45results about How to "Guaranteed waste" patented technology

The invention provides a quasi-three-dimensional automatic measurement system for wind tunnels of an atmospheric boundary layer, relating to a quasi-three-dimensional automatic measurement system. The quasi-three-dimensional automatic measurement system is used for solving the problems that the continuous multipoint measurement and automatic motion of a velocity rod can not be realized because the existing large-sized wind tunnel mobile control equipment is relatively few in category and complicated in structure, automatic equipment is mostly imported from abroad, high in cost and inconvenient in popularization and application, and own equipment is mostly equipment of manual control. The quasi-three-dimensional automatic measurement system comprises a forward-backward moving device and an upward-downward moving device; the upward-downward moving device is arranged in the forward-backward moving device; a first forward-backward moving mechanism and a second forward-backward moving mechanism are arranged at the two sides of a forward-backward moving bracket in parallel; an upward-downward moving bracket is arranged in the forward-backward moving bracket; and a first upward-downward moving mechanism and a second upward-downward moving mechanism are arranged at the two sides of the upward-downward moving bracket in parallel. Support frame length adjustment members and measuring rod support mechanism length adjustment members are adjustable within a certain range of length and can carry out leveling to a certain degree. The quasi-three-dimensional automatic measurement system is applicable to the automatic measurement of the wind tunnels.

The invention provides an automatic food heating and vending machine comprising an automatic food heating and vending machine body and a food heating system, wherein the food heating system is built in the automatic food heating and vending machine body and is used for automatically heating food. By means of the technical scheme of the invention, no matter a consumer purchases food in any form, the food can be automatically heated, moreover, the operation is simpler and safer, and the heated food can be obtained more quickly and directly, thereby improving the consumer experience and reducing the heat preservation energy consumption at the same time.

The invention provides a mobile management method and a mobile management system. The mobile management method and the mobile management system comprises the steps of switching from a source mobile inserting access gateway at a mobile node (MN) to an object mobile inserting MN, directly sending node information direct to the MN and address information direct to the object mobile inserting access gateway from an mapping server of the MN or through a mapping server of a correspondent node (CN) to a mobile inserting access gateway of the CN of the MN. The invention further provides a mobile management system. The mobile management method and the mobile management system ensures that the receiving and sending of an internet protocol message between the MN and the CN is no waste of transmission path after the MAG is changed by the MN so that the mobile needs of the MN are satisfied.

The invention discloses a refrigerator control method and device, a refrigerator and a computer readable storage medium. The method comprises the steps that the refrigerator is controlled to enter a low-energy-consumption mode corresponding to a target temperature range if the environment temperature is detected to be in the target temperature range and the refrigerator meets a preset low-energy-consumption switching condition. According to the scheme, under the condition that the cost is not increased or slightly increased under the old European energy consumption standard, the high energy consumption grade under the new standard can be achieved, meanwhile, the overall energy consumption of the refrigerator is effectively reduced, then the energy-saving effect and resource waste of products are guaranteed, and the competitive advantages of the products are indirectly improved.

The invention provides a short wave communication system power automatic control method which includes that 1 a transmitting end transmits two bandwidth chirp signal sequences with opposite adjusting frequencies at intervals and sequentially transmits modulated data frames according to the sequence of the time interval; 2 a receiving end samples and receives the signals according to a time slot, then conducts cross-correlation with local chirp signals, detects the size and the excursion of the relevant peak value and conducts synchronous control and gain adjustment. The good characteristics of accurate self correlation, wide frequency spectrum and good peak uniform rejection ratio of the chirp signals are utilized, the transmitting end selects optimum transmitting power to ensure that the signals can be transmitted to the receiving end and reach a detection threshold, the transmission power is not wasted too much, and power interference on peripheral nodes is reduced. The receiving end estimates the optimum receiving gain quickly according to the two received pioneer chirp signals and can effectively feed the gain back to the transmitting end.

