35results about How to "Guaranteed structural properties" patented technology

The present invention relates to repair of thin belt continuous casting crystallizing roller, and is especially crystallizing roller surface repairing and regenerating technology. Cold aerodynamic spraying method is adopted, in which compressed gas carrying metal particle is made to bump the surface of the crystallizing roller in enough high speed so as to make the miniature metal particle produce sufficient deformation for adhering onto the surface of the crystallizing roller and to regenerate the outer surface of the crystallizing roller. The repairing coating and the crystallizing roller body contact closely and the homogeneous and compact coating constitutes the excellent surface heat conducting layer. The technological process of the present invention realizes the metal deposition at low temperature state without heat influence on the powder metal structure, re-crystallization of the base body and coating material, no adsorbed oxygen and no oxidation of metal powder.

The invention relates to a structured document communication system between multiple processes, comprising: structured document processing equipment, which is used to generate structured documents and carry out dynamic operations on the documents, generation of mapping relationships of the communication information, and update the structured documents, wherein preconditions of the functions realizing are successful establishment of shared memory by a memory and privilege management equipment and successful authorization of communication processes; the memory and the privilege management equipment, which are used to establish and manage the shared memory, and manage operation application authority of the processes; a communication terminal, which is used to send communication information of the node and receive communication information from other nodes Which preconditions of the functions realizing are successful establishment of the documents by the structured document processing equipment and finish of operating the document, and part of the functions of the communication terminal is further activated by accidents generated by the structured document processing equipment. The system in the invention has versatility that enables multiple processes to realize priority communication of the most important data, rapid multiple data communication and a characteristic of data structuralization in a communication process.

The invention discloses a high-permeability renewable energy cluster division method considering flexibility. The method comprises establishing a flexibility supply and demand model; based on flexibility balance demand and flexibility balance time characteristics, providing a cluster flexibility supply and demand balance index and a flexibility balance time index respectively; and by combining a modularity index reflecting cluster structure characteristics, establishing a cluster division index system considering cluster flexibility balance dynamic characteristics. The advantages are that thesource network load flexibility resource adjustment capability can be fully considered and the node coupling structure characteristics are comprehensively considered, so that cluster autonomy capability is given full play to, a cluster is reasonably divided, the cluster flexibility demand is reduced, and the speed and accuracy of operation and regulation of a power distribution system under the background of increasing complex high-permeability renewable energy access are improved favorably.

The invention relates to the technology of artificial antigen synthesis, and aims to provide a synthetic method for artificially coupling antigen through aflatoxin B1-carrier proteins. The method comprises two steps: firstly, forming aflatoxin B1 oxime with an active group through the effect with carboxymethoxylamine hemihydrochloride, and preparing an artificial antigen conjugate of aflatoxin B1 and carrier proteins through a carbodiimide synthesis method, carrying out covalent coupling on the aflatoxin B1 oxime and the carrier proteins, and finally performing dialysis and freeze drying on the product to obtain the aflatoxin B1 artificial coupling antigen. The method is mild in reaction condition, simple, practicable, short in coupling time consumption and low in cost, and is easy for large-scale production and popularization and application; the synthetic product is good in stability and appropriate in coupling ratio, and is unlikely to be degraded for long-term storage; and the synthetic product has higher immunogenicity, can prepare a monoclonal or polyclonal antibody for specifically recognizing aflatoxin B1, and has important meanings for establishing aflatoxin B associated immunological detection methods.

The invention belongs to the technical field of silicon dioxide optical membrane stress regulation, and in particular relates to a method for regulating and controlling ion beam sputtered silicon dioxide optical membrane stress. According to the method, the size of oxygen flow in the ion beam sputtering process is adjusted so as to control the stress of an SiO2 membrane on the premise that the on-crystal micro structure and the optical property of the membrane are ensured, and thus the method is applied to the fields of super-low consumption laser membranes and high-damage threshold laser membranes. According to the scheme, after a substrate is subjected to chemical washing, ultrasonic wave washing and ion beam bombardment washing in sequence, the size of the oxygen flow is adjusted under the condition that other parameters are not changed in the preparation process, so that the stress of a prepared silicon dioxide membrane is effectively controlled, and the silicon dioxide membrane can meet the application in the fields such as super-low consumption laser membranes and high-damage threshold laser membranes.

