57results about How to "Reduce the number of species" patented technology

The pesticide composition consists of emamectin benzoate 0.1-5 wt%, effective component B 0.2-30 wt%, synergist 0.1-5 wt%, emulsifier 5.0-20 wt%, and solvent 45-90 wt%. The effective component B is chlorfenapyr, diafenthiuron, fipronil, beta-cypermethrin, cyhalothrin or their any mixture. The present invention can prevent and kill several kinds of pests, and this can reduce pesticide consumption, lower agricultural cost and reduce pollution.

The invention provides a flexible mechanical arm which comprises a plurality of arm lever joint sections and corresponding center blocks. Each arm lever joint section is connected with the corresponding center block through a rotary connection mechanism, so that a unit of an arm lever body is formed, and the multiple units form the arm lever body. The flexible mechanical arm further comprises linkage ropes, the adjacent arm lever joint sections are connected through the linkage ropes for linkage, the adjacent center blocks are connected through the linkage ropes for linkage, and part of the linkage ropes are S-shaped. According to the scheme, compared with an existing technical scheme, the unit modular mode and the stress state of the linkage rope linkage process are more reasonable, and the linkage precision is higher.

The invention provides an efficient and low-noxious compound formulation for paddy pest control, having the effective components of abamectin or fipronil, buprofezin, imidacloprid assisted with the emulsifier, the insecticide synergist combination. The ternary mixtures of pesticides of the invention can complement several different mechanisms of insecticide mixed together to complement each other, the first application, we can effectively combat a wide range of pests rice. At the same time be able to delay the rice pest resistance to produce a single Pharmacy to address the rice problem of pest resistance, a decrease of rice, the pesticide residues in aquatic products, protection of ecological environment.

The invention discloses a grouping method of a square battery module. The grouping method comprises the following steps of sequentially and vertically laminating battery cores into groups according to a thickness direction after positive electrodes and negative electrodes of the battery cores are arranged in the same direction; fixing the battery cores by a thermoplastic film; separately welding the positive electrodes of all battery cores with a pole plate to be connected in parallel, and welding the negative electrodes of all battery cores with another pole plate to be connected in parallel to form standard battery core modules; arranging and combining at least two standard battery core modules in series or in series and in parallel to form standard battery core modules with determined voltage and capacity; and compacting, packaging and welding the stand battery core modules to obtain the square battery module. According to the grouping method, 3-5 parallel standard battery core modules are taken as a basis, more than three arbitrary battery modules in parallel required by market are combined in series or in series and in parallel, the type number of the standard battery core modules is remarkably reduced to only three types from several types in the past, the standard grouping of the battery module is achieved, the production efficiency is improved, and the production cost is reduced.

The invention provides a guide rail type assembling frame body structure attached with a lifting scaffold. Each of a main stand column and a bottom truss is formed by assembling rod pieces, frame pieces and connecting pieces. Each frame piece is provided with upper and lower connectors and connecting wings; the rod pieces are connected with the frame pieces through the connecting wings to form cuboid basic units; the basic units of the main stand column are connected in a downward extending way through the upper and lower connectors to form the main stand column; the basic units of the bottom truss are connected through the connecting pieces in a transversely extending way to form the bottom truss; a main frame body is formed by connecting the main stand column and the bottom truss; and the upper and lower stand columns of the bottom truss of the main frame body are connected through a basis rod piece and a buckling piece, so as to finally form the guide rail type assembling frame structure attached with the lifting scaffold. The rod pieces and the frame pieces are made of tubular products. Vertical long-hole plate sheets are arranged at the centers of two ends of the rod pieces. The frame pieces are divided into a bottom truss frame piece, a bottom main stand column frame piece and an upper main stand column frame piece. A frame body disclosed by the invention is assembled by the standard frame pieces and the standard rod pieces and is convenient to store; and the total weight of equipment is low, the stability is improved, the variety of components is reduced and the batch production is easy to realize.

