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JP2020521116A |
A system (100) is provided for generating analytical data indicating the presence of one or more predetermined components in a sample (110). The system consists of a source device (120) for directing the particle flow (130) toward the sa...
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JP6689453B2 |
Provided are a radiation measurement device and method that allow stable radiation measurement as compared with the prior art. The radiation measurement device includes a radiation detection unit 1 having a scintillator, an optical trans...
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JP6689008B2 |
Presented herein are systems (200,500,600), methods (300), and nonvolatile computer-readable storage devices (442) for informing a particle event processor (224) of a particle detector (202) of events arising within a sensor period. The ...
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JP6682422B2 |
According to one embodiment, a radiation detector includes a stacked body. The stacked body includes a first scintillator layer, a first conductive layer, a second conductive layer and an organic semiconductor layer. The second conductiv...
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JP2020046251A |
To provide a neutron detection method and a neutron detector which can easily and accurately grasp the presence of neutron rays.A neutron detection method detects a neutron ray using a neutron scintillator and a photodetector. The neutro...
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JP6663515B2 |
Provided are a method for measuring dose distribution in a mixed radiation field of neutrons and gamma rays, and a method for measuring beam uniformity of a mixed radiation field of neutrons and gamma rays. The planar dose measuring meth...
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JP2020507080A |
A charged particle detector is provided. The charged particle detector includes a flexible semiconductor wafer doped to form a pn junction and an amplifier coupled to the semiconductor wafer and configured to amplify the current or volta...
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JP6647048B2 |
To provide a radiation measurement system that can accurately measure a neutron flux even under a special environment such as under a high gamma ray environment.A radiation measurement system comprises: a neutron capture device 10 that i...
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JP6637603B2 |
A method for detecting both gamma-ray events and neutron events with a common detector, where the detector includes a layer of semiconductor material adjacent one side of a glass plate and a Gd layer on an opposite side of the glass plat...
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JP6638065B2 |
The object of the present invention resides in provision of a reactor power monitoring apparatus suitable for monitoring of local power in an axial direction of a level similar to that of an LPRM. In order to solve the subject described ...
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JP6630471B2 |
An atomic particle detection assembly (10) includes at least one detector (30) that detects atomic particles. The atomic particle detection assembly includes a junction apparatus (40) supporting the detector. The junction apparatus inclu...
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JP2019536065A |
A gamma-ray detection device is a scintillation detector that detects gamma rays and comprises a scintillation substance containing an element that creates an isotope that emits gamma rays by neutron activation of the element, and a scin...
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JP6613464B2 |
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JP6614776B2 |
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JP6615713B2 |
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JP6602659B2 |
To measure neutrons after making measurements by a neutron detector and a gamma ray detector separately.According to an embodiment, a neutron measurement apparatus 100 has: a neutron detector 1; a gamma ray detector 2; a neutron detector...
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JP6571620B2 |
The present application, pertaining to the field of slow neutron detection, relates to a slow neutron converter (100) and a slow neutron detector (500). The slow neutron converter (100) includes a substrate (120), the substrate (120) inc...
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JP6563745B2 |
To provide a debris deposition amount estimation device and estimation method that can safely and reliably estimate the amount of deposition of debris deposited inside a furnace.A neutron detector 31 measures neutron flux within a nuclea...
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JP6563339B2 |
[Problem] To provide a neutron detector having a high neutron counting accuracy, whereby neutrons can be accurately measured even in a field with a high dose of ³-rays as background noise, said neutron detector being a neutron scintilla...
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JP2019127407A |
To provide a solution to a problem with the need for silicon purity to be increased for ridding silicon of Th and U emitting alpha ray and with increased production cost.A drying specific gravity classification apparatus is used for sepa...
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JP2019128332A |
To solve such a problem that a dose meter having a radiator and a semiconductor detection element is known as a dose meter used for detecting a neutron, whereas improvement of sensitivity to a neutron having low energy of equal to or les...
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JP2019120625A |
To provide a nuclear instrumentation device and a reactor that can make a necessary gamma dose accurately incident on a gamma-ray detector even if the gamma-ray detector is provided outside the pressure vessel.The device includes an inst...
