Results 11 to 20 of about 1,046,577 (390)

Influence of Microplastics on the Growth and the Intestinal Microbiota Composition of Brine Shrimp

open access: yesFrontiers in Microbiology, 2021
Microplastics (MPs) are ubiquitous in the aquatic environment and can be frequently ingested by zooplankton, leading to various effects. Brine shrimp (Artemia parthenogenetica) has an important role in the energy flow through trophic levels in different ...
Hongyu Li   +10 more
doaj   +1 more source

On the low reinforcing efficiency of carbon nanotubes in high-performance polymer fibres

open access: yesNanocomposites, 2021
Driven by the exceptionally high mechanical properties of carbon nanotubes (CNTs), over the years an extensive research effort has been devoted to the reinforcement of high-performance polymer fibres with CNTs.
Stergios Goutianos, Ton Peijs
doaj   +1 more source

Application of laccase produced by marine actinomycetes in accelerating the rate of biodegradation of polyethylene [PDF]

open access: yesThe Holistic Approach to Environment, 2023
Although plastic is very useful in modern life, its widespread use could impair human sustainability. Improper plastic waste management generates greenhouse gases and harmful waste.
Dhanashree Bhelose, Nagesh Malik
doaj   +1 more source

Aquatic Toxicity of Polyethylene and Microcrystalline Cellulose Microbeads Used as Abrasives in Cosmetics [PDF]

open access: yesChemical and Biochemical Engineering Quarterly, 2023
Microplastics have been part of personal care products for years, but due to microplastic pollution, many companies have replaced microplastics with natural particles, such as microcrystalline cellulose.
M. Miloloža   +3 more
doaj   +1 more source

Numerical modeling transient flow in plastic pipes [PDF]

open access: yesMATEC Web of Conferences, 2019
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]

open access: yesBaspārish, 2015
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

Analysis of Stresses And Strains Distribution of Polyethylene Cups in Hip Joint Endoprosthesis at Various Articular Joints and Friction Conditions [PDF]

open access: yesArchives of Metallurgy and Materials, 2021
The article has been devoted to issues connected with the alloplasty and hip joint endoprostheses, that elements are being developed, which is supported by strength, tribological tests on used biomaterials, incl.
K. Mordal, A. Szarek
doaj   +1 more source

Biodegradation of polyethylene: a brief review

open access: yesApplied Biological Chemistry, 2020
Plastic waste management and recycling became a serious global issue as it affects living beings from all the ecosystems. Researchers investigated biodegradation of polyethylene (PE) by measuring changes in various physico-chemical and structural ...
Sunil Ghatge   +3 more
semanticscholar   +1 more source

High Melting Point of Linear, Spiral Polyethylene Nanofibers and Polyethylene Microspheres Obtained Through Confined Polymerization by a PPM‐Supported Ziegler‐Natta Catalyst

open access: yesChemistryOpen, 2020
In this work, different types of polyethylene (linear, spiral nanofibers and microspheres) were obtained via confined polymerization by a PPM‐supported Ziegler‐Natta catalyst.
Dr. Yu Xiao   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy