37results about How to "Solve narrow problems" patented technology

The invention discloses a power generation and power consumption organizing method and device based on a peak regulation assistance service market. According to a daily delivery curve and peak regulation power consumption curves of a C-G direct trading contract submitted by a power consumer and declarations of wind power enterprises and thermal power generating units, a market clearing model containing power consumer peak regulation assistance is built, and after market clearing is conducted, the peak regulation power consumption curve of each low-ebb peak regulation period is obtained; finally, according to potential adjustable peak electric quantity of the thermal power generating units with the potential adjustable peak electric quantity and reduced abandoned wind electric quantity of the wind power generating units with the abandoned wind electric quantity being reduced, the problems that in an existing power consumer and electric generator set direct dealing mode, the customer lacks of participation in peak regulation assistance and the load peak regulation interruption involved range is narrow are solved. According to the method and the device, on the basis of conventional electricity market dealing, the power consumer can directly participate in the peak regulation assistance service market, the peak regulation potential of the consumer is stimulated, and the abandoned wind electric quantity of the whole power grid is reduced.

The invention relates to a polymer composition loaded with a sirolimus compound or its derivative. The composition can have diversified forms. A necessary link includes preparing the sirolimus compound or its derivative and a polymer carrier into a micelle. Then according to needs, the micelle can be further prepared into a freeze-dried composition by a freeze-drying technology, or the micelle and other polymer and carrier can be prepared into a solid or semi-solid preparation. The polymer composition can be used for treating tumors, reducing rejection reactions after organ and tissue transplantation, promoting cell regeneration and repair, preventing excessive scar tissue growth after injury and preventing vascular restenosis and blood coagulation embolism, treating or inhibiting autoimmune diseases, and treating or inhibiting inflammation, etc.

The invention relates to a receiving method for a pipe pusher obliquely entering a narrow receiving well in underground pipe pushing construction, which is characterized by comprising the following steps: after the pipe pusher is close to the receiving well, digging a hole door on the receiving well; making the front end of the pipe pusher partially enter the narrow receiving well by means of a power device at the rear end; and properly reinforcing an outer steel shell at the front end of the pipe pusher, detaching pipe pusher components connected with the steel shell of the pipe pusher and transporting the pipe pusher components away the receiving well; cutting off the outer steel shell of the pipe pusher in the receiving well, and hoisting the outer steel shell away the receiving well; and later, continuing the operations till the rest part of the pipe pusher fully enters the receiving well so as to finish the entering and receiving operation of the pipe pusher in the narrow receiving well. The receiving method has the advantage of solving the problem of narrow construction field; and meanwhile, only the steel shell of the pipe pusher is cut off section by section, but the core components inside the pipe pusher are completely reserved, and the components are reassembled after the steel shell is manufactured later to form the complete pipe pusher, so the method is economic.

The invention discloses a planar ultra wide band filtering antenna adopting a short circuit lead, comprising a double-sided PCB (printed circuit board), wherein the double-sided PCB comprises a PCB bottom layer structure and a PCB top layer structure, a gap is machined in the center of the PCB bottom layer structure, a floor and an emitter are respectively arranged at the left and right sides of the gap, and a pair of wedged structures used for generating a resonant mode to provide broadband matching is formed between the floor and the emitter; a feed circuit is arranged on the PCB top layer structure, the feed circuit consists of a 50-ohm micro-strip feeder line and a via hole, and the micro-strip feeder line is connected with the emitter through the via hole. The planar ultra wide band filtering antenna provided by the invention solves the problem that the frequency band of a traditional antenna is narrow, overcomes the disadvantages of large size and bad in-band and out-band features of certain ultra wide band antennas, and can meet the requirements on miniaturization and broadband.

The invention discloses an image neighbor optimization method of improving large-scale three-dimensional reconstruction efficiency. The image neighbor optimization method comprises steps that neighbor matching image pairs are acquired, and then the characteristic point matching of the image pairs is carried out; a fundamental matrix is used for geometric verification to eliminate error matching incapable of satisfying an epipolar constraint to acquire an interior point number, and a homography conversion rate is acquired by calculating a homography matrix; the changes of the directions and the dimensions of the matching characteristic points are counted to acquire a corresponding histogram; the similarity of the images is measured by three constraints, namely, the interior point number, the homography conversion rate, and the direction and dimension histogram, and redundant images are marked; the image pairs comprising the redundant images are eliminated, and narrow baseline image pairs are eliminated by the interior points and the homography conversion rate; and finally, image pair matching information after filtering is stored, and because the redundant image pairs and the narrow baseline image pairs are eliminated, the precision and the efficiency of the subsequent three-dimensional reconstruction are further improved.

