Abstract: The present application discloses a virtual machine migration method and apparatus. A specific implementation of the method includes: receiving a migration request for migrating a virtual machine, wherein to-be-migrated data of the virtual machine comprises local data locally stored and shared data accessible by the virtual machine at a plurality of locations; determining migration operations respectively corresponding to the local data and the shared data in response to the migration request; and executing the migration operations corresponding to the local data and the shared data, to complete migration of the virtual machine. This implementation achieves the migration of a virtual machine with a hybrid storage mode, that is, a storage mode in which the data to be migrated includes both local data and shared data.

Abstract: A loudspeaker includes a first electro-acoustic driver that creates sound waves when operated, and a housing. A first baffle is coupled to the housing and the first electro-acoustic driver. A first speaker grille covers the first electro-acoustic driver. A first gasket is disposed between the first baffle and the first speaker grille. The first gasket comprises a first set of energy directors to reduce buzzing between the first gasket and the first baffle.

Abstract: The present disclosure provides a quick connect and disconnect cable junction box, including: a box body, insulators, copper busbars, connection wires, T-shaped cable terminals, linear adapters, and an insulation spacer. The insulators, the copper busbars, the connection wires, and the T-shaped cable terminals are positioned inside the box body. The linear adapter includes a conductive rod, an insulation layer, a quick engagement connector, and a housing. One end of each of three linear adapters is electrically connected to the T-shaped cable terminal inside the box body. The three linear adapters, three T-shaped cable terminals, three connection wires, and three copper busbars form a three-phase electrical path. During operation, the three copper busbars are correspondingly connected to three phase lines of an incoming cable of a ring main unit; and the three linear adapters are engaged with quick connectors of three bypass cable connectors via the quick engagement connectors thereof.

Abstract: A histotripsy therapy system configured for the treatment of brain tissue is provided, which may include any number of features. In one embodiment, the system includes an ultrasound therapy transducer, a drainage catheter, and a plurality of piezoelectric sensors disposed in the drainage catheter. The ultrasound therapy is configured to transmit ultrasound pulses into the brain to generate cavitation that liquefies a target tissue in the brain. The drainage catheter is configured to detect the ultrasound pulses. An aberration correction algorithm can be executed by the system based on the ultrasound pulses measured by the drainage catheter to automatically correct for an aberration effect caused by the ultrasound pulses passing through a skullcap of the patient.

Abstract: The present disclosure provides an amplitude limiting system of insulated aerial work platform, including an insulated aerial work platform having a telescopic arm, an insulated folding arm and retractable supporting legs, a luffing cylinder, a first pressure sensor, a balance valve, a selector valve, a flow meter, and a controller; the luffing cylinder is installed between the telescopic arm and the insulated folding arm and includes a hydraulic pressure chamber; the first pressure sensor is connected to the hydraulic pressure chamber of the luffing cylinder and is electrically connected to the controller; the balancing valve is arranged on the luffing cylinder; the selector valve is connected to the balance valve; the flow meter is connected in between the selector valve with the balance valve and is electrically connected to the controller.

Abstract: A medical imaging and therapy device is provided that may include any of a number of features. One feature of the device is that it can image a target tissue volume and apply ultrasound energy to the target tissue volume. In some embodiments, the medical imaging and therapy device is configured controllably apply ultrasound energy into the prostate by maintaining a cavitational bubble cloud generated by an ultrasound therapy system within an image of the prostate generated by an imaging system. The medical imaging and therapy device can be used in therapeutic applications such as Histotripsy, Lithotripsy, and HIFU, for example. Methods associated with use of the medical imaging and therapy device are also covered.

Abstract: Disclosed is, in general, a solid anhydrous composition for application onto a targeted substrate. More particularly, disclosed is a non-liquid anhydrous composition with a combination of waxes, comprising a) at least one wax with a melting point greater than or equal to 60° C.; b) at least one wax, different from a), of solid linear ester derived from C6-C30 fatty acid, c) at least one nonvolatile oil, and d) at least one pasty compound, wherein the weight ratio of a) and b) is from 1 to 4.

Abstract: A medical imaging and therapy device is provided that may include any of a number of features. One feature of the device is that it can deliver Lithotripsy therapy to a patient, so as to fractionate urinary stones. Another feature of the device is that it can deliver Histotripsy therapy to a patient, so as to erode urinary stones. In some embodiments, the medical imaging and therapy device is configured to target and track urinary stones in the patient during therapy. Methods associated with use of the medical imaging and therapy device are also covered.

Abstract: A Histotripsy therapy system is provided that can include any number of features. In some embodiments, the system includes a high voltage power supply, a pulse generator electrically coupled to at least one signal switching amplifier, at least one matching network electrically coupled to the signal switching amplifier(s), and an ultrasound transducer having at least one transducer element. The Histotripsy therapy system can further include an ultrasound Doppler imaging system. The Doppler imaging system and the Histotripsy therapy system can be synchronized to enable color Doppler acquisition of the fractionation of tissue during Histotripsy therapy. Methods of use are also described.

Abstract: The present disclosure provides a quick connect and disconnect cable junction box, including: a box body, insulators, copper busbars, connection wires, T-shaped cable terminals, linear adapters, and an insulation spacer. The insulators, the copper busbars, the connection wires, and the T-shaped cable terminals are positioned inside the box body. The linear adapter includes a conductive rod, an insulation layer, a quick engagement connector, and a housing. One end of each of three linear adapters is electrically connected to the T-shaped cable terminal inside the box body. The three linear adapters, three T-shaped cable terminals, three connection wires, and three copper busbars form a three-phase electrical path. During operation, the three copper busbars are correspondingly connected to three phase lines of an incoming cable of a ring main unit; and the three linear adapters are engaged with quick connectors of three bypass cable connectors via the quick engagement connectors thereof.

