Abstract: Aspects of the disclosure relate to demarcation templates for demarcating a test area on a test surface and for providing visual guidance to a user to precisely and accurately swab the test surface in order to determine the presence and/or concentration of an analyte of interest on the test surface. In one aspect, the analyte of interest is a hazardous contaminant. Some templates can include alignment markings around the border demarcating the test area to provide such guidance to users, and can include graphical use instructions on a removable central portion of the template. The template can be adhesive to be securely fixed to the test surface for accurate demarcation of the test area throughout sampling.

Abstract: Example methods and apparatuses for liquid substance vaporization and concentration level determination are provided. An example apparatus may include a constant temperature chamber having a vaporization housing that includes a capillary component disposed within and a syringe assembly configured to inject a liquid substance to the capillary component. An example method may include determining an injection rate for injecting the liquid substance to the capillary component, determining a flow rate of the gaseous substance in the vaporization housing, and calculating a concentration level of a vaporized substance based on the injection rate and the flow rate.

Abstract: A fluid sampler system includes a fluidic head including a gas aperture capable of communication with a pressurized gas source, a liquid conduit capable of communication with a sample reservoir, and a seal capable of forming a compression seal to the sample reservoir when gas pressure is applied to the sample reservoir through the gas aperture and capable of displacing a portion of the sample through the liquid conduit; and a positioning apparatus capable of positioning the fluidic head and the sample reservoir in communication with one another. A method for providing an aliquot of sample, includes forming a releasable compression seal to a reservoir including a liquid sample; pressurizing the reservoir with compressed gas; displacing an aliquot of the sample from the reservoir; and transferring the displaced aliquot of the sample to a location.

Abstract: A method includes measuring a temperature of a semiconductor die, in which the semiconductor die includes a piezoelectric device, a pyroelectric device, and a memory. The method further includes receiving a first signal from the pyroelectric device, and based on the first signal, determining a parameter to be combined with a second signal from the piezoelectric device. The method further includes storing the parameter and the measured temperature into the memory.

Abstract: The disclosed techniques enable the installation of a level sensor capable of continuously detecting a level of fluid in a vessel or tank and capable of being integrated in a larger control system. Advantageously, sensor head of the disclosed level sensor can be installed on existing installations with an existing displacer or float and an existing member or rod. The disclosed techniques thus enable process plants to easily and affordably replace pneumatic level sensors with a more environmentally friendly option.

Abstract: A system for a deep-sea planktonic microorganism in-situ concentration, temperature maintaining and pressure maintaining sampling is provided and includes a sampling cylinder body with double layer structures, the sampling cylinder body is provided with a plug-shaped inner cavity, the plug-shaped inner cavity is provided with a transfer water outlet and a water inlet connected to a water inlet component, the plug-shaped inner cavity is connected to an end cover, the plug-shaped inner cavity is connected to a filter part, the sampling cylinder body is provided with a sampling water outlet, the sampling water outlet is respectively connected to a pressure maintaining device and a water outlet pipe, a temperature maintaining material layer and a temperature control component are connected between the double layer structures, and the temperature control component is electrically connected to a controller. The system can complete sampling on the premise of maintaining in-situ pressure of samples.

Abstract: A method of testing identification of pathogens for a biological Completely Automatic Public Turing Test To Tell Humans And Computers Apart (bCAPTCHA) system comprising: automatically electing a first electronic image for a participant with a computing system, where said electronic image comprises an image of a biological pathogen; presenting options for participant to select to identify characteristics of the pathogen; processing responses from participant. A method of testing identification of pathogens for a biological Completely Automatic Public Turing Test To Tell Humans And Computers Apart (bCAPTCHA) system comprising: automatically electing a first electronic image for a participant with a computing system, where said electronic image comprises an image of a biological pathogen; presenting options for participant to identify the pathogen; processing responses from participant.

Abstract: A sample injection method for liquid chromatography is performed with an injection valve having a waste port, two sample loop ports, and two high-pressure ports. One high-pressure port can be connected to a pump and the other high-pressure port can be connected to a chromatography column. A sample loop is connected to one of the sample loop ports on one end and to a pump volume of a sample conveying device on the other end. A section of the sample loop can be separated to facilitate receiving a sample fluid in the sample loop. A control unit controls the injection valve and the sample conveying device. The sample injector allows a sample to be loaded into the sample loop and then pressurized to an operating pressure prior to injecting the sample into the chromatography column. The sample loop may also be isolated from the operating pressure for facilitating depressurization of the loop.

Abstract: The disclosure relates to an electronic device and a method for determining the kind and the state of a food stored therein. The electronic device includes a storage container in which the food is stored, a gas detecting device for detecting a gas included in air in the storage container, and at least one processor that identifies a time point, at which the gases included in the air in the storage container are extracted, on the basis of at least one temperature profile of the gas detecting device, and identifies a time point at which the gases included in the air in the storage container are extracted, on the basis of a configuration of at least one adsorption material included in the gas detecting device.

Abstract: A system, method and footwear sensor unit a footwear sensor unit removably attachable to footwear, the footwear sensor unit including: an Inertial Measurement Unit (IMU) including a 3-axis accelerometer and a 3-axis gyroscope, the IMU adapted to gather sensor data of detected movements of the footwear; and a storage device in electronic communication with the IMU, the storage device for storing the sensor data; and a communications module in electronic communication with the storage device, the communication module configured to transmit data to an external computing device.