The invention relates to the technical field of high-speed steel structure materials, in particular to a novel high-speed steel structure material and a preparation process thereof. Chemical components of the novel high-speed steel structure material are composed of, by weight, 0.15%-0.45% of Si, not larger than 0.03% of P, not larger than 0.03% of S, 1.15%-1.45% of W, 1.05%-1.15% of C, 8.90%-9.50% of Mo, 3.80%-4.25% of Cr, 1.25%-1.55% of V, 0.15%-0.40% of Mn, 2.75%-3.75% of Co, not larger than 0.25% of Ni, not larger than 0.30% of Cu and the balance Fe. The invention aims at providing the novel high-speed steel structure material and the preparation process of the novel high-speed steel structure material, the performance of the novel high-speed steel structure material can be equivalent to that of M42 steel, and the novel high-speed steel structure material can comprehensively replace imported M35 and domestic M42. Meanwhile, the problems that the traditional M42 steel needs a large quantity of the element Co and the thermal treatment temperature interval is narrow are solved, the yield in forging and thermal treatment production is increased, the content of the element Co is decreased to 3% from 8%, and in other words, protection of the state for precious metal resources is facilitated while cost is reduced. By means of the novel high-speed steel structure material and the preparation process, the defects that it is difficult to smash traditional M42 carbide particles and the grain size number is likely to be large are overcome, and grains and carbide are also refined.

The invention discloses a combined revetment combined with a near-term plan and a long-term plan. The combined revetment comprises a primary revetment body and a prefabricated secondary L-shaped revetment body, the prefabricated secondary L-shaped revetment body is formed by splicing a plurality of concrete prefabricated revetment sections, the two ends of the concrete prefabricated revetment sections are correspondingly provided with connecting convex teeth and connecting concave teeth which cooperate with each other, every two adjacent concrete prefabricated revetment sections of the prefabricated secondary L-shaped revetment body are connected through the corresponding connecting convex tooth and connecting concave tooth, the connecting convex teeth and the connecting concave teeth areconnected through bolts, rubber water stopping grooves are formed between the connecting convex teeth and the connecting concave teeth, water swelling rubber strips are arranged in groove openings, the joints between the connecting convex teeth and the connecting concave teeth are filled with low-foaming polyethylene plates, and single-component polyurethane sealants are adopted for sealing on theperipheral surfaces of deformation joints. The combined revetment can be implemented according to a planned watercourse blue line in the later period, or when the hydrophilicity requirement for a landscape needs to be improved, the secondary revetment body can be disassembled and reused, so that waste engineering is reduced, the construction difficulty is reduced, and the influence of construction on the surrounding environment is reduced.

The invention discloses a high-voltage power-frequency AC voltage-withstanding system mobile measurement device, which comprises a current-limiting resistor and a measurement mechanism, wherein one end of the current-limiting resistor is provided with a conductive column contacted with a test transformer and the other end is provided with a connection seat; the top end of the measurement mechanism is provided with a contact seat in contact conduction with the connection seat; the current-limiting resistor is supported by a supporting table; the supporting table is fixed on a mobile base via a lifting mechanism; and the bottom end of the measurement mechanism is fixed on a lateral movement mechanism, and the lateral movement mechanism is arranged on the mobile base. The current-limiting resistor and a capacitive voltage divider of the system are arranged on an electric vehicle frame to form a platform, the height of the platform is adjustable, electric movement can be realized conveniently and quickly, forward and backward operation is simple and convenient, the system is movable, and hall space is optimized to the largest degree; and the platform can realize quick and accurate positioning of the current-limiting resistor connection part and the test transformer connection part, and a large amount of manpower is saved.

