107results about How to "Reduce the chance of loss" patented technology

The invention relates to the technical field of agricultural fertilizer, particularly to a multifunctional synergist of a compound fertilizer suitable for calcareous soil of dry land, and application of the multifunctional synergist. The synergist is composed of, in percentage by mass, 40-70% of super-absorbent resin, 15-25% of citric acid and the salts thereof, 10-20% of a nitrification inhibitor, 4-10% of polyborate and 1-5% of EDDHA (ethylenediamine di-o-phenyl acetate)-microelement chelate. The synergist prepared according to the invention can be used as an additive of a compound fertilizer or applied together with various common compound fertilizers or formula fertilizers to exert the function of preventing and controlling the loss ways of nitrogen, phosphorus and potassium simultaneously, and can realize one-time total-nutrient fertilizer application; and the synergist has multiple functions of stabilizing fertilizer by slow release, holding water and resisting drought, improving soil with nutrients, saving labour, increasing production, etc.

The invention belongs to the technical field of file synchronization, and specifically relates to a remote resource synchronization method and system for three-layer architecture. The remote resource synchronization method for the three-layer architecture comprises the steps that a cloud server traverses local directories and generates a list file containing all file synchronization information; an offline server obtains a newest list file from the cloud server, compares the newest list file with the local list file and generates a deletion list and a downloading list; the offline server deletes local files according to the deletion list; the offline server downloads corresponding files from the cloud server according to the downloading list; and a playing terminal obtains playing resource file directories in the list file updated by the offline server through a local area network and obtains playing resources according to the downloading addresses of the playing resource file directories. Through adoption of the technical scheme of the method and the system, the updated files can be conveniently and effectively synchronized to the playing terminal.

The invention provides a big data analysis-based intelligent community management system and a big data analysis-based intelligent community management method, and relates to the field of smart city application. The system comprises a background management center, a mobile phone terminal and a plurality of two-dimensional codes. The method comprises the steps of S1, using the mobile phone terminal to scan the two-dimensional code of an entrance of a community so as to enable a mobile phone number to be transmitted into the background management center; S2, determining that the mobile phone number belongs to an owner or a visitor by using the background management center; if the mobile phone number belongs to the owner, entering S3; if the mobile phone number belongs to the visitor, entering S4; S3, enabling the owner to scan the two-dimensional code on a gate of a building, making the background management center to judge whether information obtained by scanning is the same as that, stored in advance, of the owner or not; if so, opening an access control system; enabling the owner to scan the two-dimensional code of the floor where the owner lives, and automatically cutting off the connection if verification is successful; S4, enabling the visitor to input the building and floor which are to be visited, enabling the visitor to scan the two-dimensional code on a gate of the building to be visited, after the verification of the background management center is finished, and then open the access control system, enabling the visitor to scan the two-dimensional code of the floor to be visited, and automatically cutting off the connection. The system and the method avoid the trouble caused by too many cards; the access control system is arranged, so that the effective management mechanism for foreign visitors can be realized.

The invention relates to an agricultural monitoring system, in particular to a precision agriculture self-adaption monitoring system and a method based on agricultural Internet of things. The invention resolves the problems that an existing agricultural monitoring system is large in a rate of data loss, poor in network robustness, low in control efficiency and high in control cost. The precision agriculture self-adaption monitoring system based on the agricultural Internet of the things comprises a soil moisture content sensor network, a self-adaption environment control module, a central management platform, a weather information collecting module, an individual area information collecting module and an automatic irrigation system, wherein the soil moisture content sensor network comprises n soil moisture content data collecting modules, n power supply modules and n+1 wireless communication modules, power supply output ends of the n soil moisture content data collecting modules are connected with power supply output ends of the n power supply modules in a one-to-one corresponding mode. The precision agriculture self-adaption monitoring system and the method based on the agricultural Internet of the things are suitable for monitoring of greenhouses.

The invention relates to an alarm method for preventing an intelligent electronic device from being lost using a somatic sense control device. The method includes the following steps: the somatic sense control device and the intelligent electronic device are paired based on wireless connection, wherein the pairing based on wireless connection has a preset connection distance Lth, and when the distance between the somatic sense control device and the intelligent electronic device exceeds the preset connection distance Lth, the wireless connection between the somatic sense control device and the intelligent electronic device is disconnected; a first preset distance L1 is set, wherein the first preset distance L1 is smaller than the preset connection distance Lth; the orientation for sensing the intelligent electronic device is used as a first orientation, and the real-time distance L between the intelligent electronic device and the somatic sense control device is measured through an electromagnetic distance measurement method; when L1 is smaller than or equal to L and L is smaller than Lth, a first alarm is given out; when the pairing based on wireless connection is disconnected, the orientation used by the somatic sense control device to sense self is used as a second orientation, and the real-time distance L is calculated according to the first orientation and the second orientation; when L is greater than or equal to Lth, a second alarm is given out.

