Abstract: The invention relates to a method for draining a fuel storage of an injection system of an internal combustion engine for an automobile, particularly a motor vehicle, having at least one injection valve. It is provided that the draining is carried out by means of suctioning off the fuel, wherein the injection valve is placed into the open position, or is placed into the open position at least once for venting the injection system during the suctioning off process. The invention further relates to a corresponding device.

Abstract: The present invention is based on a regulation circuit (200a, 200b) for making available a constant current supply on the basis of a transformer principle, in which there flows through the luminescent diodes (D1, . . . , DN) a triangular a.c. current (ID) varying periodically around a d.c. current value. With this method it is afforded by means of a circuitry provision that both the charging and also the discharging current (IL1) of an inductive reactance (XL1) connected in series to the luminescent diodes (D1, . . . , DN), functioning as a storage choke (L1) for filtering of mains harmonics, flows as diode current (ID) through the luminescent diodes (D1, . . . , DN). The advantage of this method consists in a significant reduction of the overall power loss (PV, ges) of the LED illumination module (100).

Abstract: This invention relates to a cement, which comprises in its main phase of microcrystalline magnesium ammonium phosphate and nanoapatite after hardening and thus at the same time has considerable strength. The material is biologically degradable and is suitable for application in tooth cements, as bone replacement, as bone filler, as bone cement or as bone adhesive.

Abstract: The present invention relates to a circuit arrangement for supplying power to, and for controlling, light-emitting diodes for illuminating, and to a method therefor. The invention provides a driver circuit for providing an operating current for operating at least one light-emitting diode, wherein the operating current has different positive intensities.

Abstract: A knife holder for a microtome having a vibrating knife comprises a support element and a clamping element movable relative to the support element. The support element is embodied with a support surface for the knife, and the clamping element is embodied with a clamping surface. For clamping the knife, the support surface and clamping surface are settable at a distance of 0.1 to 1.5 from one another.

Abstract: An operating circuit for at least one light-emitting diode (LED) incorporates a switched-mode regulator circuit to which a DC voltage is fed and which provides a supply voltage for the at least one light-emitting diode (LED) by means of a coil (L1) and a switch (S1) clocked by a control unit (SR). When the switch (S1) is on, energy is built up in the coil (L1), which is discharged through the at least one light-emitting diode (LED) when the switch (S1) is off. The control unit (SR) determines the time period between the switch (S1) switching off and subsequently switching on depending on the voltage across the at least one light-emitting diode (LED) and a temporally constant characteristic parameter of the coil (L1).

Abstract: This invention relates to a cement, which comprises in its main phase of microcrystalline magnesium ammonium phosphate and nanoapatite after hardening and thus at the same time has considerable strength. The material is biologically degradable and is suitable for application in tooth cements, as bone replacement, as bone filler, as bone cement or as bone adhesive.

Abstract: A microtome system has a cryomicrotome with a sectioning device in which is provided a preparation holder and a knife edge that are guided past one another inside a working space during a sectioning operation, in order to produce thin sections of a preparation retained in the preparation holder. A micromanipulator is operable outside the working space. With the micromanipulator, a tool for retention of a specimen support is positioned proximate the knife edge during a sectioning operation in order to receive the sections that are produced, preferably for substantially stationary retention of the specimen support.

Abstract: The invention relates to an operating device (BG) for lamps (LM), comprising an interface (IFi), by means of which the device (BG) may be provided with external dimming values. The device (BG) converts said provided external dimming values into internal dimming values on the basis of which the control of the connected lamps (LM) is achieved, the internal dimming values being of higher resolution than the external dimming values. According to the invention, the operating device (BG) is designed such that the conversion of the external dimming values into internal dimming values may be programmed. The operating device (BG) can particularly also be designed such that said conversion can be programmed with regard to the dynamics thereof. A programming can be provided by a time conversion relationship (linear, logarithmic or exponential time curve etc.) by means of which an internal dimming value corresponding to an external dimming value is reached.

Abstract: A Dewar vessel (1) for automated cryosubstitution or low-temperature substitution is disclosed. The invention further discloses an apparatus (10) for automated liquid transfer for cryosubstitution or low-temperature substitution. The apparatus (10) encompasses a container (50) that encompasses at least one specimen holder (2) and at least one reservoir holder (20); and wherein a movable transfer container (35) for automated exchange of at least one liquid (42) between the at least one specimen holder (2) and the at least one reservoir holder (20) is provided.

