What's the difference between actuator and head?

Actuator


Definition:

  • (n.) One who actuates, or puts into action.

Example Sentences:

  • (1) Active filling (-10 mmHg) inside inner blood sacs was produced by the suction effects of the outer sacs attached to a moving actuator.
  • (2) A model for each actuator was formulated to compute its isometric force-length relation.
  • (3) In the past Tularemia has largely affected animals, nowadays' in our country it could become actual one more because of wild animals repopulation actuated in many areas.
  • (4) The basic concept of this artificial heart is that the blood pumps are implanted in the thorax and an actuator is placed separately in the abdominal region.
  • (5) Many problems remain with actuation, energy conversion, percutaneous leads, compliance devices and biomaterials.
  • (6) Dynamic fractionation of the output from pressurized aerosols using a four-stage liquid impinger showed that the respirable fraction (as measured by the percentage of emitted droplets with aerodynamic diameters less than 5.5 microns) was highly dependent on SPC concentration and R. A significant correlation between RF and actuator score, based on orifice diameter and length, was also found and confirmed that the highest RF values were achieved with the systems of lowest SPC and water concentrations sprayed through an actuator with the smallest and shortest orifice dimensions.
  • (7) The system consists of a) single carcinogenic dose of diethylnitrosamine (DEN), b) short-term dietary exposure to 2-acetylaminofluorene (2-AAF) sufficient to suppress growth of virtually all normal hepatocytes, and c) partial hepatectomy (PH) to actuate rapid growth of DEN-altered hepatocytes not suppressed by 2-AAF.
  • (8) After a review of the properties of muscle and tendon, their integrated ability to generate force statically and dynamically is studied by formulating a generic model of the "musculotendon actuator", which has only one parameter, the ratio of tendon length at rest to muscle fiber length at rest.
  • (9) In the second series of experiments, the rats had access to the lever which actuated a fan that drew cool outside air into the chamber.
  • (10) One hundred and fifty one (97%) were able to actuate the inhaler on their first (146) or second (5) attempt.
  • (11) Oxyphenisatin was found to be a selective actuator of a form of progressive mass propulsion indistinguishable from spontaneous mass peristalsis.
  • (12) Equilibrium control of binding implies that critical site occupancy will be proportional to the relative concentrations of "D" and "G" actuating proteins in the nuclear fluid.
  • (13) Substance is given to the need for introduction into the system of the apparatus for assisted circulation of sand-by actuating mechanisms for secure a purposeful influence on the physiological parameters of the organism.
  • (14) We postulate that signal reception occurs as a result of competition between different actuating proteins for equilibrium-controlled binding to critical DNA sites.
  • (15) This system consists of a flexible rod, sheath, crank, and cam to transmit the muscle power to a pusher plate pump and actuate it.
  • (16) The particular application to prosthetic ventricle design should minimize the number of in vivo experiments required to develop a satisfactory blood pump and aid in tailoring pump actuation protocols for minimum thromboembolic complications.
  • (17) Increasing baffle size resulted in increased retention in the actuator.
  • (18) This controller design is based on the physical models of the actuator and blood pump system.
  • (19) The properties of the afferent fibres from the capsule of the hip joint have been studied in the cat in situ, in relations to joint rotation, and in an isolated capsule preparation which was opened and stretched directly with an actuator.
  • (20) The efficacy and safety of cromolyn sodium by metered-dose inhaler (MDI) (1 mg per actuation) was evaluated with a double-blind, placebo-controlled, parallel-study design.

Head


Definition:

