136results about How to "Widely applicable" patented technology

An independent pixel output line (14) is provided for each of two-dimensionally arranged pixels (10) within a pixel area (2a). A plurality of memory sections are connected to each pixel output line (14). In a continuous reading mode, photocharge storage is simultaneously performed at all the pixels, and signals are collectively transferred from the pixels (10) through the pixel output lines (14) to the memory sections, after which the signals held in the memory sections are sequentially read and outputted. In a burst reading mode, the operations of simultaneously storing photocharges at all the pixels and collectively transferring signals from each pixel (10) through the pixel output line (14) to the memory sections are sequentially performed for each of the memory sections to hold signals corresponding to a plurality of frames. When a imaging halt command is given, the holding of new signals is halted, and a plurality of frames of image signals held in the memory sections at that point in time are sequentially read and outputted. Thus, both an ultrahigh-speed imaging operation with a limitation on the number of frames and an imaging mode that is rather slow but has no limitation on the number of frames can be performed.

The invention relates to a restoration method for a damaged ecosystem in a steep-slope area in a water-level-fluctuating zone of a reservoir. The method comprises the following steps:when the impounded water level is at the lowest point, cleaning the upstream slope in the water-level-fluctuating zone, and manually tamping; digging planting holes at the top of the slope, and planting Chinese red pines and the like to form a multifunctional protective forest belt; digging planting grooves and planting holes within the range of the water-level-fluctuating zone, laying jute geotextile, planting vetiver within the range with the water-level-fluctuating depth of 2m to form a hedgerow; and mixedly planting vetiver and wire grass within the range with the water-level-fluctuating depth of 2-10m to form a combined vegetation slope restoration belt. The protective forest belt, the hedgerow and the combined vegetation slope restoration belt form a three-dimensional restoration space together, thereby ensuring that plants can take roots and restore in the steep-slope area in the water-level-fluctuating zone. By restoring the vegetation in large area, the invention effectively reduces the overland flow and the soil erosion, and improves the fertility and the properties of the soil, thereby restoring the damaged ecosystem. The invention has the advantages of convenient construction and less investment, can not be easily damaged by water, and is applicable to the water-level-fluctuating zone of a reservoir with large water-level-fluctuating range and precipitous topography.

The invention discloses a safety seat of an automobile for children. The safety seat of the automobile for children comprises a pedestal and a seat body which is connected on the pedestal and is supported by the pedestal, wherein the seat body is rotary and is capable of moving forward and backward; a pedestal bracket and a sliding block are mounted in the pedestal, the pedestal bracket is provided with a chute which is oblique in the horizontal direction and is used for regulating the oblique angle of the seat body, and the sliding block is capable of sliding along the horizontal direction of the chute; the seat body is rotationally connected on the sliding block; a connecting piece which can be locked with the sliding block in fit manner is respectively mounted under the front ends and rear ends of the seat body; when the seat body is mounted forwardly, the connecting piece under the rear end of the seat body is in fit lock connection with the sliding block; when the seat body is mounted reversely, the connecting piece under the front end of the seat body is in fit lock connection with the sliding block. Compared with the existing technology, by means of the safety seat of the automobile for children, the seat body can be mounted and locked in both forward direction and reverse direction, the oblique angle can be regulated in both forward direction and reverse direction, so that the safety seat is very convenient to use.

The invention discloses a device for simulating complex stratified flowing water bodies and a simulation method thereof. The device comprises multiple circulating water channels and multiple flow-rate closed loop control systems, wherein the multiple circulating water channels include a square water channel, one inner side face of the square water channel is provided with multiple water inlet module sets, and a side face (opposite to the water inlet module sets) in the square water channel is provided with multiple water outlet module sets; and the multiple flow-rate closed loop control systems comprise a water inlet module flow-rate control system for controlling water inlet of the water inlet module sets and a water outlet module flow-rate control system for controlling water outlet of the water outlet module sets, water in a water storage pool, after sequentially flowing through a water pump and the water inlet module flow-rate control system, flows into the water inlet module sets, and water discharged from the water outlet module sets, after flowing through the water outlet module flow-rate control system and a vacuum pump, flows into the water storage pool. According to the invention, various complex water flow forms can be constructed in a same water channel; and the device and method disclosed by the invention have the advantages of strong adaptability, good reproducibility, high similarity of reconstructed flow fields, simple control method, and the like.

