Results 31 to 40 of about 117,431,911 (302)

A Cyclic Self-Calibration Method Based on a High-Precision Piston and Standard-Meter Water Flow Prover

open access: yesSensors
The standard meter water flow prover is widely used due to its mature technology and high work efficiency. However, the process of sending the standard meter for calibration is not only time-consuming and laborious but also introduces deviations due to ...
Xuemei Geng   +7 more
doaj   +1 more source

Effects of Surface Chemical Properties on the Frictional Properties of Self-Assembled Monolayers Lubricated with Oleic Acid

open access: yesTribology Online, 2012
Self-assembled monolayers (SAMs) of hexadecanethiol (HDT) and 16-mercaptohexadecanoic acid (MHDA) were used to vary the surface chemical properties, and oleic acid (OA) was used as a lubricant. A pin-on-disk tribometer equipped with Fourier transform IR (
Koji Miyake   +6 more
doaj   +1 more source

Measurement Across the Sciences

open access: yes, 2023
This open access book proposes a conceptual framework for understanding measurement across a broad range of scientific fields and areas of application, such as physics, engineering, education, and psychology.
Mari, Luca, Maul, Andrew, Wilson, Mark
core   +1 more source

Method for Non-Contact Measuring the Weight of Sturgeon in Intensive Aquaculture

open access: yesFishes
Weight information plays a pivotal role in sturgeon breeding and production management. However, manual measurement is time consuming and labor intensive due to the immense size of the sturgeon.
Junjie Hu   +5 more
doaj   +1 more source

Remote Sensing of Deformation of a High Concrete-Faced Rockfill Dam Using InSAR: A Study of the Shuibuya Dam, China

open access: yesRemote Sensing, 2016
Settlement is one of the most important deformation characteristics of high concrete faced rockfill dams (CFRDs, >100 m). High CFRDs safety would pose a great threat to the security of people’s lives and property downstream if this kind of deformation
Wei Zhou   +3 more
doaj   +1 more source

In‐situ force measurement during nano‐indentation combined with Laue microdiffraction

open access: yesNano Select, 2021
For the characterization of the mechanical properties of materials the precise measurements of stress‐strain curves is indispensable. In situ nano‐mechanical testing setups, however, may lack the precision either in terms of strain or stress ...
Florian Lauraux   +8 more
doaj   +1 more source

Monitoring of Atmospheric Carbon Dioxide over a Desert Site Using Airborne and Ground Measurements

open access: yesRemote Sensing, 2022
Accurate monitoring of atmospheric carbon dioxide (CO2) is of great significance for studying the carbon cycle. Compared to ground observational sites, airborne observations cover a wider area, which help in effectively monitoring the distribution of CO2
Qin Wang   +6 more
doaj   +1 more source

Sustainable Manufacturing System Focusing on the Natural Growth of Bamboo

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2010
Recently, sustainable materials have attracted attention because of the need to alleviate environmental problems. Bamboo, in particular, has attracted attention as a sustainable material because it has the fastest natural growth rate among various ...
Keiji OGAWA   +4 more
doaj   +1 more source

Acquisition strategies for in-situ hyperspectral imaging of stained-glass windows: case studies from the Swiss National Museum

open access: yesHeritage Science, 2023
Over the last decade, hyperspectral imaging has become a popular technique for the non-invasive identification and mapping of painting materials in many typologies of artworks, thanks to the possibility of obtaining spectral information over the spatial ...
Agnese Babini   +4 more
doaj   +1 more source

An autonomous multisensor in situ metrology system for enabling high dynamic range measurement of 3D surfaces on precision machine tools

open access: yes, 2016
Title on author’s file: An autonomous multisensor in-situ metrology system for enabling high dynamic range freeform measurement capability of precision machine tools2016-2017 > Academic research: refereed > Publication in refereed journal201804_a ...
Cheung, BCF   +3 more
core   +1 more source

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