72results about How to "Maintain balance" patented technology

The utility model relates to the technical field of tea garden trimmers, in particular to an electric bilateral trimmer for a tea garden. According to the technical scheme, a storage battery is installed on a rack, a steering shaft is rotatably installed on the rack, a handle is welded to the top end of the steering shaft, a front fork is inserted into the bottom end of the steering shaft, and a front wheel is rotatably installed on the steering shaft through the front fork; trimming blades are slidably installed on the two sides of the rack through a first connecting plate and a second connecting plate, sawteeth are arranged at the bottom ends of the trimming blades, a motor is fixed to the second connecting plate through a support, the support penetrates through the trimming blades and is fixedly connected with the motor, and an eccentric shaft is arranged at the output end of the motor; and the motor stirs the trimming blade through the eccentric shaft, so that the trimming blade performs lifting motion. The electric bilateral trimmer for the tea garden integrates the advantages of maneuverability, stability, flexibility, efficiency, humanization and the like, so that the electric bilateral trimmer for the tea garden is more suitable for complex trimming requirements in a tea garden environment.

The invention discloses a control method of a multi-cabinet liquid cooling system, electronic equipment and a computer readable medium, all liquid cooling cabinets are communicated with communicating pipe sections through communicating vessels, the lengths of liquid inlet pipe sections are matched, and the lengths of liquid outlet pipe sections are matched; periodically detecting the environment temperature, the liquid level of each liquid cooling cabinet and the liquid pool temperature; determining each liquid-cooled cabinet as one of the four cabinets according to the liquid level and the liquid pool temperature of each liquid-cooled cabinet; controlling the opening of the communicating vessel of the liquid cooling cabinet with normal load and normal liquid level; for the liquid cooling cabinets with normal loads and abnormal liquid levels, liquid inlet valves of the liquid cooling cabinets are controlled according to the liquid levels of the liquid cooling cabinets; controlling a communicating vessel of the liquid cooling cabinet with abnormal load and normal liquid level to open, and controlling a liquid pump of the liquid cooling cabinet according to the temperature of a liquid pool and the environment temperature of the liquid cooling cabinet; the liquid pumps of the liquid cooling cabinets with abnormal loads and abnormal liquid levels are controlled according to the liquid pool temperature and the environment temperature, and the liquid inlet valves of the liquid cooling cabinets are controlled according to the liquid levels of the liquid cooling cabinets. And the control and cooling efficiency is improved.

The invention discloses dry and comfortable antibacterial menstrual period pants and a preparation method thereof, and belongs to the technical field of female hygienic products, and the preparation method comprises the following steps: beta-cyclodextrin and sophocarpidine are utilized to form a superfine capsular inclusion compound, the superfine capsular inclusion compound is adsorbed on the surface of macroporous super absorbent resin to form antibacterial composite resin powder, and the antibacterial composite resin powder is sprayed on the surface of a composite aerogel sheet; when meeting blood, the affinity of water molecules to external hydroxyl groups of cyclodextrin is enhanced, so that the binding force of matrine and beta-cyclodextrin is weakened, and matrine is released; the antibacterial composite resin powder expands when encountering water, compresses and promotes the release of the nano antibacterial inclusion compound loaded on the surface, so that the release of the matrine contained in the antibacterial composite resin powder is accelerated, and a rapid and highly-targeted antibacterial effect is realized; the composite aerogel sheet can improve the resilience force of the menstrual period trousers, has an extremely high specific surface area, a nanoscale hole structure and an extremely low heat conductivity coefficient, and can effectively prevent heat transfer and improve air permeability.

The utility model discloses a pushing beam limiting support which comprises a working table, a limiting assembly is installed on the top wall of the working table, a plurality of sections of pushing beams are installed on the inner wall of the limiting assembly, and a supporting assembly is installed on the outer wall of the working table. According to the pushing beam limiting support, when multiple sections of pushing beams are welded, the pushing beams are vertically placed on the inner wall of a containing groove, a positioning pin drives a sliding seat to compress a spring in the inner wall of a mounting opening, the spring pushes a positioning block, the positioning pin is clamped into a corresponding positioning hole, and a sliding rod drives a screw block to move outwards in the inner wall of a screw cylinder; the semi-circular elastic clamping seat drives the rotating seat to be aligned to the positions of the multiple sections of propelling beams and clamped, so that when the multiple sections of propelling beams are welded, different sections can be limited and fixed, and therefore the welding fixture has good applicability during assembly, the overall installation time is shortened, the multiple sections of propelling beams can be limited and fixed, and welding is convenient.

