262results about How to "Improve digestion efficiency" patented technology

A method for characterizing n components An of n catalytic systems. The method is characterized in comprising the steps of: I) providing a microfluidic device which comprises a plurality of identical microchannel structures, each microchannel structures comprising in the downstream direction (a) an inlet arrangement IA with at least one inlet port; (b) a catalytic microcavity MC1, which comprises an immobilized component Cim of the catalytic system CS used in the microchannel structure, and (c) a detection zone (DZ); ii) distributing to MC1 of each microchannel structure the remaining components of the CS used in the structure by a) dispensing to the inlet arrangement IA of each microchannel structure said remaining components; and b) transporting corresponding components for the microchannel structures in parallel to load MC1 in each microchannel structure; iii) performing the catalytic reaction in MC1 of each microchannel structure; iv) transporting in parallel the product formed in step (iii) from MC1 to DZ of each microchannel structure, if DZ and MC1 do not coincide; v) characterizing for each microchannel structure the result of the catalytic reaction performed in MC1 in DZ; and vi) characterizing An for each microchannel structure.

The invention relates to a method for recombinating and expressing human fibroblast growth factors, which comprises following steps: fusing an FGF-21 gene and a molecular chaperone Sumo sequence, building a new prokaryotic expression vector, transforming escherichia coli, thereby building engineering bacteria, and obtaining the FGF-21 through culturing the engineering bacteria and inducing expression. The method of the invention can promote soluble expression of protein, which is beneficial for folding recombined protein correctly and is convenient for separating and purifying the protein. Activity detection proves that the recombined protein which is obtained has comparatively high biological activity and the bioactivity is equivalent to the bioactivity of FGF21standard products.

The invention relates to a treatment method of organic solid waste. The treatment method comprises the following steps of: homogenizing the organic solid waste and then preheating, carrying out a thermal hydrolysis reaction on the preheated organic solid waste, then pushing the material into a depressurization tank and a buffer tank to be subjected to primary depressurization and secondary depressurization and then temporary storage, then carrying out heat exchange on the material, carrying out anaerobic digestion on the material subjected to heat exchange, carrying out vacuum degassing treatment on digested sludge in a digested sludge tank, dehydrating the treated digested sludge to form dehydrated sludge, conveying the dehydrated sludge to a drying room to be dried, and producing dried biogas residue. According to the treatment method of the organic solid waste, high temperature hydrolysis and anaerobic digestion technologies are adopted, the problems that resource is wasted when a burning method is adopted and secondary pollution can be easily caused when a burying method is adopted can be avoided, digestive efficiency in follow-up anaerobic digestion is improved, standing time of an anaerobic digestion process is also reduced, and sludge subjected to anaerobic digestion is subjected to vacuum degassing, so that carbon dioxide and ammonium nitrogen in the digested sludge can be effectively removed, and sludge dehydration efficiency is improved.

The invention discloses a water quality heavy metal multi-parameter online monitoring instrument which comprises an online sample digestion system, an online sample detection system and a measurement and control system. The water quality heavy metal multi-parameter online monitoring instrument disclosed by the invention can realize automatic online monitoring of content of heavy metals such as mercury, lead, cadmium, chromium and arsenic in water, can be widely applied to the fields of surface water quality pollution monitoring, seawater pollution monitoring, up-to-standard release monitoring of industrial wastewater treatment and municipal sewage treatment and the like and has the advantages of high functional expansibility, wide measurement range and low cost.

A decompressing and feeding method and system for safely feeding in the gastrointestinal tract of a recovering patient may continuously aspirate from the stomach and / or other portions of the digestive tract and feed at a rate commensurate with the ability of the intestines to absorb fluids including nutrient. Air is also aspirated in the process so that neither air nor excess fluids cause distension in the gastrointestinal tract. An aspirate including digestive juices and nutrients from the stomach may be filtered and continuously refed together with unused feeding material into the gastrointestinal tract at a location that more efficiently moves and digests the food.

The invention belongs to the technical field of agricultural solid organic waste biological digestion, in particular to a method for digesting straws by earthworm. The method comprises the following steps: after the straws are crushed, the straws and livestock manures or domestic sludge are prepared to a mixed material in weight ratio of 6:4; and the earthworm is placed into the mixed material for biological digestion. The method ensures that the earthworm can be safely placed on the straws and other organic material mixtures, is environment-friendly and safe, has good growing condition of working earthworm, large finished product earthworm yield, more egg production and high digestion efficiency, and the amount of the straws and other organic material mixtures in mean daily consumption is 2 to 3 times of the weight of the earthworm.

