نتایج جستجو برای: dispersant

تعداد نتایج: 633  

Journal: :Neuron 2010
Ann Y.N. Goldstein Thomas L. Schwarz

Tight control of synapse formation ensures that neurons connect to appropriate targets. In this issue of Neuron, Klassen et al. identify ARL-8 GTPase as a regulator of presynaptic assembly. Without ARL-8, presynaptic material aggregates en route to its destination, suggesting that ARL-8 acts like a dispersant to prevent premature synaptic assembly in the axon.

behrooz movahedi, G. Kafili M. Milani

In this study, the effect of slip casting parameters on the ultrafine microstructure and the density of pore-free YAG ceramic was evaluated. A stable, high concentrated aqueous YAG slurry using Dolapix-CE64 as a dispersant was prepared. The effect of dispersant concentration as well as the solid load on the stability and rheological behavior of the slurry was also studied. The optimal dispersan...

Journal: :Deep-sea research. Part II, Topical studies in oceanography 2016
Benjamin J Place Matt J Perkins Ewan Sinclair Adam L Barsamian Paul R Blakemore Jennifer A Field

After the April 2010 explosion on the Deepwater Horizon oil rig, and subsequent release of millions of barrels of oil, two Corexit oil dispersant formulations were used in unprecedented quantities both on the surface and sub-surface of the Gulf of Mexico. Although the dispersant formulations contain four classes of surfactants, current studies to date focus on the anionic surfactant, bis-(2-eth...

2013
Jin Gu Jeffrey M Catchmark

BACKGROUND Polylactic acid (PLA) is considered to be a sustainable alternative to petroleum-based polymers for many applications. Using cellulose fiber to reinforce PLA is of great interest recently due to its complete biodegradability and potential improvement of the mechanical performance. However, the dispersion of hydrophilic cellulose fibers in the hydrophobic polymer matrix is usually poo...

Journal: :Chemical communications 2013
Ya Yan Baoyu Xia Xiaoying Qi Haibo Wang Rong Xu Jing-Yuan Wang Hua Zhang Xin Wang

A novel electrocatalyst of layered MoS2 supported on reduced graphene oxide (RGO) decorated with nano-sized tungsten carbide (WC) shows an enhanced catalytic performance in the hydrogen evolution reaction, which could be attributed to the presence of a conductive and electrocatalytically-active nano-WC dispersant and the positive synergistic effect between nano-WC/RGO and layered MoS2.

Journal: :Advances in transdisciplinary engineering 2022

In this paper, the preparation process of low viscosity light curing silicon oxide ceramic slurry and properties sintered samples were studied. By studying effects type concentration dispersant solid content powder on stability slurry, with viscosity, high good was prepared. The ceramics verified by compressive strength, shrinkage test SEM observation. results show that stearic acid as dispersa...

Journal: :Frontiers in Marine Science 2021

Resource extraction from the ocean comes with ecosystem-wide risks, including threats to its biota such as habitat forming corals that support elevated biomass and biodiversity. Despite catastrophic incidents like Deepwater Horizon oil spill (DWHOS) disaster occurred in 2010, offshore gas drilling continues occur around world. Previous work investigating toxicity of chemical dispersant used an ...

Journal: :Journal of Nigerian Society of Physical Sciences 2022

In this study, the physicochemical characteristics of crude oil, dispersant and oil-dispersant test systems their toxicities on representative marine organisms in a simulated ecosystem was assessed. Mechanically dispersed oil-in-water system (MDO) its water accommodated fraction (WAF) alone, combination with third generation (D) (Ecobest®), which gave rise to chemically (CDO) (CEWAF), as well r...

Journal: :Journal of the Society of Powder Technology, Japan 2010

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