111results about How to "Improve oxygen supply capacity" patented technology

The invention discloses bacillus natto which is classified and named bacillus natto and has been preserved in the China Center for Type Culture Collection with the preservation number of CCTCC M 2014405. The strain is extracted from a natto product purchased in the market and is obtained through ultraviolet mutagenesis and screening. By the use of the strain, soybean protein can efficiently be utilized to synthesize vitamin K2. The invention also discloses a method for producing vitamin K2 grease by the utilization of the above bacillus natto. According to the invention, a strain fermentation technology is optimized through a novel oxygen supply strategy, and fermentation cylinder scale-up is carried out. The final output of vitamin K2 reaches 60.54 mg / L. Conversion rate relative to soybean protein is 2.018 mg / g. Production costs are low. By the above method, efficient production of vitamin K2 grease can be realized; the whole process is simple; operation is convenient; production cycle is short; content of vitamin K2 is high; and fermentation cost is reduced. The method is suitable for industrial production.

The invention relates to a biomembrane reactor with non-foaming oxygen supply of a membrane carrier and a method for treating organic wastewater, which belongs to a technique for treating wastewater. The biomembrane reactor with non-foaming oxygen supply of the membrane carrier comprises a hollow membrane component of a curtain type. The process of treating wastewater by applying the biomembrane reactor with non-foaming oxygen supply of the membrane carrier comprises the following steps: the hollow membrane component of a curtain type is arranged in a wastewater pond; air is lead in through an inlet pipe; oxygen in the air permeates a hollow fiber membrane of oxygen permeation and enters the biomembrane attached on the hollowing fiber membrane of oxygen permeation; organic wastewater after settled flows through the surface of the biomembrane attached on the hollowing fiber membrane with a certain flow rate; microorganisms on the hollow fiber membrane decompose organic matters, so the content of organic matters in the water is gradually decreased; when the index of the organic matters reaches the requirement of wastewater discharge, the wastewater is discharged through a water outlet. The biomembrane reactor with non-foaming oxygen supply of the membrane carrier has the advantages of high utilization of oxygen, small amount of required aeration, energy conservation, and easy control of transferring efficiency.

The invention relates to a medicinal food seasoning belonging to the food technical field, substantially relates to a formulation of medicinal food seasoning and the preparation method. The medicinal food seasoning comprises heat-treated and dehydrated meat, dried and dehydrated vegetables, Chinese traditional medicine for food seasoning and medicine. The heat treatment and dewatering are implemented on the meat, and drying and dehydration treatment is implemented on the vegetables, and then the meat and vegetables are mixed with the food seasoning and Chinese traditional medicine extract so as to make the medicinal food seasoning. Various medicinal food seasonings can be made for playing different roles on appetite promotion, nerves soothing, sleep assistance, vitality enhancement; qi and blood enrichment and beauty; spleen replenishing, essence and blood benefiting; spleen and stomach strengthening, and cold dispelling. As the medicinal food seasoning is made by implementing heat treatment on the meat and drying and dehydration treatment on the vegetables with food seasoning and Chinese traditional medicine extract, which not only meets the fast-paced life of the people, and has the functions of health care non-toxic and side effects; the use is convenient; and the health care effect is good.

The invention discloses a preparation method of a composite metal oxide catalyst for the catalytic decomposition of VOCs (Volatile Organic Compounds). Nano powder TiO2 is used as a carrier; after a composite metal oxide layer is formed, transition metal salt is added; the composite metal oxide catalyst with multiple active components is formed after heat treatment. The composite metal oxide catalyst has higher catalytic oxidation capacity (more than 98 percent) for ester and benzene organic matters at a low ignition temperature (300 DEG C). The catalyst is prepared by adopting a normal-temperature precipitation method; the method is simple and convenient. The composite metal oxide catalyst does not contain a noble metal element, and is low in cost. The composite metal oxide catalyst is prepared by adopting a two-step precipitation method to ensure that Ce is closely in contact with the TiO2; a solid solution is conveniently formed during roasting; the composite metal oxide catalyst has favorable oxygen supply capacity. Finally, loaded transition metal elements are uniformly distributed on the surface of the catalyst; the adsorption on molecules of the VOCs is facilitated; an active site is provided; the catalytic capacity is increased. The obtained catalyst is used for oxidizing the VOCs into CO2 and H2O, has advantages of high catalytic conversion rate, low ignition temperature, high stability, low price and the like, and has favorable application value and prospect.