The invention relates to a coupled Fenton oxidation and anaerobic digestion reactor and process for treating surplus sludge. The reactor mainly comprises a Fenton oxidation device and an anaerobic digestion device and jointly uses the two digestion methods of Fenton oxidation and anaerobic digestion. Compared with the prior art, the reactor provided by the invention has the advantages of high reagent use efficiency, low energy consumption, simple structure, obviously increased sludge digestion efficiency and gas yield and the like.

The invention discloses a sample processing device for soil heavy metal detection and a processing method thereof. The processing device comprises a hopper, a screen-out device, a preprocessing device, an allocation device, a sample rack and a digestion device. The screen-out device comprises a separating base, a positive electrode suction device, a screen-out fan and a collecting groove. The preprocessing device comprises a drying chamber, an electric heating wire, a lifting crushing screen and a sample suction port. The suction pump of the allocation device is connected with the sample suction port through a pipeline. The allocation device is connected with a metering valve. The sample rack comprises a rotating base used for rotating the sample rack at a fixed angle. A plurality of sample tubes are circumferentially arranged on the rotating base. An ultrasonic generator is arranged at the connection between the sample tubes and the rotating base. The digestion device comprises a storage tank and a digestion liquid peristaltic pump. In a word, the sample processing device has the advantage of novel structure, perfect method, good processing effect, small detection error and the like.

The present invention provides a method for preparing a vegetable seedling culture substrate from agricultural wastes. The agricultural wastes comprise organic solid wastes and crop straws; and the method comprises the following steps of: (1) performing digestion and conversion on the organic solid wastes by earthworms; (2) composting the crop straws; (3) preparing the vegetable seedling culture substrate; and (4) optimizing the ratio of the vegetable seedling culture substrate. According to the method provided by the present invention, a technology of biologically digesting the agricultural wastes by the earthworms and fermenting and composting the crop straws by a straw composting agent is used so that efficient conversion of the agricultural wastes of a livestock and poultry culture farm and the crop straws is realized; a semi-decomposed organic material with good physical, chemical and biological properties is obtained according to the ratio; according to requirements on the vegetable seedling culture substrate, a novel vegetable seedling culture substrate with convenient mechanical work, good ventilation and water permeability, a balanced nutrient ratio, rapid-slow complementation of supply and strong buffering power is prepared.

The invention discloses a system for treating sludge by rotary electrodes in combination with a flat sheet membrane. The system comprises a membrane treatment sludge reactor, an aeration device, a cathode membrane assembly, a first anode and a second anode, anode rotation control devices and a circuit control device, wherein the aeration device is arranged at the bottom inside the membrane treatment sludge reactor, the cathode membrane assembly is arranged inside the membrane treatment sludge reactor and located above the aeration device, the first anode and the second anode are both arranged inside the membrane treatment sludge reactor and located at both sides of the cathode membrane assembly, the anode rotation control devices are respectively arranged inside the first anode and the second anode and electrically connected with the first anode and the second anode and the circuit control device is respectively electrically connected with the first anode, the second anode and the cathode membrane assembly. According to the system disclosed by the invention, by applying an electric field in sludge, the cathode membrane assembly contamination is reduced; by use of anode electrochemical and electro flocculation technologies, the digestion efficiency of sludge and the effluent quality are improved; the deposition of sludge and microorganism is prevented by virtue of the rotation of anodes, the effective electric field strength is maintained and the dewatering performance of sludge is improved.

