Abstract: The disclosure relates to a method for determining a profile section of an object and/or space by means of a 2D laser scanner having a laser rangefinder, including: recording mutually assignable distance measurement values and distance measurement directions by means of the laser rangefinder in a measuring plane traversed radially by a laser beam of the laser rangefinder, determining the profile section, from the distance measurement values and distance measurement directions, determining an angle of inclination of the measuring plane with respect to a reference plane, and correcting the profile section using the angle of inclination of the measuring plane. According to the disclosure, the angle of inclination of the measuring plane is determined by using the laser rangefinder. The disclosure also relates to a 2D laser scanner and to a system.

Abstract: A method includes converting, by a generative network, an input into a latent vector representation of a sample chemical compound, wherein the input is one of an order-dependent representation of the sample chemical compound and a molecular graph representation of the sample chemical compound; determining, by an output neural network, one or more properties of the sample chemical compound based on the latent vector representation of the sample chemical compound; performing, by the output neural network, an optimization routine to select a candidate latent vector representation from among a plurality of latent vector representations based on the latent vector representation of the sample chemical compound, wherein the plurality of latent vector representations includes the latent vector representation of the sample chemical compound; and identifying, by the output neural network, a candidate chemical compound based on the candidate latent vector representation.

Abstract: A body spin detection device for a projectile, the device including a perturbing element and a detection element electrically connected to detection circuitry in the projectile. The detection circuitry configured to receive, via the detection element, a first and second input signals and determine that the first input signal is different from the second input signal based on signal characteristics for the first and second input signals. The detection circuitry is further configured to determine a spin rate for at least one of the despun control portion and the chassis by determining a time period between receiving the first input signal and the second input signal.

Abstract: A laser leveling device includes at least one laser emitting device for emitting a laser marking, in particular a one-dimensional laser marking, in an emission direction onto a projection surface. The laser emitting device includes a first sensor device for ascertaining the actual alignment of the at least one laser emitting device with respect to the projection surface, a controller which is designed to calculate a target alignment of the at least one laser emitting device at least on the basis of the ascertained actual alignment of the at least one laser emitting device with respect to the projection surface, and a positioning device for aligning the at least one laser emitting device according to the target alignment. The disclosure additionally relates to a leveling method.

Abstract: A method includes generating a graph of a chemical compound based on at least one of an order-dependent representation of the chemical compound and a molecular graph representation of the chemical compound, encoding the graph based on an adjacency matrix of a graph convolutional neural network (GCN), an activation function of the GCN, and one or more weights of the GCN to generate a latent vector representation of the chemical compound, and decoding the latent vector representation based on a plurality of hidden states of a neural network (NN) to generate a reproduced order-dependent representation of the chemical compound.

Abstract: A levelling apparatus includes a housing, a light generation unit, at least one first lens, a second lens, and a holding apparatus. The light generation unit is arranged in the housing, is mounted in an oscillating manner relative to the housing and has at least one light source, to which the at least one first lens for generating a first light plane and the second lens for generating a second light plane are assigned. The holding apparatus includes a first holding element and a second holding element for arranging the at least one first lens and the second lens. The at least one first lens is arranged on the first holding element and the second lens is arranged on the second holding element. The holding apparatus is configured to orient the at least one first lens and the second lens at least substantially perpendicular to one another.

Abstract: A levelling apparatus includes a housing, a light generation unit, at least one first lens, a second lens, and a holding apparatus. The light generation unit is arranged in the housing, is mounted in an oscillating manner relative to the housing and has at least one light source, to which the at least one first lens for generating a first light plane and the second lens for generating a second light plane are assigned. The holding apparatus includes a first holding element and a second holding element for arranging the at least one first lens and the second lens. The at least one first lens is arranged on the first holding element and the second lens is arranged on the second holding element. The holding apparatus is configured to orient the at least one first lens and the second lens at least substantially perpendicular to one another.

Abstract: Systems, apparatuses, devices, networks, and methods for testing of animals, and, in particular, cognitive testing. Testing can include a modular hardware controller configured to include at least two modular interfaces, allowing interconnection of one or more child controller circuit boards. The child controller boards may collectively control an environment within the testing chamber, and receive input from or provide output to a testing chamber of an animal testing enclosure. Features are provided to execute testing protocols and collect results, including those using a script-based domain specific language, as well as to adjust a specific test execution using feedback from the testing system to ensure compliance with testing protocols.

Abstract: Methods, systems and products are provided to quantitatively measure the degree of concordance between or among microarray probe level data sets. These can include the steps of evaluating outlier probe values, determine gene expression scores, evaluating the significant treatment effect for each gene expression score, and determining concordance between replicate data sets.

Abstract: A system and method for imaging properties of subterranean formations in a wellbore is provided. The system comprises a formation sensor for collecting currents injected into the subterranean formations, the formation sensor positionable on a downhole tool deployable into the wellbore. The system comprises a controller for controlling the formation sensor and a formation imaging unit. The formation imaging unit comprises a current management unit for collecting data from the currents injected into the subterranean formations, the currents having at least two different frequencies. The formation imaging unit comprises a drilling mud data unit for determining at least one drilling mud parameter, a formation data unit for determining at least one formation parameter from the collected data, and an inversion unit for determining at least one formation property by inverting the at least one formation parameter.

