31results about How to "Frequently used" patented technology

The invention discloses a data cache layer replacement algorithm based on the user activity degree. The method comprises the following steps of S1, initializing cache activity users; S2, synchronizing data between a data cache layer and a database; S3, calculating the user activity degree again and setting a third-level pre-warning value; S4, setting a first-level pre-warning value and a second-level pre-warning value; S5, judging the activity degree change situation of the users in the cache layer according to the first-level pre-warning value, the second-level pre-warning value and the third-level pre-warning value; S6, performing activity user cache replacement; S7, repeating operation of the S2 to S6 according to a period set by a system administrator until a system stops operation. According to the method, the data of the users with high activity degree are stored in the data cache layer by calculating out the user activity degree; response can be directly obtained from the cache layer without accessing a server when the users with the high activity degree access; the time for responding user requests is greatly reduced, and the user experience is improved.

The invention belongs to the technical field of medical instruments, and particularly relates to a physiological seawater nasal cavity sprayer. The physiological seawater nasal cavity sprayer consists of a spraying tank, a nozzle and a nozzle cover, wherein the spraying tank is filled with spraying liquid, and the spraying liquid comprises the following components in percentage by mass of 0.9% of sea salt, 5%-7% of glycerinum, 0.3%-0.6% of lecithin, 0.8%-1.5% of a humectant, 1%-3% of a functional additive, 0.003%-0.005% of essence and 86.995%-91.997% of purified water. The physiological seawater nasal cavity sprayer is good in long-term stability, good in uniformity and fine in atomized particles, the product quality is improved, the uniformity of spraying liquid entering the nasal cavity is very good, the spraying liquid can directly reach the focus, and the use effect of the product is improved.

The present invention relates to a positioning pin (30) for positioning and/or centering a first vehicle part (26) relative to a second vehicle part (28), encompassing a base body (44) with a first end (46), on which the base body (44) can be joined with the first vehicle part (26), so that the base body (44) forms a free second end (48) in the joined state, wherein the base body (44) comes into contact with a positioning and/or centering section (34) of the second vehicle part (28) at least in the area of the free second end (48) during positioning and/or centering, and the base body (44) exhibits two or more sliding surfaces (54), which are arranged in such a way that the positioning and/or centering section (34) slides along two or more of the sliding surfaces (54) at least in phases during positioning and/or centering. In addition, the invention relates to a vehicle door (10) in which the first vehicle part (26) is a trim panel (24), and the second vehicle part (28) is a window frame (15). Furthermore, the invention relates to a vehicle with such a vehicle door (10).

The invention discloses a combined steel wire rope guide mechanism of a rotary drilling rig. A pressurizing winch steel wire rope pulley, an auxiliary winch gooseneck boom pulley and a main winch pulley are arranged on a drilling mast; a support is fixed in the middle of the drilling mast, and a pressurizing rope guide pulley, an auxiliary winch rope guide pulley and a main winch rope guide pulley are mounted on the support; and in the cross section direction of the drilling mast, the auxiliary winch rope guide pulley is located on the outer side of the pressurizing rope guide pulley, and the main winch rope guide pulley is located on the outer side of the auxiliary winch rope guide pulley. According to the combined steel wire rope guide mechanism, the guide space of each steel wire rope is divided into three layers which are independent of one another, the structure is simplified, and space occupation is reduced; winding drums of an auxiliary winch and a pressurizing winch are short, the incident angle is small, rope guide mechanisms of the auxiliary winch and the pressurizing winch are arranged in the space of the two lower layers, and the bending moment borne by the pulleys in the working process is reduced; and the main winch is large in load and frequent in use, the incident angle of the steel wire ropes is large in change, the rope guide mechanism of the main winch is arranged on the outermost layer, and the rope guide mechanism is designed to be in a swing type so as to guarantee the stress state of the steel wire ropes and the pulleys of the guide mechanism.

The invention discloses a charging method and device, intelligent wearable equipment, a mobile terminal and a charging system. The charging method comprises the following steps: establishing near field communication with the intelligent wearable equipment; detecting whether the intelligent wearable device and the mobile terminal meet a wireless charging condition or not through the near field communication; if the intelligent wearable device and the mobile terminal meet the wireless charging condition, providing a magnetic field for the intelligent wearable device, and performing wireless charging on the intelligent wearable device. According to the charging method and device, the intelligent wearable device, the mobile terminal and the charging system provided by the invention, the mobile terminal can perform reverse charging on the intelligent wearable device, and the intelligent wearable device does not need to be taken down and connected to a special charger for charging, so a user does not need to perform charging operation, and the use of the intelligent wearable device by the user is not influenced in the charging process.

