6753results about How to "Good application effect" patented technology

An oligomer mixture of n-propylethoxysiloxanes, containing from 80 to 100% by weight of n-propylethoxysiloxanes having a degree of oligomerization ranging from 2 to 6.

The invention discloses a normal-temperature synthesis method for a polycarboxylic acid water-reducing agent, and belongs to the field of cement concrete water-reducing agents. The water-reducing agent is prepared by the following steps of: copolymerizing polyoxyethylene ether monomer or polyoxyethylene ester monomer a containing unsaturated double bonds, unsaturated monocarboxylic acid and derivative monomer thereof b, unsaturated dicarboxylic acid c and unsaturated sulfonic acid or salt monomer thereof d in aqueous solution under the action of an oxidation reduction initiator, and finally neutralizing the solution by using alkali solution to obtain the water-reducing agent. The reaction can be performed at room temperature by adopting an oxidation reduction initiating system, and the appropriate reaction temperature is between 5 and 30 DEG C; and the synthesis process does not need heating, so energy is saved, and high-temperature side reaction is effectively controlled. The prepared polycarboxylic acid high-performance water-reducing agent has the characteristics of high water-reducing rate and good collapse protecting performance. The water-reducing agent has wide application range, and the method has low production process requirement and is suitable for industrialized large-scale production.

A test and analysis system of digital machine process-dynamics character comprises hardware prepared as arranging acceleration transducer at tail end of cutter, connecting hammer and said transducer to electric charge amplifier being connected to data collector and carrying out data transmission with computer by said collector; and software formed by man-machine interactive boundary and module of data collection, data play-back, hammering test, transmission function analysis, parameter identification, noise test and analysis.

The invention relates to a preparation method of a slow-setting polycarboxylic acid water reducing agent, which is implemented by carrying out free radical copolymerization reaction on allylsulfonate monomers, acrylic monomers, polyethylene glycol nono-methyl ether methacrylate macromonomers and maleic anhydride grafted beta-cyclodextrin macromonomers. The invention is characterized in that a beta-cyclodextrin side chain is introduced into a polycarboxylic acid main chain, so that the polycarboxylate water reducing agent has favorable slow setting property, micro air-entraining property and better fluidity. The obtained polycarboxylic acid water reducing agent has the advantages of stable product performance, strong adaptability to cement and favorable compatibility; and the cement paste fluidity is up to higher than 290mm (W/C=0.29), the water reducing rate of concrete is up to 30-40%, and the slump protection time is 3-5 hours. The preparation method provided by the invention has the characteristics of unique technique, excellent product performance and the like.

The invention discloses a safety protection system for a crane, comprising a plurality of sensors, a controller and a protection action actuating mechanism. The sensors detect and transmit the working state of the crane to the controller in real time; according to the detection data of the sensors, the controller calculates maximum allowable load determined by the characteristics of the crane under the current working state; the determined maximum allowable load is compared with the maximum allowable load related to the characteristics of the crane, then a minimum value therein is taken, and after predetermined design margin is taken, a rated working load G is obtained; according to the data of the sensors, current actual lifting weight is obtained through calculation; the actual lifting weight is compared with the rated working load, and if the actual lifting weight exceeds a preset safe range, the controller sends out a safety protection control signal limiting the crane to move toward the dangerous direction; and the protection action actuating mechanism limits the crane to move toward the dangerous direction according to the safety protection control signal. The invention provides a crane using simultaneously the safety protection system.

The invention relates to the technical field of oil fracturing, in particular to a method for calculating the staged fracturing productivity of a compact reservoir horizontal well. The method is characterized by including the steps of firstly, dividing a reservoir infiltration area into four parts; secondly, obtaining the equivalent hole diameter of each fracture; thirdly, obtaining the yield of each fracture during multiple fracture disturbance; fourthly, coupling the yield of each fracture with the hydraulic pressure drop flow model in a horizontal wellbore to obtain a group of bottom hole pressure, iteratively solving until the bottom hole pressure difference of the previous step and the next step is smaller than tolerance, namely convergence, and taking the determined group of yield as the fracture-control yield of each fracture and the sum of the fracture-control yield of the fractures as the total yield of the horizontal well. The method is real and reliable in calculation result and good in application effect.

