149results about How to "Solve laboriously" patented technology

The invention relates to a granular whole grain flour. A production process is as below: screening the whole grains and accessories, removing impurities, cleaning, baking at low temperature, sterilizing, blending according to a formula and grinding; and granulating the ground and cooked whole grain flour according to a conventional food and condiment granulation process through a food granulator, and packing the granular whole grain flour respectively. The granular whole grain flour comprises the following components by weight percentage: 50-100% of cereals and 0-50% of an auxiliary material. The auxiliary material is a food material or a mixture of many kinds of raw materials, and the auxiliary material is added to regulate the taste and nutrition of the whole grain flour; the whole grain flour has the nutritional characteristics of whole grains, and is supplemented with the nutrition of fruits, vegetables, meat, eggs, seafood, edible mushroom and Chinese herbal medicines; therefore, the granular whole grain flour can reach dietetic invigoration effect, is easy to drink and nonstick, and simplifies the production process.

The invention relates to a double-cylinder hydraulic pin remover which belongs to the field of equipment for mine hydraulic supports, in particular to a device for pulling out a pin shaft for the mine hydraulic supports and large equipment, which comprises hydraulic jacks (5), a guide cylinder (11), a carrying and supporting base (9), a tension connecting rod (6), a guide ring (3), a bolt connector (7) and a tension connecting plate (4), wherein the carrying and supporting base (9) is arranged at the bottommost part, a connecting seat with the two hydraulic jacks and a passing-through hole when pulling out the pin shaft are arranged on the upper surface of the carrying and supporting base (9), a guide slot way and an operation hole for mounting the bolt connector are arranged on the upper surface of the guide cylinder, and the bolt connector can be connected with the pin shaft and the tension connecting rod together through the operation hole. The double-cylinder hydraulic pin remover has reasonable structure, convenient use, safety and reliability, and can integrate the functions of automation and large tension into a whole and solve the problems of time-consuming and effort-consuming properties, unsafety and the like in original manual hammering; furthermore, the device has beautiful and harmonic appearance and is safe and reliable.

Disclosed is an electric operating mechanism for outdoor AC high-voltage insulating switches, which effectively solves the problem of large force moment and long braking time on current manual operating mechanisms. The electric operating mechanism comprises a chest and a mechanical driving device, an electric control device and a manual-electric closedown device, which are arranged inside the chest. The technical proposal lies in that: driving teeth, a clutch internal tooth sliding sleeve and a duplicate gear sleeve, are arranged on a transmission shaft of the mechanical driving device, on which a worm wheel is fixed; the duplicate gear sleeve is meshed with a gearwheel on an output shaft; the peripheral retaining boss is wedged with a transmission fork which is driven by a crank shaft and is controlled by a hand shank. The hand shank is used to control the transmission fork to enable the clutch internal tooth sliding sleeve to disengage or mesh with the duplicate gear sleeve. The electric operating mechanism is reasonable in structure, flexible and convenient to operate manually with a speed equal to that when being operated electrically; the electric operating mechanism can close or open the brake quickly, thus remarkably prolonging the service life of the inductive contact and the sensing finger, and improving operational safety and stability.

The invention discloses a method for preparing bodied ferric sulfate, which prepares the bodied ferric sulfate by taking ferrous waste acid as the raw material and using the heat generated by the exothermic reaction of sulphuric acid when being dissolved in water to dissolve ferrous sulphate so as to save production consumption. By means of the mutual matching of devices such as a recycle pump, a pipeline ejector, an oxidation reaction kettle and the like, the method solves the problem of energy consumption in the existing production technology, which is caused by using a stirring device and inletting steam and achieves the purposes of saving energy, protecting environment and lowering expense.

The invention provides a method and a system for analyzing 18-lead dynamic electrocardiograms on the basis of Wilson lead. The method includes arranging 10 electrode slices at preset positions of the body surface of a tested person, acquiring electrocardiogram signals of the tested person by the aid of each electrode slice and processing the electrocardiogram signals to obtain corresponding electrocardiogram data; acquiring 12-lead electrocardiogram data of the tested person according to the electrocardiogram data of the tested person; computing X-axis, Y-axis and Z-axis data on the basis of Wilson lead systems according to the 12-lead electrocardiogram data of the tested person; deriving lead data for representing the left ventricle of the tested person on the basis of the Wilson lead systems and deriving lead data for representing the right ventricle of the tested person on the basis of the Wilson lead systems; generating the 18-lead electrocardiograms of the tested person. The method and the system have the advantages that 12-lead electrocardiograms can be recorded and synchronized by the aid of the improved Wilson lead systems, and the 18-lead electrocardiograms can be calculated from the 12-lead electrocardiograms.