The invention relates to a total saponnis extraction technology of a honeylocust extract and an application field thereof. The total saponnis extraction technology is characterized in that the total saponnis is a plant source nonionic type surface active agent, and has the interfacial tension reduction property, emulsion activity, wetting property, temperature-resistant and salt-tolerant property, dispersant solubilizing and the like, so as to provide the applicability in the fields of recovery, storage and transportation of crude oil; the green surface active agent from the plant, namely the honeylocust, is applied to the bulk industrial purpose, so the resource utilization rate of the honeylocust is improved, the recovery rate of crude oil is improved, the storage and transportation cost of crude oil is reduced, and the pollution to the environment is reduced.

The invention relates to a composite biological trickling filter for denitrification and dephosphorization, belonging to the technical field of sewage treatment. The biological trickling filter is cylinder-shaped and comprises a water distributing area, a stuffing layer and a water catch area from top to down; wherein, the water distributing area comprises a plurality of rollers, a rotary water distributor, a water inlet pipe, a water pipe, a water sprayer and tracks; the water inlet pipe is connected with the rotary water distributor, the rotary water distributor is connected with the water pipe which is provided with a water outlet, the water sprayer is positioned below the water pipe and is connected with the rollers; five layers of grid frames are arranged vertically in the stuffing layer, and the grid frames separate the stuffing layer into a grid structure, so that the stuffing layer is successively separated from bottom to top into a stone and sand layer, a composite steel slag stuffing layer, a plaster stuffing layer, a sawdust stuffing layer and a coke layer; the water catch area comprises a header tank, a water outlet pipe and a water catch plate, wherein, the header tank is positioned at the bottom of the trickling filer, and the water outlet pipe is connected with the header tank. By introducing the grid frames, the composite biological trickling filter has the advantages of eliminating the problems of the filter blockage, water accumulation and other defects, effectively improving the aerobic bacteria processing performance of the composite biological trickling filter, efficiently removing COD and simultaneously achieving the effects of denitrification and dephosphorization.

The invention relates to Saccharopolyspora and a method for producing erythromycin by fermenting the Saccharopolyspora. The depositary institution of Saccharopolyspora erythraea HD03 is the common microbe center of China microbial culture preservation commission; the preservation code is GMCC No.2916; the method comprises the following specific steps that: a block with area of 1 cm*1 cm or a glycerin tube is dug from the preservation bevel and is inoculated into a sterilized seed culture medium; the temperature is between 32 and 34 DEG C; the rotational speed of a rocking bed is between 220 and 240 revolutions / minute; the time for cultivation is between 44 and 48 hours; subsequently, the block or the glycerin with 3 to 10 percent of inoculation amount is inoculated in a sterilized fermentation medium; the temperature is between 32 and 34 DEG C; the rotational speed of the rocking bed is between 220 and 240 revolutions / minute; the time for cultivation is 6 to 7 days; n-propyl alcohol as a precursor is added into the fermentation medium at 20 to 24 hours; and at late stage of fermentation, a methylation reagent and a hydroxylation reagent are added into the fermentation medium to obtain the erythromycin. The method has the advantages that: in the fermentation process, the addition of the methylation reagent and the hydroxylation reagent improves the methylation action and the hydroxylation action of the precursor in the process of synthesizing the erythromycin, reduces the accumulation of byproducts and improves the yield of main products.

