Abstract: A method for reconstructing a dose distribution for a region of interest includes determining a predicted source intensity distribution of a radiation source; determining a calculated transmission dose distribution based on the predicted source intensity distribution; determining a target source intensity distribution based on the calculated transmission dose distribution and the predicted source intensity distribution; and reconstructing the dose distribution of the region of interest based on the target source intensity distribution.

Abstract: The invention relates to a field of polymer preparation and discloses a method for promoting phase-separation of polymer solution. The phase-separation method of polymer solution of the invention comprises: at least a portion of the polymer solution is subjected to a heat treatment under flowing so that the polymer solution is divided into a clear liquid phase and a concentrated liquid phase, wherein the Reynolds number of the polymer solution flowing is 0.2-30. By performing the heat treatment under specific Reynolds number conditions, the invention permits to reduce the temperature of phase-separation of solution, reduce the time of phase-separation of solution, and significantly reduce the material consumption and energy consumption of the entire process, compared with the existing technology that only performs phase-separation through heat treatment.

Abstract: The present disclosure relates to bootstrapping an encrypted single node VSAN cluster. One method includes receiving a request to create an encrypted VSAN cluster from a single host in a software-defined datacenter, deploying a virtual server on a VSAN datastore of the software-defined datacenter, registering a native key provider (NKP) in the virtual server, creating an empty VSAN cluster encrypted by the NKP, adding the single host to the encrypted empty cluster to create a one-host encrypted cluster, registering a KMIP KMS in the virtual server, switching encryption of the one-host encrypted cluster from the NKP to the KMIP KMS, and adding another host to the one-host encrypted cluster to create the encrypted cluster.

Abstract: Seating arrangements for a vehicle cabin of a passenger transport system. The seating arrangement includes a first seat group and a second seat group. The first seat group has a first seat and a second seat bordering a cabin wall of the vehicle cabin. The first seat includes a foot support structure that extends on a lateral side of the second seat between the second seat and the cabin wall. The second seat group has a third seat bordering an aisle of the vehicle cabin. The third seat is laterally adjacent to and adjoins the second seat along a longitudinal direction of the vehicle cabin.

Abstract: Systems and methods for a pre-treatment quality assurance (QA) of a radiotherapy device may be provided. The method may include determining a measured dose image through an electronic portal dose imaging device (EPID). The method may include determining an energy fluence distribution map related to radiation beams predicted by a first portal dose prediction model. The method may include determining a predicted dose image based on the energy fluence distribution map and a simulated energy response curve related to the EPID. The method may further include determining differences between the measured and predicted dose images by comparing the dose distributions of the measured and predicted dose images.

Abstract: Disclosed are a multi-directional broadband tuned mass damper and a design method thereof, since a first damping structure and a second damping structure are set on a rigid vibration damping frame, and the first damping structure is provided with a control main frequency, the second damping structure is provided with two control main frequencies, the control main frequency of the second damping structure is greater than that of the first damping structure; under the synergistic effect, the second damping structure mainly effectively broadens the control range for high frequencies, and a plurality of first damping structures control the control main frequency of a low frequency one-to-one, thereby controlling the full frequency, and the extension direction of the first damping structure is the same as that of the second damping structure on the rigid vibration damping frame, ensuring isotropic mass and stiffness distribution characteristics thereof; and furthermore, when using different control frequency range

Abstract: Seating arrangements for a vehicle cabin of a passenger transport system, in particular, of an aircraft are disclosed. The seating arrangement includes a first seat as an aisle seat having a first foot support structure, a second seat as a non-aisle seat bordering a cabin wall, the second seat having a first foot support structure, and a third seat as a non-aisle seat bordering the cabin wall. The second foot support structure is arranged between the first foot support structure and the third seat.

Abstract: The invention belongs to the field of olefin polymerization and relates to a propylene-based copolymer, its preparation process and use, and a polypropylene composition thereof. The propylene-based copolymer can contain 60-95 wt % of propylene-derived structural units and 5-40 wt % of comonomer-derived structural units; the propylene-based copolymer has a comonomer dispersion degree D[PCP]/[C] in the range of 50%-70%, wherein the comonomer dispersion degree D[PCP]/[C]=[PCP]/[C]×100%. Upon blending the propylene-based copolymer of the present invention with a polypropylene, the copolymer has excellent compatibility with polypropylene, and can promote the crystallization of the polypropylene and can improve the mechanical properties of the resulting polypropylene material.

Abstract: Systems and methods for radiotherapy plan verification are provided. The systems may obtain target radiotherapy plans which need to be verified. Further, the systems may generate a radiotherapy plan temporary list based on the target radiotherapy plans and verify the target radiotherapy plans in batches based on the radiotherapy plan temporary list using at least one verification means of at least one radiotherapy device.

Abstract: The embodiments of the present disclosure provide a method for dose verification. The method may include obtaining a predicted radiation auxiliary image of a target object at a target radiation time point; determining a target dose strategy based on the predicted radiation auxiliary image; performing, based on the target dose strategy, treatment in a current radiation fraction on the target object.

