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I pull my battle tested lightweight titanium wheelchair out of my van.
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Five police forces have tested small, lightweight drones as an alternative to traditional air support units, although only one force - Staffordshire - still uses the device.
The tested pretensioned lightweight concrete members exhibit structural insecurity because of the splitting cracks detected after the prestress release.
Finally, after fifteen cycles of sulfate attack test, lightweight mortars evidenced a lower mass loss compared to the reference sample.
We designed, constructed, calibrated and field-tested a lightweight (30 kg), 4.2 m diameter, 16.4 m3 polyethylene-covered dome static chamber ecosystem gas exchange cuvette that can quantify ecosystem CO2 and water vapour fluxes as low as 0.1 μmol CO2 m−2 s−1 and 0.1 mmol H2O m−2 s−1 with little impact on environmental conditions.
The quadcopters have only been tested to carry lightweight goods such as a first aid medicine box.
The approach was tested on the lightweight design of a vehicle subjected to the full-overlap frontal crash.
Both empty cassettes and also cassettes infilled by lightweight insulation were tested.
After being heated to temperatures of 20 °C, 200 °C, 400 °C and 800 °C, respectively, the compressive and splitting tensile strength of lightweight concrete was tested.
This problematic aspect is eliminated by using an all new anisotropic layer design (ALD snowboard which was developed and tested by the Professorship of Lightweight Structures and Polymer Technology (SLK) in cooperation with the Competence Center for Structural Lightweight SLBB e. V.).
Three types of LWSCC were tested containing differing proportions of lightweight and normal weight, coarse and fine aggregates, as well as a normal weight self-consolidating concrete (NWSCC) as a control.
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