96results about How to "Safe and secure storage" patented technology

The invention discloses a method of removing arsenic from an acid arsenic-containing solution. The method comprises the following steps: the pH value of the acid arsenic-containing solution is adjusted to be 1.0-5.0, an iron-containing material and an oxidizing agent are added, the temperature of the solution is controlled at 25-90 degrees, after reaction, ferric arsenate sediment and arsenic-removed post liquid are obtained, and the removal of arsenic is realized. When copper contained in the acid arsenic-containing solution is greater than or equal to 0.2g/L, iron powder replacement copper removal treatment is required to be carried out first. The method has the advantages that the method is simple in process, low in cost and high in arsenic removal rate and obtained ferric arsenate sediment is stable; valuable metals can be recycled effectively; and the method has very high practicability and economic value.

The invention relates to a method for leaching solid arsenic out of arsenic sulfide slag through one step and enriching valuable metal. The arsenic sulfide slag serves as a raw material, iron-containing materials are added in the arsenic sulfide slag, and an acid water solution is inflated with air or oxygen for oxidizing leaching; in the leaching process, the temperature is controlled to range from 60 DEG C to 250 DEG C, and the pH value ranges from 0 to 5; the arsenic sulfide in the arsenic sulfide slag is leached out through one step and converted into solid arsenic mineral scorodite, and the valuable metal is enriched in a leaching agent. The method is simple in technology and low in cost. The toxicity of the obtained scorodite meets the regulation of GB5085.3-2007 (solid waste identification standard-leaching toxicity identification), safe and stable stockpiling can be achieved, and meanwhile the enriched valuable metal can be efficiently recycled through the later simple processing.

A device to provide storage of a firearm cartridge (26) within a firearm frame cavity (30) consisting of an insert body (10) shaped to fit within the frame cavity of the firearm while securely holding the firearm cartridge. The insert body contains a pair of rigid poles (12,14) attached to a pair of half disks (32,34) that secure the inserted cartridge by tensions created due to the rigidity of the poles when the inserted firearm cartridge forces the poles to their proximal positions. During insertion to the firearm frame cavity, the rigid stopper support (44) of the insert body is urged to its proximal position, but returns to its distal position when the stopper (18) engages the lanyard hole (48) of the frame cavity. Applying a downward force to the front bottom edge (24) of the insert body forces the rigid stopper support back to its proximal position and disengages the stopper from the lanyard hole facilitating removal of the insert body with the stored firearm cartridge still attached. Inspection hole (60) provides a visual check of the stored cartridge's presence while the insert body is within the firearm cavity (30).

The embodiment of the invention discloses a data storage method and device based on a block chain. The method comprises the following steps: receiving a data writing request, service data and first user information for identifying a first user from the first user; calculating the service data to generate a first characteristic value; based on the data type and/or data size of the service data, determining storage data and mode information associated with the service data, the storage data comprising the first characteristic value, and the mode information representing a generation mode of thestorage data; and storing the storage data, the mode information and the first user information in a blockchain account book in an associated manner based on the data writing request. Compared with the traditional data storage method, the technical scheme disclosed by the invention can ensure the safe and reliable storage of the data for electronic storage, and provides the validity verification of the data.

A low-cost removable drainage bag support structure that can be attached to any location on the patient's hospital garment or personal clothing, without any uncomfortable and cumbersome belts or other attachments that tie the drainage bag directly to the patient's body, and without use of any expensive and inefficient custom-made undergarments. An attachable, easily removable and disposable drainage bag support structure that can be easily and cost-effectively utilized with standard hospital garments, and at the same time safely and securely support drainage bags for the out-patients, allowing to place the drainage bag out-of-sight when in public and reducing interference with patient's mobility, whereby improving dignity and quality of life for the out-patients that must carry in public one or more drainage devices. A low-cost attachable support structure that allows quick and easy removal from the garment, easy disposal and also allows hospital staff to monitor and observe the content and condition of the drainage bag placed inside the support structure.

