14results about How to "Meet different application needs" patented technology

This invention discloses a samarium-lanthanum co-doped calcium oxyborate yttrium nonlinear optical crystal material, its preparation method, and its applications. The samarium-lanthanum co-doped calcium oxyborate yttrium nonlinear optical crystal material belongs to the monoclinic crystal system, has a space group of Cm, and a chemical formula of Sm. 0.3 La 0.1 :Y 0.6 Ca4O(BO3)3 has a second harmonic response intensity of 0.89 × KDP, and exhibits transmittance exceeding 80% in the 500–1000 nm and 1600–2400 nm wavelength ranges. It also has a strong absorption peak in the 1000–1600 nm wavelength range. Therefore, the samarium-lanthanum co-doped calcium oxyborate yttrium nonlinear optical crystal can be considered as a nonlinear optical crystal material with broad application prospects in the field of optics.

The invention relates to a silicon-based negative electrode material based on metal oxide coating and preparation and application thereof, and a preparation method of the material comprises the following steps: S1, putting a silicon-based material into a solvent for ultrasonic dispersion to obtain a uniform suspension; s2, adding a metal oxide precursor into the suspension obtained in S1, and carrying out hydrolysis or condensation reaction to generate a continuous metal oxide coating layer on the surface of the silicon-based material in situ; and S3, after the reaction is finished, centrifugally separating, washing and drying the obtained product to obtain the silicon-based negative electrode material, namely a target product. Compared with the prior art, the method provided by the invention is simple in process, low in cost and good in repeatability, and the obtained coated silicon material has excellent structural stability and electrochemical performance and has a wide application prospect in high-energy-density lithium ion batteries and all-solid-state batteries.

The application discloses a method for treating antibiotic wastewater by using a graphdiyne / ferrous indium sulfide nanocomposite to activate persulfate, and the method is characterized by using the graphdiyne / ferrous indium sulfide nanocomposite as a catalyst to activate persulfate for degrading and treating antibiotic wastewater, wherein the graphdiyne / ferrous indium sulfide nanocomposite comprises ferrous indium sulfide nanoparticles, and the nanoparticles are loaded with graphdiyne nanosheets. The method for treating antibiotic wastewater by using the graphdiyne / ferrous indium sulfide nanocomposite to activate persulfate uses the graphdiyne / ferrous indium sulfide nanocomposite as a catalyst, wherein the nanocomposite has many reactive sites, high catalytic activity and good stability, can efficiently activate persulfate with a smaller amount of catalyst, can efficiently remove antibiotics in wastewater, and has the advantages of low cost, high treatment efficiency, good removal effect, green environmental protection and the like, and therefore, the method has important significance for effectively purifying antibiotic wastewater, has high use value and good application prospect.

This application discloses a sealing element, a valve device, and an integrated assembly. The sealing element includes two or more sub-sealing portions, each sub-sealing portion comprising a support member and a sealing body. The sealing body is fixedly connected or limit-connected to the support member. The support member has a communication port. The sealing body includes a first sealing main body and a second sealing main body. The first sealing main body is located on the outer periphery of the support member and surrounds the communication port. The second sealing main body is located on the inner periphery of the support member and surrounds the communication port. The sub-sealing portions are arranged circumferentially along the valve device, and adjacent sub-sealing portions are limit-connected. The structural design of this sealing element can adapt to different customer needs.

This invention provides a modular contactor. The modular contactor includes a drive module, an intermediate connection module, a disconnection module, an upper application interface module, and a lower application interface module. The drive module includes a stationary iron core, a coil, and a control component. The intermediate connection module includes a moving iron core. The disconnection module includes multiple disconnection units. The drive module is detachably connected to a first side of the intermediate connection module to drive the moving iron core under the control of the control component. The disconnection module is detachably connected to a second side of the intermediate connection module opposite to the first side to enable the multiple disconnection units to open or close under the drive of the moving iron core. The upper application interface module is detachably connected to the top of the disconnection module to be electrically connected to the upper stationary contacts of the multiple disconnection units. The lower application interface module is detachably connected to the bottom of the disconnection module to be electrically connected to the lower stationary contacts of the multiple disconnection units.