The invention provides a dynamic resource management method based on a sliding window. A set phi of available resource ri in a definition system comprises a common resource pool phi base and an excellent resource pool phi very important person (vip), and common resources and excellent resources are respectively stored in the common resource pool phi base and the excellent resource pool phi vip; a set of a task tj with a k priority level is psi k, the task tj is defined as an important task or a common task according to priority levels of tasks; a sliding window size omega is defined to indicate a proportion of the excellent resources contained in the excellent resource pool in the whole resources, omega epsilon (0,1); i=1, 2, ...n, j=1, 2, ...m, wherein n and m are both natural numbers; task scheduling is conducted periodically, when each task scheduling period is over, a resource situation contained in the common resource pool phi base and the excellent resource pool phi vip is judged according to values of a flag bit F vip and an F base, and the sliding window size omega is adjusted; the sliding window size omega is used for adjusting the resources contained in the common resource pool phi base and the excellent resource pool phi vip, and by dynamic refreshing adjustment of the sliding window size, the resources contained in the common resource pool and the excellent resource pool are adjusted, and a relation between supply and demand of the resources and the tasks is adjusted.

The invention belongs to the field of glasses accessory manufacture technology, in particular to the manufacture method of elastic hinge housing of glasses, which has simple process, good material generality and higher material utilization rate to overcome the disadvantages of prior art, such as complicated manufacture method, poor material generality and low material utilization rate. The manufacture method comprises the following steps: changing the raw material for manufacturing elastic hinge housing of glasses rod material into metal wire material; cutting the selected wire material segment by segment to obtain a plurality of housing blanks corresponding to the length of the hinge housing; clamping the housing blanks by a plurality of fixtures on a rotary disc combined machine tool one by one; and feeding the housing blanks to each work position stepwise to achieve processing. Compared with prior art, the method has the advantages of high quality of the elastic hinge housing, good generality and high utilization rate of the metal wire, continuous and automatic production and greatly improved production efficiency.

The invention discloses a wet tissue non-woven fabric humidifying device. The device comprises a base, the upper end of the base is fixedly connected with a liquid containing tank, and two sides of the liquid containing tank are both fixedly connected with two supporting racks; first rotary shafts are rotatably connected with the two supporting racks, the two first rotary shafts are respectively and fixedly connected with first fabric rollers and second fabric rollers, and the upper end of the base is provided with a drive motor; the side wall of the base is provided with a worm, the drive motor is in transmission connection with the worm through a first transmission mechanism, and each first rotary shaft is in transmission connection with the worm through a second transmission mechanism;the upper end of the liquid containing tank is hinged to a tank cover, the left and right side walls of the liquid containing tank are respectively provided with a feed inlet and a feed outlet, and the side wall of the liquid containing tank is provided with a liquid outlet; the liquid outlet is internally in threaded connection with a seal plug, and the two side walls of the feed inlet and feed outlet are both fixedly connected with guiding mechanisms. According to the wet tissue non-woven fabric humidifying device, the redundant drug liquid is squeezed and recycled for cyclic utilization, and the drug liquid waste is reduced.

The invention discloses a positive-pressure joint for needleless medicated transfusion, belonging to the field of medical apparatus and instruments. The positive-pressure joint comprises a rubber plug inner core, a hollow rubber plug, a connecting tube socket and a shell of which the upper and lower ends are through, wherein the connecting tube socket and the lower end of the shell are in connected in a sleeving mode, and a horizontal flow guiding groove, which divides the bottom face of the internal wall of the connecting tube socket horizontally and equally, and two exhausting through holes, which are correspondingly located at the two sides of the horizontal flow guiding groove, are formed in the bottom face of the internal wall of the connecting tube socket; a transfusion tube is inserted to the middle part of the horizontal flow guiding groove; a rubber plug shell which is coaxial with the shell is arranged in the shell, the top face of the rubber plug shell is lower than the top face of the shell, the hollow rubber plug is coaxially located in the rubber plug shell and is supported by the bottom face of the internal wall of the rubber plug shell, sealing structures are respectively formed between the outer circumferential wall of the hollow rubber plug and the inner circumferential wall of the shell and between the outer circumferential wall of the hollow rubber plug and the inner circumferential wall of the rubber plug shell, and two exhausting pipes are further arranged at the bottom of the rubber plug shell and are connected with the two exhausting through holes correspondingly in an inserting mode; at least one longitudinal flow guiding groove which can be communicated with the horizontal flow guiding groove is formed between the radial direction of the outer circumferential wall of the rubber plug shell and the radial direction of the inner circumferential wall of the shell.

