(n.) An instrument for condensing air or other elastic fluids, consisting of a cylinder having a movable piston to force the air into a receiver, and a valve to prevent its escape.
(n.) An instrument for concentrating electricity by the effect of induction between conducting plates separated by a nonconducting plate.
(n.) A lens or mirror, usually of short focal distance, used to concentrate light upon an object.
(n.) An apparatus for receiving and condensing the volatile products of distillation to a liquid or solid form, by cooling.
(n.) An apparatus, separate from the cylinder, in which the exhaust steam is condensed by the action of cold water or air. See Illust. of Steam engine.
Example Sentences:
(1) Here we report that sperm from psr males fertilizes eggs, but that the paternal chromosomes are subsequently condensed into a chromatin mass before the first mitotic division of the egg and do not participate in further divisions.
(2) These studies indicate that at each site of induction during feather morphogenesis, a general pattern is repeated in which an epithelial structure linked by L-CAM is confronted with periodically propagating condensations of cells linked by N-CAM.
(3) The propionyl-CoA condensing enzyme which catalyzes the first step in the biosynthesis of 2-methylbutyrate and 2-methylvalerate by Ascaris muscle appears to exist in at least three forms in the mitochondria of this parasitic nematode.
(4) Because the contour length of these loops was proportionate to the DNA content of the superinfecting lambda phage, it was concluded that the fibers contained DNA condensed 6.5-fold in blocks of about 250 base pairs.
(5) Allyl 4-O-benzyl-alpha-L-rhamnopyranoside was converted into allyl 4-O-benzyl-3-O-methyl-alpha-L-rhamnopyranoside and this was condensed with 2,3,4-tri-O-acetyl-alpha-L-rhamnopyranosyl chloride to give a disaccharide derivative which was converted into allyl 4-O-benzyl-2-O-(2,3-O-isopropylidene-alpha-L-rhamnopyranosyl)-3-O-methyl -alpha- L-rhamnopyranoside.
(6) Moderately dense fragments are interpreted as originating from dying cells in which the cytoplasm is undergoing condensation.
(7) In the scope of our research about the antimicrobial activity of aldehyde-amin-condensates a number of partly new unsymmetrically substituted animals was synthesized by reaction of formaldehyde with different secondary amines.
(8) They are thought to represent condensations of dense bodies in degenerating tumor cells.
(9) The blood lymphocytes were small with scanty cytoplasm, densely condensed nuclear chromatin, and deep clefts originating in sharp angles from the nuclear surface.
(10) The 2-substituted phenoxy-6-methoxy-8-aminoquinolines (4-6) were afforded by reduction of the corresponding 8-nitroquinolines (1-3) which were obtained by condensation of 2-chloro-6-methoxy-8-nitroquinoline and substituted phenols.
(11) Both main-stream and side-stream cigarette smoke condensates and some fractions, containing water-soluble bases, water-insoluble bases, and polycyclic aromatic hydrocarbons, were found to induce AHH activity in lung and liver, the lung being induced to the greatest extent.
(12) Ultrastructurally, transgenic domains were often intimately connected with constitutive heterochromatin and were highly condensed.
(13) This paper describes a new method of condensation (focusing) of extended volumes of mixtures of proteins (or other ampholytes) into an isoelectric spectrum of discrete zones located at points of a pH gradient corresponding to the pI value of the individual proteins.
(14) 4, 323-340, 1978) has a ts defect in its regulatory mechanism for the initiation of chromosome condensation, the so-called, premature chromosome condensation (PCC) being induced at a nonpermissive temperature (Nishimoto, T. et al.
(15) Chemical analysis of the smoke concensate of bidis and cigarettes showed that condensate from bidis had a higher benzo[a]pyrene level than was observed in cigarette smoke condensate, when compared on the basis of the mass (mg) burnt.
(16) On very rare occasions there is missorting such that aggregates of condensed secretory proteins and viruses occur together in post-Golgi vesicles.
(17) The reductions are carried out at the nanogram to microgram level with borane, reacting the solid sample with condensed reagent vapor.
