Filters
total: 10869
filtered: 4090
-
Catalog
- Publications 4090 available results
- Journals 25 available results
- Conferences 2 available results
- Publishing Houses 2 available results
- People 169 available results
- Inventions 7 available results
- Projects 18 available results
- Laboratories 9 available results
- Research Teams 11 available results
- Research Equipment 50 available results
- e-Learning Courses 1853 available results
- Events 60 available results
- Open Research Data 4573 available results
Chosen catalog filters
displaying 1000 best results Help
Search results for: GOVERNMENT 2.0
-
A giant 2-dimensional dielectric response in a compressed hydrogen-bonded hybrid organic–inorganic salt
Publication -
<title>An optical low-coherence system for 2-dimensional visualization of thin polymer layers</title>
Publication -
Addition of novel benzylmagnesium “ate” complexes of BnR2MgLi type to 2-(thio)pyridones and related compounds
Publication -
Virtual screening for small molecular non-covalent binders of the SARS-CoV-2 main protease
Publication -
Average Structure, Local Structure, Photoluminescence, and NLO Properties of Scheelite Type NaCe(WO4)2
Publication -
Methylation of estrogen receptor 2 (ESR2) in deep paravertebral muscles and its association with idiopathic scoliosis
Publication -
Brassica Napus Florescence Modeling Based on Modified Vegetation Index Using Sentinel-2 Imagery
Publication -
Nutritional behaviors of women and men in Poland during confinement related to the SARS-CoV-2 epidemic
Publication -
Nutritional Behaviors of Women and Men in Poland During Confinement Related to the SARS-CoV-2 Epidemic
Publication -
Osoba bliska w aspekcie przekazywania informacji o stanie zdrowia pacjenta (część 2)
Publication -
Application of the 2-deoxyglucose scaffold as a new chiral probe for elucidation of the absolute configuration of secondary alcohols
Publication -
Hydrothermal modification of wheat starch. Part 2. Thermal characteristics of pasting and rheological properties of pastes
Publication -
Study of impurities in alpha-Al 2 O 3 powders and crystals using EPR spectroscopy
Publication -
First Evidence of Rhombic (NaCl)2-. Ab Initio Reexamination of the Sodium Chloride Dimer Anion
Publication -
The Influence of Synthetic Oxygenates on Euro IV Diesel Passenger Car Exhaust Emissions - Part 2
Publication -
Safety and efficacy of lenabasum in a phase 2 randomized, placebo-controlled trial in adults with cystic fibrosis
Publication -
Neuronal Nitric Oxide Synthase-Mediated Genotoxicity of 2-Methoxyestradiol in Hippocampal HT22 Cell Line
Publication -
Human and Methodological Sources of Variability in the Measurement of Urinary 8-Oxo-7,8-dihydro-2′-deoxyguanosine
Publication -
Evidence for attenuated cellular 8-oxo-7,8-dihydro-2′-deoxyguanosine removal in cancer patients
Publication -
Evaluation of drawability of tailor-welded blanks made of titanium alloys Grade 2 || Grade 5
Publication -
Infection with SARS‐CoV‐2 among children with asthma: evidence from Global Asthma Network
Publication -
Effect of particle size on the flame retardancy of poly(butylene succinate)/Mg(OH)2 composites
Publication -
Psychopathological Symptoms Among Chronically Ill Patients During SARS-CoV-2 Pandemic in Poland
Publication -
SARS-CoV-2 pandemic and the population with dementia. Recommendations under the auspices of the Polish Psychiatric Association
Publication -
Structure and electrochemical reactivity of 3-[tris(2-methoxyethoxy)silyl]-propanethiol adsorbed on silver surface
Publication -
ANALIZA ŁOŻYSKOWANIA MŁYNÓW ORAZ ORAZ OKREŚLENIE SPOSOBÓW I CH MODERNIZACJI ETAP1/2
PublicationCelem pracy było wykonanie analizy warunków pracy łożysk młynów rudy typu MSZC, 41.02, 41.03 oraz 41.04 wraz z określeniem możliwości zwiększenia ich nośności oraz niezawodności poprzez modernizację lub zmianę konstrukcji. Przeprowadzono symulacje komputerowe czterech typów łożysk młynów określając ich nośność, wartości grubości filmu, temperaturę w filmie olejowym, straty tarcia itp. Wykonano również analizę wpływu ukosowania...
-
Human sperm proteins identified by 2-dimensional electrophoresis and mass spectrometry and their relevance to a transcriptomic analysis
Publication -
Performance of the PEM fuel cell module. Part 2. Effect of excess ratio and stack temperature
PublicationThe paper describes a fuel cell based system performance under different thermal conditions. The system could be fed with bottled hydrogen or with very high purity hydrogen obtained from reforming of methanol. The system is based on two fuel cell units (1.2 kW each, produced by Ballard Power Systems Inc. and called Nexa), DC/DC converter, DC/AC inverter, microprocessor control unit, load unit, bottled hydrogen supply system and...