The invention relates to a method for determining a reasonable range of support pressure on a construction excavation face of a slurry shield tunnel. A method with combination of experimental testing, analog computation of numerical values and theoretical judgment is adopted; and the method disclosed by the invention comprises the following steps of sampling a field tunnel construction soil body, testing the performances of the soil body, establishing an analytical model of the construction excavation face of the slurry shield tunnel, which is in line with field construction conditions according to experimental data and specific actual situations of the tunnel, performing computation, judging the destruction situation of a soil body unit in front of the excavation face by determining lateral soil pressure of an excavation stratum of a tunnel construction section, central balance pressure of the excavation face and main stress of the soil body in front of the excavation face and combining with a molar-coulomb failure criterion of the soil body and finally determining the reasonable range of the support pressure on the construction excavation face of the slurry shield tunnel. According to the method disclosed by the invention, the reasonable range of the support pressure on the excavation face can be analyzed and determined in a real-time manner according to different construction conditions and states while the construction of the tunnel is promoted, and the method further has the characteristics of a wide range of applications, high reliability and convenience in application.

The invention relates to the field of bioengineering and aims to provide a method for detecting biomolecules based on label-free fluorochrome and nucleic acid aptamers. The method comprises the following steps: the nucleic acid aptamers are mixed with to-be-detected biomolecules, oligonucleotide chains complementary with the nucleic acid aptamers are added, the nucleic acid aptamers and the to-be-detected biomolecules are subjected to specific binding, redundant nucleic acid aptamers not subjected to specific binding are hybridized with the complementary oligonucleotide chains to generate double-stranded DNAs, the double-stranded DNAs are bonded with the label-free fluorochrome Pico Green to release fluorescence, when the to-be-detected biomolecules with different concentrations are bonded with the nucleic acid aptamers with a fixed concentration, the fluorescence strengths in a reaction solution are different, and rapid and quantitative detection on the biomolecules can be realized through detection of the fluorescence strengths. According to the invention, the detection time is shortened to be 25-40 minutes while the detection sensitivity and the specificity are improved; the detection sensitivity of a to-be-detected substance can reach the pg-ng level; the adopted nucleic acid aptamers can be conveniently synthetized and are low in cost.

The invention discloses an environment protective paint, which comprises the following parts: base material, adjuvant and 80wt% industrial hemp rod core powder. The paint possesses absorbent, dampproof, fungal resistant, bacteriostatic effect, which is fit for kinds of wall decoration.

The invention discloses an experimental table of a wind-driven generator pitching slewing support, comprising an axial loading frame, an axial force-loading cylinder, two same-specification pitching slewing supports to be experimented, a large gear, a left connecting board, a right connecting board, a slewing support-mounting base, an overturning moment loading arm, an overturning moment loading cylinder, a power-driving module and a radial force-loading cylinder. The invention can simulate the operation state of a wind-driven generator pitching slewing support under various complicated loads in a vertical mounting state, detect the starting moment of the pitching slewing support, monitor the resistance moment, roller abrasion amount, lubricant temperature and vibration signals in operation in real time and estimate the fatigue service life of the pitching slewing support.

The invention relates to a time synchronization and real-time data acquisition method for a multi-sensor combined navigation system, comprising the steps that time synchronization is realized on the basis of a linux local clock, and real-time modification of a standard linux system is carried out, so that the operating system running on the computing carrier meets the hard real-time requirement; data acquisition and time synchronization are realized, so that the time marks of the data acquired by all the sensors are kept consistent with the standard GPS, then entering a buffer area and fusingthe combined navigation data to prepare the combined navigation data can be carried out; the data acquisition is synchronous with the time, and the implementation mode is as follows: the PPS signal output by the GPS receiver serves as a reference, the local clock of the calculation carrier is corrected, and then the time scale is marked by utilizing the local clock of the calculation carrier as other sensors. Under the condition that additional hardware is not needed, time synchronization precision within 10 ms can be achieved, the requirements of multi-sensor data fusion can be met, and programming is simple, application range is wide, and transplant is convenient.

The invention relates to a modified carbon material as well as a preparation method and an application thereof, and belongs to the field of preparation of engineering materials. According to the technical scheme disclosed by the invention, modification of the carbon material comprises the following three steps: acidification of the carbon material; preparation of derivatives of chlorine of the carbon material; and amination of the carbon material. The method can be suitable for carbon materials with different shapes and structures, and the modified carbon material displays a good modification effect when being applied to modification of epoxy resin materials.

