296results about How to "Increase the absorption area" patented technology

The invention relates to a solar photovoltaic energy conversion apparatus. The apparatus consists of a substrate, a buffer layer formed on the substrate layer, a first transparent conductive oxide layer formed on the buffer layer, periodic protrusions containing first silicon layers formed on the first transparent conductive oxide layer, second silicon layers formed on the first silicon layers, a second transparent conductive oxide layer covering the first silicon layers, the second silicon layers and the first transparent conductive oxide layer, and an anti-reflective protective layer. The first silicon layer and the second silicon layer are the electrodes with the opposite type of charge carriers. The first transparent conductive layer and the second transparent conductive layer are the electrodes with the opposite type of charge carriers. This TCO-based hybrid solar photovoltaic energy conversion device not only can allow the transmission of visible sunlight but also can enhance the photovoltaic energy.

The invention discloses a mixer feeding device with a dustproof function. The mixer feeding device comprises a dustproof plate, a fan, a dust suction cover, a smashing motor and a feeding cabin. After materials pass through the dustproof plate, the dustproof plate can be tightly attached again under elastic force action of a return spring; thus, environmental pollution caused by dust fly is effectively prevented; a fan is utilized to suck dust floating in air into a dust collection box by a dust suction pipe, and the dust suction cover is arranged to be used for increasing a dust suction area to further improve a dust collection effect and efficiency; environmental pollution caused by dust is further prevented; rotation of the smashing motor is utilized to further drive a smashing blade on a smashing rotation shaft to rotate to smash the materials entering a smashing cabin; the feeding cabin is arranged to achieve a buffer effect and further enable the materials to fall down slowly after passing through the feeding cabin; the materials are prevented from directly falling into the bottom of a following stirring device and affecting a material stirring effect; equipment practicability is further improved.

The invention provides an application of arbuscular mycorrhizal fungi (AMF) in enhancement of growth and capability of heavy metal absorption from soil of black nightshade and a method of enhancing cadmium absorption of black nightshade from soil by utilization of the arbuscular mycorrhizal fungi. A cadmium (Cd) hyperaccumulating plant black nightshade is adopted as an experiment plant, the AMF is adopted as an Inoculant, the Cd hyperaccumulating plant black nightshade and the AMF capable of promoting plant growth are combined, and the AMF can enhance growth and capability of cadmium absorption from soil of the black nightshade, thus increasing the remediation efficiency of the black nightshade for Cd-contaminated soil. Compared with traditional chemical and agricultural measures, the method has characteristics of good treatment effects, no secondary pollution, low operation cost, and the like, and has good theoretical and application popularization value.

The invention relates to a method for transplanting cotton seedlings. The method comprises three steps of preparation of a matrix, sowing and transplanting sequentially. Step 1, cotton stalks, rape stalks, corn stalks, soybean stalks or wheat straws are crushed, added with a nitrogenous fertilizer, and mixed with human excrement or livestock and poultry manure bio-fertilizer or other fertilizers to obtain a mixture which is treated to obtain a prepared material, then the prepared material is sun-dried or baked, added with a fungicide and bagged for spare use; step 2, the prepared cotton stalk matrix or the matrixes prepared from other stalks are filled in a seedling raising aperture disk or flatly spread on a plastic film laid on the ground as a seedbed, seeds are sown, watered and covered with an agricultural film, and seedlings are raised under heat insulation condition; step 3, an antitranspirant and a rooting agent are applied before transplanting; the taken seedlings are bound, put in the watered rooting agent solution for root soaking, and then taken out and put in a watered gel containing a water retention agent to dip the roots; when in transplantation, the water retention agent is applied to planting furrows; after transplantation, the seedlings are covered with soil, and irrigated with adequate water for fixing the roots. The method is characterized by high seedling survival rate, stable effect, short rejuvenation period, low cost and environmental protection.