-
Targeting Spike‐ACE2 Interface of SARS‐CoV‐2 and its Omicron Variant: A Comparative Screening of Potential Inhibitors for Existing and Anticipating Variants Using Molecular Modelling Approach
PublicationThe recent COVID pandemic has shown major impact on public health and economic crisis. Despite the development of many vaccines and drugs against the severe acute respiratory syndrome (SARS) coronavirus 2, the pandemic still persists. The continued spread of the virus is largely driven by the emergence of viral variants such as α, β, γ, delta, epsilon spike, omicron and its subvariants (BA.1,2,3) which can evade the current vaccines...
-
Sources and composition of chemical pollution in Maritime Antarctica (King George Island), part 2: Organic and inorganic chemicals in snow cover at the Warszawa Icefield
PublicationThe study area is located on King George Island, where 90% of the area is permanently glaciated. This study provides a comprehensive analysis of the inorganic and organic chemistry of snow cover in the icefield and a comparison against previous results obtained in fresh water. Snow samples were collected in the summer of 2017 in the Warszawa Icefield area. Sampling points are located along two transects: between the Arctowski Polish...
-
Antibiotic resistance and prevalence of class 1 and 2 integrons in Escherichia coli isolated from two wastewater treatment plants, and their receiving waters (Gulf of Gdansk, Baltic Sea, Poland)
PublicationIn this study, antimicrobial-resistance patterns were analyzed in Escherichia coli isolates from raw (RW) and treated wastewater (TW) of two wastewater treatment plants (WWTPs), their marine outfalls (MOut), and mouth of the Vistula River (VR). Susceptibility of E. coli was tested against different classes of antibiotics. Isolates resistant to at least one antimicrobial agent were PCR tested for the presence of integrons. Ampicillin-resistant...
-
Novel 2-alkythio-4-chloro-N-[imino(heteroaryl)methyl]benzenesulfonamide Derivatives: Synthesis, Molecular Structure, Anticancer Activity and Metabolic Stability
PublicationA series of novel 2-alkythio-4-chloro-N-[imino-(heteroaryl)methyl]benzenesulfonamide derivatives, 8–24, were synthesized in the reaction of the N-(benzenesulfonyl)cyanamide potassium salts 1–7 with the appropriate mercaptoheterocycles. All the synthesized compounds were evaluated for their anticancer activity in HeLa, HCT-116 and MCF-7 cell lines. The most promising compounds, 11–13, molecular hybrids containing benzenesulfonamide...
-
Thymine dimer repair by electron transfer from photo-excited 2′,3′,5′-tri-O-acetyl-8-oxo-7,8-dihydroguanosine or 2′,3′,5′-tri-O-acetyl-ribosyluric acid – a theoretical study
Publication -
(S)-trans-cyclohexane-1,2-dicarboximide. Acta Cryst. Sect.C Crystal Struct.Commun.**2002 vol. 58 s. 0661-0662, 2 rys. 2 tab. bibliogr. 12 poz. Imid kwasu (S)-trans-cykloheksanodikarboksylowego.
PublicationAnaliza rentgenograficzna monokryształów imidu kwasu (S)-trans-cykloheksano-dikarboksylowego wykazała, że imidowy chromofor jest znacznie odkształconyod planarności. Fragment pięcioczłonowego pierścienia zawierający funkcjęimidową jest silnie pofałdowany i przyjmuje konformację typu półkrzesła.Pierścień sześcioczłonowy występuje w nieznacznie zniekształconej konforma-cji typu krzesło. W sieci krystalicznej cząsteczki...
-
Deposition and characterization of organic polymer thin films using a dielectric barrier discharge with different C2Hm/N2 (m = 2, 4, 6) gas mixtures
PublicationOrganic polymer thin films have been deposited on Si(100) and aluminum coated glass substrates by a dielectric barrier discharge (DBD) operated at medium pressure using different C2Hm/N2 (m = 2, 4, 6) gas mixtures. The deposited films were characterized by various spectroscopic techniques. Fourier transform infrared reflection absorption spectroscopy (FT-IRRAS) revealed the chemical functional groups present in the films. The surface...
-
Synthesis and molecular structure of novel 2-(alkylthio)-4-chloro-N-(4,5-dihydro-5-oxo-1H-1,2,4-triazol-3-yl)-5-methylbenzenesulfonamideswith potential anticancer activity
PublicationOtrzymano 15 nowych związków: 2-(alkilotio)-4-chloro-N-(4,5-dihydro-5-oxo-1H-1,2,4-triazol-3-yl)-5-metylobenzenosulfonamidów, dla których opracowano nową metodę syntezy. Dla jednej pochodnej wyznaczono strukturę rentgenowską. Związek nr 36 wykazuje wysoką aktywność przeciwnowotworową w stosunku do 13 linii komórek nowotworowych o poziomie GI_50 w zakresie stężeń 1,9-3,0 μM.
