190 results about "Stages of growth" patented technology

A system and method of aeroponic farming includes depositing seeds in a flat containing micro-fleece cloth and placing the flat within a growth chamber. The upper side of the flat is subjected to light of the proper frequencies to promote growth in plants. A nutrient solution is sprayed onto the micro-fleece cloth and the developing root mass of the plants, while controlling temperature, humidity, and carbon dioxide within the growth chamber. The plants are harvested resulting from the seeds at a desired stage of growth. The growth chambers can be stacked on each other and/or located side by side to save space within a facility, and to permit sharing the subsystems which control the nutrient solution, temperature, humidity, and carbon dioxide for the growth chambers.

The present invention provides a complete, safe, cost-effective, simple-to-use, and pH balanced hydroponics nutrient feeding kit for culturing plants indoors, outdoors and in green houses, wherein the hydroponics nutrient feeding kit comprises a set of formulations for making chronologically sequential nutrient solutions to culture a hydroponic crop through an entire growth cycle, wherein each formulation comprises all of the nutrient components required in a batch of nutrient solution. The nutrient components are pre-measured for a specific hydroponic nutrient reservoir size to consistently provide plants with their nutrient requirements for the specific stage of growth through the vegetative phase and the flowering and fruiting phase through to harvest. The hydroponics nutrient feeding system can be used with rock-wool, sphagnum moss, leca, coir, lava rock, soil mixes, aeroponics, drip irrigation, flood and drain, wick, NFT, systems and all other hydroponic growth mediums and systems.

An infant safety seat with an adjustable accommodating space includes a multi-layer cushioning insert which is detachably insertable into an infant safety seat for accommodating an infant in different stages of growth with different sizes. The multi-layer cushioning insert comprises a first cushioning part and a second cushioning part both may detachably to overlap each other and connect into the accommodating space to provide the necessary support for keeping an infant in proper postural position. The first cushioning part includes a U-shaped head cushion part, U-shaped body cushion part and U-shaped leg cushion part for restricting the side moving of the infant. Further, for accommodating a smaller infant, the second cushioning part can be detachably overlapped onto the first cushioning part for further reducing the side moving space and upright moving space of the baby in the infant safety seat.

An infant safety seat with an adjustable accommodating space includes a multi-layer cushioning insert which is detachably insertable into an infant safety seat for accommodating an infant in different stages of growth with different sizes. The multi-layer cushioning insert comprises a first cushioning part and a second cushioning part both may detachably to overlap each other and connect into the accommodating space to provide the necessary support for keeping an infant in proper postural position. The first cushioning part includes a U-shaped head cushion part, U-shaped body cushion part and U-shaped leg cushion part for restricting the side moving of the infant. Further, for accommodating a smaller infant, the second cushioning part can be detachably overlapped onto the first cushioning part for further reducing the side moving space and upright moving space of the baby in the infant safety seat.

A method of growing a germanium (Ge) epitaxial thin film having negative photoconductance characteristics and a photodiode using the same are provided. The method of growing the germanium (Ge) epitaxial thin film includes growing a germanium (Ge) thin film on a silicon substrate at a low temperature, raising the temperature to grow the germanium (Ge) thin film, and growing the germanium (Ge) thin film at a high temperature, wherein each stage of growth is performed using reduced pressure chemical vapor deposition (RPCVD). The three-stage growth method enables formation of a germanium (Ge) epitaxial thin film characterized by alleviated stress on a substrate, a lowered penetrating dislocation density, and reduced surface roughness.

A perpendicular medium is disclosed in which an isolation structure of an underlayer is formed using a simple method as in a conventional manufacturing process for a medium of continuous films. The method suppresses dispersion of alignment and reduced magnetic cluster size in a magnetic recording layer. The perpendicular medium exhibits high recording density owing to thin film thickness of the underlayer. A perpendicular magnetic recording medium includes at least an underlayer and a magnetic recording layer sequentially laminated on a nonmagnetic substrate. The underlayer consists of crystal grains and an amorphous grain boundary, and the crystal grain has a shape holding a relation (an area of a bottom region at an initial stage of growth)>(an area of a top region).

A temperature measuring device is provided which measures the total temperature T1 of an airflow based on the measured temperature T of the airflow flowing over the surface of an approximately blade-shaped casing arranged within the airflow flowing into an engine of the aircraft. The shape of the casing is set such that lumps of ice and snow, which may form on a surface of the casing and which may thereafter detach from the casing and strike the engine, detach at a stage of growth at which they do not cause damage to the engine.