The invention discloses a method for determining a platinum family element antimony assaying microwave digestion inductively coupled plasma mass spectrometry, which comprises the specific flows as follows: the preconcentration of elements to be determined and the determination on microwave digestion assaying composite granules and an inductively coupled plasma mass spectrometry are realized through antimony assaying, and the separate concentration and the assay determination of platinum family elements in rock and mineral samples are realized. In the method for determining the platinum familyelement antimony assaying microwave digestion inductively coupled plasma mass spectrometry, antimony is used as an assaying collector, thus, not only can quantitative collecting on all the platinum family elements be realized but also obvious loss cannot be generated on the platinum family elements when cupellation is carried out; heating is carried out by selecting microwaves, so that the samples can be rapidly and evenly heated; the elements to be determined can be ensured to generate volatilization loss by a non-gas state in the digestion process by matching with an airtight digestion tank, and simultaneously, the digestion tank is also beneficial to forming a high-temperature and high-pressure atmosphere so as to further improve the digestion efficiency. The method for determining theplatinum family element antimony assaying microwave digestion inductively coupled plasma mass spectrometry is suitable for the assay determination on the trace platinum family elements in the rock and mineral samples and has low detection limit, high sensitivity and high analysis speed. The cumulative time for sample assaying, digestion, determination and data processing on a single rock and mineral sample is 3-4 hours on average.

The invention discloses a preparation method for a decellularized periosteal matrix gel material sourced from natural tissue. By conducting freeze drying on decellularized periosteal matrix sourced from mammal, bioactive molecules are kept to the maximum degree; the decellularized periosteal matrix gel material sourced from natural tissue is ground into powder, the grain size of the powder is controlled, the contact area of a solution is increased, in this way, digestion is promoted, and finally the standard and uniform decellularized periosteal matrix gel having a good osteogenic activity potential is obtained. In addition, EDC crosslinking growth factors have a good promoting effect when regenerated bone tissue is regenerated excellently and grows into with vascularization. The decellularized periosteal matrix gel material can be used for repairing bone defects, bone disunion and other kinds of bone regeneration obstacles caused by all kinds of clinical pathogeneses.

The invention discloses a procambarus-clarkii environment-friendly sinking puffing feed and a preparing method. The feed is prepared from protein source-fat source-sugar source raw materials, composite vitamins, composite mineral substances, antioxidants, phagostimulants and adhesives in a certain proportion. The preparing method includes the steps that A, the feed raw materials are respectively smashed and screened, the obtained mixture and the adhesives are mixed to be even, the fat source raw materials are added while stirring, water is adding while stirring after even mixing, and feed base materials are prepared; B, the feed base materials are input into a double-shaft extrusion puffing machine, a slicing motor is started, and the extrusion puffing machine operates in the modes that a switch is switched on, a main motor is started, the feed base materials are matured and extruded through a mold hole for extrusion puffing, semi-particle feed is obtained and matured, and the puffing particle feed is obtained. The formula is reasonable, use is convenient, the culturing cost and the incidence rate of procambarus clarkia are reduced, the disease resistance of procambarus clarkia is improved, and the sustainable development of the procambarus clarkia culturing industry is achieved.

The present invention relates to a pellet feed for fish farming having excellent dissolution and digestion efficiency, and a method for preparing the same, and more specifically to a pellet feed for fish farming wherein the pellet feed is molded then coated with an enzyme, whereby the pellet feed disperses slowly in water over a certain time period, but quickly dissolves in a fish's stomach and has excellent digestion efficiency.

The invention relates to a formula and a preparation process of a five-cereal free food capable of resisting hunger and thirst, preserving health and prolonging service life, belonging to the field of the formula of food. The food comprises the following components: sorghum, corn, coix seeds, cattail pollen, pine pollen, buckwheat pollen, lotus pollen, flos sophorae pollen, walnut kernels, walnut kernels, fructus cannabis, polygonatum, rice bean, red bean, black dates, sweet-scented osmanthus, black tea, boschniakia rossica, tacca chantrieri, lycopodium fargesii, cordyceps, saffron, Chinese yam, tuckahoe, ganoderma lucidum, malt, ophiopogon japonicus, astragalus, fried gecko, fried earthworm, processed manis pentadactyla, pseudo-ginseng flowers, ginseng flowers and black sesame. The preparation process of the food comprises the steps mixing the components and grinding into fine powder or superfine powder. The food can take good effect on the mental, physical, spiritual and disease treating aspects of people. The formula and the preparation process of the food are simple and convenient to use.

