What's the difference between sandpaper and surface?

Sandpaper


Definition:

  • (n.) Paper covered on one side with sand glued fast, -- used for smoothing and polishing.
  • (v. t.) To smooth or polish with sandpaper; as, to sandpaper a door.

Example Sentences:

  • (1) A model of an irregular anterior corneal surface was developed in deepithelialized calf eyes using grade 8-0 sandpaper.
  • (2) The sapphire home button of the iPhone 5S resisted all scratches from both sandpapers.
  • (3) The searing aftermath, as your throat rages as though sandpapered and your anus screams like a scalded button.
  • (4) A softer garnet sandpaper, which is about six on the Mohs scale, and emery, which is about eight on the Mohs scale, were used on the two screens.
  • (5) The remaining scapha is straightened and the superior crus and antihelical fold are formed by scratching and sandpaper abrasion of the lateral surface.
  • (6) Two years ago Steve Jobs, then Apple chief executive, dismissed the idea of a 7in tablet "unless your tablet also includes sandpaper, so that the user can sand down their fingers to around one-quarter of the present size" to use the smaller touchscreen.
  • (7) In Experiment 1, rats were trained on a discrimination between rubber- and sandpaper-covered arms of a maze after one group had been pre-exposed to these intra-maze cues.
  • (8) Stress in the longitudinal direction was radiographically calculated in the cast specimens (6 mm X 18 mm) after casting, sandpaper polishing, oxidation, and each firing process.
  • (9) Sections of 15 microns are obtained by cutting the trimmed and sandpapered polyester blocks with an LKB multirange microtome.
  • (10) Sections 10 microns thick are obtained by cutting the trimmed and sandpapered acrylic blocks on an LKB multirange microtome.
  • (11) Sandpaper wrapped around a motor-driven cylinder is effective in broad, flat areas but is difficult to use around the eyes and nose.
  • (12) Up to 12 different conditions defined by different combinations of object weights (15, 65, and 115 g) and four surface textures (oiled metal, smooth metal, fine and coarse sandpaper) were used.
  • (13) "; "Very, very good, thank you" – Johnson went downhill at an alarming pace until by the interview's close, admitting he had "sandpapered" quotes as a Times journalist, failing to deny he lied to the party leader at the time, Michael Howard, about an extramarital affair and conceding that he had humoured an old friend when he asked for a phone number in the knowledge that the friend intended to beat up the owner of it.
  • (14) The new video shows Marques Brownlee scratch both an iPhone 5S screen – which uses the third generation of Gorilla Glass – and the alleged iPhone 6 4.7in screen with two different types of sandpaper.
  • (15) The output of Third Man Records is wilfully unconventional: White recently produced a new album with Neil Young – A Letter Home , acoustic versions of Young's favourite songs – but they recorded it in a 1947 Voice-o-Graph booth that imbues the tracks with a sandpaper crackle.
  • (16) Cameron is a smooth old Etonian; Thatcher was a grammar school girl made from sandpaper.
  • (17) If conditions permitted, the cell discharge was also recorded during lifting of objects of various weights (15, 65, or 115 g) or different surface textures (sandpaper or polished metal), and when possible the cutaneous or proprioceptive fields of the neurons were characterized with the use of natural stimulation.
  • (18) And the hypothetical 7-inch iPad would easily fit in a 5.5" -wide jacket pocket: Lastly, there's another reason for Apple to forget the sandpaper and, instead, throw sand into Amazon's and Google's (purported) 7" tablet gears.
  • (19) Down the crackly phone line, it sounds like sandpaper being scraped against a pebbledash wall.
  • (20) In the first experiment, dentin specimens were divided into following three groups: dentin surface polished with carborundum-point, carborundum-point and #150 sandpaper and carborundum-point, #150 sandpaper and #240 sandpaper.

