2746results about How to "Guaranteed normal growth" patented technology

The invention comprises a composite microbial agent applicable to efficiency enhancement of common chemical industry sewage treatment systems. The composite microbial agent applicable to efficiency enhancement of the common chemical industry sewage treatment systems meets the demands on treatment on comment pollutants in existing chemical industry and environmental production as well as on establishment of functional bacteria required by a stable bacteria flora. According to one of the schemes, the composite microbial agent is composed of 108 microorganisms of three major functional types. When the composite microbial agent is added together with microbial growth promoting carriers, nutrient agents and the like into a biochemical system, the composite microbial agent can promote establishment of a complete food chain in the biochemical system through various microorganisms with special pollutant degrading capabilities and comprehensive metabolic manners to enhance utilization and metabolic decomposition of pollutants in sewage through the microorganisms, thereby achieving efficient reduction of COD (chemical oxygen demand), ammonia nitrogen, phosphorous, sulfur and like.

The present invention discloses a fruit and vegetable probiotic tablet and a preparation method thereof. The fruit and vegetable probiotic tablet uses probiotic powders such as lactobacillus plantarum powder as the main raw material, and the preparation method scientifically mixes modified dietary fibers, fruit and vegetable powder, oligosaccharides, plant extracts, protein powder, tea leaf extracts and traditional Chinese medicine extracts and etc., thus improves the content of soluble celluloses which are of real significance for probiotic flora, enhances the physiological activity of celluloses, thereby increases the species of intestinal probiotic flora as well as significantly enhances the colonization ability and time of endogenous and exogenous probiotics in the human intestinal tracts, effectively inhibits the growth and reproduction of harmful intestinal bacteria, especially gram-negative bacteria, and fully regulates the composition of the intestinal probiotic flora. The prepared fruit and vegetable probiotic tablet has a high biological activity, a long human intestinal colonization time, and a significant weight loss effect, and is suitable for a wide range of people.

The invention discloses ankistrodesmus sp containing lipid as well as culture and applications of ankistrodesmus sp, wherein the ankistrodesmus strain is SS-B7, the classification name of SS-B7 is Ankistrodesmus sp, and the ankistrodesmus sp SS-B7 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on April 15, 2013, and has the preservation number CGMCC No.7478. The ankistrodesmus sp SS-B7 has tolerance to CO2 and NOx with high concentrations, and has high carbon sequestration efficiency, the content of total lipids in the cells of the obtained biomass accounts for 40% or above of the dry cell weight, and the ankistrodesmus sp SS-B7 can be used for producing biodiesel.

The inventive apparutus and method for growing diamond monocrystal at high-speed belongas to the technical field of diamond materials. The said apparatus is provided with sample tray 5 on the substrate holder in the settling chamber of chemical vaporous depositon system; sample tray 5 being provided with close annular frame 2 on the multi-crystal diamond film. It can also be provided with diamond powder 3 in the cavern in the close annular frame 2. The inventive method is that, monocrystal diamond crystallon 4 is placed into the settling chamber through the cavern in the close annular frame 2 and is etched in advance by plasma in situ; then diamond monocrystal is grown in the atmosphere of methane, hydrogen and nitrogen. The method includes that possible non-diamond phase and structural cavern are determined to be treated by observing brightness variation of growth face. The inventive apparatus is simple and easy to machine; and it does not bring any pollution for growing monocrystal diamond and has good thermal conduction. Transparent diamond monocrystal can be produced by the inventive method, and the growing speed can be more than 100 mm / hour.

