease the impact of heatwaves. These documents are meant to be iterated upon and refined over time.
Infeksi Ganda Pepper Yellow Leaf Curl Virus dan Chilli Veinal Mottle Virus dalam Menimbulkan Penyakit Daun Kuning Keriting Cabai
Authors: Trisno Jumsu , Jamsari Jamsari , Hidayat Sri Hendrastuti
Published: March 2023

Yellow leaf curl disease is the primary disease in chili plants with up to 100% losses. Detection from the field showed a mixed infection between Geminivirus or Pepper Yellow Leaf Curl Virus (PYLCV) and several viruses, including Chilli Veinal Mottle Virus (ChiVMV) and Cucumber mosaic Virus (CMV). Therefore, this study aimed to determine the role of PYLCV and ChiVMV dual infection in influencing the development of chili yellow leaf curl disease. This study used a completely randomized design (CRD) with six treatments and ten replications. The treatments used were multiple Geminiviruses and ChiVMV infections simultaneously, before ChiVMV co-infection, after Geminivirus infection, single infection and whithout infection viruses. The results showed that the presence of ChiVMV infection before, after, and concurrently with Geminiviruses infection could increase the yellow leaf curl disease intensity and reduce plant height and wet weight growth. The mean scale value of ChiVMV infection before, after, and concurrently with Geminiviruses infection were 3.38, 3.90 and 3.58 compared to single Geminiviruses infection (scale of 3.20) and single ChiVMV (scale of 1.33). The interaction analysis of ChiVMV and geminiviruses infections based on the percentage reduction in plant growth height and wet weight showed additive interaction. ChiVMV co-infection further exacerbated the incidence of yellow leaf curl diseases in chilies.
Antagonism of Indigenous Fungi Collected from the Bamboo Clump against Fusarium sp., the Cause of Fusarium Wilt Disease in Garlic
Authors: Lestiyani Ayu , Fauziah Lia , Sugiyarto Sugiyarto
Published: March 2023

Indigenous fungi can be found around bamboo clumps. This study aimed to identify indigenous fungi isolated from the bamboo clump as biological control agents against pathogenic fungi of Fusarium sp. in garlic. The study was conducted from June to September 2021 at the Laboratory of Pest and Disease Observation, Temanggung Regency, Central Java, Indonesia. The current research design involved the following three steps, (1) Isolation and identification of the pathogenic fungi of Fusarium sp. in garlic, (2) Isolation and identification of indigenous fungi collected from the bamboo clump, and (3) Antagonism test of indigenous fungi isolated from the bamboo clump against Fusarium sp. in-vitro. The results showed that ten species were successfully identified, and five species had the potential as biological control agents against Fusarium sp. in garlic; Penicillium sp., Mucor sp., Aspergillus sp1, Aspergillus sp2, and Tricho-derma sp. Trichoderma sp. revealed the highest antagonism (66.71%), while Penicillium sp. revealed the lowest antagonism (32.925%) against Fusarium sp. Based on their antagonistic potential, Trichoderma sp. showed the highest ability to suppress Fusarium sp. (66.71%), while the lowest one was Penicillium sp. (32.92%).
Formulasi Sedian Gel Ekstrak Etanol Daun Tapak Dara (Catharanthus roseus, (L) G. Don)
Authors: Bunyanis Fitriana , L.Ode Wahyuni
Published: March 2023

Abstrak : Tapak  dara  (Catharanthus  roseus)merupakan  obat  tradisional,  dimana ekstrak baik  dari  daun ataupn  bunga  digunakan sebagai  obat  oleh  masyarakat  pedesaan. Perlu dianalisis sifat gel etanol yang dihasilkan yaitu penampakan gel etanol, viskositas, uji pembakaran, nilai kalor, panas yang dipindahkan, dan analisis warna api yang dihasilkan sehingga bisa kelihatan sediaan terbaik untuk menghasilkan gel etanol. Penelitian bersifat eksperimental dengan memformulasikan ekstrak etanol daun tapak dara (Catharanthus roseus, (L) G. Don)  menjadi sediaan gel. Pada penelitian ini memiliki 3 konsentrasi sediaan yaitu yaitu 0,5%, 1% dan 2%, diperoleh hasil pada perbedaan konsentrasi ekstrak mempengaruhi warna dan bau, semakin tinggi konsentrasi esktrak yang digunakan maka warna dan bau yang dihaasilkan akan semakin kuat, berdasarkan hasil penelitian diperoleh konsentrasi sediaan 2% yang memiliki bau dan warna yang kuat.