The invention provides a precoated sand mixer which has a reasonable structure, can be regulated according to different site requirements, is universal, can be used for mixing sand continuously and uniformly, and has high production efficiency. The precoated sand mixer comprises a machine base and a sand mixing mechanism, wherein the sand mixing mechanism comprises a sand stirring cage, a sand transporting and stirring cage, and a driving device for driving the sand stirring cage and the sand transporting and stirring cage, the sand stirring cage and the sand transporting and stirring cage are respectively provided with a sand inlet and a sand outlet, and the sand stirring cage is respectively provided with a resin feed valve and a curing agent feed valve. The precoated sand mixer is characterized in that the sand transporting and stirring cage is connected with the machine base by virtue of a pivoting support, the sand outlet of the sand transporting and stirring cage is connected with the sand inlet of the sand stirring cage by virtue of the pivoting support, and an operation handrail is arranged at the front end of the sand stirring cage.

The invention discloses a detection method of heavy metal in soil. The detection method comprises the following steps: weighing soil, adding an alkali solution containing an ammonia solution, performing shaking and microwave treatment, adding an acid solution containing chloric acid, adjusting a pH valve, and performing ultrasonic extraction and centrifugation so as to obtain a crude extract; then performing concentration and microfiltration, and setting volumes so as to obtain a sample solution; preparing a blank solution; performing quantitative determination on the obtained sample solution by an extra-high efficient liquid chromatography. According to the detection method disclosed by the invention, an alkaline hydrolysis acid extraction method is adopted for pre-treating samples, so that losses and air pollution of heavy metal elements are avoided. Besides, the detection method has the advantages of being high in recovery rate, precision, and treatment speed, simple and convenient to operate, wide in application range and the like. According to the detection method disclosed by the invention, after the samples are pretreated, the determination of varied heavy metal elements can be performed on the pretreated samples, and performing separate sample pretreatment on each heavy metal element is not needed, so that the workload is reduced. The detection method disclosed by the invention is very acute for determining the content of the heavy metal in the soil, and has a relatively high detection efficiency.

The invention discloses a rainy season wet soft roadbed filling construction method. The method comprises the following steps of S1, soil filling water content testing and quicklime doping amount design; S2, test section construction; S3, material preparation; S4, lower bearing layer treatment; S5, measurement and lofting; S6, paving; S7, mixing; S8, leveling and light pressing; S9, rolling; S10,maintenance; and S11, later inspection. According to the rainy season wet soft roadbed filling construction method, during the construction, the quality of the subgrade filling can be ensured, the phenomena of subgrade deformation, subgrade bed frost boiling and mud pouring can be reduced, the roadbed construction efficiency can be accelerated, the construction period and cost can be saved, and the construction quality and efficiency of rainy season roadbeds are guaranteed; and meanwhile, the roadbed filling quality is guaranteed, the roadbed filling construction progress is accelerated, the construction site personnel and machinery idling phenomenon is reduced, and the time for waiting for passing along the vehicles is reduced.

The invention discloses an energy-saving, self-adaptive and intelligent streetlamp system. The energy-saving, self-adaptive and intelligent streetlamp system comprises a master control module, an LEDintegrated module, a solar cell panel, a storage battery module and a grid-connected running module and also comprises an information receiving and closed-loop feedback module, a power regulation module, a light-emitting part adjustment module and a cell panel adjustment module, wherein the power storage module is used for storing surplus electric energy which is generated by a solar cell panel and cannot be consumed, the light-emitting part adjustment module is controlled by the master control module and is used for adjusting the height and an irradiation angle of a light-emitting part according to environmental data, the LED integrated module is used for substituting a traditional streetlamp light-emitting part, and the power adjustment module is used for adjusting an output power and controlling light-emitting brightness under control of the master control module. By the energy-saving, self-adaptive and intelligent streetlamp system, the lighting effect of a streetlamp can be optimized, the night sight distance is extended, the travelling safety at night is improved, the energy utilization ratio is improved, and the effects of energy saving and emission reduction are achieved.

The invention discloses an air purifying aromatic box, comprising an outer box, a wrapping bag and purifying aromatic substance. Two corresponding sides of the outer box are provided with through holes; the wrapping bag is arranged in the outer box and made of material of good air permeability; the purifying aromatic substance is arranged in the wrapping bag and made by taking out and drying activated carbon after the activated carbon and plant compound essential oil are soaked hermetically. The invention takes the activated carbon as the carrier and uses the absorbability of the activated carbon and aromatic odor and chemical decomposition of tropic aromatic plant extract liquor to carry out mosquito repelling, sterilization, dust mite elimination, air purification, peculiar smell control and environmental health improvement to the environment and to carry out emotional management, dysphoria appeasing and stress relieving to the human body. The aromatic box has the advantages of high efficiency, effectiveness of long time, safety, wide application, etc.

