Abstract: A method of batch-fabricating an array of probe devices for a surface analysis instrument, such as an atomic force microscope (AFM), includes providing a wafer, and photolithographically forming a base and a cantilever for each probe. The cantilever includes a built-in angle, ?, relative to the base, and the base is substantially parallel to a sample holder when the probe device is mounted in a probe holder of the surface analysis instrument.

Abstract: The invention relates to the filed of the Internet of Things, and in particular, to an OTA differential upgrade method and system of a master-slave architecture. The method comprises: Step S1, obtaining an upgrade scheme, and determining a master-slave connection relationship and an upgrade manner according to the upgrade scheme; Step S2, downloading a differential upgrading file; Step S3, determining a processing mode of a master node according to the upgrading manner of a slave node; if the upgrading manner of the slave node is a first manner, the node flashes and restores the differential upgrading file and sends the differential upgrading file to the slave node, so that the slave node completes upgrading; if the upgrading manner of the slave node is a second manner, the master node flashes and restores the differential upgrading file and sends the differential upgrading file to the slave node for upgrading.

Abstract: A display frame structure and a display are disclosed. The display frame structure includes an integrally formed main body, where the integrally formed main body is provided with a first connecting portion and a second connecting portion, the first connecting portion is configured to connect a first component on a first side of the integrally formed main body, the second connecting portion is configured to connect a second component on a second side of the integrally formed main body that is opposite to the first side, and the integrally formed main body is also provided with a plurality of passage holes.

Abstract: The present disclosure relates to a frame and a display device. The frame includes a frame body having a first end surface and a second end surface disposed oppositely, and the first end surface is used for mounting a first body portion of a first component, and the frame body is provided with a first opening penetrating from the first end surface to the second end surface, and the first opening is used to make a driving circuit board of the first component and a first connecting portion pass, the first connecting portion is used for connecting the first body portion with the drive circuit board, and the second end surface of the frame body is provided with an inclined surface extending outwardly in a direction away from the first end surface from the first opening, and the inclined surface is used for mounting the driving circuit board.

Abstract: The present invention discloses an adjusting hand wheel set having a zero position limiting function and a sight. The adjusting hand wheel set includes an adjusting hand wheel, a zeroing screw, a hand wheel seat, a hand wheel buckle cover, an adjusting base and an adjusting screw, where a linkage ring is disposed in the adjusting hand wheel, and a linkage protrusion integrally formed with the linkage ring is disposed on an outer wall of the linkage ring along any radius direction of the linkage ring. The adjusting hand wheel set further includes a stop ring, an upper port of the stop ring is internally provided with a ring surface integrally formed with the stop ring, the ring surface is provided with a linkage groove along any radius direction of the ring surface, and a first limit protrusion is disposed on a bottom surface of the ring.

Abstract: Disclosed are a method and apparatus for dynamically adjusting an SAR value, a mobile terminal, and a computer storage medium. The method for dynamically adjusting the SAR value is applied to the mobile terminal. The mobile terminal comprises a WiFi antenna used for connecting a WiFi network. The method comprises: monitoring the change of a cell or the change of a network type of the mobile terminal; when monitoring the change of the cell or the change of the network type of the mobile terminal, obtaining a working frequency band on which the mobile terminal currently camps; and adjusting the transmit power of the WiFi antenna according to a difference value between a pre-stored SAR value corresponding to the working frequency band and an SAR standard value.

Abstract: A backlight unit, a display device, and a method for manufacturing a backlight unit are provided. The backlight unit includes a light guide plate including a main body and a first protrusion portion protruding from a side of the main body; a plastic frame provided at a periphery of the side of the light guide plate, wherein a side of the plastic frame proximal to the light guide plate has an engaging groove provided thereat, and the first protrusion portion of the light guide plate protrudes towards the plastic frame and is engaged in the engaging groove; and a light shielding structure provided on a light exit surface of the first protrusion portion, wherein an orthographic projection of the light shielding structure on the light exit surface of the first protrusion portion partially covers the light exit surface of the first protrusion portion.

Abstract: The present disclosure discloses methods for preparing an in-situ nano emulsifier. The preparation method may include obtaining a solution by dissolving hydrated ferric chloride (or ferric chloride) and hydrated ferrous sulfate (or ferrous sulfate) into deionized water at a first temperature; obtaining an ethanol solution dissolved with an oil-soluble surfactant by dissolving an oil-soluble surfactant into ethanol at a second temperature; and adding a certain volume of ammonia water and the ethanol solution dissolved with the oil-soluble surfactant in the solution to obtain an in-situ nano emulsifier. The in-situ nano emulsifier may be applied to development of the oil reservoir through an application process. The application process may include preparing a nano emulsifier solution and a surfactant solution; sequentially injecting the surfactant solution and the nano emulsifier solution into a formation; and injecting a spacer liquid slug into the formation for replacement.

Abstract: An amphoteric two-dimensional nanosheet and a preparation method thereof are provided. The amphoteric two-dimensional nanosheet is prepared by the following steps: uniformly dispersing few-layered graphene oxide into toluene and then adding alkylamine coupling agent to a mixture of the few-layered graphite oxide and the toluene for reaction; amine terminated graphite oxide dispersion that has been prepared is fully dispersed in toluene-dimethylformamide mixed solvent, and then, alkyl glycidyl ether is added into the above solution for reaction, so as to obtain the amphoteric two-dimensional nanosheet.

