30results about How to "Affect elasticity" patented technology

The invention discloses wheat protein disulfide isomerase produced by utilizing an escherichia coli prokaryotic expression system, as well as a method and application of the wheat protein disulfide isomerase. According to the technical scheme, the method comprises the following steps: extracting wheat total RNA (ribonucleic acid) from wheat spires, and obtaining wPDI (wheat protein disulfide isomerase) gene through RT-PCR (reverse transcription-polymerase chain reaction); connecting a target gene to a carrier PET-30b (polyethylene glycol terephthalate-30b) to construct a recombinant plasmid; transferring the recombinant plasmid into a competent cell of escherichia coli BL21, performing inducible expression in an LB culture medium to culture the recombinant escherichia coli, and centrifugally collecting a bacterial cell; crushing the bacterial cell by using an ultrasonic method, centrifuging and collecting supernate; preparing wPDI through once Ni-sepharose affinity chromatography. The wPDI massive expression and simple purification process can be realized through the escherichia coli expression system; the prepared wPDI plays an excellent effect in improving the wheat processing quality in a flour processing quality experiment, and can be used in flour processing.

The invention provides a pneumatic multipurpose land-based catapult launch training device of a shipboard aircraft on an aircraft carrier. The device comprises an engine base, hydraulic lifting devices, a cantilever runway, a shipboard aircraft and a catapult, wherein the engine base is arranged in a trough; one end of the cantilever runway is connected with the engine base by a hinge axis; the catapult is arranged in the cantilever runway; landing gears of the shipboard aircraft are connected with the upper surface of a sliding plate; the bottom of the sliding plate is connected with the catapult; and the upper ends of the hydraulic lifting devices are hinged with the bottom of the cantilever runway and the lower ends of the hydraulic lifting devices are connected with the bottom of the trough. The device has the following advantages that 1) the device has a simple structure, high degree of automation and long service life, is convenient to operate and easy to maintain and is safe and reliable; and 2) the land-based take-off runways are unnecessary to be built; the device has strong adaptability; and without occupying the main take-off runways of the existing airports, the device can be installed and used on any airport and has good adaptability and a strong war preparedness function.

The invention relates to the technical field of foods, in particular to meat balls with soft and crisp mouth feel and a preparation method of the meat balls. The meat balls are made from the following raw materials in parts by weight: 40-60 parts of lean meat, 10-20 parts of fat meat, 15-22 parts of ice water, 1-2 parts of soy protein isolate, 2-5 parts of cassava hydroxypropyl starch, 1-6 parts of potato whole powder, 1-5 parts of onions and 5-10 parts of carrots. The preparation method comprises the following steps of mixing all the raw materials so as to obtain paste, then placing the obtained paste under the condition of 0-5 DEG C for 8-24 hours for performing fermentation, and then performing shaping so as to obtain meat ball blanks; and finally cooking the meat ball blanks so as to obtain the meat balls. According to the meat balls with soft and crisp mouth feel provided by the invention, the nutrient value of the meat balls is increased, and besides, the mouth feel and the palatability of the meat balls are also improved, so that the meat balls are fresh, tender, soft and crisp, and are good in biting feeling. The preparation method disclosed by the invention is simple, convenient, easy to operate, and suitable for industrial production, and high in production efficiency.

The invention provides a seal structure and a ventilation valve and relates to the technical field of sealing with an aim to solve the problem about short service life due to a sealing strip of the ventilation valve is greatly affected by the external environment. The seal structure comprises an elastic sleeve which is made from metal materials, the elastic sleeve includes a connecting end and anelastic end with elasticity, the connecting end is connected with the elastic end to be used for being connected with valve blocks, and a cavity is formed in the elastic end. The seal structure is used for sealing between the valve blocks of the ventilation valve, sealing effect is good, and less affected by the external environment, the seal structure is long in service life.

