83 results about "Feeding problems" patented technology

Disclosed is an electrocatalyst for fuel cells, in which a porous carbon material including pores having a diameter smaller than a kinetic diameter of carbon monoxide is used as a support body and contact probability between an activated metal and carbon monoxide is decreased, thereby preventing fuel cell performance from being degraded by carbon monoxide. The electrocatalyst is obtained by adsorbing 10-80 parts by weight of an activated metal to 20-90 parts by weight of a porous support body, characterized in that the porous support body has a total surface area of 200-2,500 m<2>/g including an outer surface thereof and an inner surface of pores thereof, and has a plurality of pores penetrating into an interior of the support body with an average diameter of 2-15 nm and a total volume of 0.4-2.0 m<3>/g, and the activated metal is alloyed with 20-95 at % of platinum and 5-80 at % of one metal selected from among Ru, Sn, Os, Rh, Ir, Pd, V, Cr, Co, Ni, Fe and Mn. As for such an electrocatalyst, carbon monoxide does not fundamentally come in contact with the activated metal adsorbed to the inner surface of the pores of the support body, thereby minimizing degradation of fuel cell performance, thus overcoming fuel-feeding problems.

The invention provides an on-chip antenna test device. An adjusting mechanism is arranged on a probe bench pedestal and is formed by X, Y, and Z mobile platforms. Antennas on an antenna chip-bearing bench are precisely positioned via a CCD telescope and the adjusting mechanism. A probe support performs feeding for the on-chip antennas. Via the rotation of a low-position axis and a polarization axis, matching for polarization of a receiving antenna and an emission antenna is performed. If the polarization of the receiving and emission antennas is matched, full-directional data acquisition in 0-360 DEG is performed via a rotation shaft. In the low-direction axis, a direct-current servo motor drives a synchronous tooth belt wheel which drives a turbine worm. The turbine worm drives a straight gear which drives a sliding guide rail. According to the invention, a feeding problem of the antennas is solved; the test device is provided with front and back testing ability of the antenna; effects of interference on antennas of a traditional bench body are reduced; and testing functions of holographic stereoscopic directional diagram of a to-be-tested antenna is achieved.

The invention discloses a method for applying a BIM and a 3D printing technology to construction. The method comprises the following steps: 1) establishing a three-dimensional building information model; 2) deriving the three-dimensional building information model in the format of dwf, opening the three-dimensional building information model through Navisworks, using Navisworks software to render the three-dimensional building information model, and examining rationality of spatial arrangement of a building through roaming; 3) after the rationality of the three-dimensional building information model is determined, connecting a 3D printer, and printing a needed model; 4) causing project participators to examine rationality of the printed model and timely feed problems back to model establishing engineers, and causing the professional engineers to adjust the model according to modifications given by a design institute, so that the building use rationality is guaranteed and the problems are obtained at an earlier construction stage. By combining the BIM and the 3D printing technology, the control on a construction process is reinforced, building usability and quality are improved, and the cost is reduced. The communication effect is improved through the method.

The invention discloses a feeding robot gripper for a rod material. The feeding robot gripper comprises a base, a sliding block assembly, a first gripper finger, a first connecting rod, a second gripper finger and a second connecting rod. The sliding block assembly is slidably assembled on the base. The front portion of the first gripper finger is a first gripping part. The middle of the first gripper finger is hinged to the base. One end of the first connecting rod is hinged to the sliding block assembly, and the other end of the first connecting rod is hinged to the back portion of the first gripper finger. The front portion of the second gripper finger is a second gripping part. The middle of the second gripper finger is hinged to the base. One end of the second connecting rod is hinged to the sliding block assembly, and the other end of the second connecting rod is hinged to the back portion of the second gripper finger. The sliding block assembly acts on the base, so that the first gripping part of the first gripper finger and the second gripping part of the second gripper finger move in the opposite direction or in the backward direction. According to the feeding robot gripper for the rod material, the feeding problem of the rod material can be effectively solved; and in addition, the structure is simple, the time and effort are saved, the worker safety is protected, and the production cost is reduced.

