220results about How to "Avoid potential risks" patented technology

The invention discloses an identity authentication method. User name information is collected; the configuration information corresponding to a user name is obtained according to the user name information, and two or more different authentication modes are configured in the configuration information so as to conduct authentication on the user identity; the input mode of the authentication information input by a user is verified according to the authentication modes configured in the configuration information; if verification is qualified, the authentication information input by the user is verified. The invention further discloses an identity authentication device. By means of the identity authentication method and device, authentication reliability can be improved, advantages brought by different authentication modes can be fully played, the authentication modes are convenient to replace, dynamic authentication combination can quickly change the related authentication modes, and thus potential risks are prevented, and the identity authentication method and device are easy to implement and controllable in cost.

A safety structure for a needle of a syringe including an external bushing connected with a base, and a barrier structure on the base contacts with the needle, which has an extended bushing on a base frame. At the front end of the bushing there is an extended cannula with an outer edge through which a needle is inserted. The external bushing is made of soft materia. A trocar boring on a front end of the base is connected with the trocar-admitting part. Moving the barrier structure away from the needle and pushing the base back, the trocar boring of the base covers outside of the outer edge of the needle. The base is fixed on the needle by friction between a wall of the trocar boring and the outer edge of the cannula.

The invention provides a high strength seamless steel pipe with excellent low temperature toughness and manufacturing method thereof. The steel pipe comprises 0.15%-0.20% of C, 0.20%-0.30% of Si, 0.2%-0.5% of Mn, no more than 0.010% of P, no more than 0.003% of S, 0.6%-0.8% of Cr, 0.4%-0.7% of Mo, 1.0%-1.4% of Ni, 0.01%-0.035% of Nb, 0.01-0.05% of Als and the balance of Fe. The method comprises steps of: (1) smelting: pretreated molten iron with sulfur no more than 0.005%; and after smelting: P<=0.010%, S<=0.003%, O<=0.002%, N<=0.006% and H<=0.0002%; (2) manufacturing of round billet: degree of superheat of continuous casting superheat of square billet less than 30 DEG C, casting speed fluctuation less than 0.05m / min, straightening temperature higher than 950 DEG C and square billet heating temperature of 1300-1340DEG C; (3) steel pipe molding: billet heating temperature of 1250-1300 DEG C, piercing temperature higher than 1200 DEG C, continuous rolling temperature higher than 1050 DEG C, and sizing and reducing temperature higher than 800DEG C; and (4) heat treatment: quenching temperature of 900-920 DEG C, tempering temperature of 500-600 DEG C and tempering time longer than 60 min. The product provided by the invention has yield strength of 125ksi, and -60DEG C impact energy greater than 40J.

An integrated container customs seal at least comprises: a sensor for sensing opening and closing states of the container door; a wireless transmitting and receiving module capable of communicating with a wireless terminal and realizing data transmission; an alarming element; and a control circuit respectively connecting with the sensor, the wireless transmitting and receiving module and the alarming element to receive and process signals of the sensor, control the wireless transmitting and receiving module to transmit and receive signals, control the alarming element to send alarm signals; the alarming element is an apparatus which is disposed on the external part of the container and can send naked eye recognizable signals under the control of the control circuit. The invention integrates the electronic customs seal and naked eye recognizable visualized customs seal to judge the illegal opening of the container door and alarm, so as to realize dual alarm and classified management of the container, and improve the container detection efficiency.

The invention belongs to the field of inspection and quarantine technology. Specifically, the invention is a nucleic acid detection reagent kit for synchronous discriminating and diagnosing avian influenza virus and newcastle disease virus. The detection reagents of the reagent kit include extraction reagent for extracting virus by silicon gel absorption column method, detection amplification reagent for detecting nucleic acid by RT-PCR Taq Man fluorescent probe method, and pretreatment liquid for solid tissue specimen for extracting virus RNA. Further, the invention employs in vitro transcription RNA as a positive contrast of the reagent kit. The reagent kit can rapidly and synchronously discriminate and diagnose avian influenza virus and newcastle disease virus which are highly infectious among avian plagues and have similar symptom, determine current major prevalent subtypes, such as H5, H7, H9, etc., and discriminate whether a infection source is an avian influenza having high pathogenicity, non-pathogenic avian influenza or mildly pathogenic avian influenza to human. The reagent kit is suitable for livestock and veterinarian station, import and export inspection and quarantine bureau, as well as other laboratories, and can be used for large-scale detection of influenza and epidemic surveillance.

