44results about How to "Good material basis" patented technology

The invention provides a compound Chinese medicinal oral preparation for treating alopecia areata and alopecia and its preparing method, wherein the preparation comprises astragalus root, white atractylodes rhizome, arborviate seed, prepared fleece flower root, root of herbaceous peony, cherokee rose, Chinese angelica root, Ligusticum wallichii, eclipta, ligustrum japonicum, psoralea fruit, mulberry, root of red rooted saliva, black sesame seeds, dodder seed.

The invention discloses a transverse-furrow and sequential-ridge mellow soil anti-corrosion farming method of a purple soil slope farmland and particularly relates to the field of a soil erosion management technique of the purple soil slope farmland. In the method disclosed by the invention, a transverse furrow is excavated along the contour line on the purple soil slope farmland at the slope length interval which is less than the rill erosion generation critical length of the modified slope surface; the cross section of the transverse furrow is in an arc shape; the formed transverse furrow divides the whole slope farmland plot into multiple small farming units in the transverse slope direction; the two ends of the transverse furrow are connected with the original drainage furrows at the two ends of the slope farmland plot; and the integral farming terrain conditions with alternate furrows and ridges are formed by adopting a sequential-slope ridging farming mode, i.e. alternately farming and ridging in the sequential slop direction and reverse slop direction. The method disclosed by the invention can reduce the water and soil loss and prevent and control the soil erosion of the slope farmland, is beneficial to the enhancement of the water content in the soil of the farmland plot in the descending direction of the transverse furrow, improves the drought resistance of crops, maintains the agricultural productivity of the slope farmland and realizes the sustainable utilization of slope farmland water and soil resources.

The invention discloses a method for preparing nattokinase by a liquid fermentation method. The method comprises strain activation, culture medium preparation, seed preparation, inoculation, temperature change fermentation and post-treatment. The method combines strain activation, culture medium preparation, seed preparation, inoculation, fermentation and post-treatment. The whole process is carried out in a clean or sterile environment. The method does not produce escape, overflow, dropping and leakage and satisfies GMP requirements. Compared with the traditional method, the method provided by the invention utilizes an ingenious multi-component medium design and provides a good material basis for growth of nattokinase production bacteria. Through use of a surfactant, nattokinase production and secretion are significantly improved. Through use of the temperature change fermentation method and process, a nattokinase yield is improved by 6-38%. The method has reasonable and advanced processes, is suitable for expanding reproduction, significantly improves a yield and product quality, is environmentally friendly and can be widely used for research and development of nattokinase and other related products.

The invention relates to 5-(1H-indolyl-3-methylene)-1,3-thiazolidinyl-4-one derivatives, and a synthesis method and application thereof. By using ethanol and/or water as a solvent, substituted 2-substituted-imino-1,3-thiazolidinyl-4-one and 1H-indolyl-3-formaldehyde are subjected to reflux reaction under the catalytic condition of piperidine through intermolecular dehydration condensation reaction to form methylene linking group, thereby obtaining the 5-(1H-indolyl-3-methylene)-1,3-thiazolidinyl-4-one derivatives. The intermediate 2-substituted-iminothiazolidinyl-4-one is prepared by carrying out cyclization reaction on various monosubstituted ethyl thiocarbamide chloroacetates or chloroacetic acids in a low-boiling solvent under reflux conditions, and the intermediate 2-substituted-imino-3-substituted-1,3-thiazolidinyl-4-one is prepared by carrying out a green environment-friendly synthesis technique on various disubstituted symmetric thiocarbamides and chloroacetic acids. The bioactivity preliminary screening experiment result of all the target compounds on the enzyme molecular level indicates that the target products have certain inhibition activity on PTP1B and CDC25B to different degrees.

A traditional Chinese medicine extract for preventing hypertrophic Sclerotinia sclerotiorum adopts the methods of heating alcohol, continuous refluxing for extracting, etc. The extract is obtained from the cortex fraxini through a series of process flows. The antimicrobials prepared by the extract can effectively prevent the hypertrophic Sclerotinia sclerotiorum. The efficacy test indicates that the control rate to hypertrophic Sclerotinia sclerotiorum is above 95% and the total control rate can obtain more than 85%. The preparation belongs to the pure traditional Chinese medicine preparation and has the advantages of prevention of application of chemical pesticide, reduced environment pollution, abroad source of raw material for production and low cost for manufacturing.

