131results about How to "Reduce fratricide" patented technology

The invention relates to a microscopic surgical operation navigation system based on augmented reality and a navigation method. The navigation system comprises a fixing frame, a graph mark, a camera, a controller and display equipment, wherein the fixing frame comprises a foundation, a connection member, a fixing rod and a supporting board. The navigation method comprises steps that, S1, the fixing frame is fixed on an ill body; S2, the fixing frame and the ill body are scanned through a CTA, and a three-dimensional model is reconstructed; S3, a three-dimensional coordinate of the three-dimensional model is adjusted through software 3ds MAX to make the graph mark be at the world coordinate center; and S4, the three-dimensional model is projected by ARToolkit software onto a right center of the graph mark, so the three-dimensional model and the ill body image are superposed and fused. The system and the method are advantaged in that, the augmented reality technology is utilized, so the real world information, namely the ill body, is superposed and fused with virtual world information, namely the three-dimensional model of blood vessel muscle bones, so entity information which is difficult to experience in the real world can be acquired by operation doctors.

The embodiment of the invention discloses a transaction anti-fraud method, a transaction anti-fraud device and a transaction anti-fraud system. The method comprises the steps: obtaining to-be-recognized transaction data, and extracting the transaction feature data of the to-be-recognized transaction data; judging the to-be-identified transaction data by utilizing a preset judgment rule to obtain ajudgment result of the to-be-identified transaction data; inputting the transaction feature data into a pre-constructed transaction evaluation model to obtain an evaluation result of the to-be-identified transaction data, the transaction evaluation model being constructed and obtained according to sample data confirmed as fraudulent transaction, sample data confirmed as non-fraudulent transactionand unconfirmed sample data; and performing decision processing on the evaluation result and the judgment result of the to-be-identified transaction data by utilizing a preset decision rule to obtainan anti-fraud decision result of the to-be-identified transaction. By means of the embodiments of the invention, efficient and stable risk prevention and control of real-time transactions can be realized.

Provided are methods and compositions for obtaining functionally enhanced derivative effector cells obtained from directed differentiation of genomically engineered iPSCs. The derivative cells provided herein have stable and functional genome editing that delivers improved or enhanced therapeutic effects. Also provided are therapeutic compositions and the used thereof comprising the functionally enhanced derivative effector cells alone, or with antibodies or checkpoint inhibitors in combination therapies.

The invention provides an electronic transaction risk control method and device, electronic equipment and a computer readable storage medium. The method comprises the steps of receiving feature information of an electronic transaction performed in a client; determining a risk scene where the electronic transaction is located based on the feature information, and determining a risk level of the electronic transaction in the risk scene; in a plurality of risk control modes corresponding to the risk scene, determining a risk control mode matched with the risk level of the electronic transaction to serve as a target risk control mode for controlling the electronic transaction; and applying the target risk control mode to an electronic transaction performed in the client, so as to delay the process of the electronic transaction in a risk scene where the electronic transaction is located. According to the invention, the process of the electronic transaction can be effectively controlled, andthe accidental injury rate of the electronic transaction is reduced.

The invention discloses a mouth gag. The mouth gag comprises a supporting base and a threaded rod. L-shaped supporting arms are hinged to the two ends of the supporting base and sleeved with protective sleeves in a matched mode, the mouth gag further comprises nuts in threaded fit with the tail ends of the L-shaped supporting arms, trays are installed on the nuts, and when the L-shaped supporting arms are placed in the oral cavity of a patient, the two trays are arranged to make contact with the upper jaw and the lower jaw of the patient respectively. When the L-shaped supporting arms are taken out of the protective sleeves, after the nuts are in threaded fit with the tail ends of the L-shaped supporting arms, the trays are fixed to the tail ends of the L-shaped supporting arms; when the L-shaped supporting arms stretch deep into the oral cavity of the patient, the trays make direct contact with the upper jaw or the lower jaw of the patient, and the contact area between the L-shaped supporting arms and the upper jaw or the lower jaw of the patient is increased, so that stress, acting inside the oral cavity, of the L-shaped supporting arms is dispersed to reduce the pressure, borne by the oral cavity of the patient, of the L-shaped supporting arms, and the post-operation sequelae of the patient are reduced.

The invention discloses a multifunctional picker, comprising a member bar, a pair of picking scissors and an operating mechanism for driving picking and shearing, wherein the picker comprises two pairs of scissors in rotation connection and an offsetting spring; each pair of scissors comprises a scissors head and scissors handles; each scissors head comprises a knife edge and a knife back; the operating mechanism comprises a grab handle, a steel cable and a pulley component; the scissors handles of the first pair of scissors are fixed on the member bar, and the scissors handles of the other pair of scissors are connected with the grab handle through the steel cable around through the pulley component; a clamping member raised out from the edge thereof is arranged on the first pair of scissors; and the offsetting spring is arranged the two scissors handles to strut the two scissor heads and press the knife back of the other pair of scissors on the clamping member so as to be combined with the clamping member to form a pair of tongs. The multifunctional picker can shear stems and also can clamp fruits, thereby being capable of greatly reducing the accidental injuries to plants and people in picking process; and the multifunctional picker is very convenient to operate and use.

The invention discloses a fastening device for assisting in tightening a three-jaw chuck on a lathe. The fastening device comprises a right-angle hanging plate with a bolt hole, wherein an air cylinder is embedded in the horizontal end surface of the right-angle hanging plate; the lower end of the air cylinder is in power connection with a lifting rod; an arc-shaped track is arranged at the lowerend of the lifting rod; and a swinging assembly is arranged in the arc-shaped track. According to the fastening device disclosed by the invention, a plurality of groups of limiting rods which are clamped on double surfaces and are arrayed along the three-jaw chuck in an annular manner are utilized, and the limiting rods can be movably separated from abutting against an extension rod of the three-jaw chuck, so that synchronous rotation or disconnection transmission of the three-jaw chuck is controlled; the position change of oil liquid difference in a sealed pipeline is changed, so that the limiting capacity of rotation of a double-surface clamping structure part is realized, and the ordered working steps of the clamping structure part clamping-sliding out-releasing-sliding back along a circular rail are realized; and the whole process can be controlled by a program, and manual intervention is not needed, so that the problem that a workpiece is not completely fixed due to insufficient force is avoided, and the probability that workers are accidentally injured by a cutter is reduced.

The invention provides an automatic excess material recycling device for gypsum block production equipment. The automatic excess material recycling device comprises a material scraping device and a recycling device, wherein the material scraping device is arranged on a rack and is used for scraping excess materials, the recycling device is used for recycling the excess materials, the recycling device is connected with a water measuring hopper, and the excess materials are scraped by the material scraping device, fall into the recycling device and return to the water measuring hopper through the recycling device. According to the automatic excess material recycling device provided by the invention, automatic scraping and automatic recycling of gypsum excess materials in gypsum block production are realized by arranging the material scraping device and the recycling device, the resources are greatly saved, and the cost of the raw materials is reduced; by adopting the automatic excess material recycling device, the manual operation of an excess material cleaning link can be omitted, the labor cost and the possibility of accidental injury on personnel in the operation link are reduced, the excess material cleaning link can be continuously carried out after the manual operation is omitted, halfway resting is not needed, and the production efficiency is increased; in addition, the structure is simple, the design is ingenious, the running is stable, and the production cost and the manufacturing cost are low.