The invention relates to a sonar technology-based large water body pneumatic intelligent feeding system. The sonar technology-based large water body pneumatic intelligent feeding system has the characteristics that by adopting a pneumatic transport mode, the breakage rate of a fee can be reduced; and meanwhile, a delivery pipe can be put at any position of a culture pond according to the actual requirements, transportation can be changed into multipath transportation according to the design principle, feeding can be carried out in a feedback manner and real-time detection is carried out on the feed conversion rate, so that unnecessary labor cost is avoided to a great extent, the bait utilization rate is improved and a technical support is provided for welfare growth in cultivation of aquatic organisms. The sonar technology-based large water body pneumatic intelligent feeding system is simple and convenient to operate, can be connected to a network for remote online operation, the feeding problem in a large water body culture process is effectively solved, and the feed conversion rate is improved while the production cost is reduced.

The invention discloses a monopole antenna array generating vortex electromagnetic waves and a feed system of the antenna array, and belongs to the technical field of wireless communication. The monopole antenna array comprises a dielectric substrate, a grounding surface, a feed system and a monopole array antenna body. The dielectric substrate is circular and insulated, a microstrip circuit printed by a metal material is arranged on the dielectric substrate, the microstrip circuit mainly comprises the 1-to-N path feed system and the monopole array antenna body including N array elements, and 1/4 wavelength metal patches serves as the array elements. According to the invention, a vortex electromagnetic wave generating antenna of a planar structure and small in size and easy to produce and integrate is realized. The complete feed system is designed to solve the feed problems of the array antenna, a required OAM mode can be obtained by only applying excitation to an input port, operation is convenient, and use is simple.

The present invention relates to a productive technology of environment-friendly type solid welding wires without copper facing. The productive technology of environment-friendly type solid welding wires without copper facing includes the steps as follows: a washing process for raw materials of the solid wires off-line by using hydrochloric acid as a washing agent; a drawing process; and a no-coppering process. The no-coppering process includes a phytic acid treatment step and a post-treatment step. A phytic acid solution is used for treating during the phytic acid treatment process, and the temperature of the phytic acid solution is not less than 75 DEG C; and a kind of membrane-firming lubricating oil is coated on the surface of the aired solid welding wires during the post-treatment process. The productive technology of environment-friendly type solid welding wires without copper facing can thoroughly solve a copper pollution problem during the production and application processes of welding wires with copper facing; and has a lower production cost, less processes, less land occupation and lower cost of equipment investment and maintenance than the production technology of welding wires with copper facing. The environmental-friendly solid welding wires without copper facing has a smooth surface; the wire feeding property of the welding wires is more stable; the wire feeding problem caused by dropped copper layers and the like does not occur during the application process, the surface of the welding wire is more smooth and the wire feeding resistance is reduced; and the environmental-friendly solid welding wires without copper facing can be produced in bulk.

The invention discloses an electric automobile storage battery charging system. A VCU, a BMS, a high voltage battery pack and a storage battery are arranged on an electric automobile; the VCU communicates with the BMS through a CAN bus; the BMS outputs a control signal to the high voltage battery pack; the VCU receives a voltage signal of the storage battery; the VCU communicates with a DC-DC converter through a CAN bus; and the high voltage battery pack charges the storage battery through the DC-DC converter. The electric automobile storage battery charging system has the advantages that thestructure is simple and reasonable, the operation is stable and reliable and a feed problem of the storage battery caused by long-time parking of the electric automobile can be effectively solved.