The invention provides metal rolling equipment capable of adjusting the rolling thickness, and relates to the technical field of metal plate rolling. A rectangular plate is fixed to the upper end of the bottom frame, two supports are installed on the rectangular plate through bolts, two fixing bases are fixed to the two supports respectively, adjusting bolts are screwed to the fixing bases in a threaded mode, and a partition plate is installed at the upper ends of the four adjusting bolts. The spring on the vertical rod can upwards extrude the bottom roller, the spring and the top roller jointly apply rolling force to a metal plate, the position of the partition plate can be accurately adjusted by rotating the four sets of adjusting bolts, then the distance between the bottom roller and the top roller is adjusted, and accurate control over the rolling thickness is achieved; the height of the adjusting roller can be finely adjusted by controlling stretching and retracting of the first hydraulic rod, the right side of the metal plate can be effectively prevented from being pressed downwards through the adjusting roller, it is guaranteed that the metal plate is kept in a balanced state in the whole rolling process, and therefore warping or inclination caused by uneven stress is avoided.

The invention relates to the technical field of substrate glass production, and discloses a substrate glass safe sampling device and method.The substrate glass safe sampling device comprises clamping jaws, a clamping jaw frame, a three-hinge mechanism and a locking handle, the two clamping jaws are fixed to the two ends of the clamping jaw frame respectively, the three-hinge mechanism is arranged in the middle of the clamping jaw frame, and the locking handle is arranged on the clamping jaw frame; the design of the three-hinge mechanism allows the clamping jaw frame to have certain flexibility while keeping certain rigidity, the clamping jaw frame can adapt to substrate glass of different shapes and sizes, the sampling safety is further improved, the sampling success rate is further increased, meanwhile, the three-hinge mechanism is connected with the locking handle, and the clamping jaw frame is convenient to use. By arranging the locking handle, an operator can easily adjust the opening and closing degree of the clamping jaw so as to quickly and accurately clamp the substrate glass, the locking handle can also fix the position of the clamping jaw, once the clamping jaw is locked, the clamping jaw can firmly clamp the substrate glass, and the sampling device has the advantages of high sampling efficiency and high safety, and is suitable for popularization and application. And the injury to sampling personnel is avoided.

The invention belongs to the technical field of disease and pest control, and particularly relates to a control mechanism for forestry soil diseases and pests, which comprises a treatment box, the treatment box is internally provided with a high-temperature sterilizing and killing assembly, the high-temperature sterilizing and killing assembly comprises a plurality of groups of L-shaped connecting pipes arranged in the treatment box and a fixed plate fixedly arranged in the treatment box, and the L-shaped connecting pipes are fixedly connected with the fixed plate. According to the fact that the tolerance degrees of different types of diseases and pests to the temperature are different, the temperature can be adjusted, it can be guaranteed that the appropriate temperature enough for killing the diseases and the pests can be accurately set according to the specific disease and pest types, the pertinence and effectiveness of killing are improved, reciprocating killing operation can be achieved, the situation that the local temperature is too high or too low is avoided, and the working efficiency is improved. Therefore, it is ensured that diseases and pests in the whole sterilization area can be subjected to the effective temperature effect, the loose soil structure can make steam permeate into the soil more deeply, it is ensured that the steam can reach a deep area where the diseases and pests possibly hide, and therefore the comprehensiveness and effectiveness of sterilization are improved.

The utility model discloses a printing machine net rack, and belongs to the technical field of printing machines, the printing machine net rack comprises a main body module and a working module, the main body module comprises a base block, a supporting plate is arranged above the base block, a surface lifting main body is arranged above the supporting plate, and the working module is arranged among the surface lifting main body, the supporting plate and the base block; the working module comprises two balance assemblies which are both arranged at the top of the base block and the bottom of the supporting plate, an adjusting assembly is arranged at the top of the supporting plate, and two connecting assemblies are arranged between the top of the adjusting assembly and the surface lifting body. Through the arrangement of the adjusting assembly, the orientation of the surface lifting main body can be adjusted, through the arrangement of the connecting assembly, the adjusting assembly can be connected with the surface lifting main body, and through the arrangement of the lifting assembly, the height of the surface lifting main body can be adjusted through the adjusting assembly and the connecting assembly.