The invention relates to an inter-process structured document communication method. The method comprises: searching a shared memory zone of local communication nodes by a communication process, submitting the application for creating a shared memory for communication and creating a structured document object if the zone does not exist, registering the content needed to be communicated in the process after the application is responded, and serializing the document; storing the serialized document into the shared memory zone, carrying out application for operation, and waiting for response till authorization is acquired; after being authorized, deserializing the acquired structured document object in order to acquire document content, and reading and writing the structured document and saving the document according to a demand; then serializing the modified structured document, and releasing operation authority; and submitting network communication application by the communication process to realize inter-process structured document communication. The method of the invention is used for multi-process communication in one node or between different nodes, has versatility, and can guarantee the realization of priority communication of the most important data and rapid communication of mass data as well as data structuralization in the multi-process communication process.

The invention relates to an intravascular stent technology, and discloses an artery drug eluting stent based on the 3D printing technology and a preparation method thereof. The stent comprises a plurality of stent beams, and a stent body is made of metal materials; seen from the section of the stent, the stent comprises a solid structure body and a drug carrying body of a porous structure, the drug carrying body is located on the side, facing the vascular wall, of the stent, the drug carrying body comprises a surface layer on the outer surface and the internal porous structure, the surface layer is provided with a plurality of release holes, and the stent body is integrally formed through the 3D printing technology. By applying the stent, restenosis and stent thrombosis caused by the defect of the stent technology can be effectively avoided, the 3D printing technology can achieve the stent metal porous structural design, and the innovative thinking of drug carrying inside the stent canbe completed.

The present invention relates to process of making integrated vacuum chamber for vacuum refining apparatus. The making process of integrated vacuum chamber includes the separate machining of two chamber sections, including one upper section of 3000-3400 mm height and one lower section, in a common large floor-type milling and boring machine; the subsequent butt welding of two sections and annealing; and final ultrasonic or ray detection. The making process has the advantages of low production cost and high production efficiency.

The invention relates to a preparation method of a core-shell structure Fe2O3-CeO2 / (Al@C) high-temperature composite phase-change heat accumulation oxygen carrier and belongs to the technical field ofhigh-temperature composite phase-change heat accumulation oxygen carriers. The preparation method adopts a sol-gel method; Ce is used as an auxiliary agent and Al2O3 is used as an inert carrier; cations of cerium, iron and aluminum in a solution are effectively combined and attached on a core-shell structure Al@C composite phase-change heat accumulation material through the effect of a complexingagent, so that the Al@C composite phase-change heat accumulation material is packaged and structural characteristics of the material are kept, and the Fe2O3-CeO2 / (Al@C) heat accumulation oxygen carrier is obtained. The core-shell structure Fe2O3-CeO2 / (Al@C) high-temperature composite phase-change heat accumulation oxygen carrier is composed of an inner core phase-change heat accumulation materialaluminum, inner-layer Al2O3-NiO, middle-layer carbon fibers and a shell Fe2O3-CeO2 oxygen carrier; a plurality of types of shell layers are combined so that the structure of the heat accumulation oxygen carrier is more stable and a covering layer of a shell body is more dense; furthermore, aluminum with a fused state of an inner core can be effectively prevented from leakage; meanwhile, the core-shell structure high-temperature composite phase-change heat accumulation oxygen carrier can effectively and reasonably utilize energy, the heat transfer is enhanced, the heat efficiency is improved and the efficient catalysis is promoted.

The invention discloses a one-step spectral clustering method based on spectral rotation, which relates to the field of computer big data information technology, and solves the technical problem thata spectral clustering method with simplified steps of spectral clustering and high clustering accuracy is provided. Means clustering optimization and transformation matrix learning are integrated intoa framework, using the reduced dimension feature space of the original dataset to learn the relationship matrix by analyzing the original k-Means result to find the better clustering partition hyperplane, and get the better clustering partition result. The invention simplifies the spectral clustering step, the clustering time complexity of the large data is linear, and the coding only relates toa simple mathematical model, which is easy to implement and has high clustering accuracy.

The invention discloses a network information propagation method based on length constraint and no repetition path, and mainly solves the trust propagation problem of users in a social network. The method comprises the following steps: 1, establishing a trust network diagram model; 2, determining intermediate network nodes; 3, selecting an optimal path; 4, calculating a network node information value; 5, propagating network messages; and 6, discarding the untrusted network information. By establishing the trust network graph model and selecting the optimal path, the structure attribute of thetrust network is effectively maintained, and the availability of the trust network is improved. According to the method, the network information acceptance degree from the starting node to the terminal node is calculated by using the total number of the non-repetitive paths with the length from the optimal path starting node to the terminal node, and the accuracy of the network information betweenthe nodes is effectively improved while the integrity of a trusted network is ensured.