The invention relates to the field of membrane separation and aims at providing an in-situ compatibilization organic-inorganic hybrid membrane and a preparation method. The hybrid membrane contains inorganic nanoparticles; and the inorganic nanoparticles are connected with a membrane matrix polymer through an N-C covalent bond and uniformly dispersed in the membrane. With amino on the surface, the inorganic nanoparticles react with the membrane matrix polymer under the condition of heating, and the fixation of a polymer chain on nanoparticle surfaces is realized in situ. The method has the characteristics of simplicity in operation, high efficiency and good modifying effect, can improve the filtering efficiency of the membrane and enable the membrane to have special properties such as hydrophilicity, specific adsorbability and catalytic property, and is applicable to the fields such as drinking water treatment, sewage treatment, oil-water separation, seawater desalination, hemodialysis and catalytic separation.

The invention relates to a control method for a wireless perceptual mouse. The existing mouse has the shortcoming that the mouse pointer is positioned by a platform such as a desk, which can not satisfy the demands of various customers. The control flow of the method is that a mouse main body and a receiver are coded; the mouse main body and the receiver are connected with each other; the mouse main body and the receiver are set into a normal working mode; whether the gyroscope trigger key of the mouse main body is pressed down or not is judged; the mouse main body and the receiver are set into a wireless radio mouse pointer control mode; and whether the gyroscope trigger key of the mouse main body is released or not is judged. The invention is characterized by achieving the radio percept of the mouse pointer through a wireless transmission and acquiring a complete function of the wireless perceptual mouse by assorting with the key and the rolling wheel of the mouse. By adopting the method, the invention can achieve the function of a wireless desk off type mouse, thus being applicable to a broader working range.

The invention relates to a cooking ware, in particular to a pressure cooker. Both a cooker body and a cooker cover of the traditional pressure cooker are provided with handles, and two hands need be used to open/close the cover, which is inconvenient. Therefore, the pressure cooker provided by the invention comprises a cooker body, a cooker cover, a heatproof sealing gasket and a pressure limiting valve; two opposite telescopic buckle plates are arranged on the cooker cover, and a wedge push block is arranged between the two telescopic buckle plates; the wedge push block is provided with a pin hole; the corresponding position of the cooker cover is provided with a clamp pin corresponding to the pin hole; and the clamp pin and the two telescopic buckle plates are all provided with reset springs. The invention further relates to an adjustable pressure limiting valve and a standby pressure relief valve. The pressure cooker provided by the invention has the advantages of convenience for opening/closing, adjustable pressure and multiple protection functions, and can be widely applied to various kinds of kitchens.

The invention provides a locating and supporting device which can conveniently and correctly locate and achieve effective locating and supporting at any position in a required space range. The locating and supporting device comprises a base, posts on the base, a sleeve structure, a locating and supporting mechanism, and locating pin heads on the top of the locating and supporting mechanism, wherein the locating and supporting mechanism and the sleeve are connected through a joining arm; the locating and supporting mechanism can rapidly move to a required position and be locked through sliding of the posts, the sleeve and the joining arm in the sleeve by a clearance fit manner; the locating holes at different positions and the locating pin bodies with adjustable height can satisfy the requirements of different supporting positions and heights; and the locating pin heads and the locating pin bodies can conveniently and stably fixed, so locating and supporting of different parts can be satisfied through changing the locating pin heads. The invention has the advantages that the locating and supporting device has wide application, precise location, convenient operation, and simple structure; and the device is easy to be produced and maintained, and is particularly suitable for line production of combination of an automobile chassis and a frameless body.

The invention discloses a device and method for automatically testing the loose circle of surrounding rock in a dry hole. The device comprises a water injection capsule on the outside, a manhole robot at the bottom and a robot walking driving device. The water injection capsule comprises a plurality of water storage bags, and the adjacent water storage bags are communicated and connected through water-filled pipelines. The water storage bag at one end is provided with a water injection pipe and a tail exhaust pipe, and the water storage bag at the other end is provided with an end exhaust pipe. At least one acoustic wave emitting probe and at least one acoustic wave receiving probe are arranged in the water storage bags, and the acoustic wave emitting/receiving probes are connected with a loose circle tester through connecting wires. The manhole robot and the robot walking driving device are connected with a robot control device. The device is wide in application range, extremely small in water consumption, easy and convenient to use and capable of being applied to testing of dry holes and holes with water and is a rock and soil acoustic wave testing coupled system device which is wider in application range, more convenient to operate and more accurate in testing result.

