156results about How to "Long growth cycle" patented technology

The invention discloses a construction method and an application of the high-efficiency soybean CRISPR / Cas9 system. Staphylococus aureus Cas9 protein undergoes split expression; and in order to improve editing efficiency and broad spectrum, a soybean SaCas9 editing system is constructed. According to the construction method provided by the invention, a low-efficiency editing system is transformedinto the high-efficiency editing system, so that the application scope of editing soybean genome is widened, and meanwhile, a new thought is provided for solving a problem on crop genome editing efficiency in the future.

The invention discloses an artificial reproduction technological process and a method of application of aphidoletes aphidimyza. An aphidoletes aphidimyza mass reproduction technology and an application technology are characterized in that pea aphids, pea repaired tail aphids and aphis craccivora koch are reproduced massively by adopting broad beans, and the aphidoletes aphidimyza is reproduced by utilizing the pea aphids, the pea repaired tail aphids and the aphis craccivora koch. The aphidoletes aphidimyza mass reproduction technology and the application technology comprise the following processes: net seedlings are planted, aphids are raised, the aphidoletes aphidimyza is raised, old larvae are collected, and the larvae are saved in the pupal period. Adults are applied to field application and expanding reproduction after eclosion. An efficient and superior method technological process for reproducing aphidoletes aphidimyza is developed so as to solve the to-be-solved problems, and the method that the aphidoletes aphidimyza is used to prevent and control aphids can play a proper role in safe production of vegetables.

The invention provides compound caesium potassium fluoborate and caesium potassium fluoborate non-linear optic crystal, and a preparation method and applications thereof. The chemical formula of the compound is CsKB8O12F2, the molecular weight is 488.48, and the compound is prepared via solid phase synthesis or vacuum packaging method. The chemical formula of the caesium potassium fluoborate non-linear optic crystal is CsKB8O12F2, the molecular weight is 488.48, the caesium potassium fluoborate non-linear optic crystal belongs to trigonal system, the space group is P321, the cell parameters a=b=6.598 angstroms, c=7.652 angstroms, alpha=beta=90 DEG, gamma=120 DEG, unit-cell volume is 288.5 angstroms, the frequency-doubled effect is about 2 times of that of KH2PO4(KDP), the UV absorption edge ranges from 150 to 200nm. Crystal growth of CsKB8O12F2 is realized via high temperature molten method, vacuum packaging method, hydrothermal method, or room temperature solution method; deliquescence of the crystal is not caused in the air; the chemical stability is excellent; and the crystal can be used in all-solid-state lasers as an ultraviolet, deep ultraviolet non-linear optic crystal.

The invention provides a compound rubidium borofluoride and a rubidium borofluoride non-linear optical crystal and a preparation method and use of the rubidium borofluoride non-linear optical crystal. The compound rubidium borofluoride has a chemical formula of RbB4O6F, has molecular weight of 243.71 and is prepared through a solid phase synthesis method or a vacuum packaging method. The crystal has a chemical formula of RbB4O6F, has molecular weight of 243.71, belongs to the orthorhombic system, and has a space group of Pna 21 and cell parameters such as a=7.6742A, b=11.228A, c=6.6218A, alpha=beta=gamma=90 degrees, unit-cell volume of 570.57 A<3>, crystal frequency-doubled effect about 1.9 times that of KH2PO4 (KDP) and ultraviolet absorption edge shorter than 190nm. The crystal is formed through a melt method, a high temperature melt method, a vacuum encapsulation method, a hydrothermal method or a room-temperature solution method. The crystal has good chemical stability and can be used as an ultraviolet and deep-ultraviolet non-linear optical crystal in an all-solid-state laser.