The invention discloses a single-ion-doped white fluorescent powder applied to WLED devices, the chemical formula of which is: A 3 B'B'' 2 o 9 : x RE 3+ , A is an alkaline earth metal, B' is a low-valence transition metal, and B'' is a high-valence transition metal; x is the dopant ion molar ratio coefficient, and the value ranges are: 0.001≤ x ≤0.999;RE 3+ For trivalent dopant ions, selected from Sm 3+ 、Tm 3+ 、Eu 3+ , Ga 3+ , La 3+ 、Sc 3+ , Y 3+ . The white phosphor powder for WLED of the present invention, on the premise of ensuring the structural characteristics, finds a new type of single-matrix white phosphor powder doped with a single trivalent ion, and the obtained material has a high luminous intensity of warm white light, and It has broad emission (400nm‑850nm) and high color rendering with good color stability.

The invention discloses a preparation method of aerogel glass. The preparation method comprises the following steps: weighing raw materials including aerogel powder and a methyl methacrylate matrix according to weight, adding the prepared methyl methacrylate matrix into a reaction kettle, stirring to convert the methyl methacrylate matrix into a prepolymer, so that the conversion rate of the prepolymer reaches 25-35%, adding the weighed aerogel powder into the prepolymer with the conversion rate of 25-35%, continuously stirring and uniformly mixing to form a mixed prepolymer, enabling the conversion rate of the mixed prepolymer to reach 50%, filtering the mixed prepolymer, then adding the filtered mixed prepolymer into a mold, and carrying out vibration exhausting, promoting final polymerization until the mixed prepolymer in the mold is in a gel state, and continuously heating and keeping the temperature, so that the mixed prepolymer in the gel state forms formed aerogel organic glass.According to the preparation method, aerogel particles of various specifications are uniformly mixed with the organic glass prepolymer, so that the aerogel organic glass which is low in heat conductivity coefficient, high in mechanical strength, good in sound absorption and noise reduction effect and convenient to mount and use is obtained.

Firstly, four raw materials, namely hafnium salt, a lithium source, a phosphorus source and an iron source, are mixed and subjected to heat treatment to obtain hafnium-doped lithium iron phosphate; secondly, the lithium iron phosphate precursor is re-placed into a mixed solution of aluminum nitrate, urea and glucose for secondary dispersion and mixing, and hydrothermal reaction is performed; and finally, the hydrothermal product is cleaned, dried and calcined to obtain the aluminum oxide coated hafnium / nitrogen co-doped lithium iron phosphate positive electrode material. The method has the advantages of simple process steps, short flow, adjustable morphology and structure and the like in the aspect of preparing the lithium iron phosphate positive electrode material. The prepared lithium iron phosphate positive electrode material has obvious advantages in the aspects of high-rate performance, cycle index, energy density and other electrochemical properties, the performance is more stable, the equipment requirement of the whole route is low, the process stability is good, and the material has important industrial popularization and application value.

The invention relates to an intravascular stent technology, and discloses an artery medicine elution stent made of a bioabsorbable material and preparing method of the artery medicine elution stent. The stent comprises multiple stent beams, and a stent body is made of bioabsorbable water soluble resin or a water soluble polymer; in the aspect of the cross sections of the stent beams, the stent comprises a solid structural body and a medicine carrier of a porous structure, the medicine carrier is located at the side, facing the blood vessel wall, of the stent and comprises a surface layer of the outer surface and the porous structure inside, the surface layer is provided with multiple releasing holes, and the stent body is integrally formed according to a 3D printing technology. By means ofthe 3D printing technology, the porous structural design of the stent can be achieved, and an innovative thought of medicine carrying inside the stent can be completed. Restenosis and thrombus in thestent can be effectively prevented from being caused due to a stent technological defect.

The invention relates to a structured document communication system between multiple processes, comprising: structured document processing equipment, which is used to generate structured documents and carry out dynamic operations on the documents, generation of mapping relationships of the communication information, and update the structured documents, wherein preconditions of the functions realizing are successful establishment of shared memory by a memory and privilege management equipment and successful authorization of communication processes; the memory and the privilege management equipment, which are used to establish and manage the shared memory, and manage operation application authority of the processes; a communication terminal, which is used to send communication information of the node and receive communication information from other nodes Which preconditions of the functions realizing are successful establishment of the documents by the structured document processing equipment and finish of operating the document, and part of the functions of the communication terminal is further activated by accidents generated by the structured document processing equipment. The system in the invention has versatility that enables multiple processes to realize priority communication of the most important data, rapid multiple data communication and a characteristic of data structuralization in a communication process.

