Abstract: The present invention relates to an aluminous cement.

Abstract: The present invention relates to a method of improving the growth and/or the yield of plants grown on agriculturally or horticulturally utilized substrates by applying at least one active compound (nitrification inhibitor) on agriculturally or horticulturally utilized substrates, wherein the at least one active compound I is added to the irrigation system in a water-dissolved form.

Abstract: A method for controlling a wind power plant is described. The method comprises measuring a sound emission by means of at least one pressure sensor secured to the rotor blade; detecting a characteristic aeroacoustic sound for at least one stall based on the sound emission; and controlling or regulating one or several components of the wind power plant based on the detection of the characteristic aeroacoustic sound of the stall.

Abstract: A composition including (a) at least one (thio)phosphoric acid triamide (T), where the (thio)phosphoric acid triamide (T) is one of N-n-butylthiophosphoric acid triamide (NBPT) and N-n-propylthiophosphoric acid triamide (NPPT), and (b) at least one specific herbicide.

Abstract: A method for determining an amount of a nitrogen-stabilizing additive selected from nitrification inhibitors, urease inhibitors and denitrification inhibitors, to be applied jointly or separately with a nitrogen containing fertilizer, comprising determining values of at least two parameters influencing the efficacy of the nitrogen-stabilizing additive, determining an amount of nitrogen containing fertilizer that has been applied or is to be applied, determining the efficacy of the nitrogen-stabilizing additive on the basis of said values of said at least two parameters and calculating the necessary amount of nitrogen-stabilizing additive to be applied on the basis of said efficacy of the nitrogen-stabilizing additive and of said amount of nitrogen-containing fertilizer application. Furthermore, the method relates to an apparatus (1) for determining an amount of a nitrogen-stabilizing additive.

Abstract: The present invention relates to methods and vehicles for separately applying a solid fertilizer and a liquid fertilizer additive to a working area of a field.

Abstract: The invention relates to a device for detecting acceleration. The device contains: a frame; a mass; a lever arm connected to the mass, wherein the mass is provided at a first lever position; an optical fiber having a fiber-optic sensor; and a compensation element for disturbance variables, wherein the compensation element for disturbance variables is connected to the lever arm or the mass and wherein the compensation element for disturbance variables is connected to the frame.

Abstract: The invention relates to an optoelectronic chip comprising the following elements: a light inlet; a wavelength-sensitive optical filter; a first photoelectric element for measuring a first light intensity, particularly a first photodiode, the first photoelectric element being arranged such that light penetrating the optoelectronic chip via the light inlet, transmitted by the filter, hits the first photoelectric element; and a second photoelectric element for measuring a second light intensity, particularly a second photodiode, the second photoelectric element being arranged such that the light penetrating the optoelectronic chip via the light inlet, which is reflected by the filter, hits the second photoelectric element.

Abstract: The invention relates to an acoustic emission sensor (100). The acoustic emission sensor comprises an optical resonator (10) having a sensor region (11) configured for reflective operation; an optical waveguide (20) which is optically coupled to the optical resonator (10); a light source (31) which is optically coupled to the optical waveguide (20) to apply light to the optical waveguide (20); and a detection device (32) which is optically coupled to the optical waveguide (20) to detect light from the optical resonator (10). The sensor region (11) of the optical resonator (10) comprises a coupling device (50) for mechanically coupling to a solid measurement object (200). The coupling device (50) comprises a first coupling element (51) for transmitting an acoustic emission signal between the sensor region (11) and the solid measurement object (200), and at least one second coupling element (52).

Abstract: A power tool with a rotatable tool designed as a saw blade or a milling cutter, including a sensor device for detecting a mechanical quantity, the mechanical quantity having a force, an acceleration, a velocity, a deflection, a deformation and/or a mechanical stress, and the mechanical quantity being dependent on a force emanating from the tool, and a control device communicatively coupled to the sensor device, which control device is adapted to recognize a kickback event based on the detected mechanical quantity, where the control device is adapted to selectively determine a first recognition function or a second recognition function different from the first recognition function based on a function determination information, and to perform the recognition of the kickback event based on the detected mechanical quantity using the determined recognition function.

