(a.) Pertaining to water; growing in water; living in, swimming in, or frequenting the margins of waters; as, aquatic plants and fowls.
(n.) An aquatic animal or plant.
(n.) Sports or exercises practiced in or on the water.
Example Sentences:
(1) In a number of bacteriological drinking water analyses, this property was confirmed insofar as aquatic myxobacteria could regularly be demonstrated when inspecting hygienically deficient wells or springs.
(2) While the combined O2 uptake changed by a factor of 2, within the weight range under study, the aquatic O2 uptake changed 8-fold within the same range.
(3) Heavy metals are well known pollutants in the aquatic environment.
(4) In contrast to widespread distribution of PCBs in the environment, PCT residues were seldom found in samples from aquatic environments such as water and sludge and waterfowl and fish, and, if found, the levels of PCTs were so low as to be practically negligible.
(5) Neither the stock cultures nor the aquatic strains were capable of growth in autoclaved river water taken above the sewage outfall at the three temperatures tested.
(6) Hydrotherapy is based on several important bioengineering principles that permit the design and development of aquatic exercise devices, techniques and programs.
(7) Using zoospore capture technique, 361 colonies of aquatic freshwater fungi were recovered from sewage effluents, out of which 341 reached sexual maturity.
(8) Based on this concern, the objectives of this study were to: (1) compile, review, and synthesize literature on the fate, persistence, and environmental concentrations of DFB in both freshwater and saltwater environments; (2) compile, review, and synthesize acute and chronic aquatic toxicity data on DFB effects on freshwater and saltwater organisms; (3) assess possible risk to aquatic biota associated with the use of this insecticide in one specific area (Maryland); and (4) recommend future research based on the data gaps identified from this study.
(9) Monthly mean concentrations of dieldrin in river water and most aquatic organisms were highest in June and July, soon after aldrin had been applied to corn land in the watershed.
(10) Thus, the fern bioassay may be an inexpensive means of detecting both chronic low dose and episodic high dose inputs of mutagenic pollutants into aquatic ecosystems.
(11) Concentration factors of strontium-90 in aquatic organisms and substrates are higher in a dystrophic lake than in the other types.
(12) A minimal kinetic scheme is derived, in which a transient monodentate DNA-platinum(II) adduct is formed in a bimolecular reaction between DNA and aquated platinum(II) compounds.
(13) The substances released by algae in the profundal are taken up by aquatic bacteria which explains the lower release and PER measured.
(14) Eggs contained first-stage larvae in 23-26 days at 25 C. Seven species of aquatic oligochaetes were exposed experimentally to eggs of E. tubifex containing first-stage larvae.
(15) A gas-liquid chromatographic (GLC) method is described for determining residues of Bayer 73 (2-aminoethanol salt of 2',5-dichloro-4'-nitrosalicylanilide) in fish muscle, aquatic invertebrates, mud, and water by analyzing for 2-chloro-4-nitroaniline (CNA), a hydrolysis product of Bayer 73.
(16) The oral communications and posters were divided into five subsections, covering systematics at supraspecific, specific and subspecific levels, evolution, and life cycles of parasites with hosts in both aquatic and terrestrial environments.
(17) Their stabilities were studied in water and the influence of chloride anions, pH, temperature and time was discussed and rate constants of the aquation reactions at different conditions were calculated.
(18) Since sediments from the habitats occupied by the fish in this study have been shown to contain multiple hepatocarcinogens, the findings strengthen cumulative evidence that English sole are useful as indicators of exposure to hepatocarcinogens in aquatic environments.
(19) Aquatic plants are notoriously difficult to study systematically due to convergent evolution and reductionary processes that result in confusing arrays of morphological features.
(20) Tryptic peptide comparisons of 125I-labeled virion proteins showed that five viruses are different from each other, although there was considerable overlap in the peptide maps of the three aquatic viruses, indicting a degree of relatedness.
Infusoria
Definition:
(n. pl.) One of the classes of Protozoa, including a large number of species, all of minute size.
Example Sentences:
(1) Rumen content (pH, number of infusoria, quantity of volatile fatty acids and ammonia) was studied in 151 cattle (50 healthy animals, 15 with experimental suppurative infection and 86 with spontaneous suppurative infection).
(2) It was found that continuous feeding of high amounts of concentrates produced a negative effect on the fermentative processes in the rumen, reliably lowering the values of pH, ammonia gas, and the total count of Infusoria and reliably raising the amount of volatile fatty acids and the total acidity of the rumen content.
(3) Two cases of therapy-resistant fluorine are reported in which Balantidium coli from the class of the cilia (Ciliophora, Ciliata, Infusoria) was identified.
(4) Results showed that the infusoria count per one cu.cm of rumen content in lactating cows that had been given methionine at the rate of 30 g daily was 137013, while in the control animals it was 76431.
(5) The rumen content became alkaline, and the infusoria count dropped.
(6) Studied were the values of pH and the content of ammonia gas and volatile fatty acids, the total acidity, and the count of Infusoria in the rumen content.
(7) The infusoria were found out only at the age of 120 days--their numbers were 155 000 per ml; at the age of 180 days their numbers rose to 368 000 per ml rumen fluid.
(8) The time of the infusoria survival in the blood serum was a criterion of toxemia level.
(9) With diseased cows pH in the rumen was 22 per cent lower than in the controls; the total count of infusoria per cu.cm was more than twice lower than the values found after recovery and those in the controls.
(10) The size of the double-stranded molecules of DNA of the macronucleus of an infusoria Tetrahymena pyriformis GL in the G-1 period of the cell cycle is not less than 400 .
(11) Investigated were the volatile fatty acids (VFA), ketone bodies, pH, and the count and composition of infusoria in the rumen content; the sugar, ketone bodies, and VFA in the blood--all being considered the most characteristic indices of carbohydrate metabolism in ruminants.
(12) The characteristics of digestive activities studied in rumen fluid at weekly--monthly intervals were pH, ammonia content, total content of volatile fatty acids, content of particular volatile fatty acids, incidence and number of infusoria.
(13) Infusoria life span was found to depend on peritonitis severity and serum concentration of medium-molecular peptides.
(14) Chlamydomonas data are in line with the results of the Infusoria and Chlorella experiments.
(15) Selective changes in Y. enterocolitica virulence have been made in experiments on eukaryotic cells, Infusoria, and peritoneal macrophages, used as models.
(16) In the test on Infusoria the cytotoxic action of strains isolated from plants has been noted.
(17) The dependence of immunological reactions of fishes infected with Ichthyophthirius multifiliis infusoria was elucidated.
(18) The reproductive process of infusoria was investigated.
(19) In parallel experiments with the passage of Yersinia through Infusoria and mammalian macrophages an analogy to the processes of phagocytosis has been established.
(20) Entodinium infusoria were totally lacking in the rumen content of the affected animals, while the ketone bodies were 13.5 to 15.5 times as high, and VFA were 37 to 49 per cent lower.