Results 31 to 40 of about 149,245 (87)

Evaluation of Pediococcus pentosaceus SP2 as Starter Culture on Sourdough Bread Making

open access: yesFoods, 2020
In the present study, a novel Pediococcus pentosaceus SP2 strain, recently isolated from kefir grains, was evaluated as a starter culture in sourdough bread making.
Stavros Plessas   +2 more
doaj   +1 more source

Problems of Heavy Oil Transportation in Pipelines And Reduction of High Viscosity

open access: yesIraqi Journal of Chemical and Petroleum Engineering, 2015
Drag has long been identified as the main reason for the loss of energy in fluid transmission like pipelines and other similar transportation channels. The main contributor to this drag is the viscosity as well as friction against the pipe walls, which ...
Ayad A. Abdulrazak   +2 more
doaj  

Compósitos de borracha natural com polianilina Composites of natural rubber with polyaniline

open access: yesPolímeros, 2007
Compósitos de borracha natural (Hevea brasiliensis)-BN/polianilina - PANI, com diferentes composições foram obtidos através da polimerização por emulsão do monômero anilina na presença da BN e do ácido dodecilbenzeno sulfônico (DBSA).
Patrini D. Galiani   +3 more
doaj   +1 more source

Estimation of the Rock Mechanical Properties Using Conventional Log Data in North Rumaila Field

open access: yesIraqi Journal of Chemical and Petroleum Engineering, 2012
Hydrocarbon production might cause changes in dynamic reservoir properties. Thus the consideration of the mechanical stability of a formation under different conditions of drilling or production is a very important issue, and basic mechanical properties ...
Wafa Al-Kattan, N. Jasim Al-Ameri
doaj  

A PARTICULAR SOLUTION OF THE TWO AND THREE DIMENSIONAL TRANSIENT DIFFUSION EQUATIONS

open access: yesIraqi Journal of Chemical and Petroleum Engineering, 2011
A particular solution of the two and three dimensional unsteady state thermal or mass diffusion equation is obtained by introducing a combination of variables of the form, η = (x+y) / √ct , and η = (x+y+z) / √ct, for two and three dimensional equations ...
Adel Al-Hemiri
doaj  

Mixed convection in an Horizontal Rectangular Duct Including interior Circular Core with Time periodic Boundary Condition

open access: yesIraqi Journal of Chemical and Petroleum Engineering, 2009
Numerical Investigation was done for steady state laminar mixed convection and thermally and hydrodynamic fully developed flow through horizontal rectangular duct including circular core with two cases of time periodic boundary condition, first case  on ...
Manal H. Al-Hafidh
doaj  

Addition of Super Absorbent Polymer for Upgrading of Cement Quality in Iraqi Oil Wells

open access: yesIraqi Journal of Chemical and Petroleum Engineering, 2016
This study focuses on the use of an optimum amount of Sodium Polyacrylate (SP) for designing cement slurry with the high performance of rheological properties and displacement efficiency. A laboratory study has been carried out on the cement slurry which
Dhorgham Skban Ibrahim   +1 more
doaj  

Permeability Prediction By Classical and Flow Zone Indictor (FZI) Methods for an Iraqi Gas Field

open access: yesIraqi Journal of Chemical and Petroleum Engineering, 2017
The permeability is the most important parameter that indicates how efficient the reservoir fluids flow through the rock pores to the wellbore. Well-log evaluation and core measurements techniques are typically used to estimate it.
Waffa Mustafa Al-Qattan   +1 more
doaj  

Study Approach of Antioxidant Properties in Foods: Update and Considerations

open access: yesFoods, 2017
The assessment of interactions between natural antioxidants and other food matrix components represents the main step in the investigation of total antioxidant properties, in terms of potential health benefits.
Alessandra Durazzo
doaj   +1 more source

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