(v. t.) To render (a person) certain; to cause to feel certain; to make confident; to assure; to apprise.
(v. t.) To make (a thing) certain to the mind; to free from obscurity, doubt, or change; to make sure of; to fix; to determine.
(v. t.) To find out or learn for a certainty, by trial, examination, or experiment; to get to know; as, to ascertain the weight of a commodity, or the purity of a metal.
Example Sentences:
(1) We have investigated the effect of methimazole (MMI) on cell-mediated immunity and ascertained the mechanisms of immunosuppression produced by the drug.
(2) Prior to oral feeding, little or no ELA was detected in stools and endotoxinemia was ascertained in only six of 45 infants (13%).
(3) A total of 13 ascertainments of folate sensitive autosomal fragile sites is observed, of which 10q23 fragility appears to be the most frequent.
(4) A similar examination of the effects of PD was also carried out in vitro to ascertain whether PD itself or its metabolites are involved in its action.
(5) The purity and configuration of each isomer of the free acid and N-chloroacetylated derivative were ascertained by: (a) paper chromatography in five solvent systems, (b) elemental analysis, (c) Van Slyke nitrous acid determination of alpha-carbonyl carbon, and (d) Van Slyke ninhydrin determination of alpha-carbonyl carbon, and (e) optical rotation.
(6) In an anthropologic study of illness referral among Latin-American immigrants three phases were ascertained: First, there was extended use of self-treatment.
(7) In 20 adult patients with asthma, we evaluated bronchodilation to a single administration of metered-dose glycopyrrolate aerosol (GA) to ascertain its onset and duration of action along with evaluation of safety.
(8) 64% of the patients without nodular metastases and 45% of the patients with histologically ascertained nodular metastases and 45% of the patients with histologically ascertained nodular metastases survived the 3-year interval.
(9) The results indicated a very good comparability between the dot-blot assay and IF-tests, and this dot-blot method was ascertained as a simple and useful method for the scrub typhus serodiagnosis.
(10) Combinations of YM534 with other anti-cancer agents were examined to ascertain whether YM534 potentiated other anti-cancer agents against the KB cell line and its multidrug-resistant counterpart, VJ-300.
(11) Three experiments in person perception were conducted to investigate the conditions under which naive observers label an actor as aggressive and to ascertain how this label affects the reactions of the observers to the actor.
(12) This study was designed to ascertain the frequency of these problems in our RS patients, whether they were related to other clinical features of RS and what was the extent of the resulting disability.
(13) The nutritional requirements for optimal production of biologically active l-asparaginase by a strain of Escherichia coli have been ascertained.
(14) Fifty-seven strains of enterotoxigenic Escherichia coli isolated from humans and pigs and producing thermolabile (LT) enterotoxin were used to ascertain the efficiency of the Biken test compared to the passive immune haemolysis test (PIH), considered as very sensitive for detecting that enterotoxin.
(15) In the formation of the transformation index the difference between the two groups could be statistically ascertained.
(16) This was a highly significant (p less than 0.0001) predictor of 5-year total mortality, whose ascertainment was virtually complete.
(17) On the basis of segregating phenotypes, the genetic potentials of these compatible nocardiae were ascertained as follows: the formation of a diploid with subsequent segregation of parental or haploid recombinant genomes or both; persistence of the diploid through many generations; continuing reassortment of genetic information by multiple matings between parental or recombinant organisms; and, very probably, second-round recombinations within the diploid.
(18) Based on the ratio of plasma membrane marker enzyme activity determined in the nuclear preparation, the purity of the isolated nuclei was ascertained.
(19) The amount of free testosterone in the saliva was also ascertained for 23 of the subjects.
(20) In addition, re-analysis of previous investigations of the MAB underscores the importance of ascertaining the reading level of subjects prior to the administration of the MAB.
Survey
Definition:
(v. t.) To inspect, or take a view of; to view with attention, as from a high place; to overlook; as, to stand on a hill, and survey the surrounding country.