The invention relates to a paper box blank of an irregular paper box, which is characterized by comprising a paper box body plate, a bonding joint, a cover plate dustproof lacing, a bottom plate dustproof lacing, a first cover piece, a second cover piece, a second bottom piece, a first bottom piece, a cover plate inserting lacing and a bottom plate inserting lacing. The invention further relates to a manufacturing method of the paper box blank of the irregular paper box, which is characterized by comprising the following manufacture steps of (a) drawing; (b) cutting indentations; (c) pre-folding; (d) gluing; (e) folding; (f) bonding; (g) completing a paper box blank finished product. The paper box blank of the irregular paper box and the manufacturing method of the paper box blank of the irregular paper box have the advantages of scientific and reasonable structure design, high loading rate, novel appearance, easiness in realization, and capability of folding and bonding flat plates and sufficiently utilizing transportation space, and are a paper box blank of the irregular paper box with higher innovativeness and a manufacturing method of the paper box blank.

The invention discloses a novel feed trough device capable of being used wetly and dryly. The novel feed trough device comprises a plastic barrel, a barrel cover, a locating frame and a stainless steel bottom basin, wherein the locating frame is erected on the stainless steel bottom basin, a water inlet pipe is installed on the side face of the locating frame, the plastic barrel is fixed in the locating frame, a feed discharge adjusting rod provided with a protruding block penetrates through the upper portion of the plastic barrel, an adjuster is suspended below the protruding block, and the barrel cover is arranged on the top of the plastic barrel. A feed trough is arranged in the middle of the stainless steel bottom basin, and water troughs are arranged at the two sides of the stainless steel bottom basin. According to the novel feed trough device, the stainless steel bottom basin is used, so that the device is firm and durable; the stainless steel bottom basin is provided with both the feed trough and the water troughs so that the device can achieve multiple functions and can be used wetly and dryly; the plastic barrel with the conical angle design and the water inlet pipe uninterruptedly supply feed and water to the feed trough and the water troughs respectively, so that the feed and the water are kept fresh, clean and sanitary, and growth of pigs is facilitated; since the feed discharge adjusting rod and the adjuster are installed in the plastic barrel, discharged feed can be limited accurately, minimum feed waste is guaranteed, the labor amount of feeders is reduced, labor cost is lowered, and benefits are increased.

The invention discloses a cultivation method of cattle green fodder. The cultivation method comprises the following steps: 1, mounting cultivation equipment; 2, cultivating the cattle green fodder; 3, carrying out water and fertilizer management; 4, carrying out temperature management; 5, carrying out illumination management; 6, carrying out pest and disease damage management; 7, carrying out gas management. The cultivation method of the cattle green fodder, disclosed by the invention, can be used for producing in a whole year; the quantity of seeds can be determined according to a cattle feeding scale and the use amount of cattle per day; phenomena that the cattle green fodder is too much to be wasted and is too less to be not sufficient can be completely avoided and the yield of a unit area is high; 20 tons or more of fresh cattle green fodder can be produced through three-dimensional cultivation per square meter. The cattle green fodder produced by the method has abundant nutrient value and the content of crude proteins, vitamins and microelements is high; the cattle green fodder is palatable and has no pollution; the intake amount of the cattle can be increased and fattening cattle can grow for about 2kg per day after the cattle green fodder is used for a long period, so that the cattle green fodder is optimal green fodder for large-scale cultivation and production of green beef.

The embodiment of the invention discloses a chip, which comprises a commonly used pin and also comprises a standby pin. According to the embodiment of the invention, the standby pin meeting the functional requirements is arranged on the chip, so that the problem of normal use incapability of the chip due to pin breaking or damage in the use or debugging process is solved; the waste and the failure of the chip due to commonly used pin abnormality are ensured to be avoided; the cost is reduced.

