242 results about "Qinghai tibet plateau" patented technology

The invention relates to a movable and portable wind erosion tunnel. A tunnel body consists of a power section, an expansion section, a shrinking section, experimental sections, a pressure expanding opening and matched instruments. All sections of the tunnel are connected with each other through flanges which are integrally bent. Sealing strips are stuck at flange joints. The tunnel can be conveniently used for determining all kinds of wind erosion parameters of a field original ground surface. The movable and portable wind erosion tunnel is characterized in that: 1) a free vortex air flow and a stable-flow air flow field can be generated; 2) all kinds of wind force similar to natural climate can be generated; 3) the tunnel is durable, safe and reliable; and 4) the tunnel is convenient tomove and is easy to disassemble and assemble. The movable and portable wind erosion tunnel is suitable for carrying out all kinds of experimental observations in aspects of field wind and sand flow starting, wind speed and pressure, sand transport, erosion, model flow field and wind and snow flow, and researches in micro aspects such as grain speed, concentration, energy distribution and the like. Basic experimental equipment is provided for field ground surface wind erosion in-situ experiments, wind-blown snow experiments and researches on wind and sand movement rules under special environments (such as Qinghai-Tibet Plateau high-cold low-pressure environment and the like) in China.

The invention discloses a sphingomonas paucimobilis strain and an application thereof. The sphingomonas paucimobilis strain is named as sphingomonas paucimobilis QHZJUJW, with the preservation number: CGMCC No.7783. The stain is endophyte derived and screened from seeds of wild microporous grass in Qinghai-Tibet Plateau, can be used for industrialized production of gellan gum and provides a new way for the industrialized production of the endophyte and gellan gum.

The invention provides a preparation method of whole highland barley grain cereals and complex cereals. According to the preparation method, selected highland barley in Qinghai-Tibet plateau is taken as a raw material, and the whole highland barley grain cereals are prepared by the steps of removing impurities in the raw material, peeling, screening, washing, soaking, curing, tabletting, drying and the like, wherein the curing is performed by stir-frying at the temperature of 200-300 DEG C for 3-10min or by cooking at the temperature of 80-150 DEG C and under the high pressure of 20-50KPa for 2-8min. The preparation method provided by the invention has the advantages of simple processing steps and easiness in operation, and the situation that the taste of a product becomes poor after aging of highland barley starch is overcome. Complete highland barley grains are adopted, are not broken in the processing process and contain an appropriate amount of bran, so that nutritional ingredients in the highland barley can be retained to the greatest extent; the whole highland barley grain cereals are convenient to eat in a dry state, be brewed or cooked for eating and are suitable for all ages.

The invention provides a reclaimed water deep-purification constructed wetland system suitable for treating urban and rural domestic sewage in high-cold hypoxia regions of the Qinghai-Tibet Plateau. The system includes a water-distributing regulation pool, an underflow constructed wetland unit, an underflow unit water distribution system, an underflow water outgoing well, a surface flow constructed wetland and a system tail end water outgoing well; the front-end water-distributing regulation pool has an aeration function, and is provided with a reflux device; the underflow constructed wetland unit is a composite-flow type underflow constructed wetland, and is used for primary purification treatment on the sewage; a pool body of the underflow constructed wetland unit is internally provided with an impervious layer, a substrate filler layer and a planting soil layer, and has the surface planted with aquatic plants; the underflow unit water distribution system includes that the front end of a pool body is provided with a unit water-distributing system, the rear end of the pool body is provided with a unit water-collecting system and a unit inverted membrane system, and the tail end of the pool body is provided with a water collecting canal; the surface flow constructed wetland is used for secondary purification treatment on the sewage.

