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125results about How to "Well-developed" patented technology

Method for preparing anode of microorganism fuel battery with graphene and ferrous disulfide compound

ActiveCN106784829AImprove performanceLower anode electron transfer resistanceCell electrodesBiochemical fuel cellsIonCvd graphene
The invention discloses a method for preparing the anode of a microorganism fuel battery with a graphene and ferrous disulfide compound, and belongs to the field of environments, materials and energy. The method comprises the following steps: (1) gradually dropping a ferric trichloride and thiourea solution into a graphene oxide dispersion in a reaction kettle one droplet by one droplet, uniformly stirring, sealing the reaction kettle, and performing hydrothermal reaction for 12-24 hours within 140-200 DEG C so as to obtain a hydrogel sample; (2) washing the hydrogel sample for times with deionized water, performing freeze-drying, and crushing so as to obtain a nano powder of the graphene and ferrous disulfide compound; (3) mixing the nano powder with a 5% nafion solution, isopropanol and deionized water, uniformly oscillating, coating carbon cloth with the solution, fixing the carbon cloth with a fixing part, and drying the carbon cloth in air, so as to obtain the anode. The method has the advantages that the synthesis steps are very simple, obtained particles are uniform in morphology, graphene lamellas are overlapped to form a well-developed porous structure, good electrochemical properties and biocompatibility can be achieved, and the anode of the microorganism fuel battery has very good properties.
Owner:HARBIN INST OF TECH

Flavor type livestock and poultry feed additive

The invention provides a flavor type livestock and poultry feed additive and belongs to the technical field of an animal feed additive. The flavor type livestock and poultry feed additive is characterized by comprising the following steps of: respectively milling VE, VC, organic selenium, sweet wormwood, Astragalus mongholicus, Ligusticum wallichii, the root of Chinese pulsatilla, humifuse euphorbia herb, Poria cocos, Adenophora stricta, rheum officinale, white paeony root, Codonopsis pilosula, fructus forsythiae, bighead atractylodes rhizome, Syzygium aromaticum, multiflower knotweed root, Lilium brownii, Amomum kravanh, liquorice and origanum oil into powder; and uniformly mixing and making into powdery grains. The flavor type livestock and poultry feed additive has the beneficial effects that the quality of a feed is obviously improved; the livestock and poultry immunity and survival rate are improved; the digestion and the absorption are accelerated and the daily-increased weight is improved; the feed utilization rate is improved, the raising cost is reduced and the production performance is greatly improved; and meanwhile, the effect of Chinese herbal medicines enables egg and meat tastes to be close to flavors of local livestock and poultry. The source of the needed raw materials is wide, is safe and toxic, has a low price and is suitable for large-scale popularization.
Owner:CHONGQING SHOUXING FEED

Chinese herbal medicine additive agent of feed for pregnancy sow, and method of use thereof

InactiveCN101347591AObvious protection against miscarriagePromote healthy growthAnimal feeding stuffSexual disorderMedicinal herbsAnimal science
The invention relates to a feed additive and a using method thereof, in particular to a Chinese medicinal herb additive which is specially used for feeding sows in the period of gestation and which has the function of protecting the fetus, promoting the uniformly grow in the whole of pig fetus and playing the role of health care for the pregnant sows in the feed of the pregnant sows and a using method thereof. The Chinese medicinal herb feed additive in the feed of the pregnant sows of the invention consists of five Chinese medicinal herbs including largehead atractylode, astragalus root, medicated leaven and amomum villosum; the using method is that the five traditional Chinese medicines are ground and mixed according to a certain proportion to be added into the feed. Specially aiming at the sows in the period of gestation, the Chinese medicinal herb additive adopts Chinese herbal medicine, so as to have obvious effects on protecting the fetus, be beneficial to the healthy growth and uniform development of the pig fetus, and play the role of health protection on the self of sows; in addition, the feed additive also has the efficacy of environment-friendly feed, thus reducing the drug fastness of the animal and the chemical drug residue in the body of the animal.
Owner:王龙洲