The invention discloses a local area network (LAN)-based network examination system and an implementation method thereof. The LAN-based network examination system adopts a client/server (C/S) mode framework; an examination room server, an examination affair operating terminal and examinee operating terminals form a local are network; and examination test questions in the examination room server are decrypted by the examination affair operating terminal and then converted into a data format which can be identified by the examinee operating terminals. The examination affair operating terminal classifies and collects data files of problems worked by examinees and archives examination data. The examinee operating terminals display the identified data and provide an examination environment for examinees. The LAN-based network examination system has lower requirements on network and hardware configurations, stronger adaptability and high compatibility, and only each examinee operating terminal is communicated with a twisted pair cable and is connected with each other by using an exchanger to form the local area network, thereby greatly saving the input of network equipment. The examination data are transferred in the local area network and has no physical contact with the internet, thereby guaranteeing data security and stability of the examination system.

The invention discloses a weak supervision fine-grained image classification method of a multi-branch neural network model. The weak supervision fine-grained image classification method is characterized by the steps of: firstly, randomly dividing a fine-grained image data set into a training set and a test set in proportion; secondly, positioning a local region with potential semantic informationby using a local region positioning network; thirdly, respectively inputting an original image and the positioned local region into a deformable convolution residual network and a rotation invariant coding direction response network to form a feature network of three branches, respectively training the three branches, and respectively carrying out backward propagation learning on the three branches based on cross entropy loss; and finally, combining intra-branch loss and inter-branch loss to optimize the whole network, and performing classification prediction on the test set. According to theweak supervision fine-grained image classification method, the negative influence of various changes such as posture, visual angle and background interference on a classification result is reduced, and a better effect is achieved on a fine-grained image classification task.

The invention discloses an organic fertilizer fermented by chicken manure and a production method of the organic fertilizer, which belong to the technical field of culture waste treatment and biological fertilizer manufacture. According to the invention, the organic fertilizer is prepared and produced by the steps of aerobic curing and anaerobic fermentation, so that the problems of pollution and root burning caused by the chicken manure directly applied to fields are solved, and the innocent treatment and resource utilization of the chicken manure and padding are realized. The final product mainly comprise beneficial bacteria and metabolites of the beneficial bacteria, which have the characteristics that the fertility is durable, the macroecology of the soil can be improved to inhibit pest and disease damage, the soil structure can be improved to improve breathability and the development of the root systems of plants can be enhanced. The purpose of the aerobic curing is to inhibit the growth of infectious microbes, control metabolism direction, kill pathogenic microorganisms, adult parasite, parasite eggs and thermolabile infectious microbes by biological heat and provide a matrix for anaerobic fermentation by decomposing, transforming and synthesizing the microorganisms into thallus ingredients and small molecular substances; and the purpose of the anaerobic fermentation is to augment the beneficial bacteria and generate the metabolites such as organic acid.

The invention relates to a poly(propylene carbonate)-based polyurethane fireproof coating and a preparation method thereof. The poly(propylene carbonate)-based polyurethane fireproof coating is prepared from 100 parts of poly(propylene carbonate) which is the polymer of carbon dioxide and propylene oxide, 15-30 parts of aromatic diisocyanate, 0.1-0.2 part of catalyst, 0-3 parts of non-ionic chainextender containing active hydrogen, 2-8 parts of active-hydrogen-containing ionic chain extender capable of forming a hydrophilic group, 1-6 parts of neutralizer, 1-10 parts of silane coupling agent, 200-350 parts of adjuvant, 40-140 parts of flame retardant, 10-50 parts of bentonite and 1-3 parts of dispersant. The fireproof coating has the advantages of good water resistance, strong adhesion force, flame retardance reaching one level, superior fireproof performance, strong integrated application capability and bright application prospect, and can be applied to the surface coating of wood, steel and other substrates.

An electrode material containing an electrode active material, and a carbonaceous coating film which covers the electrode active material and contains sulfur; and an electrode material including a secondary particle including a plurality of primary particles as the electrode active material, wherein the primary particles are covered with a carbonaceous coating film so that the carbonaceous coating film is interposed between the primary particles and the carbonaceous coating film contains sulfur.

The invention relates to an organic-inorganic composite fertilizer, which consists of straws, excrements and fertilizers. By weight, in the composite fertilizer, the ratio of N, P2O5 and K2O is 10 to 35:8 to 12:5 to 8, and the ratio of C and N is 10:15. The organic-inorganic composite fertilizer has very obvious effects for improving biomass of wheat and increasing readily available nutrient of soil, urease activity, microbial biomass in the carbon-nitrogen aspect.

