Abstract: A transient electromagnetic device with variable shape and turns includes squares, a transmitting coil carrying frame, a transmitting coil, a turns-variable device, a current generator and a working power supply. The transmitting coil carrying frame is arranged inside the transmitting coil; the transmitting coil carrying frame is configured as a carrier of the transmitting coil, and configured for adjusting a side length of the transmitting coil and a shape of the transmitting coil; the square is configured for clamping and connecting the transmitting coil and the transmitting coil carrying frame to fix the transmitting coil to the transmitting coil carrying frame. The current generator is configured for generating transient current; the turns-variable device is configured for changing the turns of the transmitting coil; and the transmitting coil is configured for transmitting the transient current to a target area to be measured.

Abstract: A computerized method for directing transmission of a data packet within a distributed cloud computing system is disclosed. The computerized method includes operations of receiving, by a receiving gateway instance deployed within the distributed cloud computing system, the data packet, when a session corresponding to the data packet is found via a session lookup, forwarding the data packet to a destination in accordance with the session lookup, and when the session is not found via the session lookup, creating a tentative forward session and forwarding the data packet to a peer gateway instance. In some instances, the data packet is a User Datagram Protocol (UDP) packet. In some instances, the data packet is received from either of a spoke gateway instance or a transit gateway instance, and wherein the spoke gateway instance or the transit gateway instance is deployed within the distributed cloud computing system.

Abstract: A data transmission method, apparatus, and device, and a computer storage medium are provided. The method includes: obtaining an application packet of a target application; transmitting the application packet to a first routing device by using a network data channel, and transmitting, by using the first routing device, the application packet to a proxy server; meanwhile, transmitting the same application packet to a second routing device by using a short-range wireless data channel different from the network data channel, and transmitting, by using the second routing device, the application packet to the proxy server. The proxy server performs, a deduplication mechanism on the application packet and transmit the application packet to an application server corresponding to the target application.

Abstract: The present invention provides a device for blocking plasma backflow in a process chamber to protect an air inlet structure, comprising an air inlet nozzle tightly connected to an air inlet flange. The inner cavity of the air inlet nozzle is provided with an air inlet guide body, wherein the air inlet guide body has an upper structure, a middle structure, and a lower structure, the upper, middle, and lower structures are an integrated structure, the upper, middle, and lower structures are all cylindrical, the cross-sectional diameter of the upper structure is smaller than that of the middle structure, a gas gathering area is arranged between the middle structure and the lower structure, and the middle structure and the lower structure are connected by the gas gathering area.

Abstract: The present specification discloses video matching. In a computer-implemented method, a plurality of feature vectors of a target video is obtained. A candidate video similar to the target video is retrieved from a video database based on the plurality of feature vectors of the target video. A time domain similarity matrix feature map is constructed between the target video and the candidate video based on the target video and the candidate video. Using the time domain similarity matrix feature map as an input into a deep learning detection model, a video segment matching the target video in the candidate video and a corresponding similarity is output.

Abstract: A computerized method for restricting communications between virtual private cloud networks comprises creating a plurality of security domains. Each of the plurality of security domains identifies gateways associated with one or more virtual private cloud networks. Also, the method features generating transit routing data stores in accordance with each of the plurality of security domains; determining whether a connection policy exists between at least a first security domain and a second security domain of the plurality of security domains; and precluding communications between gateways associated with the first security domain and gateways associated with the second security domain in response to determining that no connection policy exists between the first security domain and the second security domain.

Abstract: The present disclosure provides a method for sweat volume detection based on sweat print imaging, comprising: obtaining a raw data set, the raw data set including at least one sweat print image formed by dropping different volumes of sweat on a test paper under different environmental parameters; obtaining a color value extreme of the sweat print image and dividing the sweat print image into at least one region; calculating a sweat error based on a total sweat collection volume and a real sweat volume; obtaining a trained error prediction model; obtaining a to-be-tested sweat print image and current environmental parameters; inputting the current environmental parameters and a count of regions of the to-be tested sweat print image into the trained error prediction model to determine a sweat error of the to-be-tested sweat print image; calculating a sweat volume and a sweat rate based on the sweat error.

Abstract: In one embodiment, a computing platform features a controller, one or more transit virtual private cloud networks (VPCs), and a plurality of spoke VPCs. Communicatively coupled to the transit virtual VPCs, the spoke VPCs include (i) a first spoke VPC associated with a first security region and (ii) a second spoke VPC associated with a second security region. Herein, the first security region is configured to permit spoke gateways of the first spoke VPC to communicate with each other while precluding communications with spoke gateways associated with another security region absent a connectivity policy being a set of rules established by the administrator/user of the network concerning permitted connectivity between different security regions.