Hermetia illucens feed prepared by organic waste and method for breeding hermetia illucens by hermetia illucens feed

The invention discloses a hermetia illucens feed prepared by organic waste. The hermetia illucens feed is prepared by mixing a hydrous mushy state substance A which is prepared through crushing mushroom bran and performing blending, with a hydrous mushy state substance B which is prepared through crushing kitchen garbage and performing blending, and a hydrous mushy state substance C which is prepared through crushing tussah moth residual bodies and performing blending. The invention also discloses a method for breeding hermetia illucens by the hermetia illucens feed. The hermetia illucens feeddisclosed by the invention has the advantages that the feed prepared by mixing and blending the organic waste of the mushroom bran, the kitchen garbage, the tussah moth residual bodies and the like is utilized to feed and breed the hermetia illucens, the development condition of the hermetia illucens is good, and besides, the kinds of hermetia illucens processed waste are enriched, so that potential environmental pollutants are converted into insect resources, and reduction and resource re-utilization of the waste are realized; the organic waste is mixed and blended to form the feed for feeding the hermetia illucens completely, so that conventional feeds are saved; a manner of adjusting the water content of the feed through adding saw dust in the prior art is not needed, and the mushroombran can completely replace the saw dust in the respect of effects, so that the using of conventional raw materials including the saw dust and the like is saved.
Owner:JILIN AGRICULTURAL UNIV

Hard rock roof rock burst segmentation direction control fracturing treatment technology

ActiveCN111322048AIncrease the extension sizeWeakened governanceSurveyFluid removalMechanical engineeringDrill hole
The invention discloses a hard rock roof rock burst segmentation direction control fracturing treatment technology. The technology comprises the following steps of S10, obtaining hard rock roof groundstress parameters; S20, designing an arranging manner of a directional long drill hole and parameters of a direction control fracturing technology; S30, constructing the directional long drill hole;S40, arranging a segmentation direction control fracturing device in the directional long drill hole; S50, carrying out segmentation direction control fracturing construction; S51, forming a manual precast direction control jet crack; S52, forming a fracturing crack net; S53, stopping a pump, draining water, shrinking a packer, and dragging to the next segment of fracturing position; and S54, repeating the steps of S51-53, and finishing whole directional long drill hole fracturing construction. According to the hard rock roof rock burst segmentation direction control fracturing treatment technology, a hard rock roof layer can be precisely controlled, fracturing is carried out segment by segment, a three-dimensional gap communication network is formed, a hard rock roof can be effectively weakened, and the hard rock roof can be promoted to properly collapse.
Owner:XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP

Method for preparing mesophase pitches or mesophase microspheres through coal and oil co-liquified residues

ActiveCN105036116AHigh content of mesophaseHigh aromaKeroseneMicrosphere
The invention provides a method for preparing mesophase pitches or mesophase microspheres through coal and oil co-liquified residues. The coal and oil co-liquified residues and a first-level extracting solvent are subjected to positive extraction, first-level extract liquor and first-level raffinate are obtained, remaining substances obtained after the first-level extracting liquid solvent is recycled are a mixture of asphaltene and heavy oil, the mixture of the asphaltene and the heavy oil and a second-level extracting solvent are subjected to position extraction, and second-level extract liquor and second-level raffinate are obtained; the second-level raffinate is processed, and asphaltene is obtained; heavy oil is obtained after the second-level extracting liquid solvent is recycled; the asphaltene and the heavy oil are mixed according to a certain proportion and evenly placed in a reactor to be subjected to co-carbonization thermal polycondensation, and thermal polycondensation products containing the mesophase pitches or thermal polycondensation products containing the mesophase microspheres are generated; the thermal polycondensation products containing the mesophase microspheres are washed through quinoline, filtered and dried, and the mesophase microspheres are obtained. The method has the advantages of being simple in technology and low in production cost.
Owner:TAIYUAN UNIV OF TECH +1

