328results about How to "Reasonable combination" patented technology

The invention discloses a BDS/GPS high-accuracy positioning method, relating to the field of satellite navigation. The method includes establishing a virtual reference station, acquiring the common-view satellite ephemeris and the satellite observation data received by a reference station Bi and a roving station M, and acquiring the geometry distance between the satellite and the reference station Bi; acquiring the pseudo range correction number of the reference station Bi; interpolating the pseudo range correction number of the virtual reference station by means of an algorithm of inverse distance to a power; interpolating the pseudo range correction number of the roving station by the roving station by means of an algorithm of inverse distance to a power; correcting the satellite pseudo range observation data received by the roving station by means of the pseudo range correction number of the roving station; and establishing a roving station satellite pseudo range observation equation to obtain the accurate coordinate of the roving station to complete the positioning. According to the invention, the safety hidden troubles of information leakage of the reference station because a multi-reference difference positioning method in the prior art must use the accurate coordinate of the reference station can prevented, and high-accuracy positioning is obtained.

The invention provides a method of automatically discovering a hot news theme (or a hot event) on the internet, which can automatically discover various news events on the internet and automatically and briefly explain the events. The method comprises the following steps: downloading webpages of recent news, blogs, microblogs and the like from the internet; extracting titles and texts from the news, blogs, microblogs and the like; carrying out word segmentation for the extracted titles and texts to acquire a word frequency vector, and combining all the texts to acquire a word frequency matrix; carrying out cluster analysis for the word frequency matrix with clustering algorithm so that texts with the same theme are gathered and clusters of various themes are acquired; and extracting a title of a central text and keywords from each cluster to explain the cluster, i.e., to explain the news theme.

The invention discloses a low-temperature retorting method of high-volatile flux fine particle, which is characterized by the following: the method adopts vertical pipe with inner, middle and outer concentric casing to move two sides of outer heat retort furnace, which produces char coal, gas and tar; the needed energy of retorting is provided by fine grain coal in the middle casing ring-shaped space from inner and outer casing high-temperature gas, which proceeds drying and charring steps; the steam and char volatile product are guided out of upper segment steam and lower segment char hole separately; the char coal falls in the char furnace chassis discharger, which is discharged from outlet.

The invention relates to a composite multi-frequency-band vibration isolation trench for a building, belonging to the technical fields of civil engineering and mechanical engineering. The composite multi-frequency-band vibration isolation trench comprises a perforated plate, an irregular plate, fillers, a hollow trench and a wave drag block, and is at least arranged under the earth surface on one side of the building, which faces a vibration source; the perforated plate, the irregular plate, the hollow trench and the wave drag block are sequentially connected with one another according to a direction from the vibration source to the building, and the heights and the widths of the perforated plate, the irregular plate, the hollow trench and the wave drag block are ensured to be consistent; one side of the irregular plate, which faces the vibration source, has a convex-concavo irregular structure, and the other side of the irregular plate is planar; and the fillers are filled in the irregular plate and the wave drag block.

An organic-inorganic compound slow release fertilizer based on high quality organic fertilizer and specially used for z.armatum v. novemfolius contains various macro-elements and micro-nutrient elements needed by the plants, particularly containing abundant nutrients of nitrogen, phosphor, kalium and sulphur. The invention can meet the requirements for the growing of the z.armatum v. novemfolius and the high quality and high-yield of z.armatum v. novemfolius fruits; the slow release period of the nutrients is long, which can be prolonged by 60 to 80 days than the nutrient release of a chemical fertilizer; the fertilizing test result shows that the output is increased by 16.7 to 25.8 percent; qualities such as fruit shape, color and fragrance, etc. are remarkably improved; the sources of the adopted raw materials in the special fertilizer are broad; the manufacture technique of the product is simple and device investment is less.

The present invention relates to the field of agricultural irrigation drainage technology, in the concrete, said invention provides a staged and graded dynamically-controlled farmland drainage designing method. Said method is characterized by that said designing method mainly includes the following several contents: firstly, according to the actual requirements for drainage designing three stages of early stage, mid-stage and late stage for time division; respectively providing groundwater level dynamic control index, using it as designing standard for drainage engineering with different grades, then correspondently defining spaced distance between drainage ditches for making farmland management, collecting water and conveying water, so that said designing method can effectively raise drainage effect of farmland.

The invention relates to a treatment method of copper-containing industrial wastewater and in particular relates to a treatment method for removing metal ions from copper-containing wastewater by adopting a combined process. In order to overcome the technical defects that the content of copper ions is relatively high and the treatment of other metal ions does not meet the standard in a copper-containing industrial wastewater treatment process in the prior art, the invention provides a treatment method of copper-containing industrial wastewater. The treatment method comprises four reaction steps of iron carbon microelectrolysis, catalytic oxidation, alkalization precipitation and acid-base neutralization. After the treatment, the content of the copper ions is remarkably lower than the national emission standard, and the content of other toxic ions also can meet the national emission standard, so that the treatment method is suitable for popularization and application in the copper-containing wastewater treatment industry.

