Results 21 to 30 of about 967,584 (336)

Rheological Properties of Bitumens from the Perspective their Chemical Composition

open access: yesCivil and Environmental Engineering, 2019
The quality of bituminous binders is commonly evaluated by the empirical tests. The functional approach to the evaluation of bitumen properties is a trend that has been applied in the last years.
Remišová Eva   +5 more
doaj   +1 more source

Dielectric properties of calcium-substituted lanthanum ferrite

open access: yesJournal of Asian Ceramic Societies, 2020
Among La1-xCaxFeO3-δ (0 ≤ x ≤ 0.5) compounds, the optimal value of the direct current conductivity was registered for a 20% substituted amount. We therefore attempted to study the impedance and dielectric properties of 20% calcium-substituted lanthanum ...
Refka Andoulsi-Fezei   +3 more
doaj   +1 more source

Extracellular Vesicles Derived from Primary Adipose Stromal Cells Induce Elastin and Collagen Deposition by Smooth Muscle Cells within 3D Fibrin Gel Culture

open access: yesBioengineering, 2021
Macromolecular components of the vascular extracellular matrix (ECM), particularly elastic fibers and collagen fibers, are critical for the proper physiological function of arteries. When the unique biomechanical combination of these fibers is disrupted,
Eoghan M. Cunnane   +4 more
doaj   +1 more source

Motives with modulus, II: Modulus sheaves with transfers for proper modulus pairs [PDF]

open access: yesÉpijournal de Géométrie Algébrique, 2021
We develop a theory of sheaves and cohomology on the category of proper modulus pairs. This complements [KMSY21], where a theory of sheaves and cohomology on the category of non-proper modulus pairs has been developed.Comment: 31 ...
Kahn, Bruno   +3 more
openaire   +5 more sources

Deep anterior lamellar keratoplasty in the management of keratoconus

open access: yesIndian Journal of Ophthalmology, 2013
Advanced cases of keratoconus often require surgical intervention to restore corneal anatomy and improve eyesight. Penetrating keratoplasty (PK) although commonly performed has potential risk of immunological rejection and is now no longer automatically ...
Rajesh Fogla
doaj   +1 more source

First-principles insights on mechanical and electronic properties of TiX (X = C, N) in β-Si3N4 based ceramics [PDF]

open access: yesProcessing and Application of Ceramics, 2016
The mechanical and electronic properties of β-Si3N4, TiC-Si3N4 and TiN-Si3N4 ceramics are investigated using density functional theory implemented with GGA/PBE functional. The pristine β-Si3N4 exhibits fracture for a strain of 10%. However, TiC-Si3N4 and
Harsha Varthan Shanmugakumar   +2 more
doaj   +1 more source

Modulus Stabilization with Bulk Fields [PDF]

open access: yes, 1999
We propose a mechanism for stabilizing the size of the extra dimension in the Randall-Sundrum scenario. The potential for the modulus field that sets the size of the fifth dimension is generated by a bulk scalar with quartic interactions localized on the
E. Witten   +10 more
core   +2 more sources

An Accuracy Problem of the Fwd Time History with Regard to the Application of the Sasw Method

open access: yesCivil and Environmental Engineering, 2017
A Falling Weight Deflectometer (FWD) represents one group of the devices used for diagnostics of pavement bearing capacity. Usually, the FWD dynamic load is substituted by a static load in the evaluation process to determine the equivalent modulus of a ...
Komačka Jozef
doaj   +1 more source

Review of current indications for combined very high fluence collagen cross-linking and laser in situ keratomileusis surgery

open access: yesIndian Journal of Ophthalmology, 2013
In this brief review we will discuss the reasoning and evolution of our current use of combined very high-fluence collagen crosslinking and laser in situ keratomileusis.
Anastasios John Kanellopoulos   +1 more
doaj   +1 more source

Acidic whey as a novel coupling agent for composites based on E-Glass fibers and low-density polyethylene [PDF]

open access: yesمجلة جامعة النجاح للأبحاث العلوم الطبيعية, 2021
In order to enhance the interfacial-adhesion between short E-glass fibers and low-density polyethylene (LDPE), acidic whey; a dairy byproduct was applied as coupling agent.
Shadi Sawalha   +3 more
doaj   +1 more source

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