Abstract: The present application relates to a preparation method for a pyrrolopyrimidine compound, comprising: obtaining a compound 3 from a compound 2, obtaining a compound 4P2 from the compound 3, and obtaining a pyrrolopyrimidine compound of formula I by removing a protecting group from the compound 4P2. The preparation method of the present application has the advantages of simple operation, mild reaction conditions and high yield, avoids the problems of low yield and a large amount of impurities and difficult separation of same in original routes, reduces production costs, and is suitable for industrial production. Furthermore, the product yield of each step is high, and basically reaches about 80%, and even the yield of some steps can reach 90% or more.

Abstract: The present disclosure provides an in-situ testing system of metal materials under high temperature and complex loads. The testing system includes a fatigue testing unit, a high-temperature loading unit, a signal detecting unit and a base. The fatigue testing unit is configured for pre-tightening a sample and then performing a fatigue testing on the sample. The high-temperature loading unit is configured for heating the sample to a high temperature. The signal detecting unit includes a pressure sensor and a displacement sensor. The pressure sensor is configured for monitoring the tensile force on the sample. The displacement sensor is configured for monitoring the displacement of the sample after being stretched during the pre-tightening of the sample. The base is configured for bearing the fatigue testing unit, the high-temperature loading unit and the signal detecting unit, and can be positioned on a scanning electron microscope stage or an open microscopic device.

Abstract: A computer-implemented method, program product, and systems for managing distributed processes is provided. Embodiments of the present invention define additional system parameters to a kernel using a union structure. Embodiments of the present invention can then process information manager kernel using a cluster model using a formed distance between one node of the plurality and another node of the plurality. Embodiments of the present invention can then control an interval for information collection and sorting frequency for each node of the plurality of nodes in the system.

Abstract: A method for dynamically adjusting a proxy server timeout includes identifying each microservice within a proxy server and mapping a topology of microservices, assigning each microservice to one of an application layer, a middleware layer and an infrastructure layer. Defining each representational state transfer (REST) application programming interface (API) calling relationship between each microservice and each other microservice. Determining a corresponding regression model defining a response time of each microservice based at least in part on a set of available response time predictors. Building a sequence model for at least one microservice in the application layer. Predicting an incoming REST API call and identifying a probable sequence model corresponding to the predicted incoming REST API call. Updating a timeout value of the predicted REST API call within the proxy server based on the sequentially predicted response times.

Abstract: In one aspect, a method for manufacturing a solar cell includes: manufacturing a barrier layer on a transparent conductive film of a solar cell wafer; manufacturing a first copper seed layer on the barrier layer by a chemical copper plating method; manufacturing a second copper seed layer on the first copper seed layer by a sputtering method; and manufacturing a grid line electrode on the second copper seed layer.

Abstract: Disclosed embodiments relate to data management of entity pairs. Techniques can include receiving at least two sets of data and a data management task request with each including a set of entities. Techniques can determine a location of each entity in received data sets in a representative space by determining representative structure of the set of entities. Techniques can then for an entity, a set of representative entity pairs from each set of the at least two sets of data based on how close they are in the representative space. Technique can then analyze the set of representative entity pairs to identify most similar entity pairs include in a set of candidate pairs by determining closeness of location of entities in each entity pair in the representative space. Technique can then determine matched entity pairs of the candidate pairs using a first machine learning model is trained using the candidate pairs by applying labels, and utilizing the matched pairs to perform the requested data management task.

Abstract: Embodiments of the present disclosure provide a displacement device, comprising a plate model, a cylinder, a circulation component, a confining pressure pump, a displacement component, an acoustic detection component, and a pipeline component. The plate model includes a model cavity and a rock plate disposed in the model cavity, and the rock plate is provided with a sealing member on a surface. The sealing member is provided with an electrode sheet, and acoustic waves generated by the acoustic detection component pass through the rock plate and are received by an acoustic reception assembly. The confining pressure pump applies a confining pressure on the plate model. The pipeline component includes an inner pipeline and an outer pipeline, and a fluid is provided between the outer and the inner pipelines. Cables of the acoustic detection component are provided inside the inner pipeline and are connected to the outside through the inner pipeline.

Abstract: A foldable walking pad includes a first walking pad, a second walking pad and a folding assembly that connects the first fixing plate and the second fixing plate.

Abstract: As part of carrier assignment and configuration for multicarrier wireless communications, a single uplink (UL) primary carrier may provide control information for multiple concurrent downlink (DL) carriers. Optionally, control information for each DL carrier may be transmitted over paired UL carriers. Carrier switching of UL and/or carriers, including primary and anchor carriers, may occur during normal operation or during handover, and may occur in only the UL or only the DL direction. A unidirectional handover is performed when only an UL carrier or only a DL carrier is switched as part of a handover. Switching of UL and/or DL carriers may be from one component carrier or a subset of carriers to another component carrier, another subset of carriers, or all carriers in the same direction.

Abstract: Embodiments of the present application provide a hole array layered structure, a precoating method, a membrane forming method and a sequencing device. The hole array layered structure is adapted for forming a membrane forming space with a substrate, wherein the membrane forming space is adapted to form a membrane layer. The hole array layered structure includes a base plate, a plurality of hole units is provided in the base plate in an array, each hole unit penetrates through the base plate and includes a first hole and a second hole stacked in a thickness direction of the base plate, a first hole contour of the first hole surrounds a second hole contour of the second hole on an outer side thereof, the second holes of the plurality of hole units are disconnected with each other, and the first holes of the plurality of hole units are disconnected with each other.