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JP6532008B2 |
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JP6529570B2 |
The present invention provides a method for forming a sensitive film for neutron detection, wherein the sensitive film is formed by electrophoresis coating, the liquid used for electrophoresis coating includes neutron sensitive material,...
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JP6522926B2 |
According to an embodiment, a neutron measurement apparatus has: a neutron detector; a preamplifier that amplifies an output signal of the neutron detector and outputs a neutron detection signal; a pulse counting unit that measures the n...
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JP2019078653A |
To provide a neutron position detector that can increase the positional resolution.A neutron position detector 11 includes: a tubular enclosing device 20 to be a cathode; an anode 21 arranged around the axis of the enclosing device 20; a...
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JP6505109B2 |
A radiation detecting system, including: plastics scintillators juxtaposed to form at least one pair of contiguous plastics scintillators; a photomultiplier associated with each plastics scintillator to provide an electrical signal repre...
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JP2019507335A |
The layered pixel detector (7) of ionizing radiation includes at least two semiconductor pixel particle counting detectors. Each detector is composed of a sensor (1) connected to a readout chip (2), while the readout chip (2) has a protr...
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JP6469972B2 |
To secure a margin in terms of structural strength in an LPRM.A local power range neutron monitor includes: a tubular cover pipe 16 surrounding outsides of a neutron detector 11 and neutron detecting accommodation items 12 and 13; a hous...
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JP2019020193A |
To provide a neutron beam detector with which it is possible to reduce the effect of radioactivation and accurately measure a neutron beam.Provided is a neutron beam detector 10, installed at a position where a neutron beam 15 passes thr...
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JP6461094B2 |
A device for processing signals detected by a set of n neutron detectors, the device including: n switches each including an input and an output, each switch receiving, on its input, a detected signal coming from a different detector, ou...
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JP6461931B2 |
A detector includes an outer shell having a shell profile in which a welded portion of the shell profile extends as an annular flange in an outward direction relative to a center axis of the outer shell. The detector further includes an ...
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JP6448221B2 |
To provide a burnup measurement technique capable of acquiring burnup having high reliability in terms of fuel debris generated due to meltdown.A burnup measurement apparatus 10 of fuel debris comprises: a handling section 12 holding a d...
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JP6441062B2 |
According to an embodiment, a neutron measurement apparatus has a neutron detector; a pre-amplifier; a first AC amplifier which extracts and amplifies an AC component; a bandwidth limiter which obtains a signal of a range of a predetermi...
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JP2018179611A |
To provide a furnace neutron monitoring device capable of accurately monitoring a state of a core by accurately monitoring a change of neutron of the specific position in the core.A furnace neutron monitoring device 1 includes: an instru...
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JP6422322B2 |
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JP6414830B2 |
A waveform discrimination device includes: a waveform detector receiving waveforms of pulses to be measured and converting the waveforms to electrical signals; an analog amplifier expanding transient waveforms of the electrical signals a...
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JP2018151233A |
To provide a radiation measuring device in which a radiation detector can be brought into a desirable contact with the surface of a measurement target surface.A radiation measuring device 1 includes a radiation detector 10, which substan...
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JP6392938B2 |
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JP2018136317A |
To provide a neutron dosimetry element and a measuring method of neutron dose which are able to perform measurement at the same site, cause no error and no trouble in accuracy, and are fuss-free.There are provided a neutron dosimetry ele...
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JP6377502B2 |
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JP6362185B2 |
In particular, the devices and methods of the invention are effective without the need to employ a radioactive material.
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JP6363497B2 |
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JP6343785B2 |
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JP6343773B2 |
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JP6339597B2 |
The present invention relates to a method for producing a neutron converter from boron carbide or a boron film on a neutron transparent metal substrate. The neutron transparent metal substrate is polished in a first step by fine grinding...
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JP6334704B2 |
An in-core nuclear detector for detecting the neutron population surrounding the detector. The detector is an ion chamber having a cylindrical outer electrode that is insulated from a central electrode and capped to contain an Argon gas....
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JP6334264B2 |
According to one embodiment, a neutron flux level computing component has: an analog signal processing system that amplifies an AC component of a detector output signal from a neutron detector and performs filtering for removal of a high...
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JP6323531B2 |
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JP6320761B2 |
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