The invention relates to an automatic assembling machine, in particular to an automaticsolid wheel assembling machine for a production workshop. The automatic solid wheel assembling machine for the production workshop is simple in structure, simple and convenient in production process, low in danger coefficient, time-saving, labor-saving and full-automatic. The automatic solid wheel assembling machine for the production workshop comprises a base, wherein the top of the base is provided with a rack; a motor mounted on the rack; a pressing mechanism arranged at the top of the base; an air cylinder arranged on the pressing mechanism; an intermittent feeding mechanism arranged at the top of the base; and a self-locking mechanism arranged on the intermittent feeding mechanism. By arranging an intermittent discharging mechanism, an axle is intermittently conveyed to the middle of the top of the bottom plate through the intermittent discharging mechanism, and the situation that an operator manually conveys the axle and is accidentally injured by the pressing mechanism can be avoided.

The invention provides an article duplicate judgment processing method and device and electronic equipment. The method comprises the following steps: determining similar articles of a to-be-publishedarticle according to article characteristics of the to-be-published article; carrying out word segmentation processing on the to-be-published article to obtain a first word segmentation result, and carrying out word segmentation processing on similar articles to obtain a second word segmentation result; performing target processing according to the first word segmentation result to obtain a firstprocessing result, and performing target processing according to the second word segmentation result to obtain a second processing result, wherein the target processing comprises word segmentation splicing processing and/or word segmentation weight reduction processing; and according to the first processing result and the second processing result, executing a re-judgment processing operation on the to-be-published article. Compared with the prior art, when the article is subjected to duplicate judgment, the duplicate judgment effect of the duplicate judgment mode in the embodiment of the invention is better.

The invention relates to an abnormal account recognition control method, an abnormal account recognition device, equipment and a medium, and aims to solve the problems that long time is needed for identifying suspicious accounts hit by policies and the recognition efficiency is low when a large amount of abnormal contents burst in a short time. The abnormal account recognition control method comprises the steps that attribute information of an account issuing abnormal content is acquired; based on an attribute value in the attribute information, a target account containing a target attribute value is determined in the accounts issuing the abnormal content, and the target attribute value is an attribute value which is the same as or similar to a preset specific attribute value; when it is determined that the number of the target accounts is greater than a first preset threshold, selecting a part of accounts from the target accounts and pushing the accounts to a first recognition server;and pushing accounts, which are not pushed to the first recognition server, in the target accounts to a second recognition server when it is determined that the received recognition result returned by the first recognition server meets a preset condition.

The invention provides a cooperative and non-cooperative unmanned aerial vehicle recognition method and system based on multisource information. The method comprises the following steps: when a cooperative unmanned aerial vehicle flies, sending active report information to an unmanned aerial vehicle monitoring center in real time; receiving and storing the active report information by the unmannedaerial vehicle monitoring center; by virtue of radar detection equipment, acquiring location information of the cooperative unmanned aerial vehicle and a non-cooperative unmanned aerial vehicle in real time; by virtue of frequency spectrum detection equipment, acquiring location, type and frequency spectrum characteristic information of the cooperative unmanned aerial vehicle and the non-cooperative unmanned aerial vehicle in real time; associating the information acquired by the radar detection equipment with the information acquired by the frequency spectrum detection equipment, and formingcomprehensive target detection information; and comparing the comprehensive target detection information with the active report information of the cooperative unmanned aerial vehicle, and recognizingthe cooperative unmanned aerial vehicle and the non-cooperative unmanned aerial vehicle. The method provided by the invention combines the multisource information, performs recognition on the cooperative unmanned aerial vehicle and the non-cooperative unmanned aerial vehicle and can rapidly and accurately recognize the cooperative unmanned aerial vehicle and the non-cooperative unmanned aerial vehicle.

The invention discloses a whole glass tube processing system of a medium-high temperature solar heat collecting tube. A 280-segment cutting device for cutting a glass tube into 280mm glass segments, a glass tube cutting device for carrying out linearity detection on the 280mm glass segments, sizing the qualified glass segments and cutting into the required glass segments, a glass-kovar sealing device for performing kovar sealing on 280mm glass segments to form 300 segments, a glass-glass sealing device for sealing the 300 segments and the sized and cut glass segments, and a tail pipe sealing device for connecting a tail pipe to the glass segments in a sealing way are sequentially arranged along the glass tube processing direction. According to the whole glass tube processing system of the medium-high temperature solar heat collecting tube, the automation degree in the whole glass tube processing process of the medium-high temperature solar heat collecting tube is improved, use of manpower is greatly reduced, the labor intensity of a worker is reduced, the labor cost is reduced and the production efficiency is greatly improved.