The utility model relates to the technical field of mechanical arms, in particular to a joint type power-assisted charging mechanical arm which comprises a machine body end, a swing hinge, a first-stage arm, a second-stage arm, a driving device and a load end. One end of the first-stage arm is rotationally connected with the machine body end, and the other end is rotationally connected with the swing hinge; one end of the second-stage arm is rotationally connected with the swing leaf, and the other end is rotationally connected with the load end; the two ends of a rotating shaft of the swing hinge are rotationally connected with the first-stage arm and the second-stage arm respectively, so that the first-stage arm and the second-stage arm rotate around the rotating shaft of the swing hinge; the driving device is connected with the first-stage arm and the second-stage arm and used for driving the first-stage arm to rotate around the machine body end and driving the second-stage arm to rotate around a rotating shaft through which the second-stage arm is connected with the swing hinge. The moment opposite to the load moment is generated through vector superposition cooperation of the driving device in the load traction process of the mechanical arm, the moment opposite to the traction direction of the mechanical arm generated by the cable due to the gravity of the cable is overcome, and therefore it is ensured that the mechanical arm meets the requirement of an existing charging cable.

The utility model belongs to the technical field of microbial agent culture, and discloses a microbial agent culture device which comprises a bottom cover, a fixing plate is fixedly arranged in the bottom cover, a motor is fixedly arranged on one side of the fixing plate, a rotating shaft is fixedly arranged at the tail end of a main shaft of the motor, and the rotating shaft is fixedly connected with the bottom cover. A linkage plate is rotatably arranged on the outer side of the top of the rotating shaft, a swing plate is rotatably arranged at the other end of the linkage plate, a tray is fixedly arranged at the top end of the tail of the swing plate, fixing shafts are fixedly arranged on the two sides of the inner wall of the tray, springs are arranged on the outer sides of the fixing shafts in a sleeving mode, and clamping plates are slidably arranged on the outer sides of the fixing shafts. The device has the advantages that a nutrient solution is automatically shaken, nutrient substances in the nutrient solution are prevented from precipitating to the bottom of a vessel as time goes on, the situation that an upper layer is lack of nutrient components is avoided, and the balance of a microbial agent cultivation experiment is maintained.

This application discloses a resource processing method, apparatus, device, medium, and program product for virtual characters. By triggering an operation on a first virtual building to consume a first resource and generate a second resource, and triggering an operation on a second virtual building to consume the second resource and generate a third resource, the total amount of the third virtual resource meets the conditions to trigger the activation of the upgrade control of the second virtual building. By triggering an operation on the upgrade control of the second virtual building, the second virtual building is upgraded, thereby increasing the number of interactions between the player and the system during the game and improving the interactivity between the game and the player.

The utility model relates to an ocean floating type hose with high buoyancy, each section of hose comprises a main pipe body, an auxiliary pipe body, a flange I, a flange II and a stagnant oil interface defined by the main pipe body, the auxiliary pipe body, the flange I and the flange II, and the main pipe body comprises a lining layer I, a cord fabric reinforcing layer I and a rubber coating layer I; the auxiliary pipe body comprises a lining layer II wrapping the outer side of the main pipe body, a cord fabric reinforcing layer II and a rubber wrapping layer II internally provided with a floating layer and a self-expansion leakage early warning layer. The floating layer comprises a floating air bag arranged in the axial direction of the hose, an air conveying pipeline communicated with the floating air bag is arranged on the auxiliary pipe body, and the other end of the air conveying pipeline is communicated with an air valve of an external air pressure source. According to the ocean floating type hose with the high buoyancy, the floating air bag is arranged in the hose, the total buoyancy of the hose can be remarkably increased, it is ensured that the hose is kept in a floating state in water, it is crucial to liquid conveying, and damage or operation interruption caused by hose sinking can be prevented.