The invention discloses an artificial compound feed for perca fluviatilis. The artificial compound feed comprises the following components in percentage by weight: 8.0 to 51.5 percent of fish meal, 1.00 percent of fish oil, 1.00 percent of corn oil, 0.24 percent of choline chloride, 1.1 percent of vitamin premix, 1.9 percent of inorganic salt premix, 0.55 percent of calcium dihydrogen phosphate, 0.18 percent of lysine, 0.45 percent of methionine, 8.2 to 15.46 percent of bran, 21.2 to 26.6 percent of wheat middling, 6.01 to 12.82 percent of rapeseed dregs, 0.88 to 2.65 percent of globin powder, 14.87 to 16.79 percent of bean pulp, 10.23 to 12.47 percent of cottonseed pulp and 2.5 to 5.8 percent of yeast; and the components are puffed into a floating granular feed by a conventional method. The invention also discloses a perca fluviatilis feeding method. According to a culture mode of mainly feeding the perca fluviatilis and matching carp, bighead carp, silver carp, tincaeus, grass carp and pelteobagrus fulvidraco Richardson, the perca fluviatilis can be completely domesticated to take the compound feed in 7 to 15 days by adopting the compound feed and a unique intake domesticating method; the feed problem is solved, the water layer and the bait resource of a culture water area are fully utilized, and the growth speed and the yield of the perca fluviatilis are improved; and the compound feed can be used for large-scale culture of the perca fluviatilis.

The invention discloses an automatic feeding device for cattle and sheep breeding, which comprises a base. The two sides of the top of the base are respectively fixedly connected with a mullion and a supporting column. A horizontal bar is fixedly connected between them, a motor 1 is fixedly connected to the bottom of the inner wall of the mullion, and a pulley 1 is fixedly connected to the rotating shaft of the motor 1, and the pulley 1 is connected to a pulley 2 through a belt transmission. The present invention relates to cattle and sheep breeding technology field. The automatic feeding device for cattle and sheep breeding achieves the purpose of automatic fixed-point and quantitative feeding. Through the intermittent rotation of the screw rod, the intermittent movement of the slider is realized to complete the fixed-point feeding. Through the timing opening and closing of the baffle, the quantitative feeding is completed. , which greatly reduces the workload of the breeders, solves the problem of feeding in large-scale breeding, and can complete more feeding work for cattle and sheep through one device, without installing too many devices, reducing costs.

The invention discloses a remote pet feeder based on GPRS (general packet radio service), comprising a food storage barrel and a food bowl, wherein a movable door is arranged at the bottom of the food storage barrel, the position of the movable door is connected with a slide rail, the food storage barrel is connected with the food bowl through the slide rail, the remote pet feeder also comprises a power supply, a GPRS module, a singlechip microcomputer, a motor driving chip and a step motor, which are arranged on the food storage barrel, wherein the power supply is used for supplying power; the GPRS module is connected with the singlechip microcomputer, the motor driving chip and the step motor in sequence; the step motor is connected with the movable door of the food storage barrel; and the step motor rotates to drive the movable door of the food storage barrel to open or close. The remote pet feeder is remotely controlled by an owner to timely supply food for the pet on schedule, the feeding times and food amount for the pet are reasonably controlled, the irregular feeding of the pet is avoided, the remote control is realized conveniently, the feeding problem of the pet when people go out is solved, and the remote pet feeder based on GPRS can be well used by a user.

A silkworm breeding method includes the steps of breeding place selection and building, incubation of silkworm eggs, newly-hatched silkworm collection as well as spinning and cocooning management. The method further includes breeding of silkworms of 1-3 instar and breeding of silkworms of 4-5 instar. According to the silkworm breeding method, the breeding environment is strictly controlled in the growth and development stages of the silkworms, and due to the fact that silkworm larvae are poor in resistance and limited in disease resistance, the feed is carefully prepared, mulberry leaves are subjected to high-temperature steam treatment to reduce diseases caused by feed problems, and a certain amount of fermentation broth is added to the feed for feeding big silkworms of 4-5 instar to effectively increase feed intake of the silkworms and ensure yield and quality of silk.

The drum mechanism includes two coaxial cage drums with cavity filled with steel balls and opposite openings, one fixing ring between two drums, one rotating distributing disc inside the fixing ring, and one tunnel aiming at the opening over the fixing ring. The distributing disc is used to distribute steel slag, and after each slag pouring, no residual steel slag remains in the distributing disc and this solves the feeding problem of steel slag with different viscosity.

