(n.) An apparatus for holding and measuring of gas; in gas works, a huge iron cylinder closed at one end and having the other end immersed in water, in which it is made to rise or fall, according to the volume of gas it contains, or the pressure required.
Example Sentences:
(1) A gasometer was used to measure inspired ventilation and the analog signals from the two gas analyzers and the gasometer were sent to a microcomputer for computation of VO2.
(2) The precision of available gasometers can scarcely ever be reduced beyond plus or minus 1% of the volume which is to be measured.
(3) It serves next as an axenic growth chamber and at the same time as a gasometer.
(4) Two precalibrated DTM-325 dry gas meters (American Meter Co., Philadelphia, PA, USA) were therefore tested for accuracy against a 350 l Collins chain-compensated gasometer.
(5) We also compared it to the Natelson gasometer and a modified continuous-flow (AutoAnalyzer) technique for measurement of carbon dioxide in serum.
(6) Sitting and standing pulmonary ventilations were determined through the use of the Tissot gasometer.
(7) "The facade recalls the industrial gasometers as well the history of the jewellery trade here."
Laboratory
Definition:
(n.) The workroom of a chemist; also, a place devoted to experiments in any branch of natural science; as, a chemical, physical, or biological laboratory. Hence, by extension, a place where something is prepared, or some operation is performed; as, the liver is the laboratory of the bile.
Example Sentences:
(1) These data indicate a steady improvement in laboratory performance over the last 10 years.
(2) Clinical surveillance, repeated laboratory tests, conventional radiology, and especially ultrasonography and CT scan all contributed to the preoperative diagnosis.
(3) If the method was taken into routine use in a diagnostic laboratory, the persistence of reverse passive haemagglutination reactions would enable grouping results to be checked for quality control purposes.
(4) A disease in an IgD (lambda) plasmocytoma is described, where after therapy with Alkeran and prednisone a disappearance of all clinical and laboratory findings indicating an activity could be observed.
(5) The procedure used in our laboratory was not able to provide accurate determination of the concentrations of these binding forms.
(6) Well tolerated from the clinical and laboratory points of view, it proved remarkably effective.
(7) Since 1979, patients started on long-term lithium treatment at the Psychiatric Hospital in Risskov have been followed systematically with recording of clinical and laboratory variables before the start of treatment, after 6 and 12 months of treatment, and thereafter at yearly intervals.
(8) It was established that nonsurgical methods of transplantation with laboratory animals were less time-consuming and were more readily applicable.
(9) Chromatography and immunoassays are the two principal techniques used in research and clinical laboratories for the measurement of drug concentrations in biological fluids.
(10) The detection of these antibodies is difficult owing to the lack of standardization and of specificity of the laboratory tests.
(11) The results confirm studies performed in our laboratory on cytotoxicity and on functional membrane proteins of fungal and mammalian cells [1,2], suggesting a common mechanism of toxicity by the action of hydrophobic xenobiotics on biomembranes.
(12) Previous studies in this laboratory with particulate Mn3O4 have shown that preweanling rats have substantially higher tissue Mn concentrations than similarly treated adults, indicating possible differences in uptake or elimination or both.
(13) Charge data from the target hospital showed a statistically significant reduction in laboratory charges per patient in the quarter following program initiation (P = 0.02) and no evidence for change in a group of five comparison hospitals.
(14) This new protocol has increased the effectiveness of the toxicology laboratory and enhanced the efficiency of the house staff.
(15) Whole-virus vaccines prepared by Merck Sharp and Dohme (West Point, Pa.) and Merrell-National Laboratories (Cincinnati, Ohio) and subunit vaccines prepared by Parke, Davis and Company (Detroit, Mich.) and Wyeth Laboratories (Philadelphia, Pa.) were given intramuscularly in concentrations of 800, 400, or 200 chick cell-agglutinating units per dose.
(16) Regression analysis on the 21 clinical or laboratory parameters studied showed that the only variable independently associated with CSF-FN was the total protein concentration in the CSF; this, however, explained only 14% of the observed variation in the CSF-FN concentration and did not show any correlation with CNS involvement.
(17) These tumors may nonetheless be etiologically related as indicated by the pattern of laboratory abnormalities, especially immunologic, in affected as well as unaffected members.
(18) There are several common clinical signs which should alert the physician to a possible diagnosis of SLE and which should condition him to look for specific clinical and laboratory findings.
(19) The authors describe the special medical expertise of the psychiatrist and define 11 indicators, such as a patient's need for new psychotropic medication or the presence of symptoms requiring medical or laboratory procedures, that can be used to determine whether psychiatric expertise is needed.
(20) A bouncy function has now been incorporated into a knee of the semi-automatic knee lock design in a pilot laboratory trial involving six patients.