The invention relates to the related field of coffee drinks, in particular to chlorogenic acid sports black coffee and a preparation method thereof, and the coffee contains freeze-dried instant coffee powder, green coffee bean extract, black ginger and cinnamon extract and Y-aminobutyric acid according to a specific proportion by weight percentage. The preparation method comprises the following steps: strictly checking and accepting the raw materials and pretreating, accurately mixing in proportion under specific temperature and humidity, fully mixing by controlling the mixing time and rotating speed, sequentially filling, packaging, detecting metal, inspecting a finished product, and finally warehousing and selling. According to the coffee, various functional components are combined with the high-quality coffee powder, so that the coffee has various health effects of resisting oxidation, resisting inflammation, regulating blood sugar and the like, and is rich in taste. The preparation method strictly controls parameters of each link, ensures stable product quality, meets the requirements of high-quality healthy drinks, and provides an innovative choice for the coffee drink market.

The invention discloses a fixing device for a concrete slab explosion test, which comprises a fixing seat, and the fixing seat comprises a first supporting unit and a second supporting unit which are detachably arranged; first clamping assemblies are arranged at the top ends of the first supporting unit and the second supporting unit; the fixing base is further provided with a monitoring unit and a blasting assembly fixing unit. The free end of the blasting assembly fixing unit can be close to or away from the fixing base, the second clamping unit comprises a first clamping assembly and a second clamping assembly which are detachable, and the second clamping assembly can move in the vertical direction of the first clamping assembly; the device can effectively simulate the real clamping and stress conditions of the two ends of a concrete slab in a building under the action of an explosion load, greatly improves the accuracy of an anti-explosion performance loading test of the concrete slab with the two ends clamped and supported, meets the test of different to-be-tested assemblies at the same time, and improves the test efficiency. The test efficiency is improved and the cost is reduced.

The utility model relates to the technical field of training devices, in particular to a lion dancing item staggered training device which comprises a support, a training mechanism, a lifting mechanism and a handle assembly, the lifting mechanism is arranged on the support, the handle assembly is arranged on the support, and the training mechanism comprises a pedal assembly. The pedal assembly comprises a fixing rod, a twisting device and a pedal, the fixing rod is arranged on the lifting mechanism, the twisting device is arranged at the end, away from the lifting mechanism, of the fixing rod, a semicircular groove is formed in the pedal, and the pedal is arranged on the twisting device through the semicircular groove. Through the design of the lifting mechanism and the twisting device, the training device can be adjusted according to the height and the skill level of a trainee, the multifunctional design of the training device enables the lion dancer to do various exercises on one device, the trouble of replacing the device is reduced, and the training efficiency is improved.

This invention discloses a method for enhancing the waterlogging tolerance of sesame seedlings using melatonin and its application. The method utilizes alginate oligosaccharides, boric acid, melatonin, calcium chloride, polyalkylene oxide-modified heptamethyltrisiloxane, and deionized water as raw materials. Through a stepped temperature control and multi-channel synchronous assembly process, a cross-linked network is constructed to physically encapsulate melatonin, effectively shielding its photosensitive area to slow down UV photolysis. This method features low surface tension, allowing easy penetration into microcracks and stomata on plant leaves. After a small amount of water evaporates, an in-situ sol-gel phase transition is triggered, forming a hydrogel microfilm that adheres to the leaf tissue, resisting natural rainfall washout and achieving slow-release of melatonin. This invention effectively solves the problems of easy loss and photolysis of conventional exogenous agents, and the components synergistically activate basic plant immune and antioxidant pathways, systematically enhancing the waterlogging tolerance of sesame seedlings.

The present application relates to a kind of water body ecological restoration method, comprising the following steps: S1, constructs the array of enclosure in water body, each enclosure unit in array is closed enclosure;Array in the same row of enclosure unit between there is spacing, there is spacing between the same column of enclosure unit;S2, each enclosure unit is planted submersed plant, and the enclosure unit that cultivation is obtained in line with preset vegetation coverage;S3, at least two adjacent enclosure units in line with preset vegetation coverage are connected and merged, form recovery module, again submersed plant is planted to recovery module, to make recovery module in line with preset vegetation coverage;S4, recovery module in line with preset vegetation coverage is connected with the water body outside module, forms recovery area.Its beneficial effect is, beneficial to underwater vegetation rapid recovery, effectively establish underwater ecosystem, maintain water ecological balance and self-purification capacity, to improve water quality.

