106results about How to "Easy to promote and use" patented technology

The invention discloses a document image classification method and device, and belongs to the field of computer vision. The method comprises: training a text feature vector extraction model and an image feature vector extraction model respectively, extracting a fusion feature vector of a document image in an embedded feature mode that text feature vectors and image feature vectors are fused, and classifying the document image based on the similarity of the fusion feature vector. According to the method, various document images can be quickly registered and classified, the service process can be greatly simplified, the OCR API can be simplified, all documents can be recognized through one API, and permanent use of one-time access is truly achieved.

The invention is suitable for communication field and provides a touch screen terminal. The touch screen terminal comprises an electrode unit, a working mode switchover unit, a main control unit and a communication information processing unit. The electrode unit is used for transmitting and receiving signals during human body communication and can form the human body electric field signal circuit together with a human body, an external human body communication device and the ground during the human body communication, the working mode switchover unit is used for setting a touch operation mode or a human body communication mode of the touch screen terminal in work, the main control unit is connected with the working mode switchover unit and the electrode unit and is used for receiving and transmitting communication information through the human body electric field signal circuit in the human body communication mode, and the communication information processing unit is used for processing the communication information received by the main control unit through the human body electric field signal circuit, processing the information to be transmitted and transmitting the information through the main control unit and the human body electric field signal circuit. The touch screen terminal is based on a capacitive touch screen technology, can finish human body communication transmission without complicated sensors and hardware, can multiplex an electrode structure and is easy to popularize and use.

The invention discloses a method for fixing the position of a mobile terminal. The method comprises the following steps: modulating carrier signals by using codes specific to an acoustic wave signal source device; emitting modulated acoustic wave signals at a specific frequency by using the acoustic wave signal source device; receiving the acoustic wave signals by using the mobile terminal; demodulating the received acoustic wave signals so as to obtain codes specific to the acoustic wave signal source device; and based on correspondence between the codes and position of the acoustic wave signal source device, fixing the position of the mobile terminal. The invention also relates to an acoustic wave signal source device for assisting the fixing of the position of a mobile terminal, a corresponding mobile terminal and a system formed by the acoustic wave signal source device and the mobile terminal. By using the method and system disclosed by the invention, acoustic wave can be used as a carrier of information required in the fixing of position of a mobile terminal, therefore the position of the mobile terminal can be fixed in the fields in which other positioning techniques can not be used.

The invention discloses a method for extracting alga-inhibiting active ingredients from Artemisia annua L., and an alga-inhibiting method, and belongs to the field of water pollution control. The invention solves the problems of high cost, large ecological risk, secondary pollution and the like of the traditional alga-inhibiting technology. The device discloses a method for extracting and preparing an alga-inhibiting agent from land plant of Artemisia annua L. The method comprises the following steps of: extracting the dried and crushed Artemisia annua L. by steps with petroleum ether and ethyl acetate, washing petroleum ether extracting solution with diluted acid, combining active ingredients obtained by diluted alkaline stripping and active ingredients obtained by washing ethyl acetate extracting solution with diluted acid and diluted alkaline, and then preparing the alga-inhibiting agent. The method has the advantages of simple process, easy implementation, low cost and the like, and can be widely used for waters of ponds, reservoirs, lakes and the like.

The invention discloses a soft package lithium core side edge glue sealing method and glue sealing machine. The machine comprises a box body, a feeding mechanism, a CCD detection mechanism, a pressed film glue coating structure, a material taking mechanism, a curing mechanism, a conveying belt and an upper shell; the feeding mechanism, the CCD detection mechanism, the pressed film glue coating structure and the material taking mechanism are arranged on the top of the box body; a photographing device is arranged on the CCD detection mechanism, and the material taking mechanism is arranged on one side of the pressed film glue coating structure through a first sliding rod and a second sliding rod in a sliding manner; the curing mechanism is arranged on the conveying belt, and a columnar heat dissipation pipe is arranged on the top of the curing mechanism; the upper shell is arranged on the top of the box body, and universal wheels are arranged at the bottom of the box body; a supporting rod is arranged at the bottom of the conveying belt, and a supporting foot is rotatably mounted at the tail end of the supporting rod; and design of a mold cavity and a flow way is adopted, glue sealing of lithium cores in different shapes including complex shapes and with different sizes can be achieved, practicability is high, and use and popularization are easily achieved.

