103results about How to "Not affected by environmental factors" patented technology

The invention provides a water level monitoring method and device, an electronic device and a storage medium. The method comprises the following steps: inputting a first image including a water levelgauge into a first convolution neural network model trained in advance to determine first position information of a water level gauge prediction frame in the first image; In accordance with that firstlocation information, extracting a second image corresponding to the water level gauge from the first image, inputting the second image into a pre-trained second convolution neural network model, determining second position information of a digital prediction box on the water level gauge in the second image, and identifying digits in each digital prediction box according to the second position information; according to the recognized number, the target number corresponding to the water surface is determined, and the water level height is determined according to the target number and the colorof the target number. Because the water level monitoring does not need tedious configuration and is not affected by environmental factors, the adaptability and accuracy of water level monitoring canbe improved.

The invention relates to a porcelain full-body archaized brick and a preparation method thereof. The preparation method of the porcelain full-body archaized brick comprises the following steps that (1), color blending is conducted on green body powder, and the green body powder is prepared into at least two kinds of colored powder; (2), the at least two kinds of colored powder is subjected to material distribution according to a preset textured pattern so that the full-body is provided with each colored powder, pressing forming is conducted, and a green body is obtained; (3), ink jetting and positioning printing are conducted on the green body according to the preset pattern; (4), an enamel layer is applied to the surface of the green body; and (5), the whole green body is fired to obtainthe porcelain full-body archaized brick. Through combination of green body material distribution and ink jetting positioning printing, a surface glaze layer is removed, the forming effect of the porcelain full-body archaized brick combines a stereo effect of the green body texture and the rich colors of the ink jetting printing, and a ceramic product which is equal inside and outside, high in stereoscopic sensation and rich in layer is formed.

The present invention relates to an ink capable of producing corrugated glaze effect. The ink comprises a hydrophobic compound of a low molecular organic fluoride accounting for 0.05% -5.0 wt.% of the ink. The ink of the invention has hydrophobic effect, so if the ink is sprayed onto a ceramic green body first, even the slurry using water as a solvent ink is uniformly sprayed on the ink layer, slurry on the will be peeled off due to the hydrophobic property of the ink layer and recesses are formed.

The invention discloses an intelligent garbage classifying box. A box body is divided into a plurality of identical garbage classifying collecting and weighing areas. Each collecting and weighing area comprises a pressing type weighing scale, a garbage collecting opening, an intelligent sliding door and a transmission device. A two-dimensional code reader and a display screen are arranged on the outer portion of the box body. A master controller and a position sensor are arranged in the box body. A garbage can is placed on each pressing type weighing scale in advance. The two-dimensional code reader reads terminal user information and transmits the terminal user information to the master controller, and an instruction is given to control the transmission devices to drive the intelligent sliding doors to move and open the garbage collecting openings. Garbage is thrown into the garbage cans to be weighed, and weighing information is transmitted to the master controller to be stored and output to be displayed on the display screen. The overflowing degree of the garbage in the garbage cans is monitored through the position sensor, and alarming information is provided for the master controller. The collecting openings are intelligently opened through the two-dimensional code recognition function, intelligent weighing and data collection are achieved, garbage throwing trace management is achieved, and the phenomenon of disorderly throwing is completely eradicated from the source.

The invention discloses an InDel molecular marker KB2 co-separated with a brassica rapa clubroot resistance gene Crrla, a primer and application thereof. The invention further provides a method for identifying or auxiliarily identifying whether a brassica rapa contains the clubroot resistance gene Crrla or not, and whether the brassica rapa is capable of resisting a clubroot disease or not. The method comprises the steps that a to-be-detected brassica rapa genome serves as a template, the primer provided by the invention is subjected to PCR amplification, and whether the to-be-detected brassica rapa contains the clubroot resistance gene Crrla or not and whether the brassica rapa can be capable of resisting the clubroot disease or not are judged according to the size of an amplification product. The molecular marker is utilized to conduct auxiliary selection on the clubroot resistance brassica rapa, the accuracy is high, the cost is low, and both time and labor are saved.

A circuit for testing the thermosensitive resistor having negative temp. coefficient is composed of a constant-voltage source, a bridge consisting of standard NTC resistor, R, NTC resistor Rx to be tested and potentiometer RV1, voltage follower V1A connected to the said R, Rx and Rv1 all of which are further grounded, differential amplifier U2 connected to U1A, operating amplifier (U3A and U3B), and dual-limiting voltage detecting circuit. Its advantages are high precision, stability and integrated level, and low cost.

The invention discloses a dry granular glaze for a soft polished brick and an application of the dry granular glaze. The dry granular glaze for the soft polished brick comprises mixed dry granules composed of 15%-35% of low-temperature dry granules, 40%-70% of medium-temperature dry granules and 15%-35% of high-temperature dry granules.

