34results about How to "Lower retention rate" patented technology

A trusted device, such as a wristwatch 2, is provided with authentication circuitry 26, used to perform an authentication operation to switch the trusted device into an authenticated state. Retention monitoring circuitry 32 monitors the physical possession of the trusted device by the user following the authentication operation and switches the trusted device out of an authenticated state if the trusted device does not remain in the physical possession of the user. While the trusted device remains in the physical possession of the user, communication triggering circuitry 38 is used to detect a request to establish communication with a target device that is one of a plurality of different target devices and communication circuitry 40 is used to communicate with that target device using an authenticated identity of the user.

The invention discloses a tunnel tunneling energy gathering water pressure smooth blasting device and method. The energy gathering water pressure smooth blasting device comprises explosive, an explosion propagation wire and a detonator. An energy gathering pipe formed by two half wall pipes which are the same in shape and are buckled with each other is filled with the explosive. Each half wall pipe is in an M shape, one end of each M-shaped half wall pipe is inwards bent, the other end of each M-shaped half wall pipe is connected with one side groove wall of a U-shaped buckling groove, and the opening direction of each buckling groove and the bending direction of the bent end of the corresponding half pipe wall are the same. The center of the top of each half wall pipe is recessed inwards to form an energy gathering groove. The blasting method comprises the steps that after a first water column layer formed by a water bag is placed at the position, close to the bottom of a shot hole cavity, in the shot hole cavity, the energy gathering water pressure smooth blasting device is placed, a second water column layer formed by a water bag is placed closely attached to the energy gathering water pressure smooth blasting device, and finally a backfill blockage layer is placed. According to the tunnel tunneling energy gathering water pressure smooth blasting device and method, polishing blasting shot holes can reduced by 50%, the construction period is shortened, insufficient digging is avoided while excessive digging is prevented, and the economic benefits are increased.

The invention discloses a die-casting argon-blowing protection device, which comprises an argon-bowing protection part, an argon-sealing brick and a windshield, wherein the argon-sealing brick is arranged under the argon-blowing protection part, a gap is formed between the argon-blowing protection part and the argon-sealing brick, the upper part of the argon-blowing protection part is clamped with a steel ladle, an inner hole is formed in the argon-blowing protection part, the hollow cavity of the steel ladle and the inner cavity of the argon sealing brick are communicated through the inner hole, the lower part of the argon-blowing protection part is provided with a protection ring, a plurality of wind outlets are formed in the lower end surface of the protection ring, the wind outlets are arranged around the inner hole, and are communicated with an argon gas transmission device, the ring-shaped windshield is covered on the argon-blowing protection part and the argon-sealing brick and encloses the gap, and the windshield is made of a ceramic fiber fabric. By adopting the structure, the die-casting argon-blowing protection device disclosed by the invention has the following advantages that the nitrogen retention rate in steel is obviously reduced; and as the gap between the argon-blowing protection part and the argon-sealing brick is in a sealed state, the argon gas leakage can be reduced, and further, the argon sealing with argon gas atmosphere with higher argon gas concentration and lower nitrogen-oxygen partial pressure can be formed.

A cross-belt sampler (100) for material (70) on a belt-conveyor (60) has a cutter head (50), where the cutting edges (9) of the side plates (3, 4) lie on lines co-incident with the axis of rotation (1) of the cutter head (50). The rear plate (5) lies on a plane parallel to the axis of rotation (1) and a truncated plate (6) eliminates a sharp corner in which the material (70) may be compacted. The axis of rotation (1) of the cutter head (50) is offset a distance (28) relative to the longitudinal axis of the belt conveyor (60).

Disclosed herein are compositions and methods for the targeted delivery of therapeutic cells to a target tissue. In several embodiments, the therapeutic cells are captured by an antibody that is coupled to a magnetic particle, which is in turn coupled to an antibody directed against a specific marker expressed by a target tissue. In some embodiments, the therapeutic cells comprise the target tissue is damaged or diseased cardiac tissue. In several embodiments, in conjunction with an applied magnetic field, the methods, in combination with the compositions, yield enhanced delivery, of the therapeutic cells to the target tissue, thereby resulting in repair and/or regeneration of the target tissue. Also disclosed are methods for the non-invasive detection of immune responses to transplanted cells or organs.

