235results about How to "Reduce risk of exposure" patented technology

Methods and systems are disclosed for treating injury to cardiac tissue by delivering a composition which provides structural support to the cardiac tissue. The composition helps to prevent chamber remodeling by providing structural reinforcement of the tissue or structural reinforcement of the tissue combined with biological therapy. The structurally reinforcing composition can thicken the wall of a heart, or act to prevent further thinning and thereby provide resistance against further remodeling. A number of compositions are disclosed, including multi-component substances such as autologous platelet gel, and other substances. The compositions disclosed can contain additives to augment / enhance the desired effects of the injection.

A system and methods of the present invention advantageously provide efficient mail processing and handling that, as compared to existing procedures, enhances detection within the mail being processed or handled of biological, germ, chemical, or other harmful agents. A system and methods provide additionally a higher level of quality and consistency for processing and handling mail so that concerns over contamination of postal workers and potential mail recipients are reduced. A system and methods further provide enhanced disabling of contaminated mail contents, mail, mail equipment, mail containers, and mail personnel due to exposure or contact with harmful agents associated with mail.

Various implementations of a fluid collection system having a flexible liner are disclosed. In one exemplary variation, the fluid collection system may include a flexible liner configured to collapse, a plurality of containers, back storage, specimen collection containers, and / or automatic connection to a suction source to reduce the volume of medical wastes, reduce the frequency of disposal cycles, reduce risk of exposure to potentially hazardous waste.

Methods and systems are disclosed for treating injury to cardiac tissue by delivering a composition which provides structural support to the cardiac tissue. The composition helps to prevent chamber remodeling by providing structural reinforcement of the tissue or structural reinforcement of the tissue combined with biological therapy. The structurally reinforcing composition can thicken the wall of a heart, or act to prevent further thinning and thereby provide resistance against further remodeling. A number of compositions are disclosed, including multi-component substances such as autologous platelet gel, and other substances. The compositions disclosed can contain additives to augment / enhance the desired effects of the injection.

The contained module (1) comprises inlets for an active pharmaceutical ingredient (API) and for an excipient. The inlets are in fluid communication with at least one mixing unit (41,46), and the outlet of the tablet press (6) is in fluid communication with the releasable outlet port for tablets. The material stream comprising the API and the excipient is mixed in the mixing units. During operation parameters of the contents of the material stream are measured with one or more analytical sensors upstream of the tablet press. The speed of the tablet press is controlled in response to the parameters measured upstream of the tablet press. The finished tablets are discharged at an outlet of the tablet press (6).

A wood preservative composition comprising micronized particles of organic biocide is provided. The composition comprises a dispersion comprising particles in the range of 0.001 to 25 microns. Also provided is a method for the application of the preservative composition to wood. In addition, wood products which have been treated with the preservative composition are also provided.

Various embodiments of a fluid collection system having multiple storage chambers are disclosed. In an exemplary embodiment, the system may include a first chamber in fluid communication with a suction source and a second chamber in fluid communication with the first chamber. The second chamber may have a volume less than a volume of the first chamber. The second chamber may also comprise an inlet port for connecting to an external tube. The system may be configured to selectively drain liquid from the second chamber into the first chamber.

Systems and methods are provided that predict the accuracy of expert forecasts based on a corpus of prior expert forecasts. Expert forecasts (also referred to as opinions) are analyzed and processed to determine an opinion and related positions expressed by the expert. Each opinion is combined with relevant industry information to create a structured model for the opinion. A plurality of structured models for a given expert are then analyzed along with information related to the actual outcome of prior predictions to create a decision model for the particular expert. A new opinion issued by an expert is then analyzed using the decision model for that expert to predict the accuracy of the new opinion from the expert. Recommended actions in accordance with or against the new expert opinion may then be provided.

A system for tracking movement of assets or persons includes a presence sensor coupled to an RFID exciter or transmitter. Upon detection of object presence by a sensor, the exciter is turned on and caused to transmit an RFID tag exciting signal. The signal may be received by and activate a corresponding RFID tag that is within range of the exciter. The RFID tag may then transmit its ID, the ID of the exciter, and the sensed presence information to a remote RF receiver and back-end data processing system.

The invention discloses a block chain business data processing method and device and electronic equipment. The method comprises the following steps of: obtaining to-be-stored business data and a corresponding original main key; encrypting the original main key according to a preset rule so as to generate an encrypted main key; and storing the to-be-stored business data by taking the encrypted mainkey as an index. According to the method, the risk of exposing business data in block chains is reduced, the safety of the business is improved and the user experience is improved.

