Exact(1)
Coumarin carboxylic acid, 3a e (0.001 mol) was fused with o-phenylenediamine (0.001 mol) in the presence of polyphosphoric acid (PPA) (1 g/mmol) under nitrogen.
Similar(59)
The surface properties in the designed immunosensor during the preparation processes of NWs, PPa (PPa/TiO2 NWs), anti-rabbit IgG (PPa-1 Ab/TiO2 NWs immunosensor), and the measurement of rabbit IgG (2 Ab/PPa-1 Ab/TiO2 NWs immunosensor) were recorded and expressed by the changes in current-voltage (I V).
Four novel Ni II -metal organic frameworks, Ni II -metal organic(H2O)2]n (1), [Ni(tmdp)(ppa)(H2O)2]n (2), {[Ni(bpetha)(ppa)]·1.7H2O}n (3), and {[Ni(bpy)(H2O)4](ppa)}n (4) (azp = 4,4′-azodipyridine, H2ppa = 1,4-phenylenedipropionic acid, tmdp = 4,4′-trimethylenedipyridine, bpetha = 1,2-bis-(4-pyridyl)ethane, bpy = 4,4′-bipyridine) were synthesized and structurally characterized.
The study of the ppa H+ (H2O n model systems showed an interesting structural behavior comparatively to the ppa(H2O n systems.
The electrostatic fluidized bed deposition of a single-layer PPA 571 coating onto low carbon steel rods is reported.
Elastomeric-modified-bitumen mixes were developed using elastomeric polymer (EMA-GMA), high density polyethylene (HDPE) and polyphosphoric acid (PPA 116%).
PPA 100, which will be distributed to guests at a gala dinner tomorrow (21 November), was put together by Gill Hudson, former editor of Reader's Digest , Radio Times Company and Maxim.
In this study, a series of adipic acid-polyoxypropylene diamine copolymer (AA-PPA) was prepared by copolymerizing polyoxypropylene diamine (PPA D400) and adipic acid (AA).
A classical way to solve such a problem is the proximal point algorithm (PPA) [1].
It was shown that piperidin-1-yl-phosphonic acids (PPA) and (4-phosphono-piperazin-1-yl) phosphonic acid (PPPA) are used to reduce the corrosion of iron in a NaCl medium, even if PPPA is more efficient than PPA [27].
- Contaflu tablets, batch # 061342, each tablet labeled to contain 24 mg of PPA, 3 mg of chlorpheniramine maleate and 200 mg of propyphenazone, product of Egyptian Int.
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