The invention discloses an aerosol detergent for throttle valves of automobile engines. The aerosol detergent comprises environmental-friendly solvent oil, petroleum ether solvent, ether solvent, detergent dispersant, surfactant, antiwear protective agent and liquefied petroleum gas, and particularly comprises, by mass, 30-65% of environmental-friendly solvent oil, 5-15% of ether solvent, 2-5% of detergent dispersant, 2-5% of surfactant, 3-8% of antiwear protective agent, 2-5% of rustproof protective agent and 15-30% of propellent. Compared with the prior art, the aerosol detergent for the throttle valves has the advantages of causing no corrosion to parts of electronic throttle valves, having effects of lubricating, rust preventing and abrasion preventing, being convenient to use and high in cleaning capacity, especially having rapid removal effect to stains on the throttle valves, such as oil sludge and carbon deposit, containing no water to avoid rusting the engines, and being stable in property, safe and reliable to store and use due to the fact that the aerosol detergent is made from environmental-friendly material.

A multi-pack assembly for containing and dispensing one or more new pen needles, and receiving and containing used pen needles after use, is provided, wherein a plurality of both new and used pen needles can be contained in a series of storage vessels, each secured to an adjacent storage vessel thereby forming an easily managed multi-pack assembly shape, and providing caps for each individual pen needle storage vessel to provide a sterility barrier and which can be opened independently of one another, and which can be closed in the same manner after use to prevent unwanted interaction with the used pen needles contained therein.

A winding apparatus (winder) that is used to quickly and conveniently wind cargo straps into individual coils for storage from conventional strap winches is disclosed. The winder has a two piece design, which includes a “jawbone” shaped cantilever and a removable crank. The “jawbone” configuration of the cantilever is created by its toothed tapered sides at its front and the pair of spaced parallel ears at its rear. The removable crank can be fitted to the cantilever in a winding position inserted between the two ears or in a storage position secured within the front section of the cantilever. The cantilever is mounted to the strap winch in a plurality of positions to ensure that the rear of the cantilever extends beyond the edge of the trailer bed providing easy access to the crank in its winding position. One end of a cargo strap is secured to the crank, which is fitted to the cantilever and the crank is manually turned to wind the cargo straps into a coil.

A case that securely holds a handheld device and allows for charging the device while it is held in the case. The case includes a two-fold panel that folds on itself to form a cavity for receiving the handheld device. A device bracket for holding the handheld device is attached to a strap that is movably affixed to the inside of the case and holds the handheld device without covering the display and keypad areas. The portions of the case that cover the front and back surfaces of the handheld device fold back, away from the device bracket, thereby freeing up the end of the handheld device with the charging connector so that it may be inserted into a charging station.

The invention belongs to the field of material science and technology and specifically relates to a method for preparing a light rare earth hydride by a high-temperature direct method. The method comprises the following main implementation steps: placing light rare earth with purity being greater than 99% and particle size being 2-15mm into a quartz glass test tube under the inert gas protection, removing air in a boiler room by the use of inert gas, closing an air evaporation valve, rapidly heating the boiler room at the heating rate of 2-20 DEG C/min until heating to 300-1000 DEG C, controlling inflow of hydrogen to 200-10,000 ml/min, and keeping the temperature and continuously reacting until a hydrogen pressure gauge and pressure in a heating reaction furnace are completely balanced, so as to obtain the required light rare earth hydride and corresponding light rare earth hydride powder. Purity of the light rare earth hydride prepared by the above method is 97-99.99%, and conversion rate of the light rare earth hydride powder is 97-99.99%. Thus, the hydride preparation purity problem in an industrial preparation technology is solved. The method is safe, reliable and is pollution-free, and is of great significance for industrialized and large-scale production of the light rare earth hydride.

