Abstract: A method for operating a graph database, including receiving, by a computer system, a query to a particular graph database, the query identifying a plurality of vertices of the particular graph database. The method further includes performing, by the computer system, hash operations on two or more of the plurality of vertices to generate respective hash values and dividing, using the respective hash values, the query into a plurality of sub-queries, each corresponding to a subset of the plurality of vertices. The method also includes sending, by the computer system, ones of the plurality of sub-queries to a plurality of database repositories for the particular graph database.

Abstract: The invention discloses a biological desulfurizer for removing organic sulfur in fracturing flowback fluid and application thereof. The biological desulfurizer includes a compound with a triazine structure formed by modifying chitosan with aldehydes and inorganic salts. The triazine structure has a good removal effect on hydrogen sulfide and organic sulfur such as mercaptan and sulfide. The biological desulfurizer of the invention has a sulfur capacity of up to 250 g/kg and a desulfurization efficiency of over 95% in 15 min. It can effectively remove the stink of sulfur-containing working water, improve the working environment of the well site, and reduce the impact of sulfur compounds on the atmospheric environment during the development of oil and gas fields.

Abstract: The present invention relates to a polybutylene terephthalate composition, comprising (A) 45 to 75% by weight of polybutylene terephthalate, (B) 20 to 45% by weight of at least one carbon fiber, (C) 0 to 20% by weight of at least one solid filler other than the carbon fiber (B), and (D) 0 to 30% by weight of at least one thermoplastic polyester other than polybutylene terephthalate, each being based on the total weight of the polybutylene terephthalate composition, wherein the at least one carbon fiber has a carbon content of 93% by weight or greater, and comprises a sizing agent other than epoxy sizing agent. The present invention also relates to an EMI shielding article produced from the polybutylene terephthalate composition.

Abstract: The present invention belongs to the technical field of diesel engines, and particularly relates to an engine cooling system and a cooling method therefor. In the engine cooling system of the present invention, when an engine needs to be warmed up, a first valve is opened, a lower engine body water storage chamber is in communication with an upper engine body water storage chamber, and some of the cooling water directly flows into the lower engine body water storage chamber from the upper engine body water storage chamber. The flow of the cooling water entering an engine body is reduced, and under the condition that heat dissipated by the engine is unchanged, the temperature rise of the cooling water flowing through the engine body such as a cylinder sleeve upper cooling water chamber and a cylinder sleeve lower water jacket is faster, such that an engine warming effect is improved.

Abstract: The disclosure relates to compounds of Formula (I) as allosteric chromenone inhibitors of phosphoinositide 3-kinase (PI3K) useful in the treatment of diseases or disorders associated with PI3K modulation, Formula (I): or pharmaceutically acceptable salts thereof wherein R, R1, R2, R3, R4, R5, R6, R7, and R8, are as defined herein. The disclosure also relates to methods of making and using compounds of Formula (I) or pharmaceutically acceptable salts thereof.

Abstract: An installation seat may be adapted for installing a battery and include: a seat body, a support assembly and a locker. The support assembly may be disposed on the seat body and include a first support seat and a second support seat spaced apart from each other. The locker may be disposed on the seat body and include a locking shaft, the locking shaft may be adapted to extend through a portion of the battery protruding into a space between the first support seat and the second support seat and be supported on the first support seat and the second support seat to fix the battery.

Abstract: A local pharmaceutical composition includes a probiotic component. The probiotic component can be included as an active ingredient for the treatment of local lesion diseases. The local composition provides a unique pharmacology that realizes chemical ablation-like local treatment and achieves a local effect (or local synergy) and/or immunotherapy. The immunotherapy includes a secondary immunological effect associated with the local effect (or local synergy), which cannot be achieved by existing probiotic compositions. The local composition has almost completely non-toxic systemic safety and a significantly higher long-term efficacy than other compositions. The composition can treat rapidly growing tumors, large tumors and hypovascular tumors, and is absent of drug resistance. The composition is convenient to prepare and has low costs.

Abstract: The present invention belongs to the technical field of diesel engines, and particularly relates to an engine cooling system and a cooling method therefor. In the engine cooling system of the present invention, when an engine needs to be warmed up, a first valve is opened, a lower engine body water storage chamber is in communication with an upper engine body water storage chamber, and some of the cooling water directly flows into the lower engine body water storage chamber from the upper engine body water storage chamber. The flow of the cooling water entering an engine body is reduced, and under the condition that heat dissipated by the engine is unchanged, the temperature rise of the cooling water flowing through the engine body such as a cylinder sleeve upper cooling water chamber and a cylinder sleeve lower water jacket is faster, such that an engine warming effect is improved.

Abstract: A stable pharmaceutical composition contains active ingredients of edaravone and dextrocamphol can control the content of unique impurity SCR-756 and impurity SCR-757 thereof.