The invention provides a dynamic resource management method based on a sliding window. A set phi of available resource ri in a definition system comprises a common resource pool phi base and an excellent resource pool phi very important person (vip), and common resources and excellent resources are respectively stored in the common resource pool phi base and the excellent resource pool phi vip; a set of a task tj with a k priority level is psi k, the task tj is defined as an important task or a common task according to priority levels of tasks; a sliding window size omega is defined to indicate a proportion of the excellent resources contained in the excellent resource pool in the whole resources, omega epsilon (0,1); i=1, 2, ...n, j=1, 2, ...m, wherein n and m are both natural numbers; task scheduling is conducted periodically, when each task scheduling period is over, a resource situation contained in the common resource pool phi base and the excellent resource pool phi vip is judged according to values of a flag bit F vip and an F base, and the sliding window size omega is adjusted; the sliding window size omega is used for adjusting the resources contained in the common resource pool phi base and the excellent resource pool phi vip, and by dynamic refreshing adjustment of the sliding window size, the resources contained in the common resource pool and the excellent resource pool are adjusted, and a relation between supply and demand of the resources and the tasks is adjusted.

The invention provides a suction type ore dissolving acid mist spray tower, comprising a liquid storage tank and a tower body, wherein the bottom of the tower body communicates with the top of the liquid storage tank through a first liquid conveying pipe; a gas box is arranged in the tower body, a plurality of gas outlet pipes communicate with the top surface of the gas box, and the bottom of thegas box communicates with a gas outlet of a first gas pump through a first gas pipe; a water curtain disc is arranged above the gas outlet pipes, a first water curtain formed by the water curtain disccorresponds to each gas outlet pipe, and a second water curtain is formed to cover all the gas outlet pipes; the water curtain disc communicates with a second liquid conveying pipe, the second liquidconveying pipe communicates with a water outlet of a booster pump, and a water inlet of the booster pump communicates with the liquid storage tank; and a second gas pump is installed on one side of the tower body, and a gas inlet of the second gas pump communicates with the interior of the tower body through a second gas pipe. According to the invention, acid mist can be purified in a water curtain mode, filtering and purifying effect is guaranteed, recycling can be achieved, and cost is reduced; and in addition, the modes of pressurized gas supply and negative pressure suction are adopted, movement of gas is accelerated, and therefore, filtering efficiency is improved.

The invention discloses a machine tool chip rolling device for machining. The machine tool chip rolling device comprises a chip rolling assembly and a barrel body, wherein the chip rolling assembly is used for transporting and rolling chip wires and the like generated by machining parts on a machine tool; a first cavity is formed in the barrel body; and the barrel body is used for collecting and secondarily machining the chip wires transported by the chip rolling assembly and is connected with the chip rolling assembly through a discharge port formed in the chip rolling assembly. According to the machine tool chip rolling device, through cooperative work of a rotary barrel, a driving component and a plurality of through holes formed in the rotary barrel, when the chip wires reach the interior of the rotary barrel from the chip rolling assembly, the rotary barrel rotating at a high speed drives the chip wires to rotate, residual cooling liquid on the chip wires falls onto the inner side wall of the barrel body through the through holes under the action of centrifugal force, is collected on a water tank under the action of a scraper and then flows out through a water outlet, so that the residual cooling liquid on the chip wires is collected and reused, unnecessary resource waste is guaranteed, and the cost is reduced.