The invention provides a compound caesium rubidium fluorborate, a caesium rubidium fluorborate nonlinear optical crystal, a preparation method and application. The compound has a chemical formula of CsRbB8O12F2 and a molecular weight of 534.86, and is prepared by solid phase synthesis or vacuum encapsulation method. The crystal has a chemical formula of CsRbB8O12F2 and a molecular weight of 534.86, belongs to hexagonal crystal system, has a space group of P-62c, the cell parameters of a=b=6.5878 angstrom, c=7.813 angstrom, alpha=beta=90 degrees, gamma=120 degrees, and a unit cell volume of 293.6 angstrom<3>. The frequency-doubled effect of the crystal is 2 times that of KH2PO4(KDP), and the ultraviolet absorption edge is 150-200nm. CsRbB8O12F2 adopts high temperature melt liquid method, vacuum encapsulation method, hydrothermal method or room temperature solution method for crystal growth, the crystal has the advantages of no deliquescence in the air and good chemical stability, and can be applied as ultraviolet and deep ultraviolet nonlinear optical crystal in all-solid-state lasers.

The invention discloses an early propagation method for hyriopsis cumingii seeds in methods for breeding hyriopsis cumingii. By the early propagation method for the hyriopsis cumingii seeds, the technology for early propagation of the hyriopsis cumingii is successfully developed for the first time in China, parent hyriopsis cumingii and seeds thereof are originally artificially bred in a greenhouse, early maturity of the gonads of the parent hyriopsis cumingii and quick growth of the seeds in early spring are promoted to succeed by adopting the technology of water temperature regulation and directional breeding of biological bait, and 80 percent of hyriopsis cumingii can reach the bead plugging specification; and the early propagation method for the hyriopsis cumingii seeds is technically characterized by mainly comprising the steps of selecting the parent hyriopsis cumingii, breeding the parent hyriopsis cumingii, collecting seedlings, breeding the hyriopsis cumingii seedlings at the parasitic stage, breeding juveniles after the seedlings are removed, breeding young hyriopsis cumingii and the like.

The invention relates to a saffron crocus planting method. The saffron crocus planting method comprises the steps of outdoor corm breeding: saffron crocus corm can be transplanted in an outdoor field in last November and can be removed from soil in next May; indoor bloom cultivation: from the middle of May to mid-to-end of June, seedballs are in a complete dormancy period, and the room temperature needs to be up to 30 DEG C and needs to be maintained for more than 20 days; from the end of June to the last ten days of July, the room temperature needs to be maintained in 23-28 DEG C, the relative humidity is 80%, the indoor environment is in sun shading, and the illumination is avoided; from August to the middle of September, the room temperature needs to be maintained in 23-27 DEG C, the relative humidity is 75%-85%, the indoor environment is in sun shading, and the illumination is avoided; from the end of the middle of September to the last ten days of October, white parts are presented by main sprouts of the corm, the room temperature is maintained in 20-25 DEG C, and the relative humidity is 80%; from the end of October to the middle of November, the room temperature is 15-18 DEG C, the humidity is 75%, and the indoor environment is not in sun shading any more. According to the saffron crocus planting method disclosed by the invention, the yield is high, the quality is good, and the economic benefit is good.

The invention discloses a green feed capable of improving broiler meat quality and a preparation method thereof. The green feed is prepared from the following raw materials in parts by weight: 40-70 parts of peanut cake, 20-40 parts of corn flour, 10-15 parts of bean dregs, 10-15 parts of pine needle powder, 8-18 parts of konjak refined flour, 5-15 parts of osmanthus, 5-10 parts of sodium tripolyphosphate, 15-30 parts of modified montmorillonite, 5-15 parts of vitamin complex, 5-15 parts of microelement additive, 5-10 parts of garlicin, 2-8 parts of lysine, 2-5 parts of yeast nucleotide, 3-10 parts of microbial flora, 5-12 parts of glucose, 2-5 parts of cellulase, 10-20 parts of cyclodextrin and 5-15 parts of sodium alginate. The green feed has the advantages of reasonable formula, comprehensive nutrition and improved taste, is suitable for broilers to eat, enhances the disease resistance of the broilers, lowers the incidence mortality, has higher utilization ratio, and improves the broiler meat quality, so that the broiler meat quality is soft and delicious.