The invention relates to a zanjon air lifting pushing solid circulation inversion A<2>O integrated construction oxidation ditch, which comprises an anoxic zone, an anaerobic zone, an aerobic zone provided with a millipore aerator group and an inversion A<2>O integrated construction oxidation ditch of a solid and liquid separating zone. The solid and liquid separating zone is arranged at the front end of a main ditch, the anaerobic zone is arranged at the tail end of the main ditch, and water inlets are respectively arranged at the front ends of the aerobic zone and the anaerobic zone. The integrated construction oxidation ditch is characterized in that a horizontal partition board which divides the main ditch into an upper groove layer and a lower groove layer is arranged at the middle-lower part of the main ditch, the aerobic zone and the anaerobic zone are respectively arranged at the upper groove layer and the lower groove layer, the aerobic zone is internally provided with n (n is more than or equal to 1) aeration lifting zone (s) which is (are) composed of an inlet water-retaining wall, an outlet water-retaining wall and the millipore aerator group and is (are) provided with a lower water inlet and an upper water outlet, the horizontal partition board of a first grade aeration lifting zone is provided with a plurality of lifting holes, and the aerobic zone is internally divided into n aerobic reaction zone (s) corresponding to the aeration lifting zone (s).The integrated construction oxidation ditch has the advantages that: the yielding water quality, particularly the dephosphorization and denitrification effect, is better, the occupation area is reduced, the equipment is reduced, the operation is simplified, and the operation cost is lowered.

The invention provides a nutritive preparation containing butyric acid. The nutritive preparation comprises a nutrient composition and a butyric acid compound, wherein the concentration of the butyricacid compound in the nutritive preparation is 0.5-200mM(mmol / L); and the butyric acid compound is selected from at least one of butyric acid, butyrate and butyric acid derivatives. The butyric acid compound is added to the nutrient composition, so that necrotizing enterocolitis can be prevented and treated, and besides, the nutritive preparation has the effects of promoting growth, and promotingdevelopment of the immune system and maturation of intestinal tracts.

The invention relates to a zanjon air lifting pushing solid circulation integrated construction oxidation ditch, which comprises an anoxic zone, an anaerobic zone, an aerobic zone provided with a millipore aerator group and an integrated construction oxidation ditch of a solid and liquid separating zone, wherein, the anoxic zone is arranged at the front end of a main ditch. The integrated construction oxidation ditch is characterized in that a horizontal partition board which divides the main ditch into an upper groove layer and a lower groove layer as well as is left with channels at the front and the back is arranged at the middle-lower part of the ditch body between the ditch walls at the tail ends of the anoxic zone and the main ditch, the aerobic zone is arranged at the upper groove layer and the tail end of the main ditch and is provided with n (n is more than or equal to 1) aeration lifting zone (s) which is (are) composed of an inlet water-retaining wall, an outlet water-retaining wall and the millipore aerator group and is (are) provided with a lower water inlet and an upper water outlet. The aerobic zone is internally provided with n aerobic reaction zone (s), and the solid and the liquid separating zone is arranged between the anaerobic zone and the nth aerobic reaction zone. The lower groove layer is the anoxic zone. The integrated construction oxidation ditch has the advantages that: better anoxic, anaerobic, aerobic, and solid and liquid separating environments are created, the total dephosphorization and the total denitrification effects are improved, the yielding water quality is better, the occupation area is reduced, and the construction and the operation costs are lowered.

The invention provides a combined sewage treatment device which integrates the activated sludge process and the biofilm process, organically combines the advantages of the suspension growth technology and the attached growth technology, combines anaerobic and aerobic properties in one device, leads the two to promote each other and improves the sewage treatment capacity and the treatment efficiency. The combined sewage treatment device is characterized in that the combined sewage treatment device comprises a biological phosphorus removal zone, a denitrification zone, a nitrification zone and a sludge-water separation zone positioned in a tank body structure, the biological phosphorus removal zone is connected with a sewage inlet pipe, the sludge-water separation zone is provided with a water outlet pipe, a residual sludge discharge pipe and a return sludge hole, and the return sludge hole leads to the biological phosphorus removal zone and / or the denitrification zone; and a rotating biological disk is arranged in the nitrification zone.

The invention discloses a health food having the effect of resisting radiation, which is a capsule prepared from the following active Chinese medicinal constituents (by weight portions): acanthopanax root parts, rhodiola root 1-10 parts, Chinese angelica root 1-10 parts, lucid asparagus root 1-10 parts. Each 100g of the food contains salidroside 0.1g, acanthopanax root glycoside 0.03g.

