Abstract: A thermal sensor in some embodiments comprises two temperature-sensitive branches, each including a thermal-sensing device, such as one or more bipolar-junction transistors, and a current source for generating a current density in the thermal-sensing device to generate a temperature-dependent signal. The thermal sensor further includes a signal processor configured to multiply the temperature-dependent signal from the branches by respective and different gain factors, and combine the resultant signals to generate an output signal that is substantially proportional to the absolute temperature the thermal sensor is disposed at.

Abstract: A motor noise detecting device according to an embodiment of the present disclosure includes a signal sensing part for sensing an acoustic signal generated from an object to be tested, a data acquisition part for receiving the acoustic signal sensed by the signal sensing part and converting it into an acoustic digital signal, and a data analysis part for receiving and analyzing the acoustic digital signal to perform a detection on whether the object to be tested is abnormal. In addition, the signal sensing part includes an AE (Acoustic Emission) sensor for sensing an elastic wave included in the acoustic signal, and the data analysis part generates result data of analyzing the acoustic digital signal, analyzes the generated result data through a pre-learned model, and detects whether the object to be tested is abnormal.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for self-calibrating ultrasonic removal of sea lice. In some implementations, a method includes generating, by transducers distributed in a sea lice treatment station, a first set of ultrasonic signals, detecting a second set of ultrasonic signals in response to propagation of the first set of ultrasonic signals through water, determining propagation parameters of the sea lice treatment station based on the second set of ultrasonic signals that were detected, obtaining an image of a sea louse on a fish in the sea lice treatment station, determining, from the image, a location of the sea louse in the sea lice treatment station, and generating a third set of ultrasonic signals that focuses energy at the sea louse.

Abstract: A method of detecting corrosion in a conduit or container comprises measuring the thickness of a wall of the conduit or container with one or more pulse-echo ultrasound devices, wherein the method comprises the following steps: (i) receiving signals indicative of A-scan data from the one or more pulse-echo ultrasound devices, wherein the A-scan data comprises a plurality of A-scan spectra; (ii) determining which of the A-scan spectra have a distorted waveform such that a reliable wall thickness measurement cannot be determined; (iii) analysing the A-scan spectra identified in step (ii) as having a distorted waveform to determine one or more A-scan spectral characteristics of each spectrum that are causing the distortion; (iv) resolving the waveform characteristics based on the determined spectral characteristics causing the waveform distortion so as to produce modified A-scan spectra; (v) determining thickness measurements of the wall based on the modified A-scan spectra; and (vi) determining the extent to wh

Abstract: A wrench width adapter for a component that is screwable into a threaded opening is provided, including a base body having a continuous inner recess, extending along a longitudinal axis, for receiving the screw-in component. An inner wall of the base body that delimits the inner recess, in a cross-sectional plane perpendicular to the longitudinal axis, has, at least in part, the shape of a regular polygon corresponding to a first wrench width dimension, and an outer wall of the base body has, at least in part, the shape of a regular polygon corresponding to a second wrench width dimension that is greater than the first wrench width dimension.

Abstract: A temperature probe for a cooktop appliance includes a resilient clip configured for mounting on a cooking utensil with a module connected to the resilient clip and a temperature sensor extending from the module along a longitudinal direction. The resilient clip may include a hook portion configured to engage a rim of the cooking utensil and an offset portion that is not parallel to the hook portion. The temperature probe may include an emitter and a receiver for non-contact measurement of a diameter of the cooking utensil.

Abstract: Systems and methods for monitoring pressure transients and pipe bursts in a pipeline network are provided. The system can include a pressure sensor for measuring pressure in a pipe and generating a pressure signal, and a hydrophone for detecting a change of the pressure and generating a hydrophone signal. The system can include a high pass filter that can filter a portion of the hydrophone signal corresponding to a particular frequency. The system can include a comparator that generates an interrupt signal when the hydrophone signal satisfies a threshold value. The system can include a microcontroller which stays in a sleep mode until receiving the interrupt signal. The microcontroller can switch on the pressure sensor to record the pressure signal generated by the pressure sensor after being woken up.

