333results about How to "High regeneration rate" patented technology

The invention discloses a composite magnetic nano-particle adsorbent. The composite magnetic nano-particle adsorbent is composed of a carrier and an absorbing component, the carrier is a core-shell composite micro-sphere, the core of the core-shell composite micro-sphere is made of ferroferric oxide, the shell is made of a polymer of porous silicon dioxide, a silane coupling agent and ionic liquid, and the size of the core-shell micro-sphere is 200-600 nm. The magnetic composite nano-particle adsorbent has the advantages that the particle size is uniform, the dispersity is good, the specific saturation magnetization is high, the number of active groups is rich, and the removing effect for azo dyes in water is good.

The invention relates to a method and a device for regenerating irradiation active carbons of dielectric barrier discharge plasma, which relate to the technical field of chemical industry adsorption separation and pollutant control. The device mainly comprises a dielectric barrier discharge plasma generator, an active carbon packed bed, an alternating current high-voltage power supply and an air pump, wherein the generator consists of a high-voltage electrode, an insulating medium and a low-voltage mesh electrode, the active carbon packed bed is arranged outside at the outer side of the dielectric barrier discharge plasma generator, active carbons to be treated are put in the active carbon packed bed, active substances and physical effect generated by the dielectric barrier discharge plasma generator irradiate the active carbons in the packed bed through the low-voltage mesh electrode, organic pollutants adsorbed on the active carbons are treated, and the adsorption performance of the active carbons is restored. The method and the device have the advantages that the regeneration rate of the active carbons is high, the treating time is short, and the loss of the active carbons is less without secondary pollution.

A method of operating an internal combustion engine having a reductant delivery and storage system in an emission control system is disclosed. The method includes an approach for reducing thermal damage to aftertreatment devices in an exhaust system by reducing excessive exhaust gas temperatures created during particulate filter regeneration.

A detoxicating fast reproduction method of strawberry by anther culture includes such steps as taking the flower bud of strong strawberry, storing at 4 deg.C in refrigerator for 72 hr, disinfecting with the mixture of alcohol, corrosive sublimate and tween, sucking surface water by aseptic suction paper, taking anther, and sequentially culturing in colli inducing culture medium, regrowing culture medium, secondary culture medium, and rooting culture medium.

The invention provides an automobile braking energy regeneration control system, which comprises a hydraulic accumulator, a variable displacement pump/motor, an electromagnetic clutch, a brake pedal switch, an acceleration pedal switch, a gear switch, a road grade sensor, a vehicle speed sensor, an accumulator pressure sensor, a hydraulic control unit and an electric control unit. The system automatically identifies the acceleration or braking intention of a driver, automatically determines the automobile running state and the road grade state, carries out braking energy recovery control and braking energy release control, thereby controlling the automobile to run stably and improving the recovery rate and the reproducibility of the braking energy.

The invention provides non-aqueous decarburization solution for capturing carbon dioxide in a mixed gas, and belongs to the technical field of capturing of carbon dioxide gas. The invention relates to a non-aqueous decarburization solution, wherein a main absorption component is N-ethyldiethanolamine, and a solvent is N,N-diethylethanolamine. Because the non-aqueous decarburization solution has a high boiling point and low viscosity, uses tertiary amine capable of participating in CO2 absorption as the solvent, and uses secondary amine with a fast absorption speed and a high absorption amount, and easy to regenerate as the main absorption solvent, the absorption capacity, purification degree and desorption speed for carbon dioxide are increased, the temperature range of the reaction is expanded, the volume of a regeneration tower is reduced, the energy consumption of the regeneration is greatly reduced, and the equipment investment and operation cost are reduced. The non-aqueous decarburization solution provided by the invention is mainly used for capturing carbon dioxide in the tail gases of multiple chemical reactions, the tail gases of steel plants and cement plants, ore decomposition gas, combustion flue gas, natural gas, city gas and marsh gas, and has wide application prospect.

The invention provides a high active induction culture method for lily bulbil which is characterized in that: through an induction culture of embryoid and tissue enrichment culture of embryoid tissue, a relative high rapid propagation velocity is obtained; then through an differentiation culture of bulb-lets and an intumescence culture of bulb-lets, transplanting bulb-lets of a circumferential diameter bigger than 3cm are obtained. The growth rate of the bulb-lets of the invention can reach more than one million grains per years which is ten times that of conventional methods. With a large number of small bulb-lets obtained, the ratio of bulb-lets with large specification and large grain size is increased. The invention optimizes the culture procedures of preferential lily seedball, shortens the propagation time of preferential lily seedball; furthermore, the field planting survival rate of bulb-lets is high and the production cost is low; the invention is suitable for the scale rapid propagation production of cut lily elite.