Embodiments of the invention provide a supplier financial risk prediction method and device. The method comprises the steps of obtaining financial risk index data of a target supplier; inputting the financial risk index data into a preset convolutional neural network model, and taking the output of the convolutional neural network model as a financial risk prediction result corresponding to the target supplier; and outputting a financial risk prediction result corresponding to the target supplier. According to the invention, the supplier financial risk can be predicted through the deep learning convolutional neural network with the self-learning capability, and the accuracy of supplier financial risk prediction can be effectively improved, so that the potential risk of the supplier can beeffectively avoided, and the operation reliability of the enterprise can be ensured.

The invention provides a novel degradable stopper implanted through a guide pipe. The novel degradable stopper comprises a ball bag, a supporting rod and degrading liquid. The supporting rod is fixedly connected with the ball bag, the periphery of the supporting rod is wrapped by the ball bag, and the degrading liquid is a biological material which can be degraded and absorbed and is arranged in the ball bag in a filling mode to play a supporting effect. The invention further provides a conveying system of the novel degradable stopper implanted through the guide pipe. The conveying system comprises a long sheath, an inner core, a loader, a pushing rod and an infusion pipe. The stopper is made of degradable materials, foreign objects are not left in vivo, and a long-term effect is obvious. In addition, the stopper is of a ball bag type structure, and the inner filler of the stopper is temperature-sensitive hydrogel. When an abnormal defect is blocked, the stopper can be attached to the periphery of the defect completely, and especially a better blocking effect is achieved on irregular defects. The stopper can be suitable for blocking of the patent ductus arteriosus and can be made into a stopper suitable for atrial septal defects and a stopper suitable for ventricular septal defects through changing of the shape of the ball bag.

The invention provides a nuclear power station diversity protective system hardware architecture based on field programmable gate array (FPGA), aims at solving the technical problem to avoid potential risks caused by software common mode failure, and belongs to the industrial automatic control field. The architecture is characterized in that a card piece comprises an analogy quantity input card, a logical processing card, a digital quantity input/output card and a communication card, the card piece respectively uses the FPGA as a logical processing component, the analogy quantity input card and the digital quantity input/output card respectively carry out data transmission through a signal transmission line and the logical processing card, and the analogy quantity input card, the digital quantity input/output card, the logical processing card, an upper computer and display equipment respectively carry out the data transmission through the signal transmission line and the communication card. The architecture solves the problem of the potential risks brought about by the software common mode failure, and improves reliability of a nuclear power station instrument control system. Simultaneously, self diagnosis, real-time monitor, parameter setting and online channel test of the card piece can be carried out, and flexible card piece arrangement can ensure expandability and integrity of a whole hardware platform.

The invention relates to surface display of proteins on microorganisms via the targeting and anchoring of heterologous proteins to the outer surface of cells such as yeast, fungi, mammalian, plant cells, and bacteria. The invention provides a proteinaceous substance comprising a reactive group and at least one attaching peptide including a stretch of amino acids having a sequence corresponding to at least a part of the consensus amino acid sequence listed in FIG. 10 and further includes a method for attaching a proteinaceous substance to the cell wall of a microorganism comprising the use of the attaching peptide.

The invention provides a method and a device for verifying terminals in an LTE (Long Term Evolution) enterprise network. A plurality of LTE base stations are arranged in the LTE enterprise network, and the method comprises the following steps of receiving the identity information which is stored in an identity information storage terminal and read by an identity information reading device after contacting with the identity information storage terminal, wherein the identity information reading device is located in an area covered by the LTE enterprise network; according to the identity information, obtaining the current location of an LTE communication terminal which has the same identity information with the identity information storage terminal, wherein the current location of the LTE communication terminal is determined by signal strength representation values of a plurality of LTE base stations searched by the LTE communication terminal in the LTE enterprise network; and verifying the identity information storage terminal through comparing the current location of the LTE communication terminal with the location of the identity information reading device. With the method and the device, potential risk to storeroom safety caused by loss of an entrance guard card can be avoided.