The invention provides an ultra-dense wavelength division multiplexing system and a method. The system comprises N optical frequency comb wavelength division multiplexing subsystems and a coupler, wherein the N optical frequency comb wavelength division multiplexing subsystems are used for outputting wave combining signals, and N is an integer which is more than or equal to 2; and the coupler is used for carrying out interleave multiplexing on the wave combining signals output by the N optical frequency comb wavelength division multiplexing subsystems so as to combine into one path of signals. Each optical frequency comb wavelength division multiplexing subsystem comprises an optical frequency comb, a wave separator, K modulators and a wave combiner, wherein the wave separator is used for separating K optical carrier signals from the optical frequency comb, and K is an integer which is more than or equal to 1; the K modulators are connected with the output end of the wave separator; and the wave combiner is connected with the output ends of the K modulators. According to the invention, the ultra-dense wavelength division multiplexing is realized by a plurality of the optical frequency comb wavelength division multiplexing subsystems, and the realization is simple.

The invention discloses a smart mobile phone-based pavement crack detection device. The device comprises a wheel type range finder, a smart mobile phone, a smart mobile phone fixing clip, a smart mobile phone power supply system and a drive-by-wire photographing system; the smart mobile phone fixing clip is installed at the lower end of the handlebar of the wheel type range finder and is located at the center of the test wheel of the wheel type range finder; a pavement crack image processing application is installed in the smart mobile phone; the smart mobile phone power supply system includesa battery fixing clip, a battery and a USB data cable; two ends of the USB data cable are respectively connected with the battery and the charging interface of the smart mobile phone; the drive-by-wire photographing system includes a photographing button, a PCB connecting wire and a drive-by-wire joint; and two ends of the PCB connecting wire are respectively connected with the photographing button and the drive-by-wire joint. The invention also provides a method for detecting pavement cracks by using the smart mobile phone-based pavement crack detection device. The device and the method of the invention have the advantages of simple detection process, high detection efficiency, high detection accuracy, and low labor intensity.

The invention belongs to the field of electric vehicle new energy, and particularly relates to a charging pile which is arranged outdoors and used for allowing an electric vehicle to be charged. The electric vehicle charging pile comprises a pile body, a charging control panel is arranged in the pile body and connected with a display device, a billing device, an alternating current input device, a direct current output device and an IC card reading device through wires, and the alternating current input device is connected to a municipal power grid through a cable; the surface of the pile body is provided with a man-machine interaction interface, an IC card reading unit and a charging socket port, the man-machine interaction interface is connected to the charging control panel through a wire, the IC card reading unit is connected to the IC card reading device through a wire, and the charging socket port is connected to the direct current output device through a wire. The electric vehicle charging pile is firm in appearance, simple in structure, convenient to comprehensively use and popularize and capable of being charged by adopting solar energy charging and saving resources.

The invention discloses a high-temperature loose coal-induced inflammable and explosive gas explosion coupling test apparatus and a method thereof. The apparatus comprises a coal reactor, a heating temperature control subsystem, a gas distribution subsystem, a data acquisition subsystem and a host computer. The method comprises the following steps: 1, charging experimental coal particles, and examining the air tightness of the coal reactor; 2, determining the vacuum state of a vacuum gas bottle; 3, carrying out high temperature heating and high temperature monitoring on loose coal; 4, proportioning high-temperature loose coal, and adjusting the pressure balance of the coal reactor; 5, acquiring and transmitting high-temperature loose coal-induced inflammable and explosive gas explosion coupling data; and 6, analyzing and storing the high-temperature loose coal-induced inflammable and explosive gas explosion coupling data. The apparatus and the method can be used to accurately test the mutual promotion relationship between the inflammable and explosive gas and the explosion of the high-temperature loose coal, can be reused to determine the evolution rules of all parameters under various conditions, and are of great significance to the prevention and control of mine coal fire thermo-motive disasters.