The present invention provides a health-care medicine composition and its preparation method. Said method includes the following steps: making photosynthetic bacterial pool, Chinese herbal medicine liquor, mineral solution and honey undergo the process of biological fermentation, then making them be combined with lactic acid microbial pool, yeast microbial pool, Cram-positive actinomycetes bacterial pool and filamentous microbial pool of fermentation line to form five family microbial community to obtain mother culture, then making said mother culture and nucleic acid, vitamin, SOD and amino acid undergo the process of biological emulsification so as to obtain the invented composition. Said composition has extensive application in preparation of medicine for curing broad-spectrum bacterial disease, broad-spectrum viral disease, damaged gene and diseases due to damaged cell, and specially for preventing and curing SARS.

The invention relates to an aquiculture wind-power oxygenation heating device, which is characterized by comprising a natural wind power air compressor, a negative oxygen ion generator, a solar heater and connection pipelines, wherein the natural wind-power air compressor can produce compressed air by adopting vanes to rotate so as to drive the compressor, the compressed air is sent into a compressed air storage tank, the compressed air is outputted and passes through the negative oxygen ion generator so as to increase the concentration of negative oxygen ions in the compressed air, then the compressed air is ventilated into a culture pool, cold water is also inputted into the culture pool after being heated by the solar heater, the negative oxygen ions can be completely and rapidly dissolved in the water to facilitate the absorption of organism and to realize the functions on purifying culture water, adjusting pH value of the culture water and sterilizing the culture water, so each growth period of an artificially-cultured product can be controlled, the living environment can be optimized, the cultured product can be promoted to grow rapidly, and the effect is remarkable.

The disclosed impulse active biofilter fit to dispersed daily sewage in country and urban distant area comprises: arranging a high-level water tank (1) with a water inlet pipe (12) and a perforated water-distribution pipe (4) on top outside and inside the pond (13) respectively connected by a siphon system (2); under the water-distribution pipe (4), arranging from bottom to top a sludge pipe (10), a mud bucket (9), a deposition zone (8) with an air hole (7) and water outlet pipe (12) on side surface, a water-seepage plate (6), and the filter material (5). This invention has high-efficient treatment capacity, and can reduce energy consumption and equipment complexity.

The invention belongs to the technical field of water body oxygen supply equipment and particularly discloses an oxygen supply system for a water body. The oxygen supply system for the water body is composed of a shore oxygen supply component, a gas-liquid dissolving component in the water and a water monitoring component. The oxygen supply system has the following beneficial effects: 1, the deep oxygen supply of the anoxic water zones in a reservoir can be realized, wherein the oxygenating depth is up to 60 m, and the oxygenating efficiency and the oxygenating effect can be obviously increased; 2, while oxygenating, the water body is smoothly diffused, the water bottom sludge cannot be rolled up, the underwater structure cannot be damaged, and the influence on the cultured product in the water bottom can be prevented; 3, the diffusion area is wide, the diffusion radius in the water can be greater than or equal to 1000 m, the oxygenating cover area is large and the production cost is low; 4, the air and the water are highly mixed by a gas-liquid two-phase combining device, so that the oxygen content in the water is high and the oxygen is sufficient; 5, the heights of the water pump and the gas-liquid two-phase combining device are adjusted through a wire rope, so that the oxygenating height is adjusted, the oxygen supplied in layers can be realized and the water quality of the anoxic water zones can be stereoscopically improved; 6, the system is suitable for the anoxic zones of the reservoir, the lake and the sea area and the large-area aquaculture.

The invention provides an automatic oxygen increasing type constructed wetland device adopting hollow bricks, and relates to a constructed wetland system device used for treating wastewater. The automatic oxygen increasing type constructed wetland device comprises a water distributing pipe, wetland filling substrates (sandy soil, furnace slag and gravel), the shale hollow bricks, a water collecting tank and a water outlet, wherein the shale hollow bricks in the wetland system are placed transversely; no bonding substance is filled between the hollow bricks; and the hollow brick layer is gradually concave downwards at an angle of 20 DEG to 30 DEG, so that the wastewater infiltrates downwards and cannot fill the hollow bricks to reduce the oxygen supply capability. The hollow bricks on the two sides of the wetland are communicated with atmosphere, so that oxygen can be supplied conveniently and automatically; and meanwhile, the particle sizes and the filling thicknesses of the filling substrates are also screened to find out the best particle sizes and the best filling thicknesses of the substrates, so that the adsorption ability of the wetland on phosphorus in the wastewater is improved and the purification ability of the wetland system is enhanced. In summary, the automatic oxygen increasing type constructed wetland device has a simple and reasonable structure and achieves an ideal effect on eutrophic water body treatment.