The invention discloses a ricefield eel culture method. In two years when a young ricefield eel is cultured into an adult ricefield eel, a cement pit culture method is used in the first year, and a net cage reed culture method is used in the second year. Each young ricefield eel is caught in the wild with the weight of 60-90g, and the weight of each adult ricefield eel is 160-210g. The ricefield eel is cultured in a cement pit from May to September, is moved to be cultured in a net cage in February to March in the first year and is sold as the adult ricefield eel in November to December the next year. The cement pit consists of a plurality of small pits with the width of 4 meters, the depth of 0.9 meter and the length of 5-6 meters, a drainage sign and a water inlet sign are respectively arranged on one edge of a pool to form an opposite angle, a drainage pipe hole is provided with an escape-prevention net, and the pool wall is covered with one layer of plastic film. According to the ricefield eel culture method disclosed by the invention, the cement pit culture is carried out in the first year so as to bring convenience for observing the eating and moving situation of the ricefield eel, and acclimatization is better. The ricefield eel cultured in the cement pit has the advantages of proper size, good freshness and good oxygen dissolving performance, and only water needs to be supplemented in fixed time. If the young ricefield eel is successfully acclimatized in the cement pit, the young ricefield eel can quickly adapt and eat when being moved to the net cage, the growth period is prolonged, and the weight increment ratio is big.

A method for treating mud by artificial nunja as treating pool features that said artificial nunja has a slope bottom made of artifial matrix and the emerging plant is planted in the artificial nunja formed by loading the mud in the treating pool. The cooperation of plant, mud and microbes can decompose the organic substances, N, P, heavy metals and pathogenic bacteria in mud.

The invention discloses a microorganism seaweed liquid fertilizer for promoting the growth of toadstool and application of the microorganism seaweed liquid fertilizer. An enzymatic hydrolysate is obtained after low temperature physical treatment, high temperature sterilization treatment and enzymolysis treatment are performed on fresh seaweed in sequence; the obtained enzymatic hydrolysate is loaded into a fermentation tank, a compound microbial agent is added in terms of 3% to 5% of the weight of the enzymatic hydrolysate, a fermentation liquor is obtained through fermentation, a filter liquor which is the microorganism seaweed liquid fertilizer is taken after filtration, and the microorganism seaweed liquid fertilizer is sufficiently and uniformly mixed with potassium humate, compound amino acids, EDTA and chitosan, so as to prepare the liquid fertilizer. The application method of the microorganism seaweed liquid fertilizer comprises the following steps: soil is overturned twice in the period of 20 days before sowing, the microorganism seaweed liquid fertilizer is applied to the soil in terms of 4 kg per mu, and spraying is supplemented after first picking of toadstool, so that sufficient early nutrient supply for toadstool is guaranteed, the beneficial viable bacteria in the soil are activated, the soil fertility is improved simultaneously, and the method is significant forimproving the yield and quality of toadstool and promoting the income increase of farmers.

The invention provides an inducing method for water roots of plants. The inducing method is used for prolonging a viewing period of plants used for flower arrangement and is characterized by comprising following steps of: step 1, selecting arranged plants; step 2, utilizing a bactericide to process branches of arranged flowers; step 3, utilizing a plant growth regulator to process branches of arranged flowers; step 4, inducting water roots; and step 5, adding a nutrient solution for maintenance. The inducing method for water roots of plants has following beneficial effects: roots of arranged flowers processed by the method do not easily rot; arranged flowers are easily managed and are clean and hygienic; due to a long growth period, appreciation in a whole flowering stage is achieved such that an appreciation period can last one and even more than several months; the restriction on appreciating fresh cut flowers for a short period of time is eliminated on an original market for flower arrangement; combinability and variability are obtained; arranged flowers with roots in different kinds can be combined at will so as to satisfy the requirement for a flower market of people; and the inducing method has great market value.

The invention relates to a production process of advanced woody blend oil. The production process comprises the following steps of: respectively carrying out virgin expelling on camellia seeds, tea seeds, Chinese torreya seeds, pine nuts, walnuts, hickory nuts, brook feather and plukenetia volubilis fruits under the conditions that the virgin expelling temperature is lower than 150 DEG C, and the oil outlet temperature is lower than 90 DEG C to obtain corresponding virgin oils and virgin slags, wherein the oil yield is 60-70 percent; putting the obtained corresponding secondary expelled slags into a supercritical carbon dioxide kettle, and carrying out extraction to obtain an extract with edible ethanol as an entrainer, wherein the additive amount of the entrainer is 5 percent of the material weight, and extraction is carried out under the conditions that the pressure is 35 MPa and the temperature is 40 DEG C; after filtering the extract, secondarily filtering the extract and removing impurities of the extract by active carbon, and carrying out vacuum removing on ethanol in a rotary evaporimeter under the conditions of 40 DEG C, 8kPa and 25 turns / min to refine the extract; and mixing the virgin oils to obtain a finished product. According to the production process, the camellia seeds, the tea seeds, the Chinese torreya seeds, the pine nuts, the walnuts, the hickory nuts, the brook feather and the plukenetia volubilis fruits are all woody oil seeds and even advanced woody oil seeds, the growth period of the woody oil seeds is long, nutrition is more accumulated, and the woody oil seeds have more nutritive value and functions than herbal oil seeds.