The invention relates to an automobile network signal detection method. A detector is connected to an OBD diagnosis seat of an automobile. Firstly, the voltage of an automobile storage battery is detected;, when the voltage is normal, software communication between the CAN data and the mobile terminal can be realized in a wireless manner; whether the CAN data communication LED lamps RX and TX on the detector flicker or not is observed, if the CAN data communication LED lamps RX and TX flicker, it is indicated that CAN data communication is normal, fault codes of all ECUs of an automobile are read through wireless communication, the network fault of the automobile can be accurately detected and positioned, and the network fault reason on a positioning node can be judged through the detector; And after the cable fault is eliminated, the automobile ECU still cannot communicate with the network, and whether the CAN waveform transmitted and received by each ECU meets the standard or not isdetected through the detector. The cable fault problem is judged through flickering cooperation of the LED lamp, simplicity and clearness are achieved, a deep relevant professional basic theory does not need to be mastered, and the problems that diagnosis is time-consuming, labor-consuming and low in efficiency are solved.

The invention relates to the field of communication product testing, in particular to a method for testing maximum telnet user quantity allowed by a switch. The method for testing the maximum telnet user quantity is applied between a server terminal and a client terminal, and specifically comprises the steps that a preset condition is given, the preset condition comprises the maximum telnet user quantity allowed by the server terminal, and the server terminal is in socket connection with the client terminal according to the preset condition; the server terminal and the client terminal establish the socket connection with the quantity lower than or equal to the maximum telnet user quantity one by one through an automatic connecting module; when the connecting quantity which a socket needs to establish is larger than the maximum telnet user quantity, the connection establishment is automatically stopped. According to the testing method, the telnet connection establishment, internal storage checking and automation of a CPU occupancy rate are achieved, and the problems that a traditional method for testing the maximum telnet user quantity is time consuming, labor consuming and low in efficiency are solved.

A cooked multi-vitamin millet powder obtained through low-temperature baking comprises, by weight, 80-50% of millet and 50-20% of an auxiliary material, the auxiliary material is formed by a kind of a food raw material or multiple kinds of food raw materials. The production technology comprises: performing more than ten operation processes such as screening, impurity removing, cleaning, low-temperature baking, sterilization, crushing and grinding, packaging and the like on millet and the auxiliary material, so as to prepare the multi-vitamin millet powder. The multi-vitamin millet has the nutrition characteristics of millet, and also is increased in nutrition of edible and medicinal food materials, fish, meat, eggs and marine products. The low-temperature baking processing is capable of locking nutrition and does not lead to nutrition loss. By adding the auxiliary material for adjusting the taste and nutritional compositions of the multi-vitamin millet powder, the multi-vitamin millet with multiple tastes and a large amount of nutrients has the effect of dietetic invigoration, helps to solve the time-consuming and labor-consuming problems of traditional household cooking and eating of millet, and simplify the preparation process for eating and dietary therapy, and is green foodstuff without adding any additives.

The invention provides an 18-lead holographic dynamic and static electrocardiographic analysis method and system, comprising: placing 8 electrodes at preset positions on the body surface of a subject to collect electrocardiogram signals of the subject; based on Wilson lead system recordings I and II and X-axis and Z-axis data of Frank lead system, using I and II data and Y-axial data as basis; acquiring I, II, III, avR, avL and avF based on the Wilson lead system; acquiring V1-V6 lead data representative of the chest of the subject by using a cross section composed of X-Z axes; deriving V7-V9 lead data representative of the left ventricle of the subject by using Y-Z axes to form a side, and deriving to the front right, V3R-V5R lead data of the right ventricle of the subject by using V1 lead data as a basal point; generating 12 and 18 lead electrocardiograms of the subject. The invention implements the detection of 18-lead electrocardiograms based on the modified Wilson lead system and Frank orthogonal lead system.