The invention discloses a compound microorganism fungicide for improving the water quality of a culturing water body and a preparation method. The compound microorganism fungicide is prepared by taking the strains by weight percent: bacillus subtilis, yeast, lactic acid bacteria, photosynthetic bacteria, nitrifying bacteria, bacillus licheniformis, and the like. The preparation method comprises the following steps of: firstly, culturing the bacillus subtilis and bacillus licheniformis: culturing the bacillus subtilis and bacillus licheniformis on a beef extract peptone culture medium; secondly, culturing the yeast: culturing the yeast on a lactic acid-potato-glucose culture medium; thirdly, culturing the lactic acid bacteria: culturing the lactic acid bacteria on a wort culture medium, inoculating on a triangular flask for culturing, and finally inoculating on a solid culture medium for culturing; fourthly, culturing the photosynthetic bacteria; fifthly, culturing the nitrifying bacteria; and sixthly, stirring and mixing the cultured strains by weight ratio, and drying at low temperature, thereby obtaining the compound microorganism fungicide. The formula is reasonable; the use is convenient; water is uniformly splashed; the method is easily performed; and the operation is convenient.

The invention relates to an ecological slope protection type sewage land infiltration system which comprises a grid pond (2), an anaerobic hydrolyzing pond (4) and a stepped land infiltration unit which are sequentially arranged along the gradient of a sloping field from top to bottom, wherein the grid pond (2) is communicated with a ditch (1); the stepped land infiltration unit comprises multilevel slope protection infiltration beds (5); filter materials (7) are filled in the slope protection infiltration beds (5); hygrophyte communities (9) are cultivated on the slope protection infiltration beds (5); a modal conversion assembly (6) used for controlling infiltration speed, waterpower retention time, a filtering layer internal environment and an effluent water mode is arranged between adjacent slope protection infiltration beds (5). The ecological slope protection type sewage land infiltration system disclosed by the invention tolerates the rural sewage quality water flow impact, is difficult to block due to high reaeration capacity, intensifies the denitrification and dephosphorization effect, is green, energy-saving, economic and practicable and has excellent water conservancy and ecology value.

The invention discloses a compound fertilizer capable of reducing cadmium content in rice with overproof cadmium and a preparation method thereof. The fertilizer is prepared from urea, ammonium chloride, ammonium sulfate, diammonium phosphate, nitrophoska, a calcium magnesium phosphate fertilizer, potassium chloride, zinc sulfate, sepiolite, ferrimganic oxide, kaolin, bentonite and power plant slags in a certain proportion. The preparation method comprises the following steps: A, preparing the sepiolite; B, preparing the ferrimganic oxide; C, preparing the kaolin; D, preparing the bentonite; and E, preparing the power plant slags. In addition, scale production is carried out by a compound fertilizer process flow namely extrusion and granulation. The compound fertilizer is characterized in that 38.5-50.5% of passivator such as sepiolite, ferrimganic oxide, calcium magnesium phosphate fertilizer, kaolin, bentonite, power plant slags and the like (wherein the sepiolite accounts for 20-32.5%) are contained; the content of the total nutrition (N+P2O5+K2O) is 25%, the soil activated cadmium in the rice with the overproof cadmium is reduced by 31.9-58.5%, rice cadmium is reduced by 28.7-51.7% (the content is less than 0.2mg / kg); and the compound fertilizer has huge popularization and application value in light-grade cadmium-polluted areas.

The invention provides a control method, a control device and a steam cooking device. The control method is used for controlling cooking cavity temperature of the steam cooking device and includes steps of detecting temperature of a cooking cavity of the steam cooking device, controlling operation power of the steam cooking device according to the detected temperature of the cooking cavity so as to control the temperature of the cooking cavity. By the control method, operation power of the steam cooking device can be accurately controlled according to the temperature of the cooking cavity, so that the temperature of the cooking cavity can be controlled, energy consumption caused by fluctuation of the temperature of the cooking cavity is reduced, and steam cooking effect is thereby guaranteed.

The wick-type garden rain water collector consists of five parts including rain water collecting funnel to collecting surface water, filtering net to filter out impurity, movable inlet tongue to avoid evaporation loss of water, water collecting bottle to store water rain and wick type watering pipe to irrigate trees through permeation. The wick-type garden rain water collector may be used widely to irrigate trees durably and fight drought effectively.