The invention discloses a functional monascus strain, which is classified and named Monascus purpureus Went and collected in China Center for Type Culture Collection (CCTCC) with the collection number of CCTCC NO: M2011387. The invention also discloses a method for preparing functional highland barley monascus by using the monascus strain through fermentation, and application of the functional highland barley monascus. Highland barley Unique in Qinghai-Tibet Plateau of China is subjected to solid state fermentation and the functional highland barley monascus having natural Monacolin K substance is prepared. According to the method, processes of preparing highland barley malt, crushing highland barley, pasting, preserving heat for saccharification and the like are not required, and the fermentation production workload is reduced; the natural functional highland barley monascus can be prepared into tablets, capsules, dispersing agents, micropowder or pellets, and can be used for preparing various medicines or health foods; and the functional highland barley monascus prepared by the method and a composition of the functional highland barley monascus have obvious effects of preventing and treating hyperlipidemia.

The invention discloses lactobacillus planetarium, wherein the strain is collected in the China General Microbiological Culture Collection Centre, the collection location is Beijing, Chaoyang District, Beichen West Road, Yard 1, No. 3, Institute of Microbiology, Chinese Academy of Sciences, the collection accession number is CGMCC No. 9018, and the collection date is April 3, 2014. The lactobacillus planetarium disclosed by the invention is used for improving the quality of silage, low in cost, safe, reliable, and easy to utilize. The lactobacillus planetarium disclosed by the invention can be used in Qinghai-Tibet Plateau areas and overcomes the problem of a small quantity of low-temperature lactobacillus planetarium fermentative lactics on the surface of pasture in plateau areas. The lactobacillus planetarium disclosed by the invention has superior low-temperature esilage fermenting performance than a commercialized strain.

The invention relates to a novel highland barley compound cereal beverage, which comprises the following base fluid in part by weight: 40 to 60 parts of highland barley liquid, 15 to 30 parts of soybean milk and 25 to 30 parts of purple pericarp rice liquid; and the pH value of the beverage is between 7.0 and 7.8. Simultaneously, the invention also discloses processing technology for the beverage. The highland barley compound cereal beverage is prepared from all natural pollution-free raw materials of Qinghai-Tibet Plateau, no exhaust gas is generated in the process of production, and the generated wastes and wastewater can be used for producing high-quality feeds or organic fertilizers for recycling; therefore, the novel highland barley compound cereal beverage has good social and economic benefits.

The invention discloses a method for modifying the Tibet plateau alpine meadow grassland into mowing grassland. The method for modifying the Tibet plateau alpine meadow grassland into the mowing grassland comprises (1) a step of selection of the grassland, (2) a step of flattening of the ground, (3) a step of selection of resowing grass seeds and a mixing ratio, (4) a step of turf cutting and resowing, (5) a step of determination of fertilizer type and fertilizer amount, (6) a step of determination of irrigation method and irrigation amount, (7) a step of management, and (8) a step of mowing and harvest. The method for modifying the Tibet plateau alpine meadow grassland into the mowing grassland has the advantages that comprehensive modification measures can promote the growth of forage grass, especially irrigation and fertilization can promote the nutritional growth of the forage grass and restrain reproductive growth, so that the forage grass is tender in stalk and rich in foliage. Mowing can control the growth of noxious weeds, promotes compensatory growth or over-compensatory growth of fine forage. Through comparison, the height of a grass layer, and the yield and the quality of forage grass are all largely improved.

The invention provides a method for monitoring moderate degradation of alpine meadows in Qinghai-Tibet Plateau by using soil animals. The method is characterized in that the moderate recession of thealpine meadow is monitored by analyzing the density of soil animals such as Diopoda soil animals with Polydesmoidea (Paradoxosomatidae) and Doratodesmidae soil animals in the soil animals. The evaluation method provided by the invention is simple, practical and relatively low in cost; the moderate degradation stage of the alpine meadow can be rapidly and efficiently evaluated; and the detection result can reflect the comprehensive degradation condition of environments such as grassland plant communities and soil. In addition, while traditional methods such as plant communities and soil or modern technologies such as remote sensing are used for judging the alpine meadow degradation stage, the method can also be combined for use, so that the result accuracy can be improved.

