184results about How to "Achieve technical effect" patented technology

The invention discloses a preparation method of a catalyst for hydrogenation desulfurization and denitrification of light-weight oil and is characterized in that the composition of the catalyst comprises a carrier, an auxiliary agent and active metals, wherein the carrier contains aluminum oxide, titanium oxide and silicon oxide; the auxiliary agent is phosphorus; the active metals are oxides of nickel, molybdenum and tungsten; and on the basis of the catalyst, the contents of all components in percentage by weight are as follows: 1 to 4 percent of cobalt oxide, 3 to 10 percent of nickel oxide, 2 to 12 percent of molybdenum oxide, 18 to 30 percent of tungsten oxide, 2 to 5 percent of phosphorus pentoxide, 2 to 15 percent of titanium oxide, 2 to 20 percent of silicon oxide, and the balance of aluminum oxide. The catalyst is obtained by the steps of carrier preparation, co-immersion, calcination and the like.

The invention discloses an elevator control device for a single elevator controller. The elevator control device is in data communication connection with robot controllers and/or elevator controllers, and comprises a data processing module and a control module, wherein the data processing module is used for receiving information of each robot controller and/or each elevator controller; the control module controls the data processing module to make preset output to the robot controllers and/or elevator controllers according to the preset conditions; the elevator controller is a single elevator main controller. The elevator control device has the advantage that the elevator is safer and can more effectively serve the robot controller.

The invention discloses a flow-free platform based network accessing method, a mobile terminal and a system. The method comprises the steps that the mobile terminal receives a flow-free product list sent by a flow-free platform server; a first application identifier of a first application is acquired when the network is accessed based on the first application; whether the first application identifier is recorded in the flow-free product list or not is judged, if so, a data access request for network access based on the first application is sent to a proxy server; and the mobile terminal receives requested data which is acquired by the proxy server from a resource server based on the data access request, wherein a data transmission identifier of the mobile terminal in the first application based the network accessing process has a flow-free identifier. The method, the device and the system provided by the invention are used for solving a technical problem that a large amount of data flow of the mobile terminal needs to be consumed when the mobile terminal in the prior art accesses to the network.

The invention provides a method for valuing a standard substance of C reaction protein, wherein C reaction protein (CRP) is found by Tillet and Francis in 1930. CRP is acute-phase protein synthesized by liver cells when an organism is subjected to inflammation stimulation of microorganism invasion or tissue damage and the like. In actual detection work, a C reaction protein analysis meter is mainly adopted to test C reaction protein and needs to use the standard substance of C reaction protein, but research on whether the valuing of the standard substance of the C reaction protein is accurate is still less. The invention aims at filling up the technical blank and provides a method for valuing the standard substance of C reaction protein, which has good accuracy, reliability and traceability.

The invention discloses an elevator control device for group controllers. The elevator control device is in data communication with robot controllers and/or elevator controllers, and comprises a data processing module and a control module, wherein the data processing module is used for receiving information of all the robot controllers and/or all the elevator controllers; the control module controls the data processing module to perform preset outputting on the robot controllers and/or the elevator controllers according to preset conditions; the elevator controllers belong to group controllers. The elevator control device ensures that an elevator serves the robot controllers more safely and effectively.

The invention relates to the technical field of heavy metal remediation of farmland, in particular to a foliar fertilizer, a preparation method and a method for reducing cadmium pollution of crops andaims to reduce the content of heavy metal cadmium in edible parts of crops. The foliar fertilizer is prepared from the following raw materials: 5-10 parts of soluble selenium, 60-80 parts of solublesilicon, 5-10 parts of chitosan, 20-30 parts of ascorbic acid, 140-160 parts of deionized water and 2-5 parts of absolute ethanol. According to the foliar fertilizer, a new idea that the inhibitor issprayed to foliage of crops for inhibiting transfer of heavy metals from the crop section of a soil-plant system to edible parts so as to remedy heavy metal pollution of cultivated land is provided.

The invention provides an ultrasonic range-measuring system which comprises a driving circuit, an ultrasonic probe, a return signal detecting circuit and a singlechip microcomputer, wherein the singlechip microcomputer is connected with the driving circuit, the driving circuit is connected with the ultrasonic probe, a detecting signal of the ultrasonic probe is output to the return signal detecting circuit, an output end of the return signal detecting circuit is connected with the singlechip microcomputer, an analogue switch is further connected between a signal output end of the ultrasonic probe and the return signal detecting circuit, when the singlechip microcomputer sends out a starting signal to the driving circuit, the analogue switch disconnects the connection of the return signal detecting circuit from the range-measuring system, when the singlechip microcomputer stops sending the starting signal to the driving circuit, the analogue switch connects the connection of the returnsignal detecting circuit in the range-measuring system, and the return signal detecting circuit is disconnected when an ultrasonic wave is sent due to the analogue switch with a single-pole double-throw function, so that the self-oscillation caused by the fact that a driving signal is input into a follow-up amplifying circuit can be avoided, and a blind zone detecting distance of the ultrasonic probe can be effectively reduced.