The invention discloses a water-saving salt marsh physic-chemical-ecological integrated modification and vegetation construction technique. The invention firstly digs a dripping slot at the ground needed reconstructed, and lays the material which is anti-corrosion and permeable in said dripping slot and lays a certain depth of stones above this; covers the stones with the material which is anti-corrosion and permeable to construct the dripping blind slot; backfills the soil excavated from said dripping slot; fills the acid organic manure above said backfilled soil surface; processes deep tillage on the manure soil to laid acid organic manure; and constructs the salt-extract permeable channel. The invention also has an automatically precipitation system. The invention has the advantages that: it avoids dig slot, remove soil, lays dripping layer, lays blind pipe, changes planting soil, which can confirm the normal growth of nursery-grown plant and avoid the destroy on the infield.

The invention discloses a greenhouse vegetable type culture method for grape, which comprises the steps of culture time, culture density, field planting ditch digging, small pit culture, planted exposed land management, management after greenhouse building, management after harvesting and the like. The greenhouse vegetable type culture method for grape has the advantages that the problems of small density and low yield, the problem of yield influence caused by variety replacement, the problems of low yield and poor quality caused by vine aging and the problem of unbalanced overground and underground growth are solved, simultaneously, the grape varieties can be changed every year according to requirements, branches in the greenhouse are all seasonable fresh branches and vines, the annual mother vine fruiting in each year is realized, the yield can not be influenced between years, and the acre yield reaches more than 4000kg.

The invention discloses a method for directly seeding rice, which comprises the following steps of: preparing soil; preparing a slag fertilizer; soaking seeds and accelerating germination; digging holes and seeding in a dry field; weeding; fertilizing in a land for growing field crops; thinning; and preventing and controlling plant diseases and insect pests. Since the method for directly seeding the rice directly digs holes and seeds in the field, the method can ensure that rice in a dry area grows normally by using a little amount of water before the head sprouting process of the rice, achieves good drought-resisting and water-saving effects, eliminates the transplanting step, avoids damaging root systems of the rice, strengthens the tillering capacity of the rice, achieves high yield, simplifies the working procedure, saves labor force, has low production cost, high efficiency and convenient operation, and can be widely used for planting rice in mountain areas, hilly areas, easily droughty areas and water-lacking dead angles of pieces of paddy fields.

The invention discloses a method for preparing a ZnO / Cu2O heterojunction material and a ZnO / Cu2O three-dimensional structure heterojunction solar cell. The preparation method of the heterojunction material includes growing an n-type ZnO nanorod array on a substrate by a liquid phase growth method. Thin film, use alkaline copper salt solution as electrolyte, deposit at a deposition potential of -0.4~-0.6V for 60-150s, electrochemically deposit p-type Cu2O on the surface of ZnO nanorods to form a Cu2O seed layer; use alkaline copper The salt solution is a deposition solution, and the electrochemical deposition method is again used at a deposition potential of -0.05 to -0.3V to fully fill Cu2O from bottom to top into the gaps of the nanorod array to form a ZnO / Cu2O three-dimensional structure heterojunction material. The filling depth and density of the Cu2O semiconductor film of the present invention are increased, interface defects are reduced, and the heterojunction battery produced has high battery efficiency.

The present invention discloses a fully soluble aquatic fertilizer and its preparation method and pertains to aquaculture field. The aquatic fertilizer of the present invention comprises monoammonium phosphate 15-45%, sodium humate 12-20%, sodium silicate 5-12%, compound premix 8-13%, and urea 30-40%. The compound premix is mainly composed of trace elements. Firstly, the aquatic fertilizer of the present invention has comprehensive nutrition and balanced formula; secondly, the present invention has high dissolution speed and utilization rate; thirdly, the present invention features simple use method, small use amount, sufficient content, long lasting time and low cost; fourthly, the present invention can not only promote the mass propagation of food organisms of aquatic animals but also specifically cultivate helpful algae, improve water quality, increase dissolved oxygen, effectively avoid pond poisoning, reduce diseases, lower feed coefficient and enhance fish immunity; the present invention is green and environment-friendly, and has stable quality and no harm on human and animal and no pollution on environment.