The invention relates to a switch, and in particular to a pull switch. The pull switch which is closed and is used for starting an energization switch by a pull rope and preventing a line of electrical appliance equipment from falling on ground is provided. In order to solve the technical problem, the pull switch provided by the invention comprises an installation plate, wherein a first connectionrod is arranged at a right side of the installation plate, a connection mechanism is connected with a right side of the installation plate, the first connection rod is arranged at an upper side of the connection mechanism, and a rotation mechanism is connected to the bottom of the first connection rod. With the arrangement of a roller and a copper sheet, electrical appliance can be controlled tobe energized and disconnected only through pulling a first pull rope by a user; with the arrangement of a second baffle plate, a third baffle plate and a top plate, a person is prevented from directlytouching a conductive rod and a conductive contact wheel to cause a safety accident; and with the arrangement of a luminous plate, the user is convenient to find out the device at night or in a placewith dark light so as to make the electrical appliance energized.

Tailoring and storing equipment for elastic linen-like polyester-viscose fabric with high verticality belongs to the technical field of tailoring equipment. A fixing groove is formed in the upper wallsurface of a tailoring machine, a stretching device used for clamping cloth is fixedly installed in the fixing groove, a pressing roller used for ironing the cloth is installed at the rear end in thefixing groove, a waste groove used for collecting cloth leftovers is formed in the upper wall face of the tailoring machine, a winding roller capable of winding the cloth is arranged in the waste groove, connecting columns are fixedly installed at two ends of the winding roller, rotating pieces are arranged on the connecting columns, and a device groove is formed in the left wall face of the tailoring machine. According to the equipment, the cloth is put into the stretching device, when the cloth is tailoring, a worker enables a clamping plate to extrude downwards to clamp the cloth by tightening the bolts, movable blocks slide on a cloth plate such that the distance between the two movable blocks is gradually increased, and then the tailored cloth is pulled to two sides, so that the effect of avoiding secondary finishing caused by cloth misplacement and irregular wrinkle tailoring due to elasticity of the cloth during cloth tailoring is achieved.

The invention relates to the field of radomes, in particular to a low-density glass fiber reinforced plastic radome and production process thereof. The radome comprises a first protective cover and asecond protective cover which enclose a hollow water tower shape, and an antenna holding pole arranged in a hollow water tower-shaped cavity formed by the first protective cover and the second protective cover; the first protective cover is provided with a first clamping piece, and the second protective cover is provided with a second clamping piece corresponding to the first clamping piece of thefirst protective cover. The first clamping piece and the second clamping piece are connected so that the first protective cover and the second protective cover can be detachably connected to define ahollow water tower-shaped structure, and an openable and closable window convenient to overhaul is formed in the surface of the second protective cover; the high-wave-transmission fiber cloth layer comprises composite core-spun gauze formed by weaving carbon fiber core yarns and glass fiber weaving yarns and curing resin cured outside the composite core-spun gauze. The glass fiber reinforced plastic has the advantages of the low density, the light weight, the small dielectric constant, the good wave permeability, the high mechanical strength and the long service life.

The invention relates to mattress spring intermittent reinforcing and frame connecting equipment which comprises a rack, a carrying mechanism, an operating mechanism, a flanging mechanism and a material supplementing mechanism. The working assembly comprises a feeding unit used for intermittently feeding an elastic piece a into an elastic piece b at the edge of a bed frame and a connecting unit used for intermittently connecting the elastic piece a pushed into the edge of the bed frame with the elastic piece b, and the flanging mechanism comprises a clamping assembly used for clamping cotton and an edge pulling assembly arranged in the clamping assembly. The material supplementing mechanisms are symmetrically arranged on the side face of the machine frame and used for feeding materials to the feeding unit. The device solves the problems that in the prior art, cotton is prone to wrinkling, so that plugging of a new spring and work of a code clamping gun are affected, plugging of the new spring cannot be linked with the code clamping gun, the operation requirement is high, and the nailing efficiency is low.

The invention discloses a reaction device and a process for production of acetylacetonate with a solid phase method. The device comprises a motor and a spindle which are mechanically connected, wherein the spindle penetrates through the side wall of a reaction container, the spindle and the reaction container are sealed through a sealing box, the spindle is connected with a stirring paddle, a kettle inside temperature measuring port and a feeding port are formed in the top of the reaction container, a discharging port is formed in the bottom of the reaction container, a jacket is arranged on the outer wall of the reaction container, an acetylacetone feeding tank is arranged above the reaction container, a condensation return device is arranged above the reaction container, a nitrogen filling device a is arranged above the acetylacetone feeding tank, and a micropore spraying device is arranged at the lower part of the acetylacetone feeding tank. The problems that acetylacetone is easilyleaked, local excessive reactions are easily caused during production of acetylacetonate as well as color changing of a product, slow reaction, environmental pollution and material blocking are caused due to temperature rise by use of devices in the prior art are solved.

