Results 21 to 30 of about 371,742 (306)

Analysis of a circular code model [PDF]

open access: yes, 2001
A circular code has been identified in the protein (coding) genes of both eukaryotes and prokaryotes by using a statistical method called Trinucleotide Frequency method (TF method) [Arquès & Michel, (1996) J.Theor. Biol. 182, 45-58].
Lacan, Jérôme, Michel, Christian
core   +1 more source

A Study on the Kinetics and Effects of Three Combustion Fuels on Retort Carbonization of Corn Husk and Cob [PDF]

open access: yesJournal of Renewable Energy and Environment
The drive to move away from fossil fuels and related products has drawn significant attention to biomass and biomass-related products in recent times. This study reports the effect of three forest biomass sources namely acacia auriculiformis, terminalia ...
Mubarak Amoloye   +2 more
doaj   +1 more source

مطالعه رفتار حرارتی و زاویه تماس قطره در چوب‌پلیمر فورفوریله شده صنوبر [PDF]

open access: yesپژوهش های علوم و فناوری چوب و جنگل, 2021
چکیدهسابقه و هدف: چوب پلیمرهای مختلف، ویژگی‌های متفاوتی را در مقایسه با چوب ماسیو دارند، تحقیقات انجام شده تا کنون بیشتر به بررسی تغییرات فیزیکی و مکانیکی ایجاد شده در این فراورده‌ ها پرداخته است از این رو این پژوهش به منظور بررسی رفتار حرارتی و زاویه ...
آیسونا طلائی   +2 more
doaj   +1 more source

Exploring the Role of Modified Vascular Anatomical Molding (MVAM) in Prenatal Diagnosis Teaching and Prognosis Prediction of Fetal Complex Congenital Heart Disease (CCHD): A Preliminary Study

open access: yesInternational Journal of General Medicine, 2023
Peng An,1,2,* Lina Song,1,* Ping Song,3,* Junyan Zhang,1,3 Yong Lin,1,3 Guoyan Feng,1 Junjie Liu3 1Department of Radiology, Xiangyang No.1 People’s Hospital, Hubei University of Medicine, Xiangyang, 441000, People’s Republic of China; 2Hubei ...
An P   +6 more
doaj  

Influence of class F fly ash and silica nano-micro powder on water permeability and thermal properties of high performance cementitious composites

open access: yesScience and Engineering of Composite Materials, 2013
This paper investigates the influence of class F fly ash and silica nano-micro powder on water permeability and thermal properties of high performance concrete (HPC) as one of the most important cementitious composites.
Jalal Mostafa
doaj   +1 more source

Construction and testing of epoxy base self-healing nanocomposite using montmorillonite nanoparticles [PDF]

open access: yesشیمی کاربردی روز, 2019
In this research, it has been tried to construct a self-healing epoxy based nanocomposite using montmorillonite (MMT) nanoparticles. Urea-formaldehyde microcapsules were made using in-situ polymerization in the presence of Montmorillonite nanoparticles ...
Sepideh Khostavan   +4 more
doaj   +1 more source

Prediction of Loss on Ignition of Ternary Cement Containing Coal Bottom Ash and Limestone Using Central Composite Design [PDF]

open access: yes, 2019
The effect of CBA/CBA-L ratio and the cement replacement on the Loss on ignition (LOI) of ternary cement blends was investigated using central composite design approach in the prediction of LOI of ternary cement blend comprising of Ordinary Portland ...
Makarfi, Isa Yusuf   +2 more
core   +2 more sources

Investigation on Mechanical characterization of abutilon indicum fiber nonwoven fabric reinforced epoxy composite materials

open access: yesMaterials Research Express, 2023
Natural fibres find their way into many engineering applications in the automobile and aerospace sectors owing to their eco-friendly nature. Natural fiber produced from agricultural residue, is capable of enhancing the mechanical and thermal properties ...
C M Mohanraj   +3 more
doaj   +1 more source

Stability and Reversibility of Lithium Borohydrides Doped by Metal Halides and Hydrides [PDF]

open access: yes, 2008
In an effort to develop reversible metal borohydrides with high hydrogen storage capacities and low dehydriding temperature, doping LiBH4 with various metal halides and hydrides has been conducted.
Anton, Donald L.   +7 more
core   +1 more source

Synthesis of tripodal catecholates and their immobilization on zinc oxide nanoparticles [PDF]

open access: yes, 2015
A common approach to generate tailored materials and nanoparticles (NPs) is the formation of molecular monolayers by chemisorption of bifunctional anchor molecules. This approach depends critically on the choice of a suitable anchor group.
Gross, Silvia   +7 more
core   +3 more sources

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