The invention discloses a stainless steel welding electrode with low magnetic permeability and a preparation method thereof. The welding electrode of the invention is composed of an H06Cr21Ni10 welding core and a coating. The coating comprises components according to the following weight percentages: 45 percent to 53 percent of TiO2, 10 percent to 13 percent of CaCO3, 10 percent to 13 percent of CaF2, 0.6 percent to 1 percent of alkali powder , 5 percent to 7 percent of quartz, 2 percent to 3 percent of talc, 6 percent to 8 percent of chromium metal, 7.5 percent to 8.5 percent of manganese metal, 2.8 percent to 3.6 percent of metallic nickel and 1 percent to 2 percent of Cr2O3. The weld metal of the welding electrode of the invention has low magnetic permeability, meets the required mechanical properties and can be used for welding stainless steel structures of 1Cr18Ni9Ti and 0Cr18Ni9 with low magnetic permeability. The price of the welding electrode is considerably lower than that of the existing stainless steel welding electrode E310-16 with low magnetic permeability. The welding electrode of the invention has welding technological properties and mechanical properties of weld metal which are similar to the existing E308-16 stainless steel welding electrode, thereby being convenient for wide application.

The invention discloses a rooting induction agent preparation method. The method comprises the following steps: selecting 4-6 plant growth nutrition components, respectively dissolving the components in proper amounts of solvents corresponding to the components according to proper times of reference weights, and uniformly mixing and stirring to obtain a rooting induction agent. The rooting induction agent prepared in the invention has the following advantages: induced cuttings root and come into leaves, so nutrition substance supply bases needed by the survival and growth of the cuttings are established, the cutting survival rate is substantially improved, and the survival rate of difficult-cutting-survival Jatropha curcas can reach 100%; the rooting induction agent can be directly absorbed by the surfaces of the cuttings, can be directly sprinkled on the surfaces of the cuttings, and is simple and convenient to use; the cuttings do not need blades, so the packaging trouble is reduced, and the cuttings are convenient to package and transport; and the preparation method is convenient for the comprehensive popularization use of a cutting method, and is of great significance for the clonal fine breed seedling of plants.

The invention provides a program file protection method used for a storage device. At least one protection address field is arranged in a program file. The method also comprises the following steps: (1) reading the program file via the storage device to check at least one protection address field; and (2) reading the program file content or canceling the reading operation via the storage device according to the check result. The invention also provides a program file protection device. According to the program file protection method and the protection device provided by the invention, anti-copy protection of the program file is achieved without influencing the normal operation of the program film. The method is safe, reliable, simple and easy to be extended.

The invention relates to the technical field of gene detection, and discloses a gene detection system and method. The gene detection system comprises a control unit, a reagent container unit providedwith labels, a label identification unit for identifying the positions of all reagent containers, a constant-temperature storage unit, a centrifuge, a gene detector, a liquid relief assembly and a transferring unit; and the label identification unit identifies the types and the positions of all the reagent containers in the reagent container unit and then transmits identified information to the control unit, the control unit conducts analysis and calculation according to received information, calculates the operational procedure of a mechanical arm and sends a control instruction to the mechanical arm, and the mechanical arm acts according to the control instruction. According to the gene detection system, linkage between the label identification unit and the transferring unit is achievedthrough the control unit, artificial participation is reduced, the labor cost is lowered, the gene detection system has the advantages of high working efficiency and low error rate, and the detectionefficiency and accuracy of the gene detection system can be improved.

The invention discloses a horizontal wire rope fatigue testing machine, which comprises a working wheel arranged on a machine body, wherein a guide wheel and a transition wheel are respectively arranged on two sides of the working wheel; a simulated traction wheel is arranged at an inclined lower part of the guide wheel; a tension wheel is arranged at the inclined lower part of a transition wheel; the tension wheel is connected with a tension transition wheel through a transmission component; a clump weight is connected to the tension transition wheel; the working wheel is connected with a drive device, and the drive device is electrically connected with an electric controller. The wire rope fatigue-testing machine adopts a horizontal structure and the test environment is nearer to actual use environment so that the test data basically coincides with the actual use data. Meanwhile, the wire rope fatigue-testing machine has low price and is easy to popularize and use.

