Abstract: The present invention relates to a ligand-containing conjugated microporous polymer, which is obtained by covalent coupling of a conjugated microporous polymer and a uranium complexing ligand. The conjugated microporous polymer comprises an aromatic ring and/or a heterocyclic ring. The uranium complexing ligand is selected from the group consisting of a compound with a group containing phosphorus, a compound with a group containing nitrogen, and a compound with a group containing sulfur. The invention further provides use of the ligand-containing conjugated microporous polymer as a uranium adsorbent. The ligand-containing conjugated microporous polymer the invention is capable of adsorbing the radioactive element uranium in strongly acidic and strong-radiation environments.

Abstract: A protection path determination method and apparatus based on an elastic optical network are provided. The method includes: searching a virtual working topology for a virtual working link satisfying a condition on receipt of a routing request of a target service; updating a residual bandwidth of the virtual working link if the virtual working link is found; otherwise, creating a working link for the target service and creating a virtual working link in the virtual working topology; searching a virtual protection topology for a virtual protection link satisfying a condition according to a shared path protection mechanism; updating a residual bandwidth of the virtual protection link if the virtual protection link is found; otherwise, creating a protection link for the target service according to the shared path protection mechanism and creating a virtual protection link in the virtual protection topology.

Abstract: Disclosed are a lithium salt/polyacrylonitrile/thermosetting resin composite material and a preparation method therefor. 100 parts of polyacrylonitrile and 550-1100 parts of N,N-dimethyl formamide by mass are stirred at a temperature of 25° C.-80° C., and a uniform and transparent polyacrylonitrile solution is obtained; further, 8-36 parts of a lithium salt is added; and the mixture is stirred until a uniform and transparent lithium salt/polyacrylonitrile solution is obtained. A heat-curable resin is added to the lithium salt/polyacrylonitrile solution, and is uniformly mixed. The obtained composite solution is made into a film, and a lithium salt/polyacrylonitrile/thermosetting resin composite material is then obtained after curing and post-treatment.

Abstract: Titanium dioxide/sulfonated graphene oxide/silver nanoparticle composite membrane and its preparation method and application are disclosed. Mixing graphene oxide, sodium chloroethanesulfonate, and sodium hydroxide uniformly in the water, and then adding concentrated nitric acid to obtain sulfonated graphene oxide; mixing the aqueous solution of said sulfonated graphene oxide with the aqueous solution of silver nitrate, stirring in the dark, then adding ascorbic acid, and continuing to stir to obtain a silver nanoparticle/sulfonated graphene oxide composite material; dispersing said silver nanoparticle/sulfonated graphene oxide composite material in water, and then deposited on said titanium dioxide nanorods arrays by vacuum deposition, and vacuum dried to obtain titanium dioxide/sulfonated graphene oxide/silver nanoparticle composite membrane.

Abstract: A method and an apparatus for detecting a cylinder and a cylindrical converging lens are disclosed. In particular, a method for non-contact interference detection of a cylindrical shape is disclosed. Two converging lenses which modulate parallel light into cylindrical waves are combined with a to-be-tested cylinder respectively. Wavefront error data of the combination of the converging lens and the to-be-tested cylinder and wavefront error data of the combination of the two cylindrical converging lenses are obtained. Shape error data of the to-be-tested cylinder, the two cylindrical converging lenses is obtained respectively by using a difference algorithm and a wavefront recovery algorithm. In the technical solution, a detection light path is simple, and shape detection of a cylinder with relatively high precision can be implemented without using a high-precision detection tool calibrated in advance. The technical solution is particularly suitable for cylinder processing in the field of optical processing.

Abstract: A preparation method of carbon nitride modified with perylenetetracarboxylic dianhydride/graphene oxide aerogel composite material includes: (1) preparing carbon nitride nanosheets by calcination using dicyandiamide as raw material; (2) reacting perylenetetracarboxylic dianhydride and carbon nitride nanosheets in imidazole to prepare carbon nitride modified with perylenetetracarboxylic dianhydride; (3) dispersing said carbon nitride modified with perylenetetracarboxylic dianhydride and graphene oxide into deionized water, freeze-drying after the reaction to obtain carbon nitride modified with perylenetetracarboxylic dianhydride/graphene oxide aerogel composite material.

