Abstract: A degradable cellulose nanocrystal-based conductive ink and a preparation method thereof are provided. The preparation method includes: S1, dissolving a cellulose nanocrystal in deionized water to form a mixed solution, and adding a water-resistant modifier into the mixed solution, and subjecting a resulting mixture to ultrasonic full dispersion to obtain a dispersion for later use; S2, dissolving a graphene nanopowder, methyl orange, polyvinyl pyrrolidone (PVP), and pyrrole in deionized water to obtain a suspension for later use; S3, adding an acidified ferric chloride solution and the dispersion dropwise into the suspension, subjecting a resulting mixture to a full reaction, subjecting a resulting hot reaction solution to suction filtration, and drying, and o grinding fully a resulting dried mixture to obtain a conductive filler; and S4, mixing the conductive filler, terpineol, glycerol, and PVA fully to obtain the degradable cellulose nanocrystal-based conductive ink.

Abstract: The present invention discloses a packaging box that displays different images when open and closed, which comprises an outer box body and an inner box body. A display window is provided on the upper face of the outer box body. Different images are displayed in the display window on the unfolded surface or the closed surface. The unfolded surface is fixed in the display window. Opening and closing the inner box body drives the lateral movement of the closed surface to display the image on the unfolded surface or the image on the closed surface in the display window. The invention also discloses a preparation method and application of the packaging box.

Abstract: The present disclosure belongs to the technical field of lithium battery cathode materials, and discloses a preparation method of multiple carbon-coated high-compaction lithium iron manganese phosphate, comprising the following steps: (1) synthesizing a carbon and vanadium co-doped ferromanganese phosphate precursor through a co-precipitation method, sintering, and removing crystal water to obtain an anhydrous ferromanganese phosphate precursor; (2) adding lithium phosphate, a supplemental phosphorus source, an organic carbon source, a dopant and deionized water, and performing ball milling, wet sanding, spray drying and sintering to obtain an intermediate material; and (3) adding deionized water and the organic carbon source, then performing ball milling, sanding, spray drying, sintering and air jet pulverization to obtain multiple carbon-coated high-compaction lithium iron manganese phosphate.

Abstract: The present disclosure relates to the technical field of lithium ion battery cathode materials, and particularly discloses a method for preparing a carbon-coated lithium iron phosphate material from ferrous phosphate. The method comprises: mixing self-made ferrous phosphate with a carbon source, and sintering at a low temperature under nitrogen to remove a part of crystal water to obtain carbon-coated ferrous phosphate with a small amount of crystal water; evenly mixing ferrous phosphate with a lithium source, a phosphorus source and multiple carbon sources, and adjusting until a proper iron-to-phosphorus ratio is 0.960-0.975 and a carbon content is 1.5%-1.8%; subsequently drying slurry to obtain material powder; and sintering the material powder through a two-stage temperature rising curve, naturally cooling and then pulverizing to obtain the carbon-coated lithium iron phosphate material.

Abstract: The embodiments herein describe a communication protocol (which can be implemented in hardware or software) that provides efficient recover packet loss and can transit large messages in a complex network environment. In one embodiment, each data packet contains an encoded universal sequence which is unique across the sends, which enables cross-sender loss recovery. A receiver can include a transmission control module that controls the receiving buffer and maintains the buffer status and the sender's status. The transmission control module stores incoming packets to the correct position in the receiving buffer and generates acknowledgement notifications. The transmission control module also handles packet loss and out-of-order receiving of the packets containing the transactions.

Abstract: Embodiments herein describe a hardware accelerator for a blockchain node. The hardware accelerator is used to perform a validation operation to validate one or more transactions before those transactions are committed to a ledger of a blockchain. The embodiments herein describe an out-of-order validation scheme where a collector is used to collect validated transactions out of order. Thus, if a validation pipeline has finished validating a later transaction before another validation pipeline has finished validating an earlier transaction, the pipeline can nonetheless send its results to the collector and retrieve another transaction from a scheduler. In this manner, the downtime for the validation pipelines is reduced or eliminated.