The invention relates to a method for realizing a sharable content object reference model (SCORM) standard courseware supporting technology. The method comprises the following steps of: 1, uploading and resolving an SCORM courseware, and storing the resolved information into a database; 2, establishing a communication link between the SCORM courseware and a learning management system (LMS); 3, initializing the interaction between the LMS and the SCORM courseware by the LMS, judging whether the SCORM courseware is accessed for the first time, if the SCORM courseware is accessed for the first time, setting an initial value and storing, and otherwise, reading the last-time access record of the SCORM courseware from the database through the LMS; 4, tracking and recording external information for accessing the SCORM courseware by the LMS; 5, storing the recorded data to the database by the LMS; and 6, terminating the communication between the LMS and the SCORM courseware. The method has the advantages that: the information of the SCORM courseware can be resolved quickly and completely, well communication with the courseware can be realized, no pressure is brought to a server, the online playing of the SCORM standard courseware can be truly realized, and under the condition of meeting the SCORM international standard, the online learning is supported.

The invention discloses a block-chain-based injection molding product production information management method and device, a server and an injection molding machine, relates to the technical field ofblock chains, and is used for solving the problem of data leakage or loss caused by the server being damaged when the injection molding machine molding parameters are stored by the server in a unifiedmode. The method comprises: obtaining production information of a target product, and encrypting the production information by using a preset encryption key to generate encrypted data, further writing the encrypted data into the block chain, as can be seen from the above, the production information is encrypted, and stored in the block chain, the properties of incapability of information tampering and extremely high stability and reliability peculiar to a block chain technology are fully utilized, thus the encrypted production information is stored in the block chain, stable and safe storagecan be guaranteed, the problem of information loss or leakage caused by server damage after all the production information is stored in the server in the prior art is avoided, and the information security is improved.

The invention provides a spare pressure type heptafluoropropane fire extinguishing system. The spare pressure type heptafluoropropane fire extinguishing system comprises a power gas cylinder set, a driving gas cylinder set, a heptafluoropropane storage cylinder, a fire extinguishing agent container valve, a pressure reducing device, a power gas container valve, a driving gas container valve, a first starter, a second starter and an electromagnetic starter. When a fire breaks out, the electromagnetic starter and the gas driving cylinder set act, released gas enters the first starter and the third starter respectively, the power gas container valve and a selection valve are opened, and gas released from the power gas cylinder set constantly enters the heptafluoropropane storage cylinder after being subjected to pressure reduction by virtue of the pressure reducing device and delayed; and when pressure of a fire extinguishing agent in the heptafluoropropane storage cylinder reaches a certain pressure, the fire extinguishing agent enters the second starter by virtue of a connecting pipe, the second starter acts to open the fire extinguishing agent container valve, and the fire extinguishing agent in the heptafluoropropane storage cylinder extinguishes a fire in a specified protection zone by virtue of a pipe network. By applying the spare pressure type heptafluoropropane fire extinguishing system provided by the invention, safety of the fire extinguishing system can be guaranteed, and constant pressure stable output of heptafluoropropane also can be guaranteed.

The invention discloses storage control method, system and device of a vertical lifting container. The method comprises the following steps of determining the weight of a first target cargo and the height of the first target cargo; determining multiple storage spaces capable of storing the first target cargo in the vertical lifting container according to the height of the first target cargo; determining a candidate storage space in the multiple storage spaces according to the weight of the first target cargo, wherein after the first target cargo is stored into the candidate storage space, thetotal weight difference between cargoes on the left side and the right side in the vertical lifting container is within the preset weight range; and storing the first target cargo into the candidate storage space. Through the storage control method, system and device of the vertical lifting container provided by the invention, the problem of gravity center instability caused during the cargo storage process of the vertical lifting container in the correlation technique is solved.

The invention discloses a 2,4-D dimethylamine salt soluble granule which comprises the following components in percentage by weight: 10-98 percent of 2,4-D dimethylamine, 0.1-15 percent of an adhesive, 0.1-5 percent of a synergist and the balance being filler. A preparation method for the 2,4-D dimethylamine salt soluble granule comprises the following steps of mixing 10-98 percent of the 2,4-D dimethylamine, 0.1-15 percent of the adhesive, 0.1-5 percent of the synergist and the residual filler for granulation, and drying granulated granules. The preparation method is reliable; the obtained 2,4-D dimethylamine salt soluble granule is high in particle strength and high in dissolve dispersion performance; compared with a 2,4-D dimethylamine salt water agent, the 2,4-D dimethylamine salt soluble granule has the advantages of convenience in use and transportation and safety and stability in storage.

