What's the difference between trace and trajectory?

Trace


Definition:

  • (n.) One of two straps, chains, or ropes of a harness, extending from the collar or breastplate to a whiffletree attached to a vehicle or thing to be drawn; a tug.
  • (v. t.) A mark left by anything passing; a track; a path; a course; a footprint; a vestige; as, the trace of a carriage or sled; the trace of a deer; a sinuous trace.
  • (v. t.) A very small quantity of an element or compound in a given substance, especially when so small that the amount is not quantitatively determined in an analysis; -- hence, in stating an analysis, often contracted to tr.
  • (v. t.) A mark, impression, or visible appearance of anything left when the thing itself no longer exists; remains; token; vestige.
  • (v. t.) The intersection of a plane of projection, or an original plane, with a coordinate plane.
  • (v. t.) The ground plan of a work or works.
  • (v. t.) To mark out; to draw or delineate with marks; especially, to copy, as a drawing or engraving, by following the lines and marking them on a sheet superimposed, through which they appear; as, to trace a figure or an outline; a traced drawing.
  • (v. t.) To follow by some mark that has been left by a person or thing which has preceded; to follow by footsteps, tracks, or tokens.
  • (v. t.) Hence, to follow the trace or track of.
  • (v. t.) To copy; to imitate.
  • (v. t.) To walk over; to pass through; to traverse.
  • (v. i.) To walk; to go; to travel.

Example Sentences:

  • (1) Glyceryl p-aminobenzoate and amyl p-dimethyl-aminobenzoate were labeled on 1 and 3 sunscreens, respectively, but glyceryl p-aminobenzoate was not found in any of them and only traces of amyl p-dimethylaminobenzoate were found in 1 sunscreen.
  • (2) Throughout the entire cultivation cytidyl derivatives occurred in trace quantities.
  • (3) persisted and was more abnormal in 23% of the cases including specific tracings in 37%.
  • (4) Traces of the sulphoxide of butylmercapturic acid have been found in rat urine but not in rabbit urine.
  • (5) No 7 beta-hydroxysteroid dehydrogenase activity and only a trace of 7 alpha-hydroxysteroid dehydrogenase activity could be demonstrated when bile acid was deleted from the growth medium.
  • (6) Silicon, a relatively unknown trace element in nutritional research, has been uniquely localized in active calcification sites in young bone.
  • (7) Although various micronutrients (vitamins and trace elements) have also been found to have either a positive or negative association, findings were more clear-cut for the different food items contributing the micronutrients than for the specific micronutrients themselves.
  • (8) Methods used in tracing and improving cooperation of subjects are described.
  • (9) Her black persona unravelled this week when Ruthanne and Larry Dolezal, a couple named on her Montana birth certificate as her biological parents, told Spokane’s KREM 2 News that her ancestry was German and Czech, with traces of Native American.
  • (10) they are shown to inhibit in vitro the release of iron from acidified host cell cytosol, consisting mostly of hemoglobin, a process that could provide this trace element to the parasite.
  • (11) Thus, the carotid pulse tracing provides an accurate reproduction of the morphology of the pressure tracing recorded from the ascending aorta, and when calibrated by peripheral blood pressure measurement, it can be used to calculate LV pressure throughout ejection.
  • (12) Mutant C grew anaerobically in the light, whereas mutant G1 was light sensitive and produced only trace amounts of bacteriochlorophyll a (0.6 mumole per ml of protein).
  • (13) The effect was shown to be due to caldesmon and not to a trace contaminant by its full reversibility after addition of a monospecific caldesmon antibody.
  • (14) Of 15 organochlorine compounds analyzed, trace amounts mainly of p,p-DDE and polychlorinated biphenyls (PCBs) were detected, but could not be quantitated.
  • (15) Fifty physiologically characterized units were injected with horseradish peroxidase (HRP) or Lucifer yellow CH (LY) and their processes were traced to the crista.
  • (16) Polysomnography has revealed that this drug has several interesting qualities that benzodiazepines do not possess: stages 3-4 increase, stage 2 is unchanged or slightly reduced and no abnormal changes are detected on the EEG tracing.
  • (17) We find that the labelled cell has a myelinated axon, but that the axon loses its myelin within 50 microns of the soma and has not yet been traced further.
  • (18) He is likely to propose increased funding of plant disease experts, the stepping up of surveillance at ports of entry and a Europe-wide "plant passport" system to trace the origins of all plants coming into Britain.
  • (19) In addition, the postulated personality for PD may predispose to hard work, perspiration, and increased exposure to putative trace elements in the water supply.
  • (20) The voltage trace is then analysed with a piece of transparent paper, on which lines corresponding to solutions of the diffusion equation convert the time axis of the voltage trace into a concentration axis.

