Results 51 to 60 of about 4,608,060 (341)

Viscoelastic gels of guar and xanthan gum mixtures provide long-term stabilization of iron micro- and nanoparticles [PDF]

open access: yes, 2012
Iron micro- and nanoparticles used for groundwater remediation and medical applications are prone to fast aggregation and sedimentation. Diluted single biopolymer water solutions of guar gum (GG) or xanthan gum (XG) can stabilize these particles for few ...
A Molfetta Di   +40 more
core   +1 more source

Effects of Micro-silica and Nano-silica on Fresh Properties of Mortar

open access: yesMedžiagotyra, 2017
Like micro-silica (MS), nano-silica (NS) can also be considered as a supplementary cementitious material for production of high-performance mortar and concrete.
Leo Gu LI   +4 more
doaj   +1 more source

Downstream Processing of Amorphous and Co-Amorphous Olanzapine Powder Blends

open access: yesPharmaceutics, 2022
The work evaluates the stability of amorphous and co-amorphous olanzapine (OLZ) in tablets manufactured by direct compression. The flowability and the compressibility of amorphous and co-amorphous OLZ with saccharin (SAC) and the properties of the ...
Nuno F. da Costa   +3 more
doaj   +1 more source

Numerical simulation of the effect of fine fraction on the flowability of powders in additive manufacturing

open access: yes, 2020
Additive manufacturing (AM) is a rapid and flexible technique for the production of metal parts and prototypes from metal powders. The quality of parts manufactured using AM is a strong function of powder physical and mechanical properties. Previous work
Yifei Ma   +3 more
semanticscholar   +1 more source

In Vitro Evaluation of Eslicarbazepine Delivery via Enteral Feeding Tubes [PDF]

open access: yes, 2017
Purpose: The feasibility of preparing an eslicarbazepine acetate suspension using Aptiom tablets for administration via enteral feeding tubes was evaluated.
Dave, Vivek S   +3 more
core   +2 more sources

A Comparative Clinical Study of the Self-Adhering Flowable Composite Resin Vertise Flow and the Traditional Flowable Composite Resin Premise Flowable [PDF]

open access: yesCoatings, 2020
Background. The aim of this research was to carry out a comparative clinical study of a self-adhesive, light-curing composite material called Vertise Flow and a traditional flow material called Premise flowable used in combination with dedicated bonding systems.
Aleksander Maj   +3 more
openaire   +1 more source

Impact of Nano-CaCO3 and PVA Fiber on Properties of Fresh and Hardened Geopolymer Mortar

open access: yesBuildings, 2023
Geopolymer is a green substitute for Portland cement but has low tensile strength, high brittleness and easy cracking. Therefore, fibers and nanomaterials are used to strengthen and toughen geopolymer composites.
Zhe Zhang   +3 more
doaj   +1 more source

Increasing the Batch Size of a QESD Crystallization by Using a MSMPR Crystallizer

open access: yesPharmaceutics, 2022
Quasi-emulsion solvent diffusion (QESD) crystallizations can improve the micromeritic properties of drugs and excipients. A solution is dispersed in a miscible antisolvent as a transient emulsion.
Jerome Hansen, Peter Kleinebudde
doaj   +1 more source

Flowability of High Flowable Concrete with Fly Ash and Lime Powder [PDF]

open access: yesJournal of The Korean Society of Agricultural Engineers, 2006
This study is performed to evaluate flowability of high flowable concrete using ordinary portland cement, crushed coarse aggregate, crushed sand, sea sand, fly ash, lime powder and superplasticizer. The slump flow and air content are increased with increasing the content of lime powder.
Il-Ho Cho, Chan-Yong Sung
openaire   +1 more source

Effect of different granulation processes and powder particle sizes on uniformity of diamond distribution in the mixed powder

open access: yesJin'gangshi yu moliao moju gongcheng
ObjectivesWith the rapid development of diamond tool quality and varieties, the requirements for diamond tool properties are increasingly rigorous, and the uniformity of diamond distribution in diamond tools is an important index affecting its ...
Zhenghui MA   +4 more
doaj   +1 more source

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