The invention relates to the technical field of vegetable cultivation, and discloses a vegetable full-coverage ecological efficient cultivation technology which comprises the following steps: step 1, selecting and designing a functional composite mulching film which has the functions of temperature and humidity regulation, pest control, accurate nutrient release and soil protection, and the design of the mulching film comprises a multi-layer structure, each layer has different functions; and step 2, performing plastic film mulching: laying the functional composite plastic film on a vegetable planting area to cover the whole soil surface so as to form a full-coverage cultivation environment. Through optimization of a cultivation environment and accurate nutrient management, the growth efficiency and yield of crops are remarkably improved, a full-coverage cultivation technology and an intelligent fertilization system are combined, so that the crops can obtain appropriate moisture, illumination, nutrients and other elements in different growth stages, and thus healthy growth and disease resistance of the crops are enhanced; the overall quality and the market competitiveness of the vegetables are improved.

The invention discloses a mechanical grabbing device for an underwater robot, which is used for underwater operation and belongs to the field of underwater robotics.The mechanical grabbing device comprises a robot body and a control arm connected with the robot body, the end of the control arm is connected with a mounting base body, and one end of the mounting base body is rotationally provided with a first clamping jaw and a second clamping jaw; square through holes are formed in the side walls of the first clamping jaw and the second clamping jaw, and supporting bodies are rotationally arranged in the through holes. According to the device, a grabbed object can be kept in a balanced state, and the problems that the object in an irregular shape is difficult to grab and the underwater robot is unbalanced are effectively solved.

The invention relates to multi-vitamin nutritional collagen soft sweets and a preparation method thereof. The collagen soft sweets are prepared from the following raw materials in parts by weight: 20 to 40 parts of fish protein glue, 0.6 to 2 parts of locust bean gum, 9 to 20 parts of isomaltitol, 24 to 40 parts of xylitol, 0.2 to 0.5 part of anhydrous citric acid, 0.15 to 0.3 part of DHA algae oil powder, 0.03 to 0.06 part of lutein ester, 0.003 to 0.01 part of zeaxanthin, 1.5 to 3 parts of calcium lactate, 0.6 to 1 part of vitamin C, 1 to 3 parts of vitamin D3, 0.15 to 0.3 part of ferrous fumarate, 0.03 to 0.1 part of zinc-enriched yeast, 0.3 to 1 part of MTG enzyme and 240 to 300 parts of fruit juice. According to the invention, the thermally reversible fish protein glue and the thermally irreversible locust bean gum are mixed, and modified cross-linking is carried out on the mixture by adopting the MTG enzyme, so that the thermal stability of the soft sweets can be improved, and the taste of the soft sweets is enriched.

The invention discloses an environment-friendly low-slag low-consumption phosphating solution and a preparation method thereof, and belongs to the technical field of metal surface anti-rust treatment solutions. The corrosion inhibitor comprises the following chemical components in percentage by mass: 8-13% of zinc oxide, 8-12% of nitric acid, 17-25% of phosphoric acid, 0.5-0.8% of citric acid, 0.3-0.5% of hydroxylamine sulfate, 0.3-0.5% of sulfamic acid and the balance of water. The method comprises the steps of preparing zinc oxide turbid liquid; preparing a zinc salt solution; and preparing a finished product phosphating solution. The method has the advantages that invalid consumption of phosphate ions can be reduced from the source; the compactness and the anti-rust performance of the zinc-series phosphating film can be guaranteed, meanwhile, a large amount of sediment brought by nitric acid serving as a strong oxidant is avoided, and the total nitrogen content can be lower than 70 mg / L; the spontaneous precipitation of free zinc ions and phosphate ions can be inhibited, and the ion balance effect of the system can be well maintained.

