187results about How to "Safe and efficient to use" patented technology

The present invention relates to capital equipment units, such as systems for providing medical treatment, that are associated with smart supplies. The smart supplies are tagged with data carriers which may encode such information as a unique ID for the supply or component, the identification of the supply or component, the identification of the source of the supply or component, the status of whether said supply or component has been previously used, the expiration date of the supply or component, and in the case where the supply or component contains drug, the purity levels of the drug and the concentration levels of the drug. The capital equipment units or their users then utilize the information to assure quality of any procedure run with the units, by way of improved pre-use checks, certification of the supplies for use, record keeping, inventory control, and charge capture.

A reverse angled threadform with anti-splay clearance includes inner and outer helical threads, each with respective leading stab flanks and trailing load flanks, the load flanks mutually engaging when an inner member with the inner threads is advanced into an outer member with the outer threads. The inner load flanks form acute angles with a helical axis, while the outer load flanks form obtuse angles with the helical axis. The clearance is formed between the stab flanks of the inner and outer threads. On threadforms with root and crest other than angular peaks, such as cylindrical root and crest surfaces, the anti-splay clearance is also formed between the mutually facing root and crest surfaces of the inner and outer threads. The load flanks may be parallel, outwardly diverging, or outwardly converging.

A medical implant structure includes a pair of helically wound interlocking forms located on a cylindrical closure for an open headed medical implant and in a receiver between arms of the implant respectively. The interlocking forms each include overlapping gripping elements that engage mating elements during assembly to prevent radial splaying of the arms of the implant. The structure includes dove-tail-like and jig-saw-puzzle-like interlocking forms.

The invention provides a cloud platform expansion method and a cloud platform expansion system based on a micro-service architecture. The cloud platform expansion method comprises the steps of: building a service adapter component; building an authentication caching service component to perform caching on state information of a user after login; building productization-independent subsystem services through adoption of a micro-service mode architecture with separated front and back ends; performing login by a front end user to achieve interactive authentication with a server; and enabling thecorrelated subsystem services to form an integrated system network. The cloud platform expansion system comprises an encryption module used for performing identity authentication on requests of each open type interface, a load balancing module used for automatically selecting the optimal node when nodes are unstable, and a circuit break module used for requesting circuit break and automatically switching a line to perform retry when node response is overtime. The cloud platform expansion method and the cloud platform expansion system of the invention have the beneficial effects that: through adoption of the service adapter component, originally independent subsystems are contained in one network system, thus subsystem service expansion is flexible, and through adoption of a local service registry mechanism, a network can be used to connect data efficiently and safely.

A cost effective, safe and efficient baseball practice equipment that sets up as a practice batting tee in one mode and converts to a practice pitching strike apparatus as a second mode is provided. The practice batting tee has a base member, an extension, a vertical member with an upper end ball support and multiple mounting means for mounting the vertical member onto the base member and extension. The vertical member varies in height to adjust to the batter's height. The multiple mounting means are arranged between the base member and extension which allows for the batter to contact the ball along the edges of the base plate or in front of the base plate. As a second mode, the practice pitching strike zone has a base member, an extension, a first and second vertical members and mounting means for mounting the two vertical members. The first and second vertical members are adjusted in height such that a lower strike zone, middle strike zone and an upper strike zone is created between the vertical members.

An electrical lighting system. The lighting system includes a flexible track mounted by adhesive backing strips. The system may be connected to a standard household electrical outlet, connected to an existing light fixture or hardwired into the household electrical system. The system also includes adjustable hanging fixtures and undercabinet low profile fixtures

A method and metal equipment for use in wells, wherein metal equipment is used in the operation and drilling of a well, and wherein the metal equipment has a surface. In one embodiment, the method comprises applying a polyphenylene sulfide coating to the surface and curing the polyphenylene sulfide coating. In other embodiments, the method further comprises cleaning the surface before applying the polyphenylene sulfide coating. Additional embodiments include the method further comprising applying a primer coating to the surface.

A display fixture anchor system including a first panel having integral connectors and threaded and unthreaded apertures. The first panel is adapted to abut and fasten to at least one type of display fixture and to also connect via the integral connectors to a connection element, such as a slotted standard, to a particular type of store gondola. The system includes a first panel used as the head of a bolt for engaging vertical webs such as wire grids on display fixtures, in conjunction with a second panel used as an adaptable washer having multiple apertures. The system also includes a first panel used as a channel for receiving a tubular perimeter frame of a display fixture. Custom hybrid use of a first panel is also included. Methods of use and manufacture are provided within the system.