Time-frequency domain cycle encoding and restoring method for continuous pulse radar signal

The invention provides a time-frequency domain cycle encoding and restoring method for a continuous pulse radar signal. The time-frequency domain cycle encoding of the signal comprises the following steps: setting the numbers and bandwidths of sub-bands of an emitting signal according to a continuous pulse radar system; setting the time width of an emission sub-pulse group; grouping emission sub-pulse sequences, so as to obtain the data of the emission sub-pulse group and a basic code of a subgroup; and carrying out a time domain cycle coding on the sub-pulse sequences, so as to obtain continuous pulse radar emission signal codes. A signal restoring method comprises the following steps: listing an echo expression formula of each receiving window; solving an echo expression formula equationset, so as to obtain an echo signal of a single pulse signal of each sub-band in each receiving window; carrying out normalization processing on the echo signal of the of the single pulse signal of each sub-band; and synthesizing broadband of the echo of each sub-band, so as to obtain a complete bandwidth pulse echo signal. According to the time-frequency domain cycle encoding and restoring method, the complete echo signal can be restored, the restoring process of the signal is simple, the requirements on ADC and DAC are reduced, and the system design difficulty is reduced.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI

Efficient wood particle active carbon for automobile carbon tank and preparation method thereof

The invention discloses wood particle active carbon for an automobile carbon tank and a preparation method thereof, and belongs to the fields of active carbon for the automobile carbon tank and the preparation method of the active carbon. The weight ratio of major raw material ingredient of wood active carbon powder to organic sodium-based bentonites to water is 1:(0.2 to 0.25):(0.8 to 1.0); the three kinds of raw materials are uniformly stirred and are then pelleted; after pelleted particles are dried, physical activation is performed to obtain the wood particle active carbon; the wood active carbon powder is formed by mixing aged wood chips and thermal-process food stage phosphoric acid with the concentration being 85 percent according to a weight ratio of 1:(1.2 to 1.5) through fully stirring, still soaking, high-temperature carbonization activation, recovery, rinsing, drying and powder preparation. The preparation method comprises two major work procedures of wood active carbon powder preparation and wood particle active carbon preparation. The product strength is high; the effective aperture pore volume is more developed; the distribution is more uniform; the adsorption and desorption performance is good; the gas flowing resistance is small.
Owner:湖南御洁新材料科技有限公司

Baby pig forced supplementary feeding method

InactiveCN101331865AAlleviate Early Weaning SyndromeReduce disease rateAnimal husbandryTraining periodAnimal science
The invention discloses a grice forcing supplementary feeding method and relates to the technical field of scientific cultivation. The grice forcing supplementary feeding method is a wholly new supplementary feeding method which is designed for the purposes of accurately controlling the quantity and time of grice supplementary feeding, achieving the ideal supplementary feeding effect and reducing the harm caused by the 'early ablactation syndrome' of grice. The technical points are that the grice supplementary feeding period is 8-21 age in days, in the supplementary feeding period, 'free feeding and forcing supplementary feeding' are carried out, the 'teaching feedstuff' with high quality is selected as the supplementary feedstuff, the times of supplementary feeding is 4 times every day, and the total amount of supplementary feeding is 290g. The supplementary feeding course is divided into three stages: 8-11 age in days is the training period, the dosage is increased from less to more and is 10g per day averagely; 12-16 age in days is the middle period, and the dosage is 20g per day averagely; 17-21 age in days is the anaphase, the dosage is 30g per day averagely. By adopting the method provided by the invention, the 'early ablactation syndrome' can be alleviated obviously, disease rate and death rate of the grice can be reduced, and the growth state of the grice can be improved.
Owner:张明海

