Abstract: Disclosed is an eight-drive six-degrees-of-freedom electrodynamic vibration testing apparatus having an adjustable spatial pose, which includes a pedestal center base. Four corners of a square cavity above the pedestal center base are sequentially provided with a fifth shaker, a sixth shaker, a seventh shaker, and an eighth shaker. A first pedestal side base is fixedly connected to a side wall of the pedestal center base. The pedestal center base, the pedestal side bases, and corner connecting bases are designed in a manner of split combination and annular connection, thereby reducing the difficulty in overall transportation, processing and installation; moreover, by using an annular fastening structure, high resonance frequency is achieved, low-frequency resonance of the apparatus is effectively reduced.

Abstract: Embodiments of the present disclosure provide an operating system startup method, apparatus and electronic device. A specific implementation of the method comprises: determining at least one target mirror server from a mirror server cluster based on a LinuxBoot on a diskless server, wherein a mirror file stored in a mirror server comprises a system kernel and a file system; downloading mirror file fragments from a target mirror server of the at least one target mirror server based on the LinuxBoot; assembling a plurality of downloaded mirror file fragments into a target mirror file; and booting an operating system of the diskless server based on a target system kernel and a target file system comprised in the target mirror file. Therefore, the efficiency and success rate of diskless boot-up of an operating system of the diskless server can be improved when booting the operating system based on the LinuxBoot.

Abstract: The present disclosure provides an electrolytic module unit based on a boron-doped diamond (BDD) electrode, including a water flow guide module and an electrolytic module. The electrolytic module is provided within the water flow guide module. The electrolytic module includes a BDD electrode including a main body portion and a plurality of branch portions disposed on two sides of the main body portion. The main body portion and the plurality of branch portions on two sides of the main body portion constitute a fishbone-like structure. The BDD electrode of the electrolytic module unit is of the fishbone-like structure.

Abstract: A distributed cloud computing system is statistics logic a controller configured to deploy a first gateway in a spoke virtual private cloud network (VPC) and a second gateway in a transit VPC, wherein the second gateway is configured to connect to a first firewall instance deployed within the transit VPC. The spoke VPC and the transit VPC are both located within a cloud computing network. The logic, upon execution by one or more processors, causes performance of operations including receiving network traffic by the second gateway from the first gateway, providing the network traffic to the first firewall instance for inspection, and routing the network traffic to a destination VPC deployed within the cloud computing network. In some embodiments, the first gateway is attached to a first interface of the second gateway and the first firewall instance is connected to a second interface.

Abstract: Provided are a graph generation method and apparatus, a device, and a storage medium. The graph generation method comprises: parsing target logical information to obtain a plurality of logical elements; converting the plurality of logical elements into a syntax tree according to logic of the target logical information, where the syntax tree comprises a plurality of layers of tree nodes, and tree nodes between layers have a dependency relationship; converting the plurality of layers of tree nodes into a plurality of graph nodes; and connecting the plurality of graph nodes according to the dependency relationship to obtain a logical graph corresponding to the target logical information to allow a user to perform special effect editing based on the logic.

Abstract: Methods of assessing cytolysis of cancer cells are provided, which include: providing a cell-substrate impedance monitoring device operably connected to an impedance analyzer, adding target cells characterized as cancer cells to a well of the device adding effector cells to the well to form a test well, where the effector cells are immune cells obtained or derived from a same patient as the target cells; monitoring cell-substrate impedance of the test well before and after adding the effector cells and optionally deriving an impedance-based parameter from the impedance; and determining effectiveness of effector cell killing of the target cells by comparing the impedance or impedance-based curves over time.

Abstract: Embodiments of the present disclosure provide an interaction window display method and apparatus, a device, and a storage medium. The method includes: first, in response to an interaction window display operation, obtaining node structure data, the node structure data comprising node information stored according to a preset data structure, and the node structure data being used for enabling the node information to be displayed in a target interaction window on the basis of the preset data structure; and then displaying the target interaction window on the basis of the node structure data and an interaction window framework.

Abstract: Provided are a determination method and apparatus of a main shaft bearing state, an electronic device, and a storage medium. The method includes the following steps: Bearing swing data of a target main shaft bearing at multiple moments within a preset time period are acquired; at least one current data period and current-period bearing swing data in each current data period are determined according to the multiple pieces of bearing swing data; a first abrupt change value and a second abrupt change value are determined according to the current-period bearing swing data in each current data period; and a main shaft bearing state of the target main shaft bearing is determined according to the first abrupt change value and the second abrupt change value.

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 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: 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: 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.