Abstract: The present disclosure belongs to technical field of cathode materials of lithium batteries, and discloses a preparation method of high-safety high-capacity lithium manganese iron phosphate.

Abstract: A non-stop constant-speed efficient winding machine for separator relates to the technical field of lithium ion cell manufacturing. The non-stop constant-speed efficient winding machine for separator includes a base plate, an electrode feeding mechanism, a winding mechanism, a separator cutting mechanism, and a separator compounding mechanism. The winding mechanism includes a winding head and three winding needles rotatably provided on the winding head. By additionally providing the separator compounding mechanism between the electrode feeding mechanism and the winding mechanism, thermal compounding of the separator is realized, and through rolling separator cutting of the separator cutting mechanism, the separator cutting is realized. The winding needle located at the winding position can adsorb a separator end after the cutting, and wind the separator end on an outer circumferential surface of the corresponding winding needle.

Abstract: The invention concerns a method for analyzing the leaf group composition of a cigarette sample based on tobacco thermal characteristics, which comprises the following steps: (1) Preparing a to-be-analyzed cigarette sample and single-grade tobacco samples; (2) Collecting thermal analysis spectra of the cigarette sample and the single-grade tobacco samples; (3) Using a thermal analysis mapping algorithm to obtain the tobacco leaf composition and proportion of the cigarette sample. The method of the invention can complete the composition analysis of an unknown cigarette in a few minutes, and can obtain a clear formula composition and proportion value that is objective, efficient, versatile, has good repeatability and high sensitivity, and has unique advantages in cigarette analysis in the tobacco industry.

Abstract: The invention concerns a method for analyzing a cigarette leaf composition, including the following steps: (1) preparation of a cigarette sample to be analyzed and single-grade tobacco leaf samples; and (2) collection of a thermal analysis spectrum to obtain the composition and proportion of the tobacco leaves in the cigarette to be analyzed. The method can complete the analysis of the composition of finished cigarettes in a few minutes, and can obtain a clear formula of the composition and proportion values. It is objective, efficient, highly sensitive, versatile, and has good repeatability. It has unique advantages in the analysis of finished cigarette compositions in the tobacco industry.

Abstract: The invention concerns a method for analyzing cigarette leaf components based on fusion mapping, including the following steps: (1) Preparation of a cigarette sample to be analyzed and single-grade tobacco leaf samples; (2) Construction of a fusion map for the cigarette sample to be analyzed and the single-grade tobacco leaf samples; (3) Analysis of the fusion map to obtain the composition and proportion of the tobacco leaves in the cigarette to be analyzed. The method can complete the analysis of the composition of finished cigarettes in a few minutes, and can obtain a clear formula composition and proportion values. It is objective, efficient, highly sensitive, and has good repeatability. It has unique advantages in the analysis of finished cigarette compositions in the tobacco industry.

Abstract: This disclosure provides systems and methods related to a Pt/TiO2 catalyst. In one aspect water with a platinum precursor dissolved therein is mixed with TiO2 nanoparticles. The TiO2 nanoparticles with the platinum precursor disposed thereon are heat treated in air to form platinum oxide nanoparticles disposed on the TiO2 nanoparticles. The TiO2 nanoparticles are deposited on a TiO2 substrate to form a structure. The structure is reduced to form platinum nanoparticles disposed on the TiO2 nanoparticles, including: heat treating the structure at about 375° C. to 450° C. with hydrogen being present; cooling the structure from about 375° C. to 450° C. to about 350° C. at about 2° C./minute with hydrogen being present; and cooling the structure from about 350° C. to room temperature at about 1° C./minute to 5° C./minute with hydrogen being present. After the reduction operation, the structure is heat treated in an atmosphere including methylcyclohexane.

Abstract: A method for processing data exactly once using transactional stream writes includes receiving, from a client, a batch of data blocks for storage on memory hardware in communication with the data processing hardware. The batch of data blocks is associated with a corresponding sequence number and represents a number of rows of a table stored on the memory hardware. The method also includes partitioning the batch of data blocks into a plurality of sub-batches of data blocks. For each sub-batch of data blocks, the method further includes assigning the sub-batch of data blocks to a buffered stream; writing, using the assigned buffered stream, the sub-batch of data blocks to the memory hardware; updating a storage log with an intent to commit the sub-batch of data blocks using the assigned buffered stream; and committing the sub-batch of data blocks to the memory hardware.

