Abstract: The invention relates to a trench wall cutting device comprising a trench cutter having at least one cutting frame unit and at least two cutting wheels arranged in the longitudinal direction of the cutting frame unit and is configured for cutting a substantially vertical cutting trench in the ground, a supporting structure for suspending the trench cutter in a cutting position and moving it in a substantially vertical cutting direction for creating the cutting trench, and a feed device for feeding the trench cutter in a feeding direction which is oriented transversely to the cutting direction.

Abstract: Described herein are polyhydric alcohols having more than two hydroxyl groups in polyamide compositions including at least one polyamide to increase the weld seam strength after thermal aging of shaped articles produced from the polyamide composition by injection molding. During the injection molding, at least two flow fronts of the polyamide composition collide and form at least one weld seam.

Abstract: Disclosed is a polyamide composition including 30% to 99.9% by weight of a polyamide mixture as component A). Component A) includes aliphatic polyamide A1) and aliphatic copolyamide or terpolyamide A2). The weight ratio of A1) to A2) is 55:45 to 95:5. The polyamide composition also includes 0% to 60% by weight of glass fibers as component B), 0% to 2% by weight of nigrosin as component C), 0.1% to 10% by weight of at least one polyhydric alcohol including more than two hydroxyl groups and a number-average molecular weight (Mn) of less than 2000 as component D), 0% to 20% by weight of further additives as component E). The reported amounts sum to 100% by weight based on the total composition.

Abstract: A voltage source converter has a half bridge (18) with two current valves (19, 20) connected in series and an arrangement configured to carry out voltage measurements for determining a value of the DC voltage between opposite poles (21, 22) of a DC side of the converter. Each current valve comprises a semiconductor device (23, 24) controlled by an associated gate drive member (29, 30), each forming gate drive parts of one gate drive unit (28) in common to both current valves. The gate drive unit (28) comprises an isolated two-way communication link (33) between the gate drive members. The arrangement is included in the gate drive unit and configured to measure the entire DC voltage between said opposite poles (21, 22). A converter control device (31) calculates and sends control signals to the gate drive unit based on the result of the voltage measurement.

Abstract: The invention relates to a fixed focal length objective having a stationary lens group forward in the direction of light (VG), a stationary diaphragm (BL) with an adjustable aperture, a stationary rear lens group (HG) and a focussing group (MG) displaceable relative to the diaphragm along the optical axis of the objective for imaging objects at different distances onto a stationary image plane (IM), in which lens the focussing group (MG) consists of at least one lens element and a diffractive optical element (DOE) integrated into the focussing group (MG).

Abstract: The present invention generally relates to a composition comprising a DNA-degrading enzyme for use in a method for the treatment of post sterile traumatic immunosuppression. Further, the present invention relates to the composition for the use of the present invention, wherein a nuclease is administered after an acute tissue injury and/or in the course of the treatment of an acute tissue injury.

Abstract: A lens system with a fixed focal length includes five lens groups. The five lens groups include a first lens group, a second lens group configured as a focusing front group, a third lens group having a negative refractive power, a fourth lens group configured as a focusing back group, and a fifth lens group. The fifth lens group has a positive refractive power that is arranged in a stationary manner relative to an imaging plane in a lens barrel and both the focusing front group and the focusing back group are movable jointly relative to one another and to the lens groups arranged in a stationary manner in order to focus the fixed focus length lens system on objects at different object distances.

Abstract: A wide-angle objective in accordance with the invention comprises, in an order from an object-side end to an image-side end, a front group of total positive refractive power having at least four lenses; a middle group of total positive refractive power having at least three lenses; and a rear group of total positive refractive power having at least three lenses, wherein the quotient of the focal length of the front group and the total focal length of the objective amounts to between 2.28 and 2.79, the quotient of the focal length of the middle group and the total focal length of the objective amounts to between 3.02 and 3.69, and the quotient of the focal length of the rear group and the total focal length of the objective amounts to between 3.50 and 4.29.

Abstract: A temperature-stable vacuum insulation element 1 for use over a wide temperature range of high or low temperatures including a core material 2 of fumed silica in a proportion by weight in the range from 30% to 90%, a fiber material 3 in a proportion by weight in the range from 1% to 10%, an opacifier in a proportion by weight in the range from 5% to 50%; and a vacuum-tight envelope of the core material 2 of at least one stainless steel foil 4a, 4b.

Abstract: A voltage source converter has a half bridge (18) with two current valves (19, 20) connected in series and an arrangement configured to carry out voltage measurements for determining a value of the DC voltage between opposite poles (21, 22) of a DC side of the converter. Each current valve comprises a semiconductor device (23, 24) controlled by an associated gate drive member (29, 30), each forming gate drive parts of one gate drive unit (28) in common to both current valves. The gate drive unit (28) comprises an isolated two-way communication link (33) between the gate drive members. The arrangement is included in the gate drive unit and configured to measure the entire DC voltage between said opposite poles (21, 22). A converter control device (31) calculates and sends control signals to the gate drive unit based on the result of the voltage measurement.

