Optically Sentence Examples

optically
  • The osazone prepared from a-acrose resembled most closely the glucosazone yielded by glucose, mannose, and fructose, but it was optically inactive; also the ketose which it gave after treatment with hydrochloric acid and reduction of the osone was like ordinary fructose except that it was inactive.

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  • It crystallizes in colourless prisms and is optically active.

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  • Since the molecule contains an asymmetric carbon atom, the acid exists in three forms, one being an inactive "racemic" mixture, and the other two being optically active forms. The inactive variety is known as paramandelic acid.

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  • If the configuration of d-saccharic acid were given by either 6 or To, bearing in mind the relation of mannose to glucose, it would then be necessary to represent d-mannosaccharic acid by either 7 or 8 - as the forms 6 and Io pass into 7 and 8 on changing the sign of a terminal group; but this cannot be done as mannosaccharic acid is optically active.

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  • Hence it follows that the " optical " formulae of the acids derived from two pentoses having the configuration given above will be C02H - 0 - C02H CO 2 H + 0 - C02H, and that consequently only one of the acids will be optically active.

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  • When oxidized this aldohexose is first converted into the monobasic galactonic acid, and then into dibasic mucic acid; the latter is optically inactive, so that its configuration must be one of those given in the sixth and seventh columns of the table.

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  • A standard 128 Efork could then be compared either optically or by beats with the electrically driven fork.

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  • It is optically active, the natural form being laevorotatory.

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  • The substance is usually optically isotropic, though sometimes it exhibits anomalous double refraction; fibrous zinc sulphide which is doubly refracting is to be referred to the hexagonal FIG.

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  • The surface region which yields a continuous spectrum is called the photosphere; it possesses optically a sharp boundary, which is generally a perfect sphere, but shows occasionally at the rim slight depressions or more rarely elevations.

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  • It occurs in two optically active forms, namely, as laevo-asparagine and dextro-asparagine.

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  • They are good value for money but are not optically brilliant, a small aperture essential to eliminate the aberrations of the lens.

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  • The groundmass consists of optically anisotropic baked clay minerals and abundant dark brown nodules.

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  • The newer video endoscopes have a tiny, optically sensitive computer chip at the end.

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  • This is known as a racemic mixture and it is optically inactive due to one isomer canceling out the optical effect of the other.

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  • This is required to power the optically isolated port.

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  • This is because the glass is optically isotropic, and does not change the polarization state of the light passing tho it.

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  • Scientific dating using Optically Stimulated luminescence and the related technique of Thermoluminescence will provide a precise age for the site.

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  • The method optically stimulated luminescence (OSL) is a way of establishing the age of soil sediments.

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  • Nearly all molecules synthesized by living organisms are optically active.

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  • I think Calcareous subjects, especially the optically transparent types work best.

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  • Four acids of this composition are known, namely dextroand laevo-tartaric acids, racemic acid and mesotartaric acid, the two last being optically inactive (see Stereo-Isomerism).

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  • It is important to keep in mind that not all magnifying makeup mirrors are considered optically correct.

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  • One that is optically correct has the benefit of simulating the effect of a prescription glasses or contact lenses.

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  • An optically correct version ensures that the image is not blurry.

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  • If a mirror is optically correct, it is usually advisable to start at a strength of 5x.

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  • Providing magnification that is both distortion-free and optically correct (a must-have mirror feature), the standing travel mirror will ensure satisfaction for anyone who appreciates a sharp, clear image.

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  • It is at its best when it's optically correct.

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  • Optically perfect lenses are thick, distortion-free and offer magnification at a high strength.

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  • Maui Jim and sports seem to go together and that's largely due to their Polarized Plus Technology that allows their glasses to be optically correct and distortion free.

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  • The "0" Degrees pair features 100% hypoallergenic optically glazed frames with spring hinges, silicon nose pads and a CR-39 polarized lens.

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  • The multi-layer structure consists of the tinted polarizing filter sandwiched between two layers of optically correct, distortion-free glass.

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  • The lenses are also scratch resistant and they also offer 100 percent of the UV protection you need thanks to optically pure PLUTONITE®.

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  • The Method is done in a wraparound style frame and has optically corrected carbonic lenses that provide 100 percent UVA and UVB protection.

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  • Value - Our real, certified diamonds are physically, chemically and optically identical to earth-mined diamonds only less expensive in fancy colors.

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  • The end result is a "diamond in the rough," which is physically, chemically and optically identical to an earth-mined diamond.

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  • It may be safely said of all those living things which are large enough to enable us to trust the evidence of microscopes, that they are heterogeneous optically, and that their different parts, and especially the surface layer, as Life and contrasted with the interior, differh sicall and organiza- P Y ?

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  • He was a strong advocate of the groupflashing system as a means of differentiating lights, and invented an arrangement for carrying it into effect optically, his plan being first adopted for the catoptric light of the Royal Sovereign lightship, in the English Channel off Beachy Head.

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  • It is, in fact, admitted that some of the glasses, most useful optically, the dense barium crown glasses, which are so widely used in modern photographic lenses, cannot be produced entirely free either from noticeable colour or from numerous small bubbles, while the chemical nature of these glasses is so sensitive that considerable care is required to protect the surfaces of lenses made from them if serious tarnishing is to be avoided.

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  • The reason for this high cost is to be found partly in the fact that the yield of optically perfect glass even in large and successful meltings rarely exceeds 20% of the total weight of glass melted.

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  • Their solutions are optically active, i.e.

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  • If the nitrogen atom in the quaternary ammonium salts be in combination with four different groups, then the molecule is asymmetrical, and the salt can be resolved into optically active enantiamorphous isomerides.

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  • The corresponding iodides are obtained by the addition of potassium iodide to solutions of the sulphonates, and are optically active antipodes.

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  • One line, in the yellow green, is so dominant optically as often to be described as the auroral line.

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  • There are a number of optically bright lines of longer wavelength.

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  • Two points are selected on the surface of the shaft at different positions along it, and the relative displacement which occurs between them round the shaft when power is being transmitted is determined either by electrical means, as in the Denny-Johnson torsion-meter, or optically, as in the Hopkinson-Thring and Bevis-Gibson instruments.

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  • In crystals the rotary property appears to be sometimes inherent in the crystalline arrangement of the molecules, as it is lost on fusion or solution, and in several cases belongs to enantiomorphous crystals, the two correlated forms of which are the one right-handed and the other left-handed optically as well as crystallographically, this being necessarily the case if the property be retained when the crystal is fused or dissolved.

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  • This is valid so long as the pencil is in air; but if, on the other hand, the pencil passes from air through a plane surface into an optically denser medium, e.g.

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  • An instrument for exhibiting optically or graphically these variations is called an oscillograph, or sometimes an ondograph.

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  • The oscillograph can be made to exhibit optically the form of the current curve in non-cyclical phenomena, such as the discharge of a condenser.

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