The invention provides a continuous-phase-change sauce residue oil extraction method. According to the invention, a dried and crushed sauce residue raw material is placed into an extraction kettle; under a condition with a pressure constantly lower than an extracting agent critical pressure and a temperature constantly lower than an extracting agent critical temperature, the extracting agent is compressed into a liquid; the extracting agent flows through the extraction kettle with a certain flow rate, such that castor oil is extracted; the material is delivered into a resolution kettle; heating and pressure reducing are carried out, such that the extracting agent is changed into a gas phase; instant compression is carried out, the extracting agent is changed into liquid, and flows through the extraction kettle, such that the material is extracted again. The steps are repeated several times. The extracting agent is one of ethanol, propane, butane, high-purity isobutane, R134a, dimethyl ether, liquefied petroleum gas, and sulfur hexafluoride. The method provided by the invention has the advantaged of high efficiency, no solvent residue in product, and high aroma component retention rate of a supercritical extraction method. Extraction pressure and resolution pressure of the method are lower than those of supercritical extraction. The method also has the advantages of large extraction volume, large-amount batch production, low production cost, and the like of a conventional solvent extraction method.

A chip resistor, wherein a resistance film (5) is formed between a pair of terminal electrodes (2) and (3) on the upper surface of an insulating substrate (2) and two intrusion grooves (7) and (8) for making a route for passing current therethrough in a zigzag pattern and two trimming grooves (9) and (10) are alternately formed in the resistance film. The two intrusion grooves (7) and (8) are disposed adjacent to each other at a generally center part between one end (5a) and the other end (5b) of the resistance film (5), and one trimming groove (9) is formed at a portion between one intrusion groove (8) and one end (5a) of the resistance film and the other trimming groove (10) is formed at a portion between the other intrusion groove (7) and the other end (5b) of the resistance film. Thus, a time required for trimming adjustment to adjust a resistance value to a specified value can be reduced and a yielding rate can be reduced to reduce cost.

The invention provides a using method of a high-speed steel roll on a Steckel mill. The using method of the high-speed steel roll on the Steckel mill comprises the following steps: using the high-speed steel roll as a working roll of the Steckel mill and cooling the high-speed steel roll with cooling water, wherein the lower limit temperature of the high-speed steel roll is 65-70DEG C; the initial convexity of the high-speed steel roll is negative 300 to negative 200[mu]m; lubricating by adopting an oil-water mixed spray method; adopting a different-step roll shifting strategy. The using method of the high-speed steel roll on the Steckel mill has the advantages that the normal use of the high-speed steel roll on the Steckel mill is realized, the problems of high points and thinning at edge parts caused by roll wear are reduced and the pattern of band steel is good; the over-thick length of the head and the tail of the band steel is reduced, and the surface roughness and the glossiness of the band steel rolled by the high-speed steel roll are also greatly improved.

This invention provides lateral flow filters with pore size gradients and with features to prevent peripheral flows around the filter. The filters can be laminated composites of two or more planar filter layers. Cartridges employing the filters can include a filtration chamber configured to retain the lateral flow filters including a port for sample application and a capillary channel for filtrate egress. The fluid egress port can be positioned to receive filtrate from one filter layer but not another.

The invention provides a method for extracting cellulose from sugarcane bagasse. The method for extracting the cellulose from the sugarcane bagasse is characterized in that the bagasse is used as a raw material, a cyclic glycerol applying/water pre-processing method is adopted, cooking temperature is 200 DEG C-240 DEG C, cooking time is 1-5 hours, and the bagasse can be cyclically cooked and processed for 7 times by applying the glycerol subjected to suction filtration and washing in the cooking process, and water subjected to evaporation, washing and suction filtration is recovered for lignin precipitation, and the purpose of extracting the cellulose from the sugarcane bagasse is achieved. The United States Energy Laboratory (NREL) method is adopted to determine components of the cellulose, the retention rate of the cellulose is 94%, the lignin removal rate is higher than 55%, enzymolysis efficiency is 48%, the reutilization objective of conducting cyclic glycerol applying/water pre-processing on sugarcane juice and bagasse to extract cellulose is achieved, a large amount of glycerol/water is also saved, and an active role is played on future large-scale production or even industrial production.

The invention discloses a narrow distribution gemini surfactant and a preparation method of the surfactant. The preparation method comprises the following steps: uniformly mixing alkyne glycol and ethylene oxide at a mole ratio of 1 to 1-20, adding an azacyclo catalyst into a system for addition reaction at 50-120 DEG C and 0.3-0.8MPa, and generating the narrow distribution gemini surfactant. Thenarrow distribution gemini surfactant overcomes the problems of a deep color and a low alkynyl retention rate of the traditional catalyst, and improves a narrow distribution characteristic of a product. The invention further provides the preparation method of the narrow distribution gemini surfactant.