The invention discloses an experimental method based on a thermo-motive disaster multi-parameter spatio-temporal evolution analysis experiment table. The method comprises the steps of 1, determining a mine simulation object and establishing an experiment table device; 2, detecting the airtightness of the experiment table device; 3, initializing an experiment control terminal; 4, controlling the change of ventilation quantity in a roadway simulation module, roof caving position, roof caving degree and smoke and gas discharge position and speed, and acquiring the mine thermo-motive disaster multi-parameter spatio-temporal evolution process; 5, judging whether the concentration of gas and oxygen in the roadway simulation module reaches a critical threshold value causing gas explosion; 6, triggering secondary gas explosion in the roadway simulation module and analyzing thermo-motive disaster multi-parameter spatio-temporal change. Steps are simple, mine roadway ventilation quantity, roof caving phenomenon and the change of smoke and gas generating rates of different positions can be simulated, the position where secondary gas explosion occurs easily in the roadway simulation module can be acquired, and thermo-motive disaster multi-parameter spatio-temporal change can be analyzed.

The invention belongs to the technical field of garages and relates to a stereo parking device for residence communities, specifically to a stereo garage comprising a bracket, a lifting mechanism, a driving mechanism and an energy conversion mechanism. Cars of the upper layer are parked on the bracket; the energy conversion mechanism is connected with driving wheels of the cars of the upper layer; the driving mechanism is connected with the energy conversion mechanism through a pipeline; the driving mechanism is connected with the lifting mechanism; the lifting mechanism is used for lifting the bracket and the cars of the upper layer; cars of the lower layer are parked in the space below the bracket. The stereo garage requires no power, no layout of electric wires and no carrying of accumulators and does not block fire fighting accesses; the stereo garage can work with the power provided by the driving wheels of the cars of the upper layer, thereby being convenient to use and popularize.

The invention discloses a shied cutter head abrasion repairing construction method in a tunnel. The method comprises the steps that first, cutter head repairing working space in the tunnel is digged; second, cutter head outer edge abrasion is repaired in the tunnel, specifically, 201, outer edge big ring abrasion is repaired, 202, notch ring abrasion is repaired, and 203, inclined-plane folded plate abrasion is repaired; and third, cutter head panel abrasion is repaired in the tunnel, specifically, 301, big scraper tool apron abrasion is repaired, 302, outer ring small scraper tool apron abrasion is repaired, and 303, abrasion of a hob knife box weld seam is repaired. The design is novel, cutter head abrasion repairing in the tunnel is conducted utilizing steadiness of a tunnel face in a whole fracture surface hard rock position, ground well opening is avoided, cost is saved, meanwhile, a scraper tool apron which is prefabricated and designed with a positioning through hole is adopted to cover welding construction, the situation that location is difficult when an original heavy scraper tool apron is mounted is avoided, so that cost is saved, the construction period is shortened, and replacing of the scraper tool apron in small space is convenient and feasible.

The invention discloses a single image defogging method based on a priori knowledge guide condition generative adversarial network. The method comprises the steps of 1, establishing an atomized image training set; 2, performing preliminary defogging on a single random foggy image; 3, performing defogging training on the preliminary defogged image; 4, calculating true and false values of the defogging training image of the reference true value image and the preliminary defogging image; 5, calculating an image loss objective function; 6, updating the weight parameter set; 7, calling a new single random foggy image, and repeating the step 2 to the step 6 until the true and false values reach a set value; and 8, defogging a single actual foggy image. According to the invention, priori knowledge is utilized to guide a coding network to generate a fog-free result. A part of useful information obtained through priori knowledge is utilized. Meanwhile, the feature modeling capability of the deep neural network is utilized to make up for the deficiency of the priori knowledge, it is not needed to display and establish an atmospheric scattering model in the deep neural network, but the atmospheric scattering model is regarded as condition generation of an image, and the defogging effect is good.