Abstract: The present disclosure relates to bootstrapping an encrypted single node VSAN cluster. One method includes receiving a request to create an encrypted VSAN cluster from a single host in a software-defined datacenter, deploying a virtual server on a VSAN datastore of the software-defined datacenter, registering a native key provider (NKP) in the virtual server, creating an empty VSAN cluster encrypted by the NKP, adding the single host to the encrypted empty cluster to create a one-host encrypted cluster, registering a KMIP KMS in the virtual server, switching encryption of the one-host encrypted cluster from the NKP to the KMIP KMS, and adding another host to the one-host encrypted cluster to create the encrypted cluster.

Abstract: Improved seating arrangements for a vehicle cabin of a passenger transport system, in particular of an aircraft are disclosed. Examples herein provide improved seating arrangements providing a high density of seats and increased PAX numbers while ensuring privacy, comfort and a direct aisle access to each passenger. For example, the seating arrangements provided herein are applicable to narrow body aircrafts and wide body aircrafts, in particular in view of business class solutions.

Abstract: Improved seating arrangements for a vehicle cabin of a passenger transport system, in particular of an aircraft are disclosed. Examples herein provide improved seating arrangements providing a high density of seats and increased PAX numbers while ensuring privacy, comfort and a direct aisle access to each passenger. For example, the seating arrangements provided herein are applicable to narrow body aircrafts and wide body aircrafts, in particular in view of business class solutions.

Abstract: Technologies for specialty chemical development and testing include devices and methods for receiving a test description. The test description is indicative of test parameters for a test of a chemical formulation, which may be an oil field specialty chemical. The devices and methods may include searching a database of historical test results based on similarity to the test parameters to generate multiple candidate chemical formulations. The devices and methods may cluster the candidate chemical formulations with an unsupervised machine learning algorithm to select a representative chemical formulation for each cluster. The devices and methods may include training a predictor based on test results using a supervised machine learning algorithm. Multiple virtual formulations may be generated and performances of each virtual formulation may be predicted with the predictor. Other embodiments are described and claimed.

Abstract: Improved seating arrangements for a vehicle cabin of a passenger transport system, in particular of an aircraft are disclosed. Examples herein provide improved seating arrangements providing a high density of seats and increased PAX numbers while ensuring privacy, comfort and a direct aisle access to each passenger. For example, the seating arrangements provided herein are applicable to narrow body aircrafts and wide body aircrafts, in particular in view of business class solutions.

Abstract: A seating arrangement for a vehicle cabin includes a first group having a number of seats and a second group having a number of seats. Each group extends laterally adjacent to each other along a longitudinal direction of the vehicle cabin. The first group having twice as many seats as the second group with respect to the longitudinal direction of the vehicle cabin.

Abstract: A retrieval method includes obtaining first data corresponding to a retrieval object, wherein the first data indicates M feature vectors of the retrieval object, wherein each feature vector of the retrieval object corresponds to one modality of the retrieval object, and wherein M is an integer greater than 1, and obtaining a correlation between a plurality of groups of object information and the retrieval information to output at least one group of retrieved object information, wherein each group of object information corresponds to M feature vectors in an index, wherein the M feature vectors of each group of object information are indicated by one group of second data, and wherein each feature vector of the object information corresponds to one modality of the object information.

Abstract: A method for encryption in a distributed datastore is provided. The method generally includes receiving random data from a virtualization management platform as a wrapped data encryption key (DEK), retrieving a key encryption key (KEK) from a key management server (KMS), decrypting the wrapped DEK using the KEK to determine a blank DEK, where the blank DEK is common to a plurality of hosts of a host cluster accessing a distributed datastore; encrypting first data using the blank DEK, and storing the encrypted first data in one or more disks of the distributed datastore, the one or more disks belonging to the plurality of hosts.

Abstract: Disclosed is a biphenol metal complex. The structure thereof is as represented by formula I, wherein R1 and R1? are each independently selected from hydrogen and a substituted or unsubstituted C1-C20 hydrocarbyl; R3—R7, R3?—R7? are each independently selected from hydrogen and a substituted or unsubstituted C1-C20 hydrocarbyl, any two adjacent groups of R3—R7 are optionally linked to form a ring, and any two adjacent groups of R3?—R7? are also optionally linked to form a ring; M and M? are each independently selected from the Group 4 metals; each X is independently selected from the group consisting of a hydrocarbyl having 1 to 20 carbon atoms, hydride, amido, alkoxide, alkyl sulfide, alkyl phophide, halide, diene, amine, phosphine, ether, and combinations thereof; m and n are independently an integer of from 1 to 4; and L is a divalent linking group.

Abstract: Disclosed is a catalyst for olefin polymerization, comprising a main catalyst and a cocatalyst; the main catalyst is a bisphenol metal complex represented by formula I, and the cocatalyst comprises an organoaluminum compound; in formula I, R1, R1?, R2, R2? are the same or different, and are each independently selected from hydrogen and a substituted or unsubstituted C1-C20 hydrocarbyl; R3-R7, R3?-R7? are the same or different, and are each independently selected from hydrogen and a substituted or unsubstituted C1-C20 hydrocarbyl; R8 and R9 are the same or different, and are each independently selected from hydrogen or a substituted or unsubstituted C1-C20 hydrocarbyl; M and M? are the same or different, and are selected from Group IV metals; and X is halogen;