The invention relates to a new-energy phase-change energy-storage antibacterial intelligent control greenhouse, which comprises a gable wall, a rear wall, an enclosing wall, floor tiles and a greenhouse top. A thermal insulation layer is arranged on the external side of the main wall body of the gable wall, the rear wall and the enclosing wall. A phase change energy storage layer is arranged on the floor tiles on the internal side of the main wall body. A solar heat collector, a solar panel and a wind power generator are installed at the greenhouse top. A radiator and an electric heater are installed in the greenhouse. The solar heat collector is connected with the radiator and a geothermal pipe through a heating medium pipe. The solar panel and the power output end of the wind power generator are connected with the electric heater and an electric heating cable through a storage battery. The invention has the advantages that the indoor temperature of the greenhouse is kept to be constant through energy complementation because solar photo-electricity, photo-heat and wind energy are used as energy and the energy storage function of the phase change energy storage material is used; the natural energy is fully utilized, the production cost is saved, the product price is reduced and the environmental pollution caused by high energy consumption is avoided; and the health growth of plants is ensured because the antibacterial coating layer on the internal side of the wall body can prevent insects and bacteria from breeding.

The invention discloses a greenhouse cultivation method of dragon fruit. The method includes: building a greenhouse on a land having pH of from 5.5 to 6.5, and providing a first insulation layer; applying organic fertilizer in the greenhouse to make ridges; laying mulching film and pillars; from March to May, after the application of the fertilizers, planting dragon fruit saplings; after the planting of the dragon fruit saplings, setting up arches over the ridges; after the setting-up of the arches, performing irrigating once three to four days for 20 to 35 days on the whole; during planting of the dragon fruit, applying compound fertilizer once a month; clipping off weeds, and covering the roots of the dragon fruit plants with the weeds; after branches of the dragon fruit plants grow to 1.3 to 1.5 m in length, performing cropping; after the dragon fruit is in a fruiting phase, performing artificial pollination and thinning flowers and fruits. The method is suitable for the growth of the dragon fruit, and the dragon fruit planted by the method has good quality and high yield.

The invention relates to a composite planting and cultivating method for rice, procambarus clarkii and soft-shelled turtle, comprising the following seven steps: neatening the preliminary rice field; catching the procambarus clarkii of the last year; catching the soft-shelled turtle of the last year; putting and cultivating the soft-shelled turtle of the year; seeding paddy rice; cultivating the procambarus clarkia of the year; and harvesting the paddy rice. In the invention, a planting and cultivating region is constructed by excavating ditches in a paddy rice field; after harvesting the paddy rice, the zooplankton in the water cultivated through straw return is used as the bait of crayfish; the growth and reproduction of the crayfish are guaranteed by combining the ditches with the paddy rice field; the crayfish is capable of eating a part of the insect pest of the rice so as to guarantee the growth of the paddy rice; the physique of the turtle is guaranteed through eating fresh crayfish; the excretion of the crayfish and the turtle is decomposed through micro-organism preparation, is changed into nutrient substance and is absorbed by the paddy rice; and since the crayfish is high sensitive to chemical pesticide, the use of the chemical pesticide under the production mode in the invention can be eliminated, and the safe agricultural product is produced.

The invention relates to a culture method of hericium erinaceus. A culture medium of hericium erinaceus is prepared from the following components in parts by weight: 65-70 parts of saw dust, 12-17 parts of walnut shell, 5-6 parts of solidago decurrens, 1-2 parts of vinegar residue, 12-15 parts of wheat bran, 5-8 parts of bean pulp, 1-2 parts of gypsum powder, 1-2 parts of cicada slough powder, 0.2-0.3 part of potassium dihydrogen phosphate, 1-2 parts of citric acid residues, 1-2 parts of gynostemma pentaphyllum powder, 1-2 parts of japanese metaplexis pericarp powder, 0.5-0.8 part of hawthorn powder, 1-2 parts of poncirus leaf powder and 3-4 parts of modified zeolite powder. The culture method comprises the following steps of: mixing the components in proportion; adding water and uniformly mixing; bagging; sterilizing; inoculating; growing fungi in a fungus growth room; fruiting; and harvesting. The culture medium has a scientific formula; cultured hericium erinaceus has rich nutrition, high content of microelements, vitamins and calcium, a hypertension relieving healthcare function and high anti-infection capacity during a fruiting period, and the yield of hericium erinaceus is high; meanwhile, the waste is changed into an edible substance, and an effect of turning waste into wealth is achieved so as to make contribution to the conservation-oriented society.