Abstract: A photoacoustic apparatus may include: a ring transducer configured to measure a photoacoustic signal generated from an object, and including a hollow space that is provided as a travel path of light and ultrasonic waves; a mirror part disposed along a light path of the light transmitted from the ring transducer, and configured to reflect the light transmitted from the ring transducer, and the ultrasonic waves generated from the object, and to adjust magnification of the mirror part according to a number of apertures of the photoacoustic apparatus; and a fluid tank including a transparent film that allows the photoacoustic signal to pass through the fluid tank, and accommodating a fluid, the ring transducer, and the mirror part inside the fluid tank.

Abstract: In an embodiment a membrane includes a hydrophobic region having a plurality of hierarchically arranged micrometer-sized and submicrometer-sized units consisting of a membrane material, wherein a single micrometer-sized unit has a diameter of from 1 ?m to 5 ?m and a single submicrometer-sized unit has a diameter of <1 ?m, and wherein the membrane is configured to be used in a pressure sensor system.

Abstract: An over-the-air measurement system for investigating a device under test with respect to its temperature behavior is provided. The over-the air measurement system includes a positioning unit attached to the device under test for positioning the device under test, at least one antenna, and a temperature generating unit for generating heated or cooled air. The over-the-air measurement system includes a piping system comprising at least one pipe connected to the temperature generating unit for passing the heated or cooled air generated by the temperature generating unit into at least one opening of an enveloping material surrounding the device under test or for siphoning the heated or cooled air.

Abstract: A probe includes a probe head, a probe tip extending from the probe head and having a sensor in fluidic communication with a first fluid stream, a pressure channel extending into the probe tip through the sensor face with a pressure sensor that senses pressure in the pressure channel, and a temperature channel extending into the probe tip through the sensor face. The temperature channel including a temperature orifice disposed on the sensor face and at least one exit port distal from the sensor face. The temperature channel is parallel to and fluidly separate from the pressure channel and includes a temperature sensor that senses temperature in the temperature channel. The temperature channel directs fluid flow from the temperature orifice to the at least one exit port, thereby discharging fluid flow into a second fluid stream.

Abstract: An online measuring system for the semi-volatile organic compounds in the gas phase is provided in the disclosure. The system comprises a filter head, a three-way electromagnetic valve, an enrichment-thermal desorption device, a two-position six-way valve, a mass flow controller, a gas pump, a gas chromatograph, a primary capture trap, a secondary focus trap, and a gas supply and pressure control system, the inlet of the filter head is connected to be provided with a sampling object, the outlet of the filter head is connected with the port B of the three-way electromagnetic valve through a passivated stainless steel tube, the port C of the three-way electromagnetic valve is connected with the inlet of the primary capture trap through a passivated stainless steel tube, and the port A of the three-way electromagnetic valve is connected to the gas supply and pressure control system through a passivated stainless steel tube.

Abstract: A sensor structure is disclosed comprising at least four planar layers subsuming at least one cavity housed but not contained by overlapping apertures through at least two of the planar layers, wherein the at least one cavity comprises a plurality of chambers, and wherein at least one chamber of the plurality of chambers is configured to be in fluid coupling with at least one other chamber. The plurality of chambers may be defined by overlapping apertures through a plurality of the planar layers. The plurality of chambers may include a Gas Chromatograph (GC) column. The planar layers may be flexible flat glass. The planar layers may be fused together. The layers may be made with apertures through the layers disposed in a desired pattern to define complex structures by the apertures overlapping between abutting layers when the layers are stacked. The planar layers may be configured to admit ultraviolet light.