An optimized karyote in-vitro separation kit comprises two reagents. The reagent 1 is composed of erythrocyte precipitant, sodium chloride or potassium chloride. The reagent 2 is composed of natrii diatrizoas and polysucrose No.400, natrii diatrizoas and polysucrose dextranum, or percoll, and has density of 1.076-1.090. An application method of the optimized karyote in-vitro separation kit includes directly adding 100ml of human marrow blood, umbilical cord blood or peripheral blood into 200ml of solution of the reagent 1, allowing for standing for 10-30 minutes, collecting supernate, centrifuging at 2000rpm (1100xg) for 5 minutes, discarding the supernate, adding remnant a centrifugal tube containing solution of the reagent 2, performing density gradient centrifugation for 30 minutes, controlling the rotation speed at 1500rpm, absorbing a karyote layer, performing centrifugal cleaning for once to three times, using 50ml of cell preservative solution for diluting, and taking 100 microliters for testing or self-testing.

The disclosed data backup method comprises: A. entering system through network; B. backuping data from target computer into the server. And the data recovery method comprises: A. guiding target into system by network; B. recovering data from server into the target computer. This invention can improve data reliability.

The invention discloses a three-core optical fiber composite submarine cable, which includes cable cores and at least one optical fiber unit, wherein the cable cores and the optical fiber unit are wrapped by an adhesive cloth layer; fillers are arranged between the cable cores and between the cable cores and the optical fiber unit; a lining layer, a steel wire armoured layer and an outer covering layer are sequentially arranged on the adhesive layer; the three parallel cable cores form a circuit; and each cable core includes a water resistant conductor and an insulation layer, a shielding layer, a water resistant layer, a lead layer and a shield sleeve layer that are sequentially arranged on the water resistant conductor. The three-core optical fiber composite submarine cable facilitates avoiding severe heating at the landing end and the pole climbing part of the submarine cable after landing, reducing route occupation, enhancing shielding effect and avoiding vortex in the armoured layer.

This invention discloses a method, a device and a system for transmitting control information, comprising enhanced resource element group number in determination resource block, a determination enhanced control channel unit, and a determination enhanced control channel unit. The enhanced resource element group number determine the psotion of the resource unit corresponiding to the enhanced resource element group. The enhanced control channel unit position corresponding to the resource unit is determined according to the positions of the resource enhanced control channel unit and the enhanced recource element group which are corresponding to the resource unit. This invention relives a problem that the diversity is not good, and reduces the lost ratio of terminal equipment.

The invention discloses a mobile phone earphone with an antitheft function. The mobile phone earphone comprises an earphone line (2), earphone bodies (3), a fixing clamp (4) and an earphone plug (5). The two ends of the earphone line (2) are connected with the earphone bodies (3) and the earphone plug (5) respectively. The fixing clamp (4) is located on the earphone line (2). The mobile phone earphone with the antitheft function further comprises a mobile phone placing bag (1). The front end of the mobile phone placing bag (1) and the earphone line (2) are integrally formed. The earphone plug (5) is placed inside a cavity of the mobile phone placing bag (1). The rear end of the mobile phone placing bag (1) is designed to be capable of being opened and closed. According to the mobile phone earphone with the antitheft function, due to the fact that the connection between the earphone and the mobile phone is strengthened, the mobile phone and the earphone can not be easily separated, and the probability that the mobile phone is lost under the alert-free condition is reduced.

The embodiment of the invention provides a watchdog and an implementing method thereof. The watchdog comprises a hardware watchdog and a cascade software watchdog, wherein the cascade software watchdog at least comprises a first-stage software watchdog and a second-stage software watchdog. The input end of the hardware watchdog is in communication connection with the output end of the first-stagesoftware watchdog. The hardware watchdog is used for conducting zero clearing operation according to received zero clearing signals sent by the first-stage software watchdog within a preset time internal and monitoring the first-stage software watchdog. The input end of the first-stage software watchdog is in communication connection with the output end of the second-stage software watchdog. The first-stage software watchdog is used for conducting zero clearing operation according to received zero clearing signals sent by the second-stage software watchdog within a preset time interval and monitoring the second-stage software watchdog. When failures of an application stage are determined, there is no need to reboot a whole system, it is avoided that the work of other parts in the system ishindered and the system is forced to be stopped, and the stability of the whole system is ensured.

The invention provides a manhole cover for drainage, which includes a manhole cover body, and a drain hole is opened on the manhole cover body, and the feature is that the drain hole has two upper and lower hole sections with different apertures. The aperture of the upper hole section is larger than the aperture of the lower hole section so that the well cover body is formed with an annular boss in the drain hole, and the well cover body is provided with a filter screen at the mouth of the upper hole section of the drain hole, and the well cover body is formed on the annular boss. There is a movable plate supported by a plurality of elastic elements on the table, and the middle part of the movable plate is provided with a water hole with a diameter larger than that of the lower hole section, and the movable plate can be tightly connected to the lower side of the filter when the elastic element is in the original length state. Paste, the mesh size of the filter screen in the area corresponding to the water hole is 1/3 of the mesh size of the area covered by the movable plate, and the hole diameter of the upper hole section of the drainage hole is 8-15cm. The inspection well cover for drainage provided by the invention can not only increase the drainage volume, but also reduce the probability of pedestrians and objects falling into the well, so it has good popularization value.