Abstract: A networking method for a wireless device applied to a gateway device, includes receiving a wireless device adding instruction through a client, adding a scanned, to-be-added, wireless device to a network constructed by the gateway device according to the wireless device adding instruction, acquiring type information of the wireless device and determining corresponding preset configuration information according to the type information of the wireless device, and configuring a corresponding wireless device according to preset configuration information.

Abstract: The present application relates to a battery storage device and an oiling method, and belongs to the technical field of battery overhauling and maintenance. The present application provides a battery storage device for storing a battery and charging the battery, and the battery has a connecting element for being connected to an electrical apparatus. The battery storage device includes: a battery placement rack; and an oiling mechanism arranged on the battery placement rack and used for oiling the connecting element. The present application further provides an oiling method. By using the battery storage device and the oiling method provided in the present application, the connecting element of the battery can be oiled and maintained, and the service life of the connecting element of the battery is prolonged.

Abstract: The present application relates to a battery swap apparatus and a battery swap system for replacing a battery of an electrical device, which comprises: a movable base configured to drive the battery swap apparatus to move; two battery swap mechanisms arranged on the movable base, the two battery swap mechanisms being configured to carry two batteries so that the battery swap apparatus replaces the two batteries at the same time; and an exchange mechanism arranged on the movable base, the exchange mechanism being configured to drive the two battery swap mechanisms to exchange positions. The battery swap apparatus provided by the present application can replace two batteries at the same time, the number of times of traveling in the battery swap process is small, and the battery swap efficiency is high, which solves the problem of low battery swap efficiency at present.

Abstract: Embodiments of the present application provide a battery swapping platform and a battery swapping station. The battery swapping platform may comprise: a guide rail extending along a first direction and used for moving a mobile battery swapping apparatus along the first direction, wherein the guide rail may comprise a first guide rail segment and a second guide rail segment; a first platform that may be rotatable and used for fixing the first guide rail segment; a second platform that may be used for fixing the second guide rail segment, may be provided on the first platform, and rotatable with the first platform; and a translation drive assembly for driving the second platform to move along a second direction perpendicular to the first direction relative to the first platform, so as to move the mobile battery swapping apparatus along the second direction.

Abstract: A connection system is provided for modular luminaires, wherein the luminaires are each provided with at least one tapered pillar projecting from a back, the pillar having a top opening. A coupling arrangement is used for coupling the two luminaires together, in the form of a bridge having first and second tapered openings for fitting over the pillars. A sprung retaining clip projects within each opening for passing through the top opening and thereby gripping the pillar.

Abstract: A connection system for a linear lighting system has channels of adjacent luminaires coupled together by a coupling arrangement having a first plate, a second plate and fixings for clamping the first and second plates around wall portions of the two channels. The fixings are slidable along slots so that the coupling arrangement can be slid into an operable position or to an out-of-the way position for disassembly. One of the first and second plates comprises a spring member having sprung projections for projecting into the apertures, to provide an automatic clamping function when the coupling arrangement is tightened. For example, there may be an outer coupling plate and an inner spring plate which forms the spring member.

Abstract: The present invention relates to a process of fabricating a multi-layer composite structure by 3D printing, said composite structure comprises at least one cured mortar layer formed by curing of a mortar composition, and at least one polyurethane layer formed by polymerization of a first polyurethane forming composition, wherein said mortar composition and said first polyurethane forming composition are dispensed individually and simultaneously via adjacent printing nozzles. The mortar composition is optionally modified by a second polyurethane forming composition.

Abstract: The present disclosure provides a method for monitoring a network status of a Zigbee node. The method includes: acquiring a value of a status tag configured on the Zigbee node, the value of the status tag indicating a current network status of the Zigbee node; and determining that the value of the status tag equals a first preset value and a preset condition associated with the status tag is met. The first preset value indicates that the Zigbee node has joined a Zigbee coordinator but has not joined a gateway. The method also includes: in response to determining that the value of the status tag equals the first preset value and the preset condition is met, restarting the Zigbee node and resetting the value of the status tag to an initial value. The initial value indicates that the Zigbee node has not joined the Zigbee coordinator.

Abstract: A power device includes a power tool, a mounting plate, a mounting table, a positioning assembly, and a locking assembly. The positioning assembly includes a positioning piece. A positioning space is formed between the positioning piece and the mounting table. An end of the mounting plate is enabled to be inserted into the positioning space so that the mounting plate is pre-positioned. The locking assembly includes a movable piece and a locking piece. The movable piece includes a support position where the mounting plate is supported and an unlocked position where support for the mounting plate is released. The locking piece fixes at least the mounting plate to the mounting table.

Abstract: The present invention relates to a pteridinone derivative serving as an EGFR inhibitor and use thereof. Specifically, the present invention relates to a compound represented by the following formula I, pharmaceutical composition comprising the compound of the following formula I, and use of the compound in preparation of drugs for treating EGFR-mediated diseases or inhibiting EGFR.