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  • Astronomical Spectroscopy for Amateurs
    This glass tube is then protected by being encased in a PVC outer sleeve usually 3 mm diameter, which also allows various end fittings to be attached. Fiber links are now available (ex audio connectors ) that provide polished square ends suitable for the amateur spectroscope builder.
  • Factory floor: A robotically reconfigurable construction platform
    The 1-DOF end effector is sufficient to open and close the passive compliant connectors . As illustrated in Fig.6, the body of the truss is square tube (35.5 mm) PVC with a wall thickness of 2.1 mm and a present length of 29.3 cm.
  • A new goniophotometer for the calibration of small luminous flux standard lamps
    The 0.5 m long headarm. which is made from aluminium standard square tubing (90 x 90 x 6 mm), holds the arm for the lampholders which is adjustable over 325 mm to align the lamp centre on the measuring axis of … The arm for the hmpholders carries the electrical connectors , a stepping motor, a positive drive, the lampholder … … motor wires run through the headarm, the hollow shaft of the headarm, the PVC tube with its …
  • Primary cosmic-ray spectrum at energies ∼(1013 ÷1016 ) eV from multiple muon events in NUSEX experiment
    The basic element of our tubes is a comb profile (3.5 m long) of extructed PVC , which consists of eight open cells (cross-section (9 • 9) mm ~-) coated with graphite (resistivity ~ 5.10 ~~/ square ). … PVC container houses two profiles, and on the exterior there are only the connector for the gas …
  • http://dspace.mit.edu/bitstream/handle/1721.1/43002/23935052-MIT.pdf?sequence=2
    … Koganei solenoids used by each manipulator arm joint (R-PHAD-A) are mounted on a PVC plug. This plug is then used to seal the flotation tube of an arm boom. … schematic shows the wiring of between the end plug 5-pin Amphenol (AMP) connector , the two Koganei … … 0021 RS-422 XCVR Although this circuitry appears in the New Micro's "100 Squared " system documentation …
  • Remote Stripping Analysis of Lead and Copper by a Mercury‐Coated Platinum Microelectrode
    Chronoamperometric, cyclic, linear sweep and square -wave anodic stripping voltammetric experiments were carried out using a PAR … This assembly is mounted in a PVC housing tube of the remote tool and connected through an environmentally sealed rubber connector to the shielded cable, about 30 m long.
  • Directivity of Chebyshev arrays with arbitrary element spacing
    … line UT-85, of characteristic impedance 50R and equipped with an SMA coaxial connector , is soldered to … The Ift square brass ground plane is 0.022in thick. The dielectric radi- ator consists of PVC tube filled with a powdered dielectric mate- rial (Emerson & Cuming ‘Hi K powder’) with relative permittivity E, = 12.
  • Effect of aperture filling on slot-coupled dielectric resonator antennas operating in HEM11 mode
    … line UT-85, of characteristic impedance 50R and equipped with an SMA coaxial connector , is soldered to … The Ift square brass ground plane is 0.022in thick. The dielectric radi- ator consists of PVC tube filled with a powdered dielectric mate- rial (Emerson & Cuming ‘Hi K powder’) with relative permittivity E, = 12.
  • http://dspace.mit.edu/bitstream/handle/1721.1/35750/22151328-MIT.pdf?sequence=2
    … Koganei solenoids used by each manipulator arm joint (R-PHAD-A) are mounted on a PVC plug. This plug is then used to seal the flotation tube of an arm boom. … schematic shows the wiring of between the end plug 5-pin Amphenol (AMP) connector , the two Koganei … Although this circuitry appears in the New Micro's "100 Squared " system documentation, and is intended for …
  • http://www.int-res.com/articles/ab2011/12/b012p037.pdf
    The brittlestar was placed inside the entrance tube after the acclimation period and the pumps were activated. A choice oc- curred when the oral disk of the brittlestar passed be- yond the PVC Y- connector into 1 of the 2 treatment arms. Preferences for a particular treatment were determined using a chi- squared good- ness of fit to test …