(18) These data suggest that the main route for the formation of the carbon skeleton of aspartate was by a C(3) plus C(1) condensation, with the C(3) unit derived from the isopropyl carbons of valine and the C(1) unit probably from carbon dioxide.
(19) Once an apical hard tissue barrier is formed, a permanent root canal filling can be safely condensed.
(20) While the antiserum against gamma 3-MSH labelled all the secretory granules including intrasaccular condensations in the Golgi apparatus, antisera against alpha-MSH only labelled extra-Golgi secretory vesicles (SV).
Instrument
Definition:
(n.) That by means of which any work is performed, or result is effected; a tool; a utensil; an implement; as, the instruments of a mechanic; astronomical instruments.
(n.) A contrivance or implement, by which musical sounds are produced; as, a musical instrument.
(n.) A writing, as the means of giving formal expression to some act; a writing expressive of some act, contract, process, as a deed, contract, writ, etc.
(n.) One who, or that which, is made a means, or is caused to serve a purpose; a medium, means, or agent.
(v. t.) To perform upon an instrument; to prepare for an instrument; as, a sonata instrumented for orchestra.
Example Sentences:
(1) For assessment of clinical status, investigators must rely on the use of standardized instruments for patient self-reporting of fatigue, mood disturbance, functional status, sleep disorder, global well-being, and pain.
(2) Breast temperatures have been measured by the automated instrumentation called the 'Chronobra' for 16 progesterone cycles in women at normal risk for breast cancer and for 15 cycles in women at high risk for breast cancer.
(3) After a review of the technical development and application of staplers from their introduction to the present day, the indications to the use of this instrument in all gastroenterological areas from the oesophagus to the rectum as well as in chest, gynaecological and urological surgery specified.
(4) Short-forms of Wechsler intelligence tests have abounded in the literature and have been recommended for use as screening instruments in clinical and research settings.
(5) Atrioventricular (AV) delay that results in maximum ventricular filling and physiological mechanisms that govern dependence of filling on timing of atrial systole were studied by combining computer experiments with experiments in the anesthetized dog instrumented to measure phasic mitral flow.
(6) The instrument is a definite aid to the surgeon, and does not penalize the time required for surgery.
(7) Furthermore, the AMDP-3 scale and its manual constitute a remarkable teaching instrument for psychopathology, not always enough appreciated.
(8) But it [Help to Buy] is the right policy instrument to deal with a specific problem."
(9) Clinical use of this instrument is no more difficult than conventional immersion ultrasonography.
(10) The performance of the instrument was evaluated by undertaking in vitro measurements of the reflectance spectra of blood.
(11) Several recommendations, based upon the results of this survey study, the existing literature relevant to the ethical responsibilities of investigators who conduct research with children, and our own experiences with these instruments and populations, are made to assist researchers in their attempts to use these inventories in an ethical manner.
(12) Utilizing standardized instruments, family and demographic predictors of general and problem-solving knowledge pertaining to diabetes were identified in 53 newly diagnosed children.
(13) A compact attachment for microscope-type instruments is described enabling to introduce, rapidly and qualitatively, minute biological speciments into melted embedding medium and ensuring the safety of optics.
(14) This paper considers the advantages and disadvantages of the instrument together with indications for its use and reviews 118 patients who had 130 oral lesions removed with the CO2 laser.
(15) The inflammatory response is active in the embryo midway through incubation and is probably instrumental in protection of the embryo.
(16) To examine the possibility of prolongation of the standing times of instrument disinfectants, in vitro tests under high albumin exposure and tests in clinical practice were done.
(17) This, too, is a functional technique although the method and instruments are totally different.
(18) One abutment was used to evaluate each of nine oral hygiene instrumentation methods used for specified lengths of time or instrument strokes.
(19) Out-patient treatment, instrumentation and postgraduated teaching is dealt with.
(20) There is considerable evidence to suggest that intra-alveolar plasminogen activation is instrumental in many aspects of inflammatory lung injury and subsequent tissue repair.