The invention provides a special bacterial manure for peanut planting, which comprises the following components in parts by weight: 5-25 parts of a compound microbial agent, 30-65 parts of dreg composite powder, 5-20 parts of starch and 10-25 parts of bentonite, wherein the compound microbial agent is composed of bacillus subtilis agent, a rhodopseudomonas palustris agent, a trichoderma harzianum agent and a paecilomyces lilacinus agent; the mass ratio of the bacillus subtilis agent to the rhodopseudomonas palustris agent to the trichoderma harzianum agent to the paecilomyces lilacinus agent is 5:2:1:2, and the total effective viable count of the compound microbial agent is10 billion cfu/g. The bacterial manure is mainly used as a base fertilizer, and can change the microenvironment around the roots of peanuts to prevent various plant diseases and insect pests while promoting nutrient absorption of the peanuts, so that the yield and quality of the peanuts are improved.

The invention discloses a robot under-actuated hand autonomous grasping method based on stereoscopic vision, and relates to a robot autonomous grasping method. The problems that a grasping point can not be calculated through an existing robot grasping method until a three-dimensional model of an object is obtained in advance and the existing robot grasping method can only recognize a simple object and can not obtain a corresponding grasping point for a complicated object are solved. The method includes the steps of obtaining RGB-D point cloud of the object and the environment through a Kinect sensor and conducting filtering on the point cloud for a to-be-grasped object and the environment of the object; extracting normal vector included angle characteristics, coplanar characteristics, distance characteristics, grasping stability characteristics, collision detecting characteristics and corresponding constraint equations for the RGB-D point cloud; establishing a grasping planning scheme on the basis of Gaussian process classification; driving an under-actuated hand for grasping according to the grasping scheme, then judging whether the under-actuated hand has already grasped the object or not according to current detection till the under-actuated hand grasps the object, and releasing the object after completing the grasping task. The method is suitable for the field of robot grasping.

The invention relates to a water soluble fertilizer and a preparation method, in particular to a growth-promoting stable and synergistic water soluble fertilizer and a preparation method. The water soluble fertilizer comprises the following components in percentage by weight: 10-50 percent of urea, 10-40 percent of ammonium nitrogen fertilizer, 10-30 percent of water soluble phosphorous fertilizer, 15-30 percent of water soluble potassium fertilizer, 0.5-10.0 percent of water soluble secondary elements, 0.1-8.0 percent of water soluble trace elements, 0.1-3 percent of fertilizer synergist, 0.01-10.0 percent of plant growth promoter, 0.01-10.0 percent of nitrogen stabilizer and 0-10 percent of water soluble additive, wherein the water soluble additive is a water soluble amino acid chelate and/or water soluble humic acid. The utilization ratio of the fertilizer can be increased by 60-100 percent compared with the conventional ordinary water soluble fertilizer, and the fertilizer effect can last for 120 days in maximum. Compared with an ordinary water soluble fertilizer, the growth-promoting stable and synergistic water soluble fertilizer has the advantages that the crop yield is increased by 20-60 percent by applying the same amount of fertilizer; the fertilizer can be saved by 20-40 percent at the same yield.

The invention discloses a terminal access authentication method and device in an internet of things system. After an SIM card and a bound internet of things terminal are separated, the function is ineffective, so that the safety of the internet of things system is improved. The terminal access authentication method comprises the steps that an equipment mark of the internet of things terminal registered through a network and a user identification card mark set in the internet of things terminal are obtained, wherein the equipment mark and the user identification card mark are sent by position storage equipment set in a communication network; whether the internet of things terminal has a customized binding service of the equipment mark and the user identification card mark is judged; if yes, whether the user identification card mark and the equipment mark are consistent with the pre-stored binding relationship of the user identification card mark and the equipment mark is determined; if yes, a correct binding relationship response message is sent, and the internet of things terminal is instructed to have access to the network for service processing.

The invention discloses a method for remote sensing monitoring and early warning fire in sylvosteppe, belonging to the field of remote sensing technology application. The invention makes full use of the information expressive force of satellite remote sensing data on a large-scale space, comprises fire risk evaluation on the sylvosteppe ecological system in a large-scale range and detection of abnormal high-temperature points in the sylvosteppe on the basis of the remote sensing data, and generates the fire remote sensing monitoring and early warning information for the sylvosteppe in a point-sphere integrated manner by assimilating and processing the detection data (point) on the abnormal high-temperature points and data of fire risk evaluation (sphere), thus providing decisive instruction information for fire protection and fire emergencies of the sylvosteppe. The invention is characterized by comprising four parts of a data pre-treatment unit, an abnormal high-temperature point detection unit, a fire risk evaluation unit and an early warning information processing unit.