The application provides a steel dust and organic solid waste low-carbon synergic treatment melting furnace, which comprises a feeding unit, an iron bath pyrolysis unit and a recovery unit which are sequentially communicated; the iron bath pyrolysis unit comprises a furnace body containing molten iron and an oxygen delivery assembly communicated with an upper cavity in the furnace body; the feeding unit comprises a steel dust injection assembly, an organic solid waste injection assembly and an organic solid waste feeding opening arranged on the top of the furnace body and communicated with the furnace body; and the recovery unit comprises a flue gas recovery assembly communicated with an exhaust opening arranged on the shoulder of the furnace body. Through the above manner, the melting furnace can not only treat different types of organic solid waste and improve the utilization efficiency, but also treat the steel dust by using the organic solid waste, so that molten iron, dust rich in volatile metal elements and high-calorific-value synthetic gas rich in CO and H2 are produced, the reaction rate is fast, the product quality is high, and the efficient resource utilization of the organic solid waste and the steel dust is realized.

The utility model relates to the technical field of computer hardware mounting racks, in particular to a computer hardware mounting rack with an adjustable positioning distance, and solves the problems that in the prior art, due to the influence of mounting requirements, personnel need to adjust the position state of a bracket disc in the mounting rack so as to meet the mounting requirements of the personnel, and the mounting efficiency is low. However, if a person needs to use a tool or carry out a relatively complex operation process to complete adjustment in the process of adjusting the support disc by the person, the adjustment burden of the person is increased, and the learning and use cost of the person is increased. The computer hardware mounting rack with the adjustable positioning distance comprises an outer frame, two cross rods are fixed to an inner cavity of the outer frame, and a plurality of support discs are arranged on one sides of the cross rods. In the operation process of adjusting and limiting, the adjusting and limiting device is simple and easy to operate, people can complete operation without spending too much time to learn, and convenience is brought to users.

The invention relates to the technical field of environmental engineering, and discloses a large-scale coal-fired power plant flue gas desulfurization control system, which comprises a monitoring module, an evaluation module, a cleaning module and a manual intervention module, and is characterized in that the monitoring module is used for monitoring parameters in equipment and sending the monitored parameters to the evaluation module through a network; the evaluation module evaluates the cleaning state according to the received parameter data, a cleaning signal is sent to the cleaning module through a network when the cleaning state is evaluated to be the condition that cleaning is needed, and the cleaning module receives the cleaning signal to clean the equipment and calculates the internal cleaning effect after cleaning; whether manual intervention is needed or not is judged according to the cleaning effect, an intervention signal is sent to the manual intervention module for manual deep cleaning when it is judged that manual intervention is needed, the working environment of the equipment is comprehensively analyzed for dynamic cleaning, the service life of the equipment is prolonged, the working environment in the equipment is improved, and manual labor is saved.

The invention discloses a short guide rail photovoltaic panel mounting bracket and a mounting method thereof, the short guide rail photovoltaic panel mounting bracket is mounted and fixed on a roof, the short guide rail photovoltaic panel mounting bracket comprises a short rail and a base, the base comprises a connecting part matched and connected with the short rail and fixing parts on two sides, and the fixing parts on two sides are respectively provided with a plurality of connecting holes; each short track comprises a mounting groove and a rectangular frame, the upper part of the mounting groove is an open groove, the mounting groove is matched and connected with a middle clamp for mounting a photovoltaic panel, the rectangular frame is matched and sleeved with the connecting part, a screw rod adjusting structure is arranged between the rectangular frame and the connecting part, and the bottom of the base is provided with a butyl rubber layer and release paper. The screw adjusting structure comprises an upper nut, a bolt and a lower nut, and threaded adjusting holes matched with the bolt are formed in the short rail and the connecting part respectively. And fixing glue layers are arranged on the screw at the fixed part of the upper nut and the bolt and in the lower nut. The middle clamp for photovoltaic panel installation is fixedly connected with the short rails, installation of long guide rails is omitted, cost is reduced, and the middle clamp is simple in overall structure and convenient to install.