The invention discloses an on-line detection device and method for heavy metals in fruits, and belongs to the technical field of spectral analysis. The device comprises a spectral measurement unit and a control unit, wherein the spectral measurement unit is electrically connected with the control unit; the spectral measurement unit comprises a laser induced breakdown spectral measurement unit and a data detection unit, and the laser induced breakdown spectral measurement unit is electrically connected with the data detection unit; the laser induced breakdown spectral measurement unit comprises a laser device for producing laser light and a focusing lens for enabling the laser light to be focused, and the focusing lens is positioned below the laser device; the data detection unit is used for collecting spectral signals and forming spectral data; and the control unit is used for calculating the contents of heavy metals in sample fruits according to the spectral data. The device disclosed by the invention can avoid measuring errors, has few requirements on the quantity of sample fruits, has development potential in the fields of metallurgy, food quality safety, environment monitoring and the like, and is of practical meaning in promoting the practice of the laser induced breakdown spectral technique.

The invention discloses a measuring method for calibration of north direction of a phased array antenna based on gyro orientation. The measuring method comprises the following steps of 1, selecting a ground point A around the phased array antenna, arranging a gyro total station at the point A, and measuring the azimuth alphaAO of a measuring line AO; 2, calculating to obtain the azimuth of a measuring line OA; 3, arranging a total station at a point O, enabling a front mirror of the total station to sight the ground point A; configuring a horizontal dial of the total station, and setting the reading of the horizontal dial of the total station as alphaAO; 4, rotating a sighting part of the total station, setting the reading of the horizontal dial along the sighting direction of the total station as 0 (degree)-00 (minute)-00 (second), and selecting any point N on a true north direction line as a calibration reference point; 5, arranging the total station at the point N, enabling the total station to sight a point O, horizontally rotating the phased array antenna by using the point O as the center of a circle, and positioning the main axis of the phased array antenna on a sight line direction, so as to complete the measuring on the calibration of the true north direction of the phased control antenna. The measuring method can effectively solve the problems of waste of time and labor and low calibration accuracy of the existing conventional calibration method.

A straight end steel bar cutting machine is characterized in that the machine not only has the common functions of ordinary steel bar cutting machines, but also has a positioning top pressure block on the other side of its incision, which can automatically cut off the steel bar at the moment before cutting. Hold the steel bar to be cut and form a 90-degree angle with the blade. The ends of the steel bars cut by this machine are straight and have no slope and horseshoe shape. Between the bottom blade in the cutout and the positioning top pressure block, a height adjustment pad is set. The A side of the machine is equipped with a fixed-length channel steel, and the B side is equipped with a roller-type horse stool rack. There are two main functions of this machine: it can not only use the arc-shaped incision steel bar cutting machine blade, and the cut steel bar can be directly used for straight thread threading; but also can use the ordinary steel bar cutting machine blade for ordinary cutting. There are two ways of operation: continuous cutting and pedal cutting. It has the advantages of high efficiency and low consumption, and solves the problems in the straight thread connection process for many years.

The invention provides a cow weight prediction system, which comprises the following steps of 1, obtaining three-dimensional world coordinates of scenery points through a multi-view stereoscopic vision distance measurement method; 2, calibrating a camera; establishing a relationship between a camera image pixel position and a scene point, obtaining a relationship between the three-dimensional coordinate information of the space object and the two-dimensional information of the acquired image, and further recovering information such as depth and the like missing due to acquisition by utilizingthe relationship; 3, matching feature points; carrying out similarity measurement on the SIFT feature vectors of the two images to be matched, and calculating nearest matching of each feature point ofone image in the feature point set of the other matched image; and 4, determining the body size of the dairy cow according to the obtained feature points, and obtaining a dairy cow weight predictionresult according to a preset prediction model.

The present invention provides pure nature low temperature baked cooked black rice flour and a production method thereof, wherein the cooked black rice flour produced through the production process can maintain the original aroma of black rice, has characteristics of low water content, complete sterilization and long shelf life, does not contain any additives, and is a green health food. The production method comprises: removing impurities and peels from black rice rough rice, washing the produced black rice, processing the obtained black rice into cooked black rice with low temperature baking equipment, carrying out a sterilization treatment on the cooked black rice, grinding into cooked black rice flour with a crushing machine, and carrying out packaging at bags according to requirements. According to the present invention, the processed cooked black rice flour maintains the nutrients and the original flavor of the black rice, fat in the black rice is baked to passivate enzyme so as to lock nutrition and not to cause nutrient loss, the particles are fine, the rehydration is good, and the obtained black rice flour can be directly drunk through infusion into the black rice juice with boiling water, and can further be used as the preparation material of porridge rice, food, milks, granules and the like. In addition, the technology can further adopt other rough rice of polished long-grained nonglutinous rice, japonica rice and glutinous rice as raw materials to process into different varieties of pure nature low temperature baked cooked rice powders.