The invention discloses an oral cavity expander with the protecting function. The oral cavity expander with the protecting function comprises a supporting base and a conical screw which penetrates through the supporting base and is matched with the supporting base in a threaded mode, wherein L-shaped supporting arms are hinged to the two ends of the supporting arm, a rotary head is fixed to one end of the screw, the other end of the screw is placed between the two L-shaped supporting arms, protrusions are arranged on the two sides of the edge, away from the screw, of each L-shaped supporting arm, and the L-shaped supporting arms are sleeved with protective sleeves which are matched with the supporting arms. The oral cavity expander with the protecting function further comprises sterilization layers, wherein the sterilization layers are arranged between the L-shaped supporting arms and the protective sleeves in a sliding mode. According to the oral cavity expander with the protecting function, the two sterilization layers are additionally arranged in the protective sleeves respectively, in this way, the L-shaped supporting arms are under a clean and sanitary environmental condition all the time, the oral cavity expander can be used for a patient simply by opening the protective sleeves by a user, the process of soaking an existing oral cavity expander in a disinfectant for a period of time before being used when the oral cavity is expanded is omitted, preparation time before first-aid is greatly shortened, and the forceful guarantee is provided for successful rescue of the patient.

The invention discloses anti-drone interference equipment based on a phased circular array. The anti-drone interference equipment comprises a support assembly, a power supply module, a control module,a noise module, a power division module and an antenna module which form a circular truncated cone shaped sealed cover shell structure, wherein an ARM unit and an FPGA unit analyze an interference instruction, set working parameters and generate broadband and narrowband noise signals of an L waveband, an S waveband and a C waveband, and 360-degree omnibearing electric scanning and interference ofdrone targets at various distances are achieved through utilizing a circular array formed by amplifying, phase shifting and antenna switching units.

An epididymis/testicular puncture sperm retrieval device belongs to the field of medical devices. The device comprises a fixing bracket for mounting a testis holder, a puncture needle holder and a four-way joint holder, a puncture needle with a cutting inner core and capable of achieving pressing type rotation, an adjustable vacuum extractor, an adjustable syringe pump and a squeezable small container with scales, and the latter four are connected by four-way joints and transparent hoses. A bracket rod is fixed to a base by bolts, and the testis holder is provided with a B ultrasonic probe fixing clip. The puncture needle holder is combined with an adjustable connecting rod by a needle holder and fixed on the bracket. The adjustable vacuum extractor, the adjustable syringe pump and the squeezable small container with scales are connected with the puncture needle through the hoses and the four-way joints. All components of the device can be removed and combined as required. The device is simple in operation and convenient to carry after assembly, can be operated by one person, saves human resources and reduces medical assistance accidental injury.

The invention discloses a virtual prop control method. The method comprises the following steps: displaying a virtual operation object in a target game application; when a first touch operation for the throwing control is detected, controlling the virtual operation object to enter a throwing preparation state, and displaying a throwing track and a prompt icon located at a track drop point position, wherein the throwing track is a track which is sent from a track starting point position where the virtual throwing prop is located to the track drop point position and is used for previewing a throwing path; when the first touch operation is continuously detected within a preset duration, controlling the prompt icon to move from the track drop point position to the track starting point position along the throwing track; and when it is detected that the first touch operation is released within the preset duration, controlling the virtual operation object to throw a virtual throwing prop. The invention further provides a device, equipment and a medium. According to the method, the urgency feeling of the virtual throwing prop when the virtual throwing prop is close to explosion can be vividly restored, prompting performance and a focusing degree are enhanced, and the probability of accidental injury is reduced.