The invention discloses a method for synthesizing acetyl propionate by catalyzing alcoholysis of biomass carbohydrate through microwave assistance in the presence of phosphotungstic acid and phosphowolframate. The method comprises the step of allowing biomass carbohydrate and alcohol to react under the conditions of microwave assistance and a catalyst, so as to obtain acetyl propionate, wherein the catalyst is phosphotungstic acid or a phosphowolframate, phosphowolframate is any one of aluminum phosphowolframate, iron phosphowolframate, indium phosphowolframate and chromium phosphowolframate, and the use amount of the catalyst is 0.1mmol/15g-0.5mmol/15g of alcohol. The method for preparing acetyl propionate by catalyzing biomass carbohydrate through microwave assistance in the presence of phosphotungstic acid and phosphowolframate has the beneficial effects that the process is simple, reaction conditions are mild, the reaction time is short, the energy consumption can be reduced, and the yield of acetyl propionate is high; and the used catalyst is easy to prepare, has wide applicability to the raw materials, can be repeatedly used, and the catalytic activity of the catalyst is not obviously decreased.

The invention relates to a method for overlaying a cone by a cobalt-chromium-tungsten hard alloy. The method comprises the following steps that: the tip end of the cone is stretched into a barrel body; the side wall of the cone is fixed at the end of the barrel body in a point welding way; the front end and the rear end of the bottom of the barrel body are connected with a roller and an adjustable roller frame respectively; the roller is connected with a small pipe inner wall overlaying machine base through a base; the side wall of the small pipe inner wall overlaying machine base is connected with a small pipe overlaying gun; the small pipe overlaying gun is stretched into the cone; and the small pipe overlaying gun is adopted to overlap the cone. The method has the advantages that: the cobalt-chromium-tungsten hard alloy overlaying technology is stable in performance, wide in application range and high in efficiency.

The invention discloses a method for rapid crystallization of a polymer at high temperature. The method includes the steps of (1) subjecting a polymer and an organic nucleating agent to melt blending according to a weight part at a first temperature to obtain a uniformly dispersed composition; and (2) shearing the composition at a second temperature to promote rapid crystallization of the polymer. At the second temperature, the semi-crystallization time t1/2 of the polymer material is shortened to less than 25min, thus endowing the material with excellent physical and mechanical properties and heat resistance, etc.

The invention discloses a modeling method used for representing the gas-water distribution of water-borne carbonate rock gas reservoir and relates to a six-stage modeling method. Based on the characteristics of a water-borne carbonate rock gas reservoir of the development of pores, cavities and crevices, the complex spatial combination types of the pores, cavities and crevices, the coexistence of layered edge water and uneven bottom water, the complex gas-water relations, etc., the invention proposes the six-stage modeling method of stratigraphic bedding plane structure modeling, sedimentary facies modeling, reservoir permeability medium facies modeling, gas-water interface modeling, fluid classification facies modeling and porosity, permeability and gas saturation property modeling, and the accurate quantitative representation of the gas-water distribution of water-borne carbonate rock gas reservoir in a three-dimensional space is realized. Compared with the water-borne carbonate rock gas reservoir model established by means of the conventional three-stage modeling method, the three-dimensional quantitative geological model of the gas-water distribution of water-borne carbonate rock gas reservoir is more accurate and reliable and can be widely used in each stage of the exploitation of water-borne carbonate rock gas reservoirs.

The invention provides an intelligent control system and control method used for building engineering deep-well precipitation. The system comprises an intelligent precipitation system used for reducing the foundation pit bottom underground water level, an intelligent recharging system and an intelligent detecting system, the intelligent recharging system is used for stabilizing the underground water level of surrounding buildings in the foundation pit precipitation process, the three systems are built on a WEBS system integrated platform, information collected by various sensors of the tail ends of the systems serves as the reference, and various conditions of the site are monitored in real time, the three branch systems are connected with a central control cabinet and a central server atthe same time, a user sends out an instruction through an application program on the central server, the central control cabinet carries out comparison matching on feedback signals of the sensors at the tail ends of the systems according to the internal core logic program, and the running state of equipment can be changed in real time. The control system can monitor the underground water level change in real time, the running state of a precipitation device is actively controlled, and the base bottom underground water level and the foundation pit surrounding precipitation curve are stabilizedwithin short time.

