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61 results about "Deforestation" patented technology

Deforestation, clearance, clearcutting or clearing is the removal of a forest or stand of trees from land which is then converted to a non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use. The most concentrated deforestation occurs in tropical rainforests. About 31% of Earth's land surface is covered by forests.

Paper making method taking canes, leaves and fruit stems of banana tree as raw materials

The invention discloses a papermaking method taking canes, leaves and fruit stems of a banana tree as raw materials, which comprises the steps of collection and edge damaging of the materials, chipping, thread rolling, pulp washing, grinding, pulping, batching, siruping and paper making. The batching: adding modified cassava starch according to the weight proportion of the banana tree pulp to the modified cassava starch as 1000:1; and the siruping: cooking by heating the mixture of the banana tree pulp and the modified cassava starch to 100 DEG C. The invention is a papermaking method with low development cost and small labor intensity and takes the canes, the leaves and the fruit stems of the banana tree as the raw materials, which turns the useless waste into valuable material, makes full use of the resources and provides a new material resource for the papermaking industry of China, needs no chemical additive in the processes of pulping and grinding, plays an active role in the reduction of deforestation for the demand of papermaking and in the protection of the ecology, breaks the traditional papermaking process and is a pure-nature papermaking process without discharge of 'the three wastes (wastewater, waste gas and waste residue)'.
Owner:西双版纳倡华生物科技有限公司

Edible disposable chopsticks and preparation method thereof

The invention discloses edible disposable chopsticks and a preparation method thereof, and belongs to the field of food. The edible disposable chopsticks are prepared from the following raw materials in parts by weight: 1,000 parts of edible flour, a flour quality improving material which meets a national standard or a general proportion and 200-520 parts of water. The raw materials are mixed and stirred into dough, the chopsticks are formed and baked, and then the disposable chopsticks which are dehydrated and cured at high temperature are obtained. A nutritional material, a health-care effective material and a color material are added to add various functions. Because the growing period of the flour is greatly shorter than the growing periods, which are 20 years in average, of wood and bamboo, the utilization efficiency of land resources is high, and beneficial effects of effectively reducing excessive deforestation, preventing deforestation, treating water and soil loss thoroughly, even treating sand wind and changing the climate, reducing garbage and environmental pollution and the like are achieved. The policy of taking coarse cereals such as potatoes and corns as staple food as initiated by the government of China is met. The formula is simple, applicability of the raw materials is extensive, natural and healthful food materials can be optimized, a preparation technology is simple, the production cost is low, and the edible disposable chopsticks are suitable for being produced industrially.
Owner:靳岐亮

Culturing method for orchid

The invention discloses a culturing method for orchid. Through hardening tissue culture vessel seedlings in a seedling-hardening substrate, and middle and big seedlings are obtained through one or more years of culturing and then planted into a culture medium to be cultured, so that adult seedlings of the orchid are obtained. The culturing method and the substrate have the advantages of good water retention, fertilizer maintenance and moisture preservation; cleanness is achieved in the using process, harmful bacteria are not prone to being generated, good growth of the seedlings is guaranteed, and the growth of the orchid is facilitated; the substrate is made of agricultural waste, is ecological and environmentally friendly and saves the cost. The substrate increases the survival rate of hardened tissue culture seedlings of the orchid, the transplanting survival rate reaches 95% or above, growth speed is high, and the seedlings start to take root and come into leaves about 30 days after transplanting. The growth of the middle and big seedlings is promoted, the uniformity of the seedlings is improved, blooming is advanced, potting quality is excellent, and the production cost is lowered. The culturing method has the advantages that the production period is short, the production cost is low, air permeability and water permeability are good, and collecting and transporting are facilitated; the agricultural waste is effectively utilized for reducing deforestation, and therefore the environment is protected.
Owner:FLOWER RES INST OF YUNNAN ACAD OF AGRI SCI

Method for producing building materials and wood substitutes from fast-growing carbon sink grass

InactiveCN107032668AFast consumptionSave clean developmentReed/straw treatmentPulping with inorganic basesBiosphereFiber
The invention discloses a method for producing building materials and wood substitutes from fast-growing carbon sink grass. The fast-growing carbon sink grass is planted on barren hills and slopes, in marginal land and in polluted land required to be remedied, and biomass yield increase with leaps and bounds is realized through mowing; dynamic CO2 gas in the atmosphere is transferred to the biosphere, a static solid organic carbon compound is formed, excessive CO2 remaining in the atmosphere is allocated to the industry chain including production and storage of products with plants as a raw material, the concentration of CO2 in the atmosphere is adjusted, and global climate warming is inhibited. The method comprises steps as follows: (1) the planted fast-growing carbon sink grass is harvested at proper time; (2) the fast-growing carbon sink grass is pretreated according to the technical requirements of processing of foaming fiber boards, combined walls, lightweight brick tiles, flame-retardant thermal insulation boards, the wood substitutes and paper substitutes; (3) the foaming fiber boards, the combined walls, the lightweight brick tiles, the flame-retardant thermal insulation boards, the wood substitutes and the paper substitutes are produced. With grass to replace wood, deforestation is reduced, and the ecological environment is protected.
Owner:雷学军