The invention belongs to the technical field of gene sequencing and particularly discloses a gene sequencing library preparation device. The device comprises a card case holding unit, a card case locking unit, a liquid supply drive unit, a card case rotation drive unit and a controller, wherein the card case holding unit comprises a holding support and a holding groove located on the holding rackand used for holding a card case; the card case locking unit is used for locking the card case in the holding groove; the liquid supply driving unit comprises a first drive mechanism for driving an injection body of an injection unit of the card case and a second drive mechanism for driving of injection head communicated with the fluid of the injection body to rise and fall, so that the injectionbody performs injection and suction operation on accommodating grooves in a circular base plate of the card case; the card case rotation drive unit is used for driving the circular base plate of the card case to rotate around the axis, and the injection head can perform injection and suction operation on multiple accommodating grooves in the circular base plate; the controller controls the workingstates of the card case holding unit, the card case locking unit, the liquid supply drive unit and the card case rotation drive unit. The gene sequencing library preparation device can realize automation of library preparation.

The invention provides a CIP-SIP (cleaning in place-sterilizing in place) system for a bottle cleaning machine. The CIP-SIP system is characterized by comprising an injection water cleaning process pipeline, a purified water cleaning process pipeline, a clean air blowing process pipeline, a steam sterilizing process pipeline, a circulating water cleaning process pipeline and an ultrasonic pre-injection water process pipeline. The CIP-SIP system has the advantages that shortcomings in the prior art can be overcome by the aid of the process system, potential risks due to pipeline disassembly can be prevented, and cleaning in place and sterilizing in place operation can be implemented; all operation is implemented under the control of a PLC (programmable logic controller), and the CIP-SIP system is simple in operation and effectively conforms to pharmaceutical industry standards.

The invention provides a vehicle-mounted equipment power supply system background monitoring and management platform. The background monitoring and management platform comprises an application server, a route connection service cluster, and a database service cluster, a management terminal and a management connection service cluster which are in mutual communication with the application server. The vehicle-mounted equipment power supply system background monitoring and management platform provided by the invention is a platform for realizing state and fault comprehensive analysis and integrated management and control of vehicle electrical equipment, the server cluster and big data processing system structure is adopted by the background monitoring and management platform to support real-time monitoring and management of a plurality of vehicles, the storage of a large amount of data and real-time data flow processing.

In the field of biological technology, a stem cell culture method is provided. The method includes preparing an amniotic epithelial cell feeder layer that is not treated to lose the division ability; and seeding the stem cells onto the amniotic epithelial cell feeder layer, and culturing in a culture medium. The stem cell culture method according to the present invention does not require the treatment of the feeder layer cells to lose the division ability, and is thus simple and safe, thereby effectively solving the problem of contamination caused by animal-derived ingredients in culture of human stem cells at present, greatly reducing the culture cost of the stem cells, and providing a safe, effective, and inexpensive stem cell culture method for the industrialization of the stem cells in the future.

An electrical control lock device comprises: a safety casing which is provided at least one cover body; a rotating shaft, which is connected fixedly with a locked part and drives the locked part outside the casing to rotate, is provided in the casing; a locking plate which is perpendicular to said rotating shaft is arranged fixedly on the rotating shaft, and said locking plate is provided with a pin control portion; a lock pin which selectively drops into the pin control portion and said lock pin is driven by a power motor to rotate; and a control portion which controls the rotating of the power motor according to a guiding control instruction in order that the lock pin drops into the pin control portion to enable that the locking plate and the locked part are locked.

The invention discloses a culture medium used for culturing adipose mesenchymal stem cells, and applications thereof. The culture medium comprises insulin human, human serum albumin, transferring, fibronectin, ascorbic acid, biotin, PDGF, bFGF, and TGF-beta. It is confirmed by experiments that culturing with the culture medium is capable of obtaining a large amount of high quality mesenchymal stem cells, and the mesenchymal stem cells possess excellent stem cell characteristics, higher immunosuppression activity, and low immunogenicity, and are more suitable to be used for allogeneic cell therapy. The potential risk of clinical applications of exogenous animal serum is avoided, cell pollution rate is reduced, proliferation of human adipose mesenchymal stem cells is promoted, aging speed of human adipose mesenchymal stem cells in in-vitro culture is reduced. Requirements on large scale industrialized production of adipose mesenchymal stem cells needed by clinical therapy are satisfied, and problems such as unstable properties of different batches and high cost are solved at the same time.