The invention relates to a cultivating method of healthcare cassia seed contained coprinus comatus. The cultivating medium is prepared by components: by weight, 50-60 parts of cornstalk, 30-40 parts of cottonseed hull, 5-10 parts of rice bran, 10-15 parts of potato powder, 1-2 parts of land plaster, 1-2 parts bagasse, 0.2-0.3 part of calcium carbonate, 2-3 parts of quick lime, 1-2 parts of sealwort powder, 1-3 parts of immature bitter orange powder, 1-2 parts of radix angelicae powder, 1-2 parts of cassia seed powder, 1-3 parts of caragana microphylia flower, 1-3 parts of momordica grosenori leaves, 2-3 parts of sepiolite powder, and 8-10 parts of bone soup. The cultivating method includes mixing the components according to proportion, adding water to mix, bagging, sterilizing, inoculating, growing fungus in a growing room, replenishing nutrient solution and fruiting to obtain coprinus comatus. The coprinus comatus cultivated is rich in nutrients, high in content of microelements, vitamins and calcium, has healthcare function of the cassia seeds, and is high in anti-infection ability and yield during fruiting of the coprinus comatus.

The invention discloses a synchronous ditching ridging fertilizing seeder for paddy field, comprising a power machine, a fertilizing power driving system installed on the power machine, a fertilizer ejecting system, a hanging device, a sowing system, a sowing power driving system and a ditching device. The hanging device is installed at the back part of the power machine and is connected with the sowing system to control the sowing system and the ditching device installed below a sliding plate in the sowing device to be lifted up or to be lifted down; the power machine is respectively drives the sowing system and the fertilizer ejecting system by the sowing power driving system and the fertilizing power driving system. The ditching device is synchronously ditched with water storing ditches, sowing ditches and fertilizing ditches, wherein ridges are formed between each two water storing ditches, and the sowing ditches and the fertilizing ditches are positioned on the ridges. The invention can realize synchronous ditching, synchronous ridging, synchronous fertilizing and paddy production with water saving and fertilizer saving, can increase the yield of the paddy to be more than 10%, save the fertilizer to be more than 20%, and has obvious ecological benefit and economic benefit.

The invention discloses a swelling granular mixed feed for adult pelteobagrus fulvidraco, relating to the field of pelteobagrus fulvidraco feed. The feed is suitable for feeding the pelteobagrus fulvidraco in adult stage (namely the pelteobagrus fulvidraco in the adult stage with the weight of more than 20g); the feed is a mixture prepared by all raw materials according to the processing method of swelling granular feeds; according to the weight percentage, the feed comprises the following raw materials of: 36-40% of fish meal, 15.58-19.6% of flour, 3.5-4% of cottonseed meal, 16-20% of soybean meal, 6-7% of maize protamine, 4.5-5.5% of fish oil, 6-7% of beer yeast, 1-1.5% of mineral matters, 0.5-0.6% of choline chloride and 0.2% of multivitamin. Compared with normal mixed feed, the swelling granular mixed feed has the advantages of comprehensive nutrition, high livability, little pollution on culture water, greenness, and no public nuisance.

The invention relates to a method for recovering the wetland of hurt lake, with plant biological theory, ecological theory, etc, wherein the invention can increase the lives of wetland system, and recover the natural wetland ecological system, to realize the self-maintenance function of natural wetland group. Therefore, via the metabolism, physical and chemical functions of wetland plant and soil, the organic and inorganic can be stop at the wetland system, while the harmful one is decomposed into innocuous one, to purify the water. The invention has low cost, and high purifying efficiency.

