Results 31 to 40 of about 727,944 (302)

Direct observation of induction period of MTO process with consecutive pulse reaction system

open access: yes, 2007
The initial transformation of methanol over HZSM-5 catalyst was investigated by a consecutive pulse reaction system. The reactant-catalyst contact time influenced the initial methanol transformation and the performances implied methanol reaction in ...
刘中民   +4 more
core   +1 more source

Investigation of the impact of natural antioxidants found in coffee leaves, yerba mate, and jambolan pulp on the induction period and rate constant of biodiesel oxidation reaction in the presence of metallic ions [PDF]

open access: yesQuímica Nova
The present study describes the antioxidant potential of ethanolic extracts of yerba mate (Ilex paraguariensis), coffee leaves (Coffea arabica) and jambolan pulp (Syzygium cumini Lamarck) when added to biodiesel, with and without chromium (Cr3 ...
Isadora G. Branco   +8 more
doaj   +1 more source

Induction of IFNT-Stimulated Genes by Conceptus-Derived Exosomes during the Attachment Period. [PDF]

open access: yesPLoS ONE, 2016
Biochemical and/or physical communication between the conceptus and the uterine endometrium is required for conceptus implantation to the maternal endometrium, leading to placentation and the establishment of pregnancy.
Keigo Nakamura   +7 more
doaj   +1 more source

The Impact of Curcumin, Gingerol, Piperine, and Proanthocyanidin on the Oxidative Stability of Sunflower and Soybean Oils for Developing Bio-Lubricants

open access: yesLubricants
Vegetable oils can serve as a fundamental raw material for formulating lubricants due to their exceptional lubricating properties, which are indicated by viscosity indexes greater than 100. Vegetable oils, due to their unsaturated fatty acids with one or
Diana-Luciana Cursaru, Dănuța Matei
doaj   +1 more source

MATHEMATICAL MODELING OF THE BIODIESEL OXIDATION PROCESS IN THE PRESENCE OF NATURAL ETHANOLIC EXTRACTS OF JABUTICABA PEELS, GABIROBA LEAVES, AND HIBISCUS FLOWERS [PDF]

open access: yesQuímica Nova
Natural additives with antioxidant properties can be used as biodegradable and sustainable alternatives to synthetic products, because they can inhibit the biodiesel oxidation reaction, increasing oxidative stability and extending its storage period ...
Isadora Guilherme Branco   +6 more
doaj   +1 more source

Radical-Scavenging Activity of Dietary Phytophenols in Combination with co-Antioxidants Using the Induction Period Method

open access: yesMolecules, 2011
The radical-scavenging activity of dietary phytophenols has been investigated by many researches due to their antioxidant, anti-inflammatory and anticancer property but the radical-scavenging effect of 2-phytophenol and the phytophenol:co-antioxidants ...
Seiichiro Fujisawa, Yoshinori Kadoma
doaj   +1 more source

Therapeutic Apheresis in Nigeria: A Multi‐Center Summary of Abstracts From the Inaugural Nigerian Society for Apheresis Scientific Meeting

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Therapeutic apheresis (TA) is an established treatment modality for hematologic, neurologic, and immunologic disorders, yet access remains severely limited in sub‐Saharan Africa. Donor apheresis, including platelet apheresis collection from healthy donors, represents an important complementary modality supporting blood product ...
Nosa Bazuaye   +33 more
wiley   +1 more source

An In-depth Study of Calcium Carbonate Scale Formation and Inhibition [PDF]

open access: yesIranian Journal of Oil & Gas Science and Technology, 2014
A fundamental study of scale formation of calcium carbonate (CaCO3) for producing oil wells has been carried out. This article presents the study of the prediction of salt deposition in two different synthetic formation waters and investigates the ...
Azizollah Khormali   +2 more
doaj   +1 more source

Experience With Performing Rheocarna Therapy via the Single‐Needle Method for Treatment of Chronic Limb‐Threatening Ischemia

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction This study investigated the safety and efficacy of single‐needle Rheocarna therapy for chronic limb‐threatening ischemia (CLTI) with wounds. Methods Six patients with CLTI involving ulcers unresponsive to revascularization underwent single‐needle Rheocarna treatment.
Yasutaka Yamauchi   +9 more
wiley   +1 more source

Right at the start : a research and development agenda for teacher induction

open access: yes, 2003
Recent developments in teacher induction in both England and Scotland are bringing long overdue improvements, but there is a range of issues in need of further exploration if policy is to be developed. Current evaluations have begun to reveal the absence
Jim McNally   +5 more
core   +1 more source

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