142results about How to "Retrofit fast" patented technology

The invention discloses controllable vector elimination method as well as an easy-to-use CRISPR-Cas9 tool. The invention provides a controllable vector elimination tool, which is composed of a control module and an elimination module, the control module including: a core zone which contains an elaborately-controlling promoter and a homing endonuclease encoding gene, two terminators respectively at two ends of the core zone, and homing endonuclease recognition sequences on the outer ends of the two terminators; and the elimination module including: an antibiotic resistance gene expression cassette, and homing endonuclease recognition sequences on the two ends; the tool can easily, quickly and high-effectively remove a plasmid vector in one step. A further developed easy-to-use CRISPR-Cas9 system can achieve one-step quick elimination to Cas9 and sgRNA encoding plasmids from a host cell. The easy-to-use CRISPR-Cas9 system is very convenient and practical, greatly saves experiment time, reduces experiment intensity, and is a very practical gene editing tool.

Provided are a directional hydraulic injection tool string and a construction method for a coal-bed gas horizontal well. The directional hydraulic injection tool string is characterized by comprisinga guide cone, a screen pipe, a centering device one-way valve, a hydraulic anchor, a packer, an ejector, a hydraulic eccentric orientator, an upper centering device, a hydraulic releasing and an oil pipe which are sequentially connected, the hydraulic eccentric orientator is connected with the ejector through a fixed manner, the upper end of the hydraulic eccentric orientator and the lower end ofthe ejector are respectively through the upper centering device and the packer connected with an upper movable bearing and a lower movable bearing, and under the action of hydraulic, the eccentric orientator drives the ejector to achieve the function of directional ejection; the directional hydraulic injection tool string has reasonable design and complete functions, and higher reliability, stability and safety of the combined system, can achieve the function of outer pipe anti-channeling and fixed point fracturing, also achieve hydraulic sand blast perforation of large displacement, large hole, and orientation and subsection fracturing operation of large displacement and a large scale, is applied to the construction of coal-bed gas horizontal wells with complex conditions, such as cementing wells, uncementing wells and the like, and the directional hydraulic injection tool string has the advantages of high construction efficiency, low construction cost, a large scale of production increasing and improvement, high success rate of the construction and a good reconstruction effect and the like.

A totally enclosed fan cooled (TEFC) induction motor or other type of induction motor auxiliary cooling system has a buffet thermal shroud that is oriented in opposed spaced relationship over existing motor housing cooling fins. An airflow channel is defined between the motor cooling fins and the shroud, for direction and passage of a cooling airflow. Tabs are oriented in the airflow channel between opposed cooling fins where they are in thermal and fluid communication with the cooling air flow. In some embodiments the tabs are shroud fingers that project inwardly from the shroud. The tabs or shroud fingers create turbulence in the cooling air flow that increases convective heat transfer efficiency and contact time between the cooling air and motor cooling fins. Tabs or shroud fingers also absorb heat from the cooling air flow. Shroud fingers also transfer that absorbed heat conductively to the shroud.

An internet of things-based passive wireless cold-chain transportation vehicle-mounted real-time monitoring system provided by the present invention comprises a main controller, a sensing unit, a thermal insulation container, a base station, a server and a remote terminal. According to the present invention, aiming at the problem that the external environment of a key agricultural product cold-chain transportation intermediate link needs to be monitored for the whole course, an internet of things technology is utilized to research and develop the main controller, thereby being able to finish the real-time positioning of the cold-chain logistics vehicles and the real-time monitoring of the environmental information; the remote terminal can monitor the cold-chain information real-timely, thereby finishing the real-time monitoring of the environmental information of the logistics links, and becoming a part of the agricultural product information traceability. By adopting an EnOcean energy search technology and an EnOcean wireless communication technology, a sensor is supplied with power, the main controller is charged, the signal lines and the power lines do not need to be deployed, the arrangement is flexible, the power consumption is low, the energy is saved, and the consumption is reduced.

The invention provides refining production process optimal analysis method and system. The method comprises the following steps that: receiving refining initial parameters input by users, such as parameters of all refining production devices, parameters between devices, refining process parameters and technical operation parameters; invoking fundamental data corresponding to the refining initial parameters; starting the corresponding model in a process simulation model library according to the refining initial parameters and the fundamental data, and generating the key parameter of the refining production process; comparing the key parameter with the optimal parameter and best practical value in an expert knowledge base, and generating a comparison result; and outputting the comparison result to users. Through the invention, the multi-variable optimal problem caused by the complex energy-material relation in the refining production process can be effectively solved; the energy-utilization reasonableness of the refining production process, the production devices, and main energy-utilization equipment can be judged; the potential point of improving the energy efficiency can be found; and a quantificational optimization scheme is finally obtained.

