48results about How to "Solve the problem of the source" patented technology

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 invention relates to a front face image synthesis method and system based on a prior model. The method includes the steps that firstly, sample standardization is conducted on a three-dimensional prototype sample library, a three-dimensional face sample library is acquired, and feature points of tested face images are calibrated; secondly, an average three-dimensional face model is acquired, and the attitude angles of the tested face images are acquired by establishing the corresponding relationship between projected feature points on the average three-dimensional face model and the calibrated feature points of the tested face images; thirdly, images more similar to the tested face images are screened out from the three-dimensional face sample library and used for establishing a prototype sample library; fourthly, front face images are synthesized. Under the condition that only information in the three-dimensional face library is adopted, the attitude angles of the input tested face images are estimated, corresponding front faces are synthesized, and certain detail features on original faces can be reserved. The method and system have theoretical and practical significance in research on face recognition and face attitude estimation and development of practical application.

The invention relates to a method for building a tailings dam, in particular to a method for building a tailings dam through adoption of mine dumping. The method comprises the following steps that: a mine dumping yard and a tailings dam of a concentrating mill are combined; the mine dumping is adopted for directly building the tailings dam; a layered damming method or a strip damming method is implemented; after the tailings dam is formed, the inner side of the tailings dam is a tailings warehouse; and the outer side is a dumping yard. As mine dumping technology and damming technology of the tailings dam of the concentrating mill are combined, the method can greatly reduce the area occupation of the dumping yard, enlarge the utilization coefficient of the tailings warehouse and overcome the disadvantages of the prior damming construction method of the tailings warehouse and the difficult problems of sand lifting of tailings sand and the like; and meanwhile, after a mine stops production, under the condition that the mine dumping cannot be used for building the tailings dam, the concentrating mill can also utilize waste stone of the dumping yard to continue building the tailings dam. The process is suitable for the tailings warehouses of a valley type, mountain-surrounding type, flat type, cut-off river type and other types, is also suitable for building the tailings dam of the concentrating mill of other industries, is also suitable for newly building the tailings dam of the concentrating mill and is also suitable for building the tailings dam of the concentrating mill in course of production.

The invention discloses a method for producing adipic acid, hexamethylenediamine hydrochloride and polyhexamethylene (di)guanidine chloride from waste nylon-66 serving as a raw amerial through depolymerization, which is characterized by comprising the following steps of: depolymerizing the waste nylon-66 by using hydrochloric acid to obtain refined adipic acid and hexamethylenediamine hydrochloride; polymerizing the hexamethylenediamine hydrochloride and dicyandiamide (in a molar ratio of 1:1) at the temperature of between 170 and 190DEG C for 1 to 3 hours to obtain a white or pale yellow solid polyhexamethylene diguanidine chloride; and adding dicyandiamide and ammonium chloride powder in a molar ratio of 1:2 into a reactor, performing reaction at high temperature for 1 to 3 hours, slowly adding hexamethylenediamine hydrochloride powder, continuously reacting for 3 to 7 hours to obtain a white or pale yellow solid polyhexamethylene guanidine chloride. The method improves production efficiency, reduces production cost, and solves the problems of difficult separation of the product hexamethylenediamine due to depolymerization, low yield and poor benefit; and the technological process is environment-friendly, simple and convenient, and is suitable for industrial production.

The invention discloses Desmodesmus sp. rich in oil, and culture and application thereof. The Desmodesmus sp. is MH-04 preserved in China General Microbiological Culture Collection Center on April 24, 2015, with an accession number of CGMCC No. 10764. The Desmodesmus sp. can tolerate high-concentration CO2 and SO2, is capable of realizing photoautotrophic growth in virtue of exhaust gas or flue gas containing CO2 and SO2 to acquire biomass and has a high carbon sequestration rate; and the obtained biomass is rich in oil and can be used for production of biodiesel.

