101results about How to "Avoid adverse consequences" patented technology

The present invention relates to a method for controlling heavy metal cadmium content in the rice, belonging to the field of paddy rice planting technology. It is characterized by that in the course of land preparation before rice field seedling transplantation the ferrochelate can be applied into the soil, and said ferrochelate and the soil are uniformly mixed; and in the spike formation stage and filling stage of rice the ferrochelate also can be respectively applied in the rice field. Said method can make cadmium content in the rice be less than 0.2mg/kg.

A process for preparing acetylene by using hot plasma to crack the gas containing methane includes such steps as using plasma generator to ionize the argon or N2 or H2 to form a plasma jet, spraying raw gas via a gas inlet ring in reactor, mixing the plasma jet with the raw gas in the reactor, cracking reacting, and quickly cooling the cracked gas in an expansion cavity of cooler to obtain acetylene, carbon black and H2.

The invention provides an electronic mechanical braking device. The device comprises two friction plates (1, 3) arranged on two sides of a braking disc (2) respectively, and a braking execution mechanism which makes the two friction plates clamp the braking disc, wherein the braking execution mechanism comprises a ball screw mechanism and a power mechanism; the ball screw mechanism comprises a screw (4) and a nut (6) arranged on the screw; the screw (4) is connected with the output end of the power mechanism, and is driven to rotate by the power mechanism; and when the nut (6) on the screw makes linear motion on the screw (4), the nut (6) is contacted with the friction plate (3) arranged on one side of the braking disc. The electronic mechanical braking device has a simple and compact structure, small space occupying size and self-locking function, and can adaptively adjust the braking pressing force of the braking disc.

The invention relates to the field of wind power generation, and particularly discloses a wind power generation device. The device comprises a generator and a square tank, the lower portion of the generator is located in the square tank, a vertical shock absorber is arranged between the bottom plate of the square tank and the bottom surface of the shell of the generator, and transverse shock absorbers are arranged between the four side plates of the square tank and the side surfaces of the shell of the generator; the vertical shock absorber comprises a first shock absorbing mechanism and second shock absorbing mechanisms, wherein the first shock absorbing mechanism comprises an outer sleeve cylinder, a base assembly and a fixing assembly; the second shock absorbing mechanisms comprise twoelastic shock absorbing plates symmetrically fixed to the shell of the generator and pouring bags arranged between the elastic shock absorbing plates and the bottom plate of the square tank, and the transverse shock absorbers comprise outer cylinders fixed to the side plates of the square tank and inner cylinders slidably arranged in the outer cylinders in a sleeved mode. By means of the wind power generation device, shock absorbing and noise reduction can be effectively conducted on the generator, occurrence of resonance between the generator and external environment is prevented, smooth andstable operation of the generation device is ensured, the noise produced by the generator during work is reduced, and the noise pollution is reduced.

The invention discloses an attribute-based encryption method and an attribute-based encryption system capable of protecting privacy and supporting user Undo. The attribute-based encryption system comprises eight modules including a Setup module, a KeyGen module, an Encrypt module, a Decrypt module, a ReKey module, a TKGen module, a TK-Encrypt module and a TK-Decrypt module. Moreover, the method provided by the invention can solve the problem of privacy protection in cloud computation, and support user Undo and safe outsourcing operations to a ciphertext. Meanwhile, a function of authentication to transformed ciphertext is provided, illegal substitution of the transformed ciphertext and adverse consequences caused by illegal substitution are prevented, and system flexibility is high.

The invention discloses a safety operation control system of a wind driven generator. The safety operation control system comprises a main control system, a sliding ring and a variable pitch system, wherein a main control safety chain is connected with the main control system and is used for monitoring external electric components and running states which can threaten the normal running of the wine driven generator and sending a state signal to the main control system when the abnormality of any one of the electric components and the running states is monitored; the main control system is used for controlling the variable pitch system to perform emergent feathering and safe shutdown; the variable pitch system is provided with a safety chain; a state output end of the variable pitch safety chain is connected with a signal input end of the variable pitch system; the variable pitch safety chain is used for monitoring running states, which can threaten the normal running of the wind driven generator, in the variable pitch system; the variable pitch system actively controls blades to perform emergent feathering when the abnormality of any one of the running states is monitored, and feeding back state information of the variable pitch safety chain to the main control system through the sliding ring; and the main control system controls other subsystems to emergently stop. The safety operation control system is high in safety and reliability.

The invention relates to a fast thickening vinyl ester resin as well as a preparation method and application thereof. The fast thickening vinyl ester resin comprises the following ingredients according to the parts by weight: 1000 parts of bisphenol A epoxy resin, 100-180 parts of unsaturation monocarboxylicacid, 20-35 parts of maleic anhydride, 1-3 parts of catalyst, 0.05-0.2 part of polymerization inhibitor and 800-2500 parts of crosslinking monomer; a thