369results about How to "Increase acquisition rate" patented technology

In one embodiment, an ultrasound imaging method comprises: providing a probe that includes one or more transducer elements for transmitting and receiving ultrasound waves; generating a sequence of spatially distinct transmit beams which differ in one or more of origin and angle; determining a transmit beam spacing substantially based upon a combination of actual and desired transmit beam characteristics, thereby achieving a faster echo acquisition rate compared to a transmit beam spacing based upon round-trip transmit-receive beam sampling requirements; storing coherent receive echo data, from two or more transmit beams of the spatially distinct transmit beams; combining coherent receive echo data from at least two or more transmit beams to achieve a substantially spatially invariant synthesized transmit focus at each echo location; and combining coherent receive echo data from each transmit firing to achieve dynamic receive focusing at each echo location.

The invention discloses a knowledge map construction method for medical images, belonging to the field of knowledge maps. The construction process includes a step of knowledge representation with a framework theory representation method, a step of knowledge acquisition, wherein the knowledge sources of entity, attribute and attribute value extraction is unstructured data, a step of knowledge fusion with the integration of acquired new knowledge and the elimination of ambiguity, a step of knowledge processing with the knowledge reasoning and quality assessment of the data which is subjected tothe knowledge fusion and the adding of qualified data to a knowledge map, and a step of knowledge update with the update of the knowledge map according to the update and development of medical image knowledge. According to the characteristics of the medical image knowledge, and the knowledge acquisition rate is greatly improved with the unstructured data such as textbooks and academic journals asa source of knowledge.

The invention discloses a nutritional health food with the function of improving gastrointestinal function and a preparation method thereof. The nutritional health food can be used for regulating the intestinal flora to improve the gastrointestinal function from the aspects of increasing the probiotics type and quantity, increasing the probiotics nutrient substance, inhibiting the growth of harmful bacteria and enhancing the immunity of human body. According to the preparation method, probiotics powder such as lactobacillus plantarum is used as the main raw material, and edible fungi extracts and modified dietary fibers are scientifically compounded; saussurea involucrata culture extracts which are capable of remarkably enhancing the immunity of human body, resisting inflammatory and easing pain, and have the functions of oxidation resistance, radiation resistance and fatigue resistance are used, so that while the intestinal probiotics flora types is increased, the fix planting capacity of the endogenous probiotics and exogenous probiotics in the intestinal tracts of human body is remarkably enhanced, and fix planting time of the endogenous probiotics and exogenous probiotics in the intestinal tracts of human body is prolonged remarkably, the growth and reproduction of the harmful bacteria, particularly the Gram negative bacteria, in the intestinal tracts are effectively inhibited, the forming of the probiotic floras in the intestinal tracts is fully regulated and the nutritional health food which is good in probiotic property, capable of remarkably enhancing the immunity of human body and has the effect of improving the gastrointestinal function is prepared.

The invention discloses a health food capable of improving intestinal floras and a preparation method of the health food. The intestinal floras are adjusted on a plurality of aspects of increasing the probiotics variety and quantity, adding probiotic nutrient substances, inhibiting the harmful bacterial growth and increasing the human immunity, so that the gastrointestinal functions are improved. With probiotic powder such as lactobacillus plantarum as a main raw material, an edible mushroom extract is scientifically compounded, and dietary fibers are modified, so that the human immunity can be significantly improved; a saussurea involucrate culture extract has the efficacies of resisting inflammation, relieving pain, and resisting oxidation, radiation and fatigue; the variety of the intestinal beneficial bacteria floras is increased; the field planting capacity of endogenous and exogenous probiotics in human intestinal tracts is significantly enhanced and the field planting time of endogenous and exogenous probiotics in human intestinal tracts is significantly prolonged; the growth and the reproduction of intestinal harmful bacteria, especially gram negative bacteria, are effectively inhibited; the components of the intestinal beneficial bacteria floras are fully adjusted; and the health food which is high in probiotic property, and is capable of significantly improving the human immunity and improving the intestinal floras is prepared.

A process for preparing bromine from concentrated seawater includes such steps as acidifying, oxidizing, air blowing-out, SO2 absorbing and distilling.