Abstract: A lens with a fixed focal length includes five lens-element groups, a first front lens-element group, a second lens-element group, a third lens-element group, a fourth lens-element group, and a fifth back lens-element group is arranged in a stationary manner. Relative to an imaging plane in a lens barrel and both the focusing front group and the focusing back group are movable jointly relative to one another and to the lens-element groups arranged in a stationary manner in order to focus the lens on objects at different object distances.

Abstract: The invention relates to a laboratory apparatus, and a method, for device-controlled handling of at least one laboratory sample, wherein the laboratory apparatus comprises at least one handling device, wherein the handling is controlled by the laboratory apparatus in use of several program parameters, a control device, a user interface device for manually inputting data by an user, and for the display of information, which may in particular depend on these data, wherein the user interface device comprises a display, on which a display area can be represented, and wherein the user interface device comprises a movement detecting sensor device, which is arranged for the detection of at least one user movement, which can be performed on the display area by an user, and wherein the control device is arranged for the provision of a movement detecting input mode, in order to•select the at least one program parameter and/or define its value depending on the at least one user movement, and•display at least one graphic

Abstract: A lens with a fixed focal length includes five lens-element groups, a first front lens-element group, a second lens-element group, a third lens-element group, a fourth lens-element group, and a fifth back lens-element group is arranged in a stationary manner. Relative to an imaging plane in a lens barrel and both the focusing front group and the focusing back group are movable jointly relative to one another and to the lens-element groups arranged in a stationary manner in order to focus the lens on objects at different object distances.

Abstract: The invention relates to a pressing arrangement for a cover, in particular in a laboratory thermostat, having at least: a first component disposed to exert an excitation force, a second component, in particular a plate component disposed to exert a pressing force Fz in at least one target position, a transmission device disposed for transmitting force from the first component to the second component, characterized in that the transmission device comprises a transmission component disposed to be driven by the first component and to drive the second component, and the transmission device comprises at least one elastic tensioning member disposed to be driven by the first component so as to change its tension and to drive the transmission component, and the transmission device or the transmission component causes the setting of the pressing force Fz in dependence on the target position. The invention further relates to a corresponding method for pressuring.

Abstract: The invention relates to a program-controlled laboratory machine and to a method for the automatic program-controlled treatment of laboratory samples. The laboratory machine has a display having a first display area, via which program parameters that are required by the user are input, and has a second display area in which these input program parameters are shown. The performance of the treatment is effected automatically using the program parameters that are required by the user.

Abstract: The invention relates to a laboratory apparatus, and a method, for device-controlled handling of at least one laboratory sample, wherein the laboratory apparatus comprises at least one handling device, wherein the handling is controlled by the laboratory apparatus in use of several program parameters, a control device, a user interface device for manually inputting data by an user, and for the display of information, which may in particular depend on these data, wherein the user interface device comprises a display, on which a display area can be represented, and wherein the user interface device comprises a movement detecting sensor device, which is arranged for the detection of at least one user movement, which can be performed on the display area by an user, and wherein the control device is arranged for the provision of a movement detecting input mode, in order to • select the at least one program parameter and/or define its value depending on the at least one user movement, and • display at least one gra

Abstract: A construction machine comprising an undercarriage designed as a running gear and an upper carriage with a housing having side walls, wherein for access to the housing at least one housing opening with an access wall is provided, which is adjustable into an open position, and in an area in front of the housing opening a horizontal gangway is formed. At least one pull-out element is provided which can be pulled out horizontally between a retracted position and a pulled out position, in which the pull-out element projects horizontally from the housing, and in order to form the gangway a base plate is provided on the pull-out element.

Abstract: A construction machine comprising an undercarriage designed as a running gear and an upper carriage with a housing having side walls, wherein for access to the housing at least one housing opening with an access wall is provided, which is adjustable into an open position, and in an area in front of the housing opening a horizontal gangway is formed. At least one pull-out element is provided which can be pulled out horizontally between a retracted position and a pulled out position, in which the pull-out element projects horizontally from the housing, and in order to form the gangway a base plate is provided on the pull-out element.

Abstract: A manipulator configuration according to the invention comprises at least one manipulator and at least one control device and features a mechanical energy storage device, which is configured for storing mechanical energy of at least one manipulator.

Abstract: A sheet material for thermal insulation, comprising a flat core of an open-pored material having two parallel extending surfaces, and a circumferential region inter-connecting the surfaces; a first barrier film in contact with a first surface of the core and comprising a sealing layer, and a fully circumferential protrusion of the first barrier film; a flat filter material in contact with a second surface of the open-pored core and disposed oppositely first barrier film and providing a fully circumferential protrusion a second barrier film in contact with the outer face of the flat filter material and comprising at least one sealing layer facing the flat filter material, and a fully circumferential protrusion of said second barrier film; a sealing seam extending circumferentially along the protrusion of the two films and fixing the two films to each other; wherein the filter material is welded circumferentially into the sealing seam, and wherein the volume between the two barrier films and the sealing seam is