The invention relates to the technical field of petroleum delivery devices, and particularly relates to an anti-corrosion diversion petroleum delivery pipeline. The anti-corrosion diversion petroleumdelivery pipeline includes a pipe; the pipe is spiral; diversion ribs facing each other are arranged on an inner wall of the pipe in the axial direction; the diversion ribs are spirally arranged on the inner wall of the pipe; the thickness of the wall of the pipe is 0.1-02 times an outer diameter of the pipe; an outer wall of the pipe is sleeved with a heat insulating sleeve; a metallic net layeris arranged on an outer wall of the heat insulating sleeve. The advantages of the invention are that the pipe is spiral, turbulence of petroleum in the pipe is improved, the viscidity of the petroleumis lowered, and the petroleum delivery capacity is improved; a relation between the wall thickness and the outer diameter of the pipe can ensure a certain structural characteristic of the spiral pipe; the resistance to pressure and the strength of the pipe is improved; the pipeline is not prone to damage; and the safety is improved.

The invention discloses single ion doped white phosphor applied to a WLED device and a preparation method thereof. The single ion doped white phosphor has a chemical formula of A3B'B''2O9: xRE<3+>, Ais alkaline earth metal, B' is low-valent transition metal, and B'' is a high-valent transition metal; x is a doped ion molar ratio coefficient, and the value range x is greater than or equal to 0.001and less than or equal to 0.999; RE<3+> is the trivalent doped ion selected from the group consisting of Sm<3+>, Tm<3+>, Eu<3+>, Ga<3+>, La<3+>, Sc<3+>, and Y<3+>. The white phosphor used for WLED ofthe invention seeks out the novel single-substrate white phosphor doped with the single trivalent ion under the premise of ensuring structural characteristics. The obtained material has a high luminous intensity of warm white light, and has broad emission (400 nm to 850 nm) and high color rendering property and good color stability.

The invention relates to a support material for electromagnetic compatibility and wireless product testing, and a preparation method thereof. According to the present invention, polyisocyanate, polyether polyol, small molecule polyol, water and other cross-linking agents and other raw materials are used to prepare a polymer, the polymer is filled into a mold, the generated material is subjected to a series of process treatments, the surface is coated with an adhesion material comprising dihydroxy siloxane, a filler, a cross-linking agent and a catalyst, and air-drying is performed so as to form the support material meeting the electromagnetic compatibility standard and regulatory requirements.

The invention relates to the field of rocket engines, in particular to a novel hydrogen peroxide multistage catalytic decomposition type gas generator, which comprises a first-stage hydrogen peroxide inlet, wherein a first-stage hydrogen peroxide silver mesh catalytic bed, a first-stage lattice structure, a second-stage hydrogen peroxide gas-liquid injection disc, a second-stage downstream mixing cavity, a second-stage lattice structure, a third-stage hydrogen peroxide gas-liquid injection disc, a third-stage downstream mixing cavity, a third-stage lattice structure and a generator outlet are sequentially arranged on the downstream of the first-stage hydrogen peroxide inlet, a second-stage hydrogen peroxide inlet is formed in the second-stage hydrogen peroxide gas-liquid injection disc, and a third-stage hydrogen peroxide inlet is formed in the third-stage hydrogen peroxide gas-liquid injection disc. According to the gas generator, high-temperature and high-pressure gas with rated flow is generated through self-decomposition reaction of multistage hydrogen peroxide, mechanical equipment such as a turbine and the like are pushed to do work, large-range adjustment of the flow of the gas generator is achieved through three-stage gas inlet, it is guaranteed that the working pressure is stable, and the power capability of the generator is improved.

This invented upper vacuum chamber of splitted vacuum chamber of vacuum refinery installation is manufactured from two parts, which upper part is 3,000mm-3,400mm height from top opening flange, containing top opening flange, sealing ditch, feed opening flange and seat for vacuum chamber; and the rest is the lower part of the invented chamber. The two parts are respectively manufactured, annealed, processed by large scale vertical lathe. After that, the manufacted two parts are full fusion welded together, proceeding local annealing, processed by large scale ordinary floor type borer, finally proceeded 100% ultrasonic test or rays test.

A preparation method of hollow or solid spherical metal powder includes the steps that metal powder or alloy powder or pre-mixed powder is mixed or subjected to grain size gradation according to the component proportion; the particle size distribution of the mixed powder or the powder subjected to grain size gradation meets the requirements that D50 is 0.3-3.5 microns, and D90 is smaller than or equal to 5.0 microns; then, the powder, a water-based solvent, adhesion agents, dispersing agents and defoaming agents are mixed in proportion, grinding and dispersing are performed, slurry which is dispersed and evenly mixed is obtained, and the viscosity of the slurry is not larger than 1.5 Pa*s; the slurry is pumped into a spraying dryer to be dried; next, the slurry is transferred to a thermal treatment device and subjected to thermal treatment, and the product is obtained when temperature is lowered to be room temperature through cooling. The preparation method has the advantages that the technological steps are simple, and waste is little.