The invention relates to a grafting method, in particular to a walnut top grating method. Scions are collected in January during the dormancy period and stored in freshness-retaining air-conditioned cold store with the temperature of 3 DEG C, bark grafting or bark and whip grafting are carried out during the last ten days of the March and the middle ten days of the April, stock sprouts are removed in time after grafting, and pinching is carried out when young sprouts grow to be 60-80cm. The top grafting survival rate can exceed 85% all the year around. According to the walnut top grafting method, the scions are refrigerated. Thus, the contents of soluble protein, the total organic carbon and potassium in the scions can be improved, the contents of tannin, plant polyphenol, soluble sugar and sodium in the scions can be reduced, the contents of water, total nitrogen and magnesium in the scions are not obviously affected, and good material foundation for improving the grafting survival rate is improved. The grafting is carried out during the last ten days of the March and the middle ten days of the April, the water content and the bleeding exudation of the stocks are the lowest, the temperature is favorable for healing wound of cell division, the early spring with large temperature fluctuation is avoided, and the favorable environmental conditions for improving the grafting survival rate is provided. The appropriate top grafting method of bark grafting or bark and whip grafting is chosen. The bark grafting method or the bark and whip grafting method is simple and easy to learn, so that the technical guarantee for improving the grafting survival rate is provided.

The invention discloses a tail gas recycling device for transforming a hot air grain dryer. A tail gas recycling system is formed by a tail gas recycling cover, a dust collecting hopper, a tail gas recycling pipeline, an axial flow fan and a purified tail gas cover. A tail gas purifying system is formed by a gravity dust settling chamber, a scraper purifier, a dust removing fan and an air supply tail gas pipeline. A cold air preheating system is formed by converting the third set of heat exchangers of an original hot air grain dryer into an air preheater. A flue gas recycling system is formedby a first flue gas pipeline, a flue gas adjusting valve, a second flue gas pipeline, a flue gas check valve, a cold air pipeline, a cold air adjusting valve and a mixed flue gas pipeline. The tail gas recycling device has the advantages of reducing the drying cost, ensuring the grain drying yield, improving the drying efficiency, reducing the pollution and the like.

The invention relates to a method for the facility TanTsing of tea leaves, which is realized by specific equipment and a matching process thereof in a heating chamber. By the control of the conditions of an air conditioner, a dehumidifier, an ultrasonic atomizer and a fan, the precise regulation and control of the humiture condition of the TanTsing chamber and the effective regulation of environmental gas, the purpose of the proper TanTsing of the fresh leaves is achieved. The invention can realize the precise regulation and control of the humiture, the gas circulation and the like of a TanTsing space, further regulate and control the approach and the degree of a physical and chemical reaction of the fresh leaves under a specific micro-area environmental condition and realize the regulation of gas in a micro-area environment, thereby inducing the beneficial transformation of the contained components and providing a better material basis for a subsequent processing procedure.

The invention discloses a bio-organic fertilizer which is prepared from the following components in parts by weight: 30-40 parts of cow dung, 20-30 parts of pig manure, 20-40 parts of straws, 10-20 parts of weeds, 10-15 parts of peanut shell, 10-20 parts of chicken feather, 5-10 parts of algae mud, 5-10 parts of rapeseed meal, 3-6 parts of quick lime, 10-15 parts of mint leaf, 1-3 parts of EM strain, 40-60 parts of water, 2-5 parts of sugar and 8-12 parts of lavender. The bio-organic fertilizer disclosed by the invention is capable of increasing beneficial microorganisms in soil and reducing pathogenic bacteria, so as to improve the fertility of bio-organic fertilizer and reduce the preparation cost of bio-organic fertilizer; the bio-organic fertilizer is capable of improving soil while expelling injurious insects in soil, so as to boost the growth of crops; the bio-organic fertilizer is capable of improving pH value, permeability and water retention capacity of soil, so as to effectively improve physicochemical biological characters of soil, establish an excellent material basis for promoting growth and yield of crops and bring a better use prospect.

