11 results about "Consumer safety" patented technology

A method for rapid detection of microorganisms in beverages, includes placing the beverage sample under constant temperature conditions of 30-35° C. for 48 hours, and then adding it to a culture bottle with a sensing hydrogel and culturing it for 2 days for colorimetric detection; the sensing hydrogel is composed of Schiff base Composed of ZIF-90, neutral red, sodium alginate, and calcium chloride, it can absorb the carbon dioxide produced by microorganisms and respire, thereby causing a significant color change, from yellow to red. The advantage of the invention is that it significantly shortens the detection time, and achieves more economical and efficient detection by simplifying the operating process and reducing equipment requirements. It is especially suitable for microbial safety monitoring in the food and beverage industry to ensure product quality and consumer safety.

A computer-implemented method for assessing event stream integrity is disclosed. The method comprises assuming, by a first utility program, an event producer role to access temporary producer security credentials, assuming, by a second utility program, an event consumer role to access temporary consumer security credentials, generating, by the first utility program, a dummy event comprising a dummy event payload, posting, by the first utility program, the dummy event to the event stream, retrieving, by the second utility program, the dummy event from the event stream based on the dummy event payload, determining, by the second utility program, event stream integrity based on the dummy event payload, and outputting, by the second utility program, a notification based on the determined event stream integrity.

The utility model relates to the technical field of cargo binding, in particular to a safe binding device with a protection function, which comprises a left plate and a right plate, a bolt and a loosening nut are arranged at the rear end of the left plate and the rear end of the right plate, and the bolt penetrates through the left plate, the right plate and the loosening nut to fix the left plate and the right plate. A left pad and a right pad are arranged between the left plate and the right plate respectively, clamping grooves are formed in the left pad and the right pad, gears for retracting a woven tape are designed to the two ends of the outer portion of the product, assembly is fast, and the woven tape retracts smoothly; the spring outer layer protecting cover presses the protecting cover through a right plate stamping protruding end opening, so that the protecting cover is safely fixed to a product, and it is guaranteed that a woven belt retracts stably. The left plate and the right plate are independent separated parts, hole sites on the left plate and the right plate are easy to align for assembly, the assembly is fast, and the assembly qualification rate is high; the purpose of constant-speed retraction is achieved through the external rotating piece; the tail end of the handle spring is of a hidden structure, so that consumers can use the handle safely.

The invention relates to a method, a device, equipment and a medium for a zero-contact operation management platform of an AI intelligent adult shared cabinet. The method comprises the steps of obtaining a commodity reservation purchase request of a consumer terminal, analyzing a target intelligent cabinet and a target commodity, querying real-time states of the target intelligent cabinet and the target commodity through a digital twinborn model, generating a one-time dynamic token, performing homomorphic encryption binding on the one-time dynamic token and a grid physical coordinate to generate an authorization voucher, and sending the authorization voucher to the consumer terminal, and when the consumer terminal meets the near-field condition, analyzing the voucher to obtain a grid opening instruction, checking related data to obtain commodity popularity data, and inputting the commodity popularity data into a pre-trained space-time diagram neural network prediction model to obtain an intelligent operation and maintenance decision suggestion. By adopting the method, the commodity state can be sensed in real time, accurate operation and maintenance are driven by data, zero contact in the whole process is realized, and consumption safety and operation efficiency are guaranteed.

A method for offloading verification of consumer NF security certificates includes receiving, by an SCP, an SBI request message including a consumer NF security token signed by a consumer NF for authenticating the consumer NF to a producer NF. The method further includes obtaining, by the SCP and from the consumer NF security token, an identifier for a consumer NF security certificate or a copy of the consumer NF security certificate. The method further includes verifying, by the SCP and on behalf of the producer NF, the consumer NF security certificate. The method further includes performing, by the SCP and based on a verification result of the consumer NF security certificate, a network security action.

The invention discloses a halogen-free flame-retardant low-temperature spandex fiber and a preparation method thereof, and belongs to the technical field of textile fibers. The phosphorus-containing polyol, the conventional polyol and the isocyanate are used for synthesizing the phosphorus-containing cross-linking agent, the phosphorus-containing cross-linking agent and the low-temperature spandex slices are used for preparing the halogen-free flame-retardant low-temperature spandex fiber, and the preparation method of the halogen-free flame-retardant low-temperature spandex fiber has the advantages that the process is simple, the process is easy to control, the production efficiency is high, the cost is low and the like. The flame-retardant grade of the halogen-free flame-retardant low-temperature spandex fiber prepared by the preparation method disclosed by the invention reaches V0, the limit oxygen index reaches more than 30%, and through stable chemical bonding, an anti-migration lasting flame-retardant effect is realized, and a woven flame-retardant fabric meets the standard requirement of the American consumer safety committee (CPSC) on the flammability of children pajamas.