Abstract: A method includes the steps of receiving a wavefield generated by reflections in a subsurface region and recorded by a plurality of seismic receivers and compensating the recorded wavefield for amplitude attenuation. The method further includes modelling a propagation of a source wavefield forward in time, from an initial time-state to a final time-state through an earth model that is representative of the subsurface region, wherein the modelling includes phase and amplitude effects of attenuation and modelling a propagation of the compensated recorded wavefield backward in time from a final time-state to an earlier time-state through the earth model, wherein the subsurface region has an absorption characteristic that dampens the recorded wavefield wherein the modelling includes phase and amplitude effects of attenuation.

Abstract: An ultrasound therapy system is provided that can include any number of features. In some embodiments, the custom transducer housings can be manufactured using a rapid-prototyping method to arrange a plurality of single-element, substantially flat transducers to share a common focal point. The rapid-prototyping method can include, for example, fused-deposition modeling, 3D printing, and stereolithography. In some embodiments, the therapy system can include a plurality of transducer modules insertable into the openings of the transducer housing. Methods of manufacture are also described, including designing a transducer housing shell to a desired geometry and a plurality of acoustic focusing lenses integral to the transducer housing shell in a 3D computer aided design software, and constructing the transducer housing shell and the plurality of acoustic focusing lenses integral to the transducer housing shell using a rapid-prototyping method.

Abstract: An asynchronous instruction execution apparatus and method are provided. The asynchronous instruction execution apparatus includes a vector execution unit control VXUC module and n vector execution unit data VXUD modules, where n is a positive integer. The VXUC module is configured to perform instruction decoding and token management. The n VXUD modules are cascaded, separately connected to the VXUC module, and configured to invoke an external calculation resource to perform data calculation. A bit width of data processed by the asynchronous instruction execution apparatus is M, a bit width of each VXUD module is N, and n=M/N. The asynchronous instruction execution apparatus is divided into two parts: the VXUC and the VXUD.

Abstract: Disclosed are a test apparatus and a testable asynchronous circuit. The test apparatus includes: a first input end, a second input end, a third input end, a fourth input end, a fifth input end, a first selector, a second selector, a D flip-flop, and a first output end. The first input end is configured to input a data signal or a test result of a previous circuit under test; the second input end is configured to input a test excitation signal or a test result that is output by a previous test apparatus; the third input end is configured to input a clock signal; the fourth input end is configured to input a selection signal; and the fifth input end is configured to input a selection signal.

Abstract: Therapy methods using pulsed cavitational ultrasound therapy can include the subprocesses of initiation, maintenance, therapy, and feedback of the histotripsy process, which involves the creation and maintenance of ensembles of microbubbles and the use of feedback in order to optimize the process based on observed spatial-temporal bubble cloud dynamics. The methods provide for the subdivision or erosion of tissue, liquification of tissue, and/or the enhanced delivery of therapeutic agents. Various feedback mechanisms allow variation of ultrasound parameters and provide control over the pulsed cavitational process, permitting the process to be tuned for a number of applications. Such applications can include specific tissue erosion, bulk tissue homogenization, and delivery of therapeutic agents across barriers.

Abstract: A method and device for pulling a virtual machine mirror file includes: obtaining a mirror pulling instruction comprising a timestamp of a mirror file; determining whether the mirror pulling instruction instructs only a base mirror file; if yes, obtaining locally the base mirror file previously dispatched to physical machines; and if not, obtaining locally the base mirror file previously dispatched to physical machines, and obtaining an incremental file matching the timestamp of the mirror file. The amount of data of the virtual machine mirror file to be pulled by the virtual machine mirror management module is reduced by using the base mirror file previously dispatched to physical machines, such that the pulling period is shortened, and the loads of a server where the virtual machine mirror management module is located and the loads of the mirror server are decreased. Accordingly, the creation of the virtual machine may be accelerated.

Abstract: An ultrasound therapy system is provided that can include any number of features. In some embodiments, the custom transducer housings can be manufactured using a rapid-prototyping method to arrange a plurality of single-element, substantially flat transducers to share a common focal point. The rapid-prototyping method can include, for example, fused-deposition modeling, 3D printing, and stereolithography. In some embodiments, the therapy system can include a plurality of transducer modules insertable into the openings of the transducer housing. Methods of manufacture are also described, including designing a transducer housing shell to a desired geometry and a plurality of acoustic focusing lenses integral to the transducer housing shell in a 3D computer aided design software, and constructing the transducer housing shell and the plurality of acoustic focusing lenses integral to the transducer housing shell using a rapid-prototyping method.

Abstract: The present invention provides an intelligent calibration system for backup-power automatic switching devices, including a power supply module, a control module for logic controls, a voltage output module and a current output module for outputting simulated voltage and current, a signal feedback module for sampling outputted voltage and current signals, a simulated circuit-breaker group, an auxiliary relay, a USB interface for communication, a keyboard for information input, a display module for information interaction and real-time panel presentation, an interface module to facilitate plug-in wires, an indicator light for indicating operation status and a computer for controlling the testing globally. The present invention facilitates easy and fast wiring, and conveniently displays operation interface and related information. The operation is intuitive and simple, overall test efficiency is improved.