mhurhangee/ep-ind-claims huggingface dataset:
A proppant particle having an elongated shape for use in hydraulic fracturing, wherein a fracturing fluid is inserted into a hydraulic fracture, the particle having a wall structure defining a transverse dimension and a longitudinal dimension of the particle and one or more internal void spaces within the particle, each void space also having transverse dimensions, such that the total transverse dimension of the void spaces is at least 0.2 times the maximum transverse dimension of the particle; the wall structure providing the particle with sufficient strength to withstand hydrostatic pressure of the fracturing fluid and closing pressures from the hydraulic fracture; the wall structure being formed of a material that is impervious to the fracturing fluid; such that the longitudinal dimension exceeds that of the transverse dimension, and wherein the particle has a density that is similar to the density of the fracturing fluid, wherein the proppant particle is a single component proppant particle which is a hollow closed ended elongated particle, having a uniform and contiguous wall composed of glass, ceramic, metal or metal oxides.
An automatic analyser comprising: an analysis module that is configured to analyze a sample; an insertion unit into which an examination object rack, having an examination object container accommodating the sample mounted thereon, is inserted; a transport line that is configured to transport the examination object rack from the insertion unit to the analysis module; a storage unit that is configured to store an operation mode of the automatic analyser; a detection unit; and a control unit, characterised in that the detection unit is configured to detect and regognize an operation mode switching rack inserted into the insertion unit by its ID, shape or colour; and the control unit is configured to switch the operation mode stored in the storage unit on the basis of the recognition of the operation mode switching rack by the detection unit, and the control unit is configured to apply the switched operation mode to the examination object rack transported from the insertion unit to the transport line after the operation mode switching rack. an analysis module that is configured to analyze a sample; an insertion unit into which an examination object rack, having an examination object container accommodating the sample mounted thereon, is inserted; a transport line that is configured to transport the examination object rack from the insertion unit to the analysis module; a storage unit that is configured to store an operation mode of the automatic analyser; a detection unit; and a control unit, characterised in that the detection unit is configured to detect and regognize an operation mode switching rack inserted into the insertion unit by its ID, shape or colour; and the control unit is configured to switch the operation mode stored in the storage unit on the basis of the recognition of the operation mode switching rack by the detection unit, and the control unit is configured to apply the switched operation mode to the examination object rack transported from the insertion unit to the transport line after the operation mode switching rack.
A method for controlling the exit of exhaust gases from an engine, said engine being used to power an underwater propeller drive which is arranged at the hull bottom of a boat, the method comprising letting the exhaust gases flow from the engine through an exhaust channel and exit through a first underwater exhaust outlet in the underwater propeller drive, the method being characterized in that if the engine is running and the transmission of the propeller drive is in neutral position, a second underwater exhaust outlet (220; 50, 60) is opened for letting exhaust gases in said exhaust channel exit in a position closer to the hull bottom of the boat than the first underwater exhaust outlet.
A computer-implemented method for managing data, the method including, at a computer: receiving individually accessible data units, each data unit identified by a respective key value; storing a first set of blocks of data, each of one or more of the blocks in the first set of blocks being generated by compressing a plurality of the data units, each block including data units corresponding to one or more key values, and at least one block including data units corresponding to two or more key values of a key field; and generating a first index that includes an entry for each of the blocks of the first set of blocks, wherein the entries include a key field that identifies each of the blocks based on one of the key values, wherein the key value for at least one of the entries of the index identifies a corresponding block that includes data units corresponding to a range of two or more key values that includes the key value of the entry of the index, wherein the entries of the first index enable location, based on a provided key value, of a block that includes data units corresponding to a range of key values that includes the provided key value. receiving individually accessible data units, each data unit identified by a respective key value; storing a first set of blocks of data, each of one or more of the blocks in the first set of blocks being generated by compressing a plurality of the data units, each block including data units corresponding to one or more key values, and at least one block including data units corresponding to two or more key values of a key field; and generating a first index that includes an entry for each of the blocks of the first set of blocks, wherein the entries include a key field that identifies each of the blocks based on one of the key values, wherein the key value for at least one of the entries of the index identifies a corresponding block that includes data units corresponding to a range of two or more key values that includes the key value of the entry of the index, wherein the entries of the first index enable location, based on a provided key value, of a block that includes data units corresponding to a range of key values that includes the provided key value.