Method for acquiring basin coverage rate for water conversation

InactiveCN103425869AAvoid hysteresisGood for guiding application practiceSpecial data processing applicationsDeforestationSurface water
The invention provides a method for acquiring a basin coverage rate for water conversation. The method includes the steps: 1) according to four stand types, including coniferous forest, broad-leaved forest, mixed broadleaf-conifer forest and shrubbery, of a basin forest, measuring area, canopy interception rate, saturated soil water-holding capacity and the like of each stand type; 2) superposing according to respective weights to acquire coverage area, capable of realizing water conservation, of one stand type, and determining a coverage rate of each stand for water conservation; 3) fitting to acquire a basin coverage rate used for water conservation. According to the method, the forest coverage rate of a basin for water conservation is obtained by combination of years' precipitation data of the studied basin according to forest area and forest types of a surface water basin, under the guidance of the coverage rate, reasonable planning and purposeful afforestation or deforestation are performed, a water conservation function of forests is developed fully, suitable forest area of the basin is regulated in real time, blind afforestation is avoided, the contradiction of the forests and farmland is alleviated, and the method has great economic significance.
Owner:BEIJING FORESTRY UNIVERSITY

Mosquito-repellent incense preparation method

The invention discloses a mosquito-repellent incense preparation method and belongs to the technical field of mosquito-repellent incense preparation. Mosquito-repellent incense is prepared according to the steps of preparing sludge carbon powder, preparing paste, molding the paste prior to drying, subjecting mosquito-repellent incense dry bodies to chemical spraying and the like. The mosquito-repellent incense preparation method has the advantages that sludge carbon serves as a combustion agent, inorganic substances in the sludge carbon serve as a fire retardant, and accordingly a novel approach is provided for resource utilization of the sludge carbon, a great quantity of deforestation in the mosquito-repellent incense industry is avoided, and environmental protection is benefited. The mosquito-repellent incense prepared by the preparation method has the advantages that the mosquito-repellent incense is poisonless and harmless, thereby being capable of meeting the requirements of environmental protection; after being combusted, the mosquito-repellent incense cannot cause asthma, neurotoxicity and cancers after being absorbed by human bodies; the mosquito-repellent incense is smooth in appearance and free of fracture and mildew spots, fracture resistance reaches 423-456g, combustion point time reaches 8.81-9.23 hours, a smoke-free combustion process is achieved, and 'end broken' extinction when the mosquito-repellent incense passes by an iron-tooth tray is avoided.
Owner:庞用

Cultivation method for making endangered thousand-year-old tree rejuvenate

The invention discloses a cultivation method for making an endangered thousand-year-old tree rejuvenate. According to the method, in the early stage that the endangered thousand-year-old tree is aboutto wither, faces death and is near extinction, the environmental, climatic and cultural cultivation is used, pine forest resources and environments for wild plant growth are protected, habitats and growth sites of wild animals and plants are recovered, man-made excessive deforestation and disordered exploitation and trampling are inhibited, and the tree-protecting awareness and tree-growing behaviors of people are achieved. The technologies of soil protection, weir building and earth filling, tree shaping, branch pruning, tree holding, tree supporting, tree protection, fertilization, watering, seed breeding, seed harvesting, seed storage, seed germination acceleration, sapling cultivation, transplanting and planting, grafting and regeneration are utilized, and disease and pest control iswell conducted, so that the endangered thousand-year-old tree rejuvenates, and luxuriant propagation and growth of branches and leaves are achieved; the protection of the endangered thousand-year-oldtree is beneficial to carrying out scientific research in China and achieving the sustainability of human landscapes, people can enjoy good life, and the endangered thousand-year-old tree can be scientifically utilized valuably.
Owner:王文梅

Glossy ganoderma culture material and preparation method thereof

The invention belongs to the technical field of mushroom cultivation, and particularly relates to a glossy ganoderma culture material and a preparation method thereof. The glossy ganoderma culture material comprises palm kernel shell, wheat bran, cottonseed hulls, sugar, palm tree sawdust, gypsum powder, needle mushroom roots and bases, soybean meal, cold-pressed peanut meal, manganese and copper. The glossy ganoderma culture material has the beneficial effects that mycelia of glossy ganoderma cultivated by adopting the culture material rapidly sprout, vigorously grow and are pure white and dense, and the conditions such as pollution to fungus bags are avoided. The glossy ganoderma cultivated by adopting the culture material has large fruiting bodies, hard and thick texture and good cortex and shell layers and is glossy. The biotransformation efficiency of the dry glossy ganoderma with the fruiting bodies reaches 9.82%, and the acid content in the glossy ganoderma cultivated by the culture material is higher than that of the glossy ganoderma cultivated by a common sawdust substitute material. Meanwhile, the using amount of the common sawdust and the cottonseed shell in the culture material is obviously reduced, the damage of deforestation to the environment is effectively reduced, the cost is reduced, and the culture material is worthy of popularization.
Owner:INST OF AGRI RESOURCES & ENVIRONMENT SHANDONG ACADEMY OF AGRI SCI
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