Transesterifikasi Minyak Biji Buta-Buta menjadi Biodiesel pada Katalis Heterogen Kalsium Oksida (CaO) by Muhammad Zaki, Husni Husin, M.T., Pocut Nurul Alam, Darmadi Darmadi, Cut Meurah Rosnelly, Nurhazanah Nurhazanah

“…Karakteristik biodiesel hasil penelitian ini memenuhi sifat-sifat bahan bakar berkualitas tinggi sesuai dengan standar SNI dan ASTM. Proses transesterifikasi minyak biji buta-buta dan metanol menggunakan CaO sebagai katalis basa heterogen layak diaplikasikan secara komersial untuk produksi biodiesel dalam skala industri.…”
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Determination of Tungsten Content in Tungsten Carbide and Waste Product by X-ray Fluorescence Spectrometry with Fusion Sample Preparation by YE Shu-ai, WANG Wei, PU Xu-li, CAI Ji-jie

“…According to the characteristics of tungsten carbide, such as easy oxidation at high temperature, reference to the international standard ASTM B890-07, it can be converted into tungsten trioxide, and the tungsten content can then be detected by melting the sample preparation for X-ray Fluorescence Spectrometry (XRF). …”
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Development of Al-Mg₂Si Alloy Hybrid Surface Composites by Friction Stir Processing: Mechanical, Wear, and Microstructure Evaluation by R. Raja, Ragavanantham Shanmugam, Sabitha Jannet, G. B. Veeresh Kumar, N. Venkateshwaran, K. Naresh, Monsuru Ramoni

“…Dry sliding wear assessments were performed in standard pin-on-disc apparatus as per ASTM G99 guidelines to estimate wear rates. The presence of reinforcement contents and dislocation behavior was investigated using Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) studies. …”
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Exploring the potential of late permian aggregate resources for utilization in engineering structures through geotechnical, geochemical and petrographic analyses by Javid Hussain, Jiaming Zhang, Syed Muhammad Iqbal, Jabir Hussain, Fitriani Fitria, Xiao Lina, Nafees Ali, Sartaj Hussain, Waseem Akram, Mubasir Ali

“…Geotechnical analysis was performed under BS and ASTM standards with the help of employing different laboratory tests. …”
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Finite Element Assessment of a Hybrid Proposal for Hip Stem, from a Standardized Base and Different Activities by Manuel Guzmán, Emmanuel Durazo, Alejandro Ortiz, Israel Sauceda, Miriam Siqueiros, Luis González, David Jiménez

“…A similar stress reduction of 9.98% was obtained using ASTM F2996-13 and ISO 7206–4:2010(E) standards.…”
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Experimental Investigation of the Mechanical Properties of Carbon/Basalt/SiC Nanoparticle/Polyester Hybrid Composite Materials by Krishnasamy Karthik, Devaraj Rajamani, Elumalai Perumal Venkatesan, Mohamed Iqbal Shajahan, Ali A. Rajhi, Abdul Aabid, Muneer Baig, Bahaa Saleh

“…Specimens were prepared and tested as per ASTM standards. Tensile, flexural, impact, and hardness tests were performed on the obtained specimens and average values were obtained. …”
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Performance, combustion and emission reduction characteristics of Metal-based silicon dioxide nanoparticle additives included in ternary fuel (diesel-SMME-iso butanol) on diesel en... by Gandhi Pullagura, Joga Rao Bikkavolu, Srinivas Vadapalli, V. Varaha Siva Prasad, Kodanda Rama Rao Chebattina, Debabrata Barik, Milon Selvam Dennison

“…In addition to this, a stability analysis for the prepared samples was also carried out as per the ASTM standard. From the investigation, it was observed that, when the nanoparticles mixed with ternary fuel (i.e., TFSi60), the brake thermal efficiency (BTE), In-cylinder pressure (ICP), and net heat release rate (NHRR) were improved by about 10.09, 17.4, and 10.73 % respectively. …”
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UV protection properties of workwear fabrics coated with TiO2 nanoparticles by Hadiseh Rabiei, Somayeh Farhang Dehghan, Majid Montazer, Shokooh Sadat Khaloo, Shokooh Sadat Khaloo, Aysa Ghasemi Koozekonan

“…Also, four standards such as ASTM D737, ISIRI 8332, ISIRI 4199, and ISIRI 567 were used for analyzing the intrinsic properties of a textile. …”
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Emission and performance analysis of diesel engine running with CeO2 nanoparticle additive blended into castor oil biodiesel as a substitute fuel by Samuel Tamrat, Venkata Ramayya Ancha, Rajendiran Gopal, Ramesh Babu Nallamothu, Yared Seifu

“…The result of the physio-chemical properties of the oil samples was within the limit of the ASTM standard. The addition of CeO2 nano additive to the biodiesel–diesel blends has demonstrated a significant reduction in emission and increased in engine performance for all biodiesel–diesel blends for the engine operating speed range. …”
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Reusing Dredged Material through Stabilization with So-Called Bio-Enzyme Products by Saeed Rabbanifar, Thi Thuy Minh Nguyen, Qin Qian, Nicholas A. Brake, Kyle Kibodeaux, Harold E. Crochet, Soheil Oruji, Remington L. Whitt, Joshua S. Farrow, Brandon G. Belaire, Paul Bernazzani, Mien Jao

“…Unconfined compressive strength (UCS), compaction and Atterberg limits were measured in accordance with ASTM specifications on all samples. Data show that the addition of bio-enzymes resulted in increases in UCS but did not affect the optimum moisture content (OMC), maximum dry unit weight or Atterberg limits of the DM. …”
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Petrological features of volcanic scoriae from the southern part of the Cameroon Volcanic Line and their supplementary cementations application by Estelle Huguette Ngono Onana, Fuh C. Gentry, Paul-Désiré Ndjigui

