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Search results for: SAL
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Classification of submandibular salivary stones based on ultrastructural studies
PublicationIntroduction: Sialolithiasis remains a clinical problem with unclear etiopathogenesis, lack of prevention methods, and only surgical treatment. Materials and methods: An ultrastructure examination of submandibular sialoliths obtained from patients with chronic sialolithiasis was conducted using a scanning electron microscope and X‐ray photoelectron spectroscopy. Results: Based on the results, we divided sialoliths into three types:...
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Environmental degradation of titanium alloy in artificial saliva
PublicationThe titanium and its alloys are potentially prone to hydrogen embrittlement, including those proposed for dental implants. The research has been aimed to assess a susceptibility to environment-enhanced degradation of the Ti-13Zr-13Nb alloy in artificial saliva with or without hydrofluoric acid, subject or not to cathodic polarisation. The results have shown that even if artificial saliva is safe environment, both cathodic polarization...
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Marinating and Salting of Herring, Nitrogen Compounds’ Changes in Flesh and Brine
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Korekta akustyczna sali wykładowej Politechniki Lwowskiej
PublicationPraca omawia korektę akustyczną sali wykładowej, cechującą się dużą pogłosowością i małą zrozumiałością mowy. Sala znajduje się w zabytkowym budynku. Przedstawiono kroki prowadzące do poprawy akustyki, z uwzględnieniem ograniczeń wynikających z historycznego charakteru sali.
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Membrane Distillation of Saline Water Contaminated with Oil and Surfactants
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Electrochemical Production of Sodium Hypochlorite from Salty Wastewater Using a Flow-by Porous Graphite Electrode
PublicationThe production of sodium hypochlorite (NaOCl) from salty wastewater using an electrochemical cell has several advantages over other methods that often require hazardous chemicals and generate toxic waste, being more sustainable and environmentally friendly. However, the process of producing sodium hypochlorite using an electrochemical cell requires careful control of the operating conditions, such as the current density, flow rate,...
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Styrene Oxidation by Copper(II) Complexes Salen-Type Encapsulated into Nay Zeolite
PublicationThe copper(II) complex with a Schiff-base salen-type ligand has been encapsulated in the nanopores of a NaY zeolite by using two different methodologies, the flexible ligand and in situ complex preparation methods. The encapsulated and non-encapsulated copper(II) complexes were screened as catalysts for styrene oxidation by using TBHP as the oxygen source in acetonitrile solvent. Under the optimized conditions, the catalysts exhibited...
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Trading costs, short sale constraints, and the performance of stock market anomalies in Emerging Europe
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Influence of salinity on the consistency and swelling characteristics of bentonite
PublicationRaport z badań eksperymentalnych odnośnie konsystencji bentonitu (wskaźniki plastyczności, stopień plastyczności) i zjawiska pęcznienia (ciśnienie pęcznienia) przedstawiono w zależności od różnych poziomów zasolenia wody.
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The role of bile salts in digestion
PublicationBile salts (BS) are bio-surfactants present in the gastrointestinal tract (GIT) that play a crucial role in the digestion and absorption of nutrients. The importance of BS for controlled release and transport of lipid soluble nutrients and drugs has recently stimulated scientific interest in these physiological compounds. BS are so-called facial amphiphiles showing a molecular structure that is very distinct from classical surfactants....
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Akustyka sali widowiskowej z zainstalowanym systemem elektroakustycznym
PublicationW referacie przedstawiono i omówiono wyniki pomiarów podstawowych parametrów akustycznych sali widowiskowej w Domu Kultury. Sala, w obrysie prostokątna, posiada 250 miejsc. W szczególności skonfrontowano wyniki pomiarów uzyskane przy pobudzeniu poprzez zainstalowany w niej system system elektroakustyczny z wynikami uzyskanymi przy klasycznej metodzie z pobudzeniem pojedynczym źródłem impulsu - strzałami z pistoletu startowego....