Abstract: The present invention relates to use of an Anaplasma phagocytophilum protein APH1384 as diagnostic antigen for granulocytic anaplasmosis. The protein can remedy the drawback of missed detection of an existing diagnostic antigen P44 for granulocytic anaplasmosis, improve sensitivity of detection for granulocytic anaplasmosis, and facilitate rapid and accurate clinical diagnosis of granulocytic anaplasmosis.

Abstract: A carbon nitride membrane composite material modified by black phosphorus/metal organic framework (MOF) and a preparation method and application thereof to waste gas treatment are disclosed. First, taking urea as a raw material to calcine at a high temperature and prepare porous carbon nitride nanosheet; then carrying out surface carboxylation on the porous carbon nitride nanosheet, and modifying metal organic framework (MOF) on the surface of the porous carbon nitride through a layer-by-layer self-assembling method; stripping block black phosphorus materials into a two-dimensional black phosphorus slice by solvent exfoliation method; mixing the MOF-modified porous carbon nitride material with the two-dimensional black phosphorus material, carrying out suction filtration on the mixture under a vacuum pump to obtain the black phosphorus/MOF-modified carbon nitride membrane composite material.

Abstract: Disclosed is a flexible substrate/liquid electrolyte viscous composite material and preparation method therefor. The preparation method includes: adding a particular percentage by weight of a flexible substrate to a liquid electrolyte solution having a particular concentrate; fully stirring the solution at a particular temperature to dissolve and evenly disperse the substrate, so as to obtain a viscous liquid; and then standing the viscous liquid at a particular temperature for a particular period of time to obtain the material. The material has viscosity due to which the material can actively adhere to the surface of tissue of an organ, the mechanical property matching cardiac muscle, biocompatibility and security, and is used for treating acute and chronic myocardial infarction and heart failures, inhibiting the reconstruction, thinning, and fiberization of a ventricular wall, and improving the myocardial function. In addition, the material also features conductivity, in vivo degradability, and the like.

Abstract: An auxiliary portable photographing device for use in a mobile phone includes an image collection module, a data transmission module and a second power module; the image collection module includes a lens optical unit, an imaging unit and a collection controller connected together; the lens optical unit adopts a lens system of a multistage barrel; the imaging unit adopts a CMOS system; the data transmission module includes an AD converter, a register and a transmission controller connected together; the interface is detachably connected with the connector to achieve detachable connection. The image data collection method performs photographing by the lens optical unit and imaging unit, and the picture photographed is transmitted to the mobile phone to be processed, optimized and displayed. The photographing device is light and portable as compared to conventional portable cameras, and provides better image data as compared to cameras built in the mobile phones.

Abstract: A one-dimensional large-stroke precise positioning platform includes a housing, a cross ball guiding rail, piezoelectric ceramic and an elastic member. The cross ball guiding rail includes a mover guiding rail and stator guiding rails. A first and second fixing member is movable in a containing chamber provided in the housing. In the longitudinal direction of the mover guiding rail, one end of the piezoelectric ceramic is abutted against the first fixing member, and the other end against the second fixing member. The mover guiding rail is fixed on the second fixing member, and the elastic member is fixed on the first fixing member. In the width direction of the mover guiding rail, the two sides of the elastic member are abutted against the inner side surfaces of the containing chamber, and the first fixing member is connected with the second fixing member by a flexible member.

Abstract: The invention discloses a composite material used for catalyzing and degrading nitrogen oxide and its preparation method and application thereof. The invention of the hollow g-C3N4 nanospheres/reduced graphene oxide composite-polymer carbonized nanofiber material is prepared as follow: 1) the preparation of silica nanospheres; 2) the preparation of hollow g-C3N4 nanospheres; 3) the preparation of graphene oxide; 4) the preparation of surface modified hollow g-C3N4 nanoparticles preparation; 5) the preparation of composites; 6) the preparation of composite-polymer carbon nanofiber material. The raw materials used in the process is low cost and easy to get; the operation of the invention is simple and convenient without the use of expensive equipment in the whole process; the composite has high adsorption efficiency of ppb level nitrogen oxide with good repeatability.

Abstract: A freezing temperature controllable spray freezing tower for preparing micron-sized spherical ice particles includes a tower body, an atomization system, a material feeding system, a circulatory air supplying system, a refrigeration system and a tower wall cooling and thermal insulation system. An air storage cavity is formed at a top of the tower body, a freezing chamber is formed inside the tower body, a material collecting chamber is formed at a bottom of the tower body. The atomization system is in communication with the air storage cavity, the material feeding system is in communication with the atomization system, the circulatory air supplying system is in communication with the bottom of the freezing chamber and the refrigeration system respectively, the refrigeration system is connected to the air storage cavity and a tower wall of the tower body. Thus the operation is convenient and simple.

