320 results about "Weightlessness" patented technology

The invention provides a fall alarm, a fall alarm detector and a fall alarm detecting method. The fall alarm comprises an MCU (microcontroller unit), a sensor unit, a GSM (global system for mobile communications) wireless unit, a display unit, a push-button unit, an alarm unit and a Bluetooth unit. The sensor unit, the GSM wireless unit, the display unit, the push-button unit, the alarm unit and the Bluetooth unit are connected with the MCU. The sensor unit comprises a 3D (three-dimensional) acceleration sensor for detecting the acceleration of a user and an air pressure sensor for detecting air pressure data. Through the data acquired by the 3D acceleration sensor and the air pressure sensor, the moving-down state, state of weightlessness and collision state of the body center of gravity of the user can be detected accurately, and misjudgement is less easy to occur. When the user is judged to fall down, the fall alarm operates timely, and accordingly injuries of unattended patients or old people can be reduced to the lowest level.

The invention discloses high-fluoride-content graphite fluoride and a preparation method thereof. The method comprises the following steps: preparing aqueous dispersion liquid of graphite oxide with a conventional improved Hummers method, then freezing the aqueous dispersion liquid of graphite oxide in liquid nitrogen to be completely frozen into solid, and freezing and drying to obtain cellular graphite oxide; under a mixed atmosphere of inert gas and fluoride, warming the cellular graphite oxide for fluoridation, and cooling to room temperature. The fluoride content of the prepared high-fluoride-content graphite fluoride is 55-70 percent, fluorine atoms are bonded with carbon atoms in a covalent bond mode, weightlessness peak temperature is larger than 470 DEG C, the heat stability is good, and the resistance is larger than 1012 omega. The prepared graphite fluoride has the advantages of high fluoride content, good heat resistance of fluorine-containing groups, low cost, simple process, lower reaction temperature, high safety and energy saving, is suitable for mass production, and has a better application prospect.

The invention discloses a magnet and a manufacturing method thereof, more particularly a sintering magnet with outstanding corrosion resistance and high performance R-(Fe, TM)-Cu-B-X system and a manufacturing method thereof; condition of the magnet is HAST experiment of 130 DEG C, 95% rRH, 2,7bar air pressure, magnet weightlessness in 20 days is less than 2mg/cm<2>, sum of [(BH)max]+[jHc] reaches 64-75, density of the magnet reaches 7.56-7.8g/cm<2>; in the process of manufacturing, an oxygen-free procedure technology using inertia gases or N<2> gas for protection controls contents of oxygen, carbon, nitrogen and hydrogen in the magnet, adjusts cooling speed of a continuous casting furnace with blanks, and controls thickness of an alloy sheet, granularity of powders and pressed compact density within a special range in order to obtain the sintering magnet with outstanding corrosion resistance and high performance R-Fe-B system, greatly saving the strategic metal Co and reducing the cost.

The invention relates to the technical field of straw degradation, in particular to a straw degradation actinomycete and application thereof. The straw degradation actinomycete belongs to streptomyces griseorubens (Streptomyces griseorubens), and the preservation serial number is CGMCC N0.5706. Compared with the prior art, the straw degradation actinomycete and the application have the advantagesthat the streptomyces griseorubens has strong capacity for producing cellulose, hemicellulase, pectinase and ligninase, is free of negative effects on carbon cycling of the nature, and is free of damage to the environment; the streptomyces griseorubens has strong straw degradation capability, enables straw weightlessness rate to achieve 76% after staying in a straw degradation culture medium for 30 days, and is low in culture cost, convenient to operate and easy to industrially apply; and the streptomyces griseorubens has certain antagonism on plant disease microorganism in the soil.

The invention discloses a biological feed at the later period of pregnancy and the lactation period of sows. The feed comprises the following components in percentage: 68.60% of corns in northeastern part, 6.10% of bran, 13.97% of bean pulp, 3.00% of fermented bean pulp, 3.00% of fish meal in Zhejiang, 1.00% of phospholipid oil, 0.02% of probiotics, 0.05% of angel yeast, 1.46% of mountain flour, 0.62% of calcium hydrophosphate, 0.28% of edible salt, 0.02% of phytase, 0.02% of concentrated enzyme, 0.24% of65% lysine, 0.12% of choline chloride, 1.00% of premix, 0.5% of traditional Chinese medicine additives, wherein the components are totally 100%. According to the invention, according to the physiology and reproduction characteristics of the later period of pregnancy and lactation period of sows, the traditional Chinese medicine additives are added in the feed; the lactation yield of sows is improved; the breast milk nutrition is increased, and the aims of sufficient milk quantity of sows, no weightlessness, mastitis prevention as well as high piglet rate of survival, high weight in weaning, and less death in weaning stress and having diarrhea are achieved.