The invention discloses an automatic steering wheel control device, and belongs to the technical field of engineering machinery. The automatic steering wheel control device comprises an intermediate shaft (1), a motor (2), a first transmission mechanism (3), a second transmission mechanism (4) and an electromagnetic clutch (5). The intermediate shaft (1) is arranged on a side of a steering wheel shaft (9), the motor (2) is positioned on a side of the intermediate shaft (1), the intermediate shaft (1) is connected with the motor (2) by the first transmission mechanism (3) and is connected withthe steering wheel shaft (9) by the second transmission mechanism (4), and the first transmission mechanism (3) is connected with the intermediate shaft (1) by the electromagnetic clutch (5); the intermediate shaft (1) can be driven by the motor (2) via the first transmission mechanism (3) and the electromagnetic clutch (5) to rotate, and the steering wheel shaft (9) can be driven by the intermediate shaft (1) via the second transmission mechanism (4) to rotate. The automatic steering wheel control device has the advantages that the transmission ratio can be increased by the automatic steeringwheel control device, high torque can be outputted, automatic steering wheel control and manual control can be flexibly switched over without mutual interference, the automatic steering wheel controldevice is compact in structure, only small mounting spaces are required, and the like.

The invention relates to a micro-sprinkling belt spreading and rolling dual-purpose machine. The micro-sprinkling belt spreading and rolling dual-purpose machine comprises a rack, a steering handle, a tape feed roller, a crawler wheel, a press wheel, a soil scraper, a transmission device and a guide wheel, wherein the rack consists of an upper beam, a long arm and two forked structures which are connected into an integer from top to bottom in sequence; the forked structures are respectively fixed at front and rear sides of the long arm through a lower beam vertical to the long arm; the two forked structures are respectively used for fixing the crawler wheel and the press wheel; the steering handle is T-shaped; the lower end of the steering handle is connected on the upper beam; the tape feed roller is fixed on the long arm between the lower beam and the upper beam through a wheel shaft; the crawler wheel and the press wheel are mounted on the rack through the wheel shaft; the soil scraper plate is movably connected to the front end of the press wheel through a connecting rod; the guide wheel is arranged behind the rack. The micro-sprinkling belt spreading and rolling dual-purpose machine can realize multiple purposes, is simple in structure, strong in function and good in stability, not only can be used for spreading micro-sprinkling belt, but also can be used for rolling the micro-sprinkling belt, so that the abrasion to the micro-sprinkling belt is reduced, and the service life of the micro-sprinkling belt is prolonged.

The invention discloses an automatic staging system based on mammary gland lymph node panoramic image calculation, and belongs to the technical field of medical image information processing. The method comprises: establishing two positive and negative samples required by the deep convolutional network according to the marked lymph node cancer metastasis region, training the deep convolutional network to obtain a model required by classification of the positive and negative samples, sending each block in the image tissue region into the model to obtain the probability of cancer metastasis at the position of the block, and establishing a probability calorific value graph; Secondly, extracting pathological omics characteristics according to a segmentation area of lymph node cancer metastasis,training a random forest classifier, constructing an automatic classification model of lymph node metastasis states, and constructing a staging system by integrating multiple lymph node cancer metastasis states of the same patient. The problems of time consumption, labor consumption, high error and the like when breast cancer staging is judged by pathology experts according to experience can be effectively solved.

The invention discloses a hydraulic automatic pin pulling device. The hydraulic automatic pin pulling device comprises a support cylinder body, a pin pulling cylinder body, a support cylinder piston rod, a pin pulling cylinder piston rod and a bolt connector, wherein the pin pulling cylinder body is arranged inside the support cylinder body; the support cylinder body and the pin pulling cylinder body are in concentric nesting assembling; the support cylinder piston rod is of a closed type hollow shaft design; the pin pulling cylinder piston rod is arranged inside the support cylinder piston rod; the support cylinder piston rod and the pin pulling cylinder piston rod are in concentric nesting assembling; the top of the pin pulling cylinder piston rod is provided with the bolt connector which is linked with a pin shaft; the hydraulic automatic pin pulling device is arranged on a bearing support seat; the height of the bearing support seat is adjustable; and the hydraulic automatic pin pulling device is connected with a hydraulic station which is provided with a hydraulic control system. The hydraulic automatic pin pulling device has a reasonable structure and large tensioning force, is convenient to use, and is safe and reliable, thus the troublesome, time-consuming, labor-consuming and unsafe problems when a worker performs hammering by manual work originally are solved.