A detection method for the low-temperature performance uniformity of lithium ion batteries includes the steps that (1), a voltage reducing value method is adopted for selecting out monomer lithium ion batteries with large self discharge; (2), the monomer lithium ion batteries B1 are treated in a capacity grading mode, the monomer lithium ion batteries with the same capacity difference standard are selected out; (3), the monomer lithium ion batteries Bc1 are charged and discharged at low temperature and then graded again; (4), the multiple monomer lithium ion batteries Bc2 are selected and matched to form a battery pack. The detection method has the advantages that conventional screening detection of the uniformity of the voltage, the internal resistance, the capacity, the storage voltage drop and the like is carried out at the normal temperature, and besides the detection of the cycling life after the batteries are charged and discharged at the low temperature is added and used for evaluating the electrochemical characteristics of the batteries at the low temperature, so that the uniformity of the electrical performance of all the monomer batteries at the low temperature is ensured, the batteries are reasonably matched, and it is ensured that the battery pack has excellent performance when charged and discharged at the low temperature and the normal temperature.

The invention discloses a recycling method of circulated cooling water of industrial wastewater with carbinol, which comprises the following steps: adopting hydrolytic adjusting pond; proceeding microbe contacting to oxidize; proceeding aerobic biological contact to oxidize; concreting; sedimenting; filtering through active charcoal; sterilizing through UV; adopting elastic cubic fill and microhole aerating system as fill of biological contact oxidizing course; decomposing organism with DO under 0.5-1. 0mg/l; removing CODcr, suspension and organism effectively.

The invention provides a preparation method of an iron runner castable containing graphene oxide, comprising the following steps: step 1: premixing materials, and mixing raw materials and auxiliary materials evenly, wherein the raw materials contain dense corundum, white corundum, carborundum, alpha-Al2O3 micropowder, silicon dioxide micropowder, aluminate cement, ball pitch and monatomic silicon powder, and the auxiliary materials comprise a water reducer and explosion-proof fiber; step 2, adding graphene oxide solution and an antioxidant for the graphene oxide. By applying the technical scheme, the preparation method has the following effects: (1) preparation steps are simplified, and are suitable for industrial production; (2) the added graphene oxide can reduce the usage amount of common carbonaceous materials such as the ball pitch, and the production of poisonous and carcinogenic gas can be reduced when the iron runner castable is used in a high temperature environment; (3) the content of carbon in the castable can be effectively increased by the addition of the graphene oxide, the additive quantity of water and the porosity of the iron runner castable can be reduced, and the structural strength, thermal shock resistance and corrosion resistance of the iron runner castable are enhanced.

The invention belongs to the technical field of filtration materials and discloses a PTFE (polytetrafluoroethylene) membrane coated glass fiber composite needled felt filtration material and a preparation method thereof. The filtration material is characterized in that base cloth is in a three-layer structure with a middle glass fiber base cloth layer and upper and lower web layers, and each web layer is a mixed fiber layer formed by cross lapping of, by mass, 3%-10% of aramid conductive fibers, 10%-15% of polyimide fibers and 75%-87% of glass fibers. According to the preparation method, the polyimide fibers and the aramid conductive fibers are subjected to opening jointly prior to joint fiber carding along with the glass fibers. The thickness of the web layers is controlled through control of gram weight of the web layers, reasonability in matching is achieved, and full play of high temperature resistance and antistatic performances is guaranteed.

The invention provides a treating method for thallium-containing wastewater. The treating method comprises the following steps: 1) adding an oxidizing agent into the thallium-containing wastewater for oxidizing; 2) performing sedimentation treatment including sodium sulphide sedimentation and flocculant sedimentation on the thallium-containing wastewater subjected to oxidizing treatment; 3) adopting an adsorbent for absorbing the supernatant liquid obtained in the step 2), thereby finishing the treatment for thallium-containing wastewater, wherein styrene-divinyl benzene copolymer is taken as the adsorbent. The treating method for thallium-containing wastewater, provided by the invention, comprises the processes of oxidizing treatment, sedimentation treatment and adsorption treatment; the sedimentation treatment comprises the two steps of sodium sulphide sedimentation and flocculant sedimentation; an oxidation-sedimentation-adsorption combined technique is combined with a physical chemistry method, so that secondary pollution is not caused; according to the treating method provided by the invention, the treating condition is easy to control and thallium in the wastewater can be extremely removed; the raw materials required by the treating method provided by the invention are easily acquired and low in cost; the operation is simple; the running cost is greatly lowered.