The invention provides an automatic retraction method for a parachute landing unmanned aerial vehicle. The landing site, the entry angle and the retraction altitude are sent to the unmanned aerial vehicle, and the unmanned aerial vehicle automatically plans a retraction airline and acts along the retraction airline; when the unmanned aerial vehicle approaches a retraction point, movement after engine shutdown is divided into a gliding section, a pull stopping section and a drifting section, a flight control program automatically queries the weight, speed and altitude of the unmanned aerial vehicle, the wind field and other conditions at the moment, and the shutdown position and the parachute opening position are worked out; a shutdown instruction and a parachute opening instruction are automatically executed. By means of the method, a parachute landing model can adapt to all altitudes from a low altitude to 5000 km or above like that of the Qinghai-Tibet Plateau, requirements for flight control precision and time accuracy are lowered, retraction precision is improved, wind measurement equipment and staff are not needed, staff are freed from the burden of wind measurement, calculation and control, and control over the unmanned aerial vehicle becomes easy and convenient.

The invention relates to a hole sowing method of large-leaved gentian. The method includes the steps of a, harvesting, storing and processing seeds; b, mulching and sowing, to be more specific, preparing soil, fertilizing and mulching; soil processing; ridging; weeding before sowing; mulching; punching mulches; determining sowing time; hole sowing; checking seedlings and thinning; c, field managing; d, harvesting. By the method, massive large-leaved gentian planting can be achieved, large-scale artificial cultivation of the large-leaved gentian which is precious Tibetan herb medicine can be achieved, wild resources can be protected effectively, destroying, caused by herb gathering, of Qinghai-Tibet Plateau grassland is restrained effectively, and evident social and ecological benefits can be achieved.

The invention relates to a Tibetan carpet, in particular to a long yak hair Tibetan carpet made by manually spinning and weaving pure yak hairs. The yarns for weaving warp threads, crossing threads and tufted surfaces of the long yak hair Tibetan carpet are pure yak hair yarns; the weaving density is 40 to 150 rows. The long yak hair Tibetan carpet has the advantages that: as the Tibetan carpet woven by unique yak hair in the Qinghai-Tibet Plateau changes the current situation that the prior Tibetan carpet is only woven by wool yarns, the woven Tibetan carpet keeps the original characteristics of good elasticity and strong warm-preservation; at the same time, as the Tibetan carpet after being woven needs no cropping and only needs to hackle the tufteds in order to extend long hairs, have the effect of simulating fur and make the Tibetan carpet more softer; and as the pure yak hair without dyeing after the cleaning treatment is adopted, the woven Tibetan carpet contains no odour of chemical dye, thereby being more environment-friendly.

The invention discloses a Lactobacillus plantarum strain BX62 with antioxidant ability. A preservation number is CGMCC15779. And the application of the strain is also included in the invention. The Lactobacillus plantarum strain BX62 is isolate from that traditional fermented yak yoghurt of the Qinghai-Tibet plateau, and is prove to be capable of remarkably improving the T-AOC, GSH-Px, T-SOD activity, and decrease the content of MDA in mice serum. The strain has good antioxidant ability and can effectively promote the activity of antioxidant enzymes in vivo. The hydrophobic ability of the strain increases the chance for it to adhere to the intestinal wall and play a probiotic role. The strain has no toxic and side effects and can be used in the preparation of fermented foods and health products, cosmetics and medicines.

The invention belongs to the technical field of new material, and concretely relates to an improved preparation technology for enhancing the functionality of a polyvinyl chloride (PVC) material. The preparation technology of the present invention comprises the following steps: 1)preparing a nano reinforcement; and 2)preparing the hybrid PVC functional composite material by a chemical solution method to prepare the hybrid PVC functional composite material. According to the invention, zinc oxide and titanium dioxide are composited for usage, anti ultraviolet performance of the composite material can be greatly increased; nano-sized magnesium hydroxide, zinc oxide and titanium dioxide particles are organically combined to prepare the PVC functional composite material, PVC anti ultraviolet capability can be optimized, aging rate can be reduced, service life is prolonged, flame retardation performance is enhanced, fire hazard generation is reduced, and the external environment adaptation capability of the PVC material at Qinghai-Tibet plateau can be finally increased.