The invention discloses a low-cost deironing quality-improving beneficiation method for high-impurity-content feldspar quarry. Inferior fine magnetite concentrates of low-intensity magnetic separation operation are divided into four fractions through grading operation of three times, and the concentrates of the coarse fraction of grading operation of the first time are directly thrown out as tailings (3). Rough flotation, fine flotation and the high-intensity magnetic separation process are adopted on the concentrates of the rough fraction of grading operation of the second time. The concentrates of the fine fraction of grading operation of the second time are graded through grading of the third time, and rough flotation, fine flotation and the high-intensity magnetic separation process are adopted on the concentrates of the rough fraction of grading operation of the third time. High-intensity magnetic separation operation is directly carried out on the concentrates of the fine fraction of grading operation of the third time to obtain concentrates (3). The grading treatment process is adopted, and products of different qualities and purposes can be obtained according to different purposes. The particle size of products of all fractions after grading is concentrated, few flotation reagents are adopted, and the flotation cost is low. The productivity and ferric oxide recycling rate of grading flotation are high, and all flotation indexes are good. The deironing beneficiation process for feldspar is good in applicability, and can be used for grading various types of feldspar quarry.

The invention relates to an electrostatic dust collector, belonging to the technical field of electrostatic dust collection. The dust collector comprises a housing, a cathode and an anode made of electric conductive wires are arranged in the housing, and a dust collection board which is parallel with the anode and whose length is basically equal to that of the anode is arranged close to the anode; the dust collection board semi-surrounds the anode from one side of the anode, the scope of the distance between the dust collection board and the anode is 5-150mm, and the upper end and the lower end of the dust collection board are respectively and fixedly arranged on the upper end and the lower end of the housing through an insulator; and the overall insulator is of an umbrella shape or a dumbbell shape. According to the electrostatic dust collector, the dust collection efficiency is high, various specific resistance dusts can be collected, and any modulation is not needed.

An adjustable center of gravity type balancing teeterboard is characterized in that a counter weight is arranged on a bottom plate of the teeterboard, screws penetrate the counter weight and penetrate through screw holes formed in the bottom plate of the teeterboard, and two ends of each screw are respectively fixed with a steering disk. Two fixing strips are respectively welded on two sides of a protective cover. The lower ends of the fixing strips are fixed on the bottom plate of the teeterboard through screws. A scale is engraved on the protective cover. Two ends of the bottom plate of the teeterboard are provided with seats. A supporting point shifter is welded on the bottom plate of the teeterboard. The screw A passes through the supporting point shifter. When the adjustable center of gravity type balancing teeterboard is used, the counter weight moves horizontally to adjust the center of gravity, and the supporting point shifter is adjusted to one side which is light in weight, so that people who are great in difference of weights can also play with the teeterboard. The counter weight is moved to one side without people sitting, so that one person can play with the teeterboard. If the counter weight is not enough, the supporting point shifter is adjusted to move the bottom plate of the teeterboard to the direction without people. When the teeterboard is played, two hands can practice rotating the steering disks, and therefore flexibility of the hands is practiced. When the teeterboard is tilted vertically, the steering disk held by the hands can adjust balancing of a body.

The invention relates to a method for separating absorption of a zeolite molecular sieve and recycling acetone in waste water. The prior treatment art has the defects of high cost, low acetone removing rate and secondary pollution to the environment. The invention is to pass the acetone waste water through an absorption column to make the absorption column to absorb the acetone in the waste water; the acetone content in water leakage is reduced to a degree which microorganism can bear when two levels of biochemistry processing are carried out or to reach an environmental protection emission requirement. The absorbed acetone can desorb under a gas desorption condition; the absorption agent is regenerated and the desorbed acetone can be recycled and utilized.

The invention discloses a new one-time crop cultivating technique of nourishing paper-pot, which is characterized by the following: using straw to manufacture the paper pot with leaking hole; loading slow-fertilizing fertilizer, nourishing soil and seed in two oil paper bags; placing the nourishing paper pot in the specific tray; transmitting the tray on multiple-layer tray rack temporarily without workshop; constructing 'industrializing' breeding and growing; decaying the paper pot itself in the ground; modifying the soil quality; simplifying the operation; reducing the cost; increasing the production and benefit.