The invention discloses a method for breeding chamomile. The method disclosed by the invention comprises the following steps: (1) inoculating chamomile seeds onto a seed germination culture medium to carry out sterile seedling cultivation so as to produce sterile seedlings; (2) taking hypocotyls of the sterile seedlings as explants, inoculating the explants onto a callus induction culture medium to carry out callus induction culture so as to generate calluses by virtue of induction; (3) inoculating the calluses generated by induction onto an adventitious bud differentiation culture medium to carry out adventitious bud induction differentiation culture so as to obtain adventitious buds; (4) inoculating the adventitious buds onto a rooting culture medium to carry out rooting culture and culturing adventitious roots by virtue of induction so as to obtain rooted seedlings; and (5) hardening and transplanting the rooted seedlings so as to finally obtain the chamomile. In a regeneration system established by the method disclosed by the invention, callus inductivity reaches up to 86.63%, differentiation rate of the adventitious buds reaches up to 25.5%, rooting rate reaches up to 100%, and transplanting survival rate reaches up to 100%, thus a large number of excellent chamomile test-tube plantlets can be obtained in short term so as to realize large-scale factory production.

The invention provides a poultry used disease-resistant growth promotion green feed additive and a preparing method thereof. The feed additive includes the following constituents in parts by weight: 10-20 parts of fumaric acid, 10-70 parts of citric acid, 6-15 parts of formic acid, 2-10 parts of formate, 2-5 parts of acetic acid, 1-50 parts of plant essential oil and 5-20 parts of excipient. The plant essential oil, the formic acid and the formate thereof as well as other organic acids can be used for restraining growth of escherichia coli, salmonellae and other harmful bacteria to keep the intestinal health; and the functions that the pH value of a digestive tract is reduced, the digestive enzyme is activated, digestion and absorption of the feed are facilitated, and daily ration utilization ratio is improved are realized; meanwhile, the anti-stress capability of animals is improved, death and culling rate is reduced, the culture benefit is improved, and a new thought for development of antibiotic substitutes is provided. The product can excellently restrain damage of harmful microbes to animals and improve the health condition and growth performance of animals.

The invention relates to a solar-powered car which has an automatic adjusting function and can prevent light pollution and dazzling. The solar-powered car which has the automatic adjusting function and can prevent light pollution and dazzling comprises a car body and an electricity generation mechanism, wherein the electricity generation mechanism comprises a first photovoltaic panel, two drivingunits and two photovoltaic assemblies; the photovoltaic assemblies comprise supports and second photovoltaic panels; the car body is internally provided with a light weakening mechanism, and the lightweakening mechanism comprises a transverse rod, a sleeve ring, a lifting unit, a translation unit, a light filtering plate and two vertical plates. When the solar-powered car which has the automaticadjusting function and can prevent light pollution and dazzling runs in an urban area, through the driving units, the second photovoltaic panels are driven to rotate towards the first photovoltaic panel, so that light pollution caused by specular reflection is prevented, dazzling feelings of other car drivers are avoided, and then road traffic safety is guaranteed; moreover, through the lifting unit, the light filtering plate is driven to go down to block strong sunlight, and through the translation unit, the horizontal position of the light filtering plate is adjusted, so that a driver has agood sight line, safe driving is guaranteed, and then the practicability of the solar-powered car is improved.

The invention discloses a comprehensive prevention and control technology of a corn waterlogging disaster, wherein soil ridging or compartment ridging regulation and control are utilized. The comprehensive prevention and control technology comprises the following steps: sowing in a wide and narrow row spacing manner during corn sowing, carrying out intertillage ridging or ditching during the five-leaf stage of corn, ditching in wide rows of corn and ridging in narrow rods of corn, or ditching in wide rows on the two sides of a compartment consisting of four or six rows, additionally applying nitrogen-oxygen mixed fertilizer instantly after the corn waterlogging disaster occurs, and spraying spermidine chemical modifier on leaf surfaces at the same time, wherein spraying is carried out once in the morning and night for 2-3 days continuously; other steps are the same as that during normal management, corn is harvested until bracts of corn clusters are dried up, corn grain milk lines disappear, and a black layer appears, namely when grains are completely and physiologically matured. According to the comprehensive prevention and control technology, through comprehensive precontrol advantages of prevention in advance and remedy after the disaster, the root oxygen deficiency after waterlogging can be effectively reduced and retarded, accumulated toxic effect of hazardous substances of soil is reduced, and the root growth and absorption capacity is strengthened, so that the symplastic growth of overground part and root system is promoted, and the yield is improved.