The present invention relates to the field of Chinese medicine technology. One medicine tablet, named Yixinkang talbet, for treating blood stasis and hyperlipemia of middle edged and old aged people and preventing coronary heart disease and its preparation process is provided. it is prepared with ginseng, prepared fleeceflower root, notoginseng and haw and has the functions of promoting blood circulation to disperse blood clots, invigorating vital energy, etc.

The invention provides garlic oil soft capsules and a preparation method thereof. The preparation comprises following steps: the peel of garlic which has no moldy or rotten parts and has buds is removed; the garlic is added into a tissue grinder and is grinded into pulp; 18 to 22kg of the garlic pulp is added into an enzymolysis tank, 0.4 to 0.7kg of hemicellulase is added, the mixture is subjected to enzymolysis for 2.8 to 3.2h at a temperature of 42 to 47 DEG C so as to obtain a garlic enzymatic hydrolysate; the garlic enzymatic hydrolysate is added into an extractor, the steel cylinder of the extractor is turned on so as to delivery CO2 into the extractor, the extractor is pre-heated to 33 to 37 DEG C, and the garlic enzymatic hydrolysate is subjected to extraction for 2.8 to 3.3h, wherein the pressure is 16 to 19MPa, and the ratio of the flux of an extraction agent to the flux of the sample material is 5-6LCO2 / h.g galic; the garlic oil is obtained after separation; and then a full-automatic capsule filling machine is used for preparation of the garlic oil soft capsules, wherein the weight of each garlic oil soft capsule is 0.2g. Dosage and administration are that: the garlic oil capsules are taken orally, 2 to 3 times a day, and 1 to 2 capsules each time; and the garlic oil capsules should be taken after meal.

The invention discloses a monolithic catalyst for catalytic oxidation of wet VOCs-containing tail gas. The catalyst comprises a cordierite honeycomb carrier, a composite zirconia coating doped with rare earth components and supported on the carrier, active components loaded on the coating, and hydrophobic components covering the surface of the catalyst. The invention further discloses a preparation method of the catalyst and application of the catalyst in catalytic oxidation of the wet VOCs-containing tail gas. The composite zirconia coating doped with the rare earth components, an active component coating and a hydrophobic component coating are sequentially prepared on the carrier through a step-by-step impregnation method. The rare earth components in the catalyst improve the oxygen supply capacity of the composite zirconia coating and the activity of the catalyst, and the hydrophobic components on the surface of the catalyst avoid the activity decrease of the catalyst and improve the water vapor resistance of the catalyst. The preparation method of the catalyst is simple and easy to achieve, and the catalyst has high catalytic efficiency and a wide use range and is suitable forcatalytic oxidation of the wet VOCs-containing tail gas at low temperature.

The invention relates to a modular transportation and temporary-breeding system for living aquatic products. The system is composed of a fixing module, a water treatment module, breeding modules, connecting pipelines and a circulating pump; the fixing module is composed of a plurality of combined fixing bodies of the water treatment module and the breeding modules, and the combined fixing bodies make the water treatment module and the breeding modules form the combined transportation and temporary-breeding system of a split structure; the water treatment module is composed of a filtering device, an oxygen supply machine and a refrigerator; each breeding module is composed of one or more breeding water tanks; the water treatment module and the breeding water tanks are installed on the combined fixing bodies of the fixing module; the filtering device, the oxygen supply machine, the refrigerator and the breeding water tanks are connected through the connecting pipelines, and the circulating pump is arranged on the connecting pipelines. According to the system, the number of the breeding modules can be increased or reduced according to the need, the installation is simple and convenient, and the system is more practical.

