Results 81 to 90 of about 625,188 (172)

What are Future Curing Lights Technology Trends?

open access: yesČeská Stomatologie a Praktické Zubní Lékařství, 2010
Over the recent years, dental curing lights as well as light-cured materials have been undergoing rapid development, which makes choosing a curing light guaranteeing the optimal polymerization degree difficult.
P. Bradna   +3 more
doaj  

The Effect of Final Cooling Temperature on Nano Cu Precipitation in a Cu-Bearing High-Strength Low-Alloy Steel

open access: yesMetals
Nano Cu precipitation plays a crucial role in significantly improving the performance of the Cu-bearing high-strength low-alloy steel. The final cooling temperature effects the transformation products of austenite during the continuous cooling process ...
Haitao Cui   +5 more
doaj   +1 more source

Hard times with hard water [PDF]

open access: yesNephrology Dialysis Transplantation, 2004
Ralph, Kettritz   +2 more
openaire   +2 more sources

How do chemical properties of the atoms change under pressure

open access: yes, 2015
Abundant evidence has shown the emergence of dramatic new chemical phenomena under pressure, including the formation of unexpected crystal structures and completely new counterintuitive compounds.
Dong, Xiao   +5 more
core  

DEVELOPMENT AND RESEARCH OF THE NEW STEEL 75‘/25ГМФС FOR THE INSTRUMENT OF COLD FORMING

open access: yesЛитьë и металлургия, 2015
The problems of improving tool life of cold deformation. Composition designed and studied mechanical properties of the new tool steel 75H5GMFS, by allowing the application of different types of heat treatment, including high-temperature tempering after ...
V. M. Fedulov
doaj  

INFLUENCE OF QUANTITATIVE ALLOYING OF TOOL STEELS FOR HOT DEFORMATION ON THE LEVEL OF HARDENING

open access: yesЛитьë и металлургия, 2015
The influence of complexly experimental tool steels: C (0,4–0,50%), Si (0,6–1,2%), Mn (0,17–0,8%), Cr (0,8–3%), W (0,9– 4%), Mo (0,01–3.5%) and V (0,28–1,8%) on their ability to hardening due to only high-temperature tempering after induction melting ...
V. N. Fedulov
doaj  

Investigation of water softening using ceramic adsorbents in a continuous adsorption process. [PDF]

open access: yesSci Rep
Danesh E   +5 more
europepmc   +1 more source

Hard Science [PDF]

open access: yesCirculation: Cardiovascular Quality and Outcomes, 2020
openaire   +2 more sources

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