Results 21 to 30 of about 3,337,131 (281)

The Impact of Poland’s Energy Transition on the Strategies of Fossil Fuel Sector Companies—The Example of PKN Orlen Group

open access: yesEnergies, 2021
Sustainability and decarbonisation are buzzwords in today’s economy. The fossil fuel sector has had a great impact on development of many countries and it is interesting how this sector is going to survive in the era of climate neutrality imposed by the ...
Joanna Wiśniewska, Joanna Markiewicz
doaj   +1 more source

Analysis of Thermal Stability of CrCN Coatings Deposited on Nitrided Substrates Using Modulated Temperature Thermodilatometry

open access: yesArchives of Metallurgy and Materials, 2017
The aim of the research was to investigate the influence of nitriding of the substrate made of 42CrMo4 steel on thermal stability of the antiwear CrCN coating deposited on its surface using Cathodic Arc Evaporation method.
Mydłowska K.   +5 more
doaj   +1 more source

Intestinal lengthening via mechanical enterogenesis in an infant with short gut syndrome

open access: yesJournal of Pediatric Surgery Case Reports, 2023
Mechanical enterogenesis is the induction of intestinal tissue proliferation through the application of mechanical force. This technique has been shown to induce permanent intestinal growth in studies predominantly involving animal models. There is now a
Taylor N. Anderson   +2 more
doaj   +1 more source

Zoledronic acid inhibits the bone metastasis of breast cancer by repressing exosome-loaded DKK1

open access: yesBangladesh Journal of Pharmacology, 2022
This study is designed to investigate the mechanism underlying zoledronic acid for the bone metastasis of breast cancer. Dickkopf 1 (DKK1) was both expressed in breast cancer cells and exosomes isolated from breast cancer cells.
Bin Bin Song   +4 more
doaj   +1 more source

Expansion of Tick-Borne Rickettsioses in the World

open access: yesMicroorganisms, 2020
Tick-borne rickettsioses are caused by obligate intracellular bacteria belonging to the spotted fever group of the genus Rickettsia. These infections are among the oldest known diseases transmitted by vectors.
Mariusz Piotrowski, Anna Rymaszewska
doaj   +1 more source

Novel solid-phase strategy for the synthesis of ligand-targeted fluorescent-labelled chelating peptide conjugates as a theranostic tool for cancer

open access: yesBeilstein Journal of Organic Chemistry, 2018
In this article, we have successfully designed and demonstrated a novel continuous process for assembling targeting ligands, peptidic spacers, fluorescent tags and a chelating core for the attachment of cytotoxic molecules, radiotracers, nanomaterials in
Sagnik Sengupta   +6 more
doaj   +1 more source

Input Small-Signal Characteristics of Selected DC–DC Switching Converters

open access: yesEnergies, 2022
The main goal of this study was to derive small-signal models of the input characteristics of buck, boost, and flyback converters working in continuous conduction mode (CCM) and discontinuous conduction mode (DCM).
Włodzimierz Janke   +3 more
doaj   +1 more source

Evaluation of time change of the Love k2 and k3 numbers using LAGEOS SLR data [PDF]

open access: yesBiuletyn Wojskowej Akademii Technicznej, 2017
In this paper, we present the estimated Love numbers for degree 2 and 3 (k2 and k3). The determination was based on the Satellite Laser Ranging (SLR) data of LAGEOS-1 and LAGEOS-2 satellites obtained within the period of January 1, 2014 until January 1 ...
Marcin Jagoda   +2 more
doaj   +1 more source

(Table 1) Oxygen isotope temperatures from hydrothermally altered breccias at DSDP Hole 60-453

open access: yes, 1982
Gabbro-metabasalt polymict breccias cored in Deep Sea Drilling Project Hole 453 are cemented in part by hydrothermal alteration to lower greenschist facies (chlorite-epidote-actinolite) mineral assemblages.
Lawrence, James R   +3 more
core   +1 more source

House Resolution 453 [PDF]

open access: yes, 1994
House Resolution 453 written by Alice Hastings.
Hastings, Alice
core   +1 more source

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