Abstract: Methods and devices for determining a rate of penetration and/or rate of rotation for a drilling assembly or logging tool while drilling or logging a wellbore are provided. The methods can include the steps of: at respective first and second time instant, acquiring and storing a first logging data frame using a first array of sensors and a second logging data frame using a second array of sensors where wherein the logging data relate to at least one property of a zone surrounding the wellbore and the second logging data frame overlaps at least partially the first logging data frame; comparing the first and second logging data frames; determining a relative change in depth and/or azimuth between the first and second logging data frames; and calculating the rate of penetration and/or rate of rotation based on the relative change in depth and/or azimuth determined and a difference between the first and second time instants.

Abstract: A method of correcting accelerometer and magnetometer measurements made in a well is provided. The method includes making a series of triaxial measurements with magnetometers and accelerometers in an interval of the well to derive measured values of gravitational acceleration g, magnetic filed intensity B, and the sine of the magnetic inclination sin I. The method also includes obtaining known values of g, B and sin I for the interval and determining values of a correction to be applied to the measured values by simultaneously minimizing the difference between the measured values and the known values of g, B and sin I for the interval. The method also includes applying the correction to the measured values to obtain in situ corrected values for g, B and sin I.

Abstract: A method, a system, and an apparatus are described for the data acquisition in the well-logging of a borehole wall during the investigation of formation properties. Data acquisition is conducted by either an adaptive phase compensation processing or a modulus mode processing, both of which use in-phase and out-of-phase current components to obtain current values. Adaptive phase compensation employs a calculation of a phase shift compensation value, which may then be applied to subsequent acquisitions and can be further processed in the generation of an image of the borehole wall.

Abstract: A system and method for imaging properties of subterranean formations in a wellbore is provided. The system comprises a formation sensor for collecting currents injected into the subterranean formations, the formation sensor positionable on a downhole tool deployable into the wellbore. The system comprises a controller for controlling the formation sensor and a formation imaging unit. The formation imaging unit comprises a current management unit for collecting data from the currents injected into the subterranean formations, the currents having at least two different frequencies. The formation imaging unit comprises a drilling mud data unit for determining at least one drilling mud parameter, a formation data unit for determining at least one formation parameter from the collected data, and an inversion unit for determining at least one formation property by inverting the at least one formation parameter.

Abstract: Methods and devices for determining a rate of penetration and/or rate of rotation for a drilling assembly or logging tool while drilling or logging a wellbore are provided. The methods can include the steps of: at respective first and second time instant, acquiring and storing a first logging data frame using a first array of sensors and a second logging data frame using a second array of sensors where wherein the logging data relate to at least one property of a zone surrounding the wellbore and the second logging data frame overlaps at least partially the first logging data frame; comparing the first and second logging data frames; determining a relative change in depth and/or azimuth between the first and second logging data frames; and calculating the rate of penetration and/or rate of rotation based on the relative change in depth and/or azimuth determined and a difference between the first and second time instants.

Abstract: Methods, systems and products are provided to quantitatively measure the degree of concordance between or among microarray probe level data sets.

Abstract: A method of measuring depth and/or azimuth of logging data, the logging data being related to at least one property of a zone GF, CS, CA surrounding a wellbore and being measured by at least a sensor array SA1D, SA2D, the method comprising the steps of: acquiring and storing a first logging data frame F11, F21 corresponding to a first position of the sensor array, acquiring and storing a second logging data frame F12, F22 corresponding to a second position of the sensor array, the first and second position are such that the second logging data frame F12, F22 overlaps at least partially the first logging data frame F11, F21, comparing the first F11, F21 and second F12, F22 logging data frame, and calculating a relative change in the depth ?DP and/or azimuth ?AZ of logging data measured by the sensor array SA1D, SA2D between the first F11, F21 and second F12, F22 logging data frame.

Abstract: Apparatus for obtaining images of the wall of a borehole, comprises a tool body; a light source mounted on the tool body and arranged to illuminate the borehole wall; a camera mounted in the tool body; and a mirror moveably mounted on the tool body and spaced axially from the camera and arranged to reflect an image of the borehole wall at the camera, wherein the movement of the mirror allows images of different parts of the borehole wall to be reflected at the camera.

Abstract: Apparatus for imaging the wall of a borehole drilled through an underground formation, comprising: a light source; an optical detector device such as a CCD camera; a sensor head including a window for application against the wall of the borehole, the light source being connected to the sensor head so as to illuminate the region of the borehole wall when the sensor head is applied to the wall; and an optical fiber bundle connecting the window to the optical detector device so as to pass optical signals from the wall to the optical detector device; wherein the optical fiber bundle comprises a coherent bundle, each fiber of the coherent bundle providing one pixel of a two-dimensional, multi-pixel image of the borehole wall.

Abstract: A method of correcting accelerometer and magnetometer measurements made in a well, comprising: making a series of triaxial measurements with magnetometers and accelerometers in an interval of the well to derive measured values of gravitational acceleration g, magnetic filed intensity B and the sine of the magnetic inclination sinl; obtaining known values of g, B and sinl for the interval; determining values of a correction to be applied to the measured values by simultaneously minimising the difference between the measured values and the known values of g, B and sinl for the interval; and applying the correction to the measured values to obtain in situ corrected values for g, B and sinl.