The invention provides a composite coloring agent and an artificial colored sand, and also provides a preparation method of the artificial colored sand. The artificial colored sand is prepared by using the composite coloring agent and broken stone sand, wherein the composite coloring agent comprises potash water glass, an aqueous resin emulsion, an inorganic acid or organic acid, a filler, a stabilizer, a curing agent, a toner and water; and the broken stone sand comprises at least one of quartz sand, basalt and calcite, and the particle size of the broken stone sand is 10-120 meshes. The composite coloring agent comprises, by mass, 280-320 parts of potash water glass, 45-55 parts of emulsion 996AD, 2.8-3.2 parts of concentrated sulfuric acid, 0.9-1.1 parts of silicate, 75-125 parts of mica powder, 435-560 parts of the toner and 40-52 parts of water; and a weight ratio of the broken stone sand to the composite coloring agent in the artificial colored sand is 980-960/20-40. The artificial colored sand has abundant colors, and is economic and environmentally-friendly.

The invention discloses a control method of an elevator group capable of predicting elevator taking demands of passengers. A learning unit is used for learning elevator taking habits of the passengersaccording to elevator history operation data related to the elevator taking of the passengers, and the elevator taking habits are output to a policy determining unit; the policy determining unit is used for determining elevator control policies according to the elevator taking habits output by the learning unit; a deploying unit is used for deploying elevators of the elevator group according to the control policies determined by the policy determining unit; and a control unit is used for controlling the elevators of the elevator group according to deploying results of the deploying unit. Theelevator control method can precisely predict the elevator taking demands of the passengers, and controls the elevators of the elevator group to operate to departure floors of the passengers at propertime, so that the waiting time of the passengers before arrival of elevator cars is eliminated, and the elevator taking experiences are improved.

The invention relates to a method for preparing a polyaniline-alginic acid-ionic liquid-enzyme composite membrane modified electrode, which comprises the following steps of: 1) dissolving aniline and alginic acid in solution of hydrochloric acid to obtain solution A; 2) adding ionic liquid into the solution A, and stirring the mixture to obtain solution B; 3) adding an enzyme into the solution B,and performing ultrasonic processing on the mixture to obtain solution C; and 4) and performing electrochemical cyclic voltammetry synthesis in the solution C for preparing a working electrode, a counter electrode and a reference electrode to obtain the polyaniline-alginic acid-ionic liquid-enzyme composite membrane modified electrode. Compared with the prior art, the method achieves the technical effects of simple reaction condition, easy operation, short preparation cycle and controllable composite membrane thickness.

The invention discloses a non-contact elevator button system. The non-contact elevator button system comprises at least two elevator buttons adopting a non-contact registration mode, a construction unit, a judging unit and an identification unit, wherein the construction unit is used for constructing a moving track of an operation action executor according to operation information of the operationaction executor and/or operated information of the elevator buttons, the judging unit is used for judging whether any elevator button subjected to wrong registration operation exists or not accordingto the moving track or the moving track and the operated information of the elevator buttons, and the identification unit is used for identifying all elevator buttons subjected to registration operation according to the moving track or according to the combination of at least one of the operation information of the operation action executor and the operated information of the elevator buttons aswell as the moving track when any elevator button subjected to the wrong registration operation exists. According to the system, the cost is not increased, external space is not occupied, the appearance of a elevator button system is not affected, operation is easy and convenient, the elevator buttons are effectively prevented from being mistakenly subjected to the wrong registration operation, and the system is suitable for occasions with any number of elevator buttons and the situation that a plurality of operators register the elevator buttons at the same time.

The invention provides a method for certifying a CryIAb protein standard substance. A Bacillus thuringiensis (BT) crystalline protein has high-specificity insecticidal activity and serves as biopesticide which is applied most widely in the recent years; and during actual detection work, genetically modified corps to be detected are often required to be subjected to CryIAb protein quantitative andquantificational detection, but the research on the accuracy of standard substance certification of the genetically modified corps is rare. The technical problem to be solved is to fill the technicalblank; and the invention provides the method for certifying the CryIAb protein standard substance, and the method is high in accuracy and has reliability and traceability.

The invention discloses a brain magnetic signal probe, sensor and collecting system based on a GMI effect. The brain magnetic signal probe comprises at least three sets of amorphous wires which are arranged on the same plane and are in a straight strip shape. Each set of amorphous wires comprises at least one amorphous wire. An included angle is formed between any two adjacent sets of amorphous wires. Each set of amorphous wires is sleeved with a picking coil. The brain magnetic signal sensor comprises the brain magnetic signal probe and a sensor peripheral circuit. The brain magnetic signal collecting system comprises a brain magnetic signal receiving module, a signal collector and at least one brain magnetic signal sensor. The plug and play effect is achieved, the brain magnetic signal probe can be used for detecting the brain activity state at any time, practicability of a brain-computer interface is improved, the brain-computer interface is expanded into practical application, and the brain magnetic signal probe has the advantages of being fast to prepare, easy to use, high in detection precision, stable and reliable.