The invention discloses a bullet screen link quality statistics method, a storage medium, electronic equipment and a system, and relates to the technical field of information processing. The method comprises the following steps: S1, obtaining a domain name corresponding to a bullet screen server issued by a gateway server, and resolving the domain name to obtain a list of IP addresses; S2, linkingthe IP address one by one by a client until the bullet screen server corresponding to the domain name is successfully linked, and recording response time when the link is successfully linked; and, S3, collecting link quality information of the bullet screen server, wherein the link quality information comprises the time taken to successfully send a bullet screen and the rate of bullet screen package losing, and the time taken to successfully send the bullet screen is the time taken from sending the bullet screen by the client to receiving, by the client, the bullet screen sent by the client from the successfully linked IP address. According to the bullet screen link quality statistics method, the storage medium, the electronic equipment and the system, good statistics and analysis of thebullet screen link quality can be performed.

The invention provides a Kelver super wear-resistant cable and a preparation method thereof. The cable comprises a Kelver core body and a sheath wrapping the periphery of the Kelver core body. A plurality of bundles of aramid fibers and conductive wires are stranded, so that a Kelver composite material can be obtained; the obtained Kelver composite material and resin are bonded together through solidification, so that the Kelver core body can be formed. The sheath includes a mica layer wrapping the outer periphery of the Kelver core body and a polyurethane rubber layer wrapping the outer periphery of the mica layer. The raw materials for preparing the resin include the following components in parts by mass: 40 to 50 parts of cyanate resin; 20 to 30 parts of polymethyl silicone resin; 10 to15 parts of poly (ethyl phenyl) organic silicone resin; 5 to 8 parts of trimethoxysilyl propyl diethylenetriamine; 0.05 to 4 parts dibutyltin dilaurate; 4 to 10 parts of trimethylolpropane glycidyl ether; and 5 to 8 parts of liquid nitrile rubber. According to the Kelver super wear-resistant cable of the invention, when the sheath is worn after being used for a long time, and the Kelver super wear-resistant cable can be still used.

The invention belongs to the technical field of electronic materials, and particularly relates to a slotted honeycomb wave-absorbing structure. N identical irregular gaps are formed in a periodic honeycomb structure, a space for embedding electronic modules such as antennas and radars in the honeycomb structure is provided, the design method based on honeycomb wave-absorbing structure embedding is achieved, namely, the honeycomb core is subjected to local hollowing treatment, a highly integrated electronic module is embedded into the core and is subjected to protection design, so that the spacecraft design has qualitative leap in the aspects of light weight and multiple functions. The key problem of the pre-embedded design is to evaluate the electromagnetic / mechanical strength of the slotted honeycomb structure, so that under a reasonable slotting method, the weight of the honeycomb structure is reduced, and the honeycomb structure has good electromagnetic / mechanical properties.

The invention relates to a household bedding article, in particular to a health-care mattress capable of preventing sleeplessness. The health-care mattress comprises an upper mattress body, a lower mattress body and a spring pad between the upper mattress body and the lower mattress body, the spring pad is composed of a plurality of springs which are close distributed, the inside of each spring is provided with a health-care bag, and health-care particles are arranged in the health-care bags. The health-care particles are composed of medical stone, pottery stone, clay, magnetite, graphite, activated carbon, tuber fleeceflower stems and peach tree saw dust, the preceding materials are smashed, screened and then mixed into balls, and the health-care particles are obtained after the balls are sintered. The health-care mattress has the functions of relieving convulsion, soothing the nerves, improving hearing and vision and purifying air.