The invention discloses a tower-type parking garage with an automatic charging function. The tower-type parking garage comprises a fixed support and a lifting carrying device. Multiple layers of garage positions are arranged on the fixed support. The lifting carrying device comprises a mounting support. The tower-type parking garage further comprises a positioning device. The positioning device comprises a vehicle carrying plate positioning device body and a garage position limiting device body. Due to the fact that the positioning device is provided with a positioning block with a bending corner, a positioning wheel can be also clamped in the bending corner of the positioning block if having a certain deviation, and the bending corner further takes the correction effect and can adjust the positioning wheel to the middle of the bending angle, so that vehicle carrying plates are corrected to the horizontal position. The positioning device is further provided with a bent limiting block, and in the same way, a limiting pushing wheel can also squeeze the limiting block to rotate to avoid entering of vehicles into garages if having a certain deviation, so that the positioning device is high in error-tolerant rate and further has a correction function, and it is guaranteed that the vehicles enter the garages stably and safely.

The invention discloses a acetamiprid insecticidal water emulsion, of which the components comprises acetamiprid base drug 0.2-50%, water 20-95%, and surfactant 2-50%. It adopts the water as solvent and has advantages of largely saving resource, largely reducing environmental pollution, safety production and storage, convenient use, etc.

The invention discloses a lifting carrying device for a tower type garage. The lifting carrying device comprises a lifting driving device, a synchronous lifting device, mounting supporting frames and fixed frames, the lifting driving device comprises a lifting motor, a jacking main shaft, chain wheels and chains; and the synchronizing lifting device comprises synchronizing shafts, synchronizing gears and synchronizing racks. The jacking main shaft drives the chain wheels and the chains at two ends simultaneously so that the chain wheels and the chains at the two ends can drive lifting synchronously, moreover the synchronizing shafts are arranged at the two sides of each mounting supporting frame, the two ends of each synchronizing shaft are provided with symmetrical synchronizing gears, and four synchronizing gears form a simultaneous moving plane. Even if cars on a car carrying board have different sizes or different parking positions, stable lifting of the whole lifting carrying device and no incline can be ensured, and the lifting carrying device is beneficial to safe and stable garage-entering of the cars.

The invention provides a system and method for intelligent construction of an underground pipeline and comprehensive management of an underground pipeline network based on big data and artificial intelligence. The system includes an underground pipeline intelligent construction mobile terminal composed of a high-precision detection system, a local database, a big data artificial intelligence decision-making system, an underground pipeline intelligent construction system and an underground pipeline network information management system composed of an underground pipeline network management platform and a central database. The system has high precision, high intelligence and integration, which can realize the detection of the existing pipelines in the construction area in the pipeline construction process. A construction instruction is determined according to the real-time data, strong safety guarantee is provided for pipeline construction, the construction accident rate is reduced, theunderground pipeline information can be updated in real time, and the underground pipeline network management platform can monitor the construction progress in real time, thereby effectively solving the shortcomings of the traditional pipeline census, such as poor timeliness, long management data update cycle, lack of supervision on the construction situation. The system is fast in information update, high in reliability of information, and low in cost of information update.

A multi-compartment container for the secure storage of therapeutic agents comprises at least a base portion having at least two cavities, said at least two cavities serving as the location where said therapeutic agents are stored, and a child resistant device. Said child resistant device allows for the secure storage of said therapeutic agents. Said child resistant device may be in the form of a typical prescription pill container cap or may be more complex, such as a combination lock. Other features may include covers to keep said therapeutic agents in place, hinges to open said multi-compartment container, and labels corresponding to related cycles for said therapeutic agents.

