G01N2201/025

Methods for gas leak detection and localization in populated areas having a distance estimate

Improved gas leak detection from moving platforms is provided. Automatic horizontal spatial scale analysis can be performed in order to distinguish a leak from background levels of the measured gas. Source identification can be provided by using isotopic ratios and/or chemical tracers to distinguish gas leaks from other sources of the measured gas. Multi-point measurements combined with spatial analysis of the multi-point measurement results can provide leak source distance estimates. These methods can be practiced individually or in any combination.

ABSORBANCE SPECTROSCOPIC DEVICE
20220373455 · 2022-11-24 ·

Provided is a spectrophotometric device including a base plate including a first surface to accommodate a sample thereon, a rotatable plate including a second surface corresponding to and spaced a certain distance apart from the first surface, a test beam radiator connected to the first surface through a first beam guide to radiate a test beam to the sample accommodated on a beam path between the first and second surfaces, a spectrophotometer connected to the second surface through a second beam guide to analyze spectroscopic properties of the sample by analyzing a characteristic beam having passed through the sample accommodated on the beam path, and a state determiner provided near the beam path to determine whether the sample accommodated between the first and second surfaces is in a state in which analysis of optical properties is enabled.

METHODS, CARRIER ASSEMBLIES, AND SYSTEMS FOR IMAGING SAMPLES FOR BIOLOGICAL OR CHEMICAL ANALYSIS

Method includes positioning a first carrier assembly on a system stage. The carrier assembly includes a support frame having an inner frame edge that defines a window of the support frame. The first carrier assembly includes a first substrate that is positioned within the window and surrounded by the inner frame edge. The first substrate has a sample thereon. The method includes detecting optical signals from the sample of the first substrate. The method also includes replacing the first carrier assembly on the system stage with a second carrier assembly on the system stage. The second carrier assembly includes the support frame and an adapter plate held by the support frame. The second carrier assembly has a second substrate held by the adapter plate that has a sample thereon. The method also includes detecting optical signals from the sample of the second substrate.

Methods, carrier assemblies, and systems for imaging samples for biological or chemical analysis

Method includes positioning a first carrier assembly on a system stage. The carrier assembly includes a support frame having an inner frame edge that defines a window of the support frame. The first carrier assembly includes a first substrate that is positioned within the window and surrounded by the inner frame edge. The first substrate has a sample thereon. The method includes detecting optical signals from the sample of the first substrate. The method also includes replacing the first carrier assembly on the system stage with a second carrier assembly on the system stage. The second carrier assembly includes the support frame and an adapter plate held by the support frame. The second carrier assembly has a second substrate held by the adapter plate that has a sample thereon. The method also includes detecting optical signals from the sample of the second substrate.

OPTICAL MEASURING DEVICE AND SAFETY DEVICE USED THEREIN
20170299515 · 2017-10-19 · ·

An optical measuring device including a sample placement portion for a measurement sample to be placed therein; a light source portion for emitting a measurement beam toward the measurement sample that is placed in the sample placement portion; and a detector for detecting sample information from a measurement sample that is disposed in the sample placement portion; a cover portion that is able to open and close, for accessing the interior of the sample placement portion, is formed on the sample placement portion; an optical element member for not transmitting light of at least a prescribed wavelength band within the measurement beam; and a driving mechanism that is linked mechanically with the opening and closing of the cover portion to move the optical element member.

Inspection and repair module

The invention relates to an inspection and repair module for an internal side wall of a vertically erected structure, with the module including a carrier for supporting at least one data recording mechanism and being securable to a hoist, and for an inspection and repair module for an internal wall of a conduit with the module including propulsion means comprising a set of driven tracked wheels controllable by a controller carried by the carrier and configured to provide, within a conduit, longitudinal forward and reverse motion.

Methods for gas leak detection and localization in populated areas using isotope ratio measurements

Improved gas leak detection from moving platforms is provided. Automatic horizontal spatial scale analysis can be performed in order to distinguish a leak from background levels of the measured gas. Source identification can be provided by using isotopic ratios and/or chemical tracers to distinguish gas leaks from other sources of the measured gas. Multi-point measurements combined with spatial analysis of the multi-point measurement results can provide leak source distance estimates. Qualitative source identification is provided. These methods can be practiced individually or in any combination.

Laser scanning microscope system and method of setting laser-light intensity value
09739715 · 2017-08-22 · ·

A method of setting a laser-light intensity value includes: emitting laser light, the laser light being excitation light, a fluorescent-dyed biological sample being irradiated with the excitation light and emitting light; detecting fluorescence emitted by the biological sample, and outputting a signal corresponding to a brightness value; prestoring relation information, the relation information including the plurality of laser-light intensity values, and information on at least one possible correlation between a phototoxicity degree and the brightness value in relation to each of the laser-light intensity values, the phototoxicity to the biological sample resulting from the laser light; generating a fluorescence image having the brightness value based on the output signal; calculating a brightness value representative of a ROI area based on the generated fluorescence image; and referring to the relation information, and determining a laser-light intensity value satisfying tolerance of the phototoxicity based on the calculated representative brightness value.

Capillary cell, arrangement and method for accommodating, positioning and examining a microscopic specimen

A capillary cell is described along with an arrangement and a method for receiving, positioning and examining a microscopic specimen, in particular a cleared fluorescent specimen with the help of a single-plane fluorescence microscope. The capillary cell is suitable for being positioned in a chamber volume and contains a capillary section, which comprises a wall. The wall encloses a specimen volume and is planar and transparent in at least some sections. In addition, the capillary cell includes an upper and a lower closure section, which are connected to the capillary section and which seal the capillary section. The specimen volume is separated from the chamber volume by the capillary section, the upper closure section and the lower closure section.

Test system

Provided is a test system operable with a simplified structure. A test system includes a first test device and a second test device each of which transports and tests a sample. The test device includes a master control unit, which performs assignment of samples to the first test device and the second test device, and control of a transport operation of the sample assigned to the test device. The test device includes a slave control unit, which controls a transport operation of the sample assigned to the test device by the master control unit.