Abstract: A pig production method by using a detachable and washable wet curtain for intensive pig farming The detachable and washable wet curtain includes a wet curtain mounting frame (1), a spray tube (4), a plurality of rotatable reels (7) equivalent to sleeves, a reel (6) with a buckle, a wet curtain net (8), a reel (10) with a buckle, and a manual handle (9). The wet curtain is formed by a low-cost common material, namely a plastic net and the like, is convenient to mount, detach, and wash, and is not prone to making dust, scale, algae, mosquitos, and the like accumulate thereon, thus reducing the replacement cost and use cost. Therefore, a new cooling method based on the wet curtain is provided for pig farms in summer, and it is also suitable for other livestock farms in summer.

Abstract: The invention discloses a dry ice crushing mechanism, and relates to the technical field of a dry ice cleaning equipment. The dry ice crushing mechanism comprises a base, a filter screen mechanism, an ice crushing mechanism, a driving mechanism and a transmission mechanism, the filter screen mechanism is arranged in the base, the ice crushing mechanism is arranged in the filter screen mechanism, the driving mechanism is arranged on one side of the base, and the driving mechanism is connected with the filter screen mechanism through the transmission mechanism and is used for driving the ice crushing mechanism to rotate or swing in the filter screen mechanism. According to the dry ice crushing mechanism, ice is crushed in a rotating or swinging mode of the ice crushing mechanism, the dry ice particle refining efficiency can be obviously improved without changing the environment of an existing equipment.

Abstract: A railway vehicle control method includes: receiving information of a target railway vehicle in front of a current railway vehicle and a current speed of the current railway vehicle; controlling, based on the information of the target railway vehicle and the current speed, the current railway vehicle to operate, and determining an operation requirement for the target railway vehicle; and transmitting the operation requirement for the target railway vehicle to a central server.

Abstract: A pig production method by using a detachable and washable wet curtain for intensive pig farming. The detachable and washable wet curtain includes a wet curtain mounting frame (1), a spray tube (4), a plurality of rotatable reels (7) equivalent to sleeves, a reel (6) with a buckle, a wet curtain net (8), a reel (10) with a buckle, and a manual handle (9). The wet curtain is formed by a low-cost common material, namely a plastic net and the like, is convenient to mount, detach, and wash, and is not prone to making dust, scale, algae, mosquitos, and the like accumulate thereon, thus reducing the replacement cost and use cost. Therefore, a new cooling method based on the wet curtain is provided for pig farms in summer, and it is also suitable for other livestock farms in summer.

Abstract: A multifunctional immunity-targeted micromolecule anti-cancer medicine Citrate Bestazomib and preparation method and application thereof. The structure of the multifunctional immunity-targeted micromolecule anti-cancer medicine Bestazomib Citrate is shown as follows: The multifunctional immunity-targeted micromolecule anti-cancer medicine Citrate Bestazomib has an activity-inhibiting effect on APN/CD13, also has an activity-inhibiting effect on tumor proteasome, and can be applied to the development of medicines for treating malignant tumors.

Abstract: The present invention discloses a method for preparing 2,3,3,3-tetrafluoropropene using methylmagnesium chloride, comprising the following steps: 1) preparing 1,1,2-trifluoropropene (CH3CF?CF2); 2) preparing 1,1,1,2,2-pentafluoropane (CF3CF2CH3); 3) preparing 2,3,3,3-tetrafluoropropene (CF3CF?CH2). In the present invention, using a Grignard reagent, namely methylmagnesium chloride, and tetrafluoroethylene as starting raw materials, 2,3,3,3-tetrafluoropropene is prepared by three steps of nucleophilic addition-elimination, fluorine addition, and dehydrofluorination in sequence. The process flow is relatively short, and the product yield is high.

Abstract: The present invention discloses a method for preparing 2,3,3,3-tetrafluoropropene using methylmagnesium chloride, comprising the following steps: 1) preparing 1,1,2-trifluoropropene (CH3CF?CF2); 2) preparing 1,1,1,2,2-pentafluoropane (CF3CF2CH3); 3) preparing 2,3,3,3-tetrafluoropropene (CF3CF?CH2). In the present invention, using a Grignard reagent, namely methylmagnesium chloride, and tetrafluoroethylene as starting raw materials, 2,3,3,3-tetrafluoropropene is prepared by three steps of nucleophilic addition-elimination, fluorine addition, and dehydrofluorination in sequence. The process flow is relatively short, and the product yield is high.

Abstract: The present invention relates to a method for preparing pancreatic islet cells, and preferably pancreatic beta cells starting from progenitor cells obtained from the pancreas of an adult mammal. The invention also provides a method for isolating progenitor cells, and preferably beta cell progenitors, from the pancreas of an adult mammal. Other aspects of the invention comprise the pancreatic islet (beta) cells and the progenitor cells that can be obtained with the present invention and their use, e.g. in diagnostic, therapeutic or research applications.