(n.) Native carbon in hexagonal crystals, also foliated or granular massive, of black color and metallic luster, and so soft as to leave a trace on paper. It is used for pencils (improperly called lead pencils), for crucibles, and as a lubricator, etc. Often called plumbago or black lead.
Example Sentences:
(1) Here we present images of polydeoxyadenylate molecules aligned in parallel, with their bases lying flat on a surface of highly oriented pyrolytic graphite and with their charged phosphodiester backbones protruding upwards.
(2) This is a report on a male patient of 71 years of age who had been a graphite mill worker for about 14 years.
(3) The concentration of gold in whole blood was determined using graphite furnace atomic absorption spectrophotometry.
(4) As subcritical crack velocities under cyclic loading were found to be many orders of magnitude faster than those measured under equivalent monotonic loads and to occur at typically 45% lower stress-intensity levels, cyclic fatigue in pyrolytic carbon-coated graphite is reasoned to be a vital consideration in the design and life-prediction procedures of prosthetic devices manufactured from this material.
(5) A 5-year-old boy had an excisional biopsy of a pigmented scleral lesion thought clinically to be a foreign body, probably graphite from a pencil.
(6) A membrane-free glucose sensor was made by covalent immobilization of glucose oxidase on graphite followed by adsorption of N-methyl-phenazinium ion (PMS+).
(7) Stearate-modified graphite paste recording electrodes were acutely or chronically implanted into the nucleus accumbens along with bipolar stimulating electrodes in the ipsilateral ventral tegmental area (VTA).
(8) I describe a micro-scale method for determining lead in whole blood by utilizing a graphite furnace.
(9) The reconstituted acid mixture is injected into the graphite tube atomizer for analysis of Cu and Cd and aspirated into the air--acetylene flame for measurement of Zn.
(10) A spokesman said Graphite had “received no income or interest payments, or proceeds of any kind, from its investment in City & County”.
(11) Tissue reactivity to carbon cloth, graphite cloth and vitreous carbon in the solid was studied in dogs.
(12) The mercury-graphite electrode was also checked in respect of both the plating time and the amount of analyses performed.
(13) Tritium retention noted in graphite tiles underscores the significance of material selection in present and future 3H-fueled fusion devices.
(14) The resolution of the enantiomers of three closely related benzodiazepines, temazepam, oxazepam and lorazepam, is attempted on three new column systems: cellulose triacetate, beta-cyclodextrin and the reversed-phase column porous graphitic carbon with beta-cyclodextrin as a mobile phase additive.
(15) For some metals the analysis can be directly achieved by means of atomisation of the biological liquid in a flame or in a graphite furnace; for other metals it is necessary a treatment of the sample to separate the metal from the rest of the matrix, which can be: calcination, microcalcination, mining.
(16) A new grade of graphite-isotropic, fine-grained, and of superior strength-has been produced at the Oak Ridge National Laboratory.
(17) We believe that the introduction of high-performance background correction such as Smith-Hieftje, delayed atomization techniques, and aerosol deposition have taken graphite furnace AAS into its third phase.
(18) Zinc was analyzed by flame atomic absorption spectrophotometry, and the other elements by graphite furnace atomic absorption.
(19) An analysis of the product of interaction of a sample of native DNA with a large pyrolytic graphite electrode in the presence of formaldehyde at approximately neutral pH did not prove changes in the secondary structure of native DNA due to its interaction with the graphite electrode.
(20) Alternatively, a 50-mu-l sample of blood or erythrocytes is treated with 50 mu-l of concentrated nitric acid and a 1.5-mu-l aliquot is analyzed with use of the graphite tube.
Moderator
Definition:
(n.) One who, or that which, moderates, restrains, or pacifies.
(n.) The officer who presides over an assembly to preserve order, propose questions, regulate the proceedings, and declare the votes.
(n.) In the University of Oxford, an examiner for moderations; at Cambridge, the superintendant of examinations for degrees; at Dublin, either the first (senior) or second (junior) in rank in an examination for the degree of Bachelor of Arts.
(n.) A mechamical arrangement for regulating motion in a machine, or producing equality of effect.
Example Sentences:
(1) The newborn with critical AS typically presents with severe cardiac failure and the infant with moderate failure, whereas children may be asymptomatic.
(2) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
(3) In the surface epithelial cells, the basolateral cell surface showed moderate enzymatic activity.
(4) Histological studies showed that the resulting pancreatitis was usually mild to moderate, being severe only in association with sepsis.
(5) Systemic corticosteroids (i.e., prednisone, prednisolone or methylprednisolone) have improved the survival rate of patients with moderate and severe ulcerative colitis.
(6) We report the results of a double-blind, placebo-controlled trial of acitretin (Soriatane) in 15 patients with moderate to severe psoriasis.
(7) Furthermore echography revealed a collateral subperiosteal edema and a moderate thickening of extraocular muscles and bone periostitis, a massive swelling of muscles and bone defects in subperiosteal abscesses as well as encapsulated abscesses of the orbit and a concomitant retrobulbar neuritis in orbital cellulitis.
(8) TR was classified as follows: severe (massive systolic opacification and persistence of the microbubbles in the IVC for at least 20 seconds); moderate (moderate systolic opacification lasting less than 20 seconds); mild (slight systolic opacification lasting less than 10 seconds); insignificant TR (sporadic appearance of the contrast medium into the IVC).
(9) Mild swallowing difficulties occurred in 18 patients (39%), moderate dysfunction in 23 (50%), and severe dysfunction in five (11%).
(10) The radius is estimated to be around 1.7 nm, which shows a moderate degree of hydration.
(11) The deep cerebellar nuclei were moderately labeled at birth and gradually decreased in density thereafter.
(12) The epithelium of Brunner's gland stained intensely with Ricinus communis agglutinin-I (RCA-I), succinylated-WGA (S-WGA) and wheat-germ agglutinin (WGA), moderately with Bandeirea simplicifolia agglutinin-I (BS-I), Concanavalia ensiformis agglutinin (Con A) peanut agglutinin (PNA) and Ulex europaeus agglutinin-I (UEA-I) and occasionally with Dolichos biflorus agglutinin (DBA), Lens culinaris agglutinin (LCA) and soybean agglutinin (SBA).
(13) 2-(4'-Isobutylphenyl)propionic acid, ibuprofen, is an antiinflammatory agent which possesses moderate platelet aggregation inhibitory activity.
(14) Electroretinographic (ERG), morphometric and biochemical studies on retinas from monkeys or rats reveal that moderate level developmental lead (Pb) exposure produces long-term selective rod deficits and degeneration.
(15) The remaining 33 sera (13.3 per cent) were classified as low, moderate or strong positives.
(16) The agriculture ministry raised the risk level of the virus spreading from moderate to high on Tuesday across the country, at a crucial time for the industry.
(17) The role of blood acetylcholinesterase in moderating the effects of organophosphate challenge in rats was tested.
(18) C. tropicalis was grown in a medium containing Brij 35, resulting in the induction of a moderate number of medium-sized peroxisomes.
(19) Data from 579 medical students from the classes of 1979-80 through 1983-84 attending a midwestern medical college were analyzed via moderated multiple regression.
(20) Altering the time of PMA exposure demonstrated that PMA inhibited chondrocyte phenotypic expression, rather than cell commitment: early (0-48 h) exposure to PMA (during chondrocytic commitment in vitro) had little inhibitory effect on the staining index, whereas, exposure from 49-96 h (presumably post-commitment) and 0-96 h had moderate and strong inhibitory effects, respectively, on cartilage synthesis.