  • (n.) The anterior or superior part of an animal, containing the brain, or chief ganglia of the nervous system, the mouth, and in the higher animals, the chief sensory organs; poll; cephalon.
  • (n.) The uppermost, foremost, or most important part of an inanimate object; such a part as may be considered to resemble the head of an animal; often, also, the larger, thicker, or heavier part or extremity, in distinction from the smaller or thinner part, or from the point or edge; as, the head of a cane, a nail, a spear, an ax, a mast, a sail, a ship; that which covers and closes the top or the end of a hollow vessel; as, the head of a cask or a steam boiler.
  • (n.) The place where the head should go; as, the head of a bed, of a grave, etc.; the head of a carriage, that is, the hood which covers the head.
  • (n.) The most prominent or important member of any organized body; the chief; the leader; as, the head of a college, a school, a church, a state, and the like.
  • (n.) The place or honor, or of command; the most important or foremost position; the front; as, the head of the table; the head of a column of soldiers.
  • (n.) Each one among many; an individual; -- often used in a plural sense; as, a thousand head of cattle.
  • (n.) The seat of the intellect; the brain; the understanding; the mental faculties; as, a good head, that is, a good mind; it never entered his head, it did not occur to him; of his own head, of his own thought or will.
  • (n.) The source, fountain, spring, or beginning, as of a stream or river; as, the head of the Nile; hence, the altitude of the source, or the height of the surface, as of water, above a given place, as above an orifice at which it issues, and the pressure resulting from the height or from motion; sometimes also, the quantity in reserve; as, a mill or reservoir has a good head of water, or ten feet head; also, that part of a gulf or bay most remote from the outlet or the sea.
  • (n.) A headland; a promontory; as, Gay Head.
  • (n.) A separate part, or topic, of a discourse; a theme to be expanded; a subdivision; as, the heads of a sermon.
  • (n.) Culminating point or crisis; hence, strength; force; height.
  • (n.) Power; armed force.
  • (n.) A headdress; a covering of the head; as, a laced head; a head of hair.
  • (n.) An ear of wheat, barley, or of one of the other small cereals.
  • (n.) A dense cluster of flowers, as in clover, daisies, thistles; a capitulum.
  • (n.) A dense, compact mass of leaves, as in a cabbage or a lettuce plant.
  • (n.) The antlers of a deer.
  • (n.) A rounded mass of foam which rises on a pot of beer or other effervescing liquor.
  • (n.) Tiles laid at the eaves of a house.
  • (a.) Principal; chief; leading; first; as, the head master of a school; the head man of a tribe; a head chorister; a head cook.
  • (v. t.) To be at the head of; to put one's self at the head of; to lead; to direct; to act as leader to; as, to head an army, an expedition, or a riot.
  • (v. t.) To form a head to; to fit or furnish with a head; as, to head a nail.
  • (v. t.) To behead; to decapitate.
  • (v. t.) To cut off the top of; to lop off; as, to head trees.
  • (v. t.) To go in front of; to get in the front of, so as to hinder or stop; to oppose; hence, to check or restrain; as, to head a drove of cattle; to head a person; the wind heads a ship.
  • (v. t.) To set on the head; as, to head a cask.
  • (v. i.) To originate; to spring; to have its source, as a river.
  • (v. i.) To go or point in a certain direction; to tend; as, how does the ship head?
  • (v. i.) To form a head; as, this kind of cabbage heads early.

Example Sentences:

  • (1) This study was undertaken to determine whether the survival of Hispanic patients with squamous cell carcinoma of the head and neck was different from that of Anglo-American patients.
  • (2) An association of cyclophosphamide, fluorouracil and methotrexate already employed with success against solid tumours in other sites was used in the treatment of 62 patients with advanced tumours of the head and neck.
  • (3) Head-injured patients had a low thyroxine (T4), low triiodothyronine (T3), and high reverse T3.
  • (4) Currently, photodynamic therapy is under FDA-approved clinical investigational trials in the treatment of tumors of the skin, bronchus, esophagus, bladder, head and neck, and of gynecologic and ocular tumors.
  • (5) A triphasic pattern was evident for the neck moments including a small phase which represented a seating of the headform on the nodding blocks of the uppermost ATD neck segment, and two larger phases of opposite polarity which represented the motion of the head relative to the trunk during the first 350 ms after impact.
  • (6) Businesses fleeing Brexit will head to New York not EU, warns LSE chief Read more Amid attempts by Frankfurt, Paris and Dublin to catch possible fallout from London, Sir Jon Cunliffe said it was highly unlikely that any EU centre could replicate the services offered by the UK’s financial services industry.
  • (7) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
  • (8) A substance with a chromatographic mobility of Rf = 0.8 on TLC plates having an intact phosphorylcholine head group was also formed but has not yet been identified.
  • (9) Lin Homer's CV Lin Homer left local for national government in 2005, giving up a £170,000 post as chief executive of Birmingham city council after just three years in post, to head the Immigration Service.
  • (10) The skull films and CT scans of 1383 patients with acute head injury transferred to a regional neurosurgical unit were reviewed.
  • (11) Both Ken Whisenhunt and Lovie Smith were fired as head coaches after the 2012 season.
  • (12) Thirteen patients had had a posterior dislocation with an associated fracture of the femoral head located either caudad or cephalad to the fovea centralis (Pipkin Type-I or Type-II injury), one had had a posterior dislocation with associated fractures of the femoral head and neck (Pipkin Type III), two had had a posterior dislocation with associated fractures of the femoral head and the acetabular rim (Pipkin Type IV), and three had had a fracture-dislocation that we could not categorize according to the Pipkin classification.
  • (13) Eight cases of calcification following anterior dislocation of the head of the radius are described.
  • (14) Younge, a former head of US cable network the Travel Channel, succeeded Peter Salmon in the role last year.
  • (15) Martin Wheatley will remain head of the Conduct Business Unit and become the future chief executive of the FCA.
  • (16) It happens to anyone and everyone and this has been an 11-year battle.” Emergency services were called to the oval about 6.30pm to treat Luke for head injuries, but were unable to revive him.
  • (17) This study reviewed 148 patients who had received radiation for head and neck cancer.
  • (18) In this study, a technique is described by which large obturators can be retained with an acrylic resin head plate.
  • (19) The authors describe a new technique for evaluating traumatic conditions to the elbow: the radial head-capitellum view.
  • (20) Nick Robins, head of the Climate Change Centre at HSBC, said: "If you think about low-carbon energy only in terms of carbon, then things look tough [in terms of not using coal].

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