Abstract: This invention relates to a cement, which comprises in its main phase of microcrystalline magnesium ammonium phosphate and nanoapatite after hardening and thus at the same time has considerable strength. The material is biologically degradable and is suitable for application in tooth cements, as bone replacement, as bone filler, as bone cement or as bone adhesive.

Abstract: A device for the projection of an optical marking onto the surface of an object comprises a projection mechanism for the generation of a pencil of rays directed to the surface and a manipulation mechanism for said pencil of rays. In addition, the device comprises a data storage unit for the filing of a default surface geometry of the object and a measurement mechanism for recording actual position values of the surface. The measurement mechanism and the data storage unit are connected to a comparison mechanism for comparing the actual position values with the default surface geometry. The comparison mechanism is control-connected to the manipulation mechanism for controlling said manipulation mechanism depending on the result of the comparison.

Abstract: This invention relates to a cement, which comprises in its main phase of microcrystalline magnesium ammonium phosphate and nanoapatite after hardening and thus at the same time has considerable strength. The material is biologically degradable and is suitable for application in tooth cements, as bone replacement, as bone filler, as bone cement or as bone adhesive.

Abstract: The invention relates to a method for draining a fuel storage of an injection system of an internal combustion engine for an automobile, particularly a motor vehicle, having at least one injection valve. It is provided that the draining is carried out by means of suctioning off the fuel, wherein the injection valve is placed into the open position, or is placed into the open position at least once for venting the injection system during the suctioning off process. The invention further relates to a corresponding device.

Abstract: In a method for projecting at least one optical projection onto at least one projection surface a monitoring zone that contains and/or surrounds a first projection surface is scanned with the aid of a working laser beam, which is not hazardous for the human eye, by the positioning the working laser beam on various scanning positions located in the monitoring zone, and a measured signal for light from the working laser beam that is reflected from the scanning positions is acquired. The measured signal is compared with the reference signal. Depending on the result of this comparison, the optical projection is projected onto the first projection surface by means of a projection laser beam, which has a greater radiant power than the working laser beam. With the aid of the working laser beam, a second optical projection is projected onto a second projection surface that is located outside of the monitoring zone.

Abstract: An apparatus (1) for tissue preparation for the tissue embedding, having a transport plate (15) defining a circumferential edge (15c). At the circumferential edge (15c) several recesses (16) are formed, each of which comprises a plurality of several circular cut outs (16a) being arranged so that it has an opening into the direction of the circumferential edge (15c). The transport plate (15) is surrounded by a housing (5) which defines an inner upper side (8a) on which a heating and cooling device (3) is provided.

Abstract: An apparatus (1) for processing specimens (15), comprising an observation device (2), a specimen holder (3) for receiving the specimen (15) to be processed, and a tool holder (6), the tool holder (6) being pivotable in a plane normal to its longitudinal axis (L?) by means of a pivot arm (22), and being rotatable about its longitudinal axis (L?); furthermore a drive system for selectable execution of the pivoting of the pivot arm (22) is provided.

Abstract: A method for forecasting a future inventory demand includes receiving historical demand data associated with a part number and statistically analyzing the historical demand data associated with one or more part numbers to identify each part number as one of a seasonal part number, a quasi-seasonal part number, a high variability part number, or a non-seasonal part number. If the part number is identified as a seasonal part number, a first inventory requirement for a first predetermined portion of a future demand period is estimated. If the part number is identified as a quasi-seasonal part number, a second inventory requirement for a second predetermined portion of a future demand period is estimated, wherein the second predetermined portion of the future demand period is a multiple of the first predetermined portion. If the part number is identified as a high variability part number, a third inventory requirement for a third predetermined portion of a future demand period is estimated.

Abstract: This invention relates to a cement, which comprises in its main phase of microcrystalline magnesium ammonium phosphate and nanoapatite after hardening and thus at the same time has considerable strength. The material is biologically degradable and is suitable for application in tooth cements, as bone replacement, as bone filler, as bone cement or as bone adhesive.

Abstract: A display for showing text and graphical images includes an electrically conducting layer which is connected to a shield potential, such as a ground potential, for shielding the display from external electromagnetic disturbances and preventing radiation from the display of electromagnetic disturbances generated by the display.