The invention provides a method for manufacturing a soft algae specimen. The method comprises the following steps: step one, transferring algae of a specimen to be prepared to an expansion plate in water to enable the algae to be expanded on the expansion plate; step two, putting the expansion plate into a container, flatly laying a dried material/powder on the algae, and then carrying out dryingtreatment; step three, uniformly mixing a mixed glue solution prepared from epoxy resin and polyether amine D-230, performing defoaming at a temperature of not more than 40 DEG C, pouring the defoamedmixed glue solution into a mold, carrying out standing for 7-12 hours, taking down the algae dried in the step two from the expansion plate, adhering the algae onto the glue, covering the algae withthe defoamed mixed glue, and carrying out standing for 24-48 hours until the specimen is solidified; and step four, polishing the solidified algae specimen, coating UV glue, and carrying out UV lamp irradiation curing to complete the preparation. The specimen obtained by the method provided by the invention can better preserve the original form of algae.

The invention discloses a sampling device for quarantine of imported and exported animals, and belongs to the technical field of quarantine sampling devices. The sampling device for quarantine of imported and exported animals comprises a mounting box body and antiskid supporting legs, wherein a storage mechanism is mounted at the lower end of the mounting box body, the antiskid supporting legs are fixedly connected to the four corners of the bottom face of the mounting box body, a connecting hinge is fixedly mounted on the horizontal edges of the top end of the back face of the mounting box body, a box cover is fixedly connected to the connecting hinge, the box cover is movably connected with the mounting box body through the connecting hinge, locking devices are fixedly mounted on the horizontal edges of the front surfaces of the mounting box body and the box cover, a connecting block is rotationally connected to the side wall of the mounting box body, and a strap is fixedly connected to the connecting block. In the prior art, the existing design structure is simple, shaking and collision may occur during storage, and in severe cases, the test tube may even be broken and the sample may be easily contaminated during storage and transfer to the preservation mechanism, which affects the accuracy of sample detection. According to the invention, the problems in the prior art are effectively solved.

The invention relates to a logistics tray applied to fragile product transportation, and belongs to the field of logistics transportation equipment. The logistics tray applied to fragile product transportation comprises a fixed bottom plate, wherein a protective clamping assembly is mounted on the fixed bottom plate; a regulating blocking assembly is mounted on the fixed bottom plate and the protective clamping assembly; an adsorption limiting assembly is mounted in the protective clamping assembly; air inside an elastic telescopic hose can be extruded and conveyed into a rubber air bag through the elastic telescopic hose; and at the moment, clamping plates at the two sides can perform convenient and stable extrusion protection and damping protection work on a fragile product through corresponding inflated rubber air bags, so that stability and safety of a placing state of the fragile product can be guaranteed, stability and safety of placing and transferring transportation work of the fragile product are realized, and the problem that a transportation tray in the prior art cannot stably protect the fragile product in a placing and transferring transportation process is solved.

The invention relates to a thermal expansion stone cracking agent, and belongs to the material science and new energy crossing field. The granular thermal expansion stone cracking agent is obtained through the following steps: weighing solid powders with the particle size of 1-100[mu]m according to a formula, uniformly mixing to obtain a powder mixture, adding starch gum into the powder mixture, uniformly stirring, kneading until dough with moderate hardness is obtained, and granulating. The prepared stone cracking agent is granular in shape, is convenient for filling in boring, can meet filing density requirements of cracked stones without tamping by using pneumatic picks, impact drills or special tools, and has the advantages of small stone cracking sound, fast speed, high efficiency, avoiding of water resource wastes and land surface pollution due to no use of water as a reaction raw material, clean use process, and simple, safe and convenient use operation; obtained products have good quality, and are safe and stable to store; the production process of the stone cracking agent has no emission of three wastes, is harmless to human body and environment, and is clean and environmentally-friendly; and the use process of the stone cracking agent is free from water, and is environmentally-friendly, and required raw materials have wide sources, so the economic cost is low.