The roll-on and roll-off transportation method comprises the following steps that the maximum transportation height of the ship unloader on a transport ship is determined according to the height limitation passing through a drainage basin; a front pull rod and a rear supporting rod are disassembled according to the maximum transportation height of the ship unloader, the front pull rod is disassembled into multiple sections, and a tower is put down in the direction close to the front pull rod; binding and fixing the end part, connected with the rear girder, of the rear supporting rod and the two ends of the tower; the ship unloader carries out ship loading. The roll-on and roll-off transportation method for the ship unloader has the beneficial effects that the roll-on and roll-off transportation requirement of the ship unloader in the Yangtze River basin is met, secondary installation of large piece disassembly is avoided, the installation precision of the whole machine is guaranteed, the novel roll-on and roll-off sea binding and shipping technology has good practicability and economical efficiency, the stability and safety in the transportation process are guaranteed, and the transportation cost is reduced. The damage risk caused by shaking or collision is reduced; the height of the ship unloader is reduced by disassembling the front pull rod and the rear supporting rod and putting down the tower, so that the ship unloader smoothly passes through the limited height of a drainage basin.

The invention belongs to the technical field of species identification, and particularly relates to application of a detection reagent of InDel molecular markers for distinguishing acer truncatum lineages, two InDel molecular markers North and Soth for identifying acer truncatum populations are disclosed for the first time, the nucleotide sequence of the molecular marker North is as shown in SEQ ID NO.1, the nucleotide sequence of the molecular marker Soth is as shown in SEQ ID NO.2, the nucleotide sequence of the molecular marker North is as shown in SEQ ID NO.1, and the nucleotide sequence of the molecular marker South is as shown in SEQ ID NO.2. Molecular markers North and Soth can be used for distinguishing the southern pedigree and the northern pedigree of acer truncatum. The invention also develops a reagent for detecting the molecular marker, and develops a method for distinguishing the southern pedigree and the northern pedigree of the acer negundo, and the method can accurately and effectively identify the pedigree type of an acer negundo sample to be detected, distinguish the southern pedigree and the northern pedigree of the acer negundo, and improve the detection accuracy of the acer negundo. And an efficient and reliable technical means is provided for protection and research of acer truncatum.

The utility model relates to a circuit system for starting a trailer by a storage battery, which comprises a main loop and a control circuit, and the main loop consists of two groups of batteries, a total output negative end X3, a first output positive end X1 and a second output positive end X2 with variable voltage. In a first working state, the two groups of batteries are connected in parallel, so that the common negative end is connected with the total output negative end X3, and the common positive end is connected with the first output positive end X1 and the second output positive end X2 respectively. In a second working state, the two groups of batteries are connected in series, the first output positive end X1 is connected to the center tap, and the second output positive end X2 is connected with the total positive end; and the total output negative end X3 is connected with the total negative end. The control circuit enables the main loop to be switched between a first working state and a second working state. According to the utility model, two groups of voltages forming a loop can be output through the three external output ends only by arranging two groups of batteries, and the output voltage of one group is changed along with the change of the working condition of an electric appliance.

The utility model provides a strength training device which comprises a main frame mechanism, an adjusting mechanism, two handle mechanisms and a pedal mechanism. The main frame mechanism comprises a bottom frame and a vertical frame vertically arranged at one end of the bottom frame; the adjusting mechanism is connected to the vertical frame in a manner of swinging up and down relative to the vertical frame; the two handle mechanisms are symmetrically arranged on the adjusting mechanism in the mode that the height of the two handle mechanisms can be adjusted relative to the adjusting mechanism. By arranging the handle mechanism with the adjustable height, the strength training device can remarkably improve the applicability of a user, effectively improve the training effect and ensure that the user can keep a correct training posture in the training process.

This invention discloses a fluid flow drag-reducing electrolyzer, comprising an electrolyzer frame and two electrodes, two guide plates, and a diaphragm installed and tightly fitted together within the frame. The electrolyzer frame has an inlet at its bottom and an outlet at its top. The two electrodes are symmetrically distributed on both sides of the diaphragm; each electrode is flattened by rolling. The two guide plates are symmetrically distributed on both sides of the diaphragm and located outside the corresponding electrodes. Each guide plate has multiple guide grooves arranged radially along its diagonal and parallel lines near the corresponding electrode. By optimizing the electrode thickness and its internal fluid channel design, this invention reduces the flow resistance of the electrolyte in the electrode region, improves electrolyte renewal efficiency, and enhances the overall operating performance of the electrolyzer.