The invention relates to a sealing gasket bar for an automobile lamp and a preparation method. The sealing gasket bar comprises an annular steel ring (10) with the outer surface being provided with aplurality of evenly-distributed hemispherical concave points, thermoplastic polyurethane elastic particles (20) fixed to the corresponding concave points, and a teflon shell (30) wrapping the particles (20). The sealing gasket bar has ultrahigh airtightness, elasticity and external toughness.

The invention discloses a preparation method of a corrosion-resisting underground communication tubing, the corrosion-resisting underground communication tubing comprises the following raw materials by weight part: 50-52 parts of amber resin, 7-9 parts of vinyl acetate, 1.5-3 parts of modified chabazite, 4.5-6 parts of calcium zinc stabilizing agent, 2.5-3.5 parts of calcium antimonite, 1.8-2.2 parts of polyethylene wax, 3.5-4. 5 parts of antiseptic, 8.5-10.5 parts of nano level silica and 1.3-2.5 parts of lead-containing zinc oxide. According to the invention, toughness is increased, tubing destroy sensitivity is reduced, corrosion resistant performance is good, long-term intensity influence is little, service life of the communication tubing is prolonged, comprehensive performance of the product is greatly increased, and the preparation method has wide market prospect.

The invention discloses baking-resistant fruity jam which is prepared from, by weight, 25-30 parts of starch, 30-40 parts of sucrose, 3-5 parts of salad oil, 10-15 parts of semen boitae, 8-10 parts of semen phaseoli, 4-6 parts of rhizoma belamcandae, 1-3 parts of dianthus superbus, 6-8 parts of trollius chinensis, 5-7 parts of rose, 2-4 parts of herba violae and 0.04-0.06 part of edible essence. The baking-resistant fruity jam is unique in taste, transparent in texture, elastic, rich in nutrition, free of thickener and emulsifier and safer to eat; in the process of baking, elasticity and smoothness are unaffected, and the baking-resistant fruity jam has certain high-temperature resistance.

The invention provides cleaning equipment for an anti-mite and washable silk quilt, and belongs to the technical field of silk quilts. The equipment comprises a cleaning device and a drying device; the cleaning device comprises a cleaning cylinder mechanism, a cleaning roller mechanism and a cabin door mechanism; a water injection valve, a cleaning agent adding valve and a softener adding valve of the cleaning cylinder mechanism are all installed at the upper end of a cleaning cylinder; a first winding roller, a second winding roller and a tensioning transition roller of the cleaning roller mechanism are all rotatably arranged in the cleaning cylinder; a first clamping device is installed on the first winding roller; a second clamping device is installed on the second winding roller; the two ends of a drying air inlet circulating pipe of the drying device are connected with an air flue air outlet valve and a drying air inlet valve; and the two ends of a drying air outlet circulating pipe are connected with a drying air outlet circulating pipe and an air flue air return valve. The anti-mite and washable silk quilt can be cleaned and dried, and silk is always kept in a tensioned state in the cleaning and drying process, so that the silk is prevented from being caked and damaged.

The invention provides a making method of delicacies rice noodles. The method comprises the following steps: soaking rice for 8-12h, fishing out the rice, placing the rice in a water filtration container at the bottom for airing until water does not drop, smashing the rice, adding the rice into wild mushroom powder, uniformly stirring the mixture and feeding the mixture into a rice noodles machine for making the delicacies rice noodles, wherein the ratio of the rice and the wild mushroom powder is that 0.15-0.25kg of wild mushroom powder is added into every 25kg rice before soaking; the wild mushroom powder is obtained by smashing dried wild mushrooms into powder. The delicacies rice noodles provided by the invention are abundant in nutrition, contain nutrition of various peculiar wild mushrooms in Yunnan and have rich mushroom fragrance. Through adding different wild mushroom powder into the rice noodles, the rice noodles have different tastes and fragrances; the rice noodles maintain the elastic, soft and smooth tastes of the traditional rice noodles and have unique fragrances of various wild mushrooms.

