(n.) The act or process of resolving the constituent parts of a compound body or substance into its elementary parts; separation into constituent part; analysis; the decay or dissolution consequent on the removal or alteration of some of the ingredients of a compound; disintegration; as, the decomposition of wood, rocks, etc.
(n.) The state of being reduced into original elements.
(n.) Repeated composition; a combination of compounds.
Example Sentences:
(1) The ADAM derivative of carnitine was separated from decomposition products of the reagent and related compounds such as amino acid derivatives on a silica gel column eluted with methanol-5% aqueous SDS-phosphoric acid (990:10:1).
(2) The decomposition of nafcillin and penicillin G solutions was hastened significantly by magnesium sulphate due to effect on the pH values of the solutions.
(3) The UV and IR absorption spectra of compounds present in the eluate were compared with those of model compounds that were assumed to exist in the gel as impurities after the polymerization (monomers and oligomers of hydroxyethyl methacrylate, decomposition products of initiators).
(4) The decomposition of nitrosourea is facilitated when a proton or lithium ion is positioned at the oxygen of the nitroso group.
(5) Inactivation is due to alkylation by 2-methylene-3(2H)-furanone, a decomposition product of the enzymic product 3'-keto-2'-deoxyuridine triphosphate.
(6) During heat treatment, decomposition to isopilocarpine predominated over decomposition to pilocarpic or isopilocarpic acid.
(7) The rate of decomposition of cis-4-OHCP was much faster in plasma than in buffer at pH 7.4.
(8) Hydroxyapatite thermal decomposition product is a mixture of alpha-tricalcium phosphate and tetracalcium phosphate.
(9) A quantitative assay has been developed for putrescine, cadaverine, histamine, and several free amino acids--lysine, arginine, and histidine--as a measure of decomposition.
(10) At temperatures of 200-300 degrees C hexamine decomposition is reported to produce mainly ammonia and formaldehyde.
(11) The hygienic control of polluted surface waters has to be correlated with measurements of the decomposition rate of heterotrophic microbial populations.
(12) Using the malonic acid concentration as a measure of decomposition, this method was used to determine the hydrolytic stability of Meldrum's acid and its skin penetration properties.
(13) Their growth development during the treatment agreed very well with the results of decomposition and deodorization.
(14) The kinetic 13C isotope effect on the decomposition of carbamoyl phosphate to cyanate and phosphate is 1.058.
(15) Enhanced esterification of cholesterol could function as an early primary factor injuring the myelin membrane, the lysocompounds may be involved at a later stage in the pathomechanism of myelin decomposition in the central nervous system.
(16) The cholesterol is possibly a decomposition product of the monohydrate.
(17) The importance of the decomposition of phosphatidylinosite and of its phosphate esters in binding of certain ligands to receptors is shown.
(18) By decomposition of reconstituted receptors with proteases, we demonstrated the homogeneous orientation of the receptor with its extracellular head group pointing to the convex side of the vesicles.
(19) The injected decomposition product was found to be solid at the time of sacrifice in all animals.
(20) The ion content of heart tissue was measured with flame spectrometer after the decomposition of myocardium by Lumatom tissue solubizer.
Humus
Definition:
(n.) That portion of the soil formed by the decomposition of animal or vegetable matter. It is a valuable constituent of soils.
Example Sentences:
(1) Removal of humus by anionic exchange is a potential process for small waterworks in Norway.
(2) The partition coefficient (Kp) of BaP to the humus content of the water was determined by an equilibrium dialysis technique.
(3) The humus synthesis processes were most active in the wheat and lucerne plots, they were less effective in the fallow and virgin soils.
(4) Naturally occurring humic substances are particular chemical compounds which are found in humus.
(5) The bioaccumulation of benzo[a]pyrene (BaP) into Daphnia magna from two natural humic waters (one lake water and one bog water), and two humus preparations (Nordic Reference fulvic acid (Nordic FA) and a lyophilized concentrate) of the same aquatic origin was measured by using several dissolved organic carbon (DOC) concentrations for each sample.
(6) The application of humus had a positive effect on grain and straw yield of paddy and the yield increased with the increasing concentration of humus.
(7) When bacterial cells were counted daily in humus-gleisolic soil, their number did not depend on time if the soil was incubated for five days.
(8) At present such a custom is very rare owing the chemical pollution of sewage continuously increasing; but in some countries it is still in use, and is our opinion and experience that organic waste material must be reused as fertilizer of land, more and more devoid of humus and subject to erosion of winds and waters.
(9) "Organic" or "organically grown" foods are commonly represented as "food grown without pesticides; grown without artificial fertilizers; grown in soil whose humus content is increased by the additions of organic matter; grown in soil whose mineral content is increased with applications of natural mineral fertilizers; has not been treated with preservatives, hormones, antibiotics etc."
(10) As pH is decreasing, the physical and chemical properties of humus change.
(11) Four PAH compounds, fluorene, anthracene, fluoranthene and benzo(a)pyrene were dissolved in humus poor (lake) and humus rich water.
(12) The rate of biological nitrogen fixation was determined by the acetylene technique in soils and on the roots of orange, mandarin and lemon trees growing in red, yellow, podzolic, alluvial brown forest, and humus-calcareous soils.
(13) In all four samples, an increase in humus concentration decreased the bioavailability of BaP in a logarithmic manner.
(14) His deep commitment to the freedom of the human spirit is reflected in his actions as well as artistic creations.” • This article was amended on 8 September 2016 to clarify that Eno’s music was replaced; the dance piece Humus was not withdrawn entirely.
(15) Chlorinated fluorene, fluoranthene and benzo(a)pyrene were formed during chlorination of PAH polluted lake water, but not during chlorination of the humus rich water samples.
(16) In soils with native organic matter (humus) the rate of sulfate reduction was very low; it slightly increased with increased clay content of the soils.
(17) Root nodulation, growth and yield of gram crop were appreciably increased due to humus application.
(18) The fertilizer content and humus value of such wastes are useful for agricultural purposes, and the recycling of sewage onto the land eliminates many of our stream pollution problems.
(19) From humus obtained from Stuttgart, a bacterium was isolated with lawsone (2-hydroxy-1,4-naphthoquinone) as selective source of carbon.
(20) The maximum nitrogen fixation (48--51 kg N per hectare) was found in red and humus-calcareous soils of orange plantations.