The invention relates to an insulating aerating biological floating box which comprises angle columns, a box body frame, a front box wall, a rear box wall, a left box wall, a right box wall, a bottom box wall, a hydrophilic gallery, an aerating system, a mud discharge system, a photovoltaic power generation system, a ceiling frame, glass steel tiles, an insulating roller blind and a netty floating bed, wherein the angle columns which are four or more timber piles or reinforced concrete piles are erected in water; the box body frame is fixedly arranged on the angle columns; the front box wall is close to a river bank; the rear box wall is close to one side of the center of a river; a water inlet is formed on the left box wall; a water outlet and a mud discharge opening are formed on the right box wall; three-phase separators are distributed on the front, rear and right box walls; the aerating system comprises an aerating pump, an air inlet pipe, an air distributing pipe and an aerating head; the mud discharge system comprises a mud discharge pump and a mud discharge pipe; the netty floating bed is distributed on the water surface enclosed by the front, rear, left and right box walls; the netty floating bed is prepared from a wooden material or bamboo poles and nylon ropes.

The invention provides a compound calcium fluoborate and calcium fluoborate nonlinear optical crystals and a preparation method and application thereof. The chemical formula of the compound is CaB5O7F3 and the molecular weight is 263.13. The compound is prepared by a solid-phase synthesis or vacuum encapsulation method. The chemical formula of the crystals is CaB5O7F3; the molecular weight is 263.13; the crystals belong to the orthorhombic system; and the space group is Cmc21. The cell parameters are as follows: a=9.926(10) angstrom, b=8.400(8) angstrom, c=7. 966(8) angstrom, alpha = beta = gamma = 90 degrees, the unit cell volume is 664.2 (11) angstrom 3, the frequency-doubled effect of the crystals is about double the frequency-doubled effect of KH2PO4 (KDP), and the ultraviolet absorption edge is shorter than 190 nm. The crystals are grown by a melt method, a high temperature solution method, a vacuum encapsulation method, a hydrothermal method or a room-temperature solution method.The crystals have good chemical stability and can be used as ultraviolet and deep ultraviolet nonlinear optical crystals in an all-solid-state laser.

The invention relates to a parent cultivation method for the batch production of ricefield eel offspring seeds. The method is characterized by comprising the following steps of: selecting artificially fed ricefield eels with body lengths of 25-35cm as parent cultivation objects, wherein the proportion of female parent eels to male parent eels is (2-3):1, and the female parent eels and the male parent eels are separately cultivated; putting a net cage with an area of 2-5m<2> in a paddy field, and then flatly spreading soil of 18-20cm into the net cage, wherein the water level is 8-10cm higher than the soil in the net cage; and carrying out reinforced cultivation for 40-45 days, wherein the breeding density of the parent eels is controlled to be below 0.5kg / m<2>, and foods for the parent eels during cultivating are animal baits. For the parent eels cultivated by applying the invention, the survival rate reaches higher than 95 percent, the gonad maturation coefficient of the female eels is improved to be higher than 20 percent from 5 percent in a wild state, the later rate of inducing spawning can reach higher than 90 percent, the hatchability rate can reach higher than 95 percent, and the induced spawning of the parent eels can be carried out 10-15 days earlier, thereby the growth period of the ricefield eel offspring seeds in high-temperature seasons is prolonged, and the economic benefit of production can be effectively improved.