The invention relates to a process method for treating a perenial frozen soil wetland foundation of the Qinghai-Tibet Railway. The Qinghai-Tibet Plateau is an area with widest area, largest thickness and lowest temperature of perenial frozen soil in an intermediate and low latitudinal band of the Northern Hemisphere, and the Qinghai-Tibet Railway is one of important foundational engineering of the Development of the West Regions in China; and as known from the investigation of main diseases of road foundations of railways in perenial frozen soil areas, the diseases caused by wetland sections account for 60 to 70 percent of the total diseases and severely influences normal operation of the railway and greatly increases the operation and maintenance expenditure of the road foundations. The invention aims to provide the process method for treating the perenial frozen soil wetland foundation of the Qinghai-Tibet Railway, which maintains the thermal stability of the road foundation, increases the bearing capability of the foundation and reduces thaw collapse and deformation of the road foundation. The process method treats the foundation by adoption of packing sedimentation by throwing stones, geotechnical pattern rooms and hydroceramic soil or geogrid and hydroceramic soil method, so as to guarantee the stability of the foundation and obviously improve the bearing capacity of the treated foundation.

The invention relates to the technical field of food, in particular to a Chinese wolfberry-potato nutrition vermicelli which is made from potato with rich vitamin C, beneficial dietary fiber and high-quality potassium sources, Chinese wolfberry powder, seabuckthorn powder and rhodiola root powder which are special local products in Qinghai-Tibetan Plateau, and an additive. The raw materials of the Chinese wolfberry-potato nutrition vermicelli comprise 10-60% of potato starch, 10-40% of Chinese wolfberry condensed juice, 10-20% of bean starch, 4-10% of the seabuckthorn powder, 4-10% of the rhodiola root powder, 1-5% of an isolating agent and proper amount of water; the Chinese wolfberry-potato nutrition vermicelli is convenient for being eaten and has rich nutrition, and has a plurality of functions of nourishing liver and kidney, nourishing yin and strengthening yang, tonifying qi and replenishing the blood, resisting anoxia, fatigue, cold, aging, microwave radiation, etc. The Chinese wolfberry-potato nutrition vermicelli has the healthcare and medical efficacies on postponing senility after long term use, and is especially suitable for the sub-health population of the middle-aged and the elderly to prevent diseases, malnutrition and vulnerability to fatigue and weakness.

The invention discloses a type prediction method of vegetation in a high-altitude permafrost region, and relates to the field of geography. The method comprises the steps that the survey data of characteristics of the vegetation in the permafrost region of Qinghai-Tibet Plateau is obtained; bio-climatic parameters are obtained; according to an NDVI data set, NDVI parameters are obtained; according to a digital elevation model (DEM), the slope, the slope direction and the profile curvature at each grid pixel element point in the permafrost region of Qinghai-Tibet Plateau are obtained; the elevations, the slopes, the slope directions and the profile curvatures are used as topography parameters; the parameters with the correlation coefficients larger than 0.8 are selected in the bio-climatic parameters, the NDVI parameters and the topography parameters through a principal component analysis method, and vegetation classification parameters are obtained; according to the survey data of the characteristics of the vegetation, the vegetation classification parameters, climate scenarios data and a climatic system mode, the types of the vegetation in the permafrost region of Qinghai-Tibet Plateau are obtained through a decision tree classification method. By means of the method, the type distribution prediction, in the mode of ten types of ten categories of climatic systems and four types of climate scenarios in 2050 and 2070, of the vegetation in the permafrost region of Qinghai-Tibet Plateau can be achieved.