The invention relates to a rubber pipe crimping machine set to have an automatically pipe joint assembling function and an operation method. A box which is internally provided with an electrical control system and a gas circuit system and is of a frame structure, a turntable is arranged at the left side of the surface of the box, rubber pipe fixing clamps are arranged at the two sides of the turntable, a rubber pipe feeding device is arranged above the turntable, and a rubber pipe installing guide frame is arranged at the right side of the turntable; a center control box is arranged at the right side of the surface of the box, an emergency stop switch is arranged on the center control box, and a rubber pipe crimping machine body is arranged on the upper portion of the center control box; an automatic control turntable control system is arranged in the center control box. The problem of low efficiency, labor wasting and poor safety when a joint is installed on a rubber pipe crimping operation site traditionally is solved, a rubber pipe can be clamped and crimped through an electrical and automatic rotating and clamping mechanical device, so that rubber pipe and the joint are connected, assembled and crimped efficiently in a labor-saving mode, traditional two-person operation is changed into single-person operation, the process of installing the joint and the process of crimping are conducted at the same time, customer operation cost is reduced, and equipment and staff safety is ensured.

The invention relates to multivitamin vegetable powder. The multivitamin vegetable powder is prepared from the following raw materials in percentage by weight: 50-100% of a vegetable and 0-50% of an auxiliary material, wherein the vegetable refers to one type of vegetable or the combination of various vegetables, and the auxiliary material refers to one type of food raw material or the combination of various food raw materials. The taste and nutrition of the multivitamin vegetable powder are adjusted by adding the vegetable and the auxiliary material, and the type and amount of the vegetable and the auxiliary material are changed and adjusted according to different standard requirements on the taste and nutrition, so that the multivitamin vegetable powder has more tastes and nutrition, a dependant can achieve a dietetic invigoration effect, and the multivitamin vegetable powder is a green food without any additive. A manufacturing process of the multifunctional vegetable powder comprises more than 10 process steps of screening the vegetable and the auxiliary material, removing impurities, cleaning, moistening, slicing, baking at a low temperature, sterilizing, crushing, grinding, packaging and the like, wherein the temperature during vacuum baking is 50-100 DEG C, and the baking time is 100-500 minutes; and the particle size of the multivitamin vegetable powder is 60-1000 meshes, and the water content is less than 8%.

The invention provides a multi-ingredient soybean powder. A production process of the multi-ingredient soybean powder includes following steps: sieving soybeans and an auxiliary material, removing impurities from the soybeans and the auxiliary material, washing the soybeans and the auxiliary material, performing a low-temperature baking process, performing sterilization, combining a formula, performing a crushing and grinding process and performing a respectively packaging process. The multi-ingredient soybean powder consists of, by weight, 50-100% of the soybeans and 0-50% of the auxiliary material. The auxiliary material is composed of a raw food material or a plurality of raw materials in a mixing manner. Through addition of the auxiliary material, taste and nutrition of the multi-ingredient soybean powder are adjusted. According to requirements of the taste and the nutrition, amounts and types of the auxiliary material can be changed. The multi-ingredient soybean powder has characteristics of the soybeans and has nutrients from cereals and grains, fruits and vegetables, meat, eggs, seafoods, edible mushrooms and traditional Chinese medicines. By means of the low-temperature-baking cooking process, nutrients can be kept and are free from losing. The multi-ingredient soybean powder is very easy to dissolve, can be eaten in a manner of being dissolved in boil water to obtain multi-ingredient soybean milk and soybean cereals and grains porridge, of can be drunk in a manner of being added to milk and beverage. The multi-ingredient soybean powder has a dietetic supplement effect on human body.

The embodiment of the invention discloses an agricultural pest quantity statistical analysis method, device, equipment and system. The method comprises the steps that a pest image is received, and image boundary detection is performed on the pest image to recognize and identify positions with obvious brightness changes in the pest image; region segmentation is performed on the pest image accordingto a boundary identifier to obtain a segmentation image; a binary image is obtained according to the segmentation image, wherein the binary image comprises at least one first connection region generated according to segmentation regions; according to the pixel area of each first connection region and a preset pest pixel area, a second connection region corresponding to pests in each first connection region is acquired; and overlapping pest marking is performed on the second connection regions, and the quantity of the pests contained in the pest image is calculated according to the number of overlapping pests marked in the second connection regions. Through the agricultural pest quantity statistical analysis method, device, equipment and system, the problem that time and labor are wasted in pest recognition and quantity data acquisition is solved, and a time period with a large quantity of pests can be specifically known.