The invention discloses a test case generation method. The method includes: drawing a business process diagram on the basis of webpage; generating a test case according to the business process diagram and a preset algorithm. Since the business process diagram is drawn on the basis of the webpage, and the process can be realized through a browser without installation of a client; by the drawn business process diagram, a test case design process is diagramed, quickness in test case design is realized, and branch omission caused by human negligence is avoided; furthermore, the process can be either directly and independently operated in the browser or integrated to a test case management system to operate, flexibility in usage mode is realized, the test case can be automatically and easily generated according to the method, operation efficiency and test case quality are improved, and cost is reduced.

The invention discloses a design and construction method of a large-segment hoisting self-anchorage cable suspension bridge with hinges between segments. The construction method of the large-segment hoisting self-anchorage cable suspension bridge with the hinges between the segments comprises the following steps that (1) pouring of bridge towers and bridge piers is carried out, full supports and temporary piers are erected, and main beams are erected on the full supports; (2) main beam segments and hinged structures on the two sides are machined; (3) all the main beam segments are erected on the temporary piers, and the hinged structures on the two sides of the main beam segments are connected; (4) a main cable is erected, hanging rods located on the main beam segments are tensioned, and when rotating angle difference values of the hinged structures are adjusted to be zero, the hanging rods stop being tensioned; and (5) adjacent main beams are welded into a whole, and subsequent cablesuspension bridge construction steps are completed. Through the construction steps, the problem that the large-segment hoisting construction of the self-anchorage cable suspension bridge is difficultto reach a reasonable finished bridge state can be effectively solved, and the competitive force of the self-anchorage cable suspension bridge with a large span and a temporary navigation requirementis further improved.

The invention provides a RPA primer and a probe for detecting Listeria monocytogenes and a detection method. The RPA primer and the probe are designed based on a Listeria monocytogenes actA gene, andprimer sequences are shown in SEQ ID No.1, 2 and 3. The probe length is 45-52bp, a position where is 30bp apart from 5' terminal in the middle of the probe is modified by dSpacer, thymidine at doublesides of the dSpacer molecule are respectively replaced by a fluorescence group FAM and a quenching group BHQ1, a 3' terminal of the probe is modified by a blocking group C3Spacer, and the sequence isshown in SEQ ID No.4. Compared with the prior art, detection by the detection method can be completed within 15 minutes, in order to rapidly detect whether Listeria monocytogenes exists in a sample;the established RPA method has good specificity and high sensitivity, special apparatuses are not needed, and the method has important application values in the fields of disease monitoring, clinic diagnosis, foodstuff safety monitoring, and the like.

The invention provides a respiratory system disease outpatient quantity prediction method, which is based on outpatient quantity data, air quality information and weather information, constructs a time series hybrid prediction model, and realizes automatic and accurate prediction of respiratory system disease outpatient quantity. The method not only can describe the trend rule of the outpatient quantity index, but also can incorporate a plurality of related factors including air quality and weather information to describe the details of the fluctuation rule. Therefore, based on the method, important reference can be provided for hospital managers, managers are helped to judge the attack law and trend of respiratory system diseases, the managers are assisted to make decisions such as resource allocation and task planning, and a quantitative basis is provided for reasonable allocation of medical resources.

The invention relates to a split type automatic doffing system which is used among multiple spinning machines and is used for realizing automatic doffing. The split type automatic doffing system comprises guiding locating mechanisms and a line feed push-pull mechanism, wherein the guiding locating mechanisms fixedly correspond to and are used together with a single spinning machine, and the line feed push-pull mechanism is used for performing line feed work among the multiple spinning machines. Because the split type automatic doffing system is separately designed with a tube drawing device used for clearing empty yarn cops, before the line feed push-pull mechanism reaches the next spinning machine to connect with a new guiding locating mechanism to form a new automatic doffing cart, no empty yarn cop used by the previous spinning machine exists in an empty pipe groove of a doffing device, and the aim of movable working of the automatic doffing cart among the spinning machines can be realized easily. Because the line feed push-pull mechanism comprises a device, which is the uppermost and has the highest value, of the automatic doffing cart, the equipment acquisition cost of a factory is greatly reduced, and the automatic doffing cart can be popularized and used in the whole spinning industry conveniently.