The invention discloses a probiotic-containing health food and a preparation method thereof, wherein intestinal florae are adjusted in many aspects of increasing the types and quantity of probiotics, increasing the nutrient substances of the probiotics, inhibiting the growth of harmful fungi, enhancing human immunity and the like, so as to improve gastrointestinal functions. Probiotic powders of lactobacillus plantarum and the like are taken as main raw materials, and edible fungi extract, modified dietary fibres, a saussurea involucrata culture extract capable of remarkably enhancing the human immunity, resisting inflammation and easing pain and having anti-oxidization, anti-radiation, anti-fatigue functions and the like are scientifically compounded, and then the planting capacity and the planting time of endogenous and exogenous probiotics in human intestinal tracts are remarkably improved and prolonged, the growth and reproduction of intestinal harmful fungi, especially, Gram-negative bacterium, are effectively inhibited, and the composition of intestinal probiotic florae is adequately regulated while the types of the intestinal probiotic florae are increased; therefore, a health food with high probiotic property, capable of remarkably enhancing human immunity and containing probiotics is prepared.

The invention belongs to the field of food processing machines, particularly relates to an automatic egg breaking machine and an automatic egg breaking method, solving the problems that the traditional devices drilling for breaking eggs by adopting a manual drawing mode has large workload; a blowing needle head and an egg liquid backflow pipe are usually poked and cannot enter egg shells; the poking hole of the needle head is small, thus egg liquid flows out slowly; the egg liquid contacts with a plurality of devices and is not sanitary, and the like. The machine comprises a stand, an egg feeding device which is provided with a plurality of egg dies and arranged on the stand, an egg drilling device which is arranged below the egg dies and used for drilling the bottoms of the egg shells in the egg dies, an egg clashing device which is arranged above the egg dies and used for clashing the egg liquid of the drilled eggs and an egg liquid barrel correspondingly arranged below the egg clashing device. The method comprises the following steps of: (a) putting eggs into the egg dies; (b) pressing the egg dies to fix the eggs into the egg dies; (c) drilling bottom holes by using an egg driller; (d) pricking egg clashing needles into the tops of the eggs to charge air to clash out egg liquid; and (e) putting egg shells into a waste box. The invention is suitable for food factories for taking egg liquid, and the like.

The present invention provides a flat panel fluorescent lamp and fabricating method thereof, by which an acquisition rate of externally transmissive light and discharge uniformity are enhanced. The present invention includes a fluorescent layer on an upper plate to have a plurality of prominences and depressions, a lower plate leaving a predetermined gap from the upper plate to form a hermetic space together with the upper plate, at least one or more electrodes on the lower plate, and an insulating layer on the at least one or more electrodes.

The invention relates to a method for preparing allicin from garlic which consists of the following steps: after the garlic is peeled, cracking and pulping; enzymatic conversion; ultrasonic extraction; impurity removing; vacuum condensing; spraying and drying; the method is characterized in that: in step b, water and/or ethanol is used as a solvent; the concentration of the ethanol is 0 to 50 percent or 100 percent; the garlic pulp and the solvent with a weight ratio of 1: 2 to 1: 6 is inputted into a reaction kettle; the reaction temperature is 30 to 50 DEG C; the reaction time is 60 to 120min. The method of the invention has the beneficial effects of no residue of harmful matters, simple process and short period; besides, the used chemical reagent accords with the environment protection. As the enzymatic conversion and ultrasonic extraction technology in a low temperature, removing macromolecule matters with ultrafiltration, membrane condensing and the freezing drying technology of low temperature preparing during the full process are adopted, the obtaining rate and the activation of the allicin are greatly improved; no harmful solvents are used; the cost is low; the method of the invention is applicable for industrial production.

The invention discloses a potential client mining method and device. The method comprises the steps that searching behavior information of a user is obtained; feature information in the searching behavior information is extracted; according to a potential user mining model obtained by pre-training, the feature information is predicted, and whether or not the user is a potential user for a commodity house purchasing is judged; if yes, an elaborated tag of the user is determined according to the researching behavior information; the user and the elaborated tag of the user are loaded into a potential user library. According to the potential client mining method, the mining cost of the potential user can be significantly reduced, the interaction of the user is improved, and the acquisition rate and accuracy of the potential user are also improved.

