Examples of using Pyridine in English and their translations into Russian
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Official
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Colloquial
THF, pyridine.
Pyridine≤200ppm Pass.
D UN No. 1282 PYRIDINE.
Pyridine≤ 200ppm complies.
Stearamidomethyl pyridine chloride.
Pyridine≤ 200ppm Conforms.
They do not contain pyridine compounds.
Pyridine not more than 200ppm complies.
What happens to pyridine at a temperature of 25º C?
How does this hybridization change when the boron halide forms an adduct with a base such as pyridine(C5H5N)?
Soluble in water,slightly soluble in pyridine, and insoluble in ether.
If L pyridine(py), which ligand X(Cl- or I-) helps better shift the equilibrium(2) to the right?
Mixtures of silicones and stearamidomethyl pyridine chloride, sometimes together with carbamide(urea) and melamine resins;
Pyridine nucleotides in oxidized condition were found to prevail in cells after plasma radiation exposure.
However, we can describe the pyridine, if you specify the nitrogen in the 4th parameter.
Other fluorinated compounds, like C6-fluorotelomers and perfluorobutane sulfonate(PFBS), silicone-based products,stearamidomethyl pyridine chloride.
Also, the pyridine liberated during the reaction had an unpleasant odour and the fabric had to be scoured after the cure.
Is adduct formation between the boron halide(Lewis acid) and pyridine(Lewis base) exothermic or endothermic?
Commonly known as nicotine nicotine, tobacco-specific,are pyridine alkaloid family, it has a strong human physiological role in smoking, adequate intake of nicotine, can be excited spirit, eliminate fatigue and increase thinking skills, improve work efficiency, but excessive nicotine can play the role of inhibition and paralysis.
PCL can be titrated with KOHin isopropyl alcohol/1,4-dioxane solvent(v/v=1/4) using 1% phenolphthalein solution in pyridine as an indicator.
Solubility soluble in dimethyl sulfoxide;soluble in pyridine;slightly soluble in ethanol;slightly soluble in water conforms.
Other fluorinated compounds, like C6-fluorotelomers and PFBS, silicone-based products,stearamidomethyl pyridine chloride, perfluorobutane sulfonate for leather.
The treatment of the support-bound material with iodine andwater in the presence of a weak base(pyridine, lutidine, or collidine) oxidizes the phosphite triester into a tetracoordinated phosphate triester, a protected precursor of the naturally occurring phosphate diester internucleosidic linkage.
In this procedure the terminal aminegroups in diethylene triamine(1) are activated as amine anionic nucleophiles by reaction with tosyl chloride in pyridine to the N-tosyl protective group followed by proton abstraction with sodium ethoxide.
Commonly known as nicotine nicotine, tobacco is unique,belonging to the family of pyridine alkaloids, it has a strong human physiological role in the smoke, adequate intake of nicotine, can be excited spirit, eliminate fatigue and increase thinking ability, improve work efficiency, but excessive nicotine can play the role of inhibition and paralysis.
For example, the reaction product of acrolein andmalonic acid in pyridine is trans-2,4-Pentadienoic acid with one carboxylic acid group and not two.
The character of metabolic changes in cells after plasma radiation exposure was studied by pyridine nucleotides fluorescence intensity, surface structures condition- by the concentration of sialic acids in extracellular medium.
However, they require compromises in borderline cases; for example,nicotine contains a pyridine fragment from nicotinamide and a pyrrolidine part from ornithine and therefore can be assigned to both classes.
And chemical properties:nicotine in chemical structure having two nitrogen-containing heterocyclic(ie, a pyridine ring and a pyrrole ring) single health connected with nicotine acid produced protonated salt-forming reaction.
And chemical properties:nicotine in chemical structure having two nitrogen-containing heterocyclic(ie, a pyridine ring and a pyrrole ring) is connected to a single healthy, so that nicotine can be protonated with acid produced by the reaction of salt.