The invention discloses a method for preparing a polyether modified polycarboxylic acid grinding aid. The method is characterized by comprising the following steps: preparing solutions from methyl allyl alcohol polyoxyethylene ether, crylic acid and vinyl acetate in a mole ratio of (1-5):(1-4):(0.1-0.3), and an initiator which accounts for 0.5-1.6% of the total mass and a chain transferring agent which accounts for 0.1-0.5 of the total mass; feeding the methyl allyl alcohol polyoxyethylene ether solution and the chain transferring agent into a reactor, mixing crylic acid and vinyl acetate, putting the mixture into a first constant-pressure liquid dropping device, and putting the initiator solution into a second constant-pressure liquid dropping device; and starting the constant-pressure liquid dropping device at 40-60 DEG C, completely dropping the liquid within 55-65 minutes, stirring to react for 30 minutes at 55-60 DEG C, heating to 85-90 DEG C to react for 10-30 minutes, cooling, and adjusting the pH value to be 7-8, thereby obtaining the polyether modified polycarboxylic acid grinding aid. The polyether modified polycarboxylic acid grinding aid is good in grinding aid and water reduction effect when used for producing universal silicate cement.

The invention discloses novel cement-based anti-impact paste slurry. The novel cement-based anti-impact paste slurry is prepared from the following components: in a plain cement slurry system with a water cement ratio of 0.48-0.51, 1wt% of cationic polyacrylamide, 2wt% of hydroxyethyl cellulose ether, and 1wt% of a SN-7 accelerator; the SN-7 accelerator is prepared from the following chemical components in percentage by weight: 2% of a water reducer, 81% of sodium metaaluminate, 12% of calcium silicate and 5% of sodium aluminoferrite, wherein a water cement ratio is preferably 0.5 to 1. The invention further discloses a preparation method for the paste slurry. A taguchi method is adopted to design a three-factor three-level orthogonal test program, and yield stress and plastic viscosity ofthe test sample are mainly observed; a multi-factor variance analysis and grey relational degree assessment method is utilized to refine the novel cement-based anti-impact paste slurry formula whichmeets the yield stress and the plastic viscosity optimizing index.

The invention discloses a method for producing a food material with a high GABA (gamma amino acid butyric acid) function with a rice endogenous enzyme activation method. A glutamic acid decarboxylase activation technology is adopted on the basis that rice endogenous glutamate decarboxylase characteristics and an activity regulatory mechanism are defined, so that healthy rice food with a high GABA content is produced; germinated brown rice rich in GABA is taken as a raw material, and with the adoption pretreatment of aminotransferase for passivating and decomposing GABA, germ-remained GABA polished rice is produced; a natural nutrient solution containing a glutamic acid decarboxylase activating agent and a special buffer system is utilized for sprouting; and a rice husk and a rice germ are taken as a GAD (glutamic acid decarboxylase) source, a food ingredient rich in GABA is produced after the GAD source is immobilized, and the food ingredient is applied to GABA nutrition coordination rice powder production. The method is simple and convenient, development of food materials rich in GABA functional factors can be accelerated, and the food material can be used as or for functional food which is resistant to hypertension and can promote brain functions and liver functions.

The invention discloses a treating fluid and a method for water cutting propagation of rosa chinensis by using the same. The treating fluid comprises indolebutyric acid, naphthylacetic acid and acetylsalicylic acid, wherein the mass ratio of indolebutyric acid to naphthylacetic acid is 1:(1-3), and the mass ratio of indolebutyric acid to acetylsalicylic acid is (0.1-0.6):1; and the a preparation method comprises the steps: shearing cuttings; inserting the cuttings into water after immerging the cuttings into the treating fluid for 2-4h; and carrying out management after insertion. The treatingfluid and the method for water cutting propagation of rosa chinensis by using the same have the remarkable advantages that the treating fluid is capable of effectively increasing the rooting percentage of the cuttings of rosa chinensis, further reducing the pollution rate of bases of the cuttings, making the rooting percentage reach 98.5%, making the average root number reach 15.8, making the average root length reach 1.9cm, making the root development index reach 29.6 and making the leaf retention rate reach up to 85.5% and obvious in rooting effect because most of cuttings root on joints; in addition, the method for water cutting propagation of rosa chinensis by using the treating fluid is simple and convenient to operate and low in cost.