A urology drape is disclosed which comprises a flexible sheet (12) which has a flexible hood (22) overlying part of the sheet (12) to form a repository (24) between the sheet (12) and the hood (22). The sheet (12) has a hole (18) to enable a procedure to be performed on a patient when the drape is located on the patient. Bodily fluid is able to flow from the hole down the sheet (12) into the repository (24) and when the procedure is finished, the drape can be folded or otherwise collapsed into a disposable package so that the drape and fluid can be disposed of in a hygienic manner.

The invention discloses a combined prevention and control method for cadmium exceeding of rice in medium-light cadmium-polluted soil. The method comprises the following steps of: uniformly spreading a soil passivant onto the surface of medium-light cadmium-polluted soil before ploughing and fertilizing the medium-light cadmium-polluted soil; uniformly stirring; balancing for over three days, and applying a basic fertilizer; transplanting low-cadmium-absorption paddy rice onto soil to which the basic fertilizer is applied; and adopting a flooding irrigation management measure at the infertility period of the low-cadmium-absorption paddy rice to complete combined prevention and control of cadmium exceeding of rice. The method disclosed by the invention has the advantages of low cost, environment friendliness, saving in resources, easiness in operating, and the like, the biological effectiveness of cadmium in acid heavy metal-polluted soil can be effectively lowered, and cadmium accumulation of rice is reduced.

The invention discloses a passivator for treating Cd / Pb-polluted soil. The passivator is proportionally composed of biochar, red mud and monoammonium phosphate. When the passivator is in use, a TCLP (toxicity characteristic leaching procedure) process is utilized to evaluate the heavy metal pollution conditions in soil, the weight of the passivator is determined according to the mass ratio of the soil, and the passivator is applied into the soil many times at appropriate time intervals, thereby effectively improving the soil microenvironment. In the slightly alkaline high-reducibility soil, the mobility of Cd and Pb is greatly lowered, and the biochar can absorb abundant Cd and Pb in the soil. The nano red mud has fine particles, contains rich iron aluminum oxides, and can effectively combine Cd-Pd; the applied monoammonium phosphate and red mud further enhance the Cd / Pb adsorptivity, thereby obviously lowering the bioavailable-state Cd / Pb content in the soil, and greatly lowering the Cd / Pb content in crops. Meanwhile, the passivator has high soil environment friendliness, can not generate secondary pollution, and thus, has popularization and application values.

The invention relates to the technical field of patient location verification in a radiation therapy process, and particularly relates to a real-time verification device and method for patient placement in radiation therapy. The device comprises a first optical camera, a second optical camera and a third optical camera, wherein the first optical camera, the second optical camera and the third optical camera are arranged around a therapy bed. Each optical camera is arranged on a corresponding support. The first optical camera is arranged in front of the therapy bed. The second optical camera and the third optical camera are arranged on both sides of the therapy bed. Three optical cameras are connected with a video acquisition card through a video cable. The video acquisition card is arranged on a graphics workstation. A video calibration board is arranged on the therapy bed and corresponds to the head, the feet, the left side and the right side of a patient. The video calibration board acquires calibration images to calibrate the cameras. The graphics workstation uses an algorithm and software to control the cameras to realize the real-time verification of the patient placement. The device and method can realize accurate placement guide and verification of the patient, which greatly improves the accuracy of radiotherapy.

Self controlled method and system for identified, treatment and weaning from computer and Internet addiction. On one embodiment of the invention, the system analyzed user activity on the computer and while surfing the Internet, and presents results of his addictive level visually on user's interface. Supporting the whole information of addictive level to the user, give him the power to fight against the phenomena and prevent to increase it.The user can decide whether he wants treatment and act to have it by personal actions or by involvement of third parties such as parents, therapist, support group or even a specific social website. For weaning from the addiction the system can provide positive feedbacks, special treatment and even presents and prizes if the user reduced dramatically his addictive level.

A fluid collection system includes a disposable collection container and a disposable collection container receiving housing, the housing having a cavity and a suction source. The fluid collection container may include a flexible liner and a shelf for diverting fluid from the suction and to assist with a collapse of the liner during evacuation of the fluid from the liner. The collection container receiving housing may include a piston assembly having a main piston body and a scraper ring. The collection container receiving housing may include a piston stop feature. The system may include a partially hydrophobic filter and a flat surface suction tool.

The invention relates electric furnace converting steel-making process technology that contains 80-90% molten iron, waste steel, pig iron and other cold burden 10-20%. The temperature of the molten iron in electric furnace is controlled to the range of 1550-1580 degree centigrade. The invention supplies a method of using molten iron to take the place of waste steel. Thus, it has great economic benefits, reduces the smoke and improves the operation environment.