The invention discloses a dried eggplant and a processing method thereof. The dried eggplant is processed from the following raw materials in parts by weight: 80-120 parts of eggplant, 4-6 parts of refined salt, 2-5 parts of rock sugar, 1-3 parts of aniseed, 1-3 parts of white spirit, 2-5 parts of green plum, 2-5 parts of gardenia, 2-5 parts of clove, 2-5 parts of mint and 1-3 parts of peony by cleaning, airing, shredding, cooking, dewatering, sterilizing steps and the like. The eggplant shreds are cooked in a boiler, and the eggplant shreds retain fresh and elegant taste of the green plum, the gardenia, the clove, the mint and the peony and are added with fragrance of the eggplant, so that the eggplant is more tasty, better in mouth feel and more fresh in taste. The invention enriches the eating methods and the processing methods of the eggplant, so that the market range of the eggplant is effectively widened, household use or restaurant use of the eggplant is facilitated, and the market demand is met.

The invention discloses an enhanced chemiluminiscence detection kit. The enhanced chemiluminiscence detection kit comprises a solution A and a solution B, wherein the solution A is 10-200 mM of a trihydroxymethyl aminomethane buffer salt solution comprising 0.1-10 mM of luminol, 1-10 mM of 3-(10'-phenothiazinyl)propane-1-sulfonate, and 0.5-3 mM of 4-morpholinyl pyridine; and the solution B is 1-10mM of a urea peroxide solution. A novel enhancer and an electron transfer intermediate are adopted, the proportion of the components is adjusted, the more effective peroxide is matched, so that a more sensitive detection result is acquired, a target protein is detected from the pic level to the femtogram level; relatively high light intensity is kept within one hour after the reaction starts, thethermal acceleration experiment is conducted at the temperature of 37 DEG C for 2 weeks, but the product effect is not obviously affected, and the enhanced chemiluminiscence detection kit can be stored stably at the temperature of 4 DEG C for 1 year.

The invention discloses ganoderma lucidum mycelium contained nutritional healthy food. The nutritional healthy food is prepared from, by weight, 50-65 parts of ganoderma lucidum mycelium powder, 40-65 parts of active earthworm protein, 10-25 parts of soybean peptide powder, 10-15 parts of ocean fish oligopeptide, 10-15 parts of spirulina, 5-10 parts of soybean phospholipid, 5-10 parts of isomaltulose and 1-3 parts of magnesium stearate. By adoption of ganoderma lucidum mycelium powder and active earthworm protein as main material components and addition of animal polypeptides and plant polypeptides easy for human bodies to absorb, healthcare efficacies can be given into full play. The nutritional healthy food is high in nutrition value and rich in polysaccharide and also has a certain efficacy of disease prevention and treatment.

The invention discloses a bacillus natto, which is classified as Bacillus natto and has been preserved in the China Center for Type Culture Collection with a preservation number of CCTCC M 2014405. The strain is isolated from natto products purchased in the market, and is obtained through ultraviolet mutagenesis screening. The strain can efficiently utilize soybean protein to synthesize vitamin K2; the invention also discloses a method for producing vitamin K2 oil by using the bacillus natto . The invention adopts a novel oxygen supply strategy to optimize the strain fermentation process, and enlarges the fermenter, so that the final vitamin K2 output reaches 60.54 mg / L, the conversion rate relative to soybean protein is 2.018 mg / g, and the production cost is low. The vitamin K2 oil can be efficiently produced by the method of the invention, the whole process is simple, the operation is convenient, the production cycle is short, the vitamin K2 content is high, the fermentation cost is reduced, and the method is suitable for industrial production.

The invention provides application of a butyrate compound in the preparation of medicines for preventing and curing NEC. The butyrate compound is selected from at least one of butyrate and pharmaceutically acceptable salt or a derivative thereof. The effective constituent such as the butyrate compound is added into the medicines, the condition that the butyrate compound can extremely effectively prevent and cure necrotizing enterocolitis is first discovered, including that the morbidity and mortality of necrotizing enterocolitis are obviously reduced, the time of duration of necrotizing enterocolitis is shortened, the complications of necrotizing enterocolitis are reduced, and / or the order of severity of the complications is alleviated. Moreover, the butyrate compound has the effects of promoting growth and development, maturity of immune system and development of intestinal tracts.