The invention discloses a method for preventing and controlling freeze-expanded damage to water-containing subgrade in a cold region and a bunched low-temperature heat pipe. The method is characterized in that a T-shaped bunched solar low-temperature heat pipe capable of transmitting solar energy or electric energy heat into the subgrade is arranged in the subgrade; when the environmental temperature is lower than 0 DEG C, a working medium on the evaporation segment of the low-temperature heat pipe absorbs solar energy heat and rises to be conducted into the condensation segment of the low-temperature heat pipe; on cloudy days, the working medium on the evaporation segment is heated through electric heating, and is conducted into the condensation segment of the low-temperature heat pipe; heat is transmitted into the water-containing subgrade through the condensation segment in order that the temperature of the water-containing subgrade is greater than the icing temperature; the working medium which releases heat returns back into the evaporation segment under the action of gravity to absorb heat, and the abovementioned work is performed circularly in order that the temperature of the water-containing subgrade is kept higher than the icing temperature, so that the occurrence of freeze-expanded damage to the subgrade is prevented. The method is simple and reliable, the phenomenon of frost heaving of the subgrade can be effectively avoided, and the transportation safety is ensured.

A regulating method aims at the physical structure of a high-yield soil for summer corns, and belongs to the technical field of agricultural production. The regulating method of the invention is as follows: (1) deep ploughing (loose) before sowing: before the seeding of the previous crops before the summer corns, the soil is deeply ploughed (loose), the tilth is 30 to 35cm, the unit weight of a soil horizon of 0 to 20cm is 1.2 to 1.3g/cm3 by deep ploughing, the unit weight of the soil horizon of 20 to 40cm is 1.3 to 1.4g/cm3, and 15 kilograms of urea are fertilized per mu; and (2) ridging after sowing: before the seeding of the corns, wide row and narrow row seeding is required to be carried out, the space between the wide rows is 70 to 80cm, the space between the narrow rows is 40 to 50cm, during the jointing stage of the corns, cultivation, banking and ridging are carried out, ditches are opened in the wide rows of the corns, the narrow rows are banked and ridged, the ridge height is 15 to 20cm, and the ridge face width is 50 to 60cm. The invention can obviously reduce the unit weight of the no-tillage summer corn soil, increase the soil porosity, improve the physical behavior of the soil, increase the biological activity of the soil and enhance the biological fertility, facilitate the growing and development of the root system of the corn and increases the activity of the root system, and obviously improve the crop production and the benefits.

The invention provides an intelligent campus safety protection robot. The intelligent campus safety protection robot comprises an alarm device, a pick-up device, a rotating mechanism, a device storagearea, a chassis, a smoke sensor, a temperature sensor, a photosensitive sensor, an infrared night vision camera, a thermal imager, a displayer, a charging hole, a USB connector, a square groove, a sliding way, a fixing pin, a solar cell panel, a plug pin, an electric telescopic rod, moving wheels, an ultrasonic distance measuring sensor, a bumper and a waterproof pad; the moving wheels are arranged on the two sides of the chassis, the ultrasonic distance measuring sensor is arranged at the front end of the upper portion of the chassis, and the bumper is arranged at the front end of the chassis. Due to arrangement of the infrared night vision camera, the thermal imager, the device storage area, the solar cell panel and the ultrasonic distance measuring sensor, intelligent monitoring and alarm capacity can be achieved, safety protection is improved, the durability capacity of the robot is increased, manual patrol can be replaced, and the monitoring capacity which cannot be achieved by manual patrol is achieved.