“…The scoriae exhibit good pozzolanic reactivity after 28 days according to their considerable amount of amorphous phases, low CaO contents and their large specific surface area. According to ASTM C618 standard, the sum of SiO2, Al2O3 and Fe2O3 (SAI = 65.96–76.34 wt.%); LOI (-0.1–16.99 wt.%), and of CaO, Fe2O3 and MgO (CIM = 23.43–34.06 wt.%) suggest that those less weathered materials seem appropriate as an additive in cement manufacture. …”
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PENGARUH WAKTU PENGELASAN TITIK (SPOT WELDING) TERHADAP KEKERASAN, KEKUATAN GESER DAN DIAMETER NUGGET PADA BAJA SPCEN 1,6 mm by Riantono Rasyid, Novi Sukma Drastiawati

“…This study used an experimental method with a time variable of 1 second, 2 seconds and 3 seconds with standard material SPCEN JIS G 3141, standard hardness testing using DIN 50103 and standard shear testing using ASTM D 1002. equal that is 3.3 mm. The lowest average nugget hardness results are found on steel plates marked with the name ABC, time of 1 second with an average nugget hardness of 116.6 HRB and the highest average nugget hardness is found on GHI steel within 3 seconds with an average nugget hardness of 117 , 9 HRB. …”
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Conditions Optimization and Physiochemical Analysis of Oil Obtained by Catalytic Pyrolysis of Scrap Tube Rubber Using MgO as Catalyst by Riaz Muhammad, Yousaf Ali, Younes Messaddeq, Haroon ur Rashid, Marco Antonio Utrera Martines, Muhammad Naveed Umar, Sher Wali Khan, Ali Riaz

“…Among the physical tests, Density, specific gravity, viscosity, kinematic viscosity, analine point and flash point were determined according to IP and ASTM standard valves. The physical tests indicate the presence of aromatic and olefinic hydrocarbons. …”
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An environmental sustainability roadmap for partially substituting agricultural waste for sand in cement blocks by Sazid Ali Mohammed, Pshtiwan Shakor, Pshtiwan Shakor, Sathvik S., Abishek Rauniyar, L. Krishnaraj, Atul Kumar Singh, Vittoria Laghi

“…In most cases, the concrete blocks made from agricultural waste were strong enough to satisfy ASTM standards. The specimens containing coconut husks and pistachio shells, among others, were found to be fairly strong and durable, even when isolating them from water.…”
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تعیین شرایط بهینه تیمار چوب صنوبر با مالئیک‌انیدرید و ویژگی‌های فیزیکی فرآورده by آزاده نیکخواه شهمیرزادی, مریم قربانی کوکنده, سید مجتبی امینی نسب

“…نمونه‌های آزمونی بر اساس استاندارد ASTM-D4446-05تهیه گردیدند. نمونه‌ها با مالئیک‌انیدرید، به روش خلاء- فشار درسیلندر آزمایشگاهی اشباع شدند و جهت تعیین سطح بهینه دما و زمان در واکنش با مالئیک‌انیدرید، تحت دو سطح دمایی 120 و 150 درجه سانتی‌گراد و در دو زمان 4 و 8 ساعت اصلاح شدند. …”
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Mechanical Characterization of Filler Modified ABS 3D Printed Composites Made via Fused Filament Fabrication by A. C. de Mendonça, D. K. K. Cavalcanti, H. F. M. de Queiroz, J. S. S. Neto, F. J. P. Chaves, M. D. Banea

“…A commercially available 3D printer was used to print tensile and flexural specimens for mechanical characterization as per ASTM standards. The fracture morphology was analysed after tensile testing via optical microscopy in order to evaluate the effect of the fillers on the material deposition and void formation. …”
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Influence on Pitting Corrosion Resistance of AISI 301LN and 316L Stainless Steels Subjected to Cold-Induced Deformation by Paulo M. O. Silva, Mucio C. C. Filho, José A. da Cruz, Antonio J. M. Sales, Antonio S. B. Sombra, João Manuel R. S. Tavares

“…Corrosion tests were carried out, in accordance with the ASTM standards. The results confirm that the 316L steel performed better than the 301LN, regarding pitting corrosion, even when deformed. …”
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Característica físico-química de los gases acompañantes y crudos de la formación veloz superior e inferior en el yacimiento puerto escondido by Roberto Ayllón-Torres, Esperanza Ibarra-Morlaz, Walner Ferro-Gomez, Beatriz Pérez-Barcala

“…Los métodos normados de caracterización físico-química e instrumental (ASTM, IP, ISO) posibilitan que se conozcan las características de crudos y gases acompañantes. …”
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Synthesis of biodiesel from blend of seeds oil-animal fat employing agricultural wastes as base catalyst by Adepoju T. F, H.A. Akens, E.B. Ekeinde

“…The produced biodiesel met the European (DIN EN 14214) and American (ASTM D6751) standard specifications.…”
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Heterogeneous Catalysts Using Strontium Oxide Agglomerates Depositing upon Titanium Plate for Enhancing Biodiesel Production by Han Lee, Wen-Hao Wu, Bing-Hung Chen, Jiunn-Der Liao

“…The physical properties of SrO/TiO₂_P were verified through ASTM D3359; the chemical structures before and after transesterification, were respectively identified by X-ray photoelectron spectroscopy and Raman spectroscopy. …”
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