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Wyświetlanie pozycji 1-20 z 176
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Fizykochemia procesów tribologicznych
(Wydawnictwo Uniwersytetu Łódzkiego, 1997) -
Synthesis, Chemistry and Applications of 5-Hydroxymethyl-furfural And Its Derivatives
(ARKAT-USA, 2001-08-08)HMF is a good starting material for the synthesis of precursors of various pharmaceuticals, thermo-resistant polymers and complex macrocycles. Among these precursors, one can find 2,5- furandicarbaldehyde and ... -
THE REACTION OF TETRAMETHYLSILANE WITH BORON TRIBROMIDE
(Walter de Gruyter (Previously published by Freund Publishing House Ltd.), 2001-12-01)The reaction of tetramethylsilane with boron tribromide in deuterochloroform in ambient temperature or at 40°C led to bromotrimethylsilane (3) and to dibromomethylborane (4). Identity of products was confirmed by NMR ... -
Wstęp do tribologii i tribochemia
(Wydawnictwo Uniwersytetu Łódzkiego, 2005)Materiał niniejszej książki może być wprowadzeniem ułatwiającym zrozumienie tribochemii procesu tarcia. Część pierwsza – Wstęp do tribologii zawiera podstawową wiedzę o tarciu, zużyciu i adhezji powierzchni ciała stałego, ... -
[μ-2-Methyl-5-(methylsulfanylmethyl)azaferrocene]bis(pentacarbonyltungsten)
(International Union of Crystallography, 2007) -
Synthesis and structure determination of stereoisomeric 2,2’-dibenzoyl-3,3’,4,4’-tetramethyl-1,1’-diphosphaferrocenes
(ARKAT USA, 2007)Reaction of 3,3’,4,4’-tetramethyl-1,1’-diphosphaferrocene 1 with an excess of benzoyl chloride and AlCl3 afforded a ~1:1 mixture of meso- and rac-2,2’-dibenzoyl-3,3’,4,4’-tetramethyl-1,1’- diphosphaferrocenes 2, which ... -
2-Methoxy-3-[(3,4,5-trimethoxyanilino)- methylidene]-3,4-dihydro-2H-1-benzopyran-4-one
(International Union of Crystallography, 2010) -
Removal of microcystin-LR from water by ozonation
(CRC Press/Balkema, 2010)In temperate climates, cyanobacteria (blue-green algae) occur most frequently in summer, when the demand for recreational water is highest. Blue-green algae can produce toxins and are also responsible for the taste and ... -
8-Phenyl-3,4,6,7,8,8a-hexahydro-1H-pyrrolo[2,1-c][1,4]oxazin-6-one
(International Union of Crystallography, 2011) -
Addition of Di(trimethylsilyl) Phosphite to Schiff Bases of 2,5-Diformylfuran
(MedJChem, 2011-11)A series of 2,5-Furanyl-bis-(aminomethylphosphonic Acids) has been synthesized by the addition of di(trimethylsilyl) phosphite to azomethine bond of achiral Schiff bases derved from 2,5-diformylfuran. The stereochemical ... -
The Oxidative Stress May be Induced by the Elevated Homocysteine in Schizophrenic Patients
(Springer, 2012)The mechanisms of oxidative stress in schizophrenic patients are not fully understood. In the present study, we investigated the effect of elevated level of homocysteine (Hcys) on some parameters of oxidative stress, namely ... -
Dialkyldithiophosphate Acids (HDDPs) as Effective Lubricants of Sol–Gel Titania Coatings in Technical Dry Friction Conditions
(Springer, 2012)The goal of this study was the investigation of the effectiveness of dialkyldithiophosphate acids (HDDPs) films in improving the tribological properties of thin, sol– gel derived titania coatings. Amorphous, anatase, ... -
Treatment of chronic hemodialysis patients with low-dose fenofibrate effectively reduces plasma lipids and affects plasma redox status
(BioMed Central, 2012)Dyslipidemia is common in chronic hemodialysis patients and its underlying mechanism is complex. Hemodialysis causes an imbalance between antioxidants and production of reactive oxygen species, which induces the oxidative ... -
Who Receives Home-Based Perinatal Palliative Care: Experience from Poland
(Hindawi Publishing Corporation, 2013)The current literature suggests that perinatal palliative care (PPC) programs should be comprehensive, initiated early, and integrative. So far there have been very few publications on the subject of home-based PC of ... -
Zwitterionic pyridinium derivatives of [closo-1-CB_9H_10]− and [closo-1-CB_11H_12]− as high Δε additives to a nematic host
(Royal Society of Chemistry, 2013)Substituted closo-carbaborate–pyridinium zwitterions were prepared in 35–50% yield by reacting 1-amino-closo-1-carbaborates with 4-alkoxypyrylium triflates. Two of the new materials, 1[6]d and 2[10]b, exhibit a high ... -
Liquid crystalline radicals: discotic behavior of unsymmetrical derivatives of 1,3,5-triphenyl-6-oxoverdazyl
(The Royal Society of Chemistry, 2013)A series of six 6-oxoverdazyl (1[10]) substituted with a total of three 3,4,5-tri(decyloxy)phenyl and/or 3,4,5-tri(decylsulfanyl)phenyl groups was investigated by thermal, XRD, spectroscopic, magnetic and photovoltaic ... -
Carbon-13 longitudinal relaxation time measurements and DFT-GIAO NMR computations for two ammonium ions of a tetraazamacrocyclic scorpiand system
(Springer Netherlands, 2013)Spin-lattice relaxation times, T1s, for 13C nuclei in two cations Hn1n+ (n = 1, 5)of N-(2-amino-ethyl)-cyclam (1, scorpiand) were determined by means of 13C{1H} NMR experiments in aqueous solution at pH 11.5 and 0.2. ... -
6-Amino-2-(pivaloylamino)pyridinium benzoate
(International Union of Crystallography, 2013) -
N-[2-(2,2-Dimethylpropanamido)pyrimidin-4-yl]-2,2-dimethylpropanamide n-hexane 0.25-solvate hemihydrate
(International Union of Crystallography, 2013) -
Association between the c.*229C>T polymorphism of the topoisomerase IIb binding protein 1 (TopBP1) gene and breast cancer
(Springer, 2013)Topoisomerase IIb binding protein 1 (TopBP1) is involved in cell survival, DNA replication, DNA damage repair and cell cycle checkpoint control. The biological function of TopBP1 and its close relation with BRCA1 prompted ...