Abstract: A method for processing data exactly once using transactional stream writes includes receiving, from a client, a batch of data blocks for storage on memory hardware in communication with the data processing hardware. The batch of data blocks is associated with a corresponding sequence number and represents a number of rows of a table stored on the memory hardware. The method also includes partitioning the batch of data blocks into a plurality of sub-batches of data blocks. For each sub-batch of data blocks, the method further includes assigning the sub-batch of data blocks to a buffered stream; writing, using the assigned buffered stream, the sub-batch of data blocks to the memory hardware; updating a storage log with an intent to commit the sub-batch of data blocks using the assigned buffered stream; and committing the sub-batch of data blocks to the memory hardware.

Abstract: A method for carrier network integration through a user proxy interface includes receiving a request from a mobile device associated with a subscriber of a carrier provider to establish voice services with the carrier provider for a companion device linked to the mobile device. The request includes a subscriber identifier of the mobile device. The method also includes authenticating the companion device based on the subscriber identifier, obtaining session initiation protocol (SIP) credentials corresponding to the subscriber identifier, and registering the SIP credentials for the companion device at a network interface proxy. The network interface proxy is in communication with an internet protocol multimedia subsystem (IMS) of the carrier provider and the companion device. The method also includes establishing voice services between the companion device and the IMS through the network interface proxy using the SIP credentials.

Abstract: Platinum complexes having ferrocene ligands for the catalysis of the alkoxycarbonylation of ethylenically unsaturated compounds.

Abstract: A method for carrier network integration through a user proxy interface includes receiving a request from a mobile device associated with a subscriber of a carrier provider to establish voice services with the carrier provider for a companion device linked to the mobile device. The request includes a subscriber identifier of the mobile device. The method also includes authenticating the companion device based on the subscriber identifier, obtaining session initiation protocol (SIP) credentials corresponding to the subscriber identifier, and registering the SIP credentials for the companion device at a network interface proxy. The network interface proxy is in communication with an internet protocol multimedia subsystem (IMS) of the carrier provider and the companion device. The method also includes establishing voice services between the companion device and the IMS through the network interface proxy using the SIP credentials.

Abstract: A method of identifying tobacco carbonyl components using non-targeted mass spectrometry is disclosed, which includes the following steps: (1) preparing a tobacco sample extract; (2) derivatizing (part of) the sample/extract with 2,4-dinitrophenylhydrazine (DNPH); (3) derivatizing (another part of) the sample/extract with DNPH-d3; (4) mixing the derivatized tobacco samples; (5) preparing blank samples; (6) performing ultra performance liquid chromatography (UPLC) and ion trap (Orbitrap) high resolution mass spectrometry (HRMS) on the (derivatized) tobacco samples; (7) processing the LC-MS data; (8) filtering the mass spectrometric characteristic data to retain final chromatographic peaks; and (9) structurally annotating or identifying the retained final chromatographic peaks to obtain the tobacco carbonyl components.

Abstract: A variable-diameter adsorption winding needle mechanism and a winding machine are provided. The variable-diameter adsorption winding needle mechanism includes a winding needle assembly, a first adsorption winding needle, a second adsorption winding needle and a pin assembly. A plurality of adsorption holes are provided on the outer peripheral surfaces of the first adsorption winding needle and the second adsorption winding needle. At the same time, the winding needle assembly is also used to drive, under the driving of the pin assembly, the first adsorption winding needle and the second adsorption winding needle to move close to or away from each other.

Abstract: This disclosure provides systems, methods, and apparatus related to catalysts. In one aspect, a catalyst is a ZnxMy/zeolite catalyst, with ½?x/y?4, and M being a metal from a group Cr, Mo, and W. Zn is an oxide, M is an oxide, and there are at least some ZnMOx oxides.