A feedback controlled coil driver comprising: an LC tank circuit (512, 514) comprising a coil; a direct current power source coupled to the LC tank circuit; a switch interconnected between the LC tank circuit and ground to switchably couple the LC tank circuit between the power source and ground when the switch is turned on, wherein the point of interconnection between the LC tank circuit and the switch provides a coil driver output voltage VL; a sample and hold circuit arranged to monitor the VL and hold the driver output voltage VL at a turn on start time TST; an integrator circuit configured to provide a voltage VIO equal to the integral over time of the difference between the sampled VL and a prescribed reference voltage; a voltage ramp generator arranged to provide a ramp voltage at TST when the switch couples the LC tank circuit to ground; a first comparator arranged to compare the voltage VIO to the ramp voltage; and a switch driver coupled to the first comparator and arranged to turn the switch off when the ramp voltage exceeds the voltage VIO. an LC tank circuit (512, 514) comprising a coil; a direct current power source coupled to the LC tank circuit; a switch interconnected between the LC tank circuit and ground to switchably couple the LC tank circuit between the power source and ground when the switch is turned on, wherein the point of interconnection between the LC tank circuit and the switch provides a coil driver output voltage VL; a sample and hold circuit arranged to monitor the VL and hold the driver output voltage VL at a turn on start time TST; an integrator circuit configured to provide a voltage VIO equal to the integral over time of the difference between the sampled VL and a prescribed reference voltage; a voltage ramp generator arranged to provide a ramp voltage at TST when the switch couples the LC tank circuit to ground; a first comparator arranged to compare the voltage VIO to the ramp voltage; and a switch driver coupled to the first comparator and arranged to turn the switch off when the ramp voltage exceeds the voltage VIO.
Powder based on polyamide particles, in which: - said polyamide comprises more than 50 mol% of amine ends among the total number of amine and acid ends of the polyamide; - said particles bear, on their surface, primary amine groups at least partially neutralized by a phosphorus-based Brønsted acid, preferably phosphoric acid; - D50 of the particles is in the range from 100 nm to 50 μm, preferably from 100 nm to 20 μm, D50 corresponding to the average size by volume, measured according to standard ISO 9276 - parts 1 to 6. - said polyamide comprises more than 50 mol% of amine ends among the total number of amine and acid ends of the polyamide; - said particles bear, on their surface, primary amine groups at least partially neutralized by a phosphorus-based Brønsted acid, preferably phosphoric acid; - D50 of the particles is in the range from 100 nm to 50 μm, preferably from 100 nm to 20 μm, D50 corresponding to the average size by volume, measured according to standard ISO 9276 - parts 1 to 6.
A film member stacking device comprising a block provided with an outer end that contacts with an inner end of an opening of a first film member which has the opening, wherein the inner end of the opening of the first film member is positioned by the block and the first film member is stacked on a second film member, characterized in that a size of a shape formed by the outer end of the block is greater than a size of a shape formed by the inner end of the opening of the first film member for extending the opening of the first film member when bringing the inner end of the opening into contact with the outer end of the block.
A gimbal mount system configured to couple to a gimbal, the gimbal configured to secure a camera, the gimbal mount system comprising: a gimbal mount system body, the gimbal mount system body comprising a handle; a power source located within the gimbal mount system body; a user interface located on an outer surface of the gimbal mount system body; a mounting interface located within an end of the gimbal mount system body, the mounting interface comprising an opening configured to receive a reciprocal gimbal mounting protrusion and a locking mechanism configured to abut a reciprocal gimbal locking mechanism in a locked configuration, thereby securely coupling the gimbal to the gimbal mount system; a communication interface located within a surface of the mounting interface and configured to couple to a reciprocal communication interface of the gimbal; and a communication bus coupled to the power source, the user interface, and the communication interface, the communication bus configured to provide power from the power source to the gimbal and configured to provide one or more instructions based on a user input received via the user interface to the gimbal. a gimbal mount system body, the gimbal mount system body comprising a handle; a power source located within the gimbal mount system body; a user interface located on an outer surface of the gimbal mount system body; a mounting interface located within an end of the gimbal mount system body, the mounting interface comprising an opening configured to receive a reciprocal gimbal mounting protrusion and a locking mechanism configured to abut a reciprocal gimbal locking mechanism in a locked configuration, thereby securely coupling the gimbal to the gimbal mount system; a communication interface located within a surface of the mounting interface and configured to couple to a reciprocal communication interface of the gimbal; and a communication bus coupled to the power source, the user interface, and the communication interface, the communication bus configured to provide power from the power source to the gimbal and configured to provide one or more instructions based on a user input received via the user interface to the gimbal.