The invention discloses a method for graphical programming development based on a robot. Based on Visual Studio 2012 development, a graphical programming module displays as a graphical programming interface under a Windows operation system environment; widget libraries are arranged at the left side of the graphical programming interface; before graphical programming, firstly, a selected widget library is dragged into the graphical programming interface; secondly, a controller of each widget library is connected with an interface and is matched with attribute setting of the interface; only after the controller of each widget library and interface setting are successfully matched, the graphical programming module can generate a correct graphical programming program; a visual interactive simulation environment is built by a visual interactive simulation environment module; the current working state is displayed on the graphical programming interface in real time according to the programing progress of the graphical programming module. The method disclosed by the invention is convenient in interactive operation, and has good applicability and compatibility; a programming development threshold is low, so that more persons favorably engage into programming development; meanwhile, item expenditure is reduced.

The invention discloses a dynamic polymer material. The dynamic polymer material comprises a product obtained through reaction of the following components: at least one polyol compound containing two or more 1,2-diol motifs or 1,3-diol motifs as well as at least one phenylboronic acid compound containing two or more phenylboronic acid motifs provided with aminomethyl groups in ortho-positions. Dynamic reversible phenylborate bonds are formed through the reaction of the components and then constitute a dynamic cross-linked polymer. The polymer material has reusability and recoverability because of the dynamic reversibility of the special phenylborate bonds; besides, when the polymer material adopting a specific formula receives external force, dynamic bonds break preferentially to have energy dissipation and stress elimination functions, so that the material has good toughness. The material has broad application prospect in the fields of military space equipment, functional paint and coatings, biomimetic materials, biomedical materials and the like.

The logistics operation training system includes manipulator assembling and conveying operation unit, automatic cargo distinguishing and buffering operation unit, stacking operation unit, automatic warehouse operation unit, visual detection operation unit, stacking operation unit, cargo flow direction controlling operation unit and container packing operation unit. Each of the operation units is provided with monolithic computer circuit and logic circuit with modular electric interface, and different units may be selected to form stepped configuration. The present invention is suitable for different teaching and training modes.

The invention provides a UUV (Unmanned Underwater Vehicle) path tracking method based on self-adaption sliding-mode control. The method comprises the steps of 1, initializing; 2, obtaining a current state of a UUV; 3, establishing an underactuated UUV horizontal error equation to obtain the positional deviation xe, ye and a course deviation value psi e; 4, utilizing a sliding-mode control method to respectively design a speed sliding-mode control law, a position sliding-mode control law and a stem phase angle sliding-mode control law and enabling th ud to be zero, the xe to be zero and the psi e to be zero by controlling thrust Xprop, expected speed (shown in the following image) and torque Nprop; 5, updating a self-adaption law of handover gain and a self-adaption law of boundary layer thickness; 6, performing control input saturation compensation; 7, enabling k = k +1, returning to the step 2 and updating the control laws and the self-adaption laws for the next time to achieve the accurate control on the UUV horizontal path tracking. The UUV path tracking method can only depend on a controller which is designed according to a horizontal dynamical model to stabilize the system and is suitable for various underactuated UUVs.

The invention discloses an organic compound based on heteroaryl amine structure and application thereof to an OLED (Organic Light Emitting Diode). The compound structurally contains heteroaryl and benzo-heteroaryl amine structures at the same time, has relatively shallow LUMO energy stage, relatively high glass transition temperature and molecular thermal stability; the absorption in the visible light field is low; the refractive index is high; after the organic compound is applied to the CPL layer of the OLED device, the light extraction efficiency of the OLED device can be effectively improved.

There is disclosed a polymer comprising: at least, a repeating unit of substitutable hydroxy styrene and a repeating unit of substitutable hydroxy vinylnaphthalene which are represented by the following general formula (1). There can be provided a polymer suitable as a base resin of a positive resist composition, in particular, a chemically amplified positive resist composition that can exhibit higher resolution than conventional positive resist compositions, that provides excellent pattern profiles after being exposed and that exhibits excellent etching resistance; a positive resist composition and a patterning process that use the polymer.

The present invention discloses an image description method based on a convolution cyclic hybrid model, and belongs to the deep learning field of machine learning. For text description, due to the fact that words in sentences have strong context relationships, text data can be encoded by using a language model. The image description method specifically comprises the steps of (1) extracting image characteristics; (2) encoding the image characteristics; (3) encoding image description texts; (4) training the model; and (5) generating image text description by utilization of the trained model. The image description method is widely used in machine vision and natural language processing, and new thought and solutions are provided in an image description method aspect. At present, in image description, text encoding is randomly generated, which has a certain blindness, and the effect is not good. The texts are encoded by utilization of word2Vec, the encoding problem of the description texts in image description is solved, and the defects of randomness, blindness and instability are remedied. Application ability of the image description is largely increased, and foundation is established for development of machine vision.