The invention discloses a method for breeding penaeus vanmamei. The method comprises the steps of pond disinfection, oxygenation, water introducing, shrimp fry selection, and feeding in the stages of growth and development of the shrimp fries to P5, the night before putting of the shrimp fries, about 25 days after putting of the shrimp fries, and the middle and latter periods of breeding. Feeds of corresponding stages are provided according to different nutrition demands of the penaeus vanmamei at different growing stages, so that the penaeus vanmamei can be kept in a stable and healthy physiological status, the bait coefficient of the penaeus vanmamei can be lowered, the growing speed is increased, and the disease resistance of the penaeus vanmamei is favorably improved. The penaeus vanmamei bred by adopting the breeding method disclosed by the invention is high in survival rate and yield.

A time reversal optical tomography (TROT) method for near-infrared (NM) diffuse optical imaging of targets embedded in a highly scattering turbid medium is presented. TROT combines the basic symmetry of time reversal invariance and subspace-based signal processing for retrieval of target location. The efficacy of TROT is tested using simulated data and data obtained from NIR imaging experiments on absorptive, scattering and fluorescent targets embedded in Intralipid-20% suspension in water, as turbid medium, as well as, a realistic cancerous model breast assembled using ex vivo human breast tissues with two embedded tumors. The results demonstrate the potential of TROT for detecting and locating small targets in a turbid medium, such as, breast tumors in early stages of growth.

The invention discloses a method for coupling of microalgae culturing and recovery to quickly accumulate algal oil. The method includes inoculating fresh microalgae cells to a corresponding microalgae culture solution to obtain algal liquid; adjusting the potential of hydrogen (pH) value of the algal liquid, and standing for layering; and supernatant liquor is recovered and circulatedto be used for the microalgae culturing, and underlayer sedimentation is used for extracting the algal oil by means of leaching with an organic solvent or Soxhlet extraction or an acid method. According to the method, in the earlier stage of growth of the microalgae, by means of adjustment of concentrations of nitrogen and phosphorus in the nutrient solution, biomass of the microalgae is improved; in the later stage of the growth of the microalgae, by means of adjustment of the pH value, an environment of strong base or strong acid is formed, the microalgae is stressed to quickly accumulate the algal oil, meanwhile the microalgae is in flocculation dewatering, and the microalgae is recovered; and therefore, the culturing and the recovery are coupled, the operation process is simplified, and production time is shortened, and cyclic utilization of the nutrient solution not only saves culturing cost, but also avoids pollution of discharging of the culture solution to the environment.

An embodiment of the invention delivers water to plants of a specified type which reside in a quantity of soil. A condensing unit is operated at optimum intervals to condense water vapor in the air into water in liquid form. The condensed water is stored in a reservoir connected to an irrigation system, which can deliver water from the reservoir to each of the plants. A database is established that contains horticultural information, wherein the horticultural information comprises a set of values representing the water needed by plants of the specified type at different stages of growth. Estimates of soil moisture content are generated during a specified time period. Optimum watering intervals are computed during the specified time period, at least in part, as a function of the set of values contained in the horticultural database, and also as a function of the estimates of moisture content. The irrigation system is operated to deliver water to each plant during respective optimum watering intervals.

The invention discloses a method for planting selenium-enriched grapes. The method comprises the following steps: (1) in the last ten days of March every year, applying 900kg to 1,200kg of basal fertilizer to land per mu in a supplement manner; (2) at the stage of full bloom, carrying out tip pruning on new shoots of the grapes, and then, spraying a foliar selenium fertilizer to the grapes according to the amount of spraying of 300kg to 400kg per mu; and (3) at the preliminary stage of growth of young grape fruits, applying a solid-state selenium fertilizer to the grapes according to the amount of applying of 400kg to 500kg per mu. By adopting the method disclosed by the invention, the grapes can be high in yield, and the disease and insect pest resistance of grape plants can be improved; the planted grapes are large in individual size, delicious in taste and attractive in color and are not prone to decay during transportation; and the content of selenium in the grapes is relatively high, so that the selenium is easily absorbed and utilized by human bodies, and the requirements of people on daily selenium supplement can be met.

