Abstract: Methods, devices and apparatus for reconstructing an image are provided. In an aspect, a method includes: obtaining coincidence events detected by crystal pairs in a detector of a PET device by scanning a phantom, reconstructing a phantom image according to the coincidence events, and obtaining a time calibration amount of each of crystals in the detector by determining a crystal based source position deviation and a crystal based source time difference of a crystal pair including the crystal according to the phantom image, determining a time difference of the crystal pair according to respective time differences for the crystal pair detecting a plurality of coincidence events, pre-calibrating the time difference of the crystal pair with the crystal based source time difference, and obtaining the time calibration amount of the crystal according to the pre-calibrated time difference of the crystal pair.

Abstract: Methods, devices and systems for correcting a count loss in a PET system are provided. In one aspect, a method includes: constructing a virtual system including a plurality of virtual crystals, determining, for each of virtual Lines of Response (LORs) in the virtual system, a plurality of real LORs corresponding to the virtual LOR in the PET system, each of the real LORs corresponding to a scanning state of the PET system with a continuous incremental scanning mode, determining a count loss correction factor of the corresponding real LOR in each of the scanning states, determining a count loss correction factor of the virtual LOR according to the determined count loss correction factors of the plurality of real LORs corresponding to the virtual LOR, and performing count loss correction for the virtual LOR according to the determined count loss correction factor of the virtual LOR.

Abstract: Methods, systems, and machine-readable storage mediums for reconstructing a PET image are provided. In one aspect, a method includes: determining a plurality of LORs associated with multiple-coincidence data in coincidence data detected by a PET device through scanning, obtaining a respective line integral value along each of the LORs according to a time difference between two single events corresponding to the LOR, allocating the multiple-coincidence data to the LORs according to the respective line integral values of the LORs to obtain respective multiple allocation data on the LORs, correcting respective double-coincidence data in the coincidence data corresponding to each of the LORs based on the respective multiple allocation data on the LOR to obtain data of the LOR, and reconstructing an image according to the data of each of the LORs.

Abstract: Methods for correcting a count loss and PET systems are provided according to examples of the present disclosure. In one aspect, the PET system obtain scanning data of a subject to be detected for which random correction has been performed, obtain a first correction factor corresponding to the true coincidence count according to the single-photon count rates of the two Blocks corresponding to the true coincidence count, obtain a second correction factor corresponding to the true coincidence count according to the system single-photon count rate, and correct the true coincidence count according to the first correction factor and the second correction factor corresponding to the true coincidence count.

Abstract: A method and device for automatically processing static test data of a rail transit vehicle are provided. A target operation step is determined in accordance with a commissioning template. Information about a commissioning task step is sent to a terminal device, for prompting that the target operation step needs to be executed. After the information about a commissioning result corresponding to the target operation step is received, it is judged whether test data in the information is correct. If it is judged that the test data is correct, the information is sent to the terminal device, the judgement result is filled into the commissioning template, and a step of determining the target operation step is executed. If it is judged that the test data is incorrect, the information is sent to the terminal device, and the judgement result is filled into the commissioning template.

Abstract: The invention relates to a catalyst, comprising a catalytic element disposed on a substrate, wherein said substrate has formula Ce1-xMxO2, wherein x is between about 0 and about 0.3, optionally between about 0.01 and about 0.3, and wherein M, if present, is a metallic element other than Ce, when used for catalysing a methanation reaction. There is also described use of the catalyst for catalysing a methanation reaction and a method for methanation of a feedstock including carbon monoxide and hydrogen, said method comprising contacting the feedstock with the catalyst.

Abstract: A toilet tank structure is formed by a primary-secondary water tank set, a tap water inlet control valve, a secondary water tank inlet control valve and a flush control module, and the tap water inlet control valve, the secondary water tank inlet control valve and the flush control module are provided for controlling the flushing and water supply to minimize the waste of water resources effectively, so as to achieve the effects of saving water and improving functionality.

Abstract: A toilet tank structure is formed by a primary-secondary water tank set, a tap water inlet control valve, a secondary water tank inlet control valve and a flush control module, and the tap water inlet control valve, the secondary water tank inlet control valve and the flush control module are provided for controlling the flushing and water supply to minimize the waste of water resources effectively, so as to achieve the effects of saving water and improving functionality.

Abstract: A method and device for automatically processing static test data of a rail transit vehicle are provided. A target operation step is determined in accordance with a commissioning template. Information about a commissioning task step is sent to a terminal device, for prompting that the target operation step needs to be executed. After the information about a commissioning result corresponding to the target operation step is received, it is judged whether test data in the information is correct. If it is judged that the test data is correct, the information is sent to the terminal device, the judgement result is filled into the commissioning template, and a step of determining the target operation step is executed.

Abstract: A method and a system for interacting rail transit vehicle commissioning task information are provided. The system includes a server and a commissioning terminal, wherein the server generates a commissioning template and sends to the commissioning terminal the commissioning process promoting information. The commissioning terminal obtains the commission template, and may obtain commissioning result data corresponding to a current operation step promoted in a current commissioning process promoting information and send the commissioning result data to the server. The server judges the commissioning result data, generates and sends the judgment result to the commissioning terminal. The commissioning terminal fills the judgment result into the interacting region corresponding to the current operation step.

