(1) The anodic polarization profiles are presented, as well as scanning electron micrographs and x-ray analysis of the corroded amalgam surfaces.
(2) It has increased costs, jeopardized the delivery of necessary medical services, and corroded the physician-patient relationship with mistrust and poor morale.
(3) In some cases the deposits appear to be caused by pulsing the electrode with current, while in other cases the deposits are corroded or abraded from the electrode or are otherwise not associated with the neuroprosthetic functioning of the implant.
(4) The authors investigated two cryostimulation regimes: working temperature -70 degrees C, 10 points for 7 seconds on the borderline of the corroded area of the cornea, and working temperature of -160 degrees C, 10 points and four seconds on the limbus of the cornea.
(5) Of corroding bacilli, Bacteroides gracilis was detected in 23% of the infants, Wolinella spp.
(6) Fourteen strains of Eikenella corrodens isolated from human oral cavity were studied to determine corroding characteristics.
(7) Even in 1967, Israel's wisest voices saw that the occupation would steadily corrode Israeli society from the inside There is no shortage of evidence of that moral corruption.
(8) Scanning electron microscopy of these corroded casts was performed.
(9) "There comes a time when the cup of endurance runs over" ... "Amen" from the crowd, " ... and men are no longer willing to be plunged into an abyss of injustice where they experience the bleakness of corroding despair ... " " Yes, Lord."
(10) All the amalgams corroded along the grain boundaries in the gamma 1 phase.
(11) These corroding bacilli were further divided into 3 species on the basis of DNA hybridization studies using radiolabeled DNA from 2 representative corroding bacilli.
(12) A numerical taxonomic study of 64 strains of anaerobic Gram-negative bacilli isolated from men with non-gonococcal urethritis, two unclassified laboratory strains of 'corroding bacilli', and 12 other strains of anaerobic Gram-negative bacilli, including nine received as anaerobic curved rods and three as 'Bacteroides corrodens' (B. ureolyticus), isolated from women with bacterial vaginosis, was undertaken.
(13) The vascular pathways associated with the glomerulus of the Atlantic hagfish, Myxine glutinosa have been studied by scanning electron microscopy of corroded resin casts of the vasculature.
(14) We studied the micro-architecture of the rat femoral head using a corroding casting method described by Murakami in comparison with haematoxylin-eosin preparation and transparent preparation.
(15) Under the experimental conditions the non-gamma 2-amalgams were more corroded than the conventional amalgam.
(16) On SEM of the Superbond material placed in contact with corroded metal and enamel, retentive structures were found to spread, thus producing a micromechanical bond.
(17) The oceans turned acidic, corroding the sea floor; the waters warmed, and countless organisms perished in a great extinction event.
(18) The % G + C content of E. corrodens strains varied from 56 to 58%, and from 56 to 60% for unidentified corroding bacilli.
(19) The amalgams were poorly contoured and had corroded, resulting in continued release of mercury ions.
(20) The two outer ring zones yielded bacteria that formed agar surface colonies of spreading-corroding morphology, while cells from the innermost zone always yielded colonies with a different morphology.
Corrosion
Definition:
(n.) The action or effect of corrosive agents, or the process of corrosive change; as, the rusting of iron is a variety of corrosion.
Example Sentences:
(1) The influence of mucin on the corrosion behaviour of seven typical dental casting alloys was investigated.
(2) Pitting corrosion was seen on low-resistant Ni-Cr alloys, which had less Cr content.
(3) It would appear that there was airborne spread of the organism from these cooling water systems which had not received conventional treatment to inhibit corrosion and organic growth.
(4) Following the injection of suitable media, the arterial tree of 22 post-mortem human stomachs was studied by angiography, or corrosion and micro-dissection.
(5) It was determined that the Ag-rich phase of Ag-Pd-Cu-Au alloy was preferentially attacked to form Ag2S corrosion product.
(6) Crevice corrosion propagation for gamma 2-free vs. gamma 2-containing amalgams was characterized by lower acceleration and maximum rates during the most dynamic period.
(7) The traditional alloys used as metal bases for fixed partial dentures are accompanied by various problems such as corrosion, allergy, toxicity, casting, and preparation for both patient and prosthodontist and in magnetic resonance imaging for diagnosis.
(8) Similarly, significant correlations were found between the individual tissue reaction scores and crevice corrosion scores from the 201 individual sites, again for all devices and for the asymptomatic and symptomatic removal groups.
(9) In the cracks corrosion products usually found on amalgam were identified.
(10) The study included 101 specimens and used an injection-corrosion technique that obtained internal casts of the main trunks and coronary arterial branches.
(11) The use of methyl methacrylate corrosion-casts has made it possible to examine the intracranial microvasculature on a three-dimensional scale with the scanning electron microscope.
(12) The present paper states very briefly the main steps leading to the technique of scanning electron microscopy (SEM) of vascular corrosion casts.
(13) Early corrosion phenomena required re-polishing every three months.
(14) The objective of this study was to determine the in vitro corrosion products that resulted from crevice corrosion of low- and high-copper dental amalgams.
(15) We present eight cases of chemical burns of the eyes from titanium tetrachloride, an acidic corrosive liquid.
(16) They depended on the type of the AC-plates as well as on their age and corrosion intensity.
(17) Corrosion potential and zero resistance ammetry studies were carried out; the effects observed were variable and depended upon the nature of the metal and its surface condition.
(18) The electrical stimulus parameters produced by the Nucleus receiver-stimulator cause no loss of spiral ganglion cells or corrosion of the platinum band electrodes.
(19) Microvascular corrosion casts of chicken embryos between four and 19 days after fertilization have been prepared.
(20) If these points are considered, comparative data, even of quantitative nature, can be obtained from corrosion casts.