(n.) A carpenter's tool for boring holes larger than those bored by a gimlet. It has a handle placed crosswise by which it is turned with both hands. A pod auger is one with a straight channel or groove, like the half of a bean pod. A screw auger has a twisted blade, by the spiral groove of which the chips are discharge.
(n.) An instrument for boring or perforating soils or rocks, for determining the quality of soils, or the nature of the rocks or strata upon which they lie, and for obtaining water.
Example Sentences:
(1) Auger spectroscopy and ion sputtering technique have shown that in surface of new archs oxygen and carbon are present up to about 300 A depth.
(2) The problem of determining RBE values for Auger emitters incorporated into proliferating mammalian cells is examined.
(3) This finding emphasizes the ability of low-energy Auger electrons to damage radiosensitive targets of cells through localized irradiation.
(4) Using an instrument equipped with two electron guns, an electron analyzer, and a Si(Li) diode detector, we developed microanalytical techniques based on inner-shell electron excitations by incident electrons and X-rays, that is, electron energy-loss spectroscopy (EELS) in the reflection mode; electron probe microanalysis (EPMA) and X-ray appearance potential spectroscopy (XAPS); electron-induced Auger electron spectroscopy (e-AES); X-ray photoelectron spectroscopy (XPS), X-ray absorption spectroscopy (XAS); X-ray induced AES (XAES), X-ray fluorescence analysis (XRF), and scanning X-ray radiography (SXR).
(5) It was hypothesized that the enhanced IUdR radiosensitization for 60 keV photons was a result of a larger production of Auger electron cascades from the filling of K-shell vacancies in the iodine atoms, which have a K-shell binding energy of 33.2 keV.
(6) Radiation spectra for radionuclides currently provided by the MIRD Committee and ICRP do not include the very low-energy N- and O-shell Auger electrons.
(7) We conclude that Auger electrons produced following photoelectric absorption of X rays by the K-shell of bromine contribute minimally to observed BUdR cellular radiosensitization.
(8) Among newer procedures are laser and auger angioplasty, catheter atherectomy and stents.
(9) Auger electron spectroscopy results indicate residual iodine was either left on the surface or implanted beneath the surface during iodine ion milling.
(10) Pantano, and L. L. Hench, "Auger spectroscopic analysis of bioglass corrosion films," J.
(11) The radiations studied were 0.05, 0.1, 0.5, 1.0, 2.0, and 3.0 MeV monoenergetic electrons and 32P, 67Cu, 90Y, 105Rh, 131I, 153Sm, 186Re, and 188Re beta particles and conversion and Auger electrons.
(12) However, gadolinium-157 (157Gd) n-gamma reaction is also accompanied by some internal conversion and, by implication, Auger electron emission.
(13) Most of the radionuclides used in nuclear medicine emit low energy Auger electrons following radioactive decay.
(14) It may be concluded that a major part of the enhancement was caused by inner-shell photoionization, followed by an Auger cascade of the bromine in the DNA.
(15) In 1986, O'Hara and Pearson described a method of ankle arthrodesis using an auger.
(16) These findings may have implications in the design of radiopharmaceuticals for both diagnosis (localize Auger emitter in cytoplasm of cell) and therapy (localize Auger emitter in cell nucleus).
(17) However the Auger enhancement decreased sharply under "vacuum" condition as the water content was zero.
(18) It has also been used to calculate the intensity factors of pure bulk samples and the backscattering correction factor in Auger electron spectroscopy.
(19) The present understanding provides a scientific basis toward estimation of risk associated with Auger emitters used in diagnosis, and suggests potential applications to therapy.
(20) This method is used to investigate the efficiency of double strand break production by other Auger sources which have potential value for therapy.
Tool
Definition:
(n.) An instrument such as a hammer, saw, plane, file, and the like, used in the manual arts, to facilitate mechanical operations; any instrument used by a craftsman or laborer at his work; an implement; as, the tools of a joiner, smith, shoe-maker, etc.; also, a cutter, chisel, or other part of an instrument or machine that dresses work.
(n.) A machine for cutting or shaping materials; -- also called machine tool.
(n.) Hence, any instrument of use or service.
(n.) A weapon.
(n.) A person used as an instrument by another person; -- a word of reproach; as, men of intrigue have their tools, by whose agency they accomplish their purposes.
(v. t.) To shape, form, or finish with a tool.
(v. t.) To drive, as a coach.
Example Sentences:
(1) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
(2) The HTCA is promising as a potential tool for studying the biology of tumors.
(3) But both for malaria and Aids we’re seeing the tools that will let us do 95-100% reduction.
(4) These studies demonstrate the potential of ICAM-1 transfectants as tools for analysis of the role of ICAM-1 in lymphoid adhesion.
(5) This method can characterize reliably flavivirus field isolates at the molecular level without extensive virus propagation and molecular cloning, and will be a valuable tool for molecular epidemiological studies.
(6) The basic principle of the resonant tool, its adaptation for surgery, the experimental results of its use in animals, and clinical experience are reported.
(7) Colloidal gold immuno-electron microscopy is a powerful tool for defining antigenicity at the subcellular level.
(8) A diversity of serogroups and toxigenicity was a general finding, however, strains found in the proximal gut were also cultured from the rectum, indicating that faecal specimens would be a valid tool in investigating the role of these organisms in SIDS cases compared with healthy controls.
(9) SR 42128 is a potent and long-acting tool for studying the role of the renin angiotensin system in primates and humans.
(10) In this study we propose a method for the analysis of the relationship between heart rate changes and respiration as a possible diagnostic tool for cardiac autonomic damage.
(11) However LHRH agonists alone or in combination with ovarian steroids are of potential value as a research tool.
(12) These findings demonstrate that heteroantisera can provide an additional important tool for dissecting the heterogeneity of T-cell leukemias and for relating them to more differentiated normal T cells.
(13) This model provides a standard nonoperative approach for the induction of intestinal ischemia in dogs and could be a valuable tool in the study of intestinal ischemia.
(14) Before we embark on the next steps of the global technological revolution, we must ensure that the most basic of online tools are accessible to all.
(15) This ion-selective microelectrode may show promise as a useful tool for the determination of intracellular bile salt activity.
(16) Axotomy should be a useful tool for determining which other neurotransmitter receptors are produced by facial motoneurons and efferent neurons in other cranial nerve nuclei.
(17) Given that patient preferences constitute a central concept within the framework of HRQL, further empirical evaluation of utility measures of preference is fundamental to improving the HRQL measurement tool-kit.
(18) This study also demonstrates that pulsed-field gel electrophoresis is a powerful new tool for the analysis of human chromosomal translocations.
(19) In order to maximize the utility of these tools a high degree of reliability is essential.
(20) Extraction tools included flexible, telescoping sheaths advanced over the lead to dilate scar tissue and apply countertraction, deflection catheters, and wire basket snares.