A display device comprising: a window; and a display panel coupled to a bottom surface of the window and having a substantially regular tetragonal shape or a substantially rectangular shape in a plan view, wherein the window comprises: a base member; and a bezel layer on a bottom surface of the base member, between one and three light-transmissive main alignment marks (AM-M) and a transmission area (WM-T) having a different shape than that of the display panel being defined in the bezel layer, characterized in that each of the main alignment marks (AM-M) is arranged at a position overlapping a vertex of the display panel or at a position overlapping a vertex of an imaginary regular tetragon or of an imaginary rectangle that has the same center point as the display panel and that is larger than the display panel. a window; and a display panel coupled to a bottom surface of the window and having a substantially regular tetragonal shape or a substantially rectangular shape in a plan view, wherein the window comprises: a base member; and a bezel layer on a bottom surface of the base member, between one and three light-transmissive main alignment marks (AM-M) and a transmission area (WM-T) having a different shape than that of the display panel being defined in the bezel layer, characterized in that a base member; and a bezel layer on a bottom surface of the base member, between one and three light-transmissive main alignment marks (AM-M) and a transmission area (WM-T) having a different shape than that of the display panel being defined in the bezel layer, characterized in that each of the main alignment marks (AM-M) is arranged at a position overlapping a vertex of the display panel or at a position overlapping a vertex of an imaginary regular tetragon or of an imaginary rectangle that has the same center point as the display panel and that is larger than the display panel.
A method of estimating an internal state of a first electrochemical system for electric powder storage, such as a battery, wherein at least one property relative to the internal state of said first electrochemical system is estimated from acoustic emission measurements, comprising the hollowing stages: - for different internal states of at least a second electrochemical system of the same type as said first electrochemical system: - measuring an acoustic emission response of said second electrochemical system corresponding to each internal state, and - recording for each response a signal characteristic of said acoustic emission response of said second system; - processing the signals characteristic of said second system recorded by grouping them into populations of signals having common parameters; - determining an acoustic signature of a given internal state by calibrating a relation between at least one of the parameters common to at least one acoustic signal population and a given internal state of said second system, by means of an analysis of the values of one or more common parameters of the acoustic signal populations obtained for each one of said internal states; - determining an acoustic emission response of said first electrochemical system so as to obtain at least one signal characteristic of said acoustic emission response of said first system; - estimating the internal state of said first electrochemical system by means of said relation by detecting the parameter(s) characteristic of the acoustic signature of a given internal state, in said signal characteristic of said acoustic emission response of said first system. - for different internal states of at least a second electrochemical system of the same type as said first electrochemical system: - measuring an acoustic emission response of said second electrochemical system corresponding to each internal state, and - recording for each response a signal characteristic of said acoustic emission response of said second system; - processing the signals characteristic of said second system recorded by grouping them into populations of signals having common parameters; - determining an acoustic signature of a given internal state by calibrating a relation between at least one of the parameters common to at least one acoustic signal population and a given internal state of said second system, by means of an analysis of the values of one or more common parameters of the acoustic signal populations obtained for each one of said internal states; - determining an acoustic emission response of said first electrochemical system so as to obtain at least one signal characteristic of said acoustic emission response of said first system; - estimating the internal state of said first electrochemical system by means of said relation by detecting the parameter(s) characteristic of the acoustic signature of a given internal state, in said signal characteristic of said acoustic emission response of said first system.