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Completing Autophagy: Formation and Degradation of the Autophagic Body and Metabolite Salvage in Plants
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Salt stress vs. salt shock - the case of sugar beet and its halophytic ancestor
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Adjusting the Stiffness of Supports during Milling of a Large-Size Workpiece Using the Salp Swarm Algorithm
PublicationThis paper concerns the problem of vibration reduction during milling. For this purpose, it is proposed that the standard supports of the workpiece be replaced with adjustable stiffness supports. This affects the modal parameters of the whole system, i.e., object and its supports, which is essential from the point of view of the relative tool–workpiece vibrations. To reduce the vibration level during milling, it is necessary to...
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The effect of high pressure and subzero temperature on gelation of washed cod and salmon meat
PublicationThe objective of the present work is to examine the infl uence of pressure up to 193 MPa at subzero temperature (without freezing of water) on myofi brillar proteins of salmon and cod meat and on the properties of gels obtained from washed mince of these fi sh. The solubility of proteins from myofi brils of cod and salmon meat suspended in 100 mM KCl solution increased aft er treating the samples with pressure above 60 MPa. The...
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Study of the electrochemical stability of polypyrrole coating on iron in sodium salicylate aqueous solution
PublicationIn this work electrochemical stability of optimized PPy film on iron in aqueous solution of sodium salicylate is studied. The main drawback of conducting polymers is their possibility to undergo an irreversible degradation (overoxidation). The overoxidized polymers lose their properties, for example, conductivity and redox activity, what excludes them from some practical applications. This study demonstrates that lowering the concentration...
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Synthesis and conformational analysis of salivary proline-rich peptide P-B
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Environmental degradation of Ti alloys in artificial saliva and a role of fluorides
PublicationThe titanium and its alloys are potentially prone to hydrogen embrittlement, including those proposed for dental implants. The research has been aimed to assess a susceptibility to environment-enhanced degradation of the Ti-13Zr-13Nb alloy in artificial saliva with or without hydrofluoric acid, subject or not to cathodic polarisation. The results have shown that even if artificial saliva is safe environment, both cathodic polarization...
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Formaldehyde in Human Saliva as an Indication of Environmental Tobacco Smoke Exposure
PublicationSkład środowiskowego dymu tytoniowego zależy przede wszystkim od stosowanej odmiany tytoniu oraz różnorodnych dodatków wprowadzanych do tytoniu na etapie produkcji papierosów. Podczas palenia tytoniu węglowodany ulegają złożonym przemianom, w wyniku których powstają toksyczne składniki środowiskowego dymu tytoniowego, w szczególności aldehydy (formaldehyd). Celem badań było uzyskanie informacji o poziomie zawartości formaldehydu...
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Bile salts in digestion and transport of lipids
PublicationBecause of their unusual chemical structure, bile salts (BS) play a fundamental role in intestinal lipid digestion and transport. BS have a planar arrangement of hydrophobic and hydrophilic moieties, which enables the BS molecules to form peculiar self-assembled structures in aqueous solutions. This molecular arrangement also has an influence on specific interactions of BS with lipid molecules and other compounds of ingested food...
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Korekta akustyczna sali audytoryjnej Politechniki Śląskiej w Rybniku.
PublicationOmówiono korektę akustyczną sali audytoryjnej Politechniki Śląskiej w Rybniku. Przyczyną dokonania korekty była mała zrozumiałość mowy a powodowana nadmierną pogłosowością sali. Rozpatrzono wpływ rezonansu galerii na akustykę sali. Mimo ograniczonej ingerencji w architekturę sali związanej z zabytkowym charakterem budynku, korekta akustyczna znacząco poprawiła zrozumiałość mowy w sali.
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Akustyka sali Filharmonii Śląskiej w Katowicach po modernizacji.
PublicationPrzedstawiono wyniki pomiarów chłonności akustycznej foteli przewidzianych dla modernizowanej sali oraz wyniki pomiarów akustycznych samej sali. Badani sali wykonano metoda impulsową wraz z symulacją warunków słyszenia.