The invention discloses a tea tree transplanting and cultivating method. The method includes the steps that firstly, a land parcel with much humus and deep soil texture is selected to be reclaimed in a southern mountainous area, with the altitude of 500-3000 m, in Anhui Province, after the land parcel is smoothed, 20-centimeter humus is used for covering the land parcel, the width of a seedbed is 1.2 m, the height of the seedbed is 20 cm, and the furrow width is 30 cm; secondly, ditching and ridging are conducted on the seedbed, crop straw organic fertilizer is laid on the bottom layer, then ridging and soil sealing are conducted, and a tea sapling is transplanted to a ridge; thirdly, after the tea sapling grows to 30 cm in height, night soil is dressed in time; fourthly, in the second year after the tea tree survives, a conventional tea tree pruning method is used for pruning the tea tree, and the height of the tea tree is controlled; fifthly, the fertilize applying time is in the range from the middle ten days of September and the first ten days of October, shallow trenches which are 10 cm in depth are dug in positions away from the tea tree by 30 cm, and organic fertilizer is evenly applied in rows in a furrow mode, then soil covering is conducted, fertilizer application only needs to be conducted at a time, and watering is not needed; sixthly, green tea is picked in the vigorous stage of growth of tea leaves in spring but not the initial period of spring tea, and the picking time is 15-20 days after the spring tea sprouts.

The present invention provides unique technology, systems and methods of cultivating different types of seaweeds, including, but not limited to, Porphyra (Nori), Laminaria, Undaria, Eucheuma, Gracillaria, Ulva, Sargassum, Codium, Cladophora, Ascophyllum, Palmaria, Furcellaria, Fucus or Enteromorpha, in land-based seawater ponds having a climatically suitable and nutrient controlled environment. These land-based ponds may be built in any part of the world with structural engineering and architectural modifications. The invention provides methods of designing different stages of growth, and defining the special conditions to optimize each of the different stages in controlled environments. The technology includes techniques of enriching the seaweeds with desired nutrients and ingredients for the production of high quality products that are free of marine pollutants, in addition to generating maximum yields under optimum, clean, temperature controlled and stable environmental conditions.

The invention discloses a fertilizer special for saline-alkali soil corns and a preparation method thereof. The formula of the fertilizer comprises the following components in parts by weight: 23-25 parts of N, 11-13 parts of P2O5, 5-7 parts of K2O, 7-9 parts of humic acid, 3-5 parts of Zn, 1 part of a plant physiological regulator precursor L-tryptophan and 1 part of L-phenylalanine. The fertilizer disclosed by the invention has the following advantages: 1, the pH value of the saline-alkali soil can be effectively reduced, the soil structure can be improved, the accumulation of salts on the surface of the soil is alleviated, and the nutrient of the soil is activated; 2, the added plant physiological regulator precursor can promote the growth of root systems of the saline-alkali soil corns, improve the activity of the root systems of the corns, and play roles in promoting and strengthening roots; 3, the problem that the corns are deficient in phosphorus during the seedling stage can be effectively solved, the nitrogen supply of the corns in the later stage of growth is ensured, and the problems of denitrification, nutrient imbalance and the like in the later stage can be avoided; 4, the product has the components of a quick result nitrogen fertilizer and a slow-release nitrogen fertilizer, and the production cost of the product is lower than that of a common sustained or controlled release product on the market.

The invention discloses a method and a pair of special primers for identifying purple properties of Chinese cabbages. One of the primers is shown in SEQ ID NO:1, and the other one of the primers is shown in SEQ ID NO:2. In the invention, by using the F2 colony for controlling the genes of the purple properties to be positioned on the A3 chromosome for the first time, molecular markers which are closely linked with the purple properties are found, and the molecular markers can be used for identifying the purple properties of Chinese cabbages, thereby laying the foundations for performing molecular marker-assisted breeding and cloning genes. The identification method disclosed by the invention has accurate and reliable identification results and can be used for identifying in the early stage of growth of Chinese cabbages without waiting for the maturation of plants, thereby saving the time, lowering the labor cost, increasing the breeding speed and having important significance.