The invention provides an intelligent dynamic weightlessness scale which comprises a raw material bin, a weighing bin and a feeder/batcher, wherein a feeding valve is arranged between the raw material bin and the weighing bin; a weighing sensor is arranged outside the weighing bin; the feeder/batcher is provided with a discharging hole; materials in the raw material bin enter the weighing bin by the feeding valve and then are output by the discharging hole of the feeder/batcher; the intelligent dynamic weightlessness scale also comprises a control unit which receives important information from the weighing sensor in real time; when the weight of the materials in the weighing bin is lower than a preset lower limit, the feeding valve is opened, and the raw material bin feeds the materials into the weighing bin; when the weight of the materials in the weighing bin is higher than a preset upper limit, the feeding valve is closed, and the raw material bin stops feeding the materials to the weighing bin, wherein when the feeding valve is opened, the feeder/batcher discharges the materials in a first mode; and when the feeding valve is closed, the feeder/batcher discharges the materials in a second mode.

The invention relates to a method for judging insulation aging degrees of alternating current (AC) cables. The method has the following beneficial effects: different insulation aging rules of the AC cables are obtained through space charge measurement and physico-chemical performance test and in combination with carbonyl indexes of the unaged cables, computed through comparison,,the cables aged one year and the cables operated for 30 years. The method is characterized by after drying three kinds of cable samples at different aging degrees, carrying out charge accumulation characteristic test, weightlessness percentage determination, activation energy TG value computation, infrared spectroscopic analysis and carbonyl index computation in sequence and then drawing the relation curve of the carbonyl indexes, the sampling positions and the aging time. The method has the following beneficial effect: the insulation aging degrees of the AC crosslinked polyethylene (XLPE) cables are comprehensively judged according to the obtained test data.

The invention discloses a mobile terminal based tumble detecting method. The mobile terminal based tumble detecting method comprises the steps as follows: detecting a total accelerated velocity SVM1 and judging whether the total accelerated velocity SVM1 exceeds a set weightlessness threshold Amin; when SVM1 is smaller than Amin, detecting and synthesizing a direction signal omega1 and judging whether the direction signal omega1 exceeds a set inclination angle threshold omegamin; when the omega1 is smaller than the omegamin, detecting a total angular velocity omega and judging whether the total angular velocity omega exceeds a set angular velocity threshold omegamin; when the omega is greater than the omegamin, detecting a total accelerated velocity SVM2; when the total accelerated velocity SVM2 is greater than a set impact acceleration threshold Amax within a set detecting time t1, detecting and synthesizing a direction signal omega2 and judging whether the direction signal omega2 exceeds a set human body tumble gradient threshold omegamax; when the omega2 is less than the omegamax, indicating that the person has tumbled; processing a signal judging that the person has tumbled into a voice prompt signal and an image display signal. By referring to the feature acceleration, the human body inclination state, the angular velocity and the like in the tumble process of the human body and using a built-in sensor in a mobile phone to obtain necessary parameters, the mobile terminal based tumble detecting method can analyze and judge whether the person tumbles.

The invention relates to a method for manufacturing a split ultrafine fiber hydro-entangled nonwoven fabric by adopting mechanical fiber spreading, which comprises the following steps of: together finishing the fiber spreading and splitting of two different component fibers of a split fiber in a nonwoven fabric by adopting two mechanical fiber spreading methods, i.e. a hydro-entangling method and a bidirectional stretching method with no environment pollution, no weightlessness and low strength loss, and finally preparing the ultrafine fiber hydro-entangled nonwoven fabric containing two different components. Through detection, the fineness of a univalve fiber after fiber spreading is 0.05-0.50, the average fiber spreading ratio is 80 percent, the weight-loss ratio is 0 percent, and the average strength loss is 1.2 percent. The method has simple operation, no use of a chemical agent, little fiber damage, less energy consumption and no environment pollution. The prepared ultrafine fiber nonwoven fabric has the excellent characteristics of high strength, air permeability, moisture permeability, strong adsorption capacity, three-dimensional disorderly fiber web structure, chamois-like appearance and the like and can be widely applied to the fields of high-grade synthetic leather, artificial chamois, high-grade wiping fabrics and the like.

The present invention is directed to a pneumatically actuated swing ride that has rigid swing members rotating about a shaft in a pendulum style of swinging ride. The ride operates with rigid swing members raising one or more riders in a seat platform or gondola up and then accelerates them down through an arc in the pendulum style of swinging movement. The controlled upward movement, a brief delay, and the accelerated downward movement produce weightlessness in the ride that is unmatched in the industry. The weightless effect is incurred at both ends of the arc and every time the cycle is made. By using a pneumatic cylinder, air is used as an air cushion both accelerating and decelerating the ride, giving complete control of the ride.