The invention relates to an antenna oscillator assembly, an antenna and a piece of communication equipment. The oscillator assembly comprises a cross sector intersecting oscillator, a support feed assembly, a ground plate and a polarization isolation power dividing device. The cross sector intersecting oscillator is fixed on the top of the support feed assembly. The bottom of the support feed assembly is fixed on the center of the ground plate. The polarization isolation power dividing device is arranged on the central position of the ground plate back side. The cross sector intersecting oscillator is connected with the polarization isolation power dividing device through a coaxial supply line inside the support feed assembly. The antenna oscillator assembly which is no longer dependent on microwave dielectric plates solves the multi-frequency wideband circular polarization feed problem. Meanwhile, by forming the cross sector intersecting oscillator and adjusting the height of the cross sector intersecting oscillator away from the ground plate, the antenna oscillator assembly achieves more flexible directional diagram control and optimized circular polarization characteristics. By means of the polarization isolation power dividing device, the antenna oscillator assembly can make de-rotation multipath signals suppressed. The antenna oscillator assembly which has the characteristics of wideband, low consumption and high efficiency can make the volume, the weight and the cost of the antenna obviously reduced.

The invention discloses a method for feeding sheep with the seeds of seepweed which is a halophyte and relates to livestock fodder. The method solves the feeding problems of the addition range of seepweed seeds and the best addition in the daily fodder of sheep. According to the weight proportion, the addition of seepweed seeds in the daily fodder of sheep is 15 to 45 percent and other ingredients in the daily fodder of sheep are 14.2 to 16.2 percent of corn, 3.3 to 5.3 percent of bean cake, 0.5 percent of mineral matters and vitamins and 35 to 65 percent of guinea grass. On the basis of promoting the digestion rate of the fodder, the method ensures that the high-salt ingredients of the seepweed seeds do not affect the rumen fermentation of ruminants and animal health, so as to increase the growth rate of sheep, improve the transformation rate of fodder and develop the utilization value of halophytes. By adopting the method, the growth rate of sheep can be increased by 15 to 20 percent; the organism digestion rate of daily fodder can be increased by 4 to 9 percent and the addition of seed-cake fodder can be reduced by 10 to 45 percent; therefore, the method has great economic and biological benefits.

The invention provides a feed for young tussah and a method for preparing the feed. The preparation method comprises the steps of dewaxing and then freeze-drying oak leaves. The washed oak leaves are dewaxed by an acorn powder, immersed into ozone for disinfection for 10-20 minutes, freeze-dried and put away in aseptic condition for vacuum and sealed preservation, away from light. When recovering, the prepared oak leaves are immersed into 10-18 DEG C purified water for recovery for 2-3 hours and taken out when rehydration rate of the oak leaves arrives above 80%, with surface moisture drainedoff. The invention solves the substituted feed problem for early culture of spring silkworms in China northeast tussah stocking area, and has the advantages of simple operation, good growth and low morbidity of the young silkworms, high feeding rate, low cost, etc.

The invention provides an artificial feed for scotogramma trifolii. The artificial feed for the scotogramma trifolii comprises the following components by weight percentage: 0.8-1.2 percent of agar, 0.06-0.09 percent of sorbic acid, 1.8-2.8 percent of beer yeast, 5.0-7.5 percent of soybean meal, 5.0-7.5 percent of corn flour, 14-17 percent of tomato sauce, 0.07-0.09 percent of compound vitamin B,0.2-0.3 percent of ascorbic acid (Victoria C), 0.1-0.2 percent of ethyl p-hydroxybenzoate, 0.2-0.3 percent of propionic acid and 64-71 percent of water. The invention also provides a preparation method and applications of the artificial feed. The preparation method of the artificial feed is low in cost, easy to operate and high in practicality; the artificial feed provides necessary conditions for scale production of the scotogramma trifolii, relieves the pollution caused by feeding with a natural feed and solves the anniversary and subculture feeding problems of the scotogramma trifolii; anda foundation for providing insect sources with the same physiological indexes for a further biological, genetic and toxicological research is laid.