The embodiment of the invention provides a method and device for training a defect grading detection model, equipment and a storage medium. The method comprises the following steps: acquiring a sample image; inputting the sample image into a preset defect grading detection model; performing defect grading detection on the sample image by using a classification branch network and a grading branch network in the defect grading detection model to obtain predicted values of the category, the position and the grade of the defect in the sample image; processing the sample image by using a clustering branch network in the defect grading detection model to obtain a false label of a defect level in the sample image, and taking the false label as a true value of the defect level in the sample image; and training a preset defect grading detection model according to the predicted values and truth values of the types, the positions and the levels of the defects to obtain a target defect grading detection model. According to the embodiment of the invention, the model capable of carrying out defect level detection can be obtained, and defect level labeling is not needed in the training process.

The invention provides an efficient induction method of a plum blossom blade callus. A tender blade of a seedling obtained by embryo culture of a pure plum blossom variety serves as an explant, the tender blade with the upward paraxial surface enters into a callus induction culture medium, dark culture is performed over 2 weeks, and the callus induction culture medium is a solid culture medium with MS+20-40g / L of sucrose+0.25-2.00mg / L of 2,4-D and pH=5.8-6.0. An efficient induction culture system of the plum blossom blade callus is built. The building of the system enables the callus to be efficiently induced, the inductivity of the blade callus can be over 90%, and the proliferation volume of the callus is large.

The invention relates to the fields of internet information service, search engines, semantic nets and the like, in particular to a precise information service system and a precise information service method used for a search part in an internet information service system. The system comprises a server, a user terminal, the internet information service, a search engine, a semantic net and other hardware. In the method, the semantic net technology is applied to the actual internet information service, the interaction with users is realized through a user interaction module, and functions specified by the users are completed by calling a precise information active push module and a semantic data management module. The invention mainly solves related technical problems of providing a system and a method which meet the precise information requirement of the user and the like. The system and the method have the characteristics of communicating information islands in technical application, precisely retrieving data, having stronger data description capacity and reasoning data, and have the advantages of security, reliability, quickness, convenience, high query efficiency and the like.

The invention belongs to the technical field of biology, and discloses a method for producing butyric acid through fermentation. The method comprises the following steps that 1, Clostrdium tyrobutyricum is activated, and a seed solution is prepared; 2, a mannitol and glucose mixture is adopted as a carbon source, a liquid culture medium is prepared, and sterilization is performed; 3, the seed solution in step 1 is inoculated in the liquid culture medium in step 2, and cell fermentation is performed on the conditions that the temperature is 35-39 DEG C, pH is 5-7 and the rotating speed is 100-300 rpm to obtain butyric acid. The accumulation of by-product butyric acid can be lowered, the conversion rate and the selectivity of the target product butyric acid are improved, and therefore the follow-up separation and purification cost can be lowered. In addition, the mixed substrate can be replaced with brown alga hydrolysate or brown alga processing waste, and therefore efficient biologicalconversion from cheap marine biomass to high-selectivity butyric acid is achieved.

The invention discloses a culture method of tumor stem-cell-like cells of a rat pituitary prolactinoma cell strain. The culture method comprises the following steps: 1) taking cells in good condition in logarithmic growth phase; 2) inoculating the cells into a culture plate at a proportion of 100,000-300,000 cells / ml of culture medium; 3) carrying out intermittent culture for 1 day, then centrifuging for 5min at 1000rpm under 4 DEG C, discarding a half of supernatant liquid and adding the equal amount of a new stem cell culture medium; 4) culturing the stem cells for 2-3 days until cell debris appears in the culture medium, and further changing the half of the liquid every other day; 5) culturing for one week until small cell spheres in good condition appear; 6) culturing for one week until stem cell spheres are initially formed and cell proliferation is arrested; and 7) further culturing for two weeks until the stem cell spheres are basically formed. By separating the tumor stem-cell-like cells from the rat pituitary prolactinoma cell strain, the method disclosed by the invention can be used for solving the problem that the tumor stem-cell-like cells are difficult to obtain, and the method can be used for providing sufficient tumor stem-cell-like cells for further study.

