Abstract: The present application relates to the technical field of robots, and discloses a robot control method based on a physical engine. The method includes: obtaining the current first resultant force to which a robot is subjected and the current second resultant force to which a virtual object in a virtual environment constructed by a physical engine is subjected; determining the current motion information corresponding to the current first resultant force and the current second resultant force according to the corresponding relationship between the force and the motion information; wherein the current second resultant force is determined by the physical engine according to the previous motion information corresponding to the previous first resultant force of the robot and the previous second resultant force of the virtual object, and the current motion information enables the current first resultant force and the current second resultant force to tend to be synchronized.

Abstract: A smartwatch includes a watch body, an airbag, and a sensor. The watch body is electrically coupled to the sensor. The sensor is disposed on an inner wall of the airbag. When the smartwatch is worn on a wrist of the user, the airbag and the sensor cover the radial artery of the wrist. The sensor is configured to measure the plurality of pulse waves of the radial artery when the airbag is under different pressure strength. The watch body is configured to determine the blood pressure of the user based on the plurality of pulse waves.

Abstract: A method for transferring virtual machines across hypervisors is described. According to the method, a data management system may interface with a first hypervisor platform and a second hypervisor platform. The data management system may obtain a snapshot of a first virtual machine executing on the first hypervisor platform. The snapshot may include data and metadata associated with the first virtual machine in a first format that is supported by the first hypervisor platform. The data management system may extract the data and the metadata from the snapshot of the first virtual machine and convert the data and the metadata from the first format to a second format that is supported by the second hypervisor platform. The data management system may transfer the data and the metadata in the second format to a second virtual machine executing on the second hypervisor platform.

Abstract: A hydrogenation catalyst contains a hydrogenation catalyst carrier and an active hydrogenation component. The active hydrogenation component includes a Group VIB metal sulfide and a Group VIII metal compound, and the molar proportion of a substance of the Group VIII metal compound that interacts with the Group VIB metal sulfide to the total amount of the Group VIII metal compound is 60-100%. The hydrogenation catalyst has a higher active metal sulfurizing degree and a higher number of type II active centers, and can be applied to the hydrogenation treatment process of oil products such as distillate oils and residual oils.

Abstract: An in-place data recovery method and system include receiving a user request to restore a virtual machine to a version corresponding to a first point in time, identifying a first snapshot of the virtual machine based on the user request, generating a second snapshot of the virtual machine, identifying a second data block in the second snapshot that includes modified data derived from data content of a first data block in the first snapshot, generating reverse incremental backup data including the first data block, and restoring the virtual machine in-place based on the reverse incremental backup data.

Abstract: A data backup and recovery method and system using allocated data blocks include identifying a first snapshot associated with a virtual machine; accessing changed block tracking data associated with data changes occurred in the virtual machine, the data changes corresponding to a set of changed data blocks; accessing block allocation status data associated with the set of changed data blocks; identifying one or more allocated data blocks from the set of changed data blocks that are associated with allocated status based on the block allocation status data; and storing the one or more allocated data blocks to a storage device.

Abstract: A method for transferring virtual machines across hypervisors is described. According to the method, a data management system may interface with a first hypervisor platform and a second hypervisor platform. The data management system may obtain a snapshot of a first virtual machine executing on the first hypervisor platform. The snapshot may include data and metadata associated with the first virtual machine in a first format that is supported by the first hypervisor platform. The data management system may extract the data and the metadata from the snapshot of the first virtual machine and convert the data and the metadata from the first format to a second format that is supported by the second hypervisor platform. The data management system may transfer the data and the metadata in the second format to a second virtual machine executing on the second hypervisor platform.

Abstract: The present invention provides a negative reactance synthesizer comprising: a DC power source; a first converter configured for shaping an input current under an AC input voltage that has a given peak value and converting a variable DC voltage to a fixed DC voltage; a second converter configured for converting the fixed DC voltage to a stack-up DC voltage being greater than the peak value of the AC input voltage and stacked on the AC input voltage to form the variable DC voltage; a first control circuitry configured to generate a first gate driver signal and a first complementary gate drive signal for controlling the first converter; and a second control circuitry configured to generate a second gate driver signal and a second complementary gate drive signal for controlling the second converter. The present invention provides a simple and low-cost solution to emulate a standalone negative reactance.

Abstract: Example embodiments relate generally to data resynchronization methods and systems in continuous data protection (CDP) and more specifically to an input and output (I/O) filtering framework and log management system to seek a near-zero recovery point objective (RPO).

Abstract: Various embodiments of a method and apparatus for determining parametric timing yield and bottlenecks are disclosed which take into account correlation between electrical circuit paths through common timing arcs of an integrated circuit chip under design. Monte Carlo samples of timing arc delays are generated and used in computing timing yield and identify yield bottlenecks.

Abstract: Disclosed are a channel device for surgery and a trigger structure. It aims at improving the problem that the operational efficiency of existing channel devices for surgery is not high. The channel device for surgery includes: a binding cord configured to be wound around a metal net; and a binding wire configured to pass through the binding cord and tighten up the binding cord, so as to compress the metal net, or configured to be pulled away from the binding cord, so as to loosen the binding cord and the metal net. In the trigger structure, different first locking portions are configured to cooperate with a first engaging portion, so as to drive the trolley to slide intermittently relative to the handle, such that a second engaging portion cooperates with different second locking portions, hereby locking the sliding trolley in different positions on the handle.

Abstract: An optical device comprising an optical hydrogel with select regions that have been irradiated with laser light having a pulse energy from 0.01 nJ to 50 nJ and a wavelength from 600 nm to 900 nm. The irradiated regions are characterized by a positive change in refractive index of from 0.01 to 0.06, and exhibit little or no scattering loss. The optical hydrogel is prepared with a hydrophilic monomer.

Abstract: A storage cluster may dynamically select a data transport mode for supporting a backup or export job. The storage cluster may receive a trigger indication to create, a backup of data of a source virtual machine. The storage cluster may select a data transport mode to use for reading the data from the source virtual machine to create the backup at the storage cluster. The selection may be from a set of data transport modes that includes a proxy virtual machine mode and a direct-to-host mode. The storage cluster may transmit, to a host for the source virtual machine, a request to activate the selected data transport mode, and receive the data from the source virtual machine via the selected data transport mode. The storage cluster may use the data to create the backup.

Abstract: A data backup and recovery method and system using allocated data blocks include identifying a first snapshot associated with a virtual machine; accessing changed block tracking data associated with data changes occurred in the virtual machine, the data changes corresponding to a set of changed data blocks; accessing block allocation status data associated with the set of changed data blocks; identifying one or more allocated data blocks from the set of changed data blocks that are associated with allocated status based on the block allocation status data; and storing the one or more allocated data blocks to a storage device.

Abstract: A first communication apparatus obtains a first ciphertext data stream, and sends the first ciphertext data stream. The first ciphertext data stream includes a first alignment marker (AM) and an encrypted first data segment. At least one of some bits in a first AM lock information field in the first AM, some bits in a first lane identification information field in the first AM, or some or all bits in a first check information field in the first AM carry encryption parameter information of the first data segment.

Abstract: Example embodiments relate generally to data resynchronization methods and systems in continuous data protection (CDP) and more specifically to an input and output (I/O) filtering framework and log management system to seek a near-zero recovery point objective (RPO).

Abstract: A storage cluster may dynamically select a data transport mode for supporting a backup or export job. The storage cluster may receive a trigger indication to create, a backup of data of a source virtual machine. The storage cluster may select a data transport mode to use for reading the data from the source virtual machine to create the backup at the storage cluster. The selection may be from a set of data transport modes that includes a proxy virtual machine mode and a direct-to-host mode. The storage cluster may transmit, to a host for the source virtual machine, a request to activate the selected data transport mode, and receive the data from the source virtual machine via the selected data transport mode. The storage cluster may use the data to create the backup.

Abstract: A method of processing data determined from an image-charge/current signal representative of ions of a given charge state (Q) undergoing oscillatory motion of a respective oscillation frequency (f) within an ion analyser apparatus. A data set comprises a measured signal frequency (f0) common to a plurality of a measured image-charge/current signals and a plurality of estimated ion charge values corresponding to respective amplitudes of each one of the plurality of measured image-charge/current signals. An integer charge value ([Q]) is generated corresponding to a said estimated ion charge value rounded to the nearest integer value. Using the integer charge value ([Qi]) a plurality of different candidate image-charge/current signal frequency values (fCandi) are calculating according to said selected measured signal frequency (f0) and according to a corresponding one of one or more different candidate charge states of ion (e.g., protonation) and/or of ion isotope or isotopologue.

Abstract: The present disclosure provides a direct current (DC) transformer error detection apparatus for a pulsating harmonic signal, including a DC and pulsating harmonic current output module and an external detected input module, where the DC and pulsating harmonic current output module outputs a DC and a DC superimposed pulsating harmonic current to an internal sampling circuit and a self-calibrated standard resistor array; and the internal sampling circuit converts the input DC and the input DC superimposed pulsating harmonic current into a voltage signal, and sends the voltage signal to an analog-to-digital (AD) sampling and measurement component through a front-end conditioning circuit and a detected input channel. The DC transformer error detection apparatus can complete self-calibration for measurement of the DC and the pulsating harmonic signal on a test site.

Abstract: A honokiol liposome transdermal gel includes by weight percentage: 1-40% honokiol liposome and 10-85% gel matrix. The honokiol liposome comprises phospholipid, honokiol, cholesterol, and polyethylene glycol or pegylated phospholipid, in a weight ratio of 2-10:1:0.3-0.6:0.1-0.3; and the gel matrix is poloxamer. The invention achieves an encapsulation efficiency of honokiol greater than 90%, the honokiol liposome transdermal gel has high transdermal efficiency, rapid and sustained absorption, and high stability, and shows good therapeutic effects for skin diseases.