332 research outputs found

    Experiments on natural convection in water-cooled ribbed channels with different aspect ratios

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    Natural convection heat transfer in vertical ribbed channels, using water as working fluid, has been experimentally studied. The investigation encompassed a large range of the channel aspect ratio, defined as the ratio between channel spacing and channel height, while the wall-to-fluid temperature difference was kept fixed. The measurement of local heat transfer coefficient was facilitated by a non-intrusive diagnostic tool, the schlieren technique, whose use for the quantitative study of liquid flows is rarely documented in the literature. Results provided an insight into the nature of free convection heat transfer from ribbed channels, whose geometry is significant in such several engineering devices as electronic equipment. It was found that a general reduction of heat transfer performance, relative to that of a flat vertical surface or a smooth vertical channel, was induced by the presence of ribs, within the range of the parameters investigated. Local and heat transfer characteristics were sensitive to changes in interplate spacing for small channel aspect ratios. Experimental data, recast in dimensionless form, were in excellent agreement with those obtained by this author in a previous research performed for aircooled channels, using the same experimental technique, the same geometric parameters of the ribbed surface, and a similar Rayleigh number

    PENGGUNAAN NAMA DAERAH SEBAGAI TANDA PEMBEDA DALAM SUATU PRODUK

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    Suatu tanda yang menjadi milik umum  tidak dapat didaftarkan/digunakan sebagai merek suatu produk. Seperti yang digunakan oleh sebuah perusahaan yang menggunakan nama daerah sebagai merek produk kopi yang diberi nama “Kopi Sumba”. Dalam Pasal 20 Undang-Undang Nomor 20 Tahun 2016 tentang Merek dan Indikasi Geografis memuat unsur-unsur yang tidak dapat didaftarkan sebagai merek. Tanda milik umum tidak dapat didaftarkan sebagai merek oleh karena tanda milik umum merupakan suatu tanda yang merepresentasikan khalayak banyak dan secara otomatis tanda tersebut tidak dapat dikuasai secara individual. Tetapi tanda milik umum dapat diterima pendaftarannya melalui rezim indikasi geografis. Menurut penulis seharusnya tanda-tanda yang sudah diketahui menjadi milik umum untuk tidak dijadikan sebagai merek suatu produk oleh karena bertentangan dengan prinsip dalam hukum merek dan indikasi geografis. A sign that has become a public property cannot be registered as a trademark. This article discusses a case in which the name of “Kopi Sumba” is used as a coffee brand product deriving the name of a region ‘Sumba’ by a company. Accordance with Article 20 of Law Number 20 of 2016 concerning Trademarks and Geographical Indications, certain categories cannot be registered as trademarks. One of them is signs of public property, which cannot be registered as trademarks because the sign of public property is a sign representing the public, so it cannot be owned by an individual. In this article, the author argues that public signs should not be used as a trademark of a product because it is against the principles in trademark law and geographical indications

    Fenomena Penggunaan Tanda Baca dalam Artikel Bahasa Arab pada Website BBC News Onine

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    The purpose of this study is to describe language errors in the use of punctuation marks. This qualitative descriptive research method is used by the author to examine the phenomenon of punctuation in Arabic articles on the BBC News Online website. The results of the study indicate that language errors in the BBC News Online news text are errors from the punctuation aspect which consist of errors in the use of colons (:), the use of quotation marks (“...”), the use of commas (, ( and Separate (-) Errors in writing BBC News Online are due to the editor's lack of caution in writing and lack of understanding of the use of punctuation. There are not many errors in the news, only a few, even in the content of this online news on BBC News Online. almost everything right.Tujuan dari penelitian ini untuk mendeskripsikan tentang kesalahan berbahasa dalam penggunaan tanda baca. Metode penelitian deskriptif kualitatif ini yang digunakan oleh penulis dalam meniliti fenomena penggunaan tanda baca dalam artikel bahasa Arab pada website BBC News Online. Dari hasil penelitian menunjukkan bahwa kesalahan berbahasa dalam teks berita BBC News Online ialah kesalahan dari aspek tanda baca yang terdiri dari kesalan penggunaan tanda titik dua (:), penggunaan tanda petik (“...”), penggunaan tanda koma (,( serta tanda pisah (-). Kesalahan dalam penulisan berita online BBC News Online dikarenakan adanya kurang kehati-hatian penyunting dalam menulis dan kurang memahami penggunaan tanda baca. Kesalahan yang terdapat dalam berita tidak banyak cuma beberapa saja, bahkan dalam isi berita online di BBC News Online ini nyaris benar semuanya