The invention discloses a polyester and a preparation method and usage thereof. The content of a terephthalic acid structural unit in acid components of the polyester is higher than 90 mol%. Dihydric alcohol components mainly comprise an ethylene glycol structural unit and an aliphatic dihydric alcohol structural unit in a special structure, wherein the content of the ethylene glycol structural unit is 70-99 mol%, the content of the aliphatic dihydric alcohol structural unit in the special structure is 1-30 mol%, and at least the special structure unit in the dihydric alcohol components is of biogenetic derivation. The carbon content of the biogenetic derivation accounts for more than 20% of carbon atoms in the polyester. The polyester is mainly used in the field of fibers.

The invention discloses a breeding method of Rillengrundel (Parapocryptes serperaster (Richardson)), relates to an aquaculture method, and provides the breeding method of Rillengrundel. The breeding method comprises the steps of: preparing a cultivation pool; collecting and cultivating a parent fish; carrying out natural oviposition and manual handling, and cultivating fish fry by rich water. Theproblem that the parent fish of Rillengrundel does not eat any feed in a cement pit is solved by directionally cultivating diatom in an earthen basin; planktonic animals are killed by trichlorphon for creating a good mouth-open feeding environment for larval fishes of Rillengrundel; the problem that the larval stage feed of the larval fishes of Rillengrundel is grabbed by the planktonic animals is sloved; ostrea rivularis is bred in the earthen basin by a hanging method; the problem of the larval stage feed source in the earthen basin of the larval fishes of Rillengrundel is solved; the problem of mouth-open feeding difficulty of the larval fishes of Rillengrundel is solved, and a positive and effective way is provided to improve the breeding quantity of Rillengrundel.

The invention belongs to the field of fluid excitation devices and discloses a bidirectional active-control downstream fluid excitation device. The fluid excitation device comprises a wing, as well as one or more air inlet holes, one or more air outlet holes, sealed air chambers, and an air delivery driving device which are arranged on the wing, wherein the air inlet holes are formed in the leading edge area of the upper surface of the wing; the air outlet holes are formed in the trailing edge area of the upper surface or / and the lower surface of the wing; the sealed air chambers and the air delivery driving device are arranged in the wing and are connected with each other to form an air passage; and an air stream is sucked in from a downstream ends of the air inlet holes by the air delivery driving device, passes through the air passage and blows out from the air outlet holes. The fluid excitation device is practically applied to a wing profile of an independent entity; besides, the combination of slot suction with closed-loop control is used to provide lift force and reduce resistance; the fluid excitation device is simple in structure; and industrialized production of the fluid excitation device can be realized.

The invention relates to a method for building a tailings dam, in particular to a method for building a tailings dam through adoption of mine dumping. The method comprises the following steps that: a mine dumping yard and a tailings dam of a concentrating mill are combined; the mine dumping is adopted for directly building the tailings dam; a layered damming method or a strip damming method is implemented; after the tailings dam is formed, the inner side of the tailings dam is a tailings warehouse; and the outer side is a dumping yard. As mine dumping technology and damming technology of the tailings dam of the concentrating mill are combined, the method can greatly reduce the area occupation of the dumping yard, enlarge the utilization coefficient of the tailings warehouse and overcome the disadvantages of the prior damming construction method of the tailings warehouse and the difficult problems of sand lifting of tailings sand and the like; and meanwhile, after a mine stops production, under the condition that the mine dumping cannot be used for building the tailings dam, the concentrating mill can also utilize waste stone of the dumping yard to continue building the tailings dam. The process is suitable for the tailings warehouses of a valley type, mountain-surrounding type, flat type, cut-off river type and other types, is also suitable for building the tailings dam of theconcentrating mill of other industries, is also suitable for newly building the tailings dam of the concentrating mill and is also suitable for building the tailings dam of the concentrating mill in course of production.

