Abstract: The present application relates to a gas control system and method for a reflow soldering furnace, comprising: an oxygen detecting device, capable of coming into contact with a gas in a furnace chamber, for detecting an oxygen concentration in the furnace chamber; an intake valve device, for controllably establishing fluid communication between a working gas source and the furnace chamber, thereby inputting the working gas into the furnace chamber; and a controller, for controlling the opening extent of at least one intake valve device based on an oxygen concentration signal, thereby regulating a flow rate of the working gas inputted into the furnace chamber.

Abstract: In an approach to intelligently choosing transport channels across protocols by drive type, one or more transport channels on a host are detected. One or more storage drive tiers on a target are detected. The one or more transport channels are mapped to the one or more storage drive tiers, based on performance. A transfer of a data between a host and the target is completed, using each transport channel and each storage drive tier.

Abstract: The disclosure provides an electrochemical cell that may comprise a housing; a cathode connection, in the housing, that is associated with a cathode; an anode connection, in the housing, that is associated with an anode; an electrolyte; and a header assembly. The header assembly can include a cathode connection assembly; an anode connection assembly; and a stepped header body that includes (a) a first step portion having a first thickness and first step surface, (b) a second step portion having a second thickness and a second step surface, and the first thickness being thicker than the second thickness. The disclosure may also provide systems and methods of making such a cell.

Abstract: Batteries and methods of using and making batteries are provided. A cell can include a housing; a cathode current collector, in the housing, including a cathode tab and a cathode plate. The cathode tab can include a tab area. The cathode plate can include a plate area and a peripheral edge that surrounds at least a portion of the plate area. The peripheral edge can include a plurality of partial perforations. The plate area can include a plurality of interior perforations. The cell can further include an anode current collector, in the housing, including an anode tab; an anode, in the housing, provided adjacent the anode current collector; and a cathode, in the housing, provided adjacent to the cathode current collector.

Abstract: A training apparatus is disclosed, comprising: a top structure, a bottom structure, and a traction structure disposed between the top structure and the bottom structure, and wherein the traction structure is configured to be retractable along an axial direction of the top or bottom structure to achieve relative movement between the top structure and the bottom structure.

Abstract: A tandem solar cell includes a top solar cell and a bottom solar cell. The top solar cell and the bottom solar cell each have a respective front surface and a rear surface, with the respective front surfaces being adapted for facing a radiation source during use. The top solar cell is arranged with its rear surface overlying the front surface of the bottom solar cell. The top solar cell includes a photovoltaic absorber layer with a bandgap greater than that of crystalline silicon. The bottom solar cell includes a crystalline silicon substrate. On at least a portion of the front surface of the bottom solar cell a passivating layer stack is disposed which includes a thin dielectric film and a secondary layer of either selective carrier extracting material or polysilicon. The thin dielectric film is arranged between the silicon substrate and the secondary layer.

Abstract: A finger exoskeleton robot includes a support plate, at least one finger mechanism, and a temperature control system. Each of the finger mechanisms includes a plurality of finger sleeves and joint drivers. The sleeves of the finger mechanism are sequentially arranged at a distance and configured to be correspondingly worn on a plurality of knuckles of the user's fingers. Every two finger sleeves adjacent to each other of the finger mechanism are connected by one joint driver. The support plate and one of the finger sleeves closest to the support plate are connected by one joint driver. The joint driver is switched between a flat state and a curved state when the temperature of the joint drivers is higher than or lower than a phase change temperature value. A temperature control system is electrically connected to the respective joint drives and respectively controls the temperature of the joint drivers.

Abstract: Disclosed are an array substrate, a display panel and a display device. The array substrate includes: a base substrate provided with a bonding region for packaging a chip on film, and a first electrode structure, an interlayer dielectric layer, a second electrode structure and a third electrode structure sequentially arranged on the base substrate, the orthographic projections of the first electrode structure, the interlayer dielectric layer, the second electrode structure and the third electrode structure on the base substrate being located in the bonding region. The array substrate further includes protection layers located between the first portion of the second electrode structure and a third electrode and between the second portion of the second electrode structure and the third electrode respectively; and the protection layers cover the side end face of the first portion and the side end face of the second end surface.

Abstract: The present disclosure provides a flexible suit and a flexible system for rehabilitation training of a human leg. The flexible suit includes a first hip joint motion assembly, a first knee joint motion assembly and a first ankle joint motion assembly, a first end of the first knee joint motion assembly is connected with the first hip joint motion assembly, a second end of the first knee joint motion assembly is connected with the first ankle joint motion assembly, the first hip joint motion assembly, the first knee joint motion assembly, and the first ankle joint motion assembly each includes a flexible mechanism, and at least one of a group consisting of the first hip joint motion assembly, the first knee joint motion assembly, and the first ankle joint motion assembly is configured to operate under gas drive.

Abstract: The present disclosure discloses a method for preparing cellulose fiber. The method includes the following steps: 1) mixing cellulose pulp with NMMO aqueous solution of a mass concentration of 60%-85%, preferably 70% to 76%, to obtain a uniform mixture; 2) subjecting the obtained uniform mixture to dewatering for swelling, dissolution, and deaerating to obtain a cellulose spinning stock solution; 3) the cellulose spinning stock solution entering into a spinning machine after being filtered and heat exchange, and entering into a coagulation system after carrying out extruding by a spinneret-pack and cooling by air, and then coagulating in a NMMO coagulating bath of a mass concentration of 50% to 72% to obtain nascent fiber; and 4) subjecting the nascent fiber to rinsing to obtain a fiber filament bundle, and then, performing subsequent-section treatment to obtain cellulose fiber.