The invention discloses a wheat flour rheological property improving process, which comprises screening, mixed enzyme preparation, auxiliary agent preparation, heat treatment and mixing.The wheat flour rheological property improving process has the beneficial effects that a first screening layer and a second screening layer are arranged in a screening box, the first screening layer can rapidly screen out large hardened blocks in wheat flour, and the second screening layer can rapidly screen out the large hardened blocks in the wheat flour; the second screening layer can screen out large particles in the wheat flour and conduct layered screening on the wheat flour, then the screening strength of the wheat flour is improved, the wheat flour screened by the screening device is finer and smoother, meanwhile, through layered screening, it is avoided that large hardened blocks are gathered to block meshes, then the screening speed is affected, and the screening efficiency is improved. And therefore, the use efficiency of the screening device is further improved.

The invention discloses ready-to-eat lentinula edodes pegle and a preparation method thereof, and belongs to the technical field of deep-processing of edible funguses. The preparation method comprises the following steps of performing low-temperature salting in vacuum rotation equipment, performing vacuum cooking, performing vacuum microwave drying, performing vacuum tempering and drying, performing sterilization through pulsed light, performing secondary synergistic sterilization, and performing cooling and warehousing so that the ready-to-eat lentinula edodes pegle can be obtained. According to the lentinula edodes pegle prepared by the preparation method disclosed by the invention, no preservatives are added, so that the nutritive value of the lentinula edodes pegle cannot be damaged, and original mouth feel of the lentinula edodes pegle is reserved; the lentinula edodes pegle which is processed and treated by a special physical method is full in lentinula edodes pegle bodies, tender in mouth feel, fluffy and elastic, free from rigid granules, uniform in color and lustre, moderate in shade, free from being soft and mashed, and rich in nutritive value; and when being eaten through slitting a bag after being stored for 12 months, the lentinula edodes pegle still has the advantages.

The invention discloses a storage method of arachis hypogaea.L. The storage method comprises the following steps of drying arachis hypogaea.L, and performing irradiation sterilization within 48h, wherein the irradiation source for the irradiation sterilization is 60Co-gamma rays, and the irradiation dose is controlled to be 0.5-5kGy. The storage method of the arachis hypogaea.L, cannot destroy original components and nutrients of the arachis hypogaea.L, can efficiently kill microorganisms in the arachis hypogaea.L, and can effectively prolong the storage time of the arachis hypogaea.L.

The invention discloses wheat protein disulfide isomerase produced by utilizing an escherichia coli prokaryotic expression system, as well as a method and application of the wheat protein disulfide isomerase. According to the technical scheme, the method comprises the following steps: extracting wheat total RNA (ribonucleic acid) from wheat spires, and obtaining wPDI (wheat protein disulfide isomerase) gene through RT-PCR (reverse transcription-polymerase chain reaction); connecting a target gene to a carrier PET-30b (polyethylene glycol terephthalate-30b) to construct a recombinant plasmid; transferring the recombinant plasmid into a competent cell of escherichia coli BL21, performing inducible expression in an LB culture medium to culture the recombinant escherichia coli, and centrifugally collecting a bacterial cell; crushing the bacterial cell by using an ultrasonic method, centrifuging and collecting supernate; preparing wPDI through once Ni-sepharose affinity chromatography. The wPDI massive expression and simple purification process can be realized through the escherichia coli expression system; the prepared wPDI plays an excellent effect in improving the wheat processing quality in a flour processing quality experiment, and can be used in flour processing.

The invention discloses a shock absorber with a displaced and inversed straight structure. The shock absorber comprises a sleeve, a box body and an oil pipe, wherein the oil pipe is connected to the top end of the sleeve in a sliding and embedding manner; a threaded sleeve is welded to the inner surface wall of the oil pipe; a bolt rod is connected to the inner cavity of the oil pipe in a slidingand embedding manner; first valve plates are welded to the bottom end of the oil pipe; a second valve plate is welded to the bottom end of each first valve plate; a valve block is welded to the bottomend of each second valve plate; and a one-way block is welded to the bottom end of each first valve plate. According to the shock absorber disclosed by the invention, the one-way block is welded to the bottom end of each first valve plate; a first steel ball is arranged in an inner cavity of each one-way block; a moving plate is arranged in the inner cavity of the box body; a buffer spring is welded to the bottom end of the moving plate; the bottom end of the buffer spring is welded to the side surface wall of the inner cavity of the box body; a blocking block is welded to the side surface wall of the inner cavity of the box body; a nitrogen gas spring is arranged at the top end of the box body; a moving block is welded to the top end of the nitrogen gas spring; and absorbing oil is loaded in the sleeve and the inner cavity of the box body, so that through multiple shock absorption, the purpose that the buffer effect is better is achieved.