The present invention belongs to the antenna field, more specifically, relates to a common-caliber antenna formed by a waveguide antenna and a micro-strip antenna. The antenna comprises a waveguide antenna, a micro-strip antenna and a reflection baseboard, the micro-strip antenna and the waveguide antenna are respectively fixed at the upper side and the lower side of the reflection baseboard, and the reflection baseboard is provided with a waveguide antenna radiation gap. A plurality of waveguide micro-strip common-caliber antenna units are arranged side by side and combined to form an antenna array. The common-caliber antenna employs a ridge waveguide leaky antenna and a micro-strip antenna to form the common-caliber antenna, the reflection baseboard is provided with a choke groove, and the micro-strip antenna employs a back-to-back coaxial feed mode so as to eliminate the bad influence between the waveguide antenna and the micro-strip antenna and solve the integration feed problem, and therefore the reasonable layout design of the common-caliber antenna realizes the broadband wide-angle scanning capability.

The invention relates to a predacious mite feeding method by utilizing alternative preys, spider mites and thrips. The method is characterized in that in the process of feeding predacious mites through the alternative preys, the spider mites and thrips are added into a predacious mite feeding container once per week, and the spider mites and thrips are pure preys without any mediums and can by used independently or in a mixed manner. By the aid of the method, the large amount feeding problem of the spider mites and thrips can be solved, and the simple collecting method of the spider mites and thrips can be further provided. Even though the method is more complex in operation and higher in cost as compared with those of utilizing the alternative preys for feeding independently, according to the predacious mites produced by the method, the identification of the spider mites and thrips by the predacious mites is benefited, and the product quality of the predacious mites can be improved.

Card printing apparatus, for example, for printing identification cards, pass cards and the like generally comes with a relatively restricted size card input hopper. The number of cards that can be processed in a single operation is accordingly limited. The capacity for a single run of card printing can be materially increased without leading to card feed problems because of the increased pressure at the bottom of a stack of cards by arranging that at least part of the in-feed hopper is inclined away from the vertical. In order to maintain the footprint of the printer relatively small, the hopper preferably has two vertical sections and an intermediate inclined section.

The present invention belongs to the microwave technology field, in particular to a series feed network from a rectangular waveguide to a ridge waveguide. The series feed network comprises a plurality of ridge waveguide tubes and a rectangular waveguide power divider, and a common wall is formed between the ridge waveguides and the rectangular waveguide power divider and is equipped with an S-shaped gap used for communicating the ridge waveguides and the rectangular waveguide power divider. According to the present invention, by an electromagnetic coupling mode of the S-shaped gap, a feed problem of the rectangular waveguide power divider to the series ridge waveguides is solved.

The invention relates to a manufacture method of ham sausage type silkworm feed. The method comprises the following steps that: 1) soybean flour, mulberry green branch powder, starch, vitamin C, compound vitamin B, inorganic salt, citric acid, crotonic acid, choline chloride and the like are placed into mulberry leaf powder to be stirred to the uniformly mixed state, and dry powdery feed is obtained; 2) water is added into the dry powdery feed obtained in the first step, the materials are continuously stirred until the materials are uniformly mixed, and mixed feed is obtained; and 3) the mixed feed obtained in the second step is sequentially subjected to filling, buckling and steam boiling, then, the steamed and boiled feed is placed into cold water to be soaked, then, the feed is cleanly flushed, and the ham sausage type silkworm feed is obtained. When the manufacture method provided by the invention is adopted, the feed ham sausage type silkworm feed problem is solved, and the long-distance transportation problem is also solved.

The invention discloses a remotely controllable pet feeder, relates to the intelligent household field, and aims to solve the feeding problems when a pet owner is not home; the remotely controllable pet feeder allows the owner to remotely feed the pet, and comprises a material container, a leak switch, and a feeding container; the material container is arranged above the feeding container, and an opening thereof faces to and aims at the feeding container; the leak switch is arranged on the opening of the material container, and is controlled by radio signals.