摘要:
A device for conveying thin workpieces for machines used in the printing technology field having at least one movable conveying element having an electrically insulating contact surface supporting at least one workpiece as it is being conveyed, the contact surface of the conveying element being formed with regions of varying charge density by electric charges applied thereto, and the workpiece being held on the contact surface by electrostatic forces, includes a multiplicity of contacts engaging the surface of the conveying element, the multiplicity of contacts including at least one given group thereof, the multiplicity of contacts being disposed transversely to a direction in which the thin workpiece is conveyable by the conveying element and being distributed across the entire width of the workpiece, the multiplicity of contacts being connected to at least one d.c. voltage source.
摘要:
This invention relates to a method of portraying project schedule history in graphical form which facilitates a rapid assessment of the success of a project and its leaders from the standpoint of performance against schedule. More specifically, this invention relates to an “Estimated Time to Completion” chart that is plotted against “Date” in a two dimensional chart, and points on the chart are created at periodic checkpoints for the duration of the project. When the points are connected, a line is created which slants toward the “Date” axis and intersects that axis at the actual completion date. Partially-completed charts are useful at the periodic checkpoints for graphically illustrating how well the project team is holding to the schedule. Completed charts are useful in evaluating performance of team leaders and for creating incentives for timely performance of projects. Methods of adapting the charts to changes in project scope are included in this invention. The invention also relates to a method having steps for making the chart, both manually and by computer.
摘要:
The present invention provides liquid crystals and compositions thereof (e.g., liquid crystal-based scaffolds). The present invention also provides the methods for generating said liquid crystals and compositions thereof (e.g., liquid crystal-based scaffolds) as well as uses thereof in cell-culturing and tissue-generating.
摘要:
A method for selectively assembling a molecular device on a substrate comprises contacting the first substrate with a solution containing molecular devices; impeding bonding of the molecular devices to the substrate such that application of a voltage potential to the substrate results in assembly of the molecular device on the substrate at a rate that is at least 1.5 times the rate of assembly of the molecular device on a voltage-neutral substrate; and applying a voltage potential to the substrate so as to cause the molecular devices to assemble on the substrate. A nanoscale computing device is described that includes a substrate, a pair of conductive input/output electrodes carried on this substrate and disposed in spaced-apart relationship and a substantially disordered assembly of nanowires formed on the substrate in a region between the electrodes, thereby forming at least one programmable conductive pathway between the pair of electrodes.
摘要:
A locking device is provided for a selector with a locking member, having devices for receiving at least one latching element. To actuate the latching element, a latching lever is actuated by outside force. To increase operating safety during the locking of the selector, a support on the latching lever holds the latching element in a first, locked position and another element for pivoting the latching element into a second, unlocked position.
摘要:
A low-energy particle sensor includes current collection areas which take the form of diodes partially covering the substrate. In detection areas defined alongside the collection areas the small thickness of the material enables low-energy particles (in particular a particles or protons) to penetrate the substrate. The currents generated by particles forming electron-hole pairs in this substrate are collected by the diode regions and sent to a load circuit. Applications include sensors for detectors of products resulting from collisions brought about in particle physics research apparatus.
摘要:
A tool provided with a head tapering stepwise toward a front side. Each step of the head has a cylindrical area for calibrating a pipe end and, joining it, a conical area for deburring the pipe end. Each step of the head corresponds to a usual pipe size. When the head is pushed into a pipe end to be processed, the pipe end is first calibrated and subsequently deburred in one operation. The pipe end is centered in relation to the longitudinal axis of the head due to the calibration at the cylindrical area, which guarantees accurate deburring at the conical area. Each conical area has a plurality of cutting edges, which are formed by chip grooves. The tool is especially suitable for preparing pressed connections on composite pipes.
摘要:
A modularly structured mounting rack of vertical-type construction is proposed which is designed to receive electronic units or devices placed one above the other. The mounting rack substantially encompasses a rear wall module constituting a first constructional unit and a frame module constituting a second constructional unit. The rear wall module is of a substantially box-like structure to receive wiring and comprises a predetermined number of support elements arranged at individual wiring planes for supporting cables which are provided with plugs. At an end face of the rear wall module, specifically at the left-hand or right-hand side thereof, there are provided connection members arranged above each other which, in the assembled state of the two constructional units, are freely accessibly arranged for connection to appropriately laid external lines.
摘要:
A solid insulator having high electrical resistance of inorganic and organic materials such as ceramic, glass, plastics, resins which is treated by application of an ion beam to the insulator surface to effect incorporation by controlled implantation of ions in the insulator adjacent its surface to produce an insulator surface of desired conductivity. This overcomes the difficulties due to uneven voltage distributions on the insulator surface which can cause discharges and even the destruction of the insulator.