The present invention discloses a website performance optimization method and apparatus. The method comprises: obtaining an optimization request; extracting a dom structure of a page of a to-be-optimized website according to the optimization request; encapsulating the dom structure to obtain the dom structure component; and carrying out redundant code removal, upward compatible or backward compatible semantics code generation, and intra-line style removal operations on the dom structure in the dom structure component, and generating a processed dom script. According to the method and apparatus disclosed by the present invention, the technical problems of huge consumption of the time, the manpower and financial resources due to secondary development or re-escalation of some old projects of the website in the prior art are solved.

The present application relates to the technical field of communication and discloses an SD-WAN system, a method for using an SD-WAN system, and a related device. In the present application, the SD-WAN system includes: a virtual logical network layer, a physical network layer, a network interconnection layer, and a user layer; the virtual logical network layer is physically connected to the physical network layer, and is in communication connection to the network interconnection layer; the network interconnection layer is physically connected to the physical network layer and is in communication connection to the user layer; wherein, the network interconnection layer is configured to receive the access data of the user layer to the physical network layer, send a access request generated according to the access data to the virtual logical network layer, and transfer the access data to the physical network layer under the control of the virtual logical network layer; the virtual logicalnetwork layer is configured to control the network interconnection layer to transfer the access data to the physical network layer according to the access request. The SD-WAN system transforms the existing WAN into an SD-WAN.

The invention provides a channel with detection and disinfection functions and a detection and disinfection method. Air shower ports, air filtering equipment, a nozzle, a hand disinfection port, an infrared camera, a camera, ultraviolet germicidal lamps, a rear door and a front door are fixed by a channel main body; the air shower ports are located in the two sides of the channel body, and the airfiltering equipment provides filtered and disinfected air for the air shower ports. The nozzle is located above the channel body and sprays disinfectant fluid downwards. The hand disinfection port islocated in the channel main body and provides hand disinfection liquid for a user; the infrared camera is located in the channel body and detects the body surface temperature of a user through infrared rays. The camera is located in the channel body and used for obtaining image information by shooting. The ultraviolet germicidal lamps are positioned at the top and/or two sides of the channel mainbody and are used for performing ultraviolet disinfection inside the channel main body. According to the invention, body temperature measurement and antivirus operation can be automatically carried out on personnel, and the channel and method can be used for detection and antivirus during outbreak of infectious diseases.

The invention provides an insulating aerial aluminum alloy cable and a preparation method thereof. The cable comprises an aluminum alloy cable core, and a shielding layer and an insulating layer which are formed outside the aluminum alloy cable core from inside to outside in turn through extrusion. The shielding layer is formed by silane crosslinked polyolefin semi-conductive material through extrusion. The insulating layer is formed by silane crosslinked polyethylene material through extrusion or obtained through extrusion formation of the silane crosslinked polyethylene material and then irradiation processing. The aluminum alloy cable core has a compressive circular structure manufactured by 7-91 single heat-resistant aluminum alloy wires through twisting, and the cross section of the wires is circular. According to the cable, carrying capacity for transmission is enabled to be higher than original carrying capacity and cross section efficiency is enhanced for 40%-60% without changing the existing cable specifications. Reconstruction of old lines of existing urban and rural power grids can be facilitated, and reconstruction cost can be greatly reduced and reconstruction cost can be saved.

A hot forming tool for the production of a press hardened sheet steel product includes an upper tool and a lower tool. At least one of the upper and lower tools has a base plate, a carrier tool mounted on the base plate, and a mold segment exchangeably received in the carrier tool and configured specific to the sheet steel product.

The invention discloses a method of quickly identifying a crankshaft position, which skillfully utilizes signal features of a camshaft signal wheel provided with three convex teeth, and simultaneously detects if a level jump happens on the camshaft signal besides judging if missing teeth exist once one crankshaft signal falling edge is detected. If the current crankshaft signal does not miss teeth and the level jump happens on the camshaft signal, a level state of the following camshaft signal at a certain angle is continuously detected, and crankshaft angles under various conditions are finally determined, namely the identification of the crankshaft position is finished. Compared with a traditional crankshaft position identification method, the method can finish the identification of the crankshaft position before the missing teeth is discovered, so that the speed is quicker and the efficiency is higher.