The invention discloses a ground surface monitoring site suitable for loess geological tunnels, a setting device of the ground surface monitoring site, and a working method of the setting device. The setting device realizes the effective setting of the monitoring site in the soil; after being buried, the monitoring site is filled with concrete, so that the concrete is conveniently fixed and molded; the setting device meets the burying specification of the ground surface monitoring site for the tunnels, and enables the shape and size of the concrete to meet the requirements of the specification; a tapered drill bit is adopted at the bottom end, so that the monitoring site can be conveniently rammed into the soil, so that the working efficiency of ground surface monitoring site setting is increased. The ground surface monitoring site is characterized by comprising a buried rod; the bottom end of the buried rod is connected with the tapered drill; the buried rod is fixedly connected with a concrete filled tank, an opening is formed in the middle of the concrete filled tank, and the buried rod passes through the opening; a cross wire is arranged at the top end of the buried rod.

The invention provides a handheld electric massage bathing machine, consisting of a retractable handle, a frame and a massage (bathing) disc, a frame, a reversible switch and an adjustable resistor arranged inside, an electromotor and a reducer. The front end is provided with a bevel gear shaft and the bevel gear shaft is connected with the massage (bathing) disc. The machine has the advantages of simple structure, delicate design, easy production, time and energy saving, convenient use, safety and reliability, light weight and high power, is a novel handheld massage bathing machine and an ideal household article.

This invention relates to belt weigh online real object correction device to process the weighting in normal work status, which comprises device rack, standard measurement rack, standard weight codes ring, cleaner, standard weight codes ring elevation control structure, signal integration, device display and selection switch.

The invention discloses a digital camera CCD / CMOS multifunctional cleaner. The digital camera CCD / CMOS multifunctional cleaner comprises a shell, an air blower, a power source, LED lighting lamps and a cleaning bar; the shell comprises an upper shell body and a lower shell body, the air blower is arranged in the shell, and is connected with the power source through a switch, an air outlet communicated with the air blower is formed in the position, located at the tail end of the cleaning bar, of the shell, and a power source cover is arranged at the tail end of the shell; an air inlet communicated with the air blower is formed in the shell, and the two LED lighting lamps are arranged at the front end of the upper shell body and the front end of the lower shell body; a connecting seat is arranged in the front end of the shell, and the cleaning bar is fixed to the connecting seat; and the multifunctional cleaner is used for independently completing cleaning work originally capable of being completed through multiple tools, the working difficulty of CCD / CMOS cleaning is reduced, the cleaning effect is improved, and safety is improved.

The invention relates to the field of teaching equipment, in particular relates to a liftable-desktop teaching desk with a bookshelf, and aims to provide a teaching desk of which the desktop can rise up and go down and which is provided with the bookshelf. The liftable-desktop teaching desk with the bookshelf comprises a desk body and a bench, wherein a folding desktop is arranged on the surface of the bench, and comprises a first folding desktop and a second folding desktop; a bookshelf slot is formed in the front end of the surface of the bench, and is internally connected with the bookshelf in a rotatable manner; the bookshelf comprises a supporting rod, a connection rod and a book end which are connected in sequence through hinges; the supporting rod is connected to the bookshelf slot through a hinge; the book end comprises a book end main body, a first L-shaped frame, a second L-shaped frame, a first clamp body, a second clamp body and a book support part. The invention is suitable for the liftable-desktop teaching desk with the bookshelf.

The invention provides a pure-natural low-temperature baking-cooked millet flour and a preparation method thereof. The cooked millet flour prepared through the preparation method can keep original fragrance of millet, is low in moisture content, is sterilized thoroughly, is long in shelf life, and is a pure-natural green health food without any additive. The method includes steps of removing impurities from the millet, washing the millet, cooking the millet into cooked millet through a low-temperature baking device, sterilizing the cooked millet, grinding the sterilized cooked millet into cooked millet flour through a grinding machine and packaging the cooked millet flour in bags as required. The cooked millet flour processed through the method keeps nutrients and the original fragrance of the millet. An enzyme in fat in the millet is passivated by baking the millet so that the nutrients in the cooked millet flour are kept and the nutrients are free from losing. Particles of the cooked millet flour are fine and smooth and the cooked millet flour is better in rehydration property, can be infused directly into a whole millet juice with boiled water for drinking and can be used as an ingredient in porridge, rice, food, beverage and the like.