Results 21 to 30 of about 834,750 (329)
Visou-se com este trabalho, comparar a vida útil de presunto fatiado sem capa de gordura (condicionadas à temperatura entre -1 e 4ºC), usando os tratamentos: sistema de embalagem a vácuo (EV) e sistema de embalagem com atmosfera modificada (AM) (50% de ...
Maria Cristina Bressan +5 more
doaj +1 more source
Influence of xylene on the dielectric response of an organoclay-containing nanocomposite
The dielectric effect, investigated using dielectric spectroscopy and DC dielectric breakdown strength measurements, of introducing xylene into a composite system containing polyethylene, a co-polymer of ethylene and vinyl acetate and an organoclay can ...
Allison V. Shaw +3 more
doaj +1 more source
Polyethylene Glycol Camouflaged Earthworm Hemoglobin. [PDF]
Nearly 21 million components of blood and whole blood and transfused annually in the United States, while on average only 13.6 million units of blood are donated. As the demand for Red Blood Cells (RBCs) continues to increase due to the aging population,
Cabrales, Pedro +8 more
core +3 more sources
Research on the Migration and Transformation Behavior of Microplastics in Groundwater Systems and Their Ecological Health Risks [PDF]
A comprehensive approach integrating laboratory column experiments, field monitoring, and adsorption-desorption studies was employed to investigate the migration mechanisms of microplastics (MPs) in groundwater systems and their associated compound ...
Xu Haotian
doaj +1 more source
The Living ROMP of trans-Cyclooctene [PDF]
The living ring-opening metathesis polymerization (ROMP) of trans-cyclooctene (tCO) was investigated. ROMP of tCO in the presence of PPh_3 in THF leads to the formation of narrowly dispersed polycyclooctene (PCO).
Conrad, Rosemary M. +2 more
core +2 more sources
The development of high-performance waterborne polyurethane (WPU) from biomass materials represents a significant issue in green industry. In this work, a rosin-based epoxidized soybean oil polyol (RE) was synthesized via a ring-opening reaction between ...
Tao Zhang +13 more
doaj +1 more source
Numerical modeling transient flow in plastic pipes [PDF]
We present a numerical code for calculating transient flow in plastic pipes, especially in the polyethylene pipe, to analysis effect of material viscoelasticity on water hammer phenomena.
Achak N., Bahrar B., Gueraoui K.
doaj +1 more source
اثر اصلاح کنند ه ها روی فعالیت کاتالیزورهای زیگلر-ناتا و خواص نهایی پلیمر در پلیمرشدن اولفین ها [PDF]
فعالیت کاتالیزور از مهم ترین پارامترها در فرایندهای پلیمرشدن است. برای یک سامانه کاتالیزوریفعالیت ممکن است به شرایط پلیمرشدن از قبیل دما و فشار وابسته باشد.
رضا بازوند +3 more
doaj +1 more source
Rapid, 5 min, low temperature aqueous platinization for plastic substrates for dye-sensitized solar cells [PDF]
This paper reports a rapid (5 min), low temperature (120 C) method to platinize the counter electrodes of dye-sensitized solar cell (DSC) devices. This new method uses aqueous solutions and is based on chemical bath deposition of an activating Pd ...
Anthony, RVE +6 more
core +2 more sources