The invention relates to a three-dimensional scanning method containing multiple lasers with different wavelengths. A scanner for implementing the three-dimensional scanning method comprises a camera and at least two laser projectors with the position being fixed, wherein the at least two laser projectors correspond to at least two different wavelengths, and positional relations between spatial positions of light curtains projected by the laser projectors and the camera are calibrated to be known. The three dimensional scanning method comprises the steps of recognizing and acquiring a highlight center two-dimensional line according to a 2D pattern, which is shot by the camera, of a laser contour line projected to the surface of a scanned object, and then calculating according to a triangle method principle to acquire spatial three-dimensional point cloud data. The invention provides a scanner for implementing the three-dimensional scanning method containing multiple lasers with different wavelengths. The three-dimensional scanning method containing multiple lasers with different wavelengths and the scanner have multiple different wavelengths, are good in applicability, increase the reusability of the single scanner, and improve the cost performance ratio.

The invention relates to a lithium ion battery group matching method, which includes: S1. subjecting a plurality of lithium ion batteries to electric discharge to cut-off voltage, and then performing standing; S2. conducting constant current charging on the plurality of lithium ion batteries to cut-off voltage, recording the charging capacity C1, the charging mean voltage V1 and the first voltage change value delta E1 before and after charging, and then conducting laying; S3. Performing constant-current discharge on the plurality of lithium ion batteries to cut-off voltage, measuring the discharge capacity C2, the discharge mean voltage V2 and the second voltage change value delta E2 before and after discharge, and then conducting laying; S4. conducting charging on the plurality of lithium ion batteries, then performing laying, and measuring the voltage drop delta V and internal resistance R; and S5. according to C1, V1, delta E1, C2, V2, delta E2, delta V and R, carrying out group matching based on grading standards. Through the lithium ion battery group matching method provided by the invention, group matching can better coincide with the actual state, and the use performance of a battery module can be better, thereby realizing safe and efficient use of the battery module.

There is provided an internal-combustion engine that allows plasma to be used safely, efficiently, and in a manner conducive to resource conservation. An internal-combustion engine having an intake valve for opening and closing a combustion chamber, the internal-combustion engine comprising a valve-driving mechanism for driving the intake valve; and a plasma-generating device positioned within a region containing gas used for combustion during a combustion stroke, the plasma-generating device being composed of an antenna and a microwave-generating device, wherein the plasma-generating device composed of the antenna and the microwave-generating device generates plasma at a timing intimately associated with a state of openness of the intake valve in response to the driving of the valve by the valve-driving mechanism.

An air powered vacuum apparatus for use in an air vacuum excavation system creates a fluid flow under vacuum and reduces the sound level of the exhausting air. The apparatus comprises an injector assembly and a container for collecting spoil, i.e., dirt, sand, gravel, etc. drawn in from the excavation site. The vacuum is produced by an injector and a supersonic nozzle assembly in fluid communication with the container. The injector has converging, straight and diverging sections, and the supersonic nozzle assembly extends into the converging section. The supersonic air ejected from the nozzle assembly mixes with the air drawn up from the container, and the air mixture travels through the diverging section and out of the injector assembly and creates a vacuum in the container.

The invention relates to the field of communication technology, and particularly relates to a WebSocket trans-domain communication method, a Web server and a Web communication system. A safe communication method based on the WebSocket common connection protocol is provided. In a cluster scenario, a centralized authentication method is applied, and a WebSocket data transmission channel can be safely and efficiently used to push data. The data is encrypted according to the needs, so that occupation of a central processing unit (CPU) is reduced.

A herbal injurious insect repellent liquid is prepared by the steps: fermenting brown sugar, garlic, artemisia vulgaris, wormwood, fig leaves, cinnamomum camphora leaves, leaves of pine and cypress and water; and filtering the mixture. The herbal injurious insect repellent liquid is simple in preparation process, can repel all injurious insects, is high in injurious insect repellent efficiency, is free of any components which are harmful to human body, and is safe and efficient to use. In a crop planting process, if the herbal injurious insect repellent liquid is used, toxic pesticide residues can be prevented from harming human body either in a process of spraying the herbal injurious insect repellent liquid or in a grain consuming process after the crops are harvested, so that the life safety of planting workers and the social public is facilitated, and the herbal injurious insect repellent liquid meets the demand of constructing green agriculture.