This invention discloses a distributed, block-based, multi-dimensional storage method and apparatus for seismic data volumes. The method includes: separating the header information from the seismic traces in the acquired seismic volume file and storing the header information in a preset storage space; determining multiple dimensions based on the keywords of the seismic traces to construct a multi-dimensional model; dividing the multi-dimensional model into multiple multi-dimensional data cubes and determining the name of each multi-dimensional data cube, as well as the extreme values ​​of operational values, the total number of location numbers, and the total number of multi-dimensional data cubes in each dimension; storing the multi-dimensional data cubes on a distributed storage system using a mapping algorithm; calculating the physical storage location of the target data based on the acquired target data information, and extracting the target data from the distributed storage system and / or the preset storage space. This method improves data storage flexibility and query efficiency by optimizing the seismic data storage structure and index calculation.

The invention discloses a lanthanum ion doped oxygen calcium yttrium borate nonlinear optical crystal material and a preparation method thereof, the lanthanum ion doped oxygen calcium yttrium borate nonlinear optical crystal material belongs to a monoclinic system, the space group is Cm, the chemical formula is La0.1: Y0. 9Ca4O (BO3) 3, the frequency multiplication coefficient is 2 * KDP, the ultraviolet cut-off edge is less than 200 nm, and no absorption peak with the intensity greater than or equal to 0.2 cm <-1 > exists in the range of 200-2500 nm. Therefore, the lanthanum ion doped yttrium calcium oxide borate crystal can be used as a nonlinear optical material with a wide application prospect in the field of optical parameter chirped pulse amplification.

The utility model discloses a multifunctional dust removal system which comprises a dust removal outer cylinder, a filter cylinder and a dust collection cylinder, wherein the filter cylinder and the dust collection cylinder are respectively connected to the top end and the bottom end of the dust removal outer cylinder; a dust removal core with an opening in the lower end is arranged in the filter cylinder, a dust collection hopper hermetically sleeved with the outer wall of the lower end of the dust removal core is detachably arranged in the middle of the dust collection cylinder, a medium groove close to the outer wall of the dust removal core is formed in the joint of the dust collection cylinder and the dust removal outer cylinder, and a medium filter element is connected in the medium groove. Compared with the prior art, the multifunctional dust removal system has the advantages that the multifunctional dust removal system is small in size, capable of efficiently removing dust and capable of preventing blockage.

The invention discloses a samarium-doped oxygen calcium lanthanum borate nonlinear optical crystal material for pulse amplification and a preparation method and application thereof.The crystal material belongs to a monoclinic system, an m point group and a Cm space group, the chemical formula is Smx: La1-xCa4O (BO3) 3, x is 0.1-0.99, the thermal diffusivity is 0.865 mm / s and 0.531 mm / s at the temperature of 300 K and 600 K respectively, the specific heat capacity is 0.691 J.g <-1 >. K <-1 > and 0.871 J.g <-1 >. K <-1 > at the temperature of 300 K and 600 K respectively, and the samarium-doped oxygen calcium lanthanum borate nonlinear optical crystal material is a samarium-doped oxygen calcium lanthanum borate nonlinear optical crystal material. And the transmittance of the samarium-doped oxygen calcium lanthanum borate crystal material in the range of 500-900 nm and the transmittance of the samarium-doped oxygen calcium lanthanum borate crystal material in the range of 1600-2400 nm reach 85% or above, so that the samarium-doped oxygen calcium lanthanum borate crystal material can be used as a nonlinear optical crystal material with a wide application prospect in a quasi-parametric chirped pulse amplification system.

The invention discloses a low-power-consumption wireless transmission control module and a control method thereof, the low-power-consumption wireless transmission control module comprises a first-path wireless communication unit, a second-path wireless communication unit, a controller and a battery, the first-path wireless communication unit and the second-path wireless communication unit are both connected with the controller, and the battery is connected with the first-path wireless communication unit and the second-path wireless communication unit. The battery provides electric energy for the first wireless communication unit, the second wireless communication unit and the controller. The first wireless communication unit is a wake-up channel and is used for receiving a wake-up signal and triggering the controller; the wireless communication device has the beneficial effects that the power consumption is ultra-low: the wake-up channel and the data transmission channel are separated, so that the data transmission channel with high power consumption is in a closed state at most of time at ordinary times and is only in a wake-up state, and the overall power consumption of the device is greatly reduced; and when the battery is used for supplying power, the maintenance cost is reduced. The method is low in hardware cost, and can be widely applied to various Internet of Things scenes sensitive to power consumption.