Disclosed is an apparatus for an antenna weightlessness deployment test. The apparatus for an antenna weightlessness deployment test includes: a pair of first direction mobile support shafts mounted in parallel at a predetermined distance; first direction mobile deployment apparatuses mounted to be supported by an air bearing so as to slidably move on the first direction mobile support shaft; a second direction mobile support shaft mounted to connect the first direction mobile deployment apparatuses with each other; and second direction mobile deployment apparatuses mounted to be supported by an air bearing so as to slidably move on the second direction mobile support shaft.

The invention provides a particle damping vibration absorbing device which comprises a spring piece, a particle damping container and a connecting device, wherein damping particles are placed in the particle damping container, and the connecting device is located between the spring piece and the particle damping container. In addition, a perturbator can be additionally arranged on the particle damping vibration absorbing device. The particle damping vibration absorbing device can provide effective vibration control over micro-vibration (vibration acceleration amplitude Aa < 1g, g=9.8m/s<2>) and strong vibration (vibration acceleration amplitude Aa > 1g) of a structure of a mechanical system and overcome the defect that the damping particles can not work in the micro-vibration environment. The particle damping vibration absorbing device with the perturbator additionally arranged is also suitable for controlling vibration in the space weightlessness environment. The particle damping vibration absorbing device is simple in structure, and can be installed inside a main structure or simply hung on the main structure so as to save the space.

The invention discloses a fruit-preserving green packing material with an ethylene adsorption function and a preparation method thereof, belonging to the field of packing materials. The material comprises 100-90 parts of polyethylene or polypropylene resin by weight and 0.5-10 parts of aluminum silicate molecular sieve by weight, wherein the granularity of the aluminum silicate molecular sieve is 5-100 microns and the silica alumina ratio of the same is 5-100. The preparation method comprises the steps of: firstly preparing the aluminum silicate molecular sieve; then melting and blending the aluminum silicate molecular sieve and the polyethylene or polypropylene resin, and blowing to make thin films. The ethylene adsorption rate of the packing material in the invention reaches 0.25-0.43ml/day.m<2>, and the oxygen transmissivity reaches 1300-4600ml/day.m<2>, therefore, a banana shelf life is prolonged by 25-125%, and the weightlessness is reduced by more than 50%.

The invention discloses a sow and piglet nutrition integration feed and a breeding mode thereof. The sow and piglet nutrition integration feed is composed of a sow feed and a piglet feed. The sow feed is composed of a pregnant sow feed and lactating sow feed. The piglet feed is composed of an anthony pig creep feed and a piglet conservation feed. The sow feed can remarkably improve the sow embryo survival rate, the live litter yield and the piglet birth weight, shorten the birth process, improve the feed intake and lactation yield, reduce parent weightlessness, and shorten the interval between ablactation and re-oestrus; the piglet feed can promote intestinal tract development, improve immunity and anti-stress ability, reduce diarrhea, promote growth and development and achieve that the weight of a 70-day-old piglet is 30 kilograms.

The invention discloses a low-damping suspension hanging type deployment test device which is suitable for horizontal two-dimensional deployment tests of solar wings and antennas of space crafts. The low-damping suspension hanging type deployment test device comprises two air floating long guide rail assemblies (1) fixed to a truss (2), two longitudinal air floating assemblies (3) make contact with the upper surfaces of air floating long guide rails, air floating short guide rail assemblies (4) are connected to the lower ends of the longitudinal air floating assemblies, transverse air floating assemblies (5) make contact with the upper surfaces of air floating short guide rails, and the lower ends of the transverse air floating assemblies are connected with a solar wing (7) through hanging connecting assemblies (6). Clean compressed air with the pressure intensity ranging from 0.5 MPa to 1.0 MPa is input into the transverse air floating assemblies and the longitudinal air floating assemblies through an air distribution system (8) and hoses (9), and tested equipment is supported to be suspended on the air floating long guide rail assemblies and the air floating short guide rail assemblies. By the adoption of the low-damping suspension hanging type deployment test device, the beneficial effects that the space weightlessness condition is simulated and friction resistance in the direction of the air floating long guide rails and friction resistance in the direction of the air floating short guide rails are both smaller than 0.2 N under a 10 kg load condition are obtained.

