What's the difference between precession and recession?

Precession


Definition:

  • (n.) The act of going before, or forward.

Example Sentences:

  • (1) Self-reported and observer-rated signs and symptoms of nicotine withdrawal were assessed precessation and 2, 7, 14, 30, 90, and 180 days postcessation in smokers who quit on their own for 30 days.
  • (2) This review of basic physics of nuclear magnetic resonance (NMR) discusses precession of magnetic nuclei in a static external field, introduces the concept of the rotating frame, and describes excitation of nuclei by an RF field.
  • (3) By allowing a free precession interval before signal acquisition, time is left for field gradients to be switched and for undesirable transients to decay.
  • (4) We report in vitro and in vivo MR studies of hemorrhage using the gradient-echo pulse sequence, FISP (steady state free precession) and FLASH (spoiling of transverse magnetization) at 1.5 Tesla.
  • (5) Precession photographs from these crystal forms are very alike, suggesting the molecular packing to be similar in all three forms.
  • (6) Crystals were analyzed using precession photography and were assigned to trigonal space group R32 with unit cell dimensions a = b = 115 A, c = 385 A.
  • (7) The results obtained in a previous study using 131I fibrinogen in cancerous patients suggested a local intravascular clotting precess.
  • (8) According to the study of the 8 cases published since 1956 and of this personal case the precession of a benign porosyringeal tumour seems probable but has never been proved.
  • (9) Canavanine also affects regulatory and catalytic reactions of arginine metabolism, arginine uptake, formation of structural components, and other cellular precesses.
  • (10) The temperature, concentration and Larmor precession frequency dependences can be well described by the conception of fast exchange in a simple biphasic model of water molecules rotation in the first hydration layer with slight anisotropy of motion.
  • (11) The space group and unit cell dimensions were determined with a precession camera and a four-circle diffractometer to be C222(1), and a = 157.1 A, b = 85.5 A, and c = 79.7 A, respectively.
  • (12) Microperfusion of pertubular capillaries failed to demonstrate urinary precession of 3H-gentamicin over 14C-inulin, a finding which argues against a rapid transtubular secretory flux of gentamicin.
  • (13) When this residual phase coherency is utilized in conjunction with the fast SSFP (steady-state free precession) technique, both the FID and the echo signals can be obtained.
  • (14) Steady-state free precession (SSFP) pulse sequences can produce magnetic resonance (MR) images rapidly, in which cerebrospinal fluid (CSF) is several times more intense than the other tissues.
  • (15) The detector is stationary which causes a distortion that is negligible for precession angles less than 10 degrees.
  • (16) There exists an age-related precession of taurine uptake values by brush border membrane vesicles prepared from nursing rats from youngest to oldest.
  • (17) Naturally processed peptide fragments bound to MHC class II molecules are peptides of 13-17 amino acids which appear to be precessively truncated from the carboxy terminus, perhaps after binding to the MHC class II molecule.
  • (18) The space group was determined using screenless small-angle precession photographs, and was confirmed by analyzing area detector diffraction data with the XENGEN programs for indexing and refinement.
  • (19) In a series of 18 consecutive cases of acute significant inversion trauma to the ankle, a three-dimensional fast imaging with steady-state precession pulse sequence (3D FISP) was performed.
  • (20) Results indicated that a FISP (fast imaging with steady precession) sequence with a TR of 50 msec, TE of 15 msec, velocity compensation in the read and section-select directions, acceleration compensation in the read direction, anisotropic volume, and a 1.25-mm partition thickness produced three-dimensional angiographic MR images that were accurate and reproducible in the depiction of the major intracranial vessels.

Recession


Definition:

  • (n.) The act of receding or withdrawing, as from a place, a claim, or a demand.
  • (n.) The act of ceding back; restoration; repeated cession; as, the recession of conquered territory to its former sovereign.

Example Sentences:

  • (1) But the wounding charge in 2010 has become Brown's creation of a structural hole in the budget, more serious than the cyclical hit which the recession made in tax receipts, at least 4% of GDP.
  • (2) S&P – the only one of the three major agencies not to have stripped the UK of its coveted AAA status – said it had been surprised at the pick-up in activity during 2013 – a year that began with fears of a triple-dip recession.
  • (3) Epidermolytic PPK is a well delineated autosomal dominant entity, but no recessive form is known.
  • (4) In junctions, 3' PSS termini are preserved by fill-in DNA synthesis, although their 5' recessed ends cannot serve as a primer.
  • (5) No changes in degree of recession were observed during the 4-year period.
  • (6) Although the reeler, an autosomal recessive mutant mouse with the abnormality of lamination in the central nervous system, died about 3 weeks of age when fed ordinary laboratory chow, this mouse could grow up normally and prolong its destined, short lifespan to 50 weeks and more when given assistance in taking paste food and water from the weaning period.
  • (7) About one out of three profoundly deaf children has an autosomal recessive form of inherited deafness.
  • (8) Frequency and localization of spontaneous and induced by high temperature (37 degrees C) recessive lethal mutations in X-chromosome of females belonging to the 1(1) ts 403 strain defective in synthesis of heat-shock proteins (HSP) were studied.
  • (9) Cable argued that the additional £30bn austerity proposed by the chancellor after 2015 went beyond the joint coalition commitment to eradicate the structural part of the UK's current budget deficit – the part of non-investment spending that will not disappear even when the economy has fully emerged from the recession of 2008-09.
  • (10) The polygenic control of diabetogenesis in NOD mice, in which a recessive gene linked to the major histocompatibility complex is but one of several controlling loci, suggests that similar polygenic interactions underlie this type of diabetes in humans.
  • (11) If a tear is found, remove all unstable meniscal fragments, leaving a rim, if possible, especially adjacent to the popliteus recess, and then proceed to open cystectomy.
  • (12) Spain's IBEX has tumbled more than 2%, despite its central bank predicting that the country's recession is over.
  • (13) In Colchester, David Sherwood of Fenn Wright reported: "High tenant demand but increasingly tenants in rent arrears as the recession bites."
  • (14) Bimedial rectus recession with measurement from the limbus was combined with conjuctival recession 85 children undergoing surgery for esotropia.
  • (15) When used in snail neurones such electrodes gave very similar pHi values to those recorded simultaneously by recessed-tip glass micro-electrodes.
  • (16) An autosomal recessive mode of inheritance of this deficiency was found.
  • (17) Deficiency of glucosamine-6-sulphatase activity leads to the lysosomal storage of the glycosaminoglycan, heparan sulphate and the monosaccharide sulphate N-acetylglucosamine 6-sulphate and the autosomal recessive genetic disorder mucopolysaccharidosis type IIID.
  • (18) All the teeth were also measured on both their buccal and lingual aspects to assess the amount of gingival recession.
  • (19) The data on sex-chromosome loss, sex-linked recessive lethals and autosomal translocations suggest lack of mutagenicity.
  • (20) Parental consanguinity suggests that an autosomal recessive mutation is the likely aetiology.