Surface


Definition:

  • (n.) The exterior part of anything that has length and breadth; one of the limits that bound a solid, esp. the upper face; superficies; the outside; as, the surface of the earth; the surface of a diamond; the surface of the body.
  • (n.) Hence, outward or external appearance.
  • (n.) A magnitude that has length and breadth without thickness; superficies; as, a plane surface; a spherical surface.
  • (n.) That part of the side which is terminated by the flank prolonged, and the angle of the nearest bastion.
  • (v. t.) To give a surface to; especially, to cause to have a smooth or plain surface; to make smooth or plain.
  • (v. t.) To work over the surface or soil of, as ground, in hunting for gold.

Example Sentences:

  • (1) The resulting dose distribution is displayed using traditional 2-dimensional displays or as an isodose surface composited with underlying anatomy and the target volume.
  • (2) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
  • (3) To quantify the size of the lesion in mice, the area of the infarct on the brain surface was assessed planimetrically 48 h after MCA occlusion by transcardial perfusion of carbon black.
  • (4) Using monoclonal antibodies directed against the plasma membrane of Madin-Darby canine kidney (MDCK) cells, we demonstrated previously that a glycoprotein with an Mr = 23,000 (gp23) had a non-polarized cell surface distribution and was observed on both the apical and basolateral membranes (Ojakian, G. K., Romain, R. E., and Herz, R. E. (1987) Am.
  • (5) In the surface epithelial cells, the basolateral cell surface showed moderate enzymatic activity.
  • (6) Such an increase in antibody binding occurred simultaneously with an increase in the fluidity of surface lipid regions, as monitored by fluorescence depolarization of 1-(trimethylammoniophenyl)-6-phenyl-1,3,5-hexatriene.
  • (7) The role of Ca2+ in cell agglutination may be either to activate the cell-surface dextran receptor or to form specific intercellular Ca2+ bridges.
  • (8) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
  • (9) Even with hepatic lipase, phospholipid hydrolysis could not deplete VLDL and IDL of sufficient phospholipid molecules to account for the loss of surface phospholipid that accompanies triacylglycerol hydrolysis and decreasing core volume as LDL is formed (or for conversion of HDL2 to HDL3).
  • (10) A total of 555 caries lesions were registered on proximal surfaces, 49.1% being primary lesions in the enamel, 21.4% primary lesions into the dentin and 29.5% secondary lesions.
  • (11) Contact angles of Silafocon A and PMMA were relatively uninfluenced by front surface radii between 7.7 and 8.85 and 7.3 to 8.8 mm, respectively.
  • (12) These cells contained organelles characteristic of the maturation stage ameloblast and often extended to the enamel surface, suggesting a possible origin from the ameloblast layer.
  • (13) Together these observations suggest that cytotactin is an endogenous cell surface modulatory protein and provide a possible mechanism whereby cytotactin may contribute to pattern formation during development, regeneration, tumorigenesis, and wound healing.
  • (14) Our Ph1-positive ALL revealed B-cell lineage leukemia, since their surface phenotype were Ia+ and CD10+ and they have rearranged immunoglobulin JH genes.
  • (15) The complete nucleotide sequence of the gene for a cell surface protein antigen (SpaA) of Streptococcus sobrinus MT3791 (serotype g) was determined.
  • (16) To investigate the mechanism of enhanced responsiveness of cholesterol-enriched human platelets, we compared stimulation by surface-membrane-receptor (thrombin) and post-receptor (AlF4-) G-protein-directed pathways.
  • (17) Lysis of EAC4b,3b cellular intermediates formed to contain a low surface amount of C3b was more inhibited than was lysis of cells formed with a standard amount of C3b on the surface.
  • (18) After either 5 or 10 days of culture with both cytokines, intense immunofluorescent staining for Ia could be identified on the surface of greater than 80-90% of the viable islet cells.
  • (19) Within the capillary-perfused mucosa and muscularis (between 50 and 2000 microns from the urothelial surface), concentrations decreased by 50% for each 500-microns distance.
  • (20) Displacement of the surface of the cornea of bovine eyes after disruption of intact structures was investigated by means of holographic interferometry.

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