The invention discloses a towed secondary detonating fuel air explosive projectile and a precise fuze warhead matching method thereof. The towed secondary detonating fuel air explosive projectile comprises a rocket projectile and a secondary detonating device. The secondary detonating device is connected to the rocket projectile through a cable, and the rocket projectile is provided with a secondary detonating control module and an ejection control module. The secondary detonating control module transmits a signal to the secondary detonating device through a wire pre-buried in the cable; an ejection port is formed in a projectile body of the rocket projectile; the ejection control module is used for controlling the secondary detonating device to be thrown outside the projectile body through the ejection port; and after the secondary detonating device is thrown outside the projectile body, the secondary detonating device is connected to the rocket projectile through the cable. By usingthe towed secondary detonating fuel air explosive projectile and the precise fuze warhead matching method thereof, it is not needed to design a separated projectile body. After the secondary detonating device is separated from the projectile body, the rocket projectile still can be guided and controlled effectively, so that the hitting precision of the rocket projectile is not affected on the premise of guaranteeing normal secondary detonation of the fuel air explosive projectile.

The invention discloses a rubber product for a nuclear power main pump shaft seal O-shaped sealing ring. Raw materials of the rubber product comprise the following components in parts by weight: 100 parts of ethylene propylene diene monomer, 5 parts-10 parts of an activator, 1 part-2 parts of an anti-aging agent, 4 parts-7 parts of a wear-resistant agent, 30 parts-40 parts of high wear-resistant carbon black, 50 parts-60 parts of radiation-resistant anthracene oil carbon black, 5 parts-7 parts of a composite hardening agent, 10 parts-15 parts of a plasticizer, 3 parts-7 parts of a vulcanizingagent, 0.5 part-2 parts of an accelerant, 0.5 part-0.7 part of nano graphene and 500 parts-700 parts of absolute ethyl alcohol. In addition, the invention further provides a method for preparing the rubber product for the nuclear power main pump shaft seal O-shaped sealing ring. The rubber product for the nuclear power main pump shaft seal O-shaped sealing ring can achieve the high-temperature-resistant and high-pressure-resistant auxiliary sealing function for shaft seal, meet the nuclear power technical requirements and improve the nuclear safety of a nuclear power plant. The research blankof the rubber product for the nuclear power main pump shaft seal in China is filled.

The invention relates to a convenient table tennis table which comprises a table board, a net, a first fixing plate, a second fixing plate and four supporting legs and further comprises an auxiliary mechanism and a cleaning mechanism, the auxiliary mechanism comprises a switch, an air exhaust assembly and a plurality of auxiliary assemblies, and each auxiliary assembly comprises two auxiliary units. The cleaning mechanism comprises two baffles, two connecting strips, two lifting assemblies and two moving assemblies, according to the convenient table tennis table, through the auxiliary mechanism, table tennis balls close to a ball net can move in the direction away from the ball net, so that a user can conveniently pick up the table tennis balls, the convenience of picking up the table tennis balls is improved, and the user does not need to climb to the table plate to pick up the table tennis balls. Through the cleaning mechanism, the table tennis ball and the brush move relatively, so that the table tennis ball is cleaned twice through twice relative movement, the tidiness of the table tennis ball is guaranteed, the situation that the elasticity of the table tennis ball is affected due to the fact that the table tennis ball is contaminated with stains is prevented, and the use experience of a user is prevented from being affected.

The invention relates to a method for determining the amount of oat flour addition in compound flours and noodles, and it belongs to the field of food detection technology. Based on the similarity of the fatty acid composition between oat and wheat, the quantitative analysis index used for measuring the oat flour addition was determined. Based on the differences of fatty acid contents in oat and wheat, the relationship between the changing trend of fatty acid composition and oat flour content in compound powders or noodles is employed to quantitatively determine the amount of oat added to these compound flours or noodles. The invention provides a highly sensitive and feasible method for safety monitoring and quality control of oat flours and oat noodles.