Milking sow fodder additive and preparation method and application thereof

The invention discloses a milking sow fodder additive and a preparation method and application thereof. The additive is mainly prepared from the following raw materials in parts by weight: 8 to 12 parts of Chinese medicinal formula Baihutang particle, 6 to 8 parts of cowherb seed, 3 to 5 parts of medulla tetrapanacis, 3 to 5 parts of uniflower swisscentaury root, 1 to 3 parts of semen ziziphi spinosae, 5 to 10 parts of fructus amomi, 1 to 3 parts of pericarpium citri reticulatae, 1 to 3 parts of fructus aurantii and 6 to 9 parts of herba portulacae. The Chinese medicinal formula Baihutang particle is prepared from 30 parts of gypsum, 3 parts of honey-fried liquorice root, 9 parts of rhizoma anemarrhenae and 15 parts of polished round-grained rice. The fodder additive disclosed by the invention is prepared by a simple technology, is prepared from pure traditional Chinese medicine components as the raw materials, does not contain any antibiotic and hormone, and has no toxic and side effect. After being added into base fodder, the fodder additive can stimulate sows to increase appetite and improve feeding, improves milk performance of the sows, increases milk yield of the sows, obviously improves the survival rate of piglets, guarantees healthy growth and uniform development of the piglets, and can effectively prevent and treat varieties of general diseases of the sows and the piglets.
Owner:重庆八维生物技术有限公司

Breeding method for early-maturing and disease-resistant broccoli

The invention discloses a breeding method for early-maturing and disease-resistant broccoli, and belongs to the technical field of plant cultivation. Buds, suitable for microspore breeding, between the mid-late uninucleate stage and the dicaryon early stage of broccoli and cauliflower breeding materials are utilized for microspore breeding, a lot of regeneration plants are created, the excellent DH plants are screened out for selfing, DH strains stable in botanical character, good in combining ability and large in pollen quantity are obtained, and artificial emasculation is performed at the flowering phase to prepare first-filial generation seeds F1; after generation adding treatment is performed on the seeds F1, excellent single plants with the botanical character similar to that of the broccoli are selected for selfing at the bud stage to obtain F2, then through generation adding and three-generation continuous selfing at the bud stage, excellent and stable selfing incompatible strains 15-12-7-8-1 and 12-11-9-2-1 are selectively bred, and then the early-maturing and disease-resistant broccoli is obtained through hybridization. By the adoption of the selfing incompatible strains for hybridization, the character of the reciprocal cross plants is uniform, and the yield of the production seeds is increased by above 50% compared with that of sterile line production seeds.
Owner:ZHENJIANG SUIHAN AGRI

Method for preparing sodium niobate fiber by combining hydrothermal method and later thermal treatment process

The invention discloses a method for preparing sodium niobate fiber by combining a hydrothermal method and a later thermal treatment process. The method is characterized in that sodium hydroxide and niobium oxide are used as raw materials, sodium hydroxide is simultaneously used as a hydrothermal reaction mineralizing agent, and deionized water is used as a hydrothermal reaction solvent. The method comprises the steps of preparing an initial product under the conditions that the concentration of sodium hydroxide is 10mol/L, the concentration of niobium oxide is 0.0125mol/L, the hydrothermal temperature is 160 DEG C and the reaction time is 6-8h; and then, placing the initial product into a muffle furnace, and keeping the temperature of 400-650 DEG C for 1-3h to obtain a final product, i.e., the sodium niobate fiber with the diameter of 300-900nm and the length of 100-150mu m. The fiber as the final product is very obvious in characteristic, relatively good in dispersibility and perfected in growth and development. The method disclosed by the invention has the advantages that the raw materials are easy to obtain and low in price, experimental equipment is simple, the process flow is easy to control, and the prepared sodium niobate fiber has relatively good development prospect on the aspects such as preparation and application of antiferroelectric sodium niobate, texturing research on potassium sodium niobate based leadless piezoelectric ceramics and the like.
Owner:QIQIHAR UNIVERSITY
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