The invention relates to culture medium for fermentation production of erythromycin with red streptomyces and a fermentation method thereof. The culture medium includes seed culture medium and fermentation culture medium, wherein the seed culture medium is prepared from starch, corn steep liquor, ammonium sulfate, light calcium carbonate, zinc sulfate, magnesium sulfate and a right amount of defoaming agent, and the fermentation culture medium is prepared from starch, corn steep liquor, ammonium sulfate, calcium carbonate, magnesium sulfate, zinc sulfate and a right amount of defoaming agent.According to the culture medium and the fermentation method, through change of the formula structures of the seed culture medium and the fermentation culture medium, change of the formula structure and control means of additional medium and introduction of several trace elements, the metabolic pathway of cells is changed, so that tertiary fermentation is shortened to secondary fermentation, and the fermentation time is shortened; meanwhile, the cost of fermentation raw materials is reduced, the fermentation culture medium is diluted, oxygen supply in the fermentation process is improved, and energy consumption of oxygen supply is reduced; through implementation of the technology, the fermentation level of erythromycin is significantly improved, and erythromycin E in the product is significantly reduced.

The invention discloses a cell culture reactor, which includes a tank, an air inlet pipe and a sampling pipe. The tank is provided with a reaction chamber and an air inlet, an air outlet, a sample adding port and a sampling port that communicate with the reaction chamber. The size of the reaction chamber is gradually reduced from the bottom to top, and the undersurface of the reaction chamber is provided with a tapered projection. One end of the air inlet pipe is located outside the tank and communicates with a bioreactor, and the other end of the air inlet pipe is extended to the bottom of the tapered projection via the air inlet. One end of the sampling pipe is located outside the tank and communicates with the bioreactor, and the other end of the sampling pipe is extended to the bottomof the tapered projection via the sampling port. The air outlet and the sample adding port communicate with the bioreactor, respectively. The cell culture reactor is good in oxygen supply performance,uniform in oxygen distribution, reduced in damaged cells, improved in cell culture efficiency, and low in production cost.

The invention belongs to the technical field of cosmetics intelligence. The intelligent facial mask is composed of a mobile phone APP operating system, an intelligent host 'medium-frequency pulse introducing instrument' and a face pasting membrane. A working procedure is divided into three steps of cleansing, introducing and relieving. According to the principle, the intelligent host with a biological negative current (3V negative current) is utilized for conducting pore dredging and skin cleansing on skin through micro-frequency vibration, essence ingredients in the facial mask are introduced into skin deep layers, absorption of skin to nutrient substances and active substances is promoted, the skin is released, and the using efficiency of the facial mask is improved. The whole process is monitored through the mobile phone APP operating system, the skin conditions before and after the facial mask applying process are embodied digitally, and a rationalized skin care suggestion is given out; and a personalized and customized facial mask using manner is really achieved.

The invention relates to the technical field of underwater breathing machines, and especially rerates to a secure underwater breathing apparatus capable of generating oxygen quickly. The secure underwater breathing apparatus capable of generating oxygen quickly comprises a helmet. An observation window, a head lamp, a positioning module, a communication module and an SOS call button are arranged on the helmet; the lower part of the helmet is connected with a water oxygen filter through a sealing body, an air storage tank, an air pump and an accumulator are arranged in the sealing body, and an electric quantity sensor is arranged on the accumulator; an oxygen sensor is arranged in the air storage tank; a mouthpiece is arranged in the helmet, and the air storage tank is connected with the mouthpiece through an oxygen transfer pipeline; the mouthpiece is connected with an exhaust pipeline, and an exhaust outlet and an alarm device are arranged on the helmet; a filter net is arranged at the lower end of the water oxygen filter; the electric quantity sensor and the oxygen sensor are connected to a microprocessor, the microprocessor is connected an intelligent gateway and a controller, the intelligent gateway is connected with the communication module, the controller is connected with the air pump and an electronic switch, and the electronic switch is connected with the alarm device. The secure underwater breathing apparatus capable of generating oxygen quickly is capable of quickly providing oxygen, detecting the electric quantity and oxygen concentration, performing positioning, transmitting SOS signals to a master station in distress, and high in security.