-
Positive solutions to fractional differential equations involving Stieltjes integral conditions
PublicationIn this paper, we investigate nonlocal boundary value problems for fractional differential equations with dependence on the first-order derivatives and deviating arguments. Sufficient conditions which guarantee the existence of at least three positive solutions are new and obtained by using the Avery–Peterson theorem. We discuss problems (1) and (2) when argument b can change the character on [0, 1], so in some subinterval I of...
-
Structure-based design and evaluation of novel N-phenyl-1H-indol-2-amine derivatives for fat mass and obesity-associated (FTO) protein inhibition
PublicationFat mass and obesity-associated (FTO) protein contributes to non-syndromic human obesity which refers to excessive fat accumulation in human body and results in health risk. FTO protein has become a promising target for anti-obesity medicines as there is an immense need for the rational design of potent inhibitors to treat obesity. In our study, a new scaffold N-phenyl-1H-indol-2-amine was selected as a base for FTO protein inhibitors...
-
TiO 2 Co x O y composite nanotube arrays via one step electrochemical anodization for visible light–induced photocatalytic reaction
PublicationTiO2CoxOy (x = 1, y = 1 or x = 3, y = 4) composite photocatalysts have been synthesized via one step anodic anodization of TiCo alloys. The effects of the cobalt content in the alloy (5, 10 and 15 wt%), water content (2, 5 and 10%) in the electrolyte solution, and applied voltage (30, 40 and 50 V) during the anodization process on the morphology and surface properties. Additionally, the dependence of cobalt content in the nanotubes...
-
Quasirelativistic potential energy curves and transition dipole moments of NaRb
PublicationWe report on extensive calculations of quasi-relativistic potential energy curves and, for the first time, transition dipole moments including spin-orbit and scalar-relativistic effects of the NaRb molecule. The calculated curves of the 0+, 0-, 1, 2 and 3 molecular states correlate for large internuclear separation with the fourteen lowest atomic energies up to the Na(3s ^2S_{1/2}) + Rb(7s ^2S_{1/2}) atomic limit. Several new features...
-
Fixed point indices of iterates of a low-dimensional diffeomorphism at a fixed point which is an isolated invariant set
PublicationLet f be an R^n-diffeomorphism, where n = 2, 3, for which {0} is an isolated invariant set. We determine all possible forms of the sequences of fixed point indices of iterates of f at 0, {ind(f n, 0)}_n, confirming in R3 the conjecture of Ruiz del Portal and Salazar (J Differ Equ 249, 989–1013, 2010).
-
Mechanisms positioned in a neighbourhood of their singular positions - velocity amplification in the electromagnetic damping. Part 2. Numerical Verification
PublicationPraca prezentuje zagadnienia występujące podczas elektromagnetycznego tłumienia drgań układów mechanicznych. Analizowano zachowania układu ciągłego i jego drgania. Aby przyśpieszyć tłumienie, wprowadzono specjalny dwuramienny mechanizm umieszczony pomiędzy elementem drgającym i elementem tłumiącym drgania. Mechanizm ustawiony jest w pobliżu swojego ustawienia osobliwego. Aby określić potencjalny kierunek zmian prowadzący do poprawić...
-
Analiza konwencjonalnych nośników energii z biomasą do celów grzewczych. Cz. 2. Studium przypadku
PublicationMateriał stanowi kontynuację podjętego przez Autorów problemu. W artykule przedstawiono wyniki analizy ekonomicznej oraz ekologicznej biomasy (pellety), w porównaniu z innymi, powszechnie stosowanymi nośnikami energii (węglem kamiennym, gazem ziemnym, olejem opałowym oraz energią elektryczną wytwarzaną w krajowym systemie elektroenergetycznym – KSE). Powyższą analizę wykonano na przykładzie budynku mieszkalnego, stanowiącego domek...
-
Evaluative analysis of 2- and 3-level DC/DC converters for high-voltage high-power applications
Publication -
Właściwości geomechaniczne skał węglanowych z otworów wiertniczych Mełgiew 2, 3, 4, i 6k
Publication -
Lifestyle changes in patients with morbid obesity and type 2 diabetes mellitus during the COVID-19 pandemic
Publication -
Type 2 Diabetes Remission 5 Years After Laparoscopic Sleeve Gastrectomy: Multicenter Cohort Study
Publication -
Predictors of complete remission of type 2 diabetes in patients over 65 years of age – a multicenter study
Publication -
Effect of CuO and Al 2 O 3 nanoparticle additives on the tribological behavior of fully formulated oils
Publication -
Characterization and cytotoxic effect of aqua-(2,2′,2′′-nitrilotriacetato)-oxo-vanadium salts on human osteosarcoma cells
Publication