The invention discloses equipment for processing kitchen waste. In the equipment, a shell consists of a cover assembly, a front casing, a left side plate, a right side plate, a rear cover plate, a feeding cover and a base; a stirring vessel and a stirring motor are arranged in the shell; a stirring shaft driven by the motor is inserted into the center of the stirring vessel; a stirring rod is fixedly arranged on the stirring shaft; a sealing strip is arranged between the stirring vessel and the feeding cover for sealing; a photocatalyst assembly which is communicated with a gas outlet in the middle-upper part of the inner chamber of the stirring vessel by a first elbow pipe is arranged in the shell; the other end of the photocatalyst assembly is sequentially connected in series with a second elbow pipe, a first catalyst tank, a third elbow pipe and a second catalyst tank which are arranged in the shell in a communication way; and the other end of the second catalyst tank is provided with a fourth elbow pipe which is connected with a second air blower. The invention also discloses a method for processing the kitchen waste. The method comprises the steps of placing the kitchen waste and digestive bacteria into the stirring vessel; starting the stirring motor and heating the stirred materials to the temperature of about 50 DEG C; and allowing gases to enter a gas processing system through negative pressure of the first air blower, and then exhausting the gases.

The invention belongs to the field of cell biology and relates to a method and reagent for the separation and culture of neurons. The method and the reagent are used for solving problems in the prior art, the current in-vitro hippocampal neuron separation and culture methods are improved, and the problem that the proliferation and activity of hippocampal neurons during primary culture can not be maintained is solved. According to the method and the reagent, a relatively mature in-vitro hippocampal neuron culture method is established, the number of obtained nerve cells is sufficient, the growth status is relatively good, and a large number of high-activity hippocampal nerve cells can be separated from mammalian hippocampal tissue, so that the requirements for the primary culture of the hippocampal cells are met, and the demands on experiments of cell biology during neuroscience research can be met.

The invention provides a rapid detection method for the content of micro-plastics in a water body and application, and belongs to the field of environmental pollutant detection. The invention discloses a digestion solution for separating micro-plastics in a water body sample. The digestion solution comprises 10-13 g / L of potassium hydroxide, 0.4-0.8 g / L of sulfathiazole sodium and 0.1-0.7 g / L of naphthylacetamide. The digestion solution can quickly and mildly digest organic impurities in a sample, can avoid mass loss while improving the digestion efficiency, and can protect functional groups of micro-plastics from being damaged in the digestion process. The invention further discloses a method for quantitatively detecting the micro-plastics in the water body based on the TGA-FTIR technology. The method comprises setting of instrument condition parameters, blank determination, drawing of a micro-plastic quantitative standard curve and sample detection. The method can be used for detecting the content of polyamide and polystyrene micro-plastic in a water body, and is simple, convenient and rapid to operate and high in accuracy.

The invention discloses a method for digesting spent rhodium catalyst in carbonyl group synthetic reaction, which is characterized by adding concentrated sulfuric acid into the spent rhodium catalyst in carbonyl group synthetic reaction for carbonization; and then adding alkali metal nitrate solid for digestion until solution of a system is clear and transparent; at this moment, organic matters are digested and removed in a format of carbon dioxide, and rhodium exists in acidic solution in a format of soluble salt. The method disclosed by the invention is high in recovery rate of rhodium, environment-friendly, moderate in operating condition, and high in efficiency.

The invention relates to a remaining heat pressure self-decompression treatment method of solid thermal steel slag, which is characterized by comprising the following steps: 1) loading slag: the solid thermal steel slag is loaded in an self-decompression tank; 2) spraying water and elevating pressure: the spraying water and cooling are carried out on the slag so as to generate steams with pressure; 3) constant pressure self-decompression: self-decompression is carried out on the slag in the self-decompression tank at a constant steam pressure kept; 4) cooling: water is sprayed so as to continuously cool the steel slag; and 5) completing self-decompression: a release valve is opened to give out steam so as to finish self-decompression. The treatment method has the advantages of good product quality, high efficiency, saving lands, reducing pollution and reducing investment.