The invention discloses a multifunctional garlic-garden flowerpot. An inner cylinder divides an outer cylinder vertically and horizontally into three spaces, namely a water storage region, an inner planting region and an annular planting region; a hollow stand column with the surface covered with a felt sleeve is arranged in an outer cylinder, stretches out upward from an opening of the inner cylinder and is internally provided with a water absorbing wick; the outside of the outer cylinder is provided with a capillary-opening water-retaining layer and a spiral shallow groove, and the spiral shallow groove is internally provided with a number of knock-off holes inwards and obliquely. The flowerpot is characterized in that an open cylinder body with the inner layer and the outer layer separated from each other has a scientific structure, is compact and novel and has a ingenious design, the flowerpot combines the functions of a vegetable garden and a normal flowerpot, the spiral shallow groove is flexibly provided with the knock-off holes, space is made full use of, and the flowerpot has many planting functions. The water storage region can collect residual water from the process of watering flowers, prevent mosquitoes, and reduce environmental sanitation pollution and water resource waste phenomena, and the capillary-opening water-retaining layer is made full use of to make soilkeep moist and prevent the occurrence of withering and death. The multifunctional garlic-garden flowerpot has outstanding environmental protection performance, a low-water-level indication function inthe water storage region and good creativity and is convenient to use and suitable for home use.

The invention discloses a detergent for a pure cotton towel and a washing process, and relates to the field of daily necessities. The detergent for the pure cotton towel is prepared from the followingraw materials in parts by weight: 88-98 parts of deionized water, 13-17 parts of Chinese honeylocust fruit powder, 10-12 parts of triethanolamine, 9-10 parts of sodium stearate, 9-10 parts of tea saponin, 5-9 parts of fresh ginger extracting solution, 5-9 parts of ethanol, 2.5-3.5 parts of wetting agent, 1.7-2.7 parts of malic acid, 1.4-2.8 parts of emulsifier, 1.2-1.8 parts of essence and 0.9-1.8 parts of enzyme preparation. The invention discloses a washing process of a pure cotton towel. The washing process comprises four steps of preheating and soaking, micro-pressure finishing, washing and dewatering. According to the detergent for the pure cotton towel and the washing process, the towel is heated and washed by using high-pressure steam, the subsequent washing effect is improved, only water just submerging the pure cotton towel needs to be used for washing the towel, the consumption of water resources is reduced, the washing process is completed in a spraying mode, and the wasteof the water resources is reduced; the secondary pollution to the pure cotton towels caused by washing liquid mixed into clear water is avoided, and the cleaning effect is guaranteed.

The invention discloses a circle-bending machine special for a single-stranded lead wire. The circle-bending machine is composed of a handle connection part and a circle-bending machine part. The circle-bending machine is characterized in that a circle-bending column is arranged at the right end of the circle-bending machine part; L-shaped steel wires are welded on the circle-bending column; and the right end of the handle connection part is connected with the left end of the circle-bending column. The circle-bending machine has the advantages that the condition that the size of the bent circle of the single-stranded lead wire is not coincident to the actual needed size can be avoided, and further the attractiveness and the practical applicability of the bent circle can be ensured. In addition, according to the circle-bending machine, the speed for bending circles is increased, the quality of the bent circles is ensured, the labour intensity of operators is reduced, and the physical strength of the operators is saved, thus the working efficiency is increased greatly.

The invention relates to an anticoccidial traditional Chinese medicine preparation and a preparation method thereof. The anticoccidial traditional Chinese medicine preparation mainly comprises the following components: giant knotweed, notoginseng, rhubarb and halofuginone. The anticoccidial traditional Chinese medicine preparation has the characteristics that the anticoccidial traditional Chinese medicine preparation not only can quickly inhibit and kill coccidia oocysts, but also effectively stops bleeding, quickly repairs the intestinal impaired mucosa, effectively prevents the coccidiosis from recurring, and does not affect the feed-meat ratio of poultry; meanwhile, the solution form is adopted, and the anticoccidial traditional Chinese medicine preparation can be evenly dispersed in water, so that the anticoccidial traditional Chinese medicine preparation is convenient to take, waste is reduced, the dose is ensured, the bioavailability is improved, and a drinker is not blocked.