The invention discloses formula composition of piebald crystalline glaze. Components of the formula composition of the piebald crystalline glaze only comprise glass powder, zinc oxide, potassium feldspar, dolomite, calcite and a coloring crystallization-promoting agent. Meanwhile, a high-temperature uninsulated firing system of the piebald crystalline glaze is provided. By changing the componentsof traditional crystalline glaze and changing a traditional thought of long-time thermal insulation necessary to firing of coarse-grain crystalline glaze cooperatively, under conditions of supercooling below 400 DEG C and an average cooling rate of 120-210 DEG C / h, the artistic crystalline glaze with bright glaze and a flower-like crystal habit can also be produced, the diameter of crystal flowersis about 3-10 mm, the external boundary is obvious, the interior is radial, and the glaze has a multi-color effect. The technology has the significant characters that the firing system is simple, andenergy consumption is reduced, and is especially suitable for small and medium devices, and application prospects are wild.

The invention relates to the field of aquaculture and specifically relates to a method for early propagation of Siganus guttatus. Through technical approaches such as parent fish selection, temperature regulation, nutrition strengthening and hormone production promotion, early propagated fish fries of Siganus guttatus needed by breeding and production could be bred. The method provided by the invention has the advantages that operability is high, a spawning rate is high, season influences are small, emergence of fish fries is early, products can come into the market in advance, and the price of fish fries is high; and the earily propagated fish fries of Siganus guttatus bred by the method have a long growth cycle and a large specification for market appearance, and economic benefits can be increased significantly. Technologies are mature, safe and easy to master, can be quickly understood and mastered by farmers and are applicable to implementation of large-scale manual propagation of fish fries.

The invention provides a compound tin-boron-oxygen-chlorine and a tin-boron-oxygen-chlorine non-linear optical crystal as well as a preparation method and application. The compound has a chemical formula Sn2B5O9Cl, has a molecular weight of 470.70, and is prepared by using a solid-phase synthesis method or a vacuum packaging method. The compound of the crystal has a chemical formula Sn2B5O9Cl, hasa molecular weight of 470.70, belongs to an orthorhombic crystal system, has a space group of Pnn2, has cell parameters that a=11.281(3) angstrom, b=11.331(3) angstrom, c=6.5573(19) angstrom, alpha=90 degrees, beta=90 degrees and gamma=90 degrees, and has a unit cell volume of 838.2(4) angstrom<3>; a frequency-doubled effect of the crystal is about 0.5 time of that of KH2PO4(KDP); an ultravioletcut-off edge of the crystal is less than 350nm. The crystal is grown by using a melting method, a high-temperature liquid melting method, a vacuum packaging method, a hydrothermal method or a room-temperature solution method, the crystal is good in chemical stability and can be applied to all-solid-state laser emitters as a short wavelength non-linear optical crystal.

The invention relates to a plant cultivation method of a Hanfu apple anther, pertaining to the agricultural field. The invention comprises a Hanfu apple anther acquisition and disinfection and cleaning process 1, an embryoid abduction process 2, a plant differentiation process 3 and an abduction rootage and test tube plantlet grafting process 4. Compared with the prior art, the method of the invention has the advantages that: (1) such expensive hormones as 2,4-D, IAA, K, BA are reduced for an embryoid induction culture medium, thus reducing the cost and shortening the embryoid induction period by 60 days; (2) a novel hormone TDZ with comparatively better activity is adopted for an embryoid differentiation culture medium, thus improving the differentiation rate, and the differentiated plants grow well, which shows that the invention is beneficial to the rootage and grafting; (3) the plant can be grafted to the twig of greenhouse potted malus bacata in March, to enhance the survival ratio and greatly lengthen the growth cycle, thus reaching complete lignification and safely hibernating. The method of the invention is suitable for cultivating apple plants with apple anther.

The invention belongs to the technical field of aquaculture, and relates to a cherax quadricariratus seed warm shed fattening breeding method. The breeding method comprises the steps of establishment of a pond, pond cleaning and disinfection, warm shed establishment, fertilization and algae cultivation, aquatic plant growing, cherax quadricariratus seed putting, daily management and outdoor stocking for growing. A small shed fattening pond breeding mode suitable for features of cherax quadricariratus is established. On one hand, the seed stocking time is shortened, the growth cycle is prolonged, and the growing specification is improved; on the other hand, through early-stage small water body seed breeding, the seed breeding survival rate is increased, the breeding yield is increased, thus the comprehensive breeding benefit is increased, and through demonstrated leading, industrialized exploitation and popularization of the cherax quadricariratus are achieved.