The invention discloses an umbilical cord mesenchymal stem cell (MSC) separation culture and amplification method. The umbilical cord MSC separation culture and amplification method comprises the steps of (1) clearing, (2) treatment, (3) culture, and (4) inoculation and passage. The umbilical cord MSC method obtained by adopting a tissue mass separation method is simple, the cost is low, cell activity is good, purity is high, the final harvested cell concentration is high, the obtained MSC method is simple, MSCs can be quickly and efficiently separated, the culture time is shortened, after culture is conducted for 4-5 days, it can be seen that the cells climb out from tissue masses, the final harvested cell concentration is high, and the entire umbilical cord MSC culture process can be standardized, programmed and normalized.

The invention discloses a producing method for preparing lithium carbonate by taking carbonate type brine and sulphate type brine as raw material and by repeatedly mixing brine. Firstly carbonate type brine and sulphate type brine are mixed for performing the first brine mixing, so as to ensure that CO3<2-> ion and Mg<2+> ion in the mixed brine are completely reacted to produce basic magnesium carbonate, brine is evaporated and concentrated, and solid and liquid are separated, so that basic magnesium carbonate precipitate is removed, and lithium enrichment brine is obtained; and then the lithium enrichment brine and carbonate type brine, the lithium ion concentration of which is evaporated and concentrated to be saturated or nearly saturated, are mixed for performing second brine mixing, so that Li+ ion in the mixed brine produces lithium carbonate, solid and liquid are separated, lithium carbonate precipitate is removed, and the lithium carbonate precipitate is washed with hot water and dried, so that lithium carbonate products are obtained. Besides electricity, the method basically does not require foreign material, the investment is less, the technology is simple, the method can be applied to the mass production of lithium carbonate, the acquisition rate is high, the product quality meets the national standard, and the method is particularly suitable for the development of lithium resources of saline lake in Tibet.

The present invention discloses a method for using pennisetum hydridum lignin for preparation of active carbon and application of the active carbon, the method comprises the following steps: hydrothermal coke can be prepared from the pennisetum hydridum lignin as a raw material by a hydrothermal method, the hydrothermal coke is impregnated with a solution of phosphoric acid, then the impregnated hydrothermal coke is put into a muffle furnace for carbonization, and finally the impregnated hydrothermal after the carbonization is activated by a hydrochloric acid solution, washed and dried to obtain the active carbon. The active carbon prepared from a pennisetum hydridum waste residue is just suitable for detoxification and decoloration of a hydrolyzate after pennisetum hydridum hydrolysis due to the pore size of the active carbon, and compared with the decolorization effect of purchased commodity active carbon, the decolorization effect of the active carbon is better.

The invention brings forward a production process for extraction of chlorogenic acid from a green coffee bean. According to the production process, the green coffee bean is used as a raw material, and crushing, extraction, condensation, centrifugal ultrafiltration, resin separation, elution and refining are carried out so as to obtain chlorogenic acid. Compared with the prior art, the invention has the following beneficial effects: since supersonic waves are used for pretreatment, ultrafiltration technology is used for removing macro-molecules and the resin D-140 is used to adsorb chlorogenic acid or adjust a pH value, chlorogenic acid is separated from an organic layer in an aqueous layer, the yield rate and the purity of chlorogenic acid are substantially improved, chlorogenic acid contained in the green coffee bean can be effectively and fully extracted, 70% of total chlorogenic acid can be extracted, 60% of single chlorogenic acid can be extracted, cost for the raw material is saved, technology is improved, no harmful solvent is used, and the production process is simple and easy and is suitable for industrial production.

The present invention relates to a mechanical pulping method of bamboo pulp, including the procedures of raw material treatment, extrusion to extract fibre, soaking-softening and grinding to make pulp. It is characterized by that the procedure of extrusion to extract fibre uses bamboo pulp-making machine to extrude bamboo material, and separates the bamboo fibre from bamboo juice liquid uner the action of high temp. and high pressure to extract bamboo fibre. The soaking-softening procedure includes the steps: soaking bamboo fibre in hot alkali water whose alkali content is 1%-5% for 1-2 hr. and softening and dissolving lignin and hemicellulose; and the grinding and pulping procedure is to place the soaked bamboo fibre in pulp grinder and grind it to obtain monomer fibre pulp stock.