The invention relates to a bag-cultivation industrial culture process for golden mushrooms in China, and an optimization, regulation and control technology is adopted for the environment temperature, the environment humidity and the air concentration which are required for the growth and the development of the golden mushrooms. On the basis of the prior golden mushroom industrial culture conditions, and by changing the cold air flow direction and the air speed of an air cooler, the cold air cannot directly blow to a fungus pack on the top bed; three axial fans are additionally arranged indoors to form an indoor air internal circulation system; the facilities are optimized, regulated and controlled, a circular ventilation opening is arranged on the wall facing to the center at the rear part of the air cooler, and an air throttle for controlling the opening and the closing is installed at the outer side; microcomputer time controllers are installed for a fan and a ventilation fan, the start-stop time is set according to the parametric variation rules in different stages of growth and development of the golden mushrooms, and the operating time of the internal circulation system is controlled.

The invention discloses a laying hen breeding method. The growth cycle of laying hens is divided into eight stages, namely 0-3 weeks, 4-6 weeks, 7-10 weeks, 11-15 weeks, 16 weeks-80% laying rate, 80% laying rate-40 weeks, 40-60 weeks and 60 weeks-weeding out, different feed nutritive standards and feeding environments are adopted for the eight stages, and the feeding environments include temperature, humidity, illumination and air quality. According to the laying hen breeding method, proper feeding environments and feed nutritive standards are selected in a targeted mode according to the different stages of growth of the laying hens, breeding is conducted scientifically, the production time of the laying hens is 7-15 days earlier than that of an ordinary feeding method, the sum of the death rate and the elimination rate is not higher than 5%, the laying rate peak stage of 90% and above of the laying hens is as long as 12 months, the income from each laying hen in one cycle can be increased by 15-20 yuan, maximization of production performance of the laying hens is achieved, and the laying hen breeding method is worthy of application and popularization.

The invention discloses a shallow-water lotus root planting method. The method comprises the following steps of field selection, wherein a planting field is selected; lotus seed selection; field preparation and fertilizer application, wherein base fertilizer is applied before field preparation, after the base fertilizer is applied, deep plowing is carried out to turn the base fertilizer into soil, then leveling and thorough furrowing are carried out, and shallow water is introduced for retting; planting and close planting; staged topdressing, wherein tiller fertilizer is applied, application time is 30-40 d after lotus root planting, urea is applied by the ratio of 150-225 kg/hm<2>, thoroughly-decomposed manure is applied by the ratio of 22.5 t/hm<2>, lotus root yielding fertilizer is applied, and according to application time, when vertical leaves grow in the field full, ridgepole leaves come out of some plants, lotus roots begin to be yielded underground; urea is applied by the ratio of 300 kg/hm<2>, and calcium superphosphate is applied by the ratio of 300-375 kg/hm<2>; water level management, wherein during the earlier stage of growth, the water level is 5-10 cm, during the middle stage of growth, water is irrigated until the water depth is 15-25 cm, and during the late development stage, the water level is gradually lowered to 10-15 cm. The yield of shallow-water lotus roots can be effectively increased, and the quality of the shallow-water lotus roots can be effectively improved.

A method for promoting auto-induction of transcription of cloned DNA in cultures of bacterial cells grown batchwise is disclosed. The transcription is under the control of a promoter whose activity can be induced by an exogenous inducer whose ability to induce said promoter is dependent on the metabolic state of said bacterial cells. Initially, a culture media is provided which includes: i) an inducer that causes induction of transcription from said promoter in said bacterial cells; and ii) a metabolite that prevents induction by said inducer, the concentration of said metabolite being adjusted so as to substantially preclude induction by said inducer in the early stages of growth of the bacterial culture, but such that said metabolite is depleted to a level that allows induction by said inducer at a later stage of growth. The culture medium is inoculated with a bacterial inoculum, the inoculum comprising bacterial cells containing cloned DNA, the transcription of which is induced by said inducer. The culture is then incubated under conditions appropriate for growth of the bacterial cells. Also disclosed is a method for improving the production of a selenomethionine-containing protein or polypeptide in a bacterial cell, the protein or polypeptide being produced by recombinant DNA techniques, the bacterial cell encoding a vitamin B12-dependent homocysteine methylase. The method for improving the production of this protein or polypeptide includes culturing the bacterial cell in a culture medium containing vitamin B12. Finally, disclosed is a method for suppressing transcription of cloned DNA in cultures of bacterial cells grown batchwise, said transcription being under the control of a promoter whose activity can be induced by an exogenous inducer whose ability to induce said promoter is dependent on the metabolic state of said bacterial cells.