The invention relates to the field of daily necessities and particularly relates to a mattress. The mattress comprises a first 3D fabric layer, an inflatable elastic cushion layer, a second 3D fabric layer and a side wrapping layer wrapping a side face of the mattress, wherein the first 3D fabric layer, the inflatable elastic cushion layer and the second 3D fabric layer are arranged in a stacked mode, the side wrapping layer wraps a side face of the mattress, and the inflatable elastic cushion layer is clamped between the first 3D fabric layer and the second 3D fabric layer and is of an extractable structure; the side coating layer comprises an upper side coating layer connected with the first 3D fabric layer and a lower side coating layer connected with the second 3D fabric layer, the upper side coating layer is connected with the lower side coating layer through a connecting unit, the connecting unit is arranged on the side face of the mattress, thickness of the first 3D fabric layer is 5-8 cm, thickness of the second 3D fabric layer is 0.8-1cm, and the upper side coating layer and the first 3D fabric layer as well as the lower side coating layer and the second 3D fabric layer are respectively provided with an edge covering structure. The mattress is used for solving a problem that the comfort, air permeability and logistics cost of the mattress cannot be considered at the same time.

The invention provides a method for judging vegetation recovery of plots as wetlands returned from grain plots in plain areas, a vegetation recovery method and a vegetation recovery effect evaluatingsystem, relates to the method for judging vegetation recovery of plots as wetlands returned from grain plots in plain areas, the vegetation recovery method and the vegetation recovery effect evaluating method, and aims to solve the technical problems that in the prior art, a method for judging recovery of plots as wetlands returned from grain plots in plain areas and a method for evaluating effects do not exist. The method for judging vegetation recovery of plots as wetlands returned from grain plots in plain areas and the evaluating method comprise the following steps of I, determining the plots to be returned from grain plots, and collecting soil samples; II, executing a method for judging recovery; III, performing communication of water systems, establishing 40-60cm micro water level gradients of which the slope is smaller than 5 degrees, and performing wetland recovery; and IV, evaluating the recovery effects. When the methods disclosed by the invention are used, after the wetlandsare recovered at the plots as wetlands returned from grain plots, fixed quadrats are established, vegetation investigation is continuously performed, compared with a contrast wetland, the recovered wetland has the progress that the biological diversity is recovered to 72%, and the biomass is recovered to 90%, and the wetland recovery effects of the plots as wetlands returned from grain plots areideal. The invention belongs to the field of returning the grain plots to wetlands.

The invention discloses a recombinant MSG1 protein monoclonal antibody and a blocked ELISA (Enzyme-linked Immuno Sorbent Assay) method for detecting a haemophilus parasuis mycoplasma specific antibody. A hybridoma cell line 1A7 of an excretion haemophilus parasuis mycoplasma recombinant MSG1 protein monoclonal antibody is preserved with preservation number of CGMCC NO. 4860 and the preservation date of May 13th, 2011. The monoclonal antibody of the haemophilus parasuis mycoplasma recombinant MSG1 protein is excreted by the hybridoma cell line 1A7 with preservation number of CGMCC NO. 4860. The monoclonal antibody as well as the haemophilus parasuis mycoplasma MSG1 recombinant protein and an etiology protein are provided with good reaction specificities. According to the invention, the monoclonal antibody is applied to the blocked ELISA (Enzyme-linked Immuno Sorbent Assay) method for detecting the haemophilus parasuis mycoplasma specific antibody; and the detection condition is optimized through a large quantity of experiments so that the method has the advantages of good repeatability, sensitivity and specificity.

The invention discloses a method which is used for naturally simulating a community and based on construction of a scaffold, and relates to the technical field of ecological restoration. The method includes the following steps of: investigating a landform of a pit, performing data mapping, cleaning the pit, setting up fixing holes, performing insertion and connection on fixing columns, overlappingcrossbars, laying a screen mesh, performing filling with planting soil, planting plants and performing regular maintenance. According to the topography and landform of the pit, construction of the scaffold can be performed in the pit, good external conditions for plant growth can be provided by laying the screen net and transplanting the planting soil, so that the process of community successionis simulated, green returning of the pit is achieved, and the ecological environment of the pit is changed.

The invention discloses pretreated carbonaceous gold concentrate, a preparation method thereof and a gold extraction method. The preparation method and gold extraction method comprise the steps that carbonaceous gold concentrate powder is pressed into carbonaceous gold concentrate blocks; the carbonaceous gold concentrate blocks are subjected to roasting in vacuum, organic carbon in the carbonaceous gold concentrate blocks is converted into graphite carbon, and cooling is performed after roasting is completed; the pretreated carbonaceous gold concentrate is ground into pretreated carbonaceousgold concentrate powder; and cyanidation leaching is performed on the pretreated carbonaceous gold concentrate powder. According to the pretreated carbonaceous gold concentrate, the preparation methodthereof and the gold extraction method provided by the invention, a vacuum system is combined with roasting, and the carbonaceous gold concentrate can be effectively pretreated when the vacuum pressure is controlled not to be greater than 20 Pa, the temperature is controlled to be 1000-1200 DEG C and the roasting time is controlled to be 50-90 min; through reaction, the organic carbon with a goldintercepting effect can be converted into the graphite carbon without a gold intercepting effect, the gold intercepting capability of the carbonaceous gold concentrate is weakened, and influences ofthe concentrate on cyanidation gold extraction are eliminated; and gold wrapped with sulphide ore can be further dissociated, a good material basis is provided for cyanidation gold extraction, the gold leaching efficiency is improved, and the leaching duration is shortened.