The invention discloses a multifunctional environment-friendly lunch box with an intelligent temperature control function. The multifunctional environment-friendly lunch box comprises a lunch box bodyand a top cover. The lunch box body is composed of the top cover and a containing bin, the top of the containing bin is rotationally connected with the top cover through a hinge, and a heat separation plate is clamped and fixed in the containing bin. According to the multifunctional environment-friendly lunch box, when a user needs to carry out heat preservation on food, a control switch is powered on, a temperature sensor can detect the temperature in the lunch box body; when the temperature is lower than 45 DEG C, the temperature sensor can transmit data to a temperature controller, and thetemperature controller can make a heating plate to heat a food storage box; when the food storage box is heated to 70 DEG C, the temperature sensor can transmit data to the temperature controller, and the heating plate is made to stop working. The intelligent temperature control device can carry out scientific and reasonable heating according to the temperature condition of food, and meanwhile electric energy waste can be avoided.

The invention discloses an energy-saving management system for a pit-free elevator, relates to the technical field of automatic control of elevators, and solves the technical problems of energy consumption and intelligent management of the pit-free elevator, a pit of the elevator refers to a hoistway part below the ground of a bottom layer of the elevator, and the pit-free elevator can be directly mounted on a ground finishing surface, so that the energy consumption of the pit-free elevator is reduced. No civil engineering pit needs to be reserved, the strong-drive elevator can be used as a pit-free elevator, the principle of the strong-drive elevator is forced upward pulling type lifting, and therefore in the elevator running process, as long as an internal box does not make contact with the ground, the whole elevator box can be in the stress and energy consumption state all the time, and the whole elevator needs buffering treatment; the invention provides a pit-free type elevator energy-saving management system, and the pit-free type elevator energy-saving management system adjusts an elevator to be in an unmanned state and to be always located at the bottom of an elevator room. The minimum energy consumption of the whole elevator and the minimum abrasion of the whole elevator when the elevator does not run are ensured.

A blood sample processing device, which effectively solves the problem of time-consuming and laborious inactivation of blood samples, and the inconvenience of quantitatively injecting solutions; it includes a box body, the upper end of the box body is provided with a liquid storage barrel in the upper and lower axes, and a liquid storage barrel is located in the box body. The quantitative barrel just below the box is slidably connected with a sliding frame, and a waist-shaped internal gear is slidably connected in the sliding frame. The internal gear is provided with a main gear that meshes with it and can rotate left and right. The left end of the sliding frame is provided with a left-facing U-shaped block, the quantitative barrel is located in the U-shaped block and its upper and lower ends are respectively in contact with the inner surface of the U-shaped block. The upper and lower sides of the U-shaped block are respectively provided with leaking holes that can communicate with the quantitative barrel. The two leaking holes are not connected. Collinear, the box is equipped with a telescopic tube directly below the quantitative barrel, the lower end of the telescopic tube is equipped with a needle that can move up and down, and the front of the box is equipped with a left-right direction and rotatable timing belt. The outer surface of the tray is evenly distributed; the invention has novel conception, ingenious structure, convenient operation and strong practicability.

The invention discloses a precipitation treatment system for a construction site, which comprises a precipitation well system, a blow-off pipe, a pump body system, a water storage tank system and a water terminal, the precipitation well system is connected with the water storage tank system through the pump body system, the water storage tank system is connected with the water terminal, the blow-off pipe is connected with the precipitation well system, and the water storage tank system is a buried water storage tank system. A liquid level sensor used for opening and closing the pump body is arranged in the water storage tank. The buried water storage tank is adopted, so that the water tank is lower than the frozen soil layer in thickness, anti-freezing of the water tank is achieved, and operation of the rainfall treatment system is guaranteed; the water tank adopts a sensor to dynamically store water, and the ultrasonic sensor ensures that the water tank can still operate under the deep burying condition; the water quality is graded through multi-stage sedimentation, and the water is immediately used under the appropriate water quality condition, so that the water utilization rhythm is guaranteed, and long-time sedimentation is avoided; and through the water receiving tank arranged at the pipeline, waste of water generated at the easily damaged part can be recovered to the interior of the system in real time.

