Abstract: A liquid reactivity detection device and method. The liquid reactivity detection device includes: a breathing signal acquisition module, a hemodynamic signal acquisition module and a liquid reactivity detection module. The breathing signal acquisition module and the hemodynamic signal acquisition module work in cases where the subject is in any one of the following breathing modes: a spontaneous breathing mode, a spontaneous breathing combined with mechanical ventilation mode, and a mechanical ventilation mode. The hemodynamic signal acquisition module is configured to acquire at least one hemodynamic signal of the subject. The breathing signal acquisition module is configured to acquire at least one breathing signal of the subject. The liquid reactivity detection module is configured to determine the liquid reactivity of the subject according to the breathing signal and the hemodynamic signal.

Abstract: A periscope-type zooming camera module which requires no voice-coil unit includes a light steering device, a lens unit, a light sensing assembly, and a zooming assembly. The light steering device changes transmission direction of light. The lens unit is arranged to receive light from the light steering device; and the light sensing assembly is arranged to receive light from the lens unit. The zooming assembly merely requires different levels of voltage to zoom in and out, adjusting focal length of the lens unit.

Abstract: A resource allocation method is provided, the method includes: receives a resource scheduling request by a first side unit (RSU) sent from a first vehicle to everything (V2X) communication group which comprises vehicles in a same driving direction; allocating communication resources for the first V2X communication group. A road side unit is also provided. By utilizing embodiments of the present disclosure, rationality of resource allocation can be improved, qualities of vehicle communication links and channels in the communication group is stable and a performance of vehicle networking can be fully realized.

Abstract: A grayscale compensation method and apparatus are provided. The grayscale compensation method includes: performing a grayscale compensation data detection on a display panel to obtain a first grayscale compensation data; preforming a grayscale compensation data detection on a backlight module to obtain a second grayscale compensation data; performing a data fusion on the first grayscale compensation data and the second grayscale compensation data to obtain a third grayscale compensation data; and performing a grayscale compensation on the display panel according to the third grayscale compensation data. By calculating the grayscale compensation data of the display panel and the backlight module at the same time, display brightness of the display panel is more uniform. Moreover, before the data fusion, the first and second grayscale compensation data may be reduced in resolution, the data amount of fusion calculation is less and the calculation time and storage space are saved.

Abstract: A grayscale compensation method and apparatus are provided. The grayscale compensation method includes: performing a grayscale compensation data detection on a display panel to obtain a first grayscale compensation data; preforming a grayscale compensation data detection on a backlight module to obtain a second grayscale compensation data; performing a data fusion on the first grayscale compensation data and the second grayscale compensation data to obtain a third grayscale compensation data; and performing a grayscale compensation on the display panel according to the third grayscale compensation data. By calculating the grayscale compensation data of the display panel and the backlight module at the same time, display brightness of the display panel is more uniform. Moreover, before the data fusion, the first and second grayscale compensation data may be reduced in resolution, the data amount of fusion calculation is less and the calculation time and storage space are saved.

Abstract: A lens module includes a lens holder and a lens. The lens holder comprises a through-hole. The lens holder comprises an inner wall surrounding to define the through-hole. A first thread is formed on the inner wall. A second thread is formed on an outer sidewall of the lens. The first thread cooperates with the second thread to fix the lens on the lens holder. At least one first slot is defined on the outer sidewall of the lens and around a periphery of the lens, and a seal ring is received in each first slot. At least one second slot is defined on the outer sidewall of the lens along a direction of an optic axis of the lens. Each second slot passes through each first slot to form a receiving space. The disclosure also provides an electronic device having the lens module.

Abstract: A lens module includes a lens assembly and a lens barrel assembly receiving the lens assembly. The lens barrel assembly includes a lens holder and a lens barrel provided on the lens holder. A light transmission hole is defined passing through the lens holder and the lens barrel. The lens assembly is received in the light transmission hole. A center of the lens barrel is offset from a center of the lens holder.

Abstract: The invention provides a thin film deposition system and a method, and relates to the field of thin film deposition. The deposition method comprises the following steps: 1) heating metal substrate; carrying out deposition. The method is characterized in the step 1) that a current is conducted into the metal substrate at one end of the growth zone by one electrode, and out of the metal substrate at the other end of the growth zone by the other electrode, so that the metal substrate is heated by the heat emitting of the resistant of the metal substrate itself. According to the method, the quality of the prepared thin film is improved, while the preparation cost of the thin film is reduced. In addition, the consistent double-sided thin films can be easily prepared on two surfaces of the metal substrate by employing the system and method.

Abstract: Provided is a method for preparing a carbon nanotube/polymer composite material, including: coating a nano-silicon oxide film on the surface of a porous polymer by vacuum coating; depositing a metal catalyst nano-film on the nano-silicon oxide film by vacuum sputtering; growing a carbon nanotube array in situ on the surface of the porous polymer by plasma enhanced chemical vapor deposition to obtain a carbon nanotube/polymer porous material; and impregnating the carbon nanotube/polymer porous material with a polymer and curing to obtain the carbon nanotube/polymer composite material. By using a heat-resistant polymer having a high heat-resistant temperature and a PECVD technique, a carbon nanotube array directly grows in situ on the surface of a polymer at a low temperature, which thereby overcomes the defects of the composites previously prepared, in which carbon nanotubes are difficult to be homogeneously dispersed and the interfacial bonding force in the composites is weak.

Abstract: Provided in the present disclosure is a type of pyrazolopyrimidine compound as shown in formula (I) or a pharmaceutically acceptable salt thereof, and a preparation method thereof and the use of same in the preparation of a drug for treating or preventing cancers. Such a compound is a new-type PI3K inhibitor and has an excellent inhibitory activity, and can hopefully be used for treating a variety of malignant tumors.