The invention belongs to the power attachment facility field and relates to an installation tool of a pole bird-preventing device. The installation tool is characterized in that the installation tool includes a clamping device, an adjusting device and a fixing device; the clamping device includes a clamping rod and an adjusting rod; one side of the upper end of the adjusting rod is provided with a flange; a spring stopping block, a gear and a flange bearing are arranged in the clamping rod; the gear is provided with a zipper; a spring and a pull bar are arranged in a telescopic rod; the exterior of the telescopic rod is provided with a driving arm; the clamping rod is provided with a driven arm; the adjusting rod is provided with a pulley and a screw connected with the pull bar; the adjusting device comprises an adjusting plate; the adjusting plate is provided with a floating frame, a upper fixed pulley and a lower fixed pulley; one side of the floating frame is provided with a pressure spring and a cam; the floating frame is provided with a driving wheel; the fixing device comprises an adjusting shaft, a gear box and a mounting frame; a gear and a rack which are engaged with each other are arranged in the gear box; and the mounting frame is provided with a binding belt. The installation tool of the invention enables live-line working and can be operated by just one construction person. The installation tool can be suitable for the installation of a variety of line towers and can be conveniently popularized.

The invention discloses a laser standard scribing method for a low-speed diesel engine frame for a ship. An upper plane, a middle plane and a lower plane are arranged out of the frame; and multiple frontal guide boards symmetrically and uniformly distributed and side guide boards perpendicular to the frontal guide boards are longitudinally arranged in the frame. The method is characterized in that a laser ray is set as a measurement reference line; and an upper plane processing line, a middle plane processing line, a lower plane processing line and a longitudinal center line and a transverse center line, serving as processing positioning reference lines, of the frame are once scribed in the frontal positions of the frame to guarantee the uniformity of processing allowances of the upper plane, the middle plane, the lower plane, the frontal guide boards and the side guide boards. The method achieves the effects of automatic alignment of the reference lines, low labor intensity, high measurement precision, high working efficiency and low potential safety hazard, realizes once completion of allowance detection and scribing of such processing parts as the upper, middle and lower planes, the frontal guide boards and the side guide boards of the frame in the frontal positions of the frame, and is suitable for the scribing operation of large diesel engine frames and large parts.

The invention relates to a method for preparing inkjet-penetrated travertine polished tiles. The method comprises the following steps: (1) carrying out secondary material distribution on a bedding material and a facing material, and then, carrying out press-forming, so as to obtain unburnt tiles, wherein the facing material is mixed with a multicolored pore former, and the multicolored pore former is subjected to material distribution according to pattern grains; (2) drying the unburnt tiles obtained in the step (1), so as to remove pores formed by the pore former; (3) carrying out inkjet penetration on unburnt tiles obtained in the step (2); and (4) carrying out burning and polishing on unburnt tiles obtained in the step (3). According to the method, through carrying out secondary material distribution and distributing the multicolored pore former on surfaces according to certain grains, rich-hierarchy pores are formed in surfaces according to the pattern grains, so that the inkjet-penetrated travertine polished tiles are closer to natural stone and also have stereoscopic-impression effect.

The invention discloses a removable off-grid vehicle-mounted type or pull type photovoltaic power generation power supply system. The removable off-grid vehicle-mounted type or pull type photovoltaic power generation power supply system comprises a box body, slide rails and a lifting tractor, wherein the slide rails comprise a group of top slide rails, a plurality of groups of middle slide rails and a group of bottom slide rails which are fixedly connected in sequence; light photovoltaic modules are fixed on the middle slide rails and the bottom slide rails respectively; the top slide rails are fixed to the inner side of the top surface of the box body; the plurality of middle slide rails are fixed in sequence, and each group of slide rails is positioned below the previous group of slide rails and can slide relative to the previous group of slide rails; and the bottom slide rails are fixed on the lifting tractor. The system can work for power generation and storage in any region with sunshine according to requirements, and is not influenced by environmental factors, so that the supply of electricity is carried out directly according to the requirements. The system solves the disadvantage that a traditional fixed photovoltaic system is immovable and inconvenient to use, and is wider in application plane.

The invention provides a method for preparing a microporous membrane for transmittance analysis, comprising the following steps: (1) dissolving polyvinyl formal in a chloroformic solution to obtain a polyvinyl formal solution with the concentration of 0.1-0.3wt%; (2) adding a surface active agent which accounts for 1-3% of the total solution volume, and adding a pore forming agent under stirring; (3) soaking a glass slide into the polyvinyl formal solution prepared in the step 2, taking out the soaked glass slide, soaking the glass slide in an organic solvent again after the surface of the glass slide is dried, and then forming controllable pores with even size and distribution on the surface of a polyvinyl formal membrane; (4) stretching the polyvinyl formal membrane on a deionized water surface, laying a metal grid on the polyvinyl formal membrane, laying filter paper on the metal grid, and lifting the water-containing surface of the filter paper and drying after the filter paper is soaked completely to obtain a grid, wherein a layer of porous polyvinyl formal membrane is adhered to the surface of the grid; and (5) depositing a layer of carbon on the surface of the polyvinyl formal membrane.

