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Menampilkan 2551–2560 dari 4678 artikel
The effects of heat input and electrode type on the mechanical properties of welded A309 stainless steel using a shielded metal arc welding
Anyanwu, Kingsley Onyekachi
; Nzei, Harrison Ogochukwu
; Onuoha, Chukwudike
; Ehirim, Victor Ikechukwu
This study deals with an experimental study to evaluate the influence of heat and electrode type on the mechanical properties of welded A309 stainless steel using shielded metal arc welding (SMAW). Samples were prepared with a welding angle of 45 deg. Seventy-eight samples made of A309 stainless steel were used in the experiments, in which half of the pieces were welded using A309 electrodes and half with E7018 electrodes. The samples were subjected to a tensile test and Charpy test accordingly....
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Establishing the effectiveness of life cycle assessment to assess the environmental impact of passenger cars using biofuels: A Review
Predictions and decisions made by legislators may be partially or wholly informed by the results of life cycle assessment studies, but the outcomes can vary significantly. This review seeks to establish whether existing life cycle assessment study results are accurate and if there are errors or deficiencies in life cycle inventory databases, chosen methodologies, or choice of life cycle assessment tool that may impact the outcome of life cycle assessment studies. The context of the work is set a...
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Development of a variance model for the prediction of water absorption and thickness swelling for an experimental design pvc reinforced composite pipes
Water absorption is a significant constraint encountered when NFs reinforce polymer matrices. It is the primary cause of the breakdown of the fibre-matrix interface, resulting in swelling of the fibres, loss in the efficiency of load transfer between the matrix and the fibres, and ultimately a reduction in the strength and stiffness of the composites. This study investigated the development of a variance model for predicting water absorption and thickness swelling for an experimental design of P...
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Lighting system automation using a relay based on radio frequency identification tag input and kiosks’ information access with Telegram application in the modern market
Advancements in technology necessitate the swift and efficient management of systems, particularly concerning electricity consumption and information dissemination. To address this, a prototype was developed to automate lighting systems and display kiosk information in modern markets. Key components utilized include an RFID reader, GPS module, NodeMCU ESP8266, and relays, all of which played crucial roles in the functioning of the prototype. The primary objective was to create a device capable o...
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Peningkatan Kemampuan Mengontrol Halusinasi Melalui Terapi Generalis Halusinasi Di RSJD Dr. Arif Zainudin Surakarta
Jurnal Ventilator: Jurnal riset ilmu kesehatan dan Keperawatan
Vol 1
, No 3
(2023)
Background: Hallucinations are false perceptual distortions that occur in maladaptive neurobiological responses, sufferers actually experience sensory distortions as real things and respond accordingly. Hallucination sufferers will find it difficult to distinguish between stimuli that arise from internal sources such as thoughts, feelings, somatic sensations and external impulses and stimuli. According to the World Health Organization 2019 mental disorders around the world, according to data, th...
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Pengaruh Promosi Dan Kelengkapan Produk Terhadap Keputusan Pembelian (Survei Pada Konsumen Prianka.Gallery Tasikmalaya)
Transformasi: Journal of Economics and Business Management
Vol 2
, No 3
(2023)
This study aims to determine the simultaneous and partial effect of Promotion and Product Completeness on Purchase Decisions at Prianka.Gallery Tasikmalaya. The research method used in this study is the causality method with a survey approach. The population in this study is not known with certainty. The sampling technique in this study used Acidental Sampling with a total sample of 100 people who were Prianka.Gallery Tasikmalaya consumers. The type of data used is primary data obtained from que...
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Urgensi Kerja Sama Tentara Nasional Indonesia Dan Forcas Defese Timor Lorosae Dalam Penanggulangan Perdagangan Ilegal Lintas Batas Antara Indonesia Dan Timor Leste
Populer: Jurnal Penelitian Mahasiswa
Vol 2
, No 3
(2023)
The issue of state borders is not only related to state borders but includes land borders, sea borders and air borders which related to economic problems which have an impact on cross-border illegal trade. One of the national borders that has been attracting attention is the border between Indonesia and East Timor. The problem so far has been the increase in illegal trade, particularly the smuggling of fuel oil (BBM).
Considering that the problems that occur in the border area are quite complex,...
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Identifikasi dan Uji Aktivitas Antimikroba Senyawa Kimia Fraksi Air Buah Leunca (Solanum Nigrum L.)
Jurnal Ventilator: Jurnal riset ilmu kesehatan dan Keperawatan
Vol 1
, No 3
(2023)
This study was conducted to determine the antimicrobial effectiveness of chemical compounds from the water fraction of leunca fruit. Leunca fruit extract was obtained by maceration, then the results of maceration were evaporated and then fractionated. Antimicrobial activity testing was carried out using the agar diffusion method against Staphylococcus aureus ATCC 25923, Escherichia coli ATCC 25922 and Candida albicans ATCC 01231. The concentration variations of leunca fruit water fraction used w...
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ANALISIS KORELASI ANTARA JUMLAH PENDUDUK DENGAN IMPOR BERAS INDONESIA
Perwira Journal of Economics and Business
Vol 3
, No 2
(2023)
Indonesia is one of the biggest rice consuming countries in the world. The Indonesian population is very dependent on rice as a staple food. Rice is a staple food that has many problems in stock supply. In order to prevent a food crisis from occurring, the government must pay full attention to providing stock for national consumption needs. Domestic rice production has not been able to meet the needs of national consumption, so the government needs to import rice from outside. The reason why Ind...
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Peningkatan Sifat Mekanik Produk 3D Printing dengan Proses Annealing
Saefudin, Slamet
; Cahyandari, Dini
; Afif, Ilham Yustar
; Raharjo, Samsudi
; Subri, Muh.
; Anwar, Ahmad Nuril
Majalah Ilmiah Momentum
Vol 19
, No 1
(2023)
Teknologi pencetak tiga dimensi Fused Deposition Modeling (3D FDM) memiliki perkembangan yang sangat pesat karena kemudahan penggunaan dalam menghasilkan produk yang komplek secara cepat sesuai harapan. Kemudahan penggunaan dan biaya yang murah menjadikan teknologi FDM banyak diminati di berbagai bidang ilmu maupun teknik. Namun, produk yang dihasilkan dari proses lapis demi lapis pada 3D FDM menjadikan sifat mekanik yang rendah. Tujuan dari penelitian ini adalah untuk menyelidiki peningkatan si...
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