A method of identifying a gas is provided. The method includes providing a gas sensor device comprising at least two stacked metal oxide layers, wherein a change in conductance of the gas sensor device in a presence of a gas varies with a temperature of the stacked metal oxide layers. The method includes bringing the gas into proximity with the stacked metal oxide layers. The method also includes measuring the conductance of the gas sensor device when the gas is in proximity with the stacked layers at multiple temperatures to generate a temperature-conductance profile. The method also includes identifying a gas of interest based on the temperature-conductance profile.

A calorimeter and method is also provided, including a sample cell, a reference cell, a thermostat in thermal communication with the sample cell and the reference cell, a first conductive wire, the first conductive wire having a first end connected to the thermostat and a second end connected to the sample cell, and a second conductive wire, the second conductive wire having a first end connected to the thermostat and a second end connected to the reference cell.

A measurement mechanism that has a body, a vacuum chamber located on the body and in which a measurement process is performed is disclosed. A first sample and a second sample between which a heat transfer occurs are placed in the vacuum chamber and contact each other. A piston that provides the first sample and the second sample to continuously contact each other, a measurement unit that contacts the first sample and the second sample, and a cooler located below the first sample and the second sample is also disclosed.

In association with a method and a device for sensory measurement of a material sample, a measurement curve is used to detect deviations from the regular measuring characteristics of the device. A corresponding file can be made available to a service technician for evaluation.

The present invention relates a fiber analysis method for determining ratio of components in the fiber comprising hydrophobic fiber component and thermoplastic fiber component.

The present invention relates a fiber analysis method for determining ratio of components in the fiber comprising hydrophobic fiber component and thermoplastic fiber component.

The present invention is related to the use of thermal means for analyzing materials and specifically provides a system for detecting concrete by means of infrared thermography that comprises: an information storage memory; and a processor operatively connected to said memory; wherein said processor is configured to: store a plurality of infrared thermography images in said memory; obtain, for each pixel of said plurality of images, a temperature profile as a function of time and a plurality of curves of temperature as a function of time, each of said temperature curves fitting a corresponding temperature profile as a function of time; determine an indicating value from each of said curves of temperature as function of time; and define that a pixel corresponds to concrete when said indicating value corresponding to said pixel is greater that a threshold value; and a method for detecting concrete by means of infrared thermography.

An actuator fiber is made of a thermoplastic resin and has a coil spring shape. A spring index D/d of 1.7 or more when an average diameter of a coil portion is represented by D and a fiber diameter is represented by d. A glass transition point measured by a differential scanning calorimeter may be 150° C. or lower.

A microhotplate comprising a membrane suspended over a substrate by a plurality of tethers connected between the substrate and the membrane. The membrane comprises a resistive heater comprising an electrically conductive material having a varying width from a peripheral portion of the membrane to a center of the membrane. The electrically conductive material comprises a first portion spiraling in a first direction and a second portion spiraling in a second direction and in electrical communication with the first portion at the center of the membrane. The microhotplate further comprises a first electrically conductive trace extending over a first tether and in electrical contact with a bond pad on the substrate and the first portion and a second electrically conductive trace extending over another tether and in electrical contact with another bond pad on the substrate and the second portion. Related chemical sensors and related methods of detecting at least one analyte are also disclosed.

A microhotplate comprising a membrane suspended over a substrate by a plurality of tethers connected between the substrate and the membrane. The membrane comprises a resistive heater comprising an electrically conductive material having a varying width from a peripheral portion of the membrane to a center of the membrane. The electrically conductive material comprises a first portion spiraling in a first direction and a second portion spiraling in a second direction and in electrical communication with the first portion at the center of the membrane. The microhotplate further comprises a first electrically conductive trace extending over a first tether and in electrical contact with a bond pad on the substrate and the first portion and a second electrically conductive trace extending over another tether and in electrical contact with another bond pad on the substrate and the second portion. Related chemical sensors and related methods of detecting at least one analyte are also disclosed.