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CMGNet: Context-aware middle-layer guidance network for salient object detection
PublicationSalient object detection (SOD) is a critical task in computer vision that involves accurately identifying and segmenting visually significant objects in an image. To address the challenges of gridding issues and feature...
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Phytochemical screening and biological evaluation of Greek sage (Salvia fruticosa Mill.) extracts
PublicationThis study explores the influence of extraction solvents on the composition and bioactivity of Salvia fruticosa extracts. Ultrasound-assisted extraction with water, ethanol and their mixtures in variable proportions was used to produce four different extracts. An untargeted UPLC/MS‑based metabolomics was performed to discover metabolites profile variation between the extracts. In the analyzed samples, 2704 features had been detected,...
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Mixed growth of Salix species can promote phosphate-solubilizing bacteria in the roots and rhizosphere
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On the origin of surface imposed anisotropic growth of salicylic and acetylsalicylic acids crystals during droplet evaporation
PublicationIn this paper droplet evaporative crystallization of salicylic acid (SA) and acetylsalicylic acid (ASA) crystals on different surfaces, such as glass, polyvinyl alcohol (PVA), and paraffin was studied. The obtained crystals were analyzed using powder X-ray diffraction (PXRD) technique. In order to better understand the effect of the surface on evaporative crystallization, crystals deposited on glass were scraped off. Moreover,...
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Influence of electropolymerization temperature on corrosion, morphological and electrical properties of PPy doped with salicylate on iron
PublicationIn this work, the influence of the electropolymerization temperature on corrosion, morphological and electrical properties of polypyrrole (PPy) film is studied. Polypyrrole is electrochemically synthesized on iron in the presence of sodium salicylate. The X-ray diffraction and scanning electron microscopy are performed in order to study the structure and morphology of electrodeposited PPy. The electroactive surface area, corrosion...
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Dbałość o urodę kobiet na podstawie traktatów Metrodory z Bizancjum i Trotuli z Salerno
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I rimedi per raffinare la bellezza del corpo secondo l’insegnamento di Trotula di Salerno
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Non-Salient Brushless Synchronous Generator Main Exciter Design for More Electric Aircraft
PublicationThis paper presents a prototype of high speed brushless synchronous generators (BSG) design for the application in autonomous electric power generation systems (e.g., airplane power grid). Commonly used salient pole field of the main generator part of BSG was replaced with a prototype non-salient pole field. The main objective of the research is an investigation into the advantages and disadvantages of a cylindrical field of the...
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Metal salts reduction during parylenes polymerization
PublicationPublikacja o wynikach obliczeń kwantowych o możliwości redukcji niektórych soli metali przy pomocy rodników parylenu w czasie jego polimeryzacji.
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Transgraniczne przeniesienie siedziby spółki
PublicationW artykule poruszone zostały zagadnienia związane z mobilnością spółek w obrębie Wspólnoty Europejskiej. Problematyka ta wywołuje szereg kontrowersji zarówno w doktrynie, jak i orzecznictwie Trybunału Sprawiedliwości. Konserwatywne stanowisko Trybunału popierające działania Państw Członkowskich w odniesieniu do formułowanych zakazów przenoszenia siedziby spółki na terytorium innego Państwa Członkowskiego może być wszakże postrzegane...
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Modelowanie hydrogeochemiczne w badaniach krążenia wód podziemnych na przykładzie salaru Atacama, północne Chile
PublicationStrefa kontaktu wód słodkich ze słonymi najlepiej rozpoznana została na wybrzeżach morskich, lecz występuje także w nieckach endoreicznych w suchych klimatach, których centralną część wypełniają salary. W pracy zaprezentowano wyniki modelowania hydrogeochemicznego takiej strefy w jednym z salarów w północnym Chile.
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High yield synthesis and preliminary spectroscopic study of mono-N-alkylated cyclen derivatives of salicylic acid
PublicationW artykule przedstawiono reakcję bezpośredniego alkilowania cyklenu bromopochodnymi kwasu salicylowego. Otrzymane związki wykorzystano do badań spektroskopowych. Stwierdzono, że tworzą one wybiórczo kompleksy z jonami metali grupy II. Wyznaczono stałe tworzących się kompleksów.