Abstract: A method for producing a radiation window includes patterning a photo resist structure onto a double-sided silicon wafer, plasma etching the silicon wafer to create an etched silicon wafer having a silicon supporting structure etched upon a first side of the double-sided silicon wafer, applying a silicon nitride thin film to the etched silicon wafer, patterning a photo resist structure and plasma etching a second side of the double-sided silicon wafer to create an initial window in the silicon nitride thin film, and wet etching the second side of the double-sided silicon wafer to release the silicon nitride thin film and supporting structure from the portion of the double-sided silicon wafer defined by the initial window.

Abstract: The present invention discloses an adjusting hand wheel set having a zero position limiting function and a sight. The adjusting hand wheel set includes an adjusting hand wheel, a zeroing screw, a hand wheel seat, a hand wheel buckle cover, an adjusting base and an adjusting screw, where a linkage ring is disposed in the adjusting hand wheel, and a linkage protrusion integrally formed with the linkage ring is disposed on an outer wall of the linkage ring along any radius direction of the linkage ring. The adjusting hand wheel set further includes a stop ring, an upper port of the stop ring is internally provided with a ring surface integrally formed with the stop ring, the ring surface is provided with a linkage groove along any radius direction of the ring surface, and a first limit protrusion is disposed on a bottom surface of the ring.

Abstract: A method comprises receiving a workload for a computer system; sweeping at least one parameter of the computer system while executing the workload; monitoring one or more characteristics of the computer system while sweeping the at least one parameter, the one or more characteristics including total power consumption of the computer system; generating a power profile for the workload that indicates a respective selected value for the at least one parameter based on analysis of the monitored total power consumption of the computer system while sweeping the at least one parameter; and executing the workload based on the respective selected value of the at least one parameter.

Abstract: Systems and methods for constructing a scoring model and evaluating user credit. An example method for constructing a scoring model may comprise: collecting a plurality of sample datasets, each sample dataset comprising at least one characteristic variable and a corresponding characteristic value; for each characteristic variable, acquiring an interaction index of the characteristic variable with each of one or more other characteristic variables, and determining a clustering index of the characteristic variable according to the interaction indices; selecting a target characteristic variable from the at least one characteristic variable according to the clustering indices of the characteristic variables; dividing the plurality of sample datasets into a plurality of sample dataset subgroups according to the target characteristic variable and the corresponding characteristic value; and constructing a corresponding sub-scoring model for each of the sample dataset subgroups.

Abstract: A backlight unit, a display device, and a method for manufacturing a backlight unit are provided. The backlight unit includes a light guide plate including a main body and a first protrusion portion protruding from a side of the main body; a plastic frame provided at a periphery of the side of the light guide plate, wherein a side of the plastic frame proximal to the light guide plate has an engaging groove provided thereat, and the first protrusion portion of the light guide plate protrudes towards the plastic frame and is engaged in the engaging groove; and a light shielding structure provided on a light exit surface of the first protrusion portion, wherein an orthographic projection of the light shielding structure on the light exit surface of the first protrusion portion partially covers the light exit surface of the first protrusion portion.

Abstract: Disclosed are a method and apparatus for dynamically adjusting an SAR value, a mobile terminal, and a computer storage medium. The method for dynamically adjusting the SAR value is applied to the mobile terminal. The mobile terminal comprises a WiFi antenna used for connecting a WiFi network. The method comprises: monitoring the change of a cell or the change of a network type of the mobile terminal; when monitoring the change of the cell or the change of the network type of the mobile terminal, obtaining a working frequency band on which the mobile terminal currently camps; and adjusting the transmit power of the WiFi antenna according to a difference value between a pre-stored SAR value corresponding to the working frequency band and an SAR standard value.

Abstract: As part of neural network sensitivity analyses, base outputs of hidden layer nodes of a neural network model for non-perturbed variables can be reused when perturbing the variables. Such an arrangement greatly reduces complexity of the calculations required to generate outputs of the model. Related apparatus, systems, techniques and articles are also described.

Abstract: Disclosed herein are system, method, and computer program product embodiments for tracking shop information using blockchain. In an embodiment, a shop application system may gather information related to a shop using various sensors within the shop. For example, the shop application system may identify a flow rate of traffic within the shop or outside of the shop. The shop application system may securely transmit this information to a blockchain cloud platform to be stored onto a blockchain. The blockchain may also maintain store information from a client application system related to shop ownership or tenancy. In this manner, the blockchain may provide a public means for accessing transactions related to a shop as well as provide confidence in the information provided.

Abstract: A display frame structure and a display are disclosed. The display frame structure includes an integrally formed main body, where the integrally formed main body is provided with a first connecting portion and a second connecting portion, the first connecting portion is configured to connect a first component on a first side of the integrally formed main body, the second connecting portion is configured to connect a second component on a second side of the integrally formed main body that is opposite to the first side, and the integrally formed main body is also provided with a plurality of passage holes.

Abstract: The present disclosure provides compositions and methods for repairing cartilage defects.

Abstract: A system and method to determine a location of a device in a wireless local area network (LAN) based on positioning assistance data acquired from a server is disclosed. The host-offload wireless LAN device may determine a location based on the location computations done inside the wireless LAN module. The device includes a storage medium configured to provide a database of positioning assistance data, a wireless LAN module configured to receive beacon signals broadcast from one or more access points, and a processor configured to store the access point identification information and the signal strength detected by the wireless LAN module in a first memory section, access the previously-stored positioning assistance data from the storage medium, assemble positioning assistance data based on a comparison, store the assembled positioning assistance data in a second memory section, and determine a location of wireless LAN device using assembled positioning assistance data.