Abstract: The present application relates to a salt of a pyranose-substituted heterocyclic compound, a preparation method therefor, and use thereof, and in particular, to an acid addition salt of a compound of formula (I) or a prodrug thereof, and further relates to D-glucuronate of a crystalline compound of formula (I) or a prodrug thereof. D-glucuronate of a crystalline compound of formula (II) has particular advantages in terms of crystallizability, subsequent purification, stability, formulation medicinal properties or quality control, and is most applicable for improving the formulation pharmaceutical properties, purity and quality control, as well as large-scale process development of such drugs.

Abstract: A method for calculating physiological parameters includes: selecting a section of time domain signal corresponding to at least one signal of red light and infrared light obtained by sampling, and performing a conversion from time domain to frequency domain to obtain a corresponding frequency domain signal; selecting all rational frequency spectrum peak information, calculating energy information of selected reasonable frequency spectrum peaks, and forming a frequency spectrum peak energy ratio sequence; constructing a stability coefficient according to the frequency spectrum peak energy ratio sequence, and if the stability coefficient is low, constructing a compensation coefficient by using the frequency spectrum peak energy ratio sequence; and compensating for at least one of the time domain signal and the frequency domain signal by using the compensation coefficient, and calculating based on at least one of the compensated time domain signal and the frequency domain signal to obtain the physiological param

Abstract: A data packet forwarding method and an apparatus, where the method includes: receiving, by a forwarding device, a first default flow entry of the virtual network from a controller, where the first default flow entry of the virtual network instructs the forwarding device to send a data packet to a specified forwarding device when the forwarding device looks up a first flow table based on a match item of the data packet but no flow entry is hit; receiving, a first data packet from an end system; and when the controller is faulty and the forwarding device looks up the first flow table based on a match item of the first data packet but no flow entry is hit, sending, by the forwarding device, the first data packet to the specified forwarding device using the first default flow entry of the virtual network.

Abstract: A primary node of a seafloor observatory network based on constant current power supply is provided. The primary node is connected in series to a submarine cable of a backbone network. The primary node is connected to a shore station and an adjacent primary node by submarine cable terminal boxes, respectively. The primary node includes an underwater power supply and a communication control module. The underwater power supply is used for converting constant current power provided by the shore station into power for the primary node and some backup power, and outputting direct-current constant voltage power for the communication control module, and is further used for controlling the primary node to access and exit from the network. The communication control module is used for monitoring the internal state of the primary node by control system backup, and sending the state information and data to the shore station.

Abstract: A primary node of a seafloor observatory network based on constant current power supply is provided. The primary node is connected in series to a submarine cable of a backbone network. The primary node is connected to a shore station and an adjacent primary node by submarine cable terminal boxes, respectively. The primary node includes an underwater power supply and a communication control module. The underwater power supply is used for converting constant current power provided by the shore station into power for the primary node and some backup power, and outputting direct-current constant voltage power for the communication control module, and is further used for controlling the primary node to access and exit from the network. The communication control module is used for monitoring the internal state of the primary node by control system backup, and sending the state information and data to the shore station.

Abstract: A communication resource allocation method, an allocation device, a base station and a terminal are provided. The communication resource allocation method includes: determining a service type of a current service when a service bearer is established; determining granularity information of time-frequency resource and a frequency domain resource range corresponding to the service type according to the service type of the current service; and transmitting the granularity information of the time-frequency resource and the frequency domain resource range corresponding to the service type to a terminal that requests to establish the service bearer.

Abstract: A first electrical connector is provided that comprises a base body, a plurality of first conductive members, two first magnetic attraction members and an elastic waterproof member. The conductive members are fixed to the base body. Each first conductive member has a mating end extending upwardly beyond an upper surface of the base body and a tail end extending out downwardly. The two attraction members are fixed to the base body, and respectively arranged at both sides of the conductive members. The elastic waterproof member is fixed on the upper surface of the base body. The elastic waterproof member is provided with a plurality of through holes, the mating ends of the conductive members correspondingly pass through the plurality of through holes and protrude upwardly. An electrical connector assembly comprises the first electrical connector and a second electrical connector adapted to cooperate therewith.

Abstract: An uplink transmission method and a base station are provided The method includes: determining, by the base station, a time length of a single transmission time interval t and a time delay correction value k corresponding to a service type, sending uplink grant signaling to a terminal, and indicating uplink transmission information of uplink data in the uplink grant signaling; informing the terminal of duration information of the single transmission time interval t, information of the time delay correction value k and the uplink transmission information; receiving the uplink data transmitted by the terminal according to the duration information of the single transmission time interval t, the information of the time delay correction value k and the uplink transmission information, to implement an uplink transmission. The technical solution is beneficial for the base station to adjust the uplink scheduling delay, to satisfy the diversified requirements in the future 5G services.

Abstract: A memory fault detection method includes: receiving a first interrupt signal sent when a count value of a first leaky bucket counter of a server reaches a first threshold; disabling an interrupt switch of the first leaky bucket counter; enabling the interrupt switch of the first leaky bucket counter after the interrupt switch of the first leaky bucket counter has been disabled for a preset time and the count value of the first leaky bucket counter is reset to zero; receiving a second interrupt signal sent when a count value of a second leaky bucket counter reaches a second threshold; if the second leaky bucket counter and the first leaky bucket counter are a same leaky bucket counter, and the second rank and a first rank are a same rank, determining that a hardware fault occurs in the first rank.