The utility model discloses a metal detection machine for jasmine tea production, which comprises a base, a rack is fixedly mounted on the top wall of the base, a first conveyor is mounted on the rack, a second conveyor is mounted on the rack, a detection machine body is fixedly mounted on the rack, and the detection machine body is fixedly mounted on the rack. The detection machine body is arranged above one end of the first conveyor, a conveying frame is arranged at the position, between the first conveyor and the second conveyor, of the rack, a conveying belt is installed on the conveying frame, and a driving motor is installed on the conveying frame. Through cooperation of the conveying frame, the conveying belt, the driving motor, the mounting frame, the electromagnet and other parts, when jasmine tea is conveyed on the conveying belt, iron screen wires in the jasmine tea can be magnetically adsorbed through the electromagnet, automatic picking is achieved, and the problems that manual picking is prone to fatigue, operation errors are caused, and the production efficiency is high are solved. And unqualified products may flow out, so that the product quality and the safety of consumers are influenced.

The invention discloses an improved core-board formaldehyde emission testing method based on edge sealing control and uncertainty evaluation, and belongs to the technical field of artificial board detection. Aiming at the problem that the edge sealing rule of the national standard GB / T 17657-2022 is not clear enough, the invention provides a zero end face edge sealing mode capable of stably reflecting the formaldehyde emission of the core-board, the edge sealing mode during sample detection is specified in detail, the edge sealing operation randomness is eliminated, and the reliability and comparability of a detection result are improved. On the basis, the invention develops a formaldehyde emission uncertainty evaluation method, the risk of a critical sample can be accurately prevented and controlled by introducing a parameter alpha and proposing the uncertainty of edge sealing influence contribution, and a'conditional qualification 'warning label is innovatively proposing, so that a consumer can be directly guided to safely select a product meeting the environmental protection requirement; and the indoor pollution risk is reduced from the source.

A method for offloading verification of consumer NF security certificates includes receiving, by an SCP, an SBI request message including a consumer NF security token signed by a consumer NF for authenticating the consumer NF to a producer NF. The method further includes obtaining, by the SCP and from the consumer NF security token, an identifier for a consumer NF security certificate or a copy of the consumer NF security certificate. The method further includes verifying, by the SCP and on behalf of the producer NF, the consumer NF security certificate. The method further includes performing, by the SCP and based on a verification result of the consumer NF security certificate, a network security action.

The utility model provides a kind of paper cup with buckle type high-stacking beverage pulp cup cover, including paper cup and pulp cup cover, three protrusions with buckle are evenly arranged on the top outer edge of pulp cup cover, bottom is equipped with the base of three protrusions with buckle fastening connection in paper cup, so that the bottom of paper cup is fastened and connected into an organic whole with pulp cup cover;Drinking opening is equipped with on the top outer edge of the opposite side of one of protrusions, drinking opening plug is equipped with on the opposite side of drinking opening, drinking opening plug is connected on the bottom outer edge of pulp cup cover by tearable line;The buckle outer side surface of three protrusions is on the same circle with drinking opening.The pulp cup cover of the utility model can be fastened and connected into an organic whole with the bottom of paper cup matched therewith, form a series of multiple paper cup stacking not to fall, facilitate consumer safe use;Meanwhile, ensure that paper cup bottom is pressed on drinking opening plug inserted to drinking opening, avoid leakage caused by drinking opening plug automatic opening.

The invention discloses a method for detecting degraded impurities in Iguratimod tablets, and belongs to the technical field of preparation quality inspection, and the method comprises the following steps: S1, preparing a reference substance mixed standard solution; s2, accurately weighing Iguratimod to obtain a reference substance mixed standard solution; s3, preparing a test solution; s4, respectively and accurately sucking the reference substance mixed standard solution in the step S1 and the test solution in the step S2, injecting the reference substance mixed standard solution and the test solution into a high performance liquid chromatograph, and carrying out analysis and detection; the method shows excellent degree of separation, high sensitivity response, good repeatability and durability, ensures stability and accuracy of data results, has a wide application range, provides an efficient and reliable method for quality control of Iguratimod tablet products, and has good application prospects. The method is of great significance in improving the product quality and ensuring the safety of consumers.