A low-weightlessness N50-type neodymium-iron-boron magnet consists of the following components in parts by mass: 29 to 33 parts of neodymium praseodymium dysprosium (NdPrDy), 63 to 68.5 parts of iron (Fe), 0.5 to 3 parts of cobalt (Co), 0.05 to 0.2 part of gallium (Ga), 0.96 to 1.1 parts of boron (B), 0.1 to 0.6 part of niobium (Nb), 0.1 to 0.5 part of aluminum (Al) and 0.1 to 0.4 part of copper (Cu); and the low-weightlessness N50-type Nd-Fe-B magnet is produced through the steps of material mixing, casting in a Nd-Fe-B vacuum sensing cast piece furnace, hydrogen breaking in a hydrogen breaking furnace, pulverizing and screening through airflow, pressing and forming of a green blank and sintering. By adopting the way for compositely adding two trace metal of Co and Ga, the micro structure of the Nd-Fe-B alloy can be improved; and through the novel casting hydrogenation breaking process, the mass production of the low-weightlessness N50-type Nd-Fe-B magnet is realized, and the requirements of users on the high-performance low-weightlessness Nd-Fe-B magnet can be met.

A portable recumbent therapeutic system that can be used for relaxing, exercising and stimulating a user's legs, sacrum, back, arms and other parts of the body, and to do so all at the same time while minimizing the negative effect of a person's own body weight. The therapeutic system utilizes three complementary and interdependent support members while the user is in a horizontal reclined position. Because the three members are complementary and interdependent on each other the user often feels a sensation of weightlessness similar to exercising in water. The user's arms, for example, are able to swing freely as desired which simultaneously changes or affects the movement and utilization of the other two members and vice versa. When listening to music the system can provide the user with perhaps a feeling of dancing on air. The therapeutic system moves in response to the user and requires no power source.

The invention relates to a preparation method of a gel polymer dielectric film by conveying an interpenetrating network structure P (LiAMPS) single ion, which belongs to a preparation method of polymer electrolyte films. The present invention solves the problems of low transport numbers and dimension stability of the present gel polymer electrolyte ions. The invention employs 2-acrylamide-2-methyl propanesulfonic acid lithium (LiAMPS) and vinyltriethoxysilane free radical polymerization to obtain a linear polymer P (LiAMPS-co-VTES), P (LiAMPS-co-VTES) containing an ethoxy functional group enables hydrolysis and polycondensation to form a net structure, simultaneously a cross-linking agent monomer polyethylene glycol dimethyl methacrylate is performed a free radical polymerization to form another net structure. The invention is capable of raising the dimension stability of the polymer electrolyte. Through heat weightlessness analysis, the polymer electrolyte films have good heat stability, the initial weightless temperature of the films is more than 200 DEG C, so that the requirement of lithium ion battery can be satisfied.

The invention discloses a self-balancing link mechanism and simultaneously discloses a bed adopting the self-balancing link mechanism. The invention automatically adjust balance according to the weight of a user, and pressure generated by the weight of the user to the bed body forms evenly-distributed load by force transmission; the bed body can move up and down so as to eliminate the fatigue of insomniacs and cause a user to have the feeling of weightlessness and relaxing, so that the insomniacs can quickly sleep; because electromagnet is adopted to serve as power, noise problems are solved, and the using cost of the invention is greatly saved.

The invention discloses a lactating sow complete formula feed for improving the milk quality. The feed is composed of the following components in parts by weight: corns from the northeast area, wheat, soybean meal, fermented soybean meal, rice bran meal, imported Peru fish meal, bran, wheat sprout flour, a yeast culture, rock powder, calcium hydrophosphate, table salt, an amino acid compound packet, emulsified oil powder, a premix and a Chinese herbal medicine additive. The raw materials selected in the feed provided by the invention are reasonable in combination so that the nutrition is balanced; the added emulsified oil powder is reasonable in composition, the content of oil in milk is increased, and the constitute of the milk is optimized; the provided middle-short chain fatty acid is relatively easily digested and absorbed by lactating sows, so that the weaning weight and the survival rate of piglets are increased; in particular, the Chinese herbal medicine additive is added, the lactating food consumption is obviously increased, the milk secretion is prompted and the occurrence of mastitis is reduced, the weightlessness of the sows at the lactation period is reduced, so that the lactating sows can rut in time after the piglets weaning, the ovulation number is added after the piglets weaning, the birth number in the subsequent pregnancy is increased, and the pig farm economic benefit is improved.

The invention discloses a method for modifying a benzoxazine resin, which comprises the following steps: adding natural lignin into benzoxazine monomer, and curing after the crosslinking temperature of the benzoxazine is reduced to 50 DEG C. The thermal weightlessness temperature of the lignin-cured benzoxazine resin is increased, and the carbon residue rate is up to more than 40%. The lignin can be used as a catalyst, and can also be used as a filler for improving the properties of the benzoxazine resin, thereby increasing the reutilization ratio of the lignin and reducing the problem in the curing of the benzoxazine resin.