The invention belongs to the field of air chamber connection controllers and discloses an air chamber connection controller. The air chamber connection controller comprises a wing, as well as one or more air inlet holes, one or more air outlet holes, sealed air chambers and an air delivery driving device which are arranged on the wing, wherein the air inlet holes are formed in the leading edge area of the upper surface of the wing, and the forming direction of the air inlet holes is perpendicular to the upper surface; the air outlet holes are formed in the trailing edge area of the upper surface or / and the lower surface of the wing; and the sealed air chambers and the air delivery driving device are arranged in the wing and are connected with each other to form an air passage. The air chamber connection controller is practically applied to a wing profile of an independent entity; besides, the combination of slot suction with closed-loop control is used to provide lift force and reduce resistance; the air chamber connection controller is simple in structure; and industrialized production of the air chamber connection controller can be realized.

The invention relates to the technical field of data mining, and provides a personnel relationship mining method based on personnel-house relationship data, which comprises the following steps: step 100, acquiring personnel information and house information, and establishing a database of the personnel information and the house information; step 200, extracting relationship information between thepersonnel information and the house information, establishing a human-house association relationship between the personnel information and the house information, and storing the human-house association relationship into a database; step 300, according to the person-house association relationship between the person information and the house information, performing person relationship mining; step400, displaying the mined personnel relationship through a dynamic visualization technology, wherein wireless cascade expansion and dynamic dragging can be achieved. The personnel relationship networkcan be mined, the personnel relationship graph can be established, the personnel relationship graph can be dynamically and visually displayed, and the personnel relationship can be comprehensively reflected.

The invention provides a rose seedling raising method. The method is characterized by comprising steps as follows: selection of an explant material, soaking treatment, disinfection treatment, cutting culture, expanding propagation, rooting culture and transplanting to anutrition cup. According to the rose seedling raising method, the survival rate reaches 99.4% or higher, survival rate of transplanting after outplanting reaches 99.0% or higher, uniformity of the cultured rose seedlings is high, height difference of the seedlings is within 1.2 cm, the root-growing rate reaches 99.5% or higher, and during transplanting, the number of rooting of each rose seedling is 12-13, and the root length is 3.6-4 cm;by means of in-vitro self-breeding, the problem about the cutting branch source is solved, consumption of a large quantity of rose branches is not required, propagation efficiency and propagation coefficient are increased, and each rose plant is proliferated 9-12 times each time in terms of cutting of 3-4 young and tender stem segments; the utilization rate of maternal plantbreeding sections reaches 96% or higher.

The invention belongs to the field of air exciters and discloses a wing / blade air exciter. The air exciter comprises a wing, air inlet holes, air outlet holes, first connecting pipelines, an air delivery driving device and second connecting pipelines, wherein the wing is provided with the air inlet holes, the air outlet holes, the first connecting pipelines, the air delivery driving device and the second connecting pipelines; the air inlet holes are formed in the front edge area of the upper surface of the wing; the air outlet holes are formed in the rear edge area of the upper surface and / or lower surface of the wing; the first connecting pipelines, the air delivery driving device and the second connecting pipelines are arranged in the wing and sequentially connected to form an air channel; the air inlet holes are connected with the first connecting pipelines; the air outlet holes are connected with the second connecting pipelines; air flow is sucked from the downstream ends of the air inlet holes through the air delivery driving device, enters the air channel and is sprayed out of the air outlet holes. The air exciter is practically applied to an independent tangible wing, meanwhile combination of groove suction with closed-loop control is tried, the air exciter is used for providing lift force and reducing resistance and is simple in structure, and industrial production can be achieved.

The invention discloses a bio-based slow / controlled-release coated nano cemented granulated fertilizer and a preparation method thereof, and belongs to the technical field of fertilizer preparation. The preparation method comprises the following steps: (1) grinding and mixing a natural nano-clay material and a chemical fertilizer to form a nano-fertilizer; (2) uniformly mixing an agricultural straw liquefied product with an isocyanate compound according to a molar ratio of 1: (0.5-0.8) to prepare a coating agent; and (3) granulating the nano-fertilizer by using a binder to form fertilizer particles, spraying the coating agent prepared in the step (2) onto the surfaces of the fertilizer particles, and carrying out coating and curing to prepare the bio-based slow / controlled-release coated nano cemented granulated fertilizer. The bio-based slow / controlled-release coated nano cemented granulated fertilizer prepared by the method is good in biodegradability, rich in raw material source, lowin cost and good in slow-release effect.

