(n.) The nose; the snout; hence, the projecting vent of anything; as, the nozzle of a bellows.
(n.) A short tube, usually tapering, forming the vent of a hose or pipe.
(n.) A short outlet, or inlet, pipe projecting from the end or side of a hollow vessel, as a steam-engine cylinder or a steam boiler.
Example Sentences:
(1) The reaction mixture is transferred by injecting a wash solution from a group of nozzles into the incubation well.
(2) Potential dermal exposure from tractor-powered sprayers fitted with conventional hydraulic nozzles was lower than from knapsack sprayers, with exposure from a tractor-powered sprayer fitted with controlled-droplet application equipment intermediate in this regard.
(3) These characteristics were correlated with graft fabrication variables: mandrel rpm, horizontal speed of the spray nozzle, gas and polymer solution flow rates.
(4) While all three were considered effective for symptom relief, there was a clear preference for both of the new longer, snout-like nozzle adapters over the currently available delivery system.
(5) To reduce wastage of insecticide, nozzle tips are changed periodically but the tips are expensive and the replacement schedule should be based on the cost of the tip in relation to the cost of the insecticide wasted.
(6) Measurements indicate stable air outflow temperatures are maintained when proper nozzle design and air flow rates are employed.
(7) Rectal gangrene as a complication of haemorrhoids is rare and, whereas reports have suggested that this complication is due to nozzle injury, we believe that it may be due to a direct necrotizing effect of the phosphate on the rectum.
(8) Being a toddler, she toddled a bit; she knocked over a bottle of Dettol spray, and in a staggering act of pre-school vandalism, broke the nozzle.
(9) Finally, noise control techniques in the use and installation of nozzles and ejectors are reviewed.
(10) For preservation of viability during sampling of microorganisms, it is common to use impingers with the jet nozzle above the liquid surface.
(11) A finger-tip unit (FTU) is the amount of ointment expressed from a tube with a 5 mm diameter nozzle, applied from the distal skin-crease to the tip of the index finger.
(12) One of the main factors controlling dosage is the discharge rate of the sprayer, which depends to a great extent on the ability of the nozzle tip to discharge an even spray.
(13) The authors present its principle and describe the apparatus: a source of liquid nitrogen, a flexible tube and a probe with a skin-suitable nozzle.
(14) A modified personal impinger (MPI) for sampling airborne microorganisms was tested for collection efficiency with the jet nozzle placed at various positions above and below the liquid surface.
(15) This method would facilitate the establishment of a replacement schedule for nozzle tips used in spraying programmes, and periodic adjustments when new formulations of insecticides or other types of nozzle tip are supplied.
(16) At 60 and 100 W of laser power, higher external air flows and greater attention to nozzle positioning were necessary.
(17) Before this sampling both test surfaces were vacuumed using the non-motorized nozzle in order to assess the mite numbers at the beginning of the experiment.
(18) A nozzle produces a hydrodynamically focused sample stream in a liquid jet that id directed onto a microscope cover glass in front of the microscope objective.
(19) Complete control of smoke was achieved when the nozzle was located at 2 in, but significant amounts of smoke escaped when the nozzle was located at 6 and 12 in.
(20) A 'nasal pool' (NP) device, a compressible plastic container with an adapted nozzle, was used to perform a continuous 10-min nasal provocation and lavage.
Orifice
Definition:
(n.) A mouth or aperture, as of a tube, pipe, etc.; an opening; as, the orifice of an artery or vein; the orifice of a wound.
Example Sentences:
(1) The authors propose three regular procedures with which they are experienced: repair with a large retromuscular nonabsorbable synthetic tulle prosthesis for extensive epigastric eventrations, fillup aponeuroplasty using the sheath of the rectus abdominis associated with a premuscular patch in case of diastasis or of multiple superimposed orifices and suture associated with a small retromuscular auxiliary patch to treat small incisional hernias.
(2) The parameters of LES relaxation for both wet and dry swallows were similar using either a carefully placed single recording orifice or a Dent sleeve.
(3) The important concept implicit in this formula is that the hemodynamic evaluation of a stenotic valve requires that the pressure gradient across that valve be examined in light of the cardiac output passing through the orifice.
(4) Bronchoscopy may then be carried out in order to study the area surrounding the diverticular orifice more closely, and to establish the condition of its mucous lining.
(5) To study the effect of air sac pressures, a controllable pressure difference was produced between the air sac orifices of fixed duck lungs.
(6) This determines that the ureteral orifice enter the urogenital sinus laterally with respect to the Wolffian duct.
(7) The orifice size was slightly, but not significantly, smaller in patients over age 70 years compared with those younger than 70.
(8) In the light of experience acquired in our Echocardiography Laboratory, we recommend, in accordance with data from the literature, the exclusive use of pulsed Doppler and measurement of valve orifices by two-dimensional imaging at the point of insertion of the aortic and sigmoid cusps as well as at the mitral ring.
(9) Then using mathematical rules we configured out the mean volume of the root canal of each group and the mean value of the diameter of the orifice of the canal of each group of teeth.
(10) Loading is achieved by the production of transient, survivable plasma membrane disruptions as cells are passed back and forth through a standard syringe needle or similar narrow orifice.
(11) The standard surgical management of patients presenting with transitional cell carcinoma of the upper urinary tract is nephroureterectomy with excision of a cuff of bladder around the ureteric orifice.
(12) In this color Doppler method, one or more isovelocity surface areas (PISA), delineated by blue and red aliasing velocity interfaces, can be identified proximal to the narrowed orifice.
(13) Mitral orifice area is best determined with cross-sectional (two-dimensional) imaging systems.
(14) Hemodynamic comparison of the Carpentier-Edwards bioprosthesis with the standard Hancock xenograft showed similar effective orifice areas for the 23 and 25 mm diameter valves.
(15) Histological examination revealed ductal tissue in the wall of a pulmonary artery in more than half of the cases with atresia of the pulmonary orifice.
(16) Peak velocities in the rapid filling phase (R) and atrial contraction phase (A) were measured using two-dimensional Doppler echocardiography in the center of the mitral orifice in diastole.
(17) By combining Doppler catheter, echocardiographic and cardiac catheterization techniques, the effective aortic regurgitant orifice area may be estimated; this hydrodynamic area correlates with grading by supravalvular aortography.
(18) Recent improvements in two-dimensional, planar instrumentation promise to make echocardiography even more versatile, permitting more comprehensive views of left ventricular function, valve orifice areas, and the spatial relationships of the great vessels and ventricular chambers.
(19) The proximal isovelocity surface area (PISA) method, assessed by color Doppler echocardiography, has gained acceptance as a means of calculating flow rate through regurgitant orifice.
(20) The authors have gained minimum blood losses when suturing with provisional catgut ligature through the urinary bladder bottom between interureteral fold and internal urethral orifice yet before dessection of adenoma surgical capsule and tumor enucleation.