What's the difference between aft and surround?

Aft


Definition:

  • (adv. & a.) Near or towards the stern of a vessel; astern; abaft.

Example Sentences:

  • (1) All values for the AFT were on an equal level for normal subjects younger than 65 years.
  • (2) This caused variations in fore-and-aft motion with position along the vertical axis of the head and variations in vertical motion with position along the fore-and-aft axis of the head.
  • (3) Here, we report a combined biochemical and microscopical attempt to determine whether the protein reduction occurs throughout the excised, in vitro-cultured root and whether the plasmalemma proteins which are affected by AFTs can be both solubilized and characterized.
  • (4) The impulses of fore-aft force were closely correlated with step length.
  • (5) The design considerations and trade-offs associated with the choice of slit width, slit separation distance, and aft slot depth are discussed along with the effect of these parameters on the SMSA's performance.
  • (6) A total of 792 ATCs and 2,366 AFTs completed the Strong Vocational Interest Blank (SVIB) and questionnaires concerning job satisfaction and job attitudes.
  • (7) The data indicate that the biological activity of AFT-6 is partly due to the molecules having antigenic determinants of AgT-1.
  • (8) Electronic scanning-slit fluorography involves replacing paired fore and aft slits for scatter rejection with only one beam-defining tantalum fore aperture.
  • (9) Since the vestibulospinal level of vestibular function is frequently neglected in the evaluation of vertiginous patients, we developed a new posture equilibrometer for recording body swaying X (left-right) and Y (fore-aft) components of angular displacement, velocity, and acceleration with its transducer on the head of the subject.
  • (10) During the assault, which began in earnest 40 miles from the coast, several journalists continued to broadcast from the aft deck, sharing a microphone in a relay as they broadcast to the world.
  • (11) Using the transducer AFT was monitored noninvasively over extended periods in about 200 normal and sick neonates.
  • (12) These results indicate that for a period of approximately 5 days afte r ovulation, the development of the rabbit ectopic corpus luteum and the secretion of progesterone are autonomous from estradiol secreted by ovarian follicles.
  • (13) There was no rebound decrease in AFT up to 65 minutes.
  • (14) Onsets and magnitudes of lateral and fore-aft reactive forces associated with the movement and of electromyographic (EMG) activity of the ipsilateral deltoid and external abdominal oblique and contralateral paraspinal muscles were monitored.
  • (15) At sacrifice there was extensive bile ductule cell proliferation and numerous precancerous changes evident in AFT-treated animals.
  • (16) Substituting the IM fat estimate at the 12th rib for adjusted fat thickness (AFT) in the equation explained 60% of the variation in percentage of chemical fat.
  • (17) No changes in AFT or VFT were noted in control experiments.
  • (18) UK defense hardware firm BAE Systems makes the airplane’s aft section; Californian company Northrop Grumman makes the plane’s center fuselages, as does Ankara’s Turkish Aerospace Industries.
  • (19) The body sway response signals are digitized for the calculation of the following parameters by a computer: average velocity of body sway, mean value for fore-aft and lateral body sway, and maximal amplitude of body sway.
  • (20) For the frontal patients, significant correlations were found between the number of prompts on the AFT and the number of perseverative errors on the WCST.

Surround


Definition:

  • (v. t.) To inclose on all sides; to encompass; to environ.
  • (v. t.) To lie or be on all sides of; to encircle; as, a wall surrounds the city.
  • (v. t.) To pass around; to travel about; to circumnavigate; as, to surround the world.
  • (v. t.) To inclose, as a body of troops, between hostile forces, so as to cut off means of communication or retreat; to invest, as a city.
  • (n.) A method of hunting some animals, as the buffalo, by surrounding a herd, and driving them over a precipice, into a ravine, etc.

Example Sentences:

  • (1) Such was the mystique surrounding Rumsfeld's standing that an aide sought to clarify that he didn't stand all the time, like a horse.
  • (2) The lesion (10.6 X 9.8 mm) was a well-defined ellipsoid granuloma due to a foreign body with a central zone of necrosis surrounded entirely by a fibrous wall.
  • (3) It was hypothesized that compensatory restraining influences of surrounding soft tissues prevented a more severe facial malformation from occurring.
  • (4) Their receptive fields comprise a temporally and spatially linear mechanism (center plus antagonistic surround) that responds to relatively low spatial frequency stimuli, and a temporally nonlinear mechanism, coextensive with the linear mechanism, that--though broad in extent--responds best to high spatial-frequency stimuli.
  • (5) "I was eight in 1983, but I remember a plane that flew low over our Bulawayo suburb and army loud-hailers screaming: 'You are surrounded.'
  • (6) The usefulness of the proposed method is obvious in cases where the composition of a precipitate on LM scale is to be compared with the LM appearance of the surrounding tissue.
  • (7) Degraded visual acuity had a significant effect on cadence, foot placement, and foot clearance, but visual surround conditions did not.
  • (8) Computed tomography does not allow differentiation between these lesions and surrounding normal tissues.
  • (9) The efficacy of the process is dependent on immersion medium, while the degree of surrounding tissue damage is dependent on energy dose.
  • (10) In cat, DARPP-32-immunoreactive cell bodies identified as Müller cells were demonstrated in the inner nuclear layer (INL) with processes closely surrounding the cell soma of photoreceptors in the outer nuclear layer.
  • (11) In the univariate life-table analysis, recurrence-free survival was significantly related to age, pTNM category, tumour size, presence of certain growth patterns, tumour necrosis, tumour infiltration in surrounding thyroid tissue and thyroid gland capsule, lymph node metastases, presence of extra-nodal tumour growth and number of positive lymph nodes, whereas only tumour diameter, thyroid gland capsular infiltration and presence of extra-nodal tumour growth remained as significant prognostic factors in the multivariate analysis.
  • (12) Surrounding intact ipsilateral structures are more important for the recovery of some of the language functions, such as motor output and phonemic assembly, than homologous contralateral structures.
  • (13) The dual-probe system incorporates a central collimated probe for monitoring activity in the LV surrounded by an annular detector collimated in such a manner as to provide simultaneous real-time monitoring of the LV background activity.
  • (14) This technique is sensitive to the optical anisotropy within the muscle, including that due to intrinsic properties of the protein molecules as well as that due to the regular arrangement of proteins in the surrounding medium.
  • (15) Surrounding parenchyma may be partially compressed.
  • (16) The stage of a given malignancy, representing the degree of spread of the tumor to its local surroundings or distant sites, is the best predictor of long-term survival.
  • (17) At this stage of the observation period the labeling index was very low in surrounding liver, but still high in the gamma-glutamyltranspeptidase-positive areas.
  • (18) The third effect was a shift in center-surround balance towards a more dominant center.
  • (19) Although sound pressure levels are high, they are probably reduced before reaching the cochlea of the fetus because of the surrounding amniotic fluid and the fluid in the middle ear.
  • (20) Glial siphoning can distribute the potassium preferentially toward the blood vessels in the area, leading to an elevation in potassium concentration in the ECF surrounding the vascular smooth muscle of the arterioles.