The present invention discloses a method to plant Moringa oleifera used to dry-land fruit trees at the dry and hot valley of Jinsha River, pertaining to the field of forestry planting technologies. The method includes five steps, i.e. nutrition-bag seedling raising, selection of planting land, planting, caring and protection, and seed collection. A 60cm wide streaky level-ground is prepared 1-2 months prior to planting, the row spacing is 250cm, the plant spacing is 250-300cm, 60 multiply 60 multiply 70cm pits for Moringa oleifera planting are dug, 3-5kg farmyard manure or 1kg fertilizer mixture containing 16 percent of calcium superphosphate is filled in each pit as basal fertilizer; the seedlings are raised from April to May, and planted during the rainy season from June to July; the Moringa oleifera is trimmed and sheared carefully; irrigation is conducted 2-3 times during dry seasons, and fertilized once during the irrigation in January. The method is comprehensive, simple and easy to promote, and is capable to achieve 40-57kg Moringa oleifera seeds per mu 3-4 years after planting, the yield is increased by 24-78 percent and 27-81 percent compared with 1 and 2 respectively; thereby, the yield per unit area and the income are increased.

The invention discloses weight-losing probiotic tablets and a preparation method thereof. According to the weight-losing probiotic tablets and the preparation method thereof, probiotic powder such as lactobacillus plantarum is taken as a main raw material, and modified dietary fibres, fruit and vegetable powder, oligosaccharides, plant extract, protein powder, tea leaf extract, Chinese herb extracts and the like are scientifically compounded, thus increasing the content of soluble celluloses with real significance in probiotic groups, and enhancing the physiological activity of the celluloses, and then remarkably improving the planting capacity and the planting time of endogenous and exogenous probiotics in human intestinal tracts, effectively suppressing the growth and the reproduction of intestinal harmful bacteria, in particular, Gram negative bacteria, and adequately regulating the composition of the intestinal probiotic groups while increasing the types of the intestinal probiotic groups; the prepared weight-losing probiotic tablets are high in bioactivity, long in planting time in the human intestinal tracts, remarkable in weight-losing effect, and wide in the range of appropriate crowds.

The invention relates to a method for transplanting cotton seedlings. The method comprises three steps of preparation of a matrix, sowing and transplanting sequentially. Step 1, cotton stalks, rape stalks, corn stalks, soybean stalks or wheat straws are crushed, added with a nitrogenous fertilizer, and mixed with human excrement or livestock and poultry manure bio-fertilizer or other fertilizers to obtain a mixture which is treated to obtain a prepared material, then the prepared material is sun-dried or baked, added with a fungicide and bagged for spare use; step 2, the prepared cotton stalk matrix or the matrixes prepared from other stalks are filled in a seedling raising aperture disk or flatly spread on a plastic film laid on the ground as a seedbed, seeds are sown, watered and covered with an agricultural film, and seedlings are raised under heat insulation condition; step 3, an antitranspirant and a rooting agent are applied before transplanting; the taken seedlings are bound, put in the watered rooting agent solution for root soaking, and then taken out and put in a watered gel containing a water retention agent to dip the roots; when in transplantation, the water retention agent is applied to planting furrows; after transplantation, the seedlings are covered with soil, and irrigated with adequate water for fixing the roots. The method is characterized by high seedling survival rate, stable effect, short rejuvenation period, low cost and environmental protection.