    KOMPARASI TANDA KEAGAMAAN DALAM FILM AJARI AKU ISLAM BERDASARKAN PANDANGAN SEMIOTIKA PEIRCE

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    ABSTRACT Indonesia as a compound country has a lot of differences of culture especially in the matter of beliefs. This phenomenon may occur some conflicts including interfaith love prohibition. Ajari Aku Islam has been represented a conflict of interfaith love prohibition in the case between Islam and Confucius. In order to compare the differences of Islam and Confucius, the author employs Charles Sanders Peirce communication semiotic theory. The comparison of these two religion will be begun by marking the culture and religion signs that has been shown in the movie Ajari Aku Islam. The form of the data is verbal signs and visual signs. Then, the signs will be divided into three categories consist of icon, symbol, and index. Lastly, the divided signs will be analyzed with Peirce’s semiotic triadic process. The analyses have found some differences between Islam and Confucius especially in term of the place of praying, the tools used in praying, and the way of praying. Besides, the author also found some culture differences consists of the way of dressing and the way of speaking.  Keywords: Islam, Confucius, Semiotic, Signs ABSTRAK Indonesia sebagai negara majemuk memiliki begitu banyak perbedaan budaya khususnya pada masalah kepercayaan. Fenomena ini mampu memunculkan konflik-konflik termasuk larangan cinta beda agama. Film Ajari Aku Islam telah menggambarkan sebuah konflik cinta beda agama yakni antara agama Konghucu dan Islam. Dalam membandingkan perbedaan antara agama Islam dan Konghucu, penulis menggunakan teori semiotika komunikasi Charles Sanders Peirce. Analisis perbandingan antara agama Islam dan Konghucu akan dimulai dengan menandai tanda-tanda keagamaan dan kebudayaan yang diperlihatkan dalam film Ajari Aku Islam. Data yang digunakan merupakan tanda verbal dan tanda visual. Kemudian, tanda-tanda tersebut akan dibagi menjadi tiga kategori yakni ikon, simbol, dan indeks. Terakhir, tanda-tanda tersebut akan dianalisis menggunakan proses semiotika pada segitiga triadik Peirce. Hasil analisis menemukan beberapa perbedaan antara agama Islam dan Konghucu, khususnya pada beberapa elemen diantaranya seperti tempat ibadah, media peribadatan, dan cara beribadah. Selain itu, penulis juga menemukan beberapa kebudayaan yang berbeda seperti cara berpakaian dan cara berbicara.  Kata Kunci: Islam, Konghucu, Semiotika, Tand

    Penggunaan Tanda Untuk Berdakwah Pada Akun Instagram Punk Muslim

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    Instagram is a part of social media that is used to share photos and videos, both individually and in groups. With the existence of Instagram, this is utilized by the Muslim Punk community for preaching. Punk is one of the subcultures that exist in the world. As subcultural movements always voice their group's journey to society. As seen in the Muslim Punk community that synergizes and operates through the Instagram account @punkmuslim, with a goal that is no longer purely punk but punk that acknowledges their religious identity. (Islam). Instagram has become a platform for preaching for this community. The use of signs within this community has turned Instagram into a field for preaching, a space for discussion, and a place for creation for this Muslim punk community. We can see that punks, who are based on the principles of anti-establishment and rejection of submission, are actually active on social media and submit and adhere to the teachings of Islam. The purpose of this research is to interpret the signs used and played on the Instagram accounts of Muslim Punks. These signs are used by this community to preach to their followers who are not yet familiar with Islam. The method used by the author in this research is the visual analysis method. The elaboration of every existing visual form, which the author then relates to signs. This research uses observational studies on Instagram accounts. The results of this research are descriptions and interpretations of the signs used and played by the Muslim punk community for preaching.Instagram merupakan bagian dari media sosial yang difungsikan untuk berbagi foto dan video perorangan maupun kelompok. Dengan adanya Instagram, hal ini dimanfaatkan oleh komunitas Punk Muslim untuk berdakwah. Punk termasuk salah satu dari bagian subkultur yang ada dunia. Sebagaimana pergerakan subkultur selalu menyuarakan perjalanan kelompoknya kepada masyarakat. Seperti yang terjadi pada komunitas Punk Muslim yang bersinergi dan berjalan melalui akun Instagram @punkmuslim, dengan tujuan yang sudah bukan punk sepenuhnya namun punk yang mengaku bahwa mereka beragama (Islam). Instagram menjadi ladang dakwah untuk komunitas ini. Permainan tanda pada komunitas ini membuat Instagram menjadi ladang dakwah, wadah diskusi dan berkarya bagi komunitas punk muslim ini. Dapat kita lihat bahwa punk yang berlandaskan asas anti kemapanan dan menolak tunduk justru aktif di media sosial serta tunduk dan patuh pada ajaran agama Islam. Tujuan dari penelitian ini adalah untuk membaca tanda-tanda yang digunakan serta dimainkan pada akun Instagram Punk Muslim. Tanda-tanda tersebut digunakan oleh komunitas ini untuk berdakwah kepada pengikutnya yang belum mengenal Islam. Metode yang penulis gunakan dalam penelitian ini adalah metode visual analisis. Penjabaran setiap wujud visual yang ada yang kemudian penulis kaitkan dengan tanda. Penelitian ini menggunakan studi pengamatan pada akun Instagram. Hasil dari penelitian ini merupakan deskripsi serta pembacaaan tanda yang digunakan serta dimainkan oleh komunitas punk muslim untuk berdakwah