Kata Kunci : Tapak  dara  (Catharanthus  roseus), kosentrasi sediaan

Abstract : Tapak dara (Catharanthus roseus) is a traditional medicine, where extracts from either the leaves or flowers are used as medicine by rural communities. It is necessary to analyze the properties of the ethanol gel produced, namely the appearance of the ethanol gel, viscosity, combustion test, calorific value, heat transferred, and analysis of the color of the resulting flame so that it can be seen the best preparation to produce ethanol gel. The research was experimental by formulating the ethanol extract of the leaves of tapak dara (Catharanthus roseus, (L) G. Don) into a gel preparation. In this study, there were 3 concentrations of preparations, namely 0.5%, 1% and 2%, the results obtained that differences in extract concentrations affected the color and odor, the higher the extract concentration used, the stronger the color and odor produced, based on the results of the study. obtained a concentration of 2% preparation which has a strong odor and color.

Keywords: Tapak dara (Catharanthus roseus), concentration of preparation
Active Flow Control in Compressor Cascades with Steady and Pulsed Jets
Authors: Chen Shaowen , Yang Pengcheng , Shi Yuchen , Meng Qinghe
Published: March 2023

This paper describes a detailed experimental investigation into the impact of steady and pulsed blowing on endwall secondary structures and losses in a compressor cascade. Owing to their high configuration flexibility, injection holes are integrated in the cascade sidewalls to manage the secondary flows. Loss reductions of 3.2 and 5.72% relative to the uncontrolled case are achieved by steady blowing with straight and optimized inclined holes, respectively. Superior loss reduction of 7.85% is obtained by pulsed blowing through inclined holes. To identify the secondary flow structures near the endwall and suction surfaces, a self-developed oil visualization method and spatial-spectral analysis are performed. Experimental results show that two concentrated shedding vortices exist in the cascade corner region. Loss reduction is achieved as the blowing suppresses the dominant vortex. Pulsed blowing intensifies the acceleration effect on the boundary layer, resulting in better performance with the same injection velocity. The impact of the pulse frequency on loss generation is investigated, and it is found that the optimal frequency is close to the shedding frequency of the dominant vortex in the cascade corner region.
Implementation of a Map Relative Localization System for Planetary Landing
Authors: Johnson Andrew E. , Cheng Yang , Trawny Nikolas , Montgomery James F. , Schroeder Steven , Chang Johnny , Clouse Daniel , Aaron Seth , Mohan Swati
Published: March 2023

The Mars 2020 Entry, Descent, and Landing (EDL) system successfully delivered the Perseverance rover to Jezero Crater, the most hazardous landing site ever attempted on Mars. To mitigate the risk of landing hazards, which included cliffs, inescapable dune fields, and rocks, a novel terrain relative navigation system was developed and integrated with the heritage Mars Science Laboratory EDL system. First the hazards were identified using orbital imagery and stored on-board the spacecraft as a hazard map. Then, during parachute descent, the Lander Vision System (LVS) estimated map relative position by fusing landmarks matched between descent imagery and a map of the landing site with inertial measurement unit data. Finally, the position estimate and hazard map were then used by the powered descent system to identify and then fly to the safest and reachable landing target. Postflight analysis indicated that all required systems worked much better than predicted. In particular, the fully autonomous LVS generated a position estimate in 10 s that was in error by only a few meters relative to a 40 m requirement. This paper describes the LVS design, how it was tested before launch, and the LVS performance during EDL.
Effects of Shock Waves on Shack–Hartmann Wavefront Sensor Data
Authors: Kalensky Matthew , Kemnetz Matthew R. , Spencer Mark F.
Published: March 2023

Shock waves will form by turning supersonic or locally supersonic flow and result in an increase in the freestream density downstream of the shock. This increase leads to optical distortions that limit the effectiveness of aircraft-mounted laser systems. In this paper, analytic expressions are developed to describe these optical distortions in terms of the optical-path difference (OPD). Pupil-plane disturbances imposed by the shock are studied for two cases: when the shock is parallel to the propagation direction and when the shock is on an angle relative to the propagation direction. Upon propagation from the pupil plane, the analysis shows that shock-induced phase discontinuities can sometimes cause the irradiance pattern in the image plane to bifurcate. Despite a large amount of tilt in the pupil plane, the bifurcated irradiance pattern does not map to a proportional shift in the image plane. The implications that these findings have on Shack–Hartmann wavefront sensor (SHWFS) data are also explored. The results show that least-squares reconstruction from the SHWFS data yield accurate estimates of the change in OPD across the shock when the magnitude of the phase difference [Formula: see text] caused by the shock is between 0 and approximately [Formula: see text]. However, when [Formula: see text], the results show that least-squares reconstruction begins to severely underestimate the change in OPD across the shock. Such results will inform future efforts looking to develop aircraft-mounted laser systems.