نتایج جستجو برای: liquid fluorine
تعداد نتایج: 224702 فیلتر نتایج به سال:
The generated resist based defects on the template in addition to the presence of particles and contaminants is critical for ultraviolet curing of nanoimprint lithographic fabrication. This procedure is proven to be suitable for advanced resist material design under the process conditions. Nanoimprint resist material containing an ultraviolet reactive fluorine surfactant was developed to modify...
A great majority of “interesting” compounds in fluorine and noble gas chemistry are thermodynamically unstable, highly oxidative and thus hard to isolate and characterize materials. Since the ultimate characterization structural determination is very often related to a route to crystalline products, the aforementioned unique properties severely restrict the choice of a solvent for these compoun...
Molecular modelling and simulation of the surface tension of fluids with force fields is discussed. 29 real fluids are studied, including nitrogen, oxygen, carbon dioxide, carbon monoxide, fluorine, chlorine, bromine, iodine, ethane, ethylene, acetylene, propyne, propylene, propadiene, carbon disulfide, sulfur hexafluoride, and many refrigerants. The fluids are represented by two-centre Lennard...
Four substituted 4H-benzo[1,2,4]thiadiazines 2 were prepared by condensation of the appropriate anilines and benzonitriles followed by oxidative cyclization. The preparation of three fluorinated derivatives 2b-2d proceeded smoothly, while the synthesis of 2a was problematic, presumably due to the relatively high electron density of the benzene ring. The four-ring derivatives 2c and 2d exhibited...
In view of the growing demand for new compounds showing biological activity against pathogenic microorganisms, such as pathogenic and phytopathogenic fungi, the objective of this study was to synthesize a new group of aliphatic and aromatic derivatives of hydrazide. In consequence of the reactions observed during synthesis, the resulting compounds retained their linear structure. Their structur...
The interaction of small molecules with larger noncovalent assemblies is important across a wide range of disciplines. Here, we apply two complementary NMR spectroscopic methods to investigate the interaction of various fluorophenol isomers with sunset yellow. This latter molecule is known to form noncovalent aggregates in isotropic solution, and form liquid crystals at high concentrations. We ...
This study aimed to investigate the impact of nonionic surfactants on the efficacy of fluorine degradation by Polyporus sp. S133 in a liquid culture. Fluorene was observed to be degraded in its entirety by Polyporus sp. S133 subsequent to a 23-day incubation period. The fastest cell growth rate was observed in the initial 7 days in the culture that was supplemented with Tween 80. The degradatio...
On average, mineral elements account for 4 % of total body mass and part of every tissue, liquid, cell and organ in human body. There is a sufficient evidence that minerals, both independently or in proper balance with other minerals, have structural, biochemical and nutritional functions that are very important for overall human health, both mental and physical (Vahčić et al., 2010). Furthermo...
The interaction of small molecules with larger non-covalent assemblies is important across a wide range of disciplines. Here, we apply two complementary NMR spectroscopic methods to investigate the interaction of various fluorophenol isomers with sunset yellow. This latter molecule is known to form non-covalent aggregates in isotropic solution, and form liquid crystals at high concentrations. W...
ion of fluorine atoms occurs for each of the projectile ions examined, with up to five fluorine atoms being abstracted by W, two F atoms being abstracted in the case of CI and PCl projectiles, and just one fluorine atom being abstracted by Si, P, I, and Br-containing ions (see Table 1). The maximum numbers of atoms abstracted in ion/surface reactions are similar [26–29], although the product io...
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