The present invention discloses a multiple-nuclide gamma imaging system and method and belongs to the field of medical imaging. The multiple-nuclide gamma imaging system comprises a multiple-nuclide tracer injection module, a multi-nuclide scintillation crystal detector module, a configurable circuit module and an image reconstruction and imaging module. The multiple-nuclide gamma imaging method comprises the following steps: S1, starting the imaging system, setting acquisition time of the imaging system, and injecting 11C, 13N, 15O and 18F labeled compounds into an imaging object; S2, obtaining a decay event emission gamma pulse data set by positioning a gamma detector; S3, outputting an electrical signal (scintillation pulse) by a silicon photomultiplier; S4, conducting time discrimination, energy discrimination, data acquisition and coincidence processing by a detector; and S5, displaying images in a tomographic manner by a computer. The disclosed multiple-nuclide gamma imaging system and method can obtain more comprehensive data than the prior art, comprehensively analyze multi-molecule events and related influences, reduce requirements on the total gamma photon counting, reduce irradiation risks on organisms and improve a signal-to-noise ratio of reconstructed images.

The invention relates to a secondary-side passive waste heat discharging system for a ship pressurized water reactor. The system comprises a safety shell, and a high-altitude water tank arranged outside the saftey shell and in a wall face of a ship body, and the system also comprises a reactor pressure container, a steam generator and a passive waste heat discharging condenser, wherein the steam generator is higher than the reactor pressure container in position, and a primary side of the steam generator is communicated with the reactor pressure container respectively by virtue of a main pipeline cooling section and a main pipeline hot section; the passive waste heat discharging condenser is soaked in a water source of the high-altitude water tank, and the bottom of the passive waste heat discharging condenser is higher than a liquid surface in the steam generator; and the passive waste heat discharging condenser is communicated with a secondary side of the steam generator respectively by virtue of a steam pipeline and a condensation pipeline. When a whole ship is in power failure, the waste heat of a ship pressurized water reactor core can be led out by virtue of the natural circulation of a system loop, the advantage of higher natural circulation capacity can be realized, and the safety, the reliability and the economic performance of the ship pressurized water reactor can be improved.

Self controlled method and system for identified, treatment and weaning from computer and Internet addiction. On one embodiment of the invention, the system analyzed user activity on the computer and while surfing the Internet, and presents results of his addictive level visually on user's interface. Supporting the whole information of addictive level to the user, give him the power to fight against the phenomena and prevent to increase it.The user can decide whether he wants treatment and act to have it by personal actions or by involvement of third parties such as parents, therapist, support group or even a specific social website. For weaning from the addiction the system can provide positive feedbacks, special treatment and even presents and prizes if the user reduced dramatically his addictive level.

The invention discloses a magnetic sensor easy to encapsulate, which includes four cantalevers, a cantilever anchor area, a first support pillar, a metal layer, a monox film and a silicon film, wherein the cantilever anchor area is fixed on the top surface of the first support pillar; the four cantalevers are crossed and fixed on the side wall of the cantilever anchor area; a circle of metal wire is arranged on the top surface of each cantilever; eight connection through holes are arranged at the cantilever anchor area and the first support pillar; the metal layer is connected with the metal wire through the connection through holes; the monox film is fixed on the top surface of the silicon film; the metal layer is fixed on the top surface of the monox film; the first support pillar is fixed on the top surface of the metal layer; eight bonding pads are positioned on the outer sides of the cantalevers; second support pillars are arranged between the bonding pads and the metal layer; connection holes are arranged in the second support pillars; and the metal layer is connected with the bonding pads of a sensor through the connection holes. The magnetic sensor is convenient to encapsulate, and reduces the influence of leading wires on the performance of the sensor.

A drive unit (20) for a motorised bicycle (10) adapted to be at least partly powered by an electrical motor (18) is disclosed. The drive unit (20) comprises: a battery pack (84) including one or more battery cells (22) for providing the electrical motor with electrical energy, and a battery pack support (70, 72) for connecting the battery pack to the frame (12), where the battery pack support and the battery pack are adapted for positioning a battery cell of the one or more battery cells between the first (64) and second (66) sprockets of the motorised bicycle.