The invention discloses an intelligent door lock based on the internet of things, and belongs to the technical field of intelligent door locks. The intelligent door lock based on the internet of things comprises a door lock main body and a remote control module, an IC card recognition module is arranged at the top end of the inner part of the door lock main body, a central processing unit and a control module are arranged on the bottom of the IC card recognition module, the central processing unit is arranged on the left side of the control module, an internet of things protection unit is arranged on the bottom of the central processing unit, the internet of things protection unit comprises an alarming module, a one-key lock module, an independent power supply and a communication module, and the independent power supply is arranged at the bottom of the inner part of the internet of things protection unit. The internet of things protection unit and a multifunctional unlocking mode are adopted, thus property security of users is greatly guaranteed, safety protection is good, fastness, convenience and the high efficiency are achieved, automation degree is high, and safety, flexibilityand intellectuality of the door lock are improved.

The invention belongs to the technical field of unmanned aerial vehicle control, and particularly relates to a GPS unmanned aerial vehicle control method. The method comprises the following steps that(1) a control system receives identification information of each software receiver, and receives time when each software receiver sends a control signal to an unmanned aerial vehicle controller; and(2) clock estimation values of the control signals received by any two software receivers is calculated, and the distance difference between the unmanned aerial vehicle controller and the two corresponding software receivers is determined according to the clock estimation values of the ultra-bandwidth nonlinearity and the electromagnetic wave propagation speed. According to the technical scheme ofthe invention, the identification information of each software receiver is received, the time when each software receiver sends the control signal to the unmanned aerial vehicle controller is received, and the distance difference between the unmanned aerial vehicle controller and the software receivers is determined according to the time difference and the electromagnetic wave propagation speed,thereby finally determining the position information of the unmanned aerial vehicle controller, and achieving the positioning of the unmanned aerial vehicle controller.

The invention provides a renting and returning system and method for a shared handheld ultrasonic diagnostic apparatus. The method comprises the steps of outputting an identification code according to rental information sent by a user, and scanning the identification code through a mobile terminal; judging whether the shared equipment cabinet is idle or not through a server, and if so, entering an operation interface; carrying out user identity authentication through the server, and selecting an equipment type after the identity authentication is successful; detecting whether a selected equipment type with the electric quantity greater than 80% exists or not through the server, and if so, entering a rental duration selection page; judging whether the user pays successfully or not through the server, and if so, loosening the borrowed equipment; and detecting whether the equipment is taken out or not through the server, and if so, being successfully in renting operation. According to the renting and returning system and method for the shared handheld ultrasonic diagnostic apparatus, the problems that hospital ultrasonic diagnostic equipment resources are unbalanced, and an existing shared ultrasonic diagnostic apparatus is low in sharing efficiency and poor in user experience in the prior art are solved.

The invention discloses a data processing method and its processing device and data processing system, wherein the method comprise the following steps of: when it is detected that the communication channel between the programmable processor and the upper computer is abnormal, reading the information to be sent and repeatedly sending to the upper computer; receiving a first back state variable sentby the upper computer; and judging whether the upper computer successfully receives the information to be transmitted according to the first back state variable. The method can improve the reliability and the stability of data transmission between the upper computer and the PLC.

The invention relates to the technical field of ocean observation high-end equipment, in particular to a remotely-arranged intelligent seabed base dragged by an unmanned ship, which comprises a seabed base box body, an instrument carried by the seabed base box body, an acoustic releaser, a connecting cable and a counter weight, and the acoustic releaser arranged in the seabed base box body is connected with a connecting ring arranged in the middle of the bottom of the counter weight through the connecting cable. The counter weight is a flat-bottom hull made of reinforced concrete; a water inlet device is arranged at the bottom of the counterweight; a release device, a traction rod and a traction ring are used between the counter weight and the unmanned ship and are connected in a releasable mode; the controller is connected with a satellite communication device, the release device and a water inlet device through electric signals of signal cables, and a remote laying person remotely controls the releasing device and the water inlet device complete laying. In the transportation process, the ship-shaped balance weight serves as a container for containing the subsurface buoy and serves as an anchor for fixing the subsurface buoy after being laid, the ship time cost is saved, the laying quality is improved, and the situation that safety accidents of equipment and personnel are possibly caused by ocean observation with life dangers under the high sea condition is avoided.

The embodiment of the invention discloses an alarm method and system used for a wireless microphone, a microphone and a storage medium. The alarm method used for the wireless microphone comprises thefollowing steps: obtaining a Bluetooth signal transmitted by an intelligent terminal to a wireless microphone according to a first set frequency when the wireless microphone is connected with the intelligent terminal through Bluetooth; confirming the distance between the wireless microphone and the intelligent terminal according to the intensity of the Bluetooth signal, the preset unit distance signal intensity, and the signal intensity attenuation factor; and controlling an alarm device in the wireless microphone to send out an alarm signal if the distance is greater than or equal to an alarmdistance threshold. By means of the alarm method used for the wireless microphone, the loss of the wireless microphone is reduced during use, the waste of human and material resources is avoided, andthe usage experience of the user is improved.