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Count Data Modeling About Relationship Between Dubai Housing Sales Transactions and Financial Indicators
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The study of salting-out thin-layer chromatography and their application on QSRR/QSAR of some macrolide antibiotics
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Modeling process of planning finished product sales volumes at industrial enterprises in modern economic conditions
PublicationThis article presents improving the existing system of planning finished products sales volumes. The influencing factors of the sales volumes in modern economic conditions have been determined: falling world oil prices, the reduction of pipe consumption in the domestic market, the global pandemic. The algorithm of planning finished products sales volumes has been constructed. Calculations based on the Holt forecasting method has...
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Modelling of residential sales price with kriging using different distance metrics in different correlation functions
PublicationThe modelling and estimation of sales prices based on economical conditions are important for housing sector especially in developing countries. Analysts are focused on the subject to analyze price movements and estimate the future trend of the sales prices for housing sector. In this study, we tried to generate a robust and efficient model related to the subject. Firstly, we investigated economic variables affecting housing sales...
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Count Data Modeling About Relationship Between Dubai Housing Sales Transactions and Financial Indicators
PublicationIn this study, illustrating and comparing the performances of count data models such as Poisson, negative binomial (NB), Hurdle and zero-inflated models for the determination of factors affected housing sales in Dubai. Model comparisons are made via Akaike’s information criterion (AIC), the Vuong test and examining the residuals. Main purpose of this study is building reliable statistical model for relationship between Dubai housing...
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Regarding the “Is Surgery an Inevitable Treatment for Advanced Salivary Lymphoepithelial Carcinoma? Three Case Reports”
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Spectral assignment and proton transfer studies ofN-(R-salicylidene)-1-amino-1-deoxy-d-sorbitols
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Molten salt synthesis of conducting and superconducting ceramics
PublicationPublikacja przedstawia wyniki badań nadprzewoników oraz przewodników jonowych metodą syntezy w stopionej soli.
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Importance of Conjugation of the Bile Salt on the Mechanism of Lipolysis
PublicationWe aim to advance the discussion on the significance of the conjugation of bile salts (BS) in our organism. We hypothesize that conjugation influences the rate of lipolysis. Since the rate of lipolysis is a compound parameter, we compare the effect of conjugation on four surface parameters, which contribute to the rate. Since deconjugation is due to gut microbiota, we hypothesize that microbiota may affect the rate of lipolysis....
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Effect of salinity and pH on the calibration of the extraction of pharmaceuticals from water by PASSIL
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Lupine embryo axes under salinity stress. I. Ultrastructural response
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Determination of cyanide in urine and saliva samples by ion chromatography with pulsed amperometric detection
PublicationCommonly known as a highly toxic chemical, cyanide is also an essential reagent for many industrial processes. It naturally occurs in plant seeds as a cyanogenic glycosides. Another relatively common mode of cyanide exposure is inhalation of environmental tobacco smoke. This study concerns importance to determine cyanide ion in human biological samples. Urine and saliva samples were collected healthy volunteers exposed to tobacco...
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Saliva as a first-line diagnostic tool: A spectral challenge for identification of cancer biomarkers
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Potentiometric Solid-Contact Ion-Selective Electrode for Determination of Thiocyanate in Human Saliva
PublicationA new solid-contact potentiometric ion-selective electrode for the determination of SCN− (SCN-ISE) has been described. Synthesized phosphonium derivative of calix[4]arene was used as a charged ionophore. The research included selection of the ion-selective membrane composition, determination of the ISEs metrological parameters and SCN-ISE application for thiocyanate determination in human saliva. Preparation of the ISEs included...
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Endophytic microbiota and ectomycorrhizal structure of Alnus glutinosa Gaertn. at saline and nonsaline forest sites
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A Method of Risk and Safety Assessment During the Ship Salvage Using the Hazard, Release and Consequence Analysis
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