(v. t.) To view with a scrutinizing eye; to examine.
(v. t.) To examine with reference to condition, situation, value, etc.; to examine and ascertain the state of; as, to survey a building in order to determine its value and exposure to loss by fire.
(v. t.) To determine the form, extent, position, etc., of, as a tract of land, a coast, harbor, or the like, by means of linear and angular measurments, and the application of the principles of geometry and trigonometry; as, to survey land or a coast.
(v. t.) To examine and ascertain, as the boundaries and royalties of a manor, the tenure of the tenants, and the rent and value of the same.
(n.) The act of surveying; a general view, as from above.
(n.) A particular view; an examination, especially an official examination, of all the parts or particulars of a thing, with a design to ascertain the condition, quantity, or quality; as, a survey of the stores of a ship; a survey of roads and bridges; a survey of buildings.
(n.) The operation of finding the contour, dimensions, position, or other particulars of, as any part of the earth's surface, whether land or water; also, a measured plan and description of any portion of country, or of a road or line through it.
Example Sentences:
(1) These surveys show that campers exposed to mountain stream water are at risk of acquiring giardiasis.
(2) The 1989 results were compared with those of a similar survey performed in 1986.
(3) A survey carried out two and three years after the launch of the official campaign also showed a reduction in the prevalence of rickets in children taking low dose supplements equivalent to about 2.5 micrograms (100 IU) vitamin D daily.
(4) And this is the supply of 30% of the state’s fresh water.” To conduct the survey, the state’s water agency dispatches researchers to measure the level of snow manually at 250 separate sites in the Sierra Nevada, Rizzardo said.
(5) This exploratory survey of 100 patients with rheumatoid arthritis (RA) was conducted (1) to learn about the types and frequencies of disability law-related problems encountered as a result of having RA, and (2) to assess the respective relationships between the number of disability law-related problems reported and the patients' sociodemographic and RA disease characteristics.
(6) They also note surveys that show British voters becoming more Eurosceptic, not less.
(7) Three types of survey procedure were adopted and blood samples were taken for examination.
(8) The present retrospective study reports the results of a survey conducted on 130 patients given elective abdominal and urinary surgery together with the cultivation of routine intraperitoneal drainage material.
(9) The ratios in both groups were also compared with the ratios of a large group of normal subjects evaluated in a population survey.
(10) Responses to a monthly survey of 450-500 surveyors (usually 250-300 reply).
(11) This survey reviews three-dimensional (3D) medical imaging machines and 3D medical imaging operations.
(12) The last 10 years have seen increasing use of telephone surveys in public health research.
(13) A one point dilution enzyme-linked immunosorbent assay (ELISA) procedure suitable for determining immunoglobulin G (IgG) antibody levels to Toxoplasma gondii (T. gondii) in community seroepidemiological surveys is described.
(14) This paper reports, principally, the caries results of the first three surveys of 5, 12 and 5-year-olds undertaken at the end of 1987, 1988 and 1989, respectively.
(15) This paper presents findings from a survey on knowledge of and attitudes and practices towards AIDS among currently married Zimbabwean men conducted between April and June 1988.
(16) The typology developed in two previous surveys of illicit heroin products is applicable to many of the samples studied in this work, although significant changes have occurred in the chemical profile of illicit heroin products from certain geographical regions.
(17) Fifteen patients of acute intermittent porphyria (AIP) were detected out of 2500 persons of Maheshwari community surveyed.
(18) The first part of this survey which dealt with equipment for the anterior segment was published in a previous issue of this journal.
(19) We used results from the 1986 National Mortality Follow-back Survey to estimate proportions of elderly decedents who were "fully functional" or "severely restricted" in the last year of life.
(20) This week MediaGuardian 25, our survey of Britain's most important media companies, covering TV, radio, newspapers, magazines, music and digital, looks at BSkyB.