The invention discloses special slow release fertilizer for grapes. The fertilizer is prepared from, by weight, 100-120 parts of brewery wastewater, 50-80 parts of sugar refinery wastewater, 20-30 parts of vinasse, 80-90 parts of corncob powder, 50-60 parts of peanut hull powder, 30-40 parts of wheat bran, 60-90 parts of residues of oil manufacture, 50-60 parts of smooth vetches, 70-80 parts of sweet clovers, 60-80 parts of azoila imbricata, 5-8 parts of zeolite powder, 10-12 parts of activated carbon, 30-50 parts of horse manure, 20-40 parts of goat manure, 35-45 parts of chicken manure, 20-30 parts of silkworm excrement, 1.2-2 parts of superphosphate, 0.08-0.1 part of borax, 3-5 parts of complex enzyme preparations, 8-12 parts of complex fermentation microbial agent, 5-10 parts of nanocarbon, 30-40 parts of residues from a biogas digester, 20-30 parts of humate, 15-35 parts of roots of soybeans, 20-25 parts of dregs of a decoction, 16-25 parts of straw powder and the like. The invention further discloses a preparation method of the special slow release fertilizer for grapes.

The invention discloses a reinforced aerobic granular sludge culture method, and belongs to the field of sewage treatment. The method comprises the following steps of: arranging symmetrical permanent magnets at the outer side of the bottom of a sequencing batch airlift reactor (SBAR), so that stable static magnetic fields are generated in the reactor; simultaneously adding flocculent aerobic active sludge serving as seed sludge into the SBAR, and performing aerobic granular sludge culture; and operating the SBAR in a mode of water inlet, aeration, settlement and drainage. By the method, the formation of the aerobic granular sludge can be accelerated, the complete granulation time of the flocculent active sludge is shortened to 3 to 4 weeks, and the problem of overlong culture time of the conventional aerobic granular sludge is solved. The aerobic granular sludge obtained by the method has good stability, and the chemical oxygen demand (COD) and the ammonia nitrogen removal effect can be remarkably improved.

The invention discloses a heavy metal contaminated soil remediation device which comprises a contaminated soil layer (1), wherein an isolated adsorption layer (2) covers the contaminated soil layer (1), and a soil dressing layer (4) is arranged on the upper surface of the isolated adsorption layer (2); accumulator plants (5) are planted on the soil dressing layer (4), and a permeable layer (3) is arranged in the soil dressing layer (4); a plurality of water collecting pipes (6) are arranged in the permeable layer (3), and a plurality of water inlet holes (8) are formed in the water collecting pipes (6). The invention further discloses an isolated remediation method using the device. The method comprises the following steps: adsorbing heavy metals in contaminated soil through the isolated adsorption layer (2), then enriching the heavy metals through the accumulator plants (5), removing the accumulator plants (5), and removing the heavy metals in the soil. The heavy metal contaminated soil remediation device has the advantages of low cost, small occupying space and high contaminated soil remediation efficiency.

The invention discloses a flexible MEMS resistance-reducing skin and a manufacturing method thereof used for reducing skin friction resistance during the advancing of on-water or underwater vehicles, which employs micro-fine resident bubbles to reduce resistance and belongs to the fields of micro-machinery and fluid dynamics. The upper surface of the skin is a surface layer coated with micro-pit arrays and processed by surface soakage; electrolytic anodes and cathodes of comb-shaped micro-fine planar metal, which are attached on an insulating layer, are arranged at the bottom of the micro-pits; a flexible substrate is positioned below the insulating layer; wire leading terminals for electrodes are arranged on the lower surface of the skin; and both the surface layer and the substrate are made by flexible materials. The overall thickness of the resistance reducing skin is at sub-millimeter level, and the skin is in the status of flexible film. The manufacturing method is an MEMS micro machining technique compatible with the flexible MEMS technology. The flexible MEMS resistance-reducing skin is coated on the outer surfaces of the on-water or underwater vehicles, with power thereof supplied by the on-water or under-water vehicles. Micro-bubbles stably residing in the micro-pits are formed by water electrolysis reaction to coat most parts of the surfaces of the on-water or under-water vehicles, thus realizing the function of reducing skin friction resistance.

The invention relates to a planting technology of agriculture wheat. The planting technology includes first time insecticide spraying, exposure to the sun, rotary tillage, fertilization, second time insecticide spraying, seed sowing and regular fertilization. The planting technology is reasonable in arrangement, remarkable in pest killing effect, timely in nutrition supply, and capable of guaranteeing the growth of the wheat effectively and guaranteeing the harvest of the wheat.