The invention relates to a drilling liner hanger and a string type well cementing system comprising the same, wherein the drilling liner hanger comprises a core tube having a pressure transfer hole and a pressure stabilizing hole, a pressure building mechanism and a setting mechanism arranged inside and outside the core tube, respectively, and a hydraulic mechanism. The hydraulic mechanism comprises a sliding sleeve component, and a setting chamber and a pressure stabilizing chamber that are formed between the core tube and a loop, wherein the pressure building mechanism is configured to allow a fluid in the core tube to pass through the pressure building mechanism during a non-pressure building time, so that the fluid can pass through the pressure transfer hole and the pressure stabilizing hole and enter the setting chamber and the pressure stabilizing chamber separately. The drilling liner hanger according to the invention can effectively prevent the hydraulic mechanism thereof to open and close in a quick lift-up and lowering and pump startup cycle process, so that the drilling liner hanger can be effectively prevented from being set in advance.

The invention relates to a double-plate type ball valve which comprises a valve body, a valve cover, a left spherical surface body, a right spherical surface body, a valve rod and a driving device, wherein the left spherical surface body and the right spherical surface body are respectively connected with a left extensible rod and a right extensible rod, inclined iron is installed at one end of the valve rod, the inclined iron is connected with the left extensible rod and the right extensible rod in a linkage mode, the inclined iron is used for driving the left spherical surface body and the right spherical surface body to move along the axis direction of a valve seat through the left extensible rod and the right extensible rod when the left spherical surface body and the right spherical surface body are at a closed position of a valve, the driving device is installed at the other end of the valve rod, a driving frame is arranged in a valve cavity, and is used for driving the left spherical surface body and the right spherical surface body to rotate to the position of opening or closing of the valve, the valve rod and the driving frame are in linkage connection in modes of free sliding matching along the axial direction and driving matching along the rotary direction, the valve rod is connected with an automatic revolving mechanism in the linkage mode, and the automatic revolving mechanism can achieve automatic revolve in the process that the driving device drives the valve rod to move along the axial direction. Opening and closing of the valve of the double-plate type ball valve can be achieved in the process that the driving device drives the valve rod to move along the axial direction, rotation and lifting of the valve rod can be achieved, and can drive the left spherical surface body and the right spherical surface body to stretch out and draw back so as to enable sealing surfaces to be separated from contact, and meanwhile the opening and closing of the valve also can be achieved through rotation. The double-plate type ball valve is simple in operation, convenient to operate, and reliable.

The invention discloses a big data deduction based electric energy metering device error detection method and system. The method includes the steps: acquiring multiple sets of electric energy data of each circuit, calculating bus electricity quantity non-balance ratio, building a mapping model of electric energy and bus electricity quantity non-balance ratio, calculating close degree of electric energy data and a virtual load model, selecting a plurality of sets of electric energy data according to the close degree to form a training sample set, taking the bus electricity quantity non-balance ratio as a teacher sample set to train the artificial neural network, and performing deduction and reconfiguration to obtain whole error. The system comprises an electric energy data acquisition unit, a bus electricity quantity non-balance ratio calculation unit, a virtual load model building unit, a close degree calculation unit, a sample set generation unit, an artificial neural network training unit and a whole error calculation unit. The method and system can monitor whole metering error of electric energy metering devices in real time at the same time, and has the advantages of avoidance of field test, simplicity in realization method, real-time performance and quickness in detection, high efficiency and safety.

The invention discloses an agent containing plant vinegar and used for relieving itching and reducing swelling, and a preparation method thereof, pertaining to the technical field of medicine and hygiene and characterized in that the agent of the invention contains 70 to 90 percent of the plant vinegar, 8 to 13 percent of emulsifier, 5 to 10 percent of abstergent and 0.05 to 0.7 percent of essence, wherein, the plant vinegar can be bamboo vinegar, wood vinegar and/or grass vinegar. The agent used for relieving itching and reducing swelling adopts the natural plant vinegar which has the functions of relieving itching, reducing swelling and desensitization as active ingredients, has the effects of cleaning skin, sterilizing, relieving itching, reducing swelling, desensitization, and killing lice and flea, etc., and has simple and convenient processing method and low production cost.

The present invention provides methods for prevention, prevention of progression, and treatment of osteoporosis and pre-osteoporotic conditions comprising direct administering to osteoporetic bone of a composition comprising amphiphilic peptides and peptide matrices thereof, useful in promoting biomineralization, local osteoporetic medications and inducing bone repair.

The invention relates to a powder grinding device which comprises a main body, an abrasive wheel assembly arranged in the main body, a rotary adjusting ring arranged on the abrasive wheel assembly and used for adjusting crudeness and fineness of powder ground by the abrasive wheel assembly, a power source arranged on the main body and used for promoting rotation of the rotary adjusting ring, and an angle controller arranged on the main body and used for controlling the rotation angle of the rotary adjusting ring. According to the powder grinding device, the crudeness and fineness of the ground powder are adjusted by the adoption of an electric control mode, so that the use of the powder grinding device is simple, and the level in people's heart is improved.