A deep groove ball bearing with a cage, comprising an outer ring, an inner ring, the cage, and steel balls, wherein the cage is provided between the outer ring and the inner ring, pockets are formed in the cage, the steel balls are placed in the pockets, the cage is split into an upper cage body and a lower cage body, pocket grooves are formed alternately in each of the upper cage body and the lower cage body, pocket grooves in the upper cage body and the lower cage body are combined correspondingly to form the pockets, a connecting portion is provided between adjacent pocket grooves in the upper cage body, a positioning portion is provided between adjacent pocket grooves in the lower cage body, an insertion piece and an insertion groove are provided between the connecting portion and the positioning portion, and the insertion piece and the insertion groove are configured to be fixed with each other to form a fixed connection between the upper cage body and the lower cage body; the insertion groove is formed in the positioning portion of the lower cage body, a bump is provided in the insertion groove, the insertion piece is provided on the connecting portion of the upper cage body, a clamping member is provided on an end portion of the insertion piece, and the clamping member is clamped between the bump and a bottom of the insertion groove; the bump is arranged adjacent to an inserting port of the insertion groove, and a contact surface of the bump and the clamping member is an arc surface; a positioning piece is respectively provided at two sides of the insertion piece, the positioning piece is elastic, and an accommodating groove is formed in a position of the insertion groove corresponding to the positioning piece; the insertion groove communicates with the pocket groove through the accommodating groove, and an oil storage cotton is provided in the accommodating groove.
A method of sending non-speech information through a speech codec comprising: processing a plurality of input data symbols to produce a plurality of first pulse signals; shaping the plurality of first pulse signals to produce a plurality of shaped first pulse signals, wherein the plurality of shaped first pulse signals have a spectrally noise-like characteristic; and encoding the plurality of shaped first pulse signals with a speech codec. processing a plurality of input data symbols to produce a plurality of first pulse signals; shaping the plurality of first pulse signals to produce a plurality of shaped first pulse signals, wherein the plurality of shaped first pulse signals have a spectrally noise-like characteristic; and encoding the plurality of shaped first pulse signals with a speech codec.
A portable power tool comprising a working tool assembly with a working tool; a body with a power unit, which power unit is arranged to drive the working tool; an elongate guide rod arranged between the working tool assembly and the body; a load relieving system comprising a harness arranged to be worn by an operator of the power tool, a support frame (3a, 3b) arranged to be connected to the harness, and a cord; wherein the body is arranged to be connected to the harness; wherein the cord is arranged to interconnect the guide rod and the support frame (3a, 3b), the cord being arranged to be connected to the support frame (3a, 3b) by means of a cord attachment assembly, characterized in that the cord has a clamped cord portion and a free end portion; and the cord attachment assembly has a cord clamping portion arranged to clamp the portion of the cord so as to fix the cord to the support frame (3 a, 3b) during normal use of the power tool, and a cord passage portion through which the cord may pass so as to release the cord from the support frame (3a, 3b), and in that the cord attachment assembly is configured so as to actuate automatic movement of the clamped portion of the cord from the cord clamping portion to the cord passage portion when a force acting on the clamped portion of the cord in a first direction exceeds a predetermined threshold value.
A method of fabricating a circuit element comprising: obtaining a first lithography mask write file comprising mask information characterizing at least one mask feature; obtaining a uniformity function configured to modify the mask information characterizing the at least one mask feature to compensate for a non-uniform deposition process; and applying the uniformity function to the first lithography mask write file to obtain a first modified lithography mask write file, wherein the obtaining the uniformity function comprises deriving one or more geometric arguments that determine a geometric relationship between a set of one or more deposition parameters and a resulting effect the deposition parameter has on a deposition, deriving, from a calibration process, an empirical function that characterizes how deposition data varies as a function of the set of one or more deposition parameters, or a combination thereof. obtaining a first lithography mask write file comprising mask information characterizing at least one mask feature; obtaining a uniformity function configured to modify the mask information characterizing the at least one mask feature to compensate for a non-uniform deposition process; and applying the uniformity function to the first lithography mask write file to obtain a first modified lithography mask write file, wherein the obtaining the uniformity function comprises deriving one or more geometric arguments that determine a geometric relationship between a set of one or more deposition parameters and a resulting effect the deposition parameter has on a deposition, deriving, from a calibration process, an empirical function that characterizes how deposition data varies as a function of the set of one or more deposition parameters, or a combination thereof. wherein the obtaining the uniformity function comprises deriving one or more geometric arguments that determine a geometric relationship between a set of one or more deposition parameters and a resulting effect the deposition parameter has on a deposition, deriving, from a calibration process, an empirical function that characterizes how deposition data varies as a function of the set of one or more deposition parameters, or a combination thereof.