The invention provides pure barley pregnant sow feed and a production method thereof. The feed is prepared from, by weight, 40-50 parts of dehusked naked barley, 10-20 parts of husk barley, 2-6 parts of puffed soybean meal, 5-10 parts of wheat bran, 5-10 parts of wheat flour middling, 3-8 parts of beet grain pulp, 3-8 parts of No.3 powder, 3-7 parts of corn distillers' grains, 2-3 parts of soybean oil, 0.1-0.5 part of compound vitamins, 0.1-0.5 part of mineral elements, 0.01-0.1 part of glycanase, 0.01-0.1 part of a complex enzyme, 0.2-0.6 part of lysine hydrochloride, 0.05-0.2 part of threonine, 0.01-0.05 part of tryptophan, 0.05-0.2 part of choline chloride, 0.01-0.1 part of sodium bicarbonate, 0.2-0.5 part of table salt, 0.5-3 parts of rock flour and 1-3 parts of calcium monohydrogenphosphate. According to the pure barley pregnant sow feed and the production method thereof, reasonable diet fiber is supplied to sows by adopting the method that the dehusked naked barley and the husk barley are cooperatively used, the usage amount of barley in feed is increased by adopting a barley dehusking technique, the feed cost is reduced, and the reproductive performance of the sows and the growth performance of piglets have the obvious advantages.

The invention belongs to the field of fluid excitation devices and discloses a fluid excitation device for a wing / blade. The fluid excitation device comprises a wing, as well as one or more air inlet holes, one or more air outlet holes, an air delivery device, and an air delivery driving device which are arranged on the wing, wherein the air inlet holes are formed in the leading edge area of the upper surface of the wing; the air outlet holes are formed in a connection surface of the upper surface and the lower surface of the trailing edge area of the wing; the air delivery device and the air delivery driving device are arranged in the wing and are connected with each other to form an air passage; and an air stream is sucked in from the air inlet holes by the air delivery driving device, passes through the air passage and blows out from the air outlet holes. The fluid excitation device is practically applied to a wing profile of an independent entity; besides, the combination of slot suction with closed-loop control is used to provide lift force and reduce resistance; the fluid excitation device is simple in structure; and industrialized production of the fluid excitation device can be realized.

The invention discloses a phellinus linteus solid culture as well as a preparation method and application thereof. The phellinus linteus solid culture is obtained by inoculating phellinus linteus into a sterilized culture medium, putting the culture medium into a constant-temperature culture box and culturing at 25 DEG C to 28 DEG C for 10 to 30 days; the culture medium contains 100g / L to 1000g / L of wheat germs and 10g / L to 100g / L of soybean meal. The phellinus linteus solid culture disclosed by the invention adopts edible raw materials; the raw materials are biologically transformed into active substances capable of adjusting blood pressure and blood glucose of human bodies through the phellinus linteus; the phellinus linteus solid culture can be infinitely amplified according to requirements and the problem of sources of key raw materials is solved; the solid culture disclosed by the invention can be directly processed into oral solutions which have functions of lowering the blood pressure and lowering the blood glucose and complicated separation and purification procedures are saved, so that a production process is greatly simplified and the production cost is saved; the phellinus linteus solid culture is easily popularized to people having diseases of hypertension and hyperglycemia with low income.

The invention provides a user data encryption and decryption method and device and electronic equipment, and the encryption method comprises the steps: receiving input to-be-encrypted first video data which is uncompressed data; selecting a frame of image with specific characteristics from the first video data to generate secret key image data, and determining an encryption secret key according to the secret key image data and a gray scale level; compressing the to-be-encrypted first video data to obtain second video data, and symmetrically encrypting the second video data according to the encryption key to obtain encrypted data; inserting the image with the specific feature into the encrypted data according to a preset rule to form a ciphertext so as to form a message request frame according to the ciphertext; and sending the ciphertext in response to the received response message. According to the method provided by the invention, the security of data transmission is ensured, in addition, the feature information of the video can be judged without decrypting the data, and the waste of decryption resources caused by transmission errors is avoided.

