Effect of equivalent salt deposit density on flashover voltage of contaminated insulator energized by HVDC

In Malaysia, the demand for electric power is increasing day by day due to more consumption of power in the industrial sector. Recently, the high voltage DC transmission lines are under construction near the coastal environments for transmitting the power to the all states of Malaysia. Therefore, there is a concern about the reliability of these systems especially under adverse environmental conditions due to sea salt spray contamination. This reliability of this contaminated insulator can be improved through its performance studies. For this performance study, an analytical expression between flashover voltage and ESDD of the contaminated insulator has been proposed using Dimensional Analysis technique. The results obtained from the analytical expression are compared with the experimental results and in close agreement are foun

Perancangan Rebranding Martabak Terang Bulan ”Marter Club” Di Surabaya

Marter Club adalah kedai martabak dan terang bulan yang hadir di Surabaya sejak 2015. Marter Club menyajikan berbagai pilihan menu martabak dan terang bulan yang lezat. Marter Club sebenarnya memiliki potensi dan kelebihan dibanding kedai martabak lain, namun keberadaannya masih kurang diperhitungkan dalam masyarakat karena branding yang lemah. Melalui metode penelitian SWOT diketahui kelebihan dan kekurangan dari Marter Club yang menjadi dasar dari perancangan ini. Perancangan ini dibuat untuk menjadi modal Marter Club bersaing dengan kompetitornya. Kelebihan dari Marter Club adalah harga produknya lebih murah dari yang lain dan menggunakan bahan yang alami dan berkualitas sehingga aman untuk dikonsumsi. Untuk menghadapi persaingan, konsep kafe outdoor dengan image Marter Club baru yang dilengkapi dengan fasilitas unik yang mengajak konsumen untuk merasakan pengalaman baru menjadi koki martabak menjadi nilai jual dari branding Marter Club yang baru

Rapid Prototyping and Evaluation for Green Manufacturing

With global awareness of environmental risk and the pressing needs to improve efficiency, manufacturing systems are growing into new concept. Green manufacturing is reflected to employ various green strategies and technique to produce with eco-efficient. Green manufacturing aspects on the machine level were studied in various machining process. On this paper presentsthe green manufacturing review of Rapid Prototyping process. The objective is to evaluate the factors involved in green process of RP.Several comparative RP process respect to green manufacturing criteria are described.Rapid Prototyping process uses three dimensional CAD files to fabricate a physical model. Models are usually made from variety of material such as ABS, rubber and specific metals. Each material has the environment impact during the process and recycling.RP process are known as process not suitable for making direct product. However, lates technology makes it suitableto produce the parts with reasonable cost. For near the future, the utilization of this technology is becoming increasing and green manufacturing effect should be considered.Based on study conducted, several type of RP process is eco-efficient due to amount of waste material produced and environment impact during the process

Perancangan Visualisasi Lagu Daerah Jawa Timur Dengan Teknik Pattern

Indonesia merupakan negara yang kaya akan budaya dan sumber daya alam, akan tetapi kesadaran masyarakat itu sendiri masih kurang untuk mengolah kekayaan tersebut karena berbagai faktor, salah satunya karena persaingan yang cukup ketat dengan produk budaya luar negeri.Teknik pattern merupakan hal yang sudah tidak terlalu asing lagi bagi masyarakat di Indonesia, teknik ini lebih sering dikenal dengan sebutan batik. Perancangan audio visual sebagai visualisasi lagu daerah Jawa Timur merupakan proyek yang menitik beratkan pada penggabungan antara video musik dengan teknik pattern yang terbilang masih baru. Maka dari itu di pilihlah lagu “Cublak – Cublak Suweng” dan “Tanduk Majeng” dari daerah Jawa Timur karena kedua lagu tersebut cukup dikenali dan menarik perhatian. Sesuai dengan makna yang terkandung dalam kedua lagu tersebut maka konsep perancangannya mengacu pada hal-hal yang bernuansa kehidupan di daerah Jawa Timur

Perancangan Buku Cerita Bergambar Tentang Ekosistem Terumbu Karang Bagi Anak-anak Usia 7-9 Tahun Di Surabaya

Terumbu karang merupakan tempat tinggal bagi berbagai makhluk hidup dan mempunyai banyak fungsi yang penting bagi kehidupan. Namun, keadaan terumbu karang di Indonesia semakin memburuk tiap tahunnya dimana pada tahun 2015 sekitar 70 % terumbu karang di Indonesia dalam keadaan rusak sehingga terancam punah. Perancangan buku ini dibuat menggunakan metode kuantitatif berupa kuesioner dan pengumpulan melalui dokumentasi buku, internet, dan media massa dimana berdasarkan hasil analisa data yang didapatkan, disimpulkan bahwa 86,5% anak belum pernah mendapat edukasi tentang terumbu karang. Isi cerita buku ini memuat hal-hal yang menyebabkan kerusakan terumbu karang serta dampaknya. Dengan adanya perancangan buku cerita bergambar ini, anak-anak akan mendapatkan wawasan tentang ekosistem terumbu karang dan sadar akan pentingnya menjaga kelestarian terumbu karang