The invention discloses a preparation method of hydroxypropyl starch resistant dextrin, and relates to the technical field of resistant dextrin. According to the method, hydroxypropyl starch is used as a raw material, prepared starch paste has high transparency, high fluidity, weak retrogradation performance, high stability and good freeze-thaw stability, then alpha-amylase is added for hydrolysis, the solubility of glucose is improved, the content of free glucose in the product can be effectively reduced, and the content of the resistant dextrin is increased; then a starch branching enzyme isadded, the digestion resistance of the starch paste is improved, and therefore the content of the resistant dextrin is more effectively increased. The preparation process for preparing the resistantdextrin by using the hydroxypropyl starch is simple, the yield is high, detection is carried out by means of the method which accords with the national food safety standard GB 5009.88-2014, the content of the resistant dextrin reaches 80% or above, the content of free glucose is 10% or below, and the method has industrial production value.

The application discloses a picture preloading method and a picture preloading device. The method comprises the following steps: receiving the network address and target identifier of a to-be-preloaded picture on a content delivery network, wherein the target identifier is the service provider identifier of the content delivery network; extracting a network domain name from the network address of the to-be-preloaded picture; acquiring an IP address corresponding to the network domain name from a preset database, wherein different network domain names correspond to different IP addresses; and associating the network domain name with the IP address corresponding to the network domain name. According to the application, the technical problem that a mobile terminal cannot preload a picture is solved.

The invention discloses an array turbulent flow column jet cooling device, and belongs to the technical field of radiators. The cooling device is provided with a housing, a cooling working medium inlet, a cooling working medium outlet and a turbulent flow column array. The front half section of the cooling device is multiple columns of rectangular channels at equal intervals, and the rear half section of the cooling device is a turbulent flow column array which is symmetrically arranged along the center. Through the jet impingement cooling technology, gas or liquid is directly jetted to a cooled or heated surface through a rectangular nozzle (inlet) under the action of pressure difference, so that the flow path is short and a flow boundary layer on the impacted surface is thin, and an areadirectly impacted generates a very strong heat exchange effect; and the turbulent flow column array is arranged on the rear half section of the cooling device, so that the heat exchange area of the device and fluid is increased, the flow boundary layer formed in the flow channels is damaged, disturbance in flowing is increased, and furthermore, the heat exchange enhancing effect is further achieved, and the temperature equalizing effect of the cooling device is greatly improved.

The invention discloses an elevator detection device. The elevator detection device comprises a sensor group and a judging unit, wherein the sensor group at least comprises one sensor and is used fordetecting people and/or objects passing through an entrance and exit of an elevator car; the judging unit is used for judging whether people and/or objects pass through the entrance and exit of the elevator car or not according to detection signals output by the sensor group; the sensor group is mounted on a mounting seat at the upper part of the entrance and exit of the elevator car, the mountingseat is positioned on an elevator car body, and the sensor group is distributed along the width direction of a car door and is used for detecting people and/or objects passing through the entrance and exit of the elevator car from top to bottom; and a detection area of the sensor group comprises an area where an elevator car door is located, and the ratio alpha of the width of the detection areain the width direction of the car door to the width of the car door meets the condition that alpha is greater than or equal to 0.5 and less than or equal to 1. According to the elevator detection device, a vertical detection mode is adopted, so that the cost of the sensor and the complexity of installation and wiring are reduced, the width information of people and/or objects passing through the entrance and exit of the elevator car is directly and accurately detected, and the occupied area of the elevator car is obtained.

The invention discloses a method for in-situ measuring iron content in a biological tissue sample by adopting isotopic dilution LA-ICP-MS (laser ablation inductively coupled plasma mass spectrometry). The method comprises the following steps of building a sample boundary by adopting a tissue anti-dropping material for a biological section sample, and adding quantitative isotopic dilution agent in a boundary to adequately exchange isotope of the tissue sample; optimizing the addition way of the isotopic dilution agent, the isotopic balance time and the condition of the in-situ isotopic ratio measurement technology; in-situ measuring the iron content in the uniform tissue section sample of goat brain and beef liver by adopting the isotopic dilution-LA-ICP-MS technology, wherein the measurement result is consistent with that of the microwave digestion-isotopic dilution method. The method can be further applied to the in-situ and microcell quantitative measurement and imaging analysis of metal elements in the biological tissue section sample in clinical process, and an important clinical significance for establishing the connection between the distribution variation of iron element in the tissue sample and the typical neurological disease can be realized.