Results 101 to 110 of about 14,737 (279)

Novel approaches to determination of PAHs and halogenated POPs in canned fish

open access: yesCzech Journal of Food Sciences, 2011
A simple method is described for simultaneous isolation of 7 indicator polychlorinated biphenyls (PCBs), 10 polybrominated diphenyl ethers (PBDEs), 22 organochlorine pesticides (OCPs), and 16 polycyclic aromatic hydrocarbons (16 EU PAHs).
Lucie Drábová   +7 more
doaj   +1 more source

Removal of some of priority organic pollutants (POPs) in conventionally treated wastewater [PDF]

open access: yes, 2010
The occurrence, the fate and the removal of persistent organicpollutants (POPs) during the conventional treatment processes were assessed and investigated in wastewater treatment plant (WWTP) of 10 th of Ramadan city in thisstudy.
Ali, M., Badawy, M.
core  

In Situ Construction of Cu1+/Cu0 and Cu2+/Cu0 Pairs of Cu‐Based Catalysts for Electrocatalytic Nitrate Reduction

open access: yesAdvanced Science, EarlyView.
CuO and CuPO (Cu2P2O7 and Cu3(PO4)2) as precursors are in suit construction two distinct copper‐based active sites during the NO3RR reaction: Cu1+/Cu0 (derived from CuO) and Cu2+/Cu0 (derived from CuPO). Cu1+/Cu0 is the key to achieving high activity and high selectivity.
Shanna An   +3 more
wiley   +1 more source

Local Improvements to Reduced-Order Approximations of Optimal Control Problems Governed by Diffusion-Convection-Reaction Equation

open access: yes, 2014
We consider the optimal control problem governed by diffusion convection reaction equation without control constraints. The proper orthogonal decomposition(POD) method is used to reduce the dimension of the problem. The POD method may be lack of accuracy
Akman, Tuğba
core   +1 more source

*OH Adsorption‐Mediated Electrochemical Oxidation of 5‐Hydroxymethylfurfural to Selective 2,5‐Furandicarboxylic Acid at pH 12

open access: yesAdvanced Science, EarlyView.
Under the weakly alkaline condition, at pH 12, the *OH adsorption–mediated mechanism of direct aldehyde oxidation is demonstrated to complete HMF oxidation to FDCA, obtaining >95% selectivity and yield. In OH−‐deficient media, high FDCA selectivity is achieved on the CuO/NiOOH interface, a synergistic active site, where Cu enhances *OH utilization, and
Eunchong Lee   +8 more
wiley   +1 more source

Comparison of resumption of ovulation after cessation of oral contraceptives and medroxyprogesterone acetate in women with polycystic ovary syndrome

open access: yesGynecological Endocrinology
Objective Both oral contraceptive pills (OCPs) and cyclic medroxyprogesterone acetate (MPA) are widely used to control menstrual abnormalities in women with polycystic ovary syndrome (PCOS).
Soo Jin Han   +3 more
doaj   +1 more source

Studies of the role of nf-κb in controlling osteoclast differentiation and bone loss [PDF]

open access: yes, 2016
Increased osteoclast (OC) bone resorption and/or decreased osteoblast (OB) bone formation contribute to bone loss in osteoporosis and rheumatoid arthritis (RA).
Yao, Z., Yao, Z.
core  

Electric‐Fish‐Inspired Thin Hydrogel Electrocytes Achieve High Power Density and Environmental Robustness

open access: yesAdvanced Science, EarlyView.
This study presents thin, environmentally stable hydrogel power sources inspired by electric fish. Made using layer‐by‐layer spin‐coating with glycerol‐enhanced solutions, they offer precise layer control, long‐term hydration, and anti‐freezing stability.
Dor Tillinger   +4 more
wiley   +1 more source

Health Risk Assessment Of Persistent Organic Pollutants Through Consumption Of Chicken Meat [PDF]

open access: yes, 2008
Persistent organic pollutants (POPs) are widely dispersed throughout the environment including food. Bahan-bahan pencemar organik persisten (POPs) di dapati tersebar dengan meluasnya di alam sekitar termasuk ...
Abdul Latiff, Zurinah
core  

Laterally Oriented Dendritic Passivation via In Situ Zn Reconstruction for Stabilizing NiMo Catalysts under Dynamic Electrolysis

open access: yesAdvanced Science, EarlyView.
This study highlights the effectiveness of Zn‐induced dendrite layers in enhancing the durability of NiMo HER catalysts under dynamic electrochemical conditions. Through in situ dendritic passivation, the Zn‐NiMo catalyst preserves catalytic active sites and mitigates irreversible Ni oxidation/hydroxylation during repeated load fluctuation.
Taeyoung Jeong   +2 more
wiley   +1 more source

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