Abstract: The present invention discloses a fluid (e.g., urine) collecting vessel comprising a collector with an extension lip, wherein the collector is configured to fit inside a toilet with the extension lip placed on a toilet seat disposed on top of the toilet; a mechanism configured for extracting a sample of urine from inside the collector. The invention also disclosed methods for collecting fluids along a long time period comprising steps of providing a collector with an extension lip; placing the collector inside a toilet with said extension lip placed on a toilet seat disposed on top of the toilet; upon collecting urine inside the collector, extracting a sample of urine from inside the collector.

Abstract: A measurement system including a measurement device and at least a first probe unit and a second probe unit is disclosed. The first probe unit and the second probe unit are each connected to the measurement device in a signal transmitting manner. The measurement device includes a control circuit. The first probe unit includes an interface module being configured to receive a user input, to generate an input data signal based on the received user input, and to provide the input data signal to the control circuit. The control circuit is configured to generate and provide a control signal at least to the second probe unit based on the input data signal. At least the second probe unit is configured to adjust an operational parameter based on the control signal, wherein the operational parameter relates to a measurement parameter to be measured Moreover, a method for operating a measurement system is disclosed.

Abstract: A device for a cigarette tipping paper anti-adhesion test is disclosed. The device includes the following components: an upper cover (1), a plurality of upper cover semi-cylinders (11) inside the upper cover, having the same radius and arranged in parallel, and a box (2) with a plurality of holes (211) on the box upper surface (21), connected with the inner cavity of the box (2). Each upper cover semi-cylinder has a cross-section with a bow shape. The side wall of the box (2) also has an opening (22). A method for testing anti-adhesion of the cigarette tipping paper using the device is also disclosed. The present device can qualitatively and quantitatively simulate adhesion of tipping paper in various conditions.

Abstract: A friction and wear testing platform capable of simulating high-pressure, silt-containing and turbid submarine environment, including a tank, a loading device, a partition plate, a partition cylinder, a top sealing sleeve, a bottom sealing sleeve, a rotating shaft, an inner magnetic cylinder, an outer magnetic cylinder and a centering table. The partition plate and the partition cylinder divide an inner chamber of the tank into a test chamber and a pressure compensation chamber. The rotating shaft penetrates the pressure compensation chamber; two ends of the rotating shaft are sealed by the top and bottom sealing sleeves, respectively, as well as sealing bearings and rings therein. The loading device drives the rotating shaft to rotate, and the rotating shaft drives the inner magnetic cylinder to rotate. The centering table is driven through the magnetic coupling between the inner and outer magnetic cylinders to install a test piece.

Abstract: A sampling needle is provided for piercing a septum of a vial containing a sample and aspirating the sample from the vial. The needle may include: a tubular core having a lumen extending therethrough and a piercing end, wherein the tubular core is formed of a bioinert material; a hollow support encircling the tubular core with the piercing end extending outwardly from the support, wherein the support is formed of a rigid material; and a bioinert coating covering a portion of the support adjacent the piercing end, wherein the tubular core and the covering isolates the support from the sample.

Abstract: A method comprising: digitally processing orientation measurements provided by each of first and second inertial measurement units, the first and second units being arranged on first and second body members of a person, respectively, according to a predetermined unit arrangement, and the first and second body members being connected by a joint; the measurements are digitally processed such that the computing device at least: computes a length vector of a segment of the first body member based on a first orientation measurement of the first unit; defines a joint axis plane of the joint based on a second orientation measurement of the second unit; and computes a heading rotation value for making the first orientation measurement to be contained within the joint axis plane defined; and the method further comprising digitally modifying the first orientation measurement or the second orientation measurement by applying a rotation at least based on the heading rotation value computed.

Abstract: A universal fitting for in-line fluid measurement in a process application. The fitting includes an inlet and outlet port and also has a body with a fluid flow passage providing fluid communication between the ports. A sensor housing is provided that extends outwardly away from a wall of the body, wherein the housing is sized to receive a sensor assembly, which assembly measures at least one characteristic of the fluid. A base of each housing integrally formed with the wall and including a sensor seat for receiving a portion of the sensor assembly. A probe aperture receives a probe portion of the sensor assembly, each housing having the probe aperture disposed in the wall and extending from the fluid passage through its respective sensor seat.

Abstract: A system and method for monitoring a characteristic of a material by measuring electrical or magnetic properties of the material. The system includes a material monitoring device having at least one electrode and at least one magnetic coil, and is in communication with a machine learning model trained to recognize characteristics of the material based on electrical and magnetic properties of the material. The material can be stimulated with an electrical stimulus or stimulating magnetic field, and an electrical response signal or magnetic response signal can be measured. Applications to monitoring water quality, beverages, foodstuffs, and other characteristics of materials is discussed.

Abstract: A method, computer program product, and system are provided to calibrate a sensor array with a plurality of sensors. The method can include sweeping a voltage of a reference electrode from a first voltage to a second voltage, where the reference electrode is in fluid communication with the sensor array. The output voltage of each of the plurality of sensors can be monitored at one or more voltages within the first and second voltages. An overall average gain of the plurality of sensors can be calculated at each of the one or more voltages. Further, an acquisition window for the sensor array can be determined. The acquisition window can include a maximum distribution of sensors that provides a maximal overall average gain at a particular reference electrode voltage.

Abstract: An object hardness measuring device includes a first side portion, a second side portion, a pedestal unit, a load unit, a measuring unit, and a holding unit. The load unit applies a load to the measurement object. The measuring unit is able to measure, in a state where the load acts on the measurement object, at least one of a movement distance of the second side portion with respect to the first side portion and a change amount of the load when the second side portion is moved either at a predetermined speed or to a predetermined position. The holding unit is able to hold the measurement object, and is movable between the first side portion and the second side portion by the slide rail unit.