The invention discloses a method for preparing a feed additive by using citrus waste residues, which relates to the feed processing technical field. According to the invention, residues after extracting the biological flavonoid from the citrus waste residues, performing compound enzyme fermentation, drying, crushing to obtain the additive. The method comprises the following steps: preparing microorganism, mixing the materials, fermenting, drying, crushing and packing by metering; the additive has the characteristics of low cost and high protein content, and is capable of reducing the environmental pollution, can be used as feed additives for pigs, cattle, sheep, chicken, ducks and aquatic animals, and the addition proportion accounts for 5-10% of the feed amount.

The invention discloses a method for extracting RNA of sweet potato root tuber and application thereof. Beta-mercaptoethanol and polyvinylpyrrolidone are used to prevent polyphenols from interfering the separation of RNA; and in addition, the NaCl with high concentration, absolute ethyl alcohol and potassium acetate are used, so the polysaccharose can be rapidly precipitated, and the influence of the polysaccharose on the extraction of RNA can be prevented. When preventing the interference effect of the polyphenols and the polysaccharose on the separation of RNA, RANA can still be remained in the solution, so the RNA with good quality, high purity and good completeness can be obtained, and the attainment rate and the yield of the RNA are large. The method has high practical application value, and can satisfy the research of molecular biology such as reverse transcription, Northern hybridization, cDNA library construction, transcriptome analysis and the like.

The invention discloses a method for extracting lithium hydroxide from amblygonite through a lime method. The method comprises S1 grinding raw materials to obtain powder of 100 to 200 meshes, S2 uniformly mixing the powder to obtain a raw material, S3 carrying out calcination at a high temperature to obtain clinker, S4 carrying out leaching and filtration to obtain a lithium hydroxide solution, S5 carrying out evaporation concentration to obtain a lithium hydroxide clear solution, and S6 carrying out crystallization to obtain lithium hydroxide crystals. The method extracts lithium from the unused raw material, expands a lithium extraction range, utilizes sodium sulfate based on the traditional lime method, improves a lithium precipitation degree, improves a lithium acquisition rate, reduces a raw material roasting temperature and realizes energy saving and emission reduction.

The invention discloses a production method for a fireproof, flame-resistant, medium-density fiber closet plate. The method comprises the steps of (1) preprocessing of raw materials, (2) screening, (3) steaming and boiling for softening, (4) grinding, (5) sizing and drying, (6) prepressing, (7) hot pressing, (8) sawing and sanding, (9) veneering and hot pressing and (10) edge cutting. In this way,a finished product is obtained. The method disclosed by the invention is characterized in that eucalyptus barks and branches and waste leftover bits and pieces left after panel manufacture are takenas main raw materials, other miscellaneous wood is added and waste is recycled, so wood resources can be utilized fully and effectively; and modified paraffin and flame-resistant urea-formaldehyde resin adhesive are added, so resistance of the product to fire and flame is greatly enhanced. The medium-density fiber cabinet plate is highly resistant to fire, flame and water and low in the content offormaldehyde, so the product is a safe and environment-friendly closet plate.

The invention belongs to the technical field of cross breeding of plants and relates to a novel method for improving an achievement rate of a first backcross hybrid generation of oryza sativa and oryza minuta. The method includes that firstly, the oryza sativa is used as a female parent, the oryza minuta is used as a male parent, and the oryza sativa and the oryza minuta are subjected to hybridization and embryo rescue to obtain an interspecific hybrid F1 plant; secondly, the interspecific hybrid F1 plant is used as a female parent, the corresponding oryza sativa is used as a male parent, the interspecific hybrid F1 plant and the corresponding oryza sativa are subjected to backcross, by means of a method which is similar to a method of hybrid rice seed production, and the pollination is directly performed for 3 consecutive days to obtain a plurality of young embryos of a first wide cross and backcross hybrid generation; and finally, the plurality of young embryos are subjected to the embryo rescue to obtain the first backcross hybrid generation BC1F1 plant. According to the novel method for improving the achievement rate of the first backcross hybrid generation of the oryza sativa and the oryza minuta, the method is simple in operating and low in cost, the achievement rate can be stably improved from current 0.02% -0.03% to 0.32%-0.35%, and the problem that the first backcross hybrid generation BC1F1 of the oryza sativa and the oryza minuta is difficult to achieve is solved.