    Tanda WAQF dalam Al-Quran Al-Karim : analisis surah Al-Kahfi berdasarkan Rasm Uthmani / Ahmad Farid Fadhli Mustafa

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    This research is conducted in order to study and analyze the relationship between stops in reading in the Qur‟ān and signs in semantic knowledge. In this study, the author reveals the chronology of the publishing of the Qur‟ān by looking at the origin of it‟s writing through history. In this study, the author reviews places to stop reading the Qur‟ān by looking at it‟s use based in the views of the scholars, particularly in the field of Arabic, tajwid, history and others. Therefore the author uses the method of library research in this study, by extracting sentences containing stop signs of reading, in the Qur‟ān to be studied and analyzed. From the result of this study, the author found that there were 43 sentences that contained stop-signs from the Qur‟ān, out of 110 sentences in surah al-Kahf. The author also found that there were four stop-signs being used in reading the Qur‟ān. The overall result of the study, found that stop-signs used in reading the Qur‟ān had little to do with punctuation in common writing. It is seen that more attention was given to the continuation of the story without damaging the meaning in the sentence. Research like this is very important to be brought forward to the community so that they can understand the meaning of the Qur‟ān, exactly based on correct reading

    IDENTIFIKASI TANDA TANGAN MENGGUNAKAN JARINGAN SYARAF TIRUAN BACK-PROPAGATION DAN JARINGAN SYARAF TIRUAN SELF ORGANIZING MAP

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    ABSTRAKSI: Tanda tangan banyak digunakan sebagai sistem identifikasi untuk mengenali seseorang. Pada tugas akhir ini, penulis membuat suatu perangkat lunak untuk membantu mengidentifikasikan tanda tangan seseorang. Algoritma yang akan digunakan merupakan algoritma Jaringan Syaraf Tiruan. Algoritma identifikasi tanda tangan yang digunakan adalah Jaringan Syaraf Tiruan Back-propagation dan Jaringan Syaraf Tiruan Kohonen atau sering disebut Self Organizing Map (SOM). Citra RGB hasil akuisisi, dan sudah dikonversi menjadi citra grayscale perlu dilakukan perbaikan terlebih dahulu sebelum diolah. Proses preprocessing nya sendiri terdiri dari : convert to binary image, menjadikan citra negatif, dan proses cropping. Setelah dilakukan proses pre-processing dan mendapatkan citra tanda-tangan yang memiliki kualitas lebih baik, tahap selanjutnya adalah melakukan ektraksi ciri. Pada tahap ini, citra dibagi-bagi menjadi beberapa baris M dan kolom N. Setiap kotak dilakukan pemayaran pixel dengan matrix model, untuk mendapatkan intensitas kemunculan dari setiap model. Setelah obyek-obyek yang ada berhasil disederhanakan, tahap selanjutnya adalah identifikasi dengan menggunakan metoda Jaringan Syaraf Tiruan Back-propagation dan Jaringan Syaraf Tiruan Self Organizing Map (SOM). Hasil dari identifikasi yang diperoleh adalah sistem dapat mengenali pemilik tanda-tangan, serta mendapatkan arsitektur dan parameter Jaringan Syaraf Tiruan yang terbaik dengan memperhatikan parameter-parameter yang sudah ditentukan. Akurasi yang di dapat dalam pengenalan tanda tangan menggunakan Jaringan Syaraf Tiruan Back-Propagation adalah 81.78%, dengan Jaringan Syaraf Tiruan Self Organizing Map 71.83%.Kata Kunci : identifikasi citra tanda tangan, JST Back-propagation, JST Self OrganizingABSTRACT: Signatures are widely used as an identification system to indentify people. In this final project, the author tried to make application to help identify people signature. The method used here are Neural Network Algorithm. There are two kind of Neural Network used in this final project, they are Backpropagation Neural Network and Self Organizing Map Neural Network. RGB (Red Green Blue) image results acquisition has been converted to grayscale image, and it is need to be repaired before being processed. The pre processing, consist of converting to binary image inverting, and cropping processed. After pre processing and get better quality image, the next step is to conduct feature extraction. At this step, the image divided into M rows and N column. Each square pixel imaging performed with the matrix model, this is do to get the intensity of occurrence of each model. After the objects have successfully simplified, the next step is the identification by using Backpropagation Artificial Neural Network and Self Organizing Map (SOM) Artificial Neural Network. The result of identification is system can recognize the owner signature, as well as getting best architecture and parameter of neural network by due regard the parameters already determined. Accuracy in the signature can be in recognition using Artificial Neural Network Back-Propagation is 81.78%, with a Neural Network Self Organizing Map is 71.83%.Keyword: signature image identification, Back-propagation neural network, Sel

