Abstract: The present disclosure relates to the technical field of alien invasive species control, in particular to use of 4-nitro-3-(trifluoromethyl)phenol in killing or controlling Pomacea canaliculata, a method for killing or controlling the Pomacea canaliculata, and a molluscicide. The present disclosure provides use of 4-nitro-3-(trifluoromethyl)phenol in killing or controlling Pomacea canaliculata. The 4-nitro-3-(trifluoromethyl)phenol can effectively control the Pomacea canaliculata with a low cost. In the present disclosure, the results of examples show that: the 4-nitro-3-(trifluoromethyl)phenol has an obvious killing effect on the Pomacea canaliculata, showing a control effect comparable to that of niclosamide, a commonly-used molluscicide for killing the Pomacea canaliculata.

Abstract: An image guided radiotherapy apparatus and a control method are provided. According to a specific embodiment, the radiotherapy apparatus includes: a treatment unit, which includes a treatment head for generating radiation beam for radiotherapy; an imaging unit for imaging a target area of a patient, wherein the imaging unit is integrated mounted with the treatment head. The radiotherapy apparatus of the present invention can be applicable to both extracorporeal and intraoperative radiotherapy, and has a high radiotherapy accuracy.

Abstract: A cabin type beam irradiation apparatus and a method for performing beam irradiation method are provided. According to an embodiment, the beam irradiation apparatus comprises: a gantry having a hollow frame structure, the hollow portion of which being formed as a treatment cabin; a first guide rail, which is fixedly arranged on the frame; a treatment head, which is slidably arranged on the first guide rail; and an entry door, which may be openably and closably arranged on the gantry. The beam irradiation apparatus can perform radiotherapy on patients in a standing or sitting posture. Imaging guidance is additionally used to ensure the accuracy of the treatment position, and thus highly focused radiation is achieved by (non)coplanar radiotherapy. Further, the apparatus may have self-shielding function, and can reduce the difficulty and cost for construction of a machine room.

Abstract: A method for planning a scan path for intraoperative radiation therapy may comprise acquiring a plurality of images of a region of interest through an auxiliary scanning component, establishing a 3D model of the region of interest based on the plurality of images of the region of interest, determining a radiation therapy volume based on the 3D model of the region of interest, and planning a scan path for a radiation therapy component to scan the radiation therapy volume.

Abstract: A multi-leaf collimator comprises a plurality of pairs of leaves, leaves of each pair being disposed oppositely from each other. Each pair of leaves comprises a first leaf and a second leaf which are configured to move oppositely relative to each other. In a first plane perpendicular to an isocenter plane of the radiotherapy apparatus and parallel to a direction of leaf movement, the first leaf and the second leaf are capable of moving to a closed position, where end surfaces of the first leaf and the second leaf are embedded with each other at the closed position.

Abstract: The present disclosure generally relates to an applicator for radiotherapy and a method for determining a thickness of a scattering foil and modulator therein. According to one embodiment, an applicator for radiotherapy may comprise a housing having a hollow structure with an opening, a scattering foil disposed at an opening of the hollow structure and configured to receive a first radiation and convert a portion of the first radiation into a second radiation while scattering the first radiation, and a modulator disposed inside the hollow structure and configured to modulate an intensity of mixed radiation including the first radiation and the second radiation.

Abstract: A cabin type beam irradiation apparatus and a method for performing beam irradiation method are provided. According to an embodiment, the beam irradiation apparatus comprises: a gantry having a hollow frame structure, the hollow portion of which being formed as a treatment cabin; a first guide rail, which is fixedly arranged on the frame; a treatment head, which is slidably arranged on the first guide rail; and an entry door, which may be openably and closably arranged on the gantry. The beam irradiation apparatus can perform radiotherapy on patients in a standing or sitting posture. Imaging guidance is additionally used to ensure the accuracy of the treatment position, and thus highly focused radiation is achieved by (non)coplanar radiotherapy. Further, the apparatus may have self-shielding function, and can reduce the difficulty and cost for construction of a machine room.

Abstract: A multi-robotic arm apparatus for intraoperative radiotherapy is provided. The apparatus may comprise a chassis, a main robotic arm mounted on the chassis for moving a radiation head installed at an end thereof, a first robotic arm mounted on the chassis having a first robotic arm end gripper for gripping an imaging device or a treatment applicator; and a second robotic arm mounted on the chassis having a second robotic arm end gripper for gripping a simulation applicator.

Abstract: Disclosed are a method and a device for managing domain name configuration deployment. The method includes: acquiring domain name configuration update information delivered from an upstream system, the domain name configuration update information including a first domain name to be updated; modifying a domain name state of the first domain name according to an update operation of the first domain name, and generating a domain name configuration update task according to the domain name configuration update information and an agreed rule, and delivering the domain name configuration update task to an edge client, to enable the edge client to execute the domain name configuration update task and perform domain name configuration deployment (303).

Abstract: A multi-robotic arm apparatus for intraoperative radiotherapy is provided. The apparatus may comprise a chassis, a main robotic arm mounted on the chassis for moving a radiation head installed at an end thereof, a first robotic arm mounted on the chassis having a first robotic arm end gripper for gripping an imaging device or a treatment applicator; and a second robotic arm mounted on the chassis having a second robotic arm end gripper for gripping a simulation applicator.

Abstract: The present invention discloses a GPB algorithm based operation and maintenance multi-modal decision system prototype, comprising the following steps: respectively sampling a sensor model and a camera model according to k-1 moment; respectively sampling a sensor model and a camera model according to k moment; conducting respective state estimations by using a Kalman algorithm and estimating an error covariance matrix; then computing synthesis of the state estimations and a corresponding covariance matrix; finally, integrally outputting the state estimations and covariance; and building a GPB algorithm based operation and maintenance multi-modal decision system prototype, so as to realize automatic early warning and prevention of accidents.

Abstract: The present disclosure generally relates to a cystic applicator for radiotherapy and a method for determining a thickness of a scattering foil and modulator therein. According to one embodiment, a cystic applicator for radiotherapy may comprise a housing having a hollow cystic structure with an opening, a scattering foil disposed at an opening of the hollow cystic structure and configured to receive first radiation and convert a portion of the first radiation into second radiation while scattering the first radiation, and a modulator disposed inside the hollow cystic structure and configured to modulate an intensity of mixed radiation including the first radiation and the second radiation.

Abstract: An intraoperative radiation therapy system, a control device for the intraoperative radiation therapy system, and a method for planning a scan path for intraoperative radiation therapy are provided. The method for planning a scan path for intraoperative radiation therapy may comprise acquiring a plurality of images of a region of interest through an auxiliary scanning component, establishing a 3D model of the region of interest based on the plurality of images of the region of interest, determining a radiation therapy volume based on the 3D model of the region of interest, and planning a scan path for a radiation therapy component to scan the radiation therapy volume.