Abstract: The example embodiments disclose a system and method, a computer program product, and a computer system for improving solid-state drive performance. The example embodiments may include generating, by an affinity adapter located external to the solid-state drive, a plurality of affinities for each of a plurality of data to a respective plurality of subdivisions of data of a solid-state drive, wherein each of the plurality of data is associated with a logical block address (LBA) and each of the respective plurality of subdivisions has a physical block address (PBA).

Abstract: The disclosure discloses an acceleration sensor, where the acceleration sensor comprises: a housing, and a mass block in the housing and connected with the housing via at least two hanging beams, where an auxiliary buffer component is further provided between the mass block and a bottom surface of the housing, and an elastic coefficient of the auxiliary buffer component decreases as force applied thereon increases.

Abstract: A method and system for generating a fusion image. The method may include obtaining a first image and a second image of a same scene. Pixels of at least a part of the first image may correspond to pixels of at least a part of the second image. The method may include generating, based on the first image, a first low-frequency image corresponding to a low-frequency component of the first image, the first low-frequency image including a plurality of first pixels. The method may include generating, based on the second image, a first high-frequency image corresponding to a high-frequency component of the second image, the first high-frequency image including a plurality of second pixels, the plurality of second pixels corresponding to the plurality of first pixels.

Abstract: A photovoltaic device (1) is provided with a first electrode layer (11), a photovoltaic layer (13), a second charge carrier transport layer (14) and a second electrode layer (15). The photovoltaic device (1) has a plurality of mutually subsequent photovoltaic device cells (1A, . . . , 1F) arranged in a first direction (D1). Each pair of a photovoltaic cell (1C) and its successor are serially connected in an interface region (1CD). The interface region comprises an elongate region (RO) between successive first electrode layer portion (11C, 11D), a first elongate region (R1) between successive photovoltaic layer portions (13A, 13B), a second elongate region (R2) between successive second charge carrier transport layer portions (14C, 14D) and a third elongate region (R3) between successive second electrode layer (15) portions (15C, 15D). The second elongate region (R2) extends within the first elongate region (R1), and its lateral boundaries are distinct from those of the first elongate region (R1).

Abstract: Systems and methods are disclosed that use a geometric approach to detect objects on a road surface. A set of points within a region of interest between a first frame and a second frame are captured and tracked to determine a difference in location between the set of points in two frames. The first frame may be aligned with the second frame and the first pixel values of the first frame may be compared with the second pixel values of the second frame to generate a disparity image including third pixels. One or more subsets of the third pixels that have an disparity image value about a first threshold may be combined, and the third pixels may be scored and associated with disparity values for each pixel of the one or more subsets of the third pixels. A bounding shape may be generated based on the scoring that corresponds to the object.

Abstract: Aspects of the present invention disclose a method, computer program product, and system for dynamic load balancing of user traffic across Internet circuits based on monitored loads of the circuits. The method includes one or more processors receiving a request to utilize an Internet-accessible resource from a first user. The method further includes one or more processors identifying a communications service provider (CSP) that is associated with the user. The method further includes one or more processors determining a real-time load on a first Internet uplink circuit that is provisioned to the first CSP. In response to determining that the real-time load on the first Internet uplink circuit does meet a threshold condition, the method further includes one or more processors distributing traffic corresponding to executing the received request to utilize the Internet-accessible resource to a second Internet uplink circuit that is provisioned to a second CSP.

Abstract: A class of solvent resistant, flexible copolyimide substrates having high optical transparency (>80% from 400 to 750 nm) that is retained after brief exposure to 300° C., near-zero birefringence (<0.001) and a maximum CTE of approximately 60 ppm/° C. is disclosed. The copolyimides are prepared from alicyclic dianhydrides, aromatic cardo diamines, and aromatic diamines containing free carboxyl groups. The substrates are manufactured from solutions of the copolyimides containing multifunctional epoxides in the form of single layer films, multilayer laminates and glass fiber reinforced composite films. The substrates can be used in the construction of flexible optical displays, and other microelectronic and photovoltaic devices that require their unique combination of properties.

Abstract: A wireless communication method includes receiving, by an external device, a request to transmit data to an aircraft, in response to a triggering condition being satisfied, switching a communication electric circuit of the aircraft from operating a first software defined ration (SDR) firmware to operating a second SDR firmware, and receiving, by the aircraft, data to be transmitted. Communication electric circuits of the aircraft and the external device are respectively configured to execute corresponding SDR firmwares to establish communication links. The first SDR firmware is configured to establish a communication link of the aircraft, and the second SDR firmware is configured to establish a communication link of the external device. A bandwidth of a communication link of the aircraft operated with the second SDR firmware is broader than a bandwidth of the communication link of the aircraft operated with the first SDR firmware.

Abstract: A method for displaying a view and a terminal device, where the method is applied to a terminal device on which a view control and at least one application are installed. The view control is a control in an operating system of the terminal device, and the method includes grouping multiple to-be-displayed objects in a first application using the view control, allocating a group identifier to each group, establishing mapping relationships between objects in each group and the group identifier of the group, generating, using the view control, a view comprising all the group identifiers and the multiple objects, displaying at least a part of the view, and preferentially displaying an object corresponding to a first group identifier when receiving a selection instruction for the first group identifier.

Abstract: A flexible substrate with a high optical transparency (>80% from 400 to 750 nm) that is retained after exposure to 300° C., near-zero birefringence (<±0.001), and a relatively low CTE (<60 ppm/° C.) is disclosed. The substrate may be manufactured as single layer, polyimide films and as a multi-layer laminate comprising a polyimide layer and a thin glass layer. The polyimides may include alicyclic dianhydrides and aromatic, cardo diamines. The films formed of the polyimides can serve as flexible substrates for optical displays and other applications that require their unique combination of properties.