PENERAPAN WEB PROXY DAN MANAGEMENT BANDWIDTH MENGGUNAKAN MIKROTIK ROUTERBOARD PADA KANTOR POS PALEMBANG 30000

The Palembang 30000 POS office which is supported by information technology has a computer network that is directly connected to the ISP (Internet Service Provider) which has a bandwidth allocation of 20 Mbps. The problem at the Palembang 30000 POS Office is that there is no web proxy and Bandwidth Management application, so employees can access various sites that interfere with employee performance and employees who use the internet for free result in uneven bandwidth usage. The purpose of this study is to implement a web proxy and bandwidth management, so that the bandwidth is evenly distributed, therefore it is necessary to divide the bandwidth using a proxy routerboard, the method used for bandwidth distribution is using the simple queue method. By implementing a web proxy, it can control internet usage and block website sites that have the potential to interfere with employee performance, by making bandwidth management able to limit bandwidth usage and share bandwidth equally on each client, so internet access is now running more stable.The Palembang 30000 POS office which is supported by information technology has a computer network that is directly connected to the ISP (Internet Service Provider) which has a bandwidth allocation of 20 Mbps. The problem at the Palembang 30000 POS Office is that there is no web proxy and Bandwidth Management application, so employees can access various sites that interfere with employee performance and employees who use the internet for free result in uneven bandwidth usage. The purpose of this study is to implement a web proxy and bandwidth management, so that the bandwidth is evenly distributed, therefore it is necessary to divide the bandwidth using a proxy routerboard, the method used for bandwidth distribution is using the simple queue method. By implementing a web proxy, it can control internet usage and block website sites that have the potential to interfere with employee performance, by making bandwidth management able to limit bandwidth usage and share bandwidth equally on each client, so internet access is now running more stable

Complex and unexpected dynamics in simple genetic regulatory networks

Peer reviewedPublisher PD

The Challenges and Opportunities in the Implementation of E-learning for Competence Development of State Civil Apparatus

Despite its common utilization in developed countries, e-Learning is relatively new in intensive ASN training in Indonesia. The utilization of e-Learning has increased sharply due to the Covid-19 response protocol that imposes restrictions on physical interaction. This study aims to reveal the challenges and opportunities in implementing e-learning in ASN training in Indonesia during this pandemic. This study applied a descriptive approach. The quantitative data was collected through surveys, while the qualitative data was collected through interviews. The data were obtained from widyaiswara (trainers), organizers, participants, and alums of the 2020 CPNS Basic Training held at the ASN Cadre Development Center of the National Institute of Public Administration (LAN). The findings show that widyaiswara, organizers, and participants, in general, can adapt to e-Learning, even though it is relatively new and sudden and apt to have several challenges. The adaptability results in the excellent progress of the training initially designed with the classical model. It implies the existence of opportunities to overcome several difficulties identified to ensure that e- Learning can become an integral part of the ASN training system in Indonesia

Genomic mining of prokaryotic repressors for orthogonal logic gates

Genetic circuits perform computational operations based on interactions between freely diffusing molecules within a cell. When transcription factors are combined to build a circuit, unintended interactions can disrupt its function. Here, we apply 'part mining' to build a library of 73 TetR-family repressors gleaned from prokaryotic genomes. The operators of a subset were determined using an in vitro method, and this information was used to build synthetic promoters. The promoters and repressors were screened for cross-reactions. Of these, 16 were identified that both strongly repress their cognate promoter (5- to 207-fold) and exhibit minimal interactions with other promoters. Each repressor-promoter pair was converted to a NOT gate and characterized. Used as a set of 16 NOT/NOR gates, there are >10[superscript 54] circuits that could be built by changing the pattern of input and output promoters. This represents a large set of compatible gates that can be used to construct user-defined circuits.United States. Air Force Office of Scientific Research (Award FA9550-11-C-0028)American Society for Engineering Education. National Defense Science and Engineering Graduate Fellowship (32 CFR 168a)United States. Defense Advanced Research Projects Agency. Chronical of Lineage Indicative of Origins (N66001-12-C-4016)United States. Office of Naval Research (N00014-13-1-0074)National Institutes of Health (U.S.) (GM095765)National Science Foundation (U.S.). Synthetic Biology Engineering Research Center (SA5284-11210

Stable Maintenance of Multiple Plasmids in E. coli Using a Single Selective Marker

Plasmid-based genetic systems in Escherichia coli are a staple of synthetic biology. However, the use of plasmids imposes limitations on the size of synthetic gene circuits and the ease with which they can be placed into bacterial hosts. For instance, unique selective markers must be used for each plasmid to ensure their maintenance in the host. These selective markers are most often genes encoding resistance to antibiotics such as ampicillin or kanamycin. However, the simultaneous use of multiple antibiotics to retain different plasmids can place undue stress on the host and increase the cost of growth media. To address this problem, we have developed a method for stably transforming three different plasmids in E. coli using a single antibiotic selective marker. To do this, we first examined two different systems with which two plasmids may be maintained. These systems make use of either T7 RNA polymerase-specific regulation of the resistance gene or split antibiotic resistance enzymes encoded on separate plasmids. Finally, we combined the two methods to create a system with which three plasmids can be transformed and stably maintained using a single selective marker. This work shows that large-scale plasmid-based synthetic gene circuits need not be limited by the use of multiple antibiotic resistance genes