    FUTURE PROJECTIONS OF EXTREME PRECIPITATIONFOR CLIMATE ADAPTATION PLANNING IN THE PO BASIN

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    This paper presents a comparison between the relevant statistics of annual maximum daily rainfall during a historical period, evaluated using data simulated by regional climate models developed within the EURO-CORDEX initiative, and those derived from the same models in future projection periods. The daily data of 17 combinations of general (GCM) and regional (RCM) climate models under two emission scenarios (RCP4.5 and RCP8.5) were considered. The data, available on a grid with resolution of 0.11° (ap-proximately 12.5 km), underwent preliminarily bias correction using the distribution mapping method. This correction is based on historical data from the daily gridded observational dataset E-OBS-0.1 (Cornes et al., 2018) at a resolution of approximately 11 km, covering the whole Europe. The investigated area covers the entire territory under the jurisdiction of the Po River District Basin Author-ity (86861 km2) including areas in French, Switzerland and Austria, and some Adriatic river basins. For each location with available precipitation data, both in the simulation (historical) and in the projection (future) period, probability distributions that best fit annual maximum daily rainfall data were identified, referring to the methodology proposed by Hosking and Wallis (1997), based on dimensionless L-moments. The selection favoured the Generalized Extreme Value (GEV), Generalized Logistic (GLO), Generalized Pa-reto (GPA) and three-parameter lognormal (LN3) distributions. Once the parameters of the four probabil-ity distributions were defined, daily rainfall heights corresponding to specific return periods were evaluated as the arithmetic mean of the quantiles associated with those return period, according to the procedure known as model averaging (Burnham and Anderson, 2002). Then, the percentage change between the pre-cipitation height of a given return period in the projection period and in the historical simulation period was computed for each model. The results presented in this paper refer to the median values derived from the set of 17 models, showing, in the majority of the study area, an increase of the extreme values, more remarkable for the long-term period (2071-2100) and the RCP8.5 scenario. Finally, the comparison between the quantiles derived from the application of climate models in the histori-cal period and those obtained from observed historical data revealed significant discrepancies, suggesting the need for further investigation into the bias correction procedure

