Results 151 to 160 of about 2,202 (203)

Enhancing the Drug Release and Physicochemical Properties of Rivaroxaban via Cyclodextrin Complexation: A Comprehensive Analytical Approach. [PDF]

open access: yesPharmaceuticals (Basel)
Solomon C   +13 more
europepmc   +1 more source

Estimating precompression stress of structured soils on the basis of aggregate density and dry bulk density

open access: closedGeoderma, 2006
Abstract Precompression stress is an important criterion in soil mechanics and is often determined at a water content equivalent to a matric potential of − 6 kPa. In German-speaking countries, this matric potential corresponds to field capacity. Yet in order to assess the risk of compaction in arable soils, it needs to be known for a wide range of ...
Jan Rücknagel   +4 more
  +4 more sources

In Situ Subsoil Stress-Strain Behavior in Relation to Soil Precompression Stress

open access: closedSoil Science, 2012
Soil compaction negatively influences many important soil functions, including crop growth. Compaction occurs when the applied stress, R, overcomes the soil strength. Soil strength in relation to com- paction is typically expressed by the soil precompression stress, Rpc. Deformation is assumed to be elastic and reversible as long as R e Rpc.
Thomas Keller   +5 more
openalex   +2 more sources

Determination method and strain-attribute interact in the calculation of precompression stress from soil compression curves

open access: closedBiosystems Engineering, 2021
Determination of soil precompression stress (σp) from compression curves has markedly changed in recent decades, with several available methods of varying complexity. The graphical procedure proposed more than eight decades ago remains a standard, though it is now emulated by statistical and numerical procedures.
Diego Tassinari   +6 more
openalex   +2 more sources

Stress corrosion cracking of Al-Mg-Zn-Cu alloys after precompression

open access: closedJournal of Materials Science, 1981
Stress corrosion cracking (SCC) experiments have been carried out on double-cantilever-beam (DCB) specimens of 7017-T651 aluminium alloy. The specimens were first subjected to a known compressive load which caused plastic deformation at the notch tip.
R. Hermann
openalex   +2 more sources

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