Abstract: A non-transitory computer readable medium stores a program causing a computer to execute a function of acquiring a security credit rating of a user who operates a terminal used for communication; a function of acquiring a security threat rating for a website that is a communication destination; and a function of controlling the user's communication with the website, based on security policy according to a combination of the credit rating and the threat rating.

Abstract: The present application discloses a thermally insulating aerogel vacuum composite panel and a preparation method thereof. The preparation method includes the following steps: (1) mixing TEOS solution and a metal particle, adding a hydrophobic agent, mixing, adding ammonium trifluoroacetate solution dropwise until completely gelating to obtain a metal aerogel precursor; (2) adding the metal aerogel precursor into an acid replacement solution for replacement for 1-24 h to obtain a gel; (3) washing the gel with deionized water to obtain a neutral gel; (4) soaking the neutral gel obtained in step (3) in a first organic resin solvent; (5) pouring the neutral gel into a substrate with honeycomb structure, and aging for re-gelating to obtain a modified panel; (6) drying the modified panel to obtain a honeycomb panel; and (7) aging the honeycomb panel at room temperature for 1-24 h to obtain the vacuum composite panel.

Abstract: The invention provides compositions and methods for inhibiting tumor growth by up-regulating and/or supplementing SOCS3 in tumor and/or tumor-associated tissues of a subject or in cells in vitro. Compounds capable of up-regulating SOCS3, including flavanones, or otherwise of up-regulating the ACh pathway, e.g., at the NMJ, are identified and provided, as are methods for identifying additional agents as inducers of SOCS3.

Abstract: A transmission control method and an apparatus of multimedia streaming data are provided. The method includes, when an edge server is to transmit a data packet of a video requested by user equipment to the user equipment, and it is a first time that the edge server transmits the data packet according to the request, filtering, by the edge server, the data packet, and transmitting the filtered data packet to the user equipment, otherwise, directly transmitting the data packet to the user equipment, wherein the video includes an on-demand video and a real-time video, and playing, by the user equipment, the video directly according to the received data packet.

Abstract: A macromonomeric stabilizer, a preparation method thereof, a method for preparing a polymeric polyol using same, and the polymeric polyol prepared. Also disclosed are a soft polyurethane foam obtained by foaming a composition of the polymeric polyol prepared and a polyisocyanate, and a molded product comprising the soft polyurethane foam. The preparation method of the macromonomeric stabilizer comprises the following steps: reacting a polyol with a tricarboxylate not comprising a polymerizable ethylenically unsaturated double bond, or a derivative thereof, to form an adduct; and reacting the resulting adduct with an epoxide comprising a polymerizable ethylenically unsaturated double bond. The macromonomeric stabilizer of the present invention has a low viscosity, comprises a plurality of active sites, and can be directly used in subsequent reactions. The preparation method of the macromonomeric stabilizer can be carried out under normal pressure, without the need for end-blocking with ethylene oxide.

Abstract: A method for preparing isophorone diisocyanate by (1) reacting isophorone with hydrogen cyanide in the presence of a catalyst to obtain isophorone nitrile; (2) reacting the isophorone nitrile obtained in step (1) with ammonia gas and hydrogen in the presence of a catalyst to obtain isophorone diamine; and (3) subjecting the isophorone diamine to a phosgenation reaction to obtain the isophorone diisocyanate, wherein the content of impurities containing a secondary amine group in the isophorone diamine that undergoes the phosgenation reaction in step (3) is ?0.5 wt. The method reduces the content of hydrolyzed chlorine in the isophorone diisocyanate product, improves the yellowing resistance of the product, and the harm due to presence of hydrolyzed chlorine in the product is reduced.

Abstract: Provided are methods and apparatuses for navigation guidance and establishing a three-dimensional real scene model, a device and a medium, which relate to the field of artificial intelligence and, in particular, intelligent transportation technologies.

Abstract: An information processing apparatus includes a processor configured to detect an unauthorized communication from an originating terminal by inputting a target query type string of the originating terminal serving as a detection target to a learner that has learned a feature of a query type string of the originating terminal through unsupervised learning with the query type string used as learning data. The query type string includes query types arranged in time sequence and is included in an information request signal that is transmitted to a domain name system (DNS) server in response to a request of the originating terminal.

Abstract: An information processing apparatus includes a processor configured to detect unauthorized access from a subject terminal to a subject host as a result of inputting subject input data into an autoencoder, an Internet protocol address of the subject terminal and an Internet protocol address of the subject host being used as at least part of the subject input data, the autoencoder having performed learning by using learning data, an Internet protocol address of a terminal and an Internet protocol address of a host to which the terminal has connected being used as at least part of the learning data.

Abstract: An information processing apparatus includes a processor configured to input a new domain name, a new Internet protocol (IP) address, and information indicating a name server managing the new domain name to a learner to determine presence or absence of a threat of a new destination host indicated by the new domain name and the new IP address, wherein, by using learning data including a domain name and an IP address indicating a destination host, information indicating a name server managing the domain name, and information on presence or absence of a threat of the destination host, the learner has learned to output the information on the presence or the absence of the threat of the destination host indicated by the domain name and the IP address in response to an input of the domain name, the IP address, and the information indicating the name server managing the domain name.