The invention relates to a method of removing organic substances and ammonia nitrogen in aquaculture water, which solves the problem about high cost and low efficiency of aquaculture water treatment. The invention adopts ozone ultraviolet irradiation and biological regeneration filling absorption, the invention is characterized in that: an ozone/ultraviolet combined oxidization reaction tank and a biological regeneration filling reaction tank filled with biological active carbon, biological clinoptilolite, sandiness soil granules, and limestone are arranged, the aquaculture water and the ozone gas are mixed through venturi tube and enters from the lower part of the ozone/ultraviolet combined oxidization reaction tank, the water and the ozone gas flow upwardly through the reaction tank and stay for 2-10 minutes, the treated aquaculture water flows out from the water outlet of the upper part of the reaction tank, the ozone tail gas is exhausted from the gas exhaust opening of the reaction tank; the pre-treated aquaculture water flows through the biological regeneration filling layer from the water inlet of the upper part of the biological regeneration filling reaction tank, and stays for 5-50 minutes, the treated aquaculture water flows out from the lower part of the biological reaction regeneration filling reaction tank, the method is used for aquaculture water treatment.

Provided herein is a medical device that includes RGD attached to the device via a spacer compound.

The invention discloses an agrobacterium-mediated genetic transformation method with a peanut seed domant bud hypocotyl as an explant. The method uses the peanut seed domant bud hypocotyl as the explant and adopts the agrobacterium-mediated method for the genetic transformation after the pre-culture dedifferentiation. By optimized bud induction culturing and rooting culturing processes, the transformation regeneration rate and the rooting speed are improved effectively. The genetic transformation method does not depend on expensive apparatuses of a genetic gun, and the like and requires no expensive experimental vector materials of gold powder, etc. Only a super-floating worktable and relative agrobacterium tunefaciens strains are required for realizing the highly efficient transformation of the domant bud hypocotyl explant of a peanut mature seed embryo under the simplest experimental environment, and the period is short and the transformation effect among different genetic species is stable.

According to an example, in a method for producing a photovoltaic element with stabilised efficiency, a silicon substrate may be provided with an emitter layer and electrical contacts, which may be subjected to a stabilisation treatment step. Hydrogen from a hydrogenated silicon nitride layer may be introduced into the silicon substrate, for example, within a zone of maximum temperature. The silicon substrate may then be cooled rapidly in a zone in order to avoid hydrogen effusion. The silicon substrate may then be maintained, for example in a zone within a temperature range of from 230° C. to 450° C. for a period of, for example, at least 10 seconds. The previously introduced hydrogen may thereby assume an advantageous bond state. At the same time or subsequently, a regeneration may be carried out by generating excess minority charge carriers in the substrate at a temperature of at least 90° C., preferably at least 230° C.

The invention relates to a deleading processing technology, in particular to a method to reduce and remove the heavy metal lead content in the sea buckthorn juice raw material by ion exchange method, comprising the following steps: firstly, step of filtering sea buckthorn raw juice; secondly, step of absorbing and removing the lead; thirdly, step of high temperature sterilizing. Compared with the prior art, the invention has the advantages of utilizing ion exchange technology, adopting the adsorbent to reduce and remove the lead in the sea buckthorn juice raw material, effectively reducing the lead content in the sea buckthorn raw juice, keeping the loss rate of Vc which is the main nutritional ingredient in the sea buckthorn raw juice below 3%, maintaining unchanged main nutritional ingredients in the sea buckthorn raw juice, having cool, fresh and soft taste and repeatedly usage of the adsorbent after elution regeneration. The invention is suitable for the reduction and removal of the heavy metal lead content in the sea buckthorn juice raw material.

The invention relates to a method for preparing and regenerating a rhizopus oryzae protoplast for producing L-lactic acid at high yield, comprising the following steps of: A. preparing a rhizopus oryzae spore suspension; B. preparing a seed culture liquid; C. preparing a hypha suspension; D. enzymolyzing a cell wall; E. separating a protoplast; and F. regenerating the protoplast. The rhizopus oryzae protoplast prepared with the method disclosed by the invention is in an approximately-circular shape and has higher activity; the preparation quantity and the regeneration rate of the rhizopus oryzae protoplast can respectively reach 2.74*10<6>/mL and 6.8 percent to the maximum extent. The method is easy to operate, has low requirements for the equipment, and provides a technical reference for preparing and regenerating the rhizopus oryzae protoplast. By using the method disclosed by the invention, the protoplast can be quickly prepared with short regeneration period and high regeneration speed; and the preparation efficiency of the protoplast can be effectively improved. The protoplast prepared with the method provided by the invention completely meets the requirement for fusing the protoplast. The invention provides an operation method with practical significance for preparing and regenerating the protoplast.