Abstract: The application provides a method, an apparatus and a device for evaluating a dynamic diffusion of natural hydrogen in rock pores. The method includes: performing, at a target pressure and a target temperature, a simulation calculation of a natural hydrogen adsorption based on a pre-constructed pore model of a rock to be evaluated, and determining an average number of hydrogen molecules adsorbed in the rock pores when the natural hydrogen is saturated at the target pressure and the target temperature; determining a natural hydrogen content, based on lithologic parameters, the average number of hydrogen molecules, the target pressure and the target temperature; adding one or more preset gases to the pre-constructed pore model, determining a loss content of the natural hydrogen, and determining a diffusion coefficient of the natural hydrogen; determining a diffusion evaluation parameter, based on the natural hydrogen content, the loss content and the diffusion coefficient.

Abstract: A light-emitting diode includes a semiconductor epitaxy stack, a reflection layer, a first pad electrode, and a second pad electrode. The semiconductor epitaxy stack has a first surface and a second surface opposite to the first surface. The first surface has an electrode region and a light exit region. The semiconductor epitaxy stack includes a first type semiconductor layer, an active layer and a second type semiconductor layer that are arranged in such order in a direction from the first surface to the second surface. The reflection layer is disposed on the second surface opposite to the first surface. The first pad electrode is disposed on the electrode region and is electrically connected to the first type semiconductor layer. The second pad electrode is disposed on the electrode region and is electrically connected to the second type semiconductor layer.

Abstract: The present disclosure relates to the field of parking equipment. Disclosed is a vertical circulation three-dimensional garage, comprising: a rack, the rack comprising a front main frame and a rear main frame arranged spaced apart from and opposite to each other and each having a traction chain mounted thereon; a plurality of car carrying plates, respectively connected to different positions of the traction chains; and a driving system, the driving system comprising a front shifting wheel, a rear shifting wheel, and an intermediate transmission mechanism transmittingly connected between the front shifting wheel and the rear shifting wheel, and the intermediate transmission mechanism comprising a central transmission shaft extending between the front main frame and the rear main frame and offset with respect to wheel centers of the front shifting wheel and the rear shifting wheel.

Abstract: The present invention discloses a flip-out electric running board and a vehicle. The electric running board includes: a running board body; a first mounting seat; a first connecting seat, fixedly connected to one end of the running board body and rotationally connected to the first mounting seat; a connecting rod, where one end is movably connected to the first connecting seat; a swing arm, where one end is movably connected to the other end of the connecting rod; a driving device, disposed on the first mounting seat and connected to the other end of the swing arm, where the driving device can drive the swing arm to swing in a horizontal direction; a second mounting seat; and a second connecting seat, fixedly connected to the other end of the running board body and rotationally connected to the second mounting seat.

Abstract: An automatic sampling device and method for determining greenhouse gas emission flux from farmland are provided. The device includes a static chamber, a flow meter, and a collection box. The static chamber communicates with a gas inlet of the collection box. The flow meter is arranged in a gas pipe between the static chamber and the collection box. The static chamber is used to cover plants to be tested and to keep the plants to be tested in a closed environment. The flow meter is used to determine a gas flow rate in the gas pipe between the static chamber and the collection box in real time. The collection box is internally provided a plurality of collection loops and a controller. Each collection loop is used to collect a gas in the static chamber at different time according to collection settings of the controller.

Abstract: A method for treating, resisting and alleviating endometriosis-associated pain, relating to the field of biological medicine, comprising administering, to an individual in need thereof, a therapeutically effective amount of a diaminopyrimidine compound of formula (I) or a pharmaceutically acceptable salt, an ester, a stereoisomer, a polymorph, a solvate, an N-oxide, an isotopically labeled compound, a metabolite or a prodrug thereof.

Abstract: A prismatic cell including a shell and two jelly roll assemblies accommodated therein is provided. Each jelly roll assembly includes at least two jelly rolls stacked along a first direction and a first insulating tape, wherein one jelly roll adjacent to the shell along the first direction is designated as a first jelly roll, and another jelly roll adjacent to another jelly roll assembly is designated as a second jelly roll. An outer peripheral surface of each jelly roll along a winding direction includes two plane regions and a first corner region and a second corner region respectively connected to the opposite ends of the two plane regions. The first insulating tape covers the first corner region of the second jelly roll. One end of the first insulating tape extends to the first plane region via the first corner region of the first jelly roll.

Abstract: An embodiment for an improved method of automated version management for machine learning pipeline development is provided. The embodiment may compute a quality value of a target machine learning pipeline at a predetermined regular interval and automatically save updated versions of the target machine learning pipeline. The embodiment may extract a series of key features from detected versions of the target machine learning pipeline and cluster the detected versions of the target machine learning model pipeline by the extracted series of key features. The embodiment may identify a highest-quality version within each of a series of generated clusters. The embodiment may compute similarity scores for subsets of versions within each of the series of generated clusters. The embodiment may generate and output to a user, a visual representation of the series of generated clusters including version quality data and version similarity data.