Abstract: An interface circuit in an electronic device may provide rate feedback. During operation the interface circuit may transmit one or more packets or frames associated with a data stream that are intended for the recipient electronic device, where the data stream is associated with a video encoder. Then, the interface circuit may estimate a communication performance metric associated with at least the transmissions. For example, the estimated communication performance metric comprises an effective capacity associated with a wireless link between the electronic device and the recipient electronic device. Moreover, the effective capacity may be estimated based at least in part on an efficiency of the wireless link. Next, the interface circuit may provide the rate feedback intended for the video encoder based at least in part on the estimated communication performance metric. In some embodiments, when beamforming occurs, the rate feedback may be reset.

Abstract: A preparation method for a silica aerogel, comprising the following steps: A) raw material containing a solid silicon source and an alkaline solution is used to produce an aerogel precursor after mixing; and B) the aerogel precursor is dried to obtain a silica aerogel. An improved silica aerogel preparation method, comprising the following steps: A) a cation exchange resin and a silicate solution are used as raw materials and mixed; B) the mixed material is allowed to stand to obtain an aerogel precursor; and C) the aerogel precursor is dried to obtain a silica aerogel.

Abstract: A wireless device can perform non-line-of-sight detection. The wireless device may establish a wireless link with another wireless device using a wireless channel. The wireless device may perform one or more channel measurements for the wireless channel. The wireless device may determine whether a line-of-sight path is available for the wireless channel based at least in part on the one or more channel measurements. The wireless device may determine whether to trigger beamforming selection, antenna selection, and/or any other link maintenance operations based at least in part on the determined line-of-sight availability.

Abstract: The present invention relates to a recoil reduction air gun and a method of reducing recoil of air guns when discharging. Said recoil reduction air gun comprises a cylinder that is slidably mounted to a main body of said air gun, and a recoil reduction device that is provided between the cylinder and a stock. Said recoil reduction device further comprises a recoil reduction spring seat, a first and a second springs, and a recoil rod.

Abstract: The present disclosure relates to the field of air rifles, and particularly to a gear-type air rifle gear cock structure, including a air cylinder, a gear cock controller, a rack, and a rack reset spring, the gear cock controller is fixedly connected with the air cylinder, and the rack is arranged between the air cylinder and the gear cock controller; the air cylinder includes a air cylinder body, a piston, and a magazine, the air cylinder body has a hollow structure with an air chamber inside, the piston is arranged in the air chamber inside the air cylinder body, the magazine communicates with the air chamber through an outlet pipe; two ends of the rack are a piston fixing end and a spring fixing end respectively, the piston fixing end is connected with the piston through a lug arranged at the piston fixing end, the spring fixing end is connected with the rack reset spring, two ends of the rack reset spring are respectively fixed on the rack and the air cylinder.

Abstract: The present disclosure relates to the field of air rifles, and particularly to a gear-type air rifle gear cock structure, including a air cylinder, a gear cock controller, a rack, and a rack reset spring, the gear cock controller is fixedly connected with the air cylinder, and the rack is arranged between the air cylinder and the gear cock controller; the air cylinder includes a air cylinder body, a piston, and a magazine, the air cylinder body has a hollow structure with an air chamber inside, the piston is arranged in the air chamber inside the air cylinder body, the magazine communicates with the air chamber through an outlet pipe; two ends of the rack are a piston fixing end and a spring fixing end respectively, the piston fixing end is connected with the piston through a lug arranged at the piston fixing end, the spring fixing end is connected with the rack reset spring, two ends of the rack reset spring are respectively fixed on the rack and the air cylinder.

Abstract: An interface circuit in an electronic device may perform wireless link adaptation. During operation the interface circuit may transmit at least two data streams, where a first data stream of at least the two data streams has a higher quality-of-service (QoS) criterion and a lower modulation coding scheme (MCS), and a second data stream of at least the two data streams has a lower QoS criterion and a higher MCS. Then, the interface circuit may estimate a communication performance metric associated with the second data stream. Next, the interface circuit may selectively transmit an MCS probe associated with the second data stream based at least in part on the communication performance metric and the lower QoS criterion. Moreover, in response to receiving feedback information associated with the recipient electronic device and the MCS probe, the interface circuit may modify the first MCS and/or the second MCS.

Abstract: An interface circuit in an electronic device may provide rate feedback. During operation the interface circuit may transmit one or more packets or frames associated with a data stream that are intended for the recipient electronic device, where the data stream is associated with a video encoder. Then, the interface circuit may estimate a communication performance metric associated with at least the transmissions. For example, the estimated communication performance metric comprises an effective capacity associated with a wireless link between the electronic device and the recipient electronic device. Moreover, the effective capacity may be estimated based at least in part on an efficiency of the wireless link. Next, the interface circuit may provide the rate feedback intended for the video encoder based at least in part on the estimated communication performance metric. In some embodiments, when beamforming occurs, the rate feedback may be reset.