The invention relates to a medicine for reducing fever, eliminating phlegm and stopping cough, which pertains to the technical field of the traditional Chinese medicine and comprises 20-50 portions of honeysuckle, 15-50 portions of hearteaf houttuynia, 10-25 portions of mulberry root bark, 10-25 portions of bark of boxthorn root, 10-25 portions of earthworm, 10-25 portions of Chinese radish seed, 10-25 portions of perilla fruit, 6-15 portions of ballonflower, 6-15 portions of fineleaf schizonepeta herb fruit cluster, 6-15 portions of aster root, 6-15 portions of dried old orange peel, 6-12 portions of stemona, 6-15 portions of liquorice, 6-15 portions of brassica alba boiss, 6-15 portions of white swallowwort, 6-12 portions of bulbus fritilariae and 6-15 portions of apricot kernel by weight proportion. The raw material has reasonable combination and matching, no side effect and good efficacy.

The invention provides a system and method for optimizing the operation of cooling and heating devices in an area. The method comprises the following steps that: S1, an upper computer queries historical load records, conforming to a current environmental temperature and humidity trend, in a historical database according to the according to a current environment temperature and humidity trend; a heating and ventilation load calculation model is invoked to calculate a typical design standard load; and weighted summation is carried out based on the historical load and the standard load, and a predicted load of a next cycle is calculated; S2, devices that meet the load need, have the matched host rated cooling capacities, and having the longest/shortest operation time are screened and serial numbers of the devices are obtained; S3, operation target parameters of the corresponding systems of the devices are calculated; and a field controller acquires a serial number of a device needing to be added or removed as well as the operation target parameters through a data channel and controls device increasing/decreasing and device operation states in the area; and S4, the S1 is performed again and closed loop control is formed. Therefore, the equipment operation efficiency is improved; the cost is lowered; and the energy consumption is reduced.

The invention belongs to the technical field of ferrous metallurgy, and discloses a corrosion-resistant steel plate for an ocean platform and a production method of the steel plate. The corrosion-resistant steel plate is prepared firstly from the combination of proper components in percentage by weight and then by carrying out KR molten iron pretreatment, converter smelting, argon-blowing station fed with aluminum wire, LF furnace refining, VD vacuum refining, continuous casting, heating, controlled rolling and controlled cooling, heap cooling, quenching, tempering and the like. According to the corrosion-resistant steel plate for the ocean platform and the production method of the steel plate, compared with the prior art, the produced steel plate has the advantages of excellent corrosion resistance, good low-temperature impact toughness and excellent comprehensive performance, and is especially suitable for being used under cold weather and seawater corrosion conditions.

The invention provides microecological preparation and a preparation method thereof. The microecological preparation provided by the invention is prepared by mixing Lactobacillus acidophilus, Lactobacillus casei and Lactobacillus plantarum according to a bacterial count ratio of 1:1:1. The microecological preparation provided by the invention has the advantages that: the strain mixing and the mixing ratio are reasonable; and the microecological preparation can relieve intestinal inflammation in animals, regulate immunity and obviously improve the growth performance of animals, and can be used for preparing health-care products such as feed additives and dairy products.

The slow releasing fertilizer specially for Chinese goldthread is prepared with rape seed cake 16-20 wt%, bone meal 8-14 wt%, turf 14-20 wt%, zeolite 8-12 wt%, borax 2-5 wt%, urea 14-20 wt%, ammonium phosphate 10-15 wt%, potassium sulfate 13-18 wt%, magnesium sulfate 1-2 wt% and zinc sulfate 0.5-1.5 wt%. The preparation process includes mixing, pelletizing and other steps. The fertilizer is prepared with natural organic material as main components and can meet the requirement for Chinese goldthread to grow is rhizome and improve soil structure.

The invention relates to a Chinese medicinal fuming-steaming composition and a guiding medicament used in conjunction with the same. The fuming-steaming composition comprises angelica, corydalis tuber, unprocessed radix aconite, unprocessed kusnezoff monkshood roots, garden balsam stems, common threewingnut roots, atractylodes, Chinese alangium roots and other raw medicinal materials. The guidingmedicament of the Chinese medicinal fuming-steaming composition is an alcohol or high-alcohol-content white spirits extract of safflowers, asarum, white mustard seeds, atractylodes, common threewingnut roots, divaricate saposhnikovia roots, clematis roots, doubleteeth pubescent angelica roots, notopterygium roots, homalomena rhizoma and anisetree bark. The composition is reasonable in prescriptions, and uses two prescriptions together to play a good role in strengthening healthy energy, dispelling rheumatism and stopping arthralgia syndrome. The guiding medicament as a pioneer medicament has the effects of promoting blood circulation, opening pores, guiding medicinal properties, assisting in efficacy and promoting medicinal potential, leads a large number of Chinese medicinal effective components evaporated from the fuming-steaming composition to directly penetrate skin, apertures, meridian points and the like through permeation, absorption, diffusion and other ways, enter skin grain,internal organs and directly reach lesion sites so as to clear skin grain, warm channels, expel cold, clear meridians, promote blood circulation, remove blood stasis, activate collaterals, relieve pain, eliminate carbuncle swellings and kill pathogenic toxins, and has satisfactory therapeutic effects on arthralgia syndrome in Chinese medicament.