The invention provides a fully drawn yarn (FDY) paper tube. A paper tube body comprises a paper tube base cylinder layer and an outer coating layer coating the external surface of the base cylinder layer. One end of the paper tube body is a straight edge end, and the other end of the paper tube body is a turned edge end. The base cylinder layer is formed by mixedly winding bobbin fiber paper and recycled base paper with a weight ratio of no less than 10%, the outer coating layer is made of facial tissues selected from parchments or glass paper, and the weight ratio of the recycled base paper is not less than 20%. The paper tube has good physical properties and mechanical properties and is simple and reasonable in structure. The end face friction of the paper tube can be effectively reduced, the retention rate of tail fibers is reduced, yarn breaking or fuzzy yarn during paper tube unwinding is avoided, and thus the unwinding success rate of a yarn cake is increased, and the graded product rate of chemical fiber products is promoted.

An organic EL device includes an anode layer, a hole injection and transport layer, an organic light-emitting layer and a cathode layer. The anode layer is formed of metal-oxide based material which is electrically conductive. The hole injection and transport layer is formed on the anode layer using material other than phthalocyanine metal complex. The organic light-emitting layer is formed on the hole injection and transport layer. The cathode layer is formed on the organic light-emitting layer. After the organic EL device is heated for 150 hours at the temperature of 85 DEG C, the retention rate of its power efficiency is equal to or more than 80 %.

The invention provides a sauce-spiced ducks and a preparation method thereof, and belongs to the technical field of poultry meat product processing.The preparation method of the sauce-spiced ducks comprises the following steps: 1) putting seasoning bags into abdominal cavities of duck bases to be pickled, incising surfaces and abdominal cavities of the duck bases, and coating the incisions with seasoning paste so as to obtain coated duck bases; 2) steaming the coated duck bases obtained in the step 1) by using microwave at 95-100 DEG C for 25-35 minutes so as to obtain steamed duck bases; and3) coating outer surfaces of the steamed duck bases obtained in the step 2) with the seasoning sauce, and carrying out microwave-heating at 60-80 DEG C for 10-15 minutes.The seasoning sauce comprisesthe following ingredients in parts by weight: 45-55 parts of honey, 10-20 parts of original hippophae rhamnoides pulp, and 340-360 parts of water.The sauce-spiced ducks prepared according to the preparation method are high in nutrient content, and good in edible quality.

The invention provides high-concentrated radix puerariae juice and an extraction method thereof, and relates to the technical field of health-care beverages. The high-concentrated radix puerariae juice disclosed by the invention comprises the following raw materials of 120-150 parts of fresh radix puerariae, 5-12 parts of palm oil, 5-11 parts of rubus corchorifolius concentrated juice and 6-15 parts of carbohydrate. The palm oil, the rubus corchorifolius concentrated juice and the carbohydrate are added to the high-concentrated radix puerariae juice, so that the high-concentrated radix puerariae juice is free from side effects on human bodies, nutrient components of the high-concentrated radix puerariae juice are increased, the high-concentrated radix puerariae juice is good in mouth feel,and after the high-concentrated radix puerariae juice is drunk for a long term, the health-care efficacy of nourishing the liver, protecting the liver, nourishing yin, tonifying blood, loosening bowel to relieve constipation, neutralizing the effect of alcoholic drinks and reducing blood pressure can be achieved.

The invention discloses a pulp freshness keeping method. The method comprises the steps that 1, pulp obtained through fermentation and preparation is filtered through an ultrafiltration membrane to obtain post-filtration pulp; 2, the post-filtration pulp obtained in the first step is subjected to microwave treatment and then cooled. The pulp freshness keeping method has the advantages that sundry bacteria in the pulp are removed to prolong the freshness lifetime through the ultrafiltration and microwave integration technology; since the sizes of various sundry bacteria are different, the sundry bacteria in the pulp are selectively filtered out through the ultrafiltration technology, the filtered pulp is colorless, clear and good in sensation, and taste is not changed a lot; furthermore, molds and harmful bacteria are killed by utilizing the microwave effect and the biological effect of microwave heating and selecting the appropriate microwave strength and the appropriate radiation time, and activity of materials and the nutritional ingredients (vitamins) and the color of food can be preserved to the maximum extent.

The invention discloses a preparation method of an aromatic sulfone polymer, which comprises the following steps: adjusting the ratio of a reaction monomer to a salt-forming agent, limiting the average particle size distribution of the salt-forming agent, and finally adjusting the process conditions to obtain the aromatic sulfone polymer. The proportion of the peak area SM500-2000 of a polymer chain with the weight-average molecular weight of 500-2000g/mol of the prepared aromatic sulfone polymer to the peak area SM of the total polymer chain is less than 1%, so that the aromatic sulfone polymer has better high-temperature aging resistance.