The present disclosure proposes an LoRa practical training experiment box. The LoRa practical training experiment box comprises an experiment box body in which a LoRa gateway, a LoRa terminal node anda sensor development kit are disposed. The sensor development kit is used for connecting with the LoRa terminal node and collecting sensing data. LoRa wireless modules are respectively arranged in the LoRa terminal node and the LoRa gateway. The LoRa terminal node is used for wirelessly connecting with the LoRa gateway to form an ad hoc network to transmit data collected by the sensor developmentkit to a monitoring terminal or a cloud platform. Built-in cavities adapted to the outline structures of the sensor development kit, the LoRa terminal node and the LoRa gateway are respectively formed in the experiment box body. The LoRa practical training experiment box integrates the LoRa gateway, the LoRa terminal node and the sensor development kit. By connecting the above practical trainingcomponents and loading corresponding configuration files, an LoRa ad hoc network can be established to collect and transmit data, thereby realizing the practical training of the Internet of Things LoRa networking. Besides, the practical training components of the LoRa practical training experiment box are placed in the practical training box, and thus the entire practical training device is convenient to carry, use and popularize.

The invention relates to the technical field of microorganisms, in particular to a method for rapidly and quantitatively detecting lactobacillus rhamnosus phages. According to the method, a lactobacillus rhamnosus pili subunit SpaA specific polyclonal antibody is coupled to nano-magnetic beads to form specific immunomagnetic beads; phage particles in a sample are adsorbed by using lactobacillus rhamnosus viable cells, and then are re-suspended in a buffer solution after being centrifuged and washed; and after the immunomagnetic beads are used to capture a lactobacillus rhamnosus-phage compound, and magnetic field separation and PBS washing are performed, a magnetic glassy carbon electrode is taken as a working electrode, a lead wire and a saturated calomel electrode are taken as a counterelectrode and a reference electrode, the difference between resistance values in the sample and a contrast is determined, and the phages in the sample can be rapidly and quantitatively detected. The method is simple and convenient in operation, free of culture, short in time and convenient to popularize and use, is suitable for detection of the phages in an environment and raw materials in high-density fermentation preparation of lactobacillus rhamnosus, and is convenient for rapidly determining pollution source and way; and comprehensive prevention and control measures are adopted.

The invention provides an electric kettle. The electric kettle is characterized in that a kettle cover lock catch is provided with a first interference part, a pushing rod is provided with a second interference part, and the first interference part and the second interference part are correspondingly arranged; when the kettle cover lock catch moves, the first interference part can move together with the kettle cover lock catch and interferes the motion of the pushing rod, and thus the situation of preventing the pushing rod from moving is realized; when the pushing rod moves, the second interference part can move together with the pushing rod and interferes the motion of the kettle cover lock catch, and thus the situation of preventing the kettle cover lock catch from moving is realized. According to the electric kettle provided by the invention, the problems in related technologies that due to misoperation, a scald accident is caused, and the electric kettle is damaged are effectively solved, the use performance of the electric kettle is better improved, and the practicability is more significant.

The invention discloses a small-caliber shallow groundwater nested monitoring well and a well building method thereof. The monitoring well comprises an outer pipe and monitoring well pipes, wherein aplurality of monitoring well pipes are correspondingly arranged according to the number of detected sectional aquifers, and the plurality of monitoring well pipes are respectively inserted into an inner cavity of the outer pipe. The well building method comprises the steps of (1) surveying for drilling exploration; (2) drilling; (3) injecting clear water for mud displacement; (4) arranging an outer pipe centering guide; (5) filling; (6) washing the well; (7) putting the monitoring well pipes; (8) putting the monitoring well pipe I; (9) filling; (10) putting the monitoring well pipe II; (11) filling; (12) putting the monitoring well pipe III; (13) fixing the monitoring well pipes; (14) finishing the putting of the monitoring well pipes; (15) washing the well; (16) measuring the water level;and (17) installing a protective cover. The small-caliber shallow groundwater nested monitoring well has the beneficial effects that the construction cost is reduced, and the construction blank of the shallow groundwater nested monitoring well is filled.