The invention discloses an efficient and high-power vehicle-mounted DCDC power supply. The output positive electrode of a vehicle-mounted fuel cell is connected with a first contactor and a first electric reactor in sequence through a fuse; the output negative electrode of the fuel cell is connected with a second contactor; the output ends of the first electric reactor and the second contactor areconnected with a first capacitor in parallel; the first capacitor is connected with a filter through a DC/DC conversion circuit; the output positive electrode end of the filter is connected to a loadpower battery through a reversion preventing diode; and the DC/DC conversion circuit adopts a dual Boost topological structure which is formed by a primary boost circuit and a secondary boost circuitin a reversely staggered and parallel connection manner. The instable low voltage output by the fuel cell is converted into a stable high voltage to be stored in the power battery to be used by equipment and the driving motor on the vehicle; and the power supply is high in power output efficiency, small in size and light in weight, less in raw material loss and low in cost.

The invention discloses a special-shaped corrugated paper online customization production platform and method. An order information obtaining module obtains specification item parameters and the demand number of special-shaped corrugated paper boxes from user orders, and an order dividing module determines all-item orders with all specific specification item parameters determined; the alignment item orders are divided according to parameters of specific specification items to obtain initial order classes, the order merging module determines missing-item orders containing part of undetermined parameters of the specific specification items, the missing-item orders are merged with the initial order classes meeting the parameters of the specific specification items of the missing-item orders to obtain the production order set, the paperboard piece typesetting module is used for typesetting the paperboard pieces based on the production order set, the paperboard piece cutting device is used for cutting the paperboard pieces based on a typesetting result, and the special-shaped corrugated carton is obtained. According to the platform, on the premise that order requirements are guaranteed to be met, multi-order merging, typesetting and cutting production is achieved, the number of types of layouts is reduced, and the utilization rate of raw material paperboards during paperboard piece cutting is increased.

A kind of cornering positive displacement hydraulic unit that includes the hydraulic pump,the electrical motor, the driver and its fluid drive is the movement of a kind of double acting fluid drive oil production beam pumping unit. The basic configuration of the hydraulic unit is near to the paddle pump and the electrical motor, the fan component of the paddle pump and the electrical motor are replaced with a kind of bearing segment component, and it has the float side panel and the confess liquid static pressure bush bearing structure, and drives the rotator running through the bearing segment radial moving to and for in the cannel of the rotator and presses the treatment fluid or the pressure liquid, its structure is simple and failsafe. This beam pumping unit fulfills the conversation, the adjustment and the command of the driving stroke through the coordinated control system of the field chopper,the liquid, the electricity, the driving stroke can continually adjusted greatly, and its structure is simple, the cost is low,the range of use is extent.

The invention discloses a method for preparing a mosquito slow-release attractant. The method comprises the following steps: dissolving the following components by weight: 7-10 parts of 1-octen-3-ol, 2-5 parts of heptyl acetate and 6-9 parts of nonylacetate in an organic solvent with 100 parts in volume for later use; stirring 1000-7500 parts of polyatomic alcohol of which the molecular weight is less than 5000 for 60 minutes under the conditions that the temperature is 40-75 DEG C and the vacuum degree is -0.1Mpa; adding the solution for later use into the polyatomic alcohol; continuously stirring to be uniform under the conditions that the temperature is 40-75 DEG C and the vacuum degree is -0.1Mpa; adding 2500-10000 parts of isocyanate by weight; continuously stirring for 120 minutes; stopping stirring and vacuumizing to obtain the pasty mosquito slow-release attractant. With the adoption of the prepared mosquito slow-release attractant, culex pipiens pallens, aedes albopictus and other mosquitoes can be continuously effectively attracted with high attraction efficiency; the method is simple; the environment cannot be polluted by the raw materials; and the release speed is stable.

The invention discloses a similar material for simulating IV-grade and V-grade surrounding rocks in a cross-fault tunnel model test and a preparation method of the similar material. The method can be used for preparing surrounding rock similar materials with different similarity ratios for tunnel model tests, and IV-grade and V-grade surrounding rock similar materials for cross-fault tunnel model tests; only the four raw materials including the fly ash, the quartz sand, the bentonite and the water are adopted, the number of the materials is small, the materials are easy to obtain, the cost is low, and the materials are non-toxic and harmless, compared with similar materials adopting engine oil, barite powder and other raw materials, the materials are green and environmentally friendly, and the cost can be controlled in a large-scale model test; the physical and mechanical parameters of the surrounding rock similar material provided by the invention are wide in adaptation, and IV and V grade surrounding rock similar materials for most cross-fault tunnel model tests can be simulated; and the similar material is simple in preparation method, convenient to cast and form, easy in operation flow and stable in material property.