An anti-differential settlement inspection well device comprises a well cover (1) and a well body (2), wherein a support plate (3) is arranged below the well cover (1), a well cover placing hole (31) is formed in the support plate (3), and the area of the support plate (3) opposite to a well body upper opening (21) is at least greater than that formed by the outer edge of the well body upper opening (21); the support plate (3) is located above the well body upper opening (21), and the lower surface of the support plate (3) is separated from the well body upper opening (21); cushion blocks (4) are arranged below the outer edge of the support plate (3) in a way of supporting the outer edge of the support plate (3); and the cushion blocks (4) partially extend out of the outer edge of the support plate (3). Even if under the long-term and repeated action of load of vehicles, the inspection well device can always avoid differential settlement generated between the well cover and/or the well body and circumjacent roads. In addition, the invention further provides a construction method of the anti-differential settlement inspection well device.

An airship dynamic adaptive harness is provided to stabilize airships and particularly a tethered aerostat in high winds and atmospheric changes. A novel adaptive device accommodates the supply of a lift gas and simultaneously controls opposing cables in a tethered harness with a cascade control system that provides an immediate and particularly the dynamic control of roll, yaw and particularly the pitch of the aerostat in response to real time environmental flight conditions and impart stability to the airship in high winds using a stability zone geometric suspension control system and enhance the duration of in flight missions. A lifting gas replenishment system and particularly a ground based lifting gas replenishment system adds long duration deployment to the dynamic adaptability to high wind conditions for long term deployment.

A decontamination bag is positioned in the interior space of a public mailbox. The decontamination bag receives mail that is deposited in the mailbox. A postal worker; upon retrieving mail from the mailbox, closes the decontamination bag. The decontamination bag is equipped with an exit valve and an intake valve. Air from the interior of the bag may be sampled for contaminants that may be carried by letters or mailpieces through an exit valve. A decontaminating agent may be introduced to the interior of the decontamination bag through the intake valve. The contents of the decontamination bag are thereby purified within the bag. After decontamination, the contents of the decontamination bag may be purged and fresh air may be reintroduced into the bag. The decontamination bag may then be opened in order to retrieve its contents.

The invention discloses a fracturing technology for improving effective support of a shale fracturing complex fracture network. The fracturing technology comprises the following steps that (1) well cleanup is conducted; (2) perforation is conducted; (3) fracturing treatment is conducted, specifically, a suspension fluid formed by mixing a prepad fluid with 140-300 mesh quartz sand is pumped at thedisplacement of 10-12 m<3>/min firstly, then a sand-carrying fluid is pumped at the displacement of 10-12 m<3>/min, 70-140 mesh quartz sand is adopted as an early-period proppant of the sand-carryingfluid, 40-70 mesh ceramsite is adopted as a later-period proppant of the sand-carrying fluid, finally, a displacing fluid is pumped for displacement, and pumping is stopped after displacement; (4) segment treatment is conducted; and (5) the steps (2) and (3) are repeated, and next segment of fracturing operation is completed. According to the fracturing technology, a microfracture and a secondaryfracture network can be effectively supported, meanwhile, a fracturing major fracture and a branched fracture are also supported advantageously, finally, effective support of the shale complex fracture network is improved overall, the yield of shale gas is increased, and the successive decreasing speed of a shale gas well is decreased.

The invention provides a laminating material online variable parameter hole making method based on motor current. A device used in the method comprises a feeding motor, a motorized spindle, a driver and a controller. The real-time current of the feeding motor is read from the driver, the current data are uploaded to the controller, then, Kalman filtering is used for conducting filtering on extracted current, outside interference and equipment inner noise influencing current signals in the collection and transmission process are filtered out, the current value obtained after filtering is subjected to disperse integration treatment, the comparison value of the integration difference and the threshold value serves as parameters, the stage where current hole making is located is judged in realtime, and finally the speed of the feeding motor and the rotation speed of the motorized spindle are controlled according to the obtained drilling stage. According to the laminating material online variable parameter hole making method, the situation that the material thickness size is measured in advance for determining the technology parameter switching point is not needed, the machining process can be monitored online, the current machining state can be judged in real time, and optimal technology parameters of various layers of materials are used for hole making.