The invention discloses an acid-cured environment-friendly binder consisting of the following formula ingredients in percent by weight: 50%-70% of plant phenolics and 20%-40% of furfuryl alcohol which are extracted from natural resources, 2%-10% of strong base type catalyst and 8%-20% of an inert solvent. A preparation method of the acid-cured environment-friendly binder comprises the steps of firstly, weighing materials by weight ratios; adding the plant phenolics in a reaction kettle; adding the catalyst when the temperature is increased to 40-60 DEG C; then increasing the temperature to 100-120 DEG C and keeping the temperature for 0.5-1.5 hours; continuously increasing the temperature to 280-350 DEG C and keeping the temperature for 1.5-3.5 hours; then lowering the temperature to 40-60 DEG C, regulating the pH value to 4-4.5, adding the furfuryl alcohol, increasing the temperature to 80-110 DEG C and keeping the temperature for 0.5-1.5 hours; and then lowering the temperature to 40-60 DEG C, adding the inert solvent, regulating the pH value to 6-8, and after that, regulating viscosity.

The invention relates to a multi-resistant high-yield alcohol yeast mutant strain TT31 and a screening method thereof. A genome reorganizing technology is used for screening high temperature-resistant, alcohol-resistant and acidity-resistant high-yield alcohol yeast mutagenic strain. The method comprises the following steps of: mutating a three-strain yeast strain by ultraviolet; selecting a ten yeast mutant strain which have three resistance and are higher in alcohol yield by a triphenyltetrazolium chloride (TTC) method at a first-level screening, a dieulafoy pipe fermentation method at a second-level screening, and a bottle shaking fermentation method at a third-level screening; preparing protoplast of the ten yeast mutant strains; and reorganizing genome at thee turns to finally obtain the yeast mutant strain TT31 which has higher improvemrnt on temperature resistance, alcohol resistance and acidity resistance. Under the condition of 35 DEG C, the mutant strain is fermented for 72h with alcohol by taking sucrose as a carbon source, and the alcohol yield reaches 101.9g/L.

The invention relates to an adsorbent for removing sulfate ions contained in a water body as well as preparation and application thereof. The adsorbent is a poly (m-phenylenediamine) adsorbent obtained through chemical oxidation polymerization reaction at room temperature by taking m-phenylenediamine as a monomer and ammonium persulfate as an oxidant. The poly (m-phenylenediamine) adsorbent disclosed by the invention has the advantages of simple synthetic process, low cost, good removing effect on sulfate radicals contained in the water body, adsorption quantity reaching more than 107 mg.g<-1> and no secondary pollution; by means of the poly (m-phenylenediamine) adsorbent disclosed by the invention, the treatment effect on waste water with sulfate ion concentration lower than 500 mg.L<-1> can reach more than 95 percent, adsorption rate is high, and adsorption equilibrium can be achieved within 10 minutes; in addition, multiple adsorption results indicate that the desorption rate of poly (m-phenylenediamine) is about 95 percent, and the poly (m-phenylenediamine) can be effectively recycled.

The invention discloses an efficient, rapid and stable genetic transformation method for strawberries 'beauty'. The method comprises the steps of activation of culture, preparation of plant materials, infection, co-culture, screening culture and rooting culture, solves the problems of the pollution of agrobacterium and infectious microbes in a traditional agrobacterium-mediated method, low conversion efficiency of the strawberries 'beauty' and long period of the strawberries 'beauty' from transgenosis and transgenic detection to field transplanting, shortens the period, further solves the problems of large workload and heavy work of transgenic detection, simplifies a detection method, and increases the detection speed. On the basis of the established 'beauty' strawberry leaf regeneration system, the method researches various factors for influencing agrobacterium tumefaciens transforming the 'beauty' strawberry leaves, optimizes various parameters, simplifies the operation process, and determines the best transformation conditions.

The invention relates to the propagation of gulfweed, in particular to the separation and regeneration of the protoplast of the gulfweed. Enzyme liquid prepared by sterilized artificial seawater which comprises the cellulase with the weight concentration of 0.9 to 1.1 percent, pectase with the weight concentration of 0.9 to 1.1 percent and sea snail enzyme with weight concentration of 0.7 to 0.9 mol/L is used for carrying out zymohydrolysis to the sample of the guflweed for 5 to 7h under a dark condition at the temperature of 18 to 22 DEG C for centrifugating and obtaining the protoplast; and according to a normal method, the protoplast is paved into eutrophic seawater and cultured into a new gulfweed seedling. Based on the other plant researches of ancestors, the invention adds the sea snail enzyme and adopts simultaneously the cellulase, the sea snail enzyme and the pectase to remove the cytoderm of the gulfweed, successfully overcomes the problem of low yield of the protoplast, obtains a plurality of gulfweed protoplasts used for regeneration for the first time and successfully obtains a plurality of regenerated individuals of the protoplasts.