Abstract: A directive color filter and a naked-eye 3D display apparatus are provided. The directive color filter includes a color filter and a directive functional structure layer. The color filter includes multiple light filtering units, and each light filtering unit includes at least three light filtering sub-units with different colors. The directive functional structure layer includes multiple structure units, and each structure unit and one light filtering unit are arranged correspondingly. Each structure unit includes at least three structure sub-units. Each structure sub-unit and one light filtering sub-unit are arranged correspondingly. Each structure sub-unit includes multiple nano diffraction gratings.

Abstract: A moving object detection method and a moving object detection system are provided. The method includes: predetermining a background image corresponding to a scene monitored by a video monitoring device; performing a subtraction processing on a grayscale image to be detected and the background image to acquire a difference image; and binarizing the difference image and determining a moving object in the grayscale image to be detected, where the determining the background image includes: dividing a first grayscale image frame and a second grayscale image frame in a grayscale image frame sequence captured by the video monitoring device into image blocks to acquire a first image block set and a second image block set respectively, and determining the background image using a difference between the first image block set and the second image block set.

Abstract: A design method for a quasi-coarse wavelength division multiplexing optical network is provided. A spectral grid of an optical channel has a pre-set fixed bandwidth, and the pre-set fixed bandwidth is at least 200 GHz. A modulation format of the optical channel is adaptively selected according to actual rate requirements and physical channel conditions, thus selecting an optimal modulation format achieve a tradeoff between the total cost of IP router ports and regenerators and the served number of traffic demand. The above technical solution effectively resolves the technical problems in the prior art of high construction costs and low spectral efficiency of elastic optical networks.

Abstract: The invention relates to a separation, recycling and self-cleaning system of a supercritical fluid dyeing machine. The system includes a supercritical fluid medium reservoir, one or more parallel dyeing units, a high-pressure pump, a primary separator, a secondary separator and a membrane separator sequentially connected. A dyeing medium and residual dye in dyeing units can be efficiently separated and recycled simultaneously, and when the separation and recycling is finished, each dyeing unit can be directly opened so that the dyeing units and products can be cleaned after dyeing, thereby improving the production and processing efficiency of supercritical fluid waterless dyeing and achieving simple operations, complete separation, stability and reliability and a blowback self-cleaning.

Abstract: The present invention provides a device without blocking wireless signals based on impedance matching. The device is constructed by periodically stacking two building materials with different dielectric constants in the same direction. The device without blocking wireless signals based on impedance matching can be designed as a wall body, and can improve wave transmission of microwaves to ensure that wireless signals won't be blocked at any incident angle, thereby achieving the unblocked transmission of wireless signals. Furthermore, compared with metal hole arrays, the component materials of the devices can include polypropylene and concrete, that expands the applications from micro circuit electronic devices to macro walls, and greatly reduces the manufacturing and maintenance cost.

Abstract: The disclosure relates to a cyclic carbonate monomer containing double iodine, a biodegradable polymer prepared thereby and use. The polymer can be obtained by ring-opening polymerization of the cyclic carbonate monomer containing double iodine, without affecting the ring-opening polymerization and without a protection and deprotection process. The polymer which is obtained by ring-opening polymerization of the cyclic carbonate monomer of the present disclosure can be assembled into a nano-vesicle and a micelle as a drug carrier, a biological tissue scaffold or a CT contrast media.

Abstract: A double-sealing type apparatus for collecting spray freeze ice ball particles and a collecting method for the double-sealing type apparatus are provided. The double-sealing type apparatus includes a collector, a collecting trolley, a vacuum pumping device, a heating device, a first sealing pad and a second sealing pad. The collector is arranged on the collecting trolley, and is provided with a collecting port. The collecting port corresponds to a discharging port at the bottom of a freezing tower. A water inlet is further provided at the collecting port, and the water inlet is in communication with a space formed by the aligning of the collecting port and the discharging port. Good sealing performance is achieved in a double-sealing manner including the sealing pads and the ice sealing, so as to smoothly transfer ice balls in the freezing tower.