The invention discloses a broadband circularly polarized microstrip antenna array and relates to the technical field of antennae. The broadband circularly polarized microstrip antenna array comprises a plurality of antenna units, a main feed unit, a feed unit 1, a feed unit 2, a feed unit 3, a dielectric substrate and a stratum II, wherein the antenna units include an antenna unit 1, an antenna unit 2, an antenna 3 and an antenna unit 4 which are all the same and are same in interval; the adjacent antenna units are rotated for 90 degrees in sequence in direction; feed signal amplitudes of the antenna units are the same, and phase differences of the antenna units are 0 degree, -90 degrees, -180 degrees and -270 degrees in sequence; the main feed unit is connected with the feed unit 1, the feed unit 2 and the feed unit 3 of branches; the feed unit 1, the feed unit 2 and the feed unit 3 are connected with the antenna unit 1, the antenna unit 2 and the antenna unit 3 in sequence; and the main feed unit is connected with the antenna unit 4.

The invention belongs to the technical field of pesticides, and particularly discloses a weeding composition containing cloransulam methyl and imazamox. The weeding composition containing cloransulam methyl and imazamox comprises effective constituents including cloransulam methyl and imazamox, wherein the weight ratio of the cloransulam methyl to imazamox is 4:(0.2-20). The weeding composition containing cloransulam methyl and imazamox has the beneficial effects that grassy weeds and broad-leaf weeds can be removed, the problem that the herbicide controlling spectrum of the cloransulam methyl and imazamox single dosage is narrow in soybean fields is solved, the weeding effect can be effectively improved, the herbicide controlling spectrum is enlarged, the drug resistance of weeds is lowered, the cost and pesticide amount are reduced, and the environmental pollution is reduced. The weeding composition is mainly applied to preventing and treating weeds in soybean fields.

The invention belongs to the technical field of nickel-base monocrystal high temperature alloy preparation, and relates to a method of determining a homogenization / solid solution heat treatment institution of nickel-base monocrystal high temperature alloy. The method comprises the steps that the first-stage homogenization / solid solution heat treatment temperature is determined; the highest-stage homogenization / solid solution heat treatment temperature is determined; the intermediate-stage homogenization / solid solution heat treatment temperature is determined; and the homogenization / solid solution heat treatment institution is determined. When the method is used, the alloy can be subjected to homogenization / solid solution heat treatment at the temperature higher than the cast-state initialmelting temperature, and no initial melting defect is generated. Meanwhile, due to the fact that the higher homogenization / solid solution heat treatment temperature is adopted, the better homogenization effect can be obtained in the short homogenization / solid solution heat treatment period, no initial melting defect is generated, and then the problems that due to the fact that the contents of high-melting-point elements are high, dendritic segregation of the elements is serious, a homogenization / solid solution heat treatment window is small, and the homogenization difficulty is high are effectively solved.

The invention discloses a broadband circular-polarized microstrip antenna and relates to the technical field of antennas. The broadband circular-polarized microstrip antenna comprises first and second radiation units, first and second H-shaped grooves, first and second feeding units, a 90-degree phase-shift power-division network, a load, a grounding through hole, a welding pad, first, second and third dielectric substrates, and an air dielectric layer, wherein the first and second radiation units are respectively attached to the upper surfaces of the first and second dielectric substrates, the air dielectric layer is arranged between the first and second dielectric substrates which are support by gaskets, a ground layer is attached between the second and third dielectric substrates, the first and second feeding units are attached to the lower surface of the third dielectric substrate, the first and second H-shaped grooves are arranged in the ground layer, the input port of the 90-degree phase-shift power-division network is an antenna port, the output port of the 90-degree phase-shift power-division network is respectively connected with the first and second feeding units and the load, the load is connected with the ground layer via the welding pad and the grounding through hole, and the 90-degree phase-shift power-division network divides one path of signals into two paths of signals with equal amplitude and 90-degree phase difference.

The invention discloses an arc-shaped vibrating diaphragm and an air kinetic energy loudspeaker with the vibrating diaphragm. The cross section of the formed vibrating diaphragm is in the shape of an arc, and a circuit is arranged on the vibrating diaphragm. The air kinetic energy loudspeaker with the vibrating diaphragm comprises a shell in which a magnet frame, the vibrating diaphragm and two vibrating diaphragm frames at the two ends of the vibrating diaphragm are installed, the upper end and the lower end of the vibrating diaphragm are fixed to the vibrating diaphragm frames respectively, and the left end and the right end of the vibrating diaphragm are fixed to the magnet frame which is provided with a plurality of permanent magnets arranged in the height direction of the vibrating diaphragm. The air kinetic energy loudspeaker with the vibrating diaphragm has the advantages that sound radiation is uniform, a sound field is wide, an expansion angle is large, a spreading diameter is large, sound energy density in a treble is large, a frequency response range is wide, and sensitivity and efficiency are high.