The invention belongs to the technical field of air purification equipment and particularly relates to a culturing device for formaldehyde degradation bacteria. A reaction tank which is of a box-type structure consists of a tank cover and a tank body; an air inlet pipeline reaches the bottom of the reaction tank through the tank cover; an aeration pump is arranged at the outer end of the air inlet pipeline; a swirl-mixing aerator is arranged at the inner end of the air inlet pipeline; a micro-porous biological filtering membrane is arranged at the end, close to the aeration pump, inside the air inlet pipeline; a temperature controller is arranged at the lower right part inside the tank body; a sampling hole is formed at the lower right part outside the tank body; a tail gas absorbing bottle is arranged in a central line at the top outside the tank cover; a tail gas pipeline is led out from the tail gas absorbing bottle, penetrates through the tank cover and then is provided with a tail gas collecting opening; a supplementing pipeline penetrates through the tank cover and then is provided with a valve and a supplementing opening in sequence. The culturing device is simple in structure, safe to use, convenient in preparation method, reliable in principle and low in cost, is capable of reducing the risk of exposure to surrounding people, and is applicable to screening, acclimatization and batch culture of formaldehyde degradation bacteria.

A fluid collection system includes a disposable collection container and a disposable collection container receiving housing, the housing having a cavity and a suction source. The fluid collection container may include a flexible liner and a shelf for diverting fluid from the suction and to assist with a collapse of the liner during evacuation of the fluid from the liner. The collection container receiving housing may include a piston assembly having a main piston body and a scraper ring. The collection container receiving housing may include a piston stop feature. The system may include a partially hydrophobic filter and a flat surface suction tool.

An X-ray imaging apparatus includes an X-ray tube, an X-ray generation control unit configured to control the X-ray tube with a controller and a power supply, and a holding unit configured to hold the X-ray tube. The holding unit includes two support legs to be spread at an arbitrary angle, and a connecting portion configured to turnably connect upper ends of the support legs. The holding unit holds the X-ray tube near the connecting portion.

The invention discloses an Internet of Vehicles system and method based on secret sharing and an alliance chain. The system comprises a vehicle-mounted unit arranged on a vehicle, and an alliance chain server and an alliance chain client which form an alliance chain, wherein the alliance chain server side comprises an Endorser, a Committer and an Order, and the Committer is connected with the Order. Vehicle registration, secret key card issuing and authentication requests are submitted to an alliance chain server through an alliance chain client, only private keys of the alliance chain serverand the client need to be stored in secret key cards of the clients, and needed information is stored in alliance chain data. According to the invention, the blockchain architecture is applied to theInternet of Vehicles; a server private key and a vehicle ID are respectively stored in an alliance chain service in a distributed manner in a secret sharing manner; a traditional centralized server for centrally mastering user information is omitted, the outside cannot completely obtain complete vehicle ID information and server private key information, the information of a vehicle owner is not prone to leakage, and the anti-attack performance of the Internet of Vehicles system is further enhanced.

The invention discloses an authentication method of an application, a terminal and a computer readable storage medium. According to the method of the invention, when an application is in a foregroundrunning state, whether operation for opening a webpage occurs in the application is monitored; if the operation for opening a webpage occurs in the application, temporary user identity authenticationinformation during the current authentication information validity period of the application is obtained; when a preset condition is met, the temporary user identity authentication information is sentto a server providing the webpage; since the temporary user identity authentication information is only valid during the current authentication information validity period, and the duration of the authentication information validity period does not exceed a preset threshold, the effective duration of the temporary user identity authentication information can be effectively limited, a risk that the temporary user identity authentication information is exposed and captured can be decreased, and potential safety hazards in a webpage embedded in an application in the prior art can be avoided.

The invention provides a treatment device for tritium gas and tritiated water, which integrates catalytic oxidation of the tritium gas with collection of tritiated water together, and can be used as a tritium sampler. The device comprises a tritium gas catalytic oxidation working room and a refrigeration system, wherein to-be-treated exhaust gas containing tritium firstly flows through the tritium gas catalytic oxidation working room; under the action of a catalyst, the tritium gas is subjected to catalytic oxidation to generate tritiated water vapor; the tritiated water vapor enters into a convection chamber of the refrigeration system and is quickly condensed to generate liquid tritiated water; the liquid tritiated water is collected by a collector. The treatment device for tritium gas and tritiated water, disclosed by the invention, can be directly connected to a tritium gas circulating front end of a purification system for treatment of the to-be-treated exhaust gas containing tritium, and also can be connected to a tritium circulating middle part of a nuclear facility, in order to monitor tritium in the nuclear facility environment in real time by catalyzing, condensing and collecting tritium in the atmosphere; meanwhile, the device is further applicable to emergency treatment for high radioactive tritium gas and tritiated water in the nuclear accident field.