| HPLC | high-performance liquid chromatography; high-power liquid chromatography; high-pressure liquid chrom... |
|---|---|
| LLC | Lewis lung carcinoma; liquid-liquid chromatography; long-leg cast; lymphocytic leukemia |
| LSC | late systolic click; left side colon cancer; left subclavian; lichen simplex chronicus; liquid scint... |
| He | heart; helium |
| HeNe | helium neon [laser] |
| LLE | Liquid-liquid extraction |
|---|---|
| He-Ne | Helium-Neon |
| HeO2 | Helium-oxygen |
| HE | helium |
| heliox | helium oxygen |
marking medium
| liquid-liquid chromatography | Chromatography in which both the moving phase and the stationary (or reverse-moving) phase are liquids, as in countercurrent distribution. (05 Mar 2000) |
|---|---|
| helium | <element> A gas. Certain types of radiation therapy used charged, radioactive particles of helium. (16 Dec 1997) |
| helium-3 | The rare stable isotope of helium (1.37 parts per million of ordinary helium); produced by the beta decay of tritium. (05 Mar 2000) |
| helium-4 | The common helium isotope, making up 99.999% of natural helium; it is emitted in the form of alpha rays (which are helium nuclei), from a variety of radionuclides. (05 Mar 2000) |
| helium speech | The peculiar high-pitched, often unintelligible speech sounds produced when one breathes a mixture of up to 80 per cent helium and 20 per cent oxygen. (05 Mar 2000) |
| gas-liquid chromatography | <technique> A chemistry lab technique, a type of column chromatography, used to separate the components of a mixed substance. The substance is held stationary by an inert solid coated with an inert liquid which is not likely to evaporate (i.e. Is nonvolatile), while a gas (called an eluant) flows past it bringing out the components one at a time. (09 Oct 1997) |
| chromatography, high pressure liquid | Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. (12 Dec 1998) |
| chromatography, liquid | Chromatographic techniques in which the mobile phase is a liquid. (12 Dec 1998) |
| clear liquid diet | A diet, often used postoperatively, consisting usually of water, tea, coffee, gelatin preparations, and clear soups or broth. (05 Mar 2000) |
| Cotunnius' liquid | <anatomy> The fluid which surrounds the membranous labyrinth of the internal ear, and separates it from the walls of the chambers in which the labyrinth lies. Source: Websters Dictionary (01 Mar 1998) |
| heavy liquid petrolatum | <chemical> A mixture of liquid hydrocarbons obtained from petroleum. It is used as laxative, lubricant, ointment base, and emollient. Pharmacological action: cathartic, emollients, ointment bases. Chemical name: Hydrocarbon oils (12 Dec 1998) |
| high-performance liquid chromatography | <investigation> A lab technique, a type of column chromatography, which uses a combination of several separation techniques to separate substances at higher resolution. Extremely sharp peaks on the elution profile can be produced with high-performance liquid chromatography (HPLC). (09 Oct 1997) |
| high-pressure liquid chromatography | <investigation> A lab technique, a type of column chromatography, which uses a combination of several separation techniques to separate substances at higher resolution. Extremely sharp peaks on the elution profile can be produced with high-performance liquid chromatography (HPLC). (09 Oct 1997) |
| immersion liquid | <microscopy> Any liquid occupying the space between the object and microscope objective. Such a liquid is usually required by objectives of 3-mm focal length or less. For best results (i.e., resolution) the liquid should be used between the condenser and the microscope slide. Immersion objectives for transmitted light are designed for use with either oil, glycerin, or water, the refractive index of the liquid and the coverslip (if any) being the determining factor. The liquid and the front lens of the objective should ideally coincide in index and in dispersion value. See: homogeneous immersion objective (05 Aug 1998) |
| full liquid diet | A diet consisting only of liquids but including cream soups, ice cream, and milk. (05 Mar 2000) |
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