The invention discloses fen-flavor liquor as well as a preparation method and device thereof and belongs to the technical field of liquor. The fen-flavor liquor comprises raw materials in parts by weight as follows: 40-50 parts of rice, 3-8 parts of sorghum, 3-8 parts of glutinous rice, 3-8 parts of maize, 3-8 parts of millet, 3-8 parts of sago, 3-8 parts of oat, 3-8 parts of chickpeas, 3-8 parts of lotus seeds, 3-8 parts of lily bulbs, 3-8 parts of buckwheat, 180-320 parts of mountain spring water and 0.2-1 part of distiller's yeast. The invention further discloses the preparation method and device of the fen-flavor liquor. The fen-flavor liquor is prepared from 11 kinds of grain as basic raw materials, is fully transparent, milk white, soft and fragrant, has effects of cooling and moisturizing the throat, clearing the lung, realizing sweet aftertaste for a long time and the like and cannot cause headaches if a person drinks too much of the liquor; besides, the preparation method and device are simple, have the broad market prospect and are suitable for large-scale production.

Provided is a novel cultivation technique of rice field eels. During two years from young eel cultivation to adult eels, a cement pool cultivation method is used in the first year, and a net cage cultivation method is used in the second year. The undomesticated young eels are caught, the weight of each young eel is 50-80g, the weight of each adult eel is 150-200g, cement pool cultivation is carried out from April to August each year and changed into net cage cultivation from March to April in the first year, and the adult eels are sold from October to December in the second year. A cement pool is composed of a plurality of small pools, wherein each small pool is 3 meters wide, 0.8 meter deep and 4-5 meters long. A water drainage valve and a water inlet valve are respectively arranged on one side of the cement pool for form an opposite angle, an escape-proof net is arranged on a water drainage pipe opening, and a layer of plastic film is covered on the pool wall. The technique has the advantages that the cement pool cultivation is used in the first year so that feeding and moving conditions of the rice field eels can be conveniently observed, and domestication is good; the cement pool cultivation is good in freshness and oxygen dissolving property, and only needs water supplement at regular intervals; eel fry are successfully domesticated in the cement pool, and can adapt and feed immediately after being moved to a net cage; and the growth cycle is greatly prolonged, and the weight gain proportion is large.

The invention discloses a method for preventing hemorrhage disease of grass carps. The method comprises the following steps: (1) management: periodically mixing baits and feeding parental fishes with immunopotentiator within the three months before overwintering, and feeding barley straw and formula feed; (2) hatching artificially reproduced eggs to obtain summer grass carp fries; (3) cultivating the summer grass carp fries and putting them into a pond, then inducing domesticating summer grass carp fries to eat the formula feed; and (4) when stocking fries, feeding large grass carps, silver carps and bighead carps in the fish pond; and (5) performing fry feeding management. The prevention method is simple and easy to operate, and by comprehensively using the formula feed and the immunopotentiator and other prevention methods, the good effect of preventing the hemorrhage disease of grass carps can be finally achieved, and the survival rate of the grass carps can be achieved by more than 90%.

The invention discloses a compound plant anti-hair loss hair growth lotion. The compound plant anti-hair loss hair growth lotion includes the following components in percentages by mass: 1-5% of cacumen platycladi extract, 1-5% of camellia seed cake extract, 1-5% of ginger root extract, 1-5% of ginseng root extract, 1-5% of fructus forsythiae extract, 1-5% of radix polygoni multiflori extract, 0-0.05% of caffeine, 0.1-0.4% of an antibacterial agent, 0.1-0.5% of a moisturizer, and the balance of water. The compound plant anti-hair loss hair growth lotion provided by the invention takes hair follicle stem cells as a target, and induces the expression of multiple growth factors, thereby regulating the proliferation and differentiation of the hair follicle stem cells, improving the supply of blood to scalp, and inducing hair follicles during dormancy to return to an active growth period; and the lotion can effectively end abnormal hair loss and promote hair regeneration.