The invention discloses a carbon fiber sizing agent and a preparation method and application thereof, particularly relates to the technical field of carbon fiber sizing agents, and is characterized in that the carbon fiber sizing agent is prepared from epoxy resin and auxiliaries, the epoxy resin is at least one of bisphenol A epoxy resin or phenolic aldehyde modified epoxy resin, and the auxiliaries are epoxy resin. The auxiliaries comprise a flexibilizer, a soaking agent, a softening agent, a moisture absorbent and an emulsifier, the flexibilizer is one or more of polyether polyol or hydroxyl-terminated polybutadiene, the soaking agent is a nonionic surfactant, the softening agent is one or more of fatty acid ester or fatty acid amide, and the moisture absorbent is one or more of polyisobutylene or polyisobutylene. The moisture absorbent is one or more of glycerol or sorbitol, the emulsifier is a nonionic surfactant, the concentration of the sizing agent is easy to control, the binding force between the sizing agent and the carbon fiber surface is strong, and the compatibility between the sizing agent and a resin matrix is good.

The utility model relates to the technical field of intelligent control, in particular to a posture detection circuit and an intelligent terminal. According to the attitude detection circuit, a hardware circuit of the attitude detection circuit is improved, the filter circuit is arranged, and the characteristics of the filter circuit can be changed by adjusting the values of a resistor and a capacitor, so that different application requirements are met. Meanwhile, in combination with the characteristics of signal acquisition of the attitude detection unit, the filtering unit can filter interference signals to the greatest extent, so that the attitude detection accuracy is improved, the interference signals can be filtered to a great extent, and the situation that the control unit generates wrong reminding information due to signal interference is avoided; therefore, the interference to the user in the use process is reduced, and the use experience is improved.

The invention relates to the technical field of polymer chemical synthesis, in particular to a preparation method of methoxy polyethylene glycol methacrylate or methoxy polyethylene glycol acrylate. A two-step synthesis method is adopted and comprises the following steps: firstly, carrying out ethoxylation reaction on methacrylic acid or acrylic acid and ethylene oxide in the presence of a catalyst to generate a methacrylic acid polyethylene glycol ester intermediate or an acrylic acid polyethylene glycol ester intermediate; and carrying out end capping on the intermediate, alkali and halomethane through a Williamson ether synthesis reaction to obtain high-purity methoxy polyethylene glycol methacrylate or methoxy polyethylene glycol acrylate. The invention overcomes the problems of high reaction temperature, low conversion rate, insufficient product purity and easy polymerization of methacrylate or acrylate in the traditional transesterification method, and overcomes the defects of long synthetic route steps and high cost in the prior art. The method has the advantages of mild process conditions, controllable molecular weight and high product purity, and is suitable for the fields of biomedical materials, cosmetics, polymer emulsifiers and the like.

The invention relates to the technical field of high polymer materials, in particular to a butyl acrylate-based high polymer dispersant for polyimide foam as well as a preparation method and application of the butyl acrylate-based high polymer dispersant. The dispersing agent is prepared from butyl acrylate (BA), methyl methacrylate (MIMA), polyethylene glycol monomethyl ether acrylate (PEG400MEA), hydroxyethyl methylacrylate (HEMA) and functional monomers through free radical polymerization reaction, wherein the mass percent of each monomer is as follows: 20%-40% of BA, 10%-25% of MMA, 35%-60% of PEG400MEA, 3%-10% of HEMA and 1%-5% of functional monomers. The functional monomer is one or more of acrylic acid, methacrylic acid, sodium p-styrene sulphonate or N-hydroxymethyl acrylamide. In the preparation process, peroxide or an azo substance initiator is adopted, and free radical reaction is carried out under the protection of inert gas. The dispersant belongs to anionic macromolecules, the weight-average molecular weight is 5000-50000, and the molecular weight dispersion coefficient (PDI 1.2-2.5).