    Citra Tanda Smartphone dari Perspektif Gaya Hidup di Kalangan Remaja Kota Binjai

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    The title raised in this research is "Smartphone Sign Image From a Lifestyle Perspective among Teenagers in Binjai City". The image of the sign in modern society is now a very important thing, especially teenagers. Teenagers who really need recognition and want to be recognized by their environment make smartphones as a medium for them to find their identity. In addition, smartphones for teenagers are not only a sophisticated and versatile technology, but also a medium to be able to follow current trends and lifestyles. As a result, the smartphone has become an object that never escapes teenagers. In this study, the author wanted to see how the image of the smartphone sign affects the lifestyle of teenagers in Binjai City. The method used in this research is descriptive with a qualitative approach. In this study interviewed 10 main informants and 4 additional informants. The presentation of the data refers to the consumerist society theory of Jean Baudrillard to show the reality of the Smartphone Sign Image from the Lifestyle Perspective of Teenagers in Binjai City. The results of the study show that smartphones used by adolescents provide two meanings, namely first, the meaning of smartphones from a functional point of view and a symbolic meaning. Smartphones are objects that have meaning for teenagers, namely, first, a sign of modernity, secondly, learning facilities and entertainment media, thirdly a versatile tool, and four objects that can increase self-confidence. In addition, trending smartphones provide an image when used. The resulting images are the image of luxury, the image of social class, the image of enjoyment, the image of benefits and the image of friendship. As a result of using this smartphone, teenagers ultimately have a consumptive lifestyle and waste more time playing social media. Smartphones should be used by teenagers as a supporting tool in facilitating the learning process and using them optimally. In addition, the public should not give excessive social prestige to a smartphone with a certain type and brand.Judul yang diangkat pada penelitian kali ini adalah “ Citra Tanda Smartphone Dari Perspektif Gaya Hidup di Kalangan Remaja Kota Binjai”. Citra tanda pada masyarkat modern saat ini menjadi suatu hal yang sangat penting terkhususnya remaja. Remaja yang sangat membutuhkan pengakuan dan ingin diakui oleh lingkungannya menjadikan smartphone sebagai media bagi mereka menemukan jati diri. Selain itu smartphone bagi remaja bukan hanya sebuah teknologi yang canggih dan serbaguna , tetapi juga merupakan suatu media agar dapat mengikuti trend dan gaya hidup saat ini. Akibatnya smartphone menjadi suatu benda yang tidak pernah luput dari remaja. Dalam penelitian ini , penulis ingin melihat bagaimana citra tanda smartphone mempengaruhi gaya hidup remaja di Kota Binjai. Metode yang digunakan dalam penelitian kali ini adalah deskriptif dengan pendekatan kualitatif. Dalam penelitian ini mewawancarai 10 informan utama dan 4 informan tambahan. Penyajian data mengacu pada teori masyarakat konsumerisme Jean Baudrillard untuk menunjukkan realitas Citra Tanda Smartphone Dari Perspektif Gaya Hidup di Kalangan Remaja Kota Binjai. Hasil dari penelitian menunjukkan bahwa smartphone yang digunakan oleh remaja memberikan dua pemaknaan yakni pertama, pemaknaan smartphone yang dilihat dari sisi fungsional dan pemaknaan dari sisi simbolik. Smartphone merupakan benda yang memiliki makna bagi remaja yakni pertama, tanda kemodernan, kedua sarana belajar dan media hiburan, ketiga alat yang serbaguna ,dan keempat benda yang dapat meningkatkan rasa kepercayaan diri. Selain itu smartphone yang trend memberikan citra saat digunakan. Citra yang dihasilkan yakni citra kemewahan, citra kelas sosial, citra kenikmatan , citra manfaat dan citra persahabatan. Akibat dari penggunaan smartphone ini remaja pada akhirnya memiliki gaya hidup yang komsumtif dan lebih banyak membuang waktu untuk bermain media sosial. Seharusnya smartphone hendaknya dijadikan oleh remaja sebagai alat penunjang dalam memperlancar proses belajar dan digunakan secara optimal. Selain itu masyarakat hendaknya tidak memberikan sosial prestise yang berlebihan terhadap suatu smartphone dengan tipe dan merk tertentu.154 HalamanSkripsi Sarjan

    Implikasi yurіdіs penandatanganan akta dі hadapan notarіs dengan menggunakan tanda tangan elektronіk

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    Indonesia is in an era of globalization, it can be seen by the era of technology that introduced the virtual world (cyberspace, virtual world) through internet networks, communication with electronic media without paper. The development of electronic signature technology has been implemented in Indonesia. The existence of electronic signatures has begun to replace conventional signatures in several places on the grounds of using technology to make it easier. The ІTE Act already guarantees electronic signatures. GMS can be held using electoral media. However, the GMS with electronic media must be approved and signed by the GMS participants. In the notary deed, the minutes of the GMS are included in the release deed. Preparation of a notary deed of the GMS minutes using an electronic system must be signed by all GMS participants. Participants who attend the meeting via video conference can use the signature using the electronic system. Legal Issues in this Research There are unclear norms related to signatures which are described in the Law on Notary Position. This research is normative law research. From the results of the research using the above method, the author obtains answers to the problems regarding the Law of Signing Notary Deeds Using Electronic Signatures. How to cite item: Lubis, N., (2021). Implikasi yurіdіs penandatanganan akta dі hadapan notarіs dengan menggunakan tanda tangan elektronіk. Jurnal Cakrawala Hukum, 12(3), 314-325. doi:https://doi.org/10.26905/idjch.v12i3.5114
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