The invention relates to a guanidine tetrafluoroborate nonlinear optical crystal and a preparation method and application thereof. The chemical formula of the crystal is [C (NH2) 3] BF4, the molecular weight is 146.89, the crystal belongs to a trigonal system, the space group is R3m, and the cell parameters are as follows: a = 7.4634 (10) angstroms, b = 7.4634 (10) angstroms, c = 9.1216 (19) (6) angstroms and Z = 3. The ultraviolet cut-off edge is 200 nm, the frequency doubling response is 4-5 times that of a commercial nonlinear optical crystal KDP, and the crystal with the centimeter-level size is grown by adopting a hydrothermal method, a room-temperature solution method, an evaporation method or a solvothermal method; the invention relates to the application of the crystal for preparing harmonic light output with frequency doubled or frequency tripled or frequency quadrupled or frequency quintupled or frequency sextupled of 1064 nm fundamental frequency light outputted by an Nd: YAG laser, or generating ultraviolet and deep ultraviolet frequency doubled light output lower than 200 nm, or for preparing a frequency doubled generator, an upper or lower frequency converter or an optical parametric oscillator. The crystal has the advantages of wide light-transmitting wave band, stable physical and chemical properties, high mechanical hardness, difficulty in fragmentation and deliquescence, easiness in cutting, polishing, processing and storage and the like, and has important application in the fields of optics, laser lithography and communication.

This invention relates to a growing method for a flux of a non-linearity optical crystal including preparing materials according to the mol ration of 1;5-7.54 : 2.3-3.5: 8.75-35 of Na3La9B8027:Na20:B203 :NaF pre-processing, then rising the temperature in a crystal growing furnace till the complete melt, in which, the constant temperature uniforms the solution fully then introducing inoculating crystals above the saturation temperature of 5-20deg.C and keeping constant for 10-30mitutes then reducing the temperature quickly to the saturated, controlling the parameters to grow crystals, then the crystals break away from the surface to reduce the temperature to the room in the rate not greater than 50deg.C / h to get the crystal.

The invention provides a method for reproducing purple yam seedlings by tissue culture. The method takes a purple yam tender stem tip of 1.0cm as an explant and comprises the following steps: sterilizing the explant by 75% alcohol and a 0.1% mercuric chloride solution; inoculating the explant on an initial culture medium MS0; after the stem tip is survived, treating a regenerated tender stem tip of 0.5-1.0 mm; carrying out stem tip induction culture, stem tip subculture multiplication culture and rooting culture with different culture media at different periods to obtain a purple yam bottle seedling; after the seedling height is about 2cm, transplanting the bottle seedling into a nutrition bowl substrate for hardening; and culturing for 50-60 days till the seedling grows to be as high as 10cm, thereby obtaining the purple yam seedling. A stem tip induction multiplication culture medium is formed by MS, 0.5mg / L of 6BA and 0.1mg / L of NAA; a rooting culture medium is formed by 1 / 2MS, 0.2mg / L of NAA and 0.2g / L of Ac; each culture medium contains 45g / L of edible sugar and 6g / L of agar, and the pH of each culture medium is 5.7. According to the method, a germination accelerating manner is simple and convenient and the germination speed is high; a detoxification manner is simple and rapid and the detoxification rate is high; the variety is high in quality and pure; with the method, the industrialized production of purple yam tissue culture seedlings and the popularization of breed improvement can be realized.

The invention belongs to a shellfish breeding technology, and particularly relates to a 'northern breeding and southern raising' culture method in which hybrid scallops of argopecten purpuratus and argopecten irradians are bred in the north and then transferred to the south for raising to culture large-sized scallops. A new hybrid variety bred from the first-filial generation of argopecten purpuratus and argopecten irradians is used as seed scallops, scallop seedlings are bred in the north in early summer or autumn and then transported to a southern sea area to continue being cultured, and large-sized commercial scallops are obtained. The method can effectively increase the size of cultured scallops, increase the value of scallop products, effectively guarantee the product quality and safety of scallops, increase the production of high-quality marine protein and increase the income of fishermen, and provides a new path for the healthy and sustainable development of the scallop cultureindustry.