17 results about "Reproduction" patented technology

The invention provides a hot-dry rock fracturing high-pressure extraction laboratory simulation device. The device comprises a fracturing fluid injection system, a proppant injection system, a high-pressure gas boosting injection system, a fracturing body, an annular pressure applying system and a high-pressure pipe valve. The proppant injection system comprises indirect proppant injection and curing. The high-pressure gas boosting injection system comprises gas boosting and indirect gas injection. The fracturing body comprises a sample fracturing chamber and a sample annular-pressure chamber. The fracturing chamber comprises a three-dimensional fixing support and a three-dimensional hydraulic system. The three-dimensional hydraulic system comprises a hydraulic sliding cavity and a hydraulic moving plug. The sample annular-pressure chamber comprises an annular-pressure chamber steel plate and an inner gum sleeve, a cavity is formed between the gum sleeve and the steel plate, and fluid is injected to realize pressure coating effect. Fracturing fluid injection and annular pressure application are both realized by connection of a high-pressure pipeline with a high-pressure control component. A split module combination structure is adopted, original samples of fracturing samples are ensured to be unchanged, proppant injection is performed accurately, high-pressure gas is injected for displacement and reproduction, and recovery ratio is increased. The device has the advantages of novel structure and safety and durability.

A method for configuring and preparing the hybridized combination population of plant includes such steps as choosing the first monohybridized generations, combining them to form a basic population, choosing part of the hybridized combination to form polygenic population, individual reproduction for each first monohybridized generation, and hybridizing between them. It has high consistency, stability and specificity.

In distributing moving image data, it is an object to make it possible to start reproduction, not only from the head of the moving image data, but also from any desired position and to minimize an increase in the amount of the processing. A moving image data conversion device (1) comprises moving image data receiving means (2) for receiving moving image data (6), decoder configuration information saving means (3) for retrieving and holding decoder configuration information included in the moving image data (6) to define a condition for decoding the moving image data (6), decoder configuration information inserting means (4) for inserting the decoder configuration information into a plurality of predetermined positions in the moving image data (6) to generate moving image data, and moving image data output means (5) for outputting the generated moving image data as moving image data (8).

The invention belongs to the technical field of livestock breeding, and particularly relates to an ecological pig breeding method which includes the steps: (1) breeding place selection; (2) breeding area building; (3) boar reproduction; (4) rotational grazing type stocking; (5) breeding management of pips; (6) disease control; (7) excrement circulating utilization. According to the method, breeding environments are improved, management efficiency of the pigs is improved, excrement circulating utilization is achieved, good breeding circulation is formed, and environmental pollution is reduced.The pigs are bred by auxiliary feed containing Chinese herbal medicine compositions and Chinese herbal medicine drinking water, addition of antibiotics is decreased in the breeding process of the pigs, and the incidence rate of common diseases and drug resistance for the antibiotics of the pigs is reduced, so that pork is safer and better in taste.

The invention discloses an alkaloid compound. The alkaloid compound is chemically named as 8-hydroxy-3-hydroxymethyl-6,9-dimethyl-7H-benzo[de]isoquinoline-7-one and has a chemical formula C15H13NO3 and the structure shown in the specification. The invention further discloses a method for preparing the alkaloid compound from tobaccos. The invention further discloses use of the alkaloid compound. Activity tests prove that the alkaloid compound has a relatively good bacteriostatic action. The alkaloid compound is of a novel structure and has relatively good antibacterial activity. By applying the alkaloid compound to tipping paper of cigarettes, the possibilities of breeding and reproduction of bacteria in the tipping paper of the cigarettes can be eliminated or reduced.

The invention discloses a batch reproduction method for rice photo-thermo-sensitive dual-purpose genic male sterile breeder's seeds. The batch reproduction method comprises the following steps: (1) overall arrangement; (2) cultivation; (3) impurity removal; (4) heading; (5) full heading; (6) stump cutting; (7) stubble remaining; (8) separated ridging; and (9) separated oblique planting. The batch reproduction method has the success rate of 99.98% when applied to the reproduction of the rice photo-thermo-sensitive dual-purpose genic male sterile breeder's seeds. Not only are the purposes of avoiding genetic shift caused by multi-generation purifying reproduction and guaranteeing the characteristics of the original varieties, but also batch reproduction of the male sterile breeder's seeds are realized, and the production cost is lowered.

The invention discloses a sediment improver for black and odorous water, which is composed of the following raw material components in percentages by weight: 20-40% of potassium ferrate, 25-35% of quicklime, 5-10% of polyaluminium chloride, 5-15% of potassium persulfate, and 15-25% of zeolite. Through the sediment improver for the black and odorous water provided by the invention, organic matterscan be completely decomposed, eutrophic substances are adsorbed and fixed, the sediment environment is completely changed, so the reproduction and growth of microorganisms and aquatic animals in waterare promoted, thereby accelerating the restoration of ecosystems.

