(1) Twenty-one subjects flew aboard a KC-135 aircraft operated by the National Aeronautics and Space Administration (NASA) which performed parabolic maneuvers resulting in periods of 0-g, 1-g, and 1.8-g. Each subject flew once with a tablet containing scopolamine and once with a placebo in a random order, crossover design.
(2) Multispectral techniques originally developed by the National Aeronautics and Space Administration for satellite image analysis were used in sequence selection, image data correction, image standardization, and image interpretation.
(3) The second "aggregation of red cells" experiment that was performed on the National Aeronautics and Space Administration's space-shuttle Discovery's flight STS 26 confirms the results that were obtained in 1985; however, some new features have come to light, in particular, the observation of a clot or thrombus which, so far, remains unexplained.
(4) But it is equally notable that this was the first instance in the age of powered flight where there was an active collaboration between the scientists and engineers, a rather curious circumstance in view of the fact that the achievement of altitude record-setting balloon flights in the nineteenth century had owed a great deal to an interconnection of aeronauts and scientists' laboratories.
(5) Minimal changes were found on the Farnsworth D-15 test, aeronautical chart color identification task, visual acuity, phoria, and stereoscopic depth perception.
(6) They are: 1. medical evaluation of iarcrews; 2. aeronautical innovations which tailor the machine to the man; 3. imporvement of precision navigational air traffic control and flight procedures; 4. standardization of flight training and flight procedures.
(7) Because the data base on loss of RCM is insufficient for the National Aeronautics and Space Administration's space medical responsibilities, the Life Sciences Research Office ad hoc Working Group on Space Anemia suggested research approaches ranging form fundamental topics such as utilization of erythropoietin and oxygen in target organs and cell-cell interactions, through possible splenic and vascular dysfunctions, metabolic disturbances, and inhibitors of erythropoiesis, to methodology and models.
(8) We investigated the cardiotoxic effects of 1,1,2-Trichloro-1,2,2- Trifluoroethane (fluorocarbon 113 or FC113) exposures among healthy workers cleaning rocket and ground support equipment for the National Aeronautic and Space Administration (NASA) programs.
(9) Statistics regarding ranks, age groups, and aeronautical ratings are presented.
(10) They believe men like Lionel McIver, 23, who works in Inverness for the wave energy firm Wavegen, with his aeronautical engineering degree, would flock home if Lewis became a centre for renewable energy.
(11) Unlike the supremely adapted swallow aeronauts that skimmed the grass in the pastures and would shortly be migrating, the redstart merely flitted between perches on broad wings that seem better suited to following the erratic flight of an insect than to long-distance travel.
(12) The new drone contract is with the California-based drone company General Atomics Aeronautical Systems, and is intended to develop better imaging and also improve data links for the Protector.
(13) Smart students get sponsored Facebook Twitter Pinterest Budding aeronautical engineers get sponsored degrees With the cost of going to university a big concern, applicants should explore their options for sponsored degrees.
(14) This study determined the ability of 12 presbyopic subjects to read numerals from aeronautical approach procedure charts.
(15) Booz Allen has also admitted to overbilling the National Aeronautics and Space Administration (Nasa) "employees at higher job categories than would have been justified by their experience, inflating their monthly hours and submitting excessive billing at their off-site rate."
(16) The recorders, now nearly 60 years old, were originally invented by Australian aeronautical scientist Dr David Warren .
(17) Lastly, mention is made of technical products required by the aeronautical regulations, the dangers associated with them, and the preventive measures required.
(18) To elucidate the effect of normal gravitation on the shape of the maximum expiratory flow-volume (MEFV) curve, we studied nine normal subjects in a National Aeronautics and Space Administration microgravity research aircraft.
(19) An alarm algorithm was developed to monitor the ventilator on the National Aeronautics and Space Administration space station.
(20) Alexis was studying for an aeronautics degree via online classes at Embry-Riddle aeronautical university, the Associated Press reported.
Balloon
Definition:
(n.) A bag made of silk or other light material, and filled with hydrogen gas or heated air, so as to rise and float in the atmosphere; especially, one with a car attached for aerial navigation.
(n.) A ball or globe on the top of a pillar, church, etc., as at St. Paul's, in London.