Abstract: A control method for light color includes: turning on an external switch of a lighting device to send a color control signal to a light emitting unit that further emits a white light; turning off the external switch for a first interval and again turning it on; determining the first interval is shorter than a first predetermined period and sending multiple first color control signals to the light emitting unit to cause the light emitting unit to emit multiple different light colors Cn; when the light emitting unit emits a light color Ci, turning off the external switch for a second interval and again turning it on; determining the second interval is shorter than a second period, and sending a second color control signal to the light emitting unit to cause the light emitting unit to emit a color light corresponding to the light color Ci.

Abstract: The invention relates to a catalyst, comprising a catalytic element disposed on a substrate, wherein said substrate has formula Ce1-xMxO2, wherein x is between about 0 and about 0.3, optionally between about 0.01 and about 0.3, and wherein M, if present, is a metallic element other than Ce, when used for catalysing a methanation reaction. There is also described use of the catalyst for catalysing a methanation reaction and a method for methanation of a feedstock including carbon monoxide and hydrogen, said method comprising contacting the feedstock with the catalyst.

Abstract: A control method for light color includes: turning on an external switch of a lighting device to send a color control signal to a light emitting unit that further emits a white light; turning off the external switch for a first interval and again turning it on; determining the first interval is shorter than a first predetermined period and sending multiple first color control signals to the light emitting unit to cause the light emitting unit to emit multiple different light colors Cn; when the light emitting unit emits a light color Ci, turning off the external switch for a second interval and again turning it on; determining the second interval is shorter than a second period, and sending a second color control signal to the light emitting unit to cause the light emitting unit to emit a color light corresponding to the light color Ci.

Abstract: A bike extendable crank includes an extendable crank unit. The extendable crank unit includes an immovable crank and a movable crank. The immovable crank has a slide trough therein, a limit groove at one side thereof and a main axle hole above the limit groove. One end of the movable crank has a first pivot hole for connection of a pedal and another end of the movable crank has a second pivot hole for connection a guide axle. The movable crank is slidably received in the slide trough of the immovable crank. The guide axle inserting through the second pivot hole of the movable crank slides in the limit groove of the immovable crank.

Abstract: A temperature control method and an electronic device thereof are disclosed. A temperature control method applicable to an electronic device comprises the following steps. A power-consumption vs. temperature lookup table is provided, which records a plurality of thermal zones and a plurality of power consumption budgets corresponding thereto. An initial power consumption budget is obtained from the power-consumption vs. temperature lookup table based on an initial thermal zone value. The power consumption modes of the plural processing units are dynamically regulated according to each detected duty basis of the processing units, and the initial power consumption budget. The power consumption budget is dynamically changed according to a detected temperature of the electronic device and the power-consumption vs. temperature lookup table.

Abstract: Rice flour compositions having a Peak Viscosity of from about 4 RVU to about 130 RVU. In one embodiment, the rice flour compositions have a Final Viscosity of from about 4 RVU to about 220 RVU. Preferably, the compositions have a WAI of from about 2.6 to about 9. In a preferred embodiment, the Peak Viscosity of the rice flour compositions is ?about 55(WAI)-145. The compositions can be used to produce food products such as fabricated sheeted snacks, extruded products, sauces, coatings for fried foods, dog foods, dog biscuits, baby foods and breads. The preferred doughs formed from the inventive rice flour composition are sheetable and elastic, and fabricated snacks made from the doughs have the desired taste and texture characteristics. A dry blend for a preferred fabricated snack comprises from about 2% to about 100%, preferably from about 3% to about 33%, most preferably from about 4% to about 17%, of the rice flour composition.

Abstract: A chemical mechanical polishing method is provided. The chemical mechanical polishing method includes steps of providing a plurality of semiconductor elements to be polished, obtaining a respective dimension of the each semiconductor element to be polished, and polishing the each semiconductor element according to the respective dimension thereof.

Abstract: A power management device and method thereof for managing power consumption of an electronic device are disclosed. The electronic device has at least one adjustable unit and each adjustable unit has a plurality of power statuses. The method includes the following steps: generating a collection table having a plurality of power status collections according to the plurality of power statuses; selecting a power status collection from the collection table; measuring the power consumption corresponding to the selected power status collection; and providing the measured power consumption to the user.

Abstract: A display apparatus and a method for manufacturing a parallax barrier touch board are disclosed. The display apparatus comprises a display panel and the parallax barrier touch board. The method for manufacturing the parallax barrier touch board comprises the following steps: forming a barrier layer on a substrate, wherein the barrier layer includes a plurality of parallax barriers; and forming a touch sensing circuit layer on the parallax barrier.

Abstract: A temperature control method and an electronic device thereof are disclosed. A temperature control method applicable to an electronic device comprises the following steps. A power-consumption vs. temperature lookup table is provided, which records a plurality of thermal zones and a plurality of power consumption budgets corresponding thereto. An initial power consumption budget is obtained from the power-consumption vs. temperature lookup table based on an initial thermal zone value. The power consumption modes of the plural processing units are dynamically regulated according to each detected duty basis of the processing units, and the initial power consumption budget. The power consumption budget is dynamically changed according to a detected temperature of the electronic device and the power-consumption vs. temperature lookup table.