The invention discloses an environmentally-friendly freshness-keeping agent for meat products and an application of the environmentally-friendly freshness-keeping agent for meat products in meat foodpreservation. The environmentally-friendly freshness-keeping agent for meat products comprises the following ingredients in parts by weight: 20-50 parts of agaricus bisporus polysaccharides, 40-80 parts of sodium alginate, 0.02-0.2 part of calcium propionate, 0.005-0.05 part of lactic acid, 1-5 parts of glycerine, and 300-900 parts of water. The environmentally-friendly freshness-keeping agent formeat products disclosed by the invention is scientific and reasonable in formula, good in freshness-keeping effects and capable of effectively inhibiting reproduction of microorganisms in meat so asto prevent and treat microbial contamination on meat; and thus, the environmentally-friendly freshness-keeping agent for meat products is capable of effectively prolonging shelf lives of meat products, improving quality of meat products and effectively reducing fresh meat storage costs.

The invention discloses a wireless audio frequency reproduction device and a pairing method therefor. The pairing method for the wireless audio frequency reproduction device comprises the following steps: a first detection module is used for detecting first action of a first wireless audio frequency reproduction unit, wireless connection between the first wireless audio frequency reproduction unit and a second wireless audio frequency reproduction unit is established if the first action is consistent with first preset action, and a communication coupling relation between the first wireless audio frequency reproduction unit and the second wireless audio frequency reproduction unit is established via the wireless connection. According to the wireless audio frequency reproduction device and the pairing method therefor, a hardware basis built in the wireless audio frequency reproduction device is used for determining action of the wireless audio frequency reproduction device via use of some software detection algorithms, and pairing of wireless audio frequency reproduction devices can therefore be realized; original design can be greatly simplified, and the wireless audio frequency reproduction device is enabled to work normally even without matching pairing parts.

The invention provides a dry salt salting machine. Vibration of a vibrator and pressurization of a retractable squeezing device of a sealing box cover of a salting grid are mutually combined, so that gaps among foods can be sufficiently compacted, and the compactness of dry salt and the foods is increased; the reproduction of putrefactive bacteria, caused by the fact that the foods are in contact with the air, at an early period of salting dry salt foods is reduced, and the releasing of moisture of the salted foods is accelerated; the salting time is shortened and the quality of salted products is improved; a flow guide pipe can be used for storing water released from the foods in a salting process, so that salting liquid in each salting grid can flow to the other salting grids, so that the uniformity of flavors of the products in each salting grid is guaranteed in a salting production and processing process.

The invention provides a castor-oil plant tissue culture plants concentrated propagation method, which is used for tissue culture plants propagation of different lines. Castor-oil plants of different lines are cultured in a concentrated manner, and the castor-oil plants of each line in a squaring stage are placed in an isolation chamber so that the castor-oil plants of different lines will not affect each other. Concentrated seedling cultivation is carried out, the plants need not to be planted in separated different areas, the planting efficiency is improved, and observation and recording in a phonological period is convenient. Isolation is conducted in the squaring stage to ensure that cross infection among the plants will not happen, therefore, the survival rate and the reproduction rate are increased.

The invention discloses a method for increasing the fertilization rate of breeding hens in summer. The method solves the problem of low reproduction since the breeding hens are low in grazing rate and fertilization rate in summer. The main reason which causes the low fertilization rate of a chicken flock is a chicken house environment, an appropriate chicken house environment can make the chicken flock well grow and develop, also increase the fertilization rate and save feed, and full play is given to the reproduction performance. The invention provides a control method of a suitable, stable and uniform chicken house environment which does not influence the fertilization rate, a good chicken house environment can be provided with the chicken flock, the temperature and the humidity of the chicken flock in a house are effectively improved, bad factors do not influence the health of the chicken flock, nutrients are scientifically and appropriately fed to the breeding hen flock, the constitution is strengthened, the maturity is promoted, the fertilization rate in summer is increased, the reproduction benefit is increased, the breeding enthusiasm of a major breeder is promoted, and the economic benefit and the social benefit are increased.

The invention discloses a culture method of Helice tientsinensis megalopae. The method includes the steps of nursery pond building, water inflow and disinfection, water fertilization, parent crab purchasing and basket hanging, water quality management, feed culture, bait feeding and disease prevention and treatment. Compared with the prior art, through the method, Helice tientsinensis megalopae can be cultured on a large scale, and seedlings are provided for reproduction and releasing and artificial breeding of the variety resources. Meanwhile, seedlings are ecologically cultured in an earth pond which can adsorb hazardous substances in seedling culture water better than an indoor cement pond, and therefore the cultured seedlings are good in quality.