The present invention provides a temperature detection circuit, comprising: a controllable current source module, a current source adjusting module, a thermistor and an ADC module, wherein the controllable current source module is provided with a plurality of current gears, the current of one gear is output under the control of the current source adjusting module, and a detection voltage signal isgenerated on the thermistor by the current; the current source adjusting module is used for outputting a control signal according to the detection voltage signal to control the controllable current source module to output the current of one of the plurality of current gears, so that the detection voltage signal meets the input range of the ADC module; and the ADC module is used for reversely deducing the temperature according to the detection voltage signal when the detection voltage signal meets the input range. The temperature detection circuit of the invention can enlarge the temperature detection range.

The invention discloses a high-voltage power-frequency AC voltage-withstanding system measuring platform comprising a current-limiting resistor and a measuring mechanism. One end of the current-limiting resistor is equipped with a conductive pole in contact with a test transformer. The other end of the current-limiting resistor is equipped with a connecting seat. The top of the measuring mechanism is equipped with a contact seat in contact and conductive with the connecting seat. The current-limiting resistor is supported by a support table. The support table is fixed to a mobile pedestal through an elevating mechanism. The bottom of the elevating mechanism is fixed to a lateral movement mechanism installed on the mobile pedestal. The current-limiting resistor and a capacitive voltage divider are installed on an electric vehicle frame to form a platform. The platform is adjustable in height, can be conveniently, rapidly, and electrically moved, is simple and convenient in forward and backward operation, achieves the mobility of the system, and optimizes the hall space to the utmost extent. Further, the platform may fast and accurately position a current-limiting resistor connecting part and a test transformer connecting part and saves a plenty of manpower.

The invention discloses a ultralarge section inclined single-pile foundation construction process based on a vertical lifting system. A constructed ultralarge section inclined single-pile foundation is a reinforced concrete pile, and is provided with a reinforcement cage inside; the ultralarge section inclined single-pile foundation is constructed by the following steps: (1) the advance support construction is performed for a pipe roof; (2) hole opening protection: a hole opening support structure is constructed in a hole opening of a pile hole; (3) the vertical lifting system is installed; (4) the excavation, the slag discharge and the support construction are performed for the pile hole. The pile hole is excavated by multiple construction sections from top to bottom through a full-section excavation method; the slag discharge is synchronized in the excavation process; and the wall protection construction is respectively performed for pile hole sections excavated by all the construction sections; and (5) pile body construction: the reinforcement cage is bound and concrete is filled. The process is simple in steps, reasonable in design, low in investment cost, convenient for construction and excellent in use effect, can simply and quickly finish the construction process of the ultralarge section inclined single-pile foundation, and is easy to control the construction process.

The invention provides an intelligent dining cabinet and a control method thereof, relating to the technical field of storage equipment, comprising a cabinet body, a controller, a notification key, aplurality of storage compartments, a plurality of compartment doors and a plurality of electric control locks, wherein the back of the cabinet body is an open food matching mouth; the storage compartment is arranged in the interior of the cabinet, and the compartment door and the electric control lock are installed on the storage compartment to form a dining box capable of independently locking; the controller is connected with the electronic control lock and the notification key; and the controller is integrated with a wireless communication module. The dining cabinet simplifies the dining process, facilitates customers to take meals, and improves the service quality of the restaurant.