Trajectory


Definition:

  • (n.) The curve which a body describes in space, as a planet or comet in its orbit, or stone thrown upward obliquely in the air.

Example Sentences:

  • (1) However, the effects of such large-scale calvarial repositioning on subsequent brain mass growth trajectories and compensatory cranio-facial growth changes is unclear.
  • (2) Peak latencies from all recording sites clustered into two distinct groups--those that included N1 from 'TME,' peak 'I' of the 'A' record and trajectory amplitude peak 'a' of 3-CLT, and those that included the negative peak of '8-AP' and trajectory amplitude peak 'b' of 3-CLT, as well as peak 'II' of the 'A' record, when present.
  • (3) They have similar axon trajectories into the thoracic ganglia, where they invade functionally related neuropils.
  • (4) Six hypotheses to explain how divorce may affect the trajectory of child development were tested using standardized measures and sociodemographic data.
  • (5) Examples include growth trajectories, morphological shapes, and norms of reaction.
  • (6) After being opposed for so many years, the two most dominant institutions on the island are now on trajectories that draw them closer.
  • (7) In considering hardware, the optimum detector system for cone-beam tomography is a system that satisfies the data sufficiency condition for which the scanning trajectory intersects any plane passing through the reconstructed region of interest.
  • (8) Membrane potential trajectories of 68 bulbar respiratory neurones from the peri-solitary and peri-ambigual areas of the brain-stem were recorded in anaesthetized cats to explore the synaptic influences of post-inspiratory neurones upon the medullary inspiratory network.
  • (9) Virtual trajectory is considered a behavioral observable.
  • (10) Preoperatively, the CT characteristics of the proposed trajectory of the biopsy needle were determined and correlated intraoperatively with the impedance profile as obtained with a monopolar electrode.
  • (11) Thus, the trajectory of group I fibers was somatotopically organized both in the dorsal funiculus and in the gray matter.
  • (12) The paper presents a quantitative study of the trajectories of rat granulocytes (PMNs) migrating on a glass surface inclined at various angles, i.e.
  • (13) Although we found clear and consistent subject-specific differences, the most common pattern in oblique visually-guided (i.e., fast) saccades reflected early dominance of the horizontal velocity signal as expressed in saccade trajectories curving away from the horizontal axis.
  • (14) Reactive leukocytosis trajectory in these patients was compared to the analogous trajectory in 87 dogs with experimentally induced inflammation.
  • (15) The Saudis and other Gulf states still support rebel fighting formations – as much because of inertia and hostility to Iran as anything else – but western backing is on a downward trajectory as concerns mount about the risks of blowback from al-Qaida-linked groups.
  • (16) The [Ca2+]i-length relation defined by the common trajectory shifts appropriately in response to perturbations that have previously been demonstrated to alter the steady-state myofilament Ca2+ sensitivity in skinned cardiac fibres.
  • (17) No "flips" to the opposite puckering for this ring were found in the simulations starting from the global minimum, although such a transition was observed for a trajectory initiated with one of the higher local minimum energy conformations.
  • (18) They share a number of characteristic features: In both systems the columns have a tendency to form regularly spaced parallel bands whose main trajectory is perpendicular to the border between areas 17 and 18.
  • (19) In addition to animating trajectories, ADAPTU was written to permit diagram generation in two and three dimensions for a detailed analysis, the extraction and listing of properties of a selected conformation and the visualization of the development of constraints in a restrained dynamics.
  • (20) * The trajectories of moustaches and Movember are now crossing, in a year when facial hair became the aesthetic calling card of hipsters: “I don’t know about this whole hipster association,” explains Travis Garone, one of the original founders of Movember.