The invention provides a numerical control punching machine force increasing device capable of shortening punching time. The device comprises a material returning bottom plate, a top seat and punchingmachine head fixing plates, wherein four guide columns with limiting cap structures at the top ends are evenly distributed and arranged at four corners of the bottom face of the material returning bottom plate correspondingly, the each guide column is further sleeved with a corresponding cylindrical spring, a corresponding guide sleeve penetrates through each of four corners of the top seat, thetop seat is in sliding fit with the material returning bottom plate through the four guide sleeves, the top seat is in elastic contact with the four springs on the material returning bottom plate, thepunching machine head fixing plates comprise the left punching machine head fixing plate and the right punching machine head fixing plate which are both L-shaped bent plate structures, oiling coolingtreatment is carried out on the surfaces of machine heads moving up and down in the working process, oiling cooling is carried out according to the working intensity of the machine heads, downward pulling adjustment is carried out after the machine heads are abraded to a certain degree in a pressure adjusting mode, and a wiping base on the inner side of a rotating plate can be frequently used, sothat the service life can be prolonged.

The invention relates to a test question pushing and evaluation training method and system, a computer device, and a printing terminal, and the test question pushing method comprises the steps: S1, obtaining corresponding user information according to a received evaluation training request of a user; S2, calculating the interest degree of the user for each subject according to the user informationof the user, and selecting one subject as a recommended subject according to the interest degree; S3, calculating the knowledge level of the user for the recommended subject according to the recommended subject and the user information of the user; S4, according to the knowledge level of the user for the recommended subject, calculating the minimum value and the maximum value of the difficulty coefficient, and searching for one test question, between the minimum value and the maximum value of the difficulty coefficient, of the difficulty coefficient corresponding to the recommended subject asa recommended test question; and S5, pushing the recommended test questions. The test questions corresponding to the learning conditions of the user can be actively pushed to the user according to previous evaluation training result records of the user, the user experience is improved, and the stickiness between the user and the test questions is improved.

The invention discloses a keyboard manufacturing device based on key monitoring, which includes a monitoring module, a control center and a manufacturing module connected in sequence, wherein the manufacturing module includes: a command receiving unit, a command analyzing unit and a key manufacturing unit connected in sequence, The control center includes a sequencing unit, an intercepting unit and a command sending unit connected in sequence. By randomly selecting a number of keyboard users in the area; counting the number of strokes of each key of the keyboard by the number of keyboard users, sorting the number of strokes of each key of the keyboard, and screening out the keys to manufacture wear-resistant keys. This device analyzes the easily damaged keys based on the number of people hitting the keyboard, and then focuses on the anti-wear treatment for this batch of keys, so as to achieve the effect of extending the service life of the keyboard as a whole through additional protection of a small area. The protection cost is low and the effect is obvious.

The invention relates to a convenient type quick narrow-slit accident cutting gun. The cutting gun comprises an accident cutting gun gun-head, an accident cutting gun main body, a protective cover anda stop pin part, wherein the accident cutting gun gun-head comprises an internal mixing type accident cutting nozzle, a cutting nozzle locking screw and a 180-degreee micro cutting nozzle base, the internal mixing type accident cutting nozzle is in locking connection to the 180-degree micro cutting nozzle base through the cutting nozzle locking screw cap; the stop pin part comprises a rotary cover, a stop pin, a blocking head body, a blocking sleeve, a pin sleeve I, a pin sleeve II and a stop pin supporting plate, the rotary cover is welded with one end of a cylindrical head of the stop pin through silver soldering, the pin sleeve I is welded with the pin sleeve II, the blocking head body and the blocking sleeve are arranged at one end of the cylindrical surface of the stop pin in a sleeving mode, a welded welding assembly of the pin sleeve I and the pin sleeve II is arranged in the sleeving mode, and the threads are locked for tightly locking the blocking sleeve with the stop pin; one end of the stop pin supporting plate is welded with the assembled stop pin part, and the other end of the stop pin supporting plate is welded on a position between the rear surface of the protectivecover and a cutting oxygen handle; and the protective cover is arranged on the middle rear part of the accident cutting gun main body. The convenient type quick narrow-slit accident cutting gun is small in size, is light in weight, and relieves labor intensity of a worker.