The invention discloses a nano-composite coating liquid for a fertilizer, a coated controlled-release fertilizer and a preparation method of the coated controlled-release fertilizer, and belongs to the field of fertilizer preparation. The coating liquid is prepared from the following raw materials in parts by mass: 30-36 parts of liquefied straw, 0.8-1.2 parts of a natural nano material and 62-66parts of a curing agent. According to the invention, under the action of an external magnetic field, the coating liquid is sprayed onto the surface of preheated granular fertilizer, coating treatmentis performed at 50-75 DEG C, and curing is performed to obtain the coated controlled-release fertilizer; and the coated controlled-release fertilizer prepared by the method has excellent mechanical properties, the coating material has a proper degradation period, the fertilizer has excellent controlled-release performance, and the coated controlled-release fertilizer is wide in raw material sourceand simple in preparation process, and has important popularization significance in the aspect of controlled-release fertilizers.

The invention belongs to the technical field of economic forest tree seedling raising and particularly relates to a method for sterile cottage and rapid seedling propagation and raising of Australian melaleuca alternifolia. The method includes the following steps of (1) selection and processing of an explant material, (2) establishment of sterile strains for the first time, (3) multiplication culture, (4) rooting culture and (5) transplantation. The method utilizes a cutting technology and also utilizes a tissue culture technology, and therefore the method is high in cutting efficiency and is not affected by the environment. The source problem of cuttage branches is solved through self in-vitro propagation without forest tree consumption, tree growth and essential oil extraction are not influenced, and meanwhile the propagation efficiency is improved.

A waste heat utilization system for a biomass heat-transfer oil furnace comprises the biomass heat-transfer oil furnace, a radiator and a dust collector. The left and right sides of the radiator are communicated with the biomass heat-transfer oil furnace and the dust collector through pipes, respectively. A fan is arranged at the rear of the radiator. A heat-transfer oil heat exchanger is connected to the front of the radiator through a closed vent pipe. An air dryer is connected to the heat-transfer oil heat exchanger through a closed waste heat utilization pipe. The center of the radiator is provided with an air passage communicated with the heat-transfer oil heat exchanger. The heat-transfer oil heat exchanger is provided with an oil outgoing pipe. The biomass heat-transfer oil furnace is provided with a waste heat oil inlet. The waste heat utilization system has the advantages that waste heat of the biomass heat-transfer oil furnace is effectively utilized, waste is avoided, the waste heat is delivered into the air dryer for straws through the closed vent pipeline and through the fan, the radiator and the heat exchanger.

The invention belongs to the technical field of economic forest tree seedling raising and particularly relates to a method for sterile cottage and rapid seedling propagation and raising of Australian melaleuca alternifolia. The method includes the following steps of (1) selection and processing of an explant material, (2) establishment of sterile strains for the first time, (3) multiplication culture, (4) rooting culture and (5) transplantation. The method utilizes a cutting technology and also utilizes a tissue culture technology, and therefore the method is high in cutting efficiency and is not affected by the environment. The source problem of cuttage branches is solved through self in-vitro propagation without forest tree consumption, tree growth and essential oil extraction are not influenced, and meanwhile the propagation efficiency is improved.

The invention discloses a grafting propagation method of Gymnocalycium mihanovichii var. friedrichii, comprising the steps of (A), selecting rootstocks; (B) preparing a rootstock medium; (C) levelinga rootstock seedbed; (D) sowing rootstock seeds; (E) managing a nursery garden; (F) transplanting rootstock seedlings; (G) growing and guarding the rootstock seedlings; (H) grafting Gymnocalycium mihanovichii var. friedrichii to the grown rootstocks. The problem with the sources of Gymnocalycium mihanovichii var. friedrichii for large-scale grafting propagation is solved; the grown rootstocks havevery unified specifications; centralized management of Gymnocalycium mihanovichii var. friedrichii after grafting is benefited, batch sale at uniform price is benefited, picking time is greatly shortened for consumers, and selling efficiency is improved.

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.