The invention discloses a superfine drymeal granule suitable for pulmonary administration and a preparation method thereof. The drymeal granule has good air-atomizing property. With smaller geometric dimension, the drymeal granule can deposit in the alveolus area to maximum extent, so the active molecule of the medicine has higher bioavailability. In addition, the drymeal granule can be used for DNA and RNA lung administration. The invention is also designed to introduce how to use volatility salt to prepare the superfine drymeal granule with good air-atomizing property. The invention solves the technique defects of the over size of the drymeal granule, the low density of the granule, inconvenient application and easy inactivation of active drug ingredients caused by the sharp decline of the air-atomizing property resulting from the water absorbability in the lung superfine drymeal granule prepared by the existing drymeal preparation technique. Meanwhile, the invention also solves the problem that the drymeal produced by the spray drying technology which is developed by Nektar Company, U.S.A, has relatively small deposition rate in the alveolus area and can not be used for transmitting protein, peptide or nucleic acid drugs containing DNA and RNA, and the like, caused by relatively small granule size and relatively high granule density.

The invention provides a multifunctional safety helmet. The multifunctional safety helmet comprises a helmet shell and a fastening band, wherein a helmet lining sweat absorption band is arranged on the inner surface of a helmet brim of the helmet shell; a polycrystalline silicon solar cell panel is stuck on each of the two sides of the top of the helmet shell; a front side of the helmet shell is connected with an energy storage small fan through a retractable pipe; the polycrystalline silicon solar cell panels are connected with the energy storage small fan through a cell box; the cell box is provided with a bidirectional charging USB (Universal Serial Bus) connector; an LED (Light Emitting Diode) headlamp, a near electric acousto-optic emitter and a mini-type camera are mounted at the front part of the helmet shell; an organic glass protection cover is connected with the bottom of the front end of the helmet shell; the organic glass protection cover is integrally provided with a self-suction filtering type particular-matter-proof breathing sticking film; a bracket is arranged on the side face of the helmet shell; and a Bluetooth earphone is mounted on the bracket. The safety helmet integrates a plurality of functions; the safety helmet has a small size, is convenient to operate and is convenient to carry when being worn; the safety helmet can be detached and worn freely according to the requirements of workplaces; any part is detachable and optimization of a working environment is realized; and bodies can be protected and guarantees are provided for construction tasks.

The invention provides a process for preparing compound feed for sucking pig, comprising the following steps: (1) swelling soybean; (2) disintegrating the swollen soybean and raw feed; (3) mixing the disintegrated material according to proportion and heating, adding natural carbohydrate according to proportion; (4) cubing with mixed material ;(5) cooling and packing. The invention also provides the compound feed prepared with process mentioned above, which comprises (content per metric ton): natural carbohydrate flavoring agent 10-200 kilograms; swollen soybean or bean powder 20-250 kilograms; fish powder 10-120 kilograms; dried whey 10-120 kiolgrams; and baby meal 10-60 kilograms. The process is simple and can maintain original nutriment and taste; and the feed can avoid effectively the harmful matter residual in pig.

The invention belongs to the field of agricultural production, and discloses a sugar alcohol zinc boron molybdenum manganese compound colloidal solid leaf microelement fertilizer and a preparation method thereof. The colloidal fertilizer is composed of solid salts of various microelements, a pH conditioning agent, a chelating agent, a potentiating agent, a surface active material, an antibacterialagent and an adhesion agent. Firstly, heating reaction is carried out on molybdenum salt and the chelating agent, then solid boron salt, the pH conditioning agent, zinc salt, manganese salt, the potentiating agent and the adhesion agent which are evenly stirred are added, the surface active material and germicide are added, heating is carried out to make the mixture mixed evenly, so that the mixture is changed into jelly from liquid to obtain a compound fertilizer with high concentration, stability and good effect. According to the sugar alcohol zinc boron molybdenum manganese compound colloidal solid leaf microelement fertilizer and the preparation method thereof, after the prepared compound fertilizer is sprayed on the leaf surface, a surface active agent makes the microelement fertilizer spread on the leaf surface evenly, the adhesion agent resists washing of rainwater and prolongs the fertilizer efficiency time, the contained microelements are essential ingredients of the plant growth, the leaf fertilizers are stored and transported easily, and are dissolved easily when being in use.