The invention discloses a vibration signal characteristic value selection method, which comprises the following steps: performing variance analysis on characteristic values of m * n groups of vibration signals, analyzing the relevance between the characteristic values and label values of vibration signal state labels, and performing primary coarse screening by deleting the characteristic values which are in low relevance with the label values; calculating a distance correlation coefficient of each characteristic value and other characteristic values to obtain a comprehensive distance correlation coefficient, performing characteristic value correlation analysis, and performing secondary coarse screening by deleting the characteristic value with the high comprehensive distance correlation coefficient; and performing eigenvalue matrix combination on the eigenvalues reserved by the second coarse screening, and performing recursive feature elimination based on the combined eigenvalue matrixto obtain an optimal eigenvalue combination. According to the vibration signal characteristic value selection method, the characteristic values of the vibration signal data can be effectively screened, the optimal characteristic value combination forming the mechanical equipment operation state vibration model is obtained, the dimensionality of the model is effectively reduced, calculation resources are saved, and the accuracy of the model is improved.

The invention relates to a modularized vehicle electric appliance box which comprises an insertion piece and a functional module part. The insertion piece comprises a flat-plate-shaped middle block with the wedge-shaped front face, and in the front view angle of the middle block, one end is a small end, and the other end is a large end. The two sides of the middle block extend in a Y shape to form a dovetail structure respectively. The small end of the middle block vertically extends to form a hanging part, and the top of the hanging part is provided with a clamping hook part; a half slot used for being connected with the other functional module component is formed in the side of each functional module component, and a pair of half slots are spliced into a slot which is similar to the middle block and the dovetail structure of the insertion piece in shape; and a matching part for clamping and fixing the clamping hook part is also arranged on the functional module part. Different modules can be designed according to different local structure requirements, so that the variety number of junction box products is reduced, the management difficulty is reduced, and the manufacturing cost is reduced.

The invention belongs to the field of devices for blood component separation, and relates to a double-layer-flow path integration device for a centrifugal bag type blood component separator. The integration device comprises an upper cover plate, a middle integration body and a lower cover plate from top to bottom, the middle integration body comprises an outer shell, the interior of the outer shell is partitioned into an upper layer and a lower layer by a middle partition plate, anticoagulant pipes, a brine pipe, a blood collection pipe, a blood return pipe, centrifugal pipes, plasma pipes, erythrocyte pipes, PRP pipes, blood platelet pipes, a whole blood pipe and mixing pipes are distributed on the upper layer and the lower layer, a plurality of connectors distributed in a two-layer mode are arranged on the periphery of the outer shell, and the connectors communicate with corresponding pipelines arranged in the upper layer and the lower layer. The integration device has the advantages that the structural design is reasonable, the pipeline structure is simple, in actual use, the number of parts which are required to be matched with the device for use is few, the safety is high, the damage rate is low, and the service life is long; and in the circulation process of blood, air is not prone to mixture, so that the damage probability of a blood donor is reduced.

The invention discloses a hydraulic cigarette cinder former. The former comprises a storage chamber, a delivery device, a discharging mechanism and a forming mechanism. The delivery device, the discharging mechanism and the forming mechanism of the hydraulic cigarette cinder former can cooperate to form multiple groups of finished products at one time, and the efficiency is high; a discharging hopper, a pressing head, a connecting pipe and a piston rod are adopted by the discharging device, conventional materials are simply used, no special material is used, the type and number of spare partscan be reduced, and therefore equipment manufacturing cost is greatly reduced; material is pressed into the connecting pipe by the pressing head, the pressing head cut the material conveniently, a pressing block with adjustable angle is adopted by the discharging mechanism to solve the problems of frequent blockage of a normal cigarette cinder former and difficult taking out of blocked material, the reliability of equipment is greatly improved, the existing problems of blockage, spare part fracturing and the like of the cigarette cinder former can be solved to meet demands of cigarette cinderforming of different materials of long and short plant sliver or dust, excessively dried or moisturized bulk materials and the like, and the adaptability of the hydraulic cigarette cinder former is wide.