Abstract: Embodiments of the disclosure provide systems and methods for detecting a resonant frequency of an optical beam-steering device. The method may include driving the optical beam-steering device with a driving signal oscillating at a plurality of frequencies. The method may also include detecting, by an acoustic detector, an acoustic signal caused by a movement of the optical beam-steering device. The method may further include analyzing a spectrum, by a controller, of the acoustic signal. The method may additionally include determining, by the controller, the resonant frequency of the optical beam-steering device based on the spectrum.

Abstract: A heat amount measuring method includes a first step of providing a heat-transferring component that transfers and receives heat to and from a heating component and measuring, while the heating component is generating heat, a first heat amount of heat transmitted from the heating component to the heat-transferring component, a first heating component temperature, and a first substrate temperature, a second step of changing an output of the heat-transferring component and measuring a second heat amount of heat transmitted from the heating component to the heat-transferring component, a second heating component temperature, and a second substrate temperature, and a third step of calculating a heat amount of heat transmitted from the heating component to a substrate by using the first heat amount, the first heating component temperature, the first substrate temperature, the second heat amount, the second heating component temperature, and the second substrate temperature.

Abstract: The present invention relates to the field of chemical analysis detection and application, in particular to a marker peptide of snake venom thrombin-like enzymes (SVTLEs) from Agkistrodon Halys Pallas and an application thereof. The amino acid sequence of the marker peptide of snake venom thrombin-like enzymes (SVTLEs) from Agkistrodon Halys Pallas is TLCAGVMEGGIDTCNR. Characterizing the source of species and a content of the SVTLEs in a to-be-detected sample by using the marker peptide includes the following steps of: pretreating the to-be-detected sample by trypsin through enzymolysis, and taking a supernatant of an enzymolysis liquid as a test solution; and injecting the test solution and a reference solution into a liquid chromatography-mass spectrometer, and selecting a qualitative ion pair and a quantitative ion pair for detecting the source of species and a content of the SVTLEs in the to-be-detected sample.

Abstract: An actuator comprising a linear electrical machine (LEM) having a stator with a stator bore and a translator axially movable within the stator bore and defining a magnetic circuit airgap therebetween, at least one fluid bearing journal formed on the translator, at least one fluid bearing providing a bearing gap adjacent the translator to allow the translator to move axially within the stator bore, a preload chamber for applying a preload force to the translator, wherein the preload chamber is defined by a side wall, a first end wall and a second end wall at least part of which is movable with the translator, and wherein the bearing gap and the magnetic circuit airgap are coaxial.

Abstract: The present invention provides a thermal sensor integrated IC having a resistor and a converting circuit. The resistor is implemented by at least one metal line, wherein a resistance of the resistor is varied with a temperature of the resistor, the resistor has a first terminal and a second terminal, and one of the first terminal and the second terminal is arranged to provide a voltage signal corresponding to the resistance. The converting circuit is coupled to the resistor, and is configured to convert the voltage signal to an output signal for determining the temperature. In one embodiment, the at least one metal line is made by copper.

Abstract: A cavity blackbody radiation source is provided. The cavity blackbody radiation source comprises a blackbody radiation cavity and a carbon nanotube composite material. The blackbody radiation cavity comprises an inner surface. The carbon nanotube composite material is located on the inner surface. The carbon nanotube composite material comprises a black lacquer and a plurality of carbon nanotubes, and the plurality of carbon nanotubes is dispersed in the black lacquer.

Abstract: A bathythermograph buoy and an associated method of operation are provided to measure temperature and/or optionally other parameter(s) within an ocean or another body of water. A bathythermograph buoy includes a housing and one or more sensors carried by the housing and configured to repeatedly measure one or more respective parameters as the bathythermograph buoy descends. The bathythermograph buoy of one example also includes a memory carried by the housing and configured to store representations of the one or more respective parameters measured by the one or more sensors. The bathythermograph buoy further includes a buoyancy modification device configured to increase buoyancy of the bathythermograph buoy to permit the bathythermograph buoy to ascend.