The invention discloses a sludge separation treatment method. The method comprises the following steps: S1: conveying raw sludge into a low-temperature pyrohydrolysis reactor, introducing a backflow liquid generated in a step S5 into the low-temperature pyrohydrolysis reactor, carrying out a low-temperature pyrohydrolysis reaction to obtain hydrolyzed homogenized sludge; S2, conveying the homogenized sludge to a high-solid anaerobic digestion reactor to carry out a high-solid anaerobic digestion reaction, and discharging digested sludge; S3, conveying the digested sludge to a wet-type catalytic air oxidation reactor, adding a catalyst, and carrying out a wet-type catalytic air oxidation reaction to obtain mineralized sludge; S4, conveying the mineralized sludge to a dewatering device, andseparating the solid phase and moisture to separately obtain inorganic sludge and a separated liquid; and S5, carrying out deamination treatment on the separated liquid to obtain the backflow liquid,and conveying the backflow liquid to the low-temperature pyrohydrolysis reactor in the step S1. According to the method, coordinated distribution of substances and energy is realized, great reductionof the sludge can be realized at relatively low cost, and inorganic residues are convenient to dispose.

The invention discloses an anaerobic electrochemical sludge disposal device of an electrode coupled flat sheet membrane. The device is characterized in that membrane hanging electrodes formed by carbon felts and titanium nets are arranged on two sides of the flat sheet membrane; the membrane hanging electrodes and a flat sheet membrane assembly are supported by two fixed baffle plates and are arranged above an aerating pipe; the carbon felts / carbon cloth are / is arranged on two sides of the flat sheet membrane assembly at an interval of 10-15 mm; the titanium nets are attached to the outer sides of the carbon felts / carbon cloth. Compared with the prior art, the anaerobic electrochemical sludge disposal device has an electric active biological membrane structure, enriches the microbial population diversity, domesticates electric active microorganisms directionally, stabilizes the metabolic environment of anaerobes inside quickly, improves the inner digestion efficiency, and can reduce deposition of flocs, colloids and the like on the flat sheet membrane, alleviates membrane pollution, improves the primer digestion efficiency, improves the effluent quality, and achieves methanation ofCO2 and in-situ upgraded purification of biogas, so that CO2 emission is reduced and recycle of a biological energy source is enhanced.

The present invention relates to a bile salt adjuvant for animals for improving fat utilization efficiency in the bodies of the animals, and to animal feed comprising same. More particularly, the present invention relates to a bile salt adjuvant for animals comprising sodium stearoyl-2-lactylate. The adjuvant is used in animal feed to improve fat utilization efficiency in the bodies of livestock when ingested by said livestock, thereby reducing the amount of fat required to be used in animal feed and improving productivity.

The invention relates to a lick brick for a ruminant animal, and specifically discloses a composite premixed feed lick brick for a grazing yak. The composite premixed feed lick brick for grazing yak comprises salt, cement, bentonite, urea, ammonium chloride, calcium formate, a flavoring agent, calcium hydrophosphate, ferrous sulfate, copper sulfate, zinc sulfate, magnesium sulfate, manganese sulfate, sodium selenite, cobalt chloride, calcium iodate, rumensin and composite multi-vitamins; and the density of the lick brick is 1.8-2.1 g / cm<3>. The composite premixed feed lick brick is researched and developed according to the physiological property of the grazing yak, provides sufficient microelements and vitamins for the grazing yak, and additionally complements part of the non-protein nitrogen, so that the defect of lack of a protein source for the grazing yak fed with forage grass is avoided, the feed intake and the digestive efficiency of the grazing yak are effectively improved, the growing and fattening speed of the yak is increased, the quality of beef is improved, the immunity of the yak is strengthened, the deficiency disease and the metabolic disease of the yak are effectively prevented, and the culture benefit is improved.

The invention relates to an amnion epithelial cell separation and culture method which aims to solve the problem of low purity of the amnion epithelial cells which are separated and cultured by the existing method. The method comprises the following steps: 1. amnion tissue separation and disinfection; 2. amnion epithelial cell separation; and 3. amnion epithelial cell purification culture to obtain the high-purity P0-generation amnion epithelial cell unicell suspension. The amnion patch prepared from the amnion tissues can ensure the flatness of the amnion epithelial surface; meanwhile, the amnion back mucus is closely attached to the connective tissue and nitrocellulose membrane to enhance the trypsinization efficiency and promote the separation between the cells and tissues, so that all the amnion epithelial cells can be collected by short-time digestion, thereby avoiding the reduction of the cell wall-attachment rate; and after the short-time culture, trypsinization is performed twice to obtain the high-purity amnion epithelial cells. The method is applicable to the fields of fundamental research and clinical transplantation.

