Results 161 to 170 of about 159,636 (381)

Study made of pneumatic high pressure piping materials /10,000 psi/ [PDF]

open access: yes, 1967
Evaluations of five types of steel for use in high pressure pneumatic piping systems include tests for impact strength, tensile and yield strengths, elongation and reduction in area, field weldability, and cost.
Loeb, M. B., Smith, J. C.
core   +1 more source

Exploring Impacts of Surface Coatings to Modify Water Uptake and Selectivity within Metal–Organic Nanotubes

open access: yesAdvanced Materials Interfaces, EarlyView.
The surface of a metal–organic nanotube (MONT) is modified by a self‐assembled monolayer (ammonium trifluoroacetate) and polymer coatings, specifically polyvinylidene fluoride and polyacrylonitrile to explore their influence on water adsorption properties in hybrid materials.
Vidumini S. Samarasiri   +2 more
wiley   +1 more source

Heat and Moisture Conduction in Unsaturated Soils [PDF]

open access: yes, 1975
Mathematical models are developed for the prediction of heat transfer from hot water pipes buried in the soil. Heat transfer in the absence of moisture transfer is described as a function of the difference between the temperature of the pipe and the ...
Babcock, R. E., Havens, J. A.
core   +2 more sources

Enhanced Oxygen Evolution Kinetics via Single‐Atom Catalyst Design: A Review

open access: yesAdvanced Materials Interfaces, EarlyView.
Single atom catalysts (SACs) in oxygen evolution reaction (OER). TOC shows key aspects like synthetic strategies, supports‐selection principle, metal types, and OER performances in SACs. Abstract This review highlights recent advancements in enhancing oxygen evolution reaction kinetics through the design of single‐atom catalysts.
Zhen Yuan   +7 more
wiley   +1 more source

A technique for making clean holes in metallic piping and components [PDF]

open access: yes
Testing was conducted to develop a technique of providing clean holes in process piping or in a metal surface accessible from one side only without disassembling the system. The method was performed on sample pieces of piping and worked successfully with
Hecker, T. P.
core   +1 more source

Pengaruh Penyajian Laporan Keuangan, Pemanfaatan Sistem Akuntansi Keuangan, Aksesibilitas Laporan Keuangan , Dan Penggunaan Informasi Keuangan Terhadap Transparasi Dan Akuntabilitas Pengelolaan Keuangan Daerah [PDF]

open access: yes, 2016
Penelitian ini bertujuan untuk menguji secara empiris pengaruh penyajian laporan keuangan daerah, pemanfaatan sistem akuntansi daerah, aksesibilitas laporan keuangan daerah, dan penggunaan informasi keuangan daerah.
RISWIYATI, PIPING
core  

Ultrashort Pulsed Laser‐Assisted Direct Restoration of Human Enamel Using 3D Printable Biocomposite

open access: yesAdvanced Materials Technologies, EarlyView.
The article emphasizes the application of an ultrashort pulsed laser (USPL) system and 3D‐printable biocomposites for the direct‐restoration of human enamel. This technique combines the advantages of laser technology with 3D printing, offering promising clinical potential. The 2D finite element laser‐ablative model developed in this study is consistent
Sarathkumar Loganathan   +5 more
wiley   +1 more source

System remotely inspects, measures, and records internal irregularities in piping [PDF]

open access: yes, 1968
Video electromechanical probe visually inspects and measures internal offset and peaking of welds in relatively large piping. Irregularity dimensions are recorded on peripheral equipment consisting of video tape and X-Y plotter.
Burry, F. H.   +4 more
core   +1 more source

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