What's the difference between sapphire and topaz?

Sapphire


Definition:

  • (n.) Native alumina or aluminium sesquioxide, Al2O3; corundum; esp., the blue transparent variety of corundum, highly prized as a gem.
  • (n.) The color of the gem; bright blue.
  • (n.) Any humming bird of the genus Hylocharis, native of South America. The throat and breast are usually bright blue.
  • (a.) Of or resembling sapphire; sapphirine; blue.

Example Sentences:

  • (1) CW Nd:YAG light transmitted by fiber optic cable and sapphire crystal was applied transsclerally to the ciliary body of pigmented and albino rabbits.
  • (2) Diana of the sapphire eyes was rated more perfect than Botticelli's Venus and attracted Bryan Guinness, heir to the brewing fortune, as soon as she was out in society.
  • (3) However, the forward transmission of Nd-YAG energy through the sapphires varied (SMTR, 85%; MTR, 83%; MTRL, 75%; OS, 54%; LT, 69%).
  • (4) In order to avoid the drawbacks of the cutting end of the bare optic fibers, it may be covered with sapphire optics which conducts well laser energy.
  • (5) A contact artificial sapphire, developed for use with the Nd:YAG laser, allows the performance of open surgery (laser probe) and has endoscopic applications for the treatment of gastrointestinal bleeding (micro laser tip) and tumors (micro laser rod).
  • (6) A spokesman for the Metropolitan Police had said: "Officers from Sapphire are investigating an allegation of rape which happened on 6 May in the west London area.
  • (7) Post-mortem aortic specimens of normal wall, lipomatous and calcified plaques were exposed to both continuous wave lasers (argon, neodymium-YAG 1064 nm) coupled to hot-tipped or sapphire tipped fibres and pulsed lasers (Excimer 193 nm, CO2, erbium-YAG).
  • (8) We report our first 20 cases of peripheral laser angioplasty using an optic fibre with contact sapphire tip.
  • (9) Contact probes made from synthetic sapphire crystal, designed for general laser surgery, are currently being evaluated for use in laser angioplasty.
  • (10) Apple has entered into a joint venture in the US with GT Advanced to build plants and furnaces able to produce sapphire in industrial quantities for a “critical component” that it said in trade documents would be shipped abroad for assembly.
  • (11) However, variation in the thermal and optical properties of sapphires from different sources has been demonstrated.
  • (12) The old warehouses that edge the small pebble beach and sapphire-blue water are still owned by the same families, but they have now been converted into a rather special hotel.
  • (13) The authors undertook an investigation to evaluate the efficacy and complications of performing internal sclerostomy with the synthetic sapphire contact neodymium:YAG (Nd:YAG) laser compared with standard external thermal sclerostomy.
  • (14) From a sapphire and diamond brooch to a humble bag of salt, the Queen picked up an eclectic haul of official gifts during the year she became Britain’s longest-reigning monarch.
  • (15) The sapphire home button of the iPhone 5S resisted all scratches from both sandpapers.
  • (16) Complicated hemangiomas of the hand or upper extremity have been resected in eight patients with use of the YAG laser with sapphire scalpels.
  • (17) An Nd-YAG laser and an optical fiber delivery system with a sapphire tip serving as a contact probe were used for PTLA.
  • (18) In conclusion, our results show that CO2 perfusion facilitates more effective laser ablation of atheromatous plaque than saline perfusion by the sapphire probe with the continuous wave Nd-YAG laser.
  • (19) Transvitreal pars plana sclerotomy using the contact Nd:YAG laser with a sapphire probe was performed on a group of rabbit eyes and compared with a similar procedure performed with a Ziegler knife.
  • (20) Results revealed that the adherence to target tissue and tissue damage were more apparent with metal caps than those with sapphire tips.

Topaz


Definition:

  • (n.) A mineral occurring in rhombic prisms, generally yellowish and pellucid, also colorless, and of greenesh, bluish, or brownish shades. It sometimes occurs massive and opaque. It is a fluosilicate of alumina, and is used as a gem.
  • (n.) Either one of two species of large, brilliantly colored humming birds of the Topaza, of South America and the West Indies.

Example Sentences:

  • (1) The aim of this study was to compare the effects upon marginal leakage of a number of dentine bonding agents: Gluma, Scotchbond, Topaz and an experimental material when used with a posterior composite resin, Occlusin.
  • (2) TOPAZ generates a narrative summary of the temporal events found in the electronic medical record of patients receiving cancer chemotherapy.
  • (3) We describe a program, called TOPAZ, that uses this three-step methodology.
  • (4) Buffett's MidAmerican Energy Holdings will take over Topaz Solar Farm, which is expected to produce enough power to run 160,000 homes when it is up and running in 2015.
  • (5) As an example of this approach, the author describes a program called TOPAZ that contains two temporal models that represent different temporal features of the clinical domain.
  • (6) Perched on the top deck of a Croatian sailing boat just outside Split, I was about to launch myself into the topaz blue of the Adriatic below.
  • (7) The problem of achieving satisfactory interaction between blood and prosthesis was not resolved in these studies, but we were sufficiently encouraged by the hemodynamic effects to look into the possibility of working with the temporary support system initially proposed by Moulopoulos, Topaz, and Kolff [3].
  • (8) Clones carrying the white and topaz eye color genes have been isolated from genomic DNA libraries of the blowfly Lucilia cuprina using cloned DNA from the homologous white and scarlet genes, respectively, of Drosophila melanogaster as probes.
  • (9) MidAmerican sealed the deal for Topaz on Wednesday, a day after the seller, First Solar, failed to secure a US government loan guarantee for the project.
  • (10) A unique feature of TOPAZ is its use of numeric and symbolic techniques to perform different temporal reasoning tasks.
  • (11) Greg Abel, chief executive officer of MidAmerican, said: "[Topaz] demonstrates that solar energy is a commercially viable technology without the support of governmental loan guarantees."
  • (12) Populational distribution of five genetic immunoglobulin markers (light chain allotype L1 and C gamma-allotypes H2, H3, H6 and H8) in minks of different coat color (Sapphire, Standard and Topaz) was studied.
  • (13) "Topaz-1" unit is intended for cleaning of immunological plates.
  • (14) The Topaz model 515 (Vitatron B.V.) is a dual sensor rate responsive pacemaker for single chamber stimulation.
  • (15) Restriction site and restriction fragment length polymorphisms involving both the white and topaz gene regions are found within and between populations of L. cuprina.

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