The invention discloses a recombinant pichia pastoris bacterial strain for co-expressing inulin excision enzyme and incision enzyme. The bacterial strain is named as pichia pastoris GS115-1NU1-INU2, which has been collected in China General Microbiological Culture Collection Center on April 16, 2014, with the collection number of CGMCC No.9050. The bacterial strain disclosed by the invention is obtained by expressing plasmids pPIC9 and pPIC9K, integrating an inulin excision enzyme gene and an inulin incision enzyme gene on a pichia pastoris GS115 genome, and screening. The bacterial strain is induced by methanol to ferment, so that two inulin enzymes can be expressed at the same time; enzyme activity of the inulin enzyme prepared by fermentation can achieve 4211.8U / ml; moreover, reaction time for producing monosaccharide by hydrolyzing inulin is short, and conversation efficiency is high, so that production of high fructose syrup by an enzyme method has sufficient feasibility; a conventional production method of high fructose syrup is replaced, and therefore, the recombinant pichia pastoris bacterial strain has a huge application value.

The invention provides a polynucleotides gene fragment of recombinant human papilloma virus type 33 L1 protein, a carrier containing the gene fragment, a host cell containing the comprise, and a HPV33L1 protein pentamer expressed by the gene fragment and an anti-HPV type 33 infection vaccine composed of the pentamer.

The invention relates to an oxidizing digestion method for polyamide fiber, comprising the following steps: putting potassium dichromate solution, water, zeolite and a polyamide fiber sample in cold bath; slowly adding mixture of silver sulfate and sulphuric acid to a container while stirred at low speed; connecting a ball condenser pipe to the container and communicating with fluid condensate water; heating digestion solution in a bottle until the digestion solution is boiled; pouring the digestion solution to a clean glass beaker after the digestion ends; then cleaning the bottle; collecting cleaning solution and mixing the cleaning solution with the digestion solution; putting the glass beaker in the cold bath, and slowly adding alkaline substances to make the digestion solution to be neutral. The invention ensures that the polyamide fiber is completely oxidized and digested into simple compounds, and the detectable quantity of carbon element and nitrogen element is lower than 0.05% after digestion products are tested by an element analyzer. Thus, the invention is suitable for sample digestion treatment before micro-substance in textile is detected.

The invention relates to a method for dating the isotope of limestone Re-Os, and belongs to the technical field of isotope geochronology. The problems that the sampling method is unscientific, the dating samples are blindly selected, the success rate of dating is low, the sample digestion is incomplete and takes a long time, and the impurity interference caused by a dissolution scheme causes the poor accuracy and precision of the limestone Re-Os isotope age results. The method comprises the following steps: collecting a limestone sample and crushing the sample; selecting a limestone dating sample deposited in a reducing environment; pre-digesting the limestone dating sample, and dissolving a pre-digesting solution of the limestone dating sample with a mixed solution of hydrochloric acid and hydrogen peroxide; separating and purifying a dissolution solution Re-Os of the limestone dating sample; performing the Re-Os isotope thermal ionization mass spectrometry; processing the Re-Os isotope data to obtain the final limestone Re-Os isotopic age. The analysis method provided by the invention has the advantages of improving the success rate, accuracy, precision and the operation efficiency of the experimental process of the limestone Re-Os isotope dating.

The invention discloses a method for the autothermal thermophilic aerobic digestion of sludge and a device thereof. The device is located at the position that the sludge reflowing pipe is connected to a reactor; an aerator pipe is placed in the sludge reflowing pipe and is in a structure with two closed ends; the side surface of the aerator pipe is communicated with the air inlet pipe of a blower; and aeration holes for aeration are arranged on the aerator pipe. When the reflowing sludge is adequately aerated when the reflowing sludge flows through the section of the reflowing sludge pipeline provided with the aerator pipe, and finally the purpose of adequately and uniformly aerating all the sludge inside the reactor is achieved through the continuous circulation of the reflowing sludge in the system. The invention ensures that air and the sludge are better mixed, the propagation and the growth of aerobic digestive bacteria are accelerated, the efficiency of sludge digestion is improved, and better homogeneous effects and lower running cost are achieved, the aerated efficiency is improved, and the energy cost is saved. The invention can reduce the volatile organic substance in the sludge by more than 45% within 3-6 days, and decrease the amount of pathogenic bacteria by more than 99%; and the sludge product can achieve the standard of A-level biologic solids.