refluxing उदाहरण वाक्य

Upon inspiration, this sling would constrict the esophagus, forming an functional ( not anatomical ) sphincter that prevents stomach contents from refluxing up the esophagus when intra-abdominal pressure rises during inspiration.
Employing a microwave oven equipped with refluxing apparatus in a rotor reactor with pressure bombs, N�chter et al . were able to achieve 100 % yield of ?-and ?-D-glucosides.
The Au / CD compound is very stable and soluble in water and selectively extracts C 60 from the insoluble mixture after refluxing for several days . The C 70 fullerene component is then removed by simple filtration.
Refluxing single-layer graphene oxide ( SLGO ) in solvents leads to size reduction and folding of individual sheets as well as loss of carboxylic group functionality, by up to 20 %, indicating thermal instabilities of SLGO sheets dependent on their preparation methodology.
Saponification of the methyl ester 11 with LiOH was followed by a Curtius rearrangement of the resulting acid 12 with diphenylphosphoryl azide in refluxing toluene to afford isocyanate intermediate, which its treatment with NaOMe / MeOH forms the corresponding carbamate 13 in 82 % yield.

Shvo's catalyst is typically synthesized using tetracyclone and triruthenium dodecacarbonyl, which are refluxed together in a dry aromatic solvent such as toluene for at least 2 days . After forming the monomeric species, the bridged hydrogen dimer is formed by refluxing in the presence of a hydrogen donor, such as isopropanol.
This compound is the double Diels Alder adduct of the diiodocyclophane "'4.1 "'and anthracene "'4.3 "'by reaction in presence of potassium tert-butoxide in refluxing dibutyl ether through a diaryne intermediate "'4.2 " '.