The invention provides a black pig health-care feed using pine needles as a basal body, and relates to the technical field of cultivation of black pigs. The black pig health-care feed is prepared from the following raw materials: 30-50 parts of pine needles, 30-40 parts of alfalfa meal, 50-60 parts of boiled vegetable oil, 30-40 parts of wheat bran, 6-8 parts of zeolite powder, 20-30 parts of soybean meal, 15-25 parts of fish meal, 20-30 parts of corn, 10-20 parts of corn protein powder, 2-4 parts of vitamin E, 1-3 parts of vitamin C, 2-4 parts of high-quality butyric acid, 1-3 parts of lysine, 2-4 parts of methionine, 1-3 parts of threonine, 1-3 parts of arginine, 5-7 parts of cyrtomium rhizomes, 3-5 parts of radix astragali, 2-4 parts of fleeceflower roots, 2-4 parts of radix angelica sinensis, 2-4 parts of fortune eupatorium herbs, 1-3 parts of bighead atractylodes rhizomes, 2-4 parts of Chinese fevervine herbs, and 3-5 parts of complex carbohydrate. According to the prepared black pig feed disclosed by the invention, the raw materials are simple to select, low in cost, and easy to obtain, nutrient elements can be guaranteed to be provided for daily breeding of the black pigs, and besides, the black pig health-care feed has the efficacies of health care and body strengthening; Chinese patent medicines are added, so that medical functions of the feed are guaranteed, and the black pig health-care feed has the inventive performance of being medicinal and edible; the pine needles are used, so that the effects of increasing trace elements, and preventing epidemic disorders are achieved.

The invention discloses an automatic heating conical flask for chemical experiments. The automatic heating conical flask comprises a screw rod, telescopic rods and a bottom plate, wherein an electricheating wire switch is mounted at the bottom of the outer wall of one side of a main body through bolts; and a vibrating motor switch is mounted on the outer wall of the bottom of one side, away fromthe electric heating wire switch, of the main body. The screw rod is rotated by turning a handle so as to enable threaded sleeves to move on the screw rod; two threaded sleeves are provided, connecting rods welded to the lower surfaces of the threaded sleeves are connected with the telescopic rods, and the two threaded sleeves have different thread opening angles, so that when the two threaded sleeves move on the screw rod, the two threaded sleeves can draw close to the inner wall of the main body at the same time and also can move away from the inner wall of the main body at the same time; the distance between the two telescopic rods can be changed according to conical flasks with different volumes; through a vibrating motor, the conical flask placed on a vibrating table is vibrated, so that the effect of shaking in a vibrating manner while heating is achieved; the automatic heating conical flask provides convenience for the chemical experiments and is easy to be popularized and used.

The invention provides an automatic parking system. The automatic parking system comprises a power supply starting system, an electronic hand brake module and a transmission control module; the transmission control module comprises a starting/flameout signal receiving unit, an electronic hand brake state receiving unit and a gear position control unit; the starting/flameout signal receiving unit is used for receiving a flameout instruction signal of the power supply starting system; the electronic hand brake state receiving unit is used for receiving a pulling-up or releasing state signal of an electronic hand brake; the gear position control unit is used for setting the gear position to be in a parking state according to the flameout instruction of the power supply starting system and the pulling-up state signal of the electronic hand brake; and the gear position control unit is further used for setting the gear position to be in a parking state according to the flameout instruction of the power supply starting system and the releasing state signal of the electronic hand brake. According to the automatic parking system, by judging the state of the electronic hand brake, the functions of N-gear flameout and automatic entering of the P-gear are achieved.