The invention discloses a broadband circularly polarized microstrip antenna array, relating to the technical field of antennas. The array comprises a plurality of antenna units, a main feeding unit, afeeding unit 1, a feeding unit 2, a feeding unit 3, a dielectric substrate and a ground layer II. Each antenna unit comprises an antenna unit 1, an antenna unit 2, an antenna unit 3 and an antenna unit 4 which are all identical and have the same distances therebetween, the adjacent antenna units are rotated for 90 degrees in order in the direction, the feed signals of the antenna units are the same in the amplitude, and the phase differences of the antenna units are 0 degree, -90 degrees, -180 degrees and -270 degrees respectively, the main feeding unit is connected with the feed unit 1, thefeed unit 2 and the feed unit 3 of the branch, the feed unit 1, the feed unit 2 and the feed unit 3 are connected with the antenna unit 1, the antenna unit 2 and the antenna unit 3 in order, and the main feeding unit is connected with the antenna unit 4.

The invention discloses that the invention discloses a mobile measuring device for a high-voltage power frequency AC withstand voltage system, which includes a current-limiting resistor and a measuring mechanism. One end of the current-limiting resistor is provided with a conductive column in contact with the test transformer, and the other end is provided with a connecting seat. , the top of the measuring mechanism is provided with a conductive contact seat in contact with the connecting seat, the current limiting resistor is supported by a supporting platform, and the supporting platform is fixed on the mobile base through a lifting mechanism, and the bottom of the measuring mechanism is The end is fixed on the lateral movement mechanism, and the lateral movement mechanism is installed on the mobile base. The current-limiting resistor and capacitor voltage divider of the system are installed on the electric vehicle frame to form a platform. The height of the platform can be adjusted, which can realize electric movement conveniently and quickly. The forward and backward operation is simple and convenient, realizing the mobility of the system. The space has been optimized to the greatest extent; at the same time, the platform can realize the fast and accurate positioning of the connection part of the current limiting resistor and the connection part of the test transformer, saving a lot of manpower.

The invention discloses an excavation and mucking construction process for a tilting type superlarge-section single-pile foundation. The process comprises the steps of firstly, advanced pipe shed support construction; secondly, hole mouth protection, i.e., a hole mouth support structure is constructed at a hole mouth of a pile hole; thirdly, installation of a mucking device at the hole mouth, i.e., the mucking device is installed outside the hole mouth of the pile hole and comprises a left longitudinal travelling frame, a right longitudinal travelling frame, a transverse travelling frame capable of horizontally moving on the two longitudinal travelling frames front and back, a hoisting device capable of horizontally moving on the transverse travelling frame left and right, and a mucking hopper hoisted below the hoisting device through a rope; and fourthly, pile hole excavation and mucking construction, i.e., a full section excavation method is adopted for the pile hole excavation with a plurality of construction segments arranged from top to bottom, and the mucking device is used for mucking synchronously in the excavation process of each construction segment. The excavation and mucking construction process for the tilting type superlarge-section single-pile foundation is easy in step, reasonable in design, low in investment cost, simple and easy to construct, good in use effect and capable of easily and fast completing the excavation and mucking construction process of the tilting type superlarge-section single-pile foundation, and the construction process is safe and easy to control.

The invention discloses a planar ultra wide band filtering antenna adopting a short circuit lead, comprising a double-sided PCB (printed circuit board), wherein the double-sided PCB comprises a PCB bottom layer structure and a PCB top layer structure, a gap is machined in the center of the PCB bottom layer structure, a floor and an emitter are respectively arranged at the left and right sides of the gap, and a pair of wedged structures used for generating a resonant mode to provide broadband matching is formed between the floor and the emitter; a feed circuit is arranged on the PCB top layer structure, the feed circuit consists of a 50-ohm micro-strip feeder line and a via hole, and the micro-strip feeder line is connected with the emitter through the via hole. The planar ultra wide band filtering antenna provided by the invention solves the problem that the frequency band of a traditional antenna is narrow, overcomes the disadvantages of large size and bad in-band and out-band features of certain ultra wide band antennas, and can meet the requirements on miniaturization and broadband.

The invention provides a temperature detection circuit, including: a controllable current source module, a current source adjustment module, a thermistor and an ADC module, wherein the controllable current source module has multiple current gears, and the control of the current source adjustment module Output the current of one of the gears, and the current generates a detection voltage signal on the thermistor; the current source adjustment module is used to output the control signal according to the detection voltage signal to control the controllable current source module to output multiple current gears The current of one of the stalls makes the detection voltage signal meet the input range of the ADC module; the ADC module is used to deduce the temperature according to the detection voltage signal when the detection voltage signal meets the input range. The invention can expand the temperature detection range.