(n.) A round vessel, usually with a short neck, to hold or receive whatever is distilled; a glass vessel of a spherical form.
(n.) A bomb or shell.
(n.) A game played with a large inflated ball.
(n.) The outline inclosing words represented as coming from the mouth of a pictured figure.
(v. t.) To take up in, or as if in, a balloon.
(v. i.) To go up or voyage in a balloon.
(v. i.) To expand, or puff out, like a balloon.
Example Sentences:
(1) Technical factors that account for increased difficulty in these patients include: problems with guide catheter impaction and ostial trauma; inability to inflate the balloon with adequate guide catheter support; and need for increased intracoronary manipulation.
(2) A new balloon catheter has been developed for angioplasty.
(3) Completeness of isolation of the coronary and systemic circulations was shown by the marked difference in appearance times between the reflex hypotensive responses from catecholamine injections into the isolated coronary circulation and the direct hypertensive response from a similar injection when the circulations were connected as well as by the marked difference between the pressure pulses recorded simultaneously on both sides of the aortic balloon separating the two circulations.4.
(4) In the case presented, overdistension of a jejunostomy catheter balloon led to intestinal obstruction and pressure necrosis (of the small bowel), with subsequent abscess formation leading to death from septicemia.
(5) Combined SEM and TEM examination of the endothelium of compressed segments revealed "craters" and "balloons", blebs and vacuoles, swollen mitochondria, dilated granular endoplasmic reticulum, and subendothelial edema.
(6) The complex problems have been successfully managed with novel guiding catheter shapes and ultralow profile balloons.
(7) This study compares the effects of 60 minutes of ischemic arrest with profound topical hypothermia (10 dogs) on myocardial (1) blood flow and distribution (microspheres), (2) metabolism (oxygen and lactate), (3) water content (wet to dry weights), (4) compliance (intraventricular balloon), and (5) performance (isovolumetric function curves) with 180 minutes of cardiopulmonary bypass with the heart in the beating empty state (seven dogs).
(8) The hemodynamic measurements and mitral valve area calculations were performed with and without balloon occlusion of the atrial septal puncture site.
(9) The balloon was then deflated, permitting blood reperfusion.
(10) In order to delineate the critical blood flow pattern during the Cushing response in intracranial hypertension, regional cerebral blood flow was measured with radioactive microspheres in 12 anesthetized dogs at respiratory arrest caused either by expansion of an epidural supratentorial balloon or by cisternal infusion.
(11) Segmentally enclosed thrombolysis (SET) was undertaken immediately after PTA, when a double balloon catheter was positioned with a balloon at each end of dilated segments.
(12) 2B7 mRNA levels in both carotid and aortic artery increase with age, and are elevated approximately 5-fold in the carotid artery 48 h after balloon angioplasty.
(13) Each study consisted of a 2-h control period followed by 4 h of increased lung microvascular pressure produced by inflation of a balloon in the left atrium.
(14) Intracoronary imaging after balloon angioplasty reveals that a significant amount of atheroma is still present, which may partly explain why the incidence of restenosis is high after percutaneous transluminal coronary angioplasty.
(15) Understanding of the physiologic parameters governing blood flow to the lower extremity is clearly useful in this day of interventional balloon angioplasty.
(16) Smooth muscle cells (SMCs) in balloon-injured rat carotid artery express tissue-type plasminogen activator (t-PA) at a time when they are migrating from the media to the intima.
(17) The orientation of the dilating balloon in the inlet and outlet portions of the left ventricle, change of the catheter-dilator is controlled due to a loop of the conductor connecting the right and left parts of the heart.
(18) We describe a premature infant with progressive worsening of unilateral PIE, which was successfully treated by selective bronchial balloon catheterization after failure of conservative management.
(19) Analysed were the results of surgical treatment, causes of the failure and early recurrence in 108 patients with retinal detachment in whom was performed an indentation of the sclera by means of a balloon (1st group--50) or by an episcleral implant (2d group--58).
(20) Modified liposomes and erythrocytes were perfused in situ through segments of bovine, rabbit, or human arteries partially denuded with a balloon catheter prior to perfusion.