The invention relates to a foursquare stroke input method which has the following characters: using the stroke of Chinese character's four angles as code fetching part and dividing them into the following parts: left hook, right hook, point, chief, intercross, vertical, left folding, right folding and blank. The Chinese character foursquare stroke input method is a fond code with the maximum code length at four. It inputs the stroke information of Chinese character's four angles into computer through keyboard. It uses the stroke of Chinese character's four angles as encoding base on the corresponding ten keys, then dose encoding input according to the order: left upper angle, right upper angle, left lower angle, right lower angle. All encoding parts have eleven types stroke, which is correspondent with ten keys.

When a player's card 10 is placed in a card placing area of an offensive side, a total value of offensive power shown on an offensive power display part 11 of a batter card and offensive power shown on an offensive power display part 11 of a player's card is obtained. On the other hand, when a player's card is placed in a card placing area of a defensive side, a total value of defensive power shown on a defensive power display part 12 of a pitcher card and defensive power shown on a defensive power display part 12 of the player's card is obtained. Next, the defensive side total value is subtracted from the offensive side total value displayed on a batter table 13 of the batter card to obtain a subtraction result value. The game can be performed according to the contents of game progress for the subtraction result value, thereby performing the baseball card game. There is provided the baseball game which can be advanced while suppressing the number of kinds in cards to the utmost and using cards evenly.

A stringed instrument case (2) comprises a case body (12) and a cover (13), wherein an internal member (20) made of a foam resin is arranged inside of the case body to form a storage hollow (21) allowing a stringed instrument (1) to be stored therein. A body fixing member (23) for fixing a body (3) of the stringed instrument at a prescribed position is arranged and adequately positioned in the storage hollow in response to the size of the body, and a neck fixing member (24) having a plurality of neck reception portions (36) each capable of receiving a tip end portion of a neck of the stringed instrument is arranged in the storage hollow with a prescribed distance apart from the body fixing member, wherein the neck fixing member can be adjusted in position in the longitudinal direction of the case body.

The invention belongs to the agricultural technology field and particularly relates to an organic rice planting method in hilly areas of the Sichuan Basin. The technologies of selecting high-quality disease-resistant varieties, dry seedbed seedlings, box cultivation, surface coating, triangular sparse cultivation, seedling transplanting and frequency-oscillation insecticidal lamp pest control areorganically integrated, through mulching films, the soil temperature in the early stage is improved, evaporation of the soil surface is reduced, release of nutrients from organic fertilizers is accelerated, the number and density of weed species are reduced, and diseases such as banded sclerotial blight and false smut are reduced; frequency-oscillation insecticidal lamps are utilized to control rice pests; triangular sparse cultivation can not only save seeds and seedlings, but also help to reduce competition between crops, improve the photosynthetic rate and coordinate rice individual and group conflicts; through box cultivation, the water-free layer on a box surface of box furrow irrigation has functions of water conservation and water use efficiency improvement. The method is advantagedin that main problems of organic rice production in the hilly areas of the Sichuan Basin are solved, and green yield increase is achieved.

The invention supplies a keyboard device for automatic performance, which reduces the incorrectness of the key drive due to the manufacturing error or time change. A hammer (HM) corresponding to each key (10) is collocated to link with the key (10); a driver (30) is set relatively to each hammer (HM). A projecting driven part, namely a bulge (25) is respectively set downwards at the front lateraland the rear lateral of the base (22) of the hammer (HM). The driver (30) is coiled with a solenoid (32) around the spool (31). The push rod (33) can move to and fro in the spool (31). The disc driving part (34) forms a whole at the upper part of the push rod (33). The upper surface of the driving part (34) forms a flat surface (34a). When the driver (30) drives the hammer (HM), the flat surface (34a) of the driving part (34) resists the top end (25a) of the projecting part (25).