The invention discloses a new steel plate with higher impact toughness than a P690QL2 steel plate for LPG ship storage tanks and a production method thereof. The new steel plate comprises the following mass percentages of chemical compositions: 0.07-0.12 of C, 0.10-0.20 of Si, 1.00-1.60 of Mn, P less than or equal to 0.010, S less than or equal to 0.003, 0.020-0.050 of Als, 0.030-0.060 of Nb, 0.030-0.070 of V, 0.30-1.50 of Ni, 0.30-0.50 of Cr, 0.20-0.50 of Mo, 0.0008-0.0015 of B, and the balance of Fe and residual elements, wherein the new steel plate has more than 80% of a tempered bainite and less than 20% of a tempered sorbite structure, and the transverse impact value of -60 DEG C is greater than or equal to 120J; and the new steel plate is obtained by production processes including ingot heating, cogging rolling and segmentation, billet heating, controlled rolling and cooling, and heat treatment. Compared with the prior art, through the reasonable design of the steel plate compositions and production method, the new steel plate provided by the invention obtains a reasonable combination of steel plate matrix structure, has high strength, excellent low-temperature impact toughness and good welding performance, and can meet the requirements of industrial manufacturing of large-scale LPG ship storage tanks.

The present invention relates to method and system for extracting palm oil from fresh palm fruit. The extraction process includes the following steps: treating fresh palm fruit with pressurized steam to deactivate, shelling and stamping, squeezing in an oil press to obtain crude palm oil, filtering and purifying palm oil, and heating and vacuum drying the purified palm oil to obtain palm oil product. The present invention can separate and utilize fully the fruit, kernel and stone of fresh fruit, and is suitable for industrial production.

The invention discloses a method for remedying water-eroded defects on the finished surface of an engine cylinder block and belongs to the technical field of engine cylinder block refabrication. The method includes: polishing the defective surface to expose a cylinder block body; polishing sharp corners or edges on the cylinder block body; removing oil at defective positions; re-polishing; cleaning the defective positions; remedying the defective positions by electric spark ionic microwelding to make the welded positions level to the finished surface of the cylinder block; polishing the welded positions to make the welded positions lower than the finished surface of the cylinder block; remedying the welded positions by pulse cold welding to make the welded positions higher than the finished surface of the cylinder block; and polishing the welded positions to make the welded positions level to the finished surface of the cylinder block. The method effectively guarantees fine bonding of welding material and substrate during welding. The electric spark ionic microwelding is reasonably combined with the pulse cold welding, so that efficiency is increased and the remedied texture is kept dense and non-defective.

The invention is a small-thickness steel framework concrete dense sandwich stringboard belonging to a new technique applied to structure of field cast concrete stringboard of civil engineering. The structure of the stringboard includes that the bottom layer is the first layer of cast fine stone concrete, in the middle of which is a steel-rib bottom-surface steel wire net, the top layer is the second layer of cast concrete, in the middle of which is a steel-rib top-surface steel wire net, there are 'well' of Chinese characters-shaped steel framework dense ribs arranged between the two steel wire nets; there is a decorated board of top and bottom wing edges arranged between the dense rib, the bottom-surface steel wire net and the top-surface steel wire net; there is an arc-sectional lightweight multi-porous material-containing core packet arranged on the first layer of cast fine stone concrete between two dense ribs, and there is a mortar heel block between the core packet and the top-surface steel wire net.

The invention discloses a biological active padding material of a fermentation bed for poultry. The biological active padding material is prepared by the following materials in percent by weight: 15%-30% of air-permeable material, 20%-50% of water-absorbing material, 2%-20% of auxiliary nutrient material, 5%-20% of other auxiliary materials, 1%-10% of biological deodorant, 10%-30% of poultry manure and 1%-10% of fermenting bacterium agent. The biological active cushioning material disclosed by the invention has the advantages that the biological active padding material can be applied to raising of various poultry, is more reasonable in strain combination, not only has aerobic bacteria, but also has thermophilic actinomycete; simultaneously, by combination of native strains in the soil, the fermentation efficiency is improved by 30%, the bioavailability is increased by not less than 20%. The biological active cushioning material also has the advantages of wider padding material source and relative reduction of cost and the like.