The invention discloses a method and a device for evaluating repair performance of a cement-based self-repair material. The method comprises the following steps: applying pressure to a cement-based self-repair material sample, synchronously performing dynamic monitoring on change of crack width until produced cracks reach set width, and maintaining constant application pressure; curing the to-be-tested cement-based self-repair material sample, performing dynamic monitoring on the change of crack width synchronously until crack self-repair reaches a stable state, and finally, analyzing and evaluating data obtained by dynamic monitoring. Stress-strain change of the cracks on the surface of the cement-based sample can be observed in real time, the stress-strain change process of the cement-based material in the repair process can be visually reflected, the change process of the cracks when the cracks grow with age can also be observed in real time, and self-repair performance of the cement-based material can be evaluated by observing the dynamic change of the cracks.

The present invention discloses one kind of damping electric hammer handle. Between the electric hammer casing and each of two C-shaped electric hammer handle rods, one repulsion type magnetic connecting spring comprising one pair of permanent magnets is set, and one screw penetrating the guide slot in the electric hammer casing is fixed to the rod, with the screw and the guide slot forming one slide fitting structure. The repulsion type magnetic connecting spring is connected to the tail of the electric hammer casing to reduce wear, friction, vibration and noise. The present invention has simple structure, convenient use and no influence of environment factor.

The invention relates to an ammonia nitrogen stripping agent and method for treating high-concentration ammonia nitrogen wastewater, belonging to the technical field of sewage treatment. The composite denitrifier is composed of 53-86 wt% of nanoparticle and 14-47 wt% of organic alcohol. The prepared composite denitrifier is added into wastewater by ultrasonic air stripping according to the ratio of 0.11-0.19 g/L to regulate the pH value and gas liquid ratio, wherein the ultrasonic air stripping is carried out at normal temperature (25 DEG C). The invention overcomes the defects of low air stripping efficiency, long time, high temperature requirement, high operating cost and the like in the traditional air stripping method, only needs slight composite denitrifier, and has the advantages of low cost, low addition amount, easy acquisition and simple denitrification method.

The invention discloses a supporting insulator type high voltage induction sensor. The supporting insulator type high voltage induction sensor is fixed in high-voltage electrical equipment, and comprises an insulator, an upper flange is arranged at the upper end of the insulator, a lower flange is arranged at the lower end of the insulator, a printed circuit board is arranged in the insulator, a shielding cover is arranged on the face, opposite to the lower flange, of the printed circuit board, and the printed circuit board and the shielding cover are fixed with the lower flange through a connecting piece. The other face of the printed circuit board is opposite to a high-voltage electrified body, and a signal line for outputting voltage signals is further arranged on the other face of the printed circuit board. Due to the fact that the printed circuit board is adopted to replace two pieces of existing copper foil to induct electric field signals, industrial production of the sensor can be achieved, and the production efficiency of the sensor is greatly improved. Meanwhile, due to the fact that the high-voltage electrified body can be fixed to the upper flange in the insulator, the high-voltage electrified body can be fixed conveniently, the distance between the high-voltage electrified body and the printed circuit board is fixed, the electric field signals in the high-voltage electrified body can be detected accurately and reliably, and wrong instructions and misoperations can be avoided.

The invention discloses a ceramic plate with a colorful flow cloud surface decoration effect and a preparation method of the ceramic plate. The preparation method comprises the following steps: carrying out compression molding on a ceramic base material to obtain a green body of the ceramic plate; applying ground glaze on the surface of the green body to cover the ground color and flaws of the green body; applying cover glaze to the surface of the green body after the ground glaze is applied, wherein 0.2-0.7 wt% of color development metal oxide is introduced into the cover glaze so as to enable the color to be bright; carrying out roller printing on the surface of the green body after the overglaze is applied to form a flow cloud effect; drying the green body subjected to roller printing, and performing sintering in a kiln. According to the invention, the pattern with the cloud effect is printed on the surface of the cover glaze through roller printing, and forms a distinct contrast with the color of the cover glaze, so that the effect of distinct vision can be better formed.

The invention discloses an expanded pipeline diameter and roundness detection device based on distributed optical fiber sensing. The expanded pipeline diameter and roundness detection device comprises a rack, a lifting base installed at the bottom of the rack, a detection device installed in the rack and a detected pipeline arranged in the rack. The detection device comprises a driving screw rod module mechanism, a driven screw rod module mechanism, a transmission mechanism, a first optical fiber line transmit-receive mechanism and a second optical fiber line transmit-receive mechanism. The driving screw rod module mechanism and the driven screw rod module mechanism are respectively mounted at the top and the bottom of the rack; the transmission mechanism is in transmission connection with the driving lead screw module mechanism and the driven lead screw module mechanism. According to the invention, the real-time measurement of the diameter and the roundness in the pipeline expanding process is realized, and the device is suitable for expanding pipelines with different specifications and diameters, has the characteristics of high efficiency, high precision, no need of manpower and wide application range, and is not influenced by environmental factors.