Abstract: A power tool with a rotatable tool designed as a saw blade or a milling cutter, including a sensor device for detecting a mechanical quantity, the mechanical quantity having a force, an acceleration, a velocity, a deflection, a deformation and/or a mechanical stress, and the mechanical quantity being dependent on a force emanating from the tool, and a control device communicatively coupled to the sensor device, which control device is adapted to recognize a kickback event based on the detected mechanical quantity, where the control device is adapted to selectively determine a first recognition function or a second recognition function different from the first recognition function based on a function determination information, and to perform the recognition of the kickback event based on the detected mechanical quantity using the determined recognition function.

Abstract: A power tool, in particular a hand-held power tool, including a support section for setting down the power tool on a substrate, in particular on a workpiece and/or a guide element. The power tool has a support detection device and is designed to detect, by the support detection device, a first support state, in which the power tool is supported on the substrate by way of at least one first region of the support surface, and/or a second support state, in which the power tool is not resting on the substrate by way of at least the first region, and to determine an operating state of the power tool on the basis of the detected support state.

Abstract: Described herein are mixtures including at least two different nitrification inhibitors selected from 2-(3,4-dimethyl-1H-pyrazol-1-yl)succinic acid (DMPSA), 3,4-dimethyl pyrazolium glycolate (DMPG) and other compounds, including a mixture comprising DMPSA and DMP/DMPP. Further described herein are mixtures including as active components a first nitrification inhibitor (compound I) and a second nitrification inhibitor (compound II); a method for improving the nitrification-inhibiting effect, or for increasing the health of a plant using mixtures of one compound I and one compound II; the use of mixtures including compounds I and compounds II for increasing the health of a plant; agrochemical compositions including these mixtures; and plant propagation material, including these mixtures or these agrochemical compositions.

Abstract: An adaptive operating device (1) for agricultural tractors includes two or more operating regions (2), each of which includes at least one manually operable operating element (3). The operating device (1) includes a detecting device (4) to detect the type of working apparatus (5) coupled to the tractor during use, a configuration device (6) cooperating with the detecting device (4) for configuring the functionality of an operating element (3) or operating region (2) for the type of coupled-on working apparatus (5), and at least one indicating element (7) of indicating a configuration of an operating region (2). Depending on the configuration, at least one operating element (3) can be changed with regard to its spatial position or can be configured with regard to direction or extent of movement.

Abstract: The invention relates to a calcium sulfoaluminate cement, whereby it contains at least 90% by weight % C4A3$ in crystalline or amorphous form or as a mixture of crystalline and has amorphous parts.

Abstract: A power tool with a rotatable tool designed as a saw blade or a milling cutter, including a sensor device for detecting a mechanical quantity, the mechanical quantity having a force, an acceleration, a velocity, a deflection, a deformation and/or a mechanical stress, and the mechanical quantity being dependent on a force emanating from the tool, and a control device communicatively coupled to the sensor device, which control device is adapted to recognize a kickback event based on the detected mechanical quantity, where the control device is adapted to selectively determine a first recognition function or a second recognition function different from the first recognition function based on a function determination information, and to perform the recognition of the kickback event based on the detected mechanical quantity using the determined recognition function.

Abstract: The invention relates to a calcium sulfoaluminate cement, whereby it contains at least 90% by weight % C4A3$ in crystalline or amorphous form or as a mixture of crystalline and has amorphous parts.

Abstract: Method for obtaining a fertilizer composition comprising (iii) at least one urea-containing fertilizer (1); and (iv) at least one (thio)phosphoric acid triamide (2) according to general formula (I) wherein X1 is O or S; R1 is C1-C20-alkyl, C3-C20-cycloalkyl, C6-C20-aryl, C6-C20-aryl-C1-C4-alkyl, or C1-C6-(di)alylaminocarbonyl; R2 is H, C1-C20-alkyl, C3-C20-cycloalkyl, C6-C20-aryl, C6-C20-aryl-C1-C4-alkyl, or C1-C6-(di)alkylaminocarbonyl; or R1 and R2 together with the nitrogen atom linking them define a 5- or 6-membered saturated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of N, O, and S; and R3, R4, R5, and R6 are independently of each other selected from the group consisting of H and C1-C4-alkyl; comprising the steps: a) providing a solid and/or liquid premix (P) wherein the premix (P) comprises at least one urea-containing fertilizer (1) and at least one (thio)phosphoric acid triamide (2) in a weight ratio of 1:6 to 400:1 bas