The invention discloses a double-source constant-temperature vacuum drying system. The system comprises a vacuum drying unit, a heat supply assembly, a waste heat recovery unit and a control assembly,wherein the vacuum drying unit is provided with a vacuum drying bin, and a heat exchanger and a water ring pump which are arranged in the vacuum drying bin; the heat supply assembly is provided witha high-temperature water tank and a first auxiliary heater, and the high-temperature water tank communicates with a medium inlet and a medium outlet of the heat exchanger; the waste heat recovery unitis provided with a low-temperature water tank, a second auxiliary heater and a water source heat pump, the low-temperature water tank communicates with a water inlet and a water outlet of the water ring pump and a heat exchanging inlet and a heat exchanging outlet of a first evaporator of the water source heat pump, and the high-temperature water tank communicates with a heat exchanging inlet anda heat exchanging outlet of a first condenser of the water source heat pump; and the control assembly is provided with a controller, a first temperature sensor used for detecting the temperature in the vacuum drying bin, a second temperature sensor used for detecting the temperature of water in the high-temperature water tank, and a third temperature sensor used for detecting the temperature in the low-temperature water tank. Materials are subjected to constant-temperature heating drying in low-temperature vacuum, energy is saved, and damage to nutrients and tastes of the materials is reduced.

The invention discloses a low-temperature automatic heating handheld three-proofing tablet personal computer, and relates to the technical field of tablet personal computers, the low-temperature automatic heating handheld three-proofing tablet personal computer comprises a protective shell and a tablet personal computer body, a movable plate is movably sleeved with the protective shell, springs and damping sleeves which are evenly distributed are fixedly connected between the protective shell and the movable plate, and the tablet personal computer body is located above the movable plate. According to the low-temperature automatic heating handheld three-proofing tablet computer, through cooperative use of the movable plate, the heating equipment, the external standby power supply and the temperature sensor, after the protective shell and the tablet computer are assembled and fixed, the tablet computer can be heated automatically; the heating device can correspond to the back face of the tablet personal computer under the action of the movable plate, when the temperature sensor outside the external standby power supply detects that the environment temperature is too low, the external standby power supply can be started and supply power to the heating device, the heating device heats the back face of the tablet personal computer, and the working environment of the tablet personal computer is guaranteed.

The invention provides a fishery farm. The fishery farm comprises a large farm, a small farm as well as a dam for separating the large farm from the small farm, wherein at least one fish passing channel penetrating through the large farm and the small farm is formed in the dam, so that the large farm and the small farm are ensured to communicate with each other, and activities of fishes in ponds on two sides are facilitated. Valves capable of opening and closing the fish passing channel are arranged in the fish passing channel, and bait feeding devices are arranged in the small farm. When thevalves are switched on, the two ponds communicate with each other, and fishes in the large farm can swim to the small farm via the fish passing channel to take bait, so that unnecessary waste of the bait is avoided, a utilization rate of the bait is increased, environmental loads of the farm on water quality and substrate are reduced, the water environment pollution is reduced; and when the fishestake bait in the small farm, the valves are switched off, and fishing can be carried out in the small farm, so that a large quantity of manpower and material resources are saved.

The invention relates to the technical field of liquid subpackaging devices, and provides a quantitative discharging device for resin liquid mixture which comprises a rack, the rack is provided with a storage tank, a driving mechanism, a turnover piece and a discharging assembly, the storage tank is provided with a ventilation opening, resin liquid sequentially flows through the storage tank and the turnover piece and finally flows into a packaging piece, the output end of the driving mechanism is fixedly connected with the turnover piece. The discharging assembly comprises a sealing plate, an external air pipe, an internal air pipe and a filter screen, the sealing plate is arranged between the storage tank and the turnover piece, and a liquid passing hole and an air passing hole are formed in the sealing plate; the external air pipe is arranged on the rack, and the air passing hole is communicated with the storage tank through the external air pipe; the built-in air pipe is arranged in the storage tank; a plurality of filter screens is arranged, and at least one filter screen is arranged on each of the internal air pipe and the external air pipe; according to the technical scheme, the problems of difficulty in small-batch preparation production of resin liquid and inaccurate quantification in the prior art are solved.