The present invention relates to a coal base nutrient agent for improving soil, belonging to the field of organic and inorganic composite fertilizer technology. Its composition includes (by wt%) 30%-70% of danty, 20%-60% of turf, 10%-30% of microbial fungus root and chemical reagent after which is added, its soil nutrient concentration includes N element 200-300 mg/kg, K element 200-300 mg/kg and p element 50-100 mg/kg. Said invention can raise capability of plant to absorb nutrients, can raise adverse resistance of plant and can obviously raise yield of crops.

The invention belongs to the field of extraction of traditional Chinese medicines, and in particular relates to a method for simultaneous preparation of 7-hydroxy-4 '-methoxy flavan and pterostilbene. The method includes the steps of: 1) taking dracaena cochinchinensis grease-containing wood or ethanol extract thereof, grinding, adding petroleum ether to extract, filtering to obtain filter residue for standby use; 2) using chloroform for reflux extraction of the obtained filter residue, and recovering the chloroform to obtain chloroform extract; 3) using methanol to dissolve the obtained chloroform extract, performing column chromatography, eluting with methanol with every 250ml being one flow part, and merging 2-8 flow parts; 4) concentrating the merged 2-8 flow parts to dry, dissolving with methanol, using a reverse phase silica gel column for column chromatography, eluting with methanol with every 100ml being one flow part, and respectively merging 14-18 flow parts and 20-27 flow parts; and 5) concentrating the respectively merged 14-18 flow parts and 20-27 flow parts to dry, and respectively recrystallizing to obtain the two compounds of 7-hydroxy-4'-methoxy flavan and pterostilbene. The two compounds of 7-hydroxy-4 '-methoxy flavan and pterostilbene are firstly and simultaneously prepared from dracaena cochinchinensis by the method.

The invention discloses a synthetic method of an organic DSTMS crystal high-purity growth raw material. The method comprises the following steps of: 1, reacting mesitylene sulfonyl chloride and methanol serving as reactants and organic alkali piperidine serving as an acid-binding agent at room temperature to obtain 2, 4, 6-trimethylbenzenesulfonate; 2, dissolving 4-methylpyridine and the 2, 4, 6-trimethylbenzenesulfonate in absolute ethyl alcohol, and carrying out condensation reflux reaction to generate an intermediate product 4-methyl-N-methylpyridine- 2, 4, 6-trimethylbenzenesulfonate; and3, mixing p-dimethylaminobenzaldehyde with the intermediate product generated by the reaction by taking absolute ethyl alcohol as a solvent and organic alkali piperidine as a catalyst, putting the mixture into a stirrer, stirring, condensing, refluxing and reacting to finally obtain the DSTMS raw material. The DSTMS raw material synthesis process provided by the invention has the advantages of high yield, high purity, low cost and simple steps. Through adjustment of technological parameters, the DSTMS raw material with the yield of 75%-89% and the purity of 90-96% is finally obtained.

The invention discloses an enzymolysis method of a sea bass byproduct and an application thereof in an emulsion product, belonging to the field of marine product deep processing. The enzymolysis method comprises the following steps: performing pretreatment to obtain a skim sea bass processing byproduct; regulating the material-water ratio and the temperature to 45-60 DEG C and pH to 8-10; adding alkaline protease for sufficient enzymolysis; without enzyme deactivation, further regulating the temperature to 40-55 DEG C and pH to 6-8; and adding flavorzyme for sufficient enzymolysis to obtain an enzymolysis product. In the invention, the alkaline protease and flavorzyme are adopted for step composite enzymolysis treatment of the sea bass leftovers, and the difference of two proteases in digestion site is fully utilized to realize mutual action and promotion. The obtained four enzymolysis products A, B, C and D have double advantages of rich nutrition and good emulsifying property and can partially replace sodium caseinate in a full nutriment; and the obtained formula meets the requirements of clinical emulsion products while more abundant polypeptide and amino acid can be provided.