The invention discloses a high and cold sand land vegetation recovery potential estimation method. The method comprises the following steps that according to growth conditions of different types of sand land in high and cold areas, a vegetation recovery target of the high and cold areas is determined; a hierarchical structure model of vegetation recovery potential estimation of the different types of sand land is built by using an analytic hierarchy process; a judgment matrix, a hierarchical single-row sequence table and a hierarchical total-row sequence table are built by means of the hierarchical structure model of vegetation recovery potential estimation of the sand land; comprehensive evaluation calculation is conducted on the vegetation recovery potential of the different types of sand land by means of a fuzzy comprehensive evaluation method. According to the high and cold sand land vegetation recovery potential estimation method, the good and bad degree comprising 15 evaluation factors and total evaluation of the vegetation recovery potential can be respectively output, and a scientific decision support method can be provided for making of a vegetation recovery policy of the different types of high and cold sand land in different areas of the Qinghai-Tibet Plateau.

The invention relates to a production process for a chondroitin sulfate from yak bone. The process includes using waste nose bone, larynx bone, soft costa, trachea, crescent moon bone, and other cartilages of Qinghai-Tibet Plateau unique species yak as raw materials, and preparing chondroitin sulfate via two-enzyme enzymolysis method, precipitation separation method, filtration, ethanol precipitation, vacuum drying, etc. The invention solves the problem of complex process flow, severe contamination, large consumption of alkali, acid, or salt, long extraction period, and low yield of this kind of products existing in the prior art. Chondroitin sulfate content achieves over 90%, and chondroitin sulfate yield achieves over 18%. Simultaneously, full use of yak waste raw material alleviates environmental contamination, effectively enhances utilization of resources, and facilitates commercial process.

The invention discloses lactobacillus sakei which is collected in China General Microbiological Culture Collection Center (CGMCC) at Institute of Microbiology of Chinese Academy of Sciences, 3#, yard 1#, Beichen Road West, Chaoyang District, Beijing in April 3rd, 2014 and has a collection number of CGMCC No.9016. The lactobacillus sakei improves the quality of silage and is low in cost, safe, reliable and easy to utilize; the lactobacillus sakei can be used in Tibet Plateau area, so that the problem of relatively few low-temperature fermentative lactic bacteria in the Tibet Plateau area is solved; the performance of the lactobacillus sakei in fermenting the silage at low temperature is superior to that of commercial strains.

The invention discloses Qinghai-Tibet plateau high-cold pasturing area greenhouse pasture planting technology which comprises the following steps: (1) a greenhouse is prepared; (2) grass seeds and base fertilizers are respectively mixed standby; (3) ploughed fallowing is carried out; (4) preparation before broadcast sowing and planting is carried out; (5) a ditching method is prepared; (6) sowing is carried out; (7) soil is covered manually and smoothed, and manual suppression is carried out; (8) preparation before a rainy season comes is carried out; (9) treatment of 7-8 months at a high temperature is carried out; and (10) mowing and overwintering treatment are carried out. The Qinghai-Tibet plateau high-cold pasturing area greenhouse pasture planting technology integrates annual grass cultivation, perennial grass cultivation and cold season-warm season grass cultivation, is strong in flexibility and adaptability, simple, easy to operate, and low in cost, is the technology which is popularized and used by nations and local residents, provides a technological approach for forage grass production of extreme high altitude areas in China, and provides technological support for grass supply.

The invention discloses anaerobic fungus-methanogens coculture and a method using the coculture to ferment wheat straw to produce methane. The coculture is naturally-coexisting PiromycesYak TZ+M. ruminantium separated from the rumen fluid of fully-grazing yak of the Gansu Tianzhu Nanniwan pasture of the Qinghai-Tibet Plateau, and the preservation number of the coculture in the China General Microbiological Culture Collection Center is CGMCC No. 12952. When the coculture is used to perform anaerobic fermentation on the wheat straw, a large amount of methane can be produced, the quantity of the methane produced after the coculture degrades the wheat straw for 7 days reaches 3.7mmol/g DM, fermentation time is short, the fermentation process is simple, and the coculture is promising in application prospect.