The invention relates to a middle storage type medium-speed milling positive pressure direct blowing type powder making system comprising a plurality of coal mills, dynamic separators at outlets of the coal mills, a plurality of first coal powder pipes arranged at outlets of the dynamic separators in parallel, air and powder mixing balance bins correspondingly connected to first coal powder pipe outlets of every two corresponding coal mills, a plurality of second coal powder pipes correspondingly connected with air and powder mixing balance bin outlets in parallel, coal powder burners connected to second coal powder pipe outlets, and a boiler provided with the multiple coal powder burners correspondingly. Through the middle storage type medium-speed milling positive pressure direct blowing type powder making system, mill overhauling can be achieved without stopping of the boiler, the coal mills can be switched freely without interference to the burning stability of the boiler, consistency of uniformity of air and powder mixing in all coal powder pipelines can be further achieved, uniformity and stability of burning are achieved finally, and the requirements of environmental protection and energy saving are met.

The invention provides a method for indirectly accessing an intelligent terminal. The method comprises the following steps that: (1) an application server waits for access of an unknown intelligent home gateway, and has no action information about the intelligent home gateway; (2) the intelligent home gateway sends out an access request to register the application server; (3) after registering, the intelligent home gateway starts to receive remote-distance access; and (4) the application server provides an interface capable of being accessed by the intelligent home gateway for a user. With the adoption of the method provided by the invention, the limited IP (Internet Protocol) resource access is realized in an intelligent home system, and intelligent terminals without a quantity limitation in theory can be controlled, so that the user can access the random intelligent terminal through the intelligent gateway. Furthermore, according to the method provided by the invention, the gateways can be managed by using a network; an intelligent society can be constructed; and other function expansion on the basis can be realized.

The invention relates to a chimeric antigen receptor based on GD2. The chimeric antigen receptor is characterized by being prepared from an antigen combined structural domain, a transmembrane structural domain, a costimulatory signal transduction structural domain, a CD3 zeta signal transduction structural domain and a self-destroying structural domain which are connected in series, wherein the antigen combined structural domain is combined with a surface antigen of a tumor, the surface antigen of the tumor is GD2, the antigen combined structural domain is a single chain antibody for the surface antigen of the tumor GD2, and the self-destroying structural domain is a caspase 9 structural domain. The chimeric antigen receptor is actually applied to a patient suffered from phase IV neuroblastoma expressing a specific target point GD2 of the tumor, is smaller in clinical side effect and higher in safety, can reduce the solid tumor foci effectively, and improves the whole survival rate ofthe patient effectively as presence of GD2-CART can be monitored in the body of the patient for a long time.

The invention provides an integrated type heat recovery sewage source heat pump unit based on the internet-of-things technology and belongs to the field of environmental friendliness. The integrated type heat recovery sewage source heat pump unit comprises a sewage source heat pump unit body, a sewage treatment and heat exchanging system, a hot water circulating pump and a network intelligent control box; the sewage source heat pump unit body comprises a compressor, an oil separator, a condenser, a dry filter, an electromagnetic valve, an expansion valve, an evaporator and a gas-liquid separator; and the sewage treatment and heat exchanging system comprises a sewage tank, a sewage circulating pump, a hair collector, a sand filter tank and a plate type heat exchanger. According to the integrated type heat recovery sewage source heat pump unit based on the internet-of-things technology, data are detected through temperature sensors, a liquid level sensor and pressure sensors and transmitted to a network controller through a communication transmission module, all the collected data are analyzed and processed by the network controller, and thus the function that the integrated type heat recovery sewage source heat pump unit is subjected to remote monitoring, operation, maintenance and software automatic upgrading through terminals such as a mobile phone, a PC and a PDA can be achieved. Signals are transmitted to the network controller through the Ethernet by the communication transmission module.

The invention provides ecological fertilizer which is prepared from the following components in parts by weight: 23-25 parts of biochemical potassium humate, 27-30 parts of silicon calcium magnesium powder, 3-5 parts of silicon dioxide, 22-25 parts of photosynthetic bacteria and actinomycetes and 25-28 parts of amino acid chelated trace element fertilizer. The prepared ecological fertilizer benefits the activation of nutrient substances to enable crops easily absorb the fertilizer; and the prepared ecological fertilizer benefits the activation of soil, so that mineral elements in the soil, which are difficult to dissolve, are decomposed and absorbed. The ecological fertilizer contributes to activating other organisms in the soil, improving physical characteristics of the soil, loosening the soil, promoting the absorption and the metabolism of the crops on various nutrition, enhancing the immunologic function of the crops, improving the capabilities of resisting coldness, drought and diseases, and promoting healthy growth of the crops; and in addition, the ecological fertilizer benefits the reformation and the update of medium and low-yield field and ensures the yield and the quality of agricultural products.