The invention relates to a production method of sugar alcohol chelated secondary elements. The production method comprises the following steps: adding secondary elements, sugar alcohol and a solvent in a reaction kettle, wherein the mass ratio of the secondary elements, the sugar alcohol and the solvent is 20-50:10-80:0-50; carrying out chelation reaction at certain temperature until the secondary elements are dissolved completely to obtain the sugar alcohol chelated secondary elements. By the product, the utilization rate of the secondary elements can be increased obviously.

The gynecopathy treating medicine preparation with raised bioavailability and treating effect is prepared with seven kinds of Chinese medicinal materials, including heaven tree bark, schisandra, phellodendron bark, tortoise plastron, tuckahoe, etc. in certain proportion. The extract of the said medicine material, stuffing, disintegrating agent and lubricant are produced into dispersed tablet; the extract of the said medicine material, dispersing medium, suspension assistant and preservative are prepared into soft capsule; or, the extract of the said medicine material, stuffing, disintegrating agent and lubricant are prepared into capsule. The dispersed tablet, the soft capsule and the capsule are used in treating chronic pulvic infection, and have high curative effect and short treating period.

The invention provides an acidic texturing solution for texturing of a polycrystalline silicon chip and a using method thereof. The acidic texturing solution is characterized in that: when the acidic texturing solution is used for surface texturing of the polycrystalline silicon chip for a solar cell, excellent texturing effect can be achieved. The technical problems of environmental pollution of the texturing solution and textured surface non-uniformity caused by instable states of the texturing solution and the process conditions in the prior art are solved.

The invention relates to a method for keeping activity of probiotic. The probiotic is adsorbed into holes of microporous starch to generate a microporous adsorbate, and the microporous adsorbate and a mixture of nutrients required by aquatic seedlings form a core material; chitosan is used as a wall material, wherein the chitosan is insoluble in water but soluble in 1 percent lactic acid solution; and a microcapsule is prepared by using a spraying and drying method, the grain diameter of the microcapsule is less than 150mu m, and the ratio of the wall material to the core material is (3-10):100. The method can prevent the inactivation of the probiotic, and can play a role in slow release. The aperture of the micropore is 1mu m; the microporous starch, the ratio of the micropore cavity volume of which to the total volume of the starch is more than 50 percent, is used for adsorbing the probiotic into the holes of the microporous starch; the adsorbate of the microporous starch, which adsorbs the probiotic, is used as the core material; and the chitosan is used as a coating of the wall material. The method has the advantages that the microcapsule prepared by micropore adsorption and envelope can effectively keep the activity of the envelope during processing and manufacturing through experiment so as to develop the application prospect of the probiotic in aquatic feed.

A Chinese medicine in the form of dispersing table or softcapsule for relaxing muscles, tendons and bones is prepared from 25 Chinese-medicinal materials including pilose antler, safflower honeysuckle flower, earthworm, etc.

The invention relates to a feed, in particular to a powdered oil feed with whey powder and a preparation method thereof, which mainly solve the technical problems that in the prior art, protein, whey powder and oil all in the conventional feed are simply mixed and stirred, so that oil and protein digestion utilization of animals is low, the protein, the whey powder and the oil carry bacterial viruses easily and insanitation is caused, the storage time is short, the application is poor and the like. According to the preparation method, whey powder, plant protein, animal protein and plant oil are mixed in proportion, added into water and heated, then emulsifier is added, and the mixture is fully stirred and then gets into an emulsifying machine for treatment, the homogenization treatment is performed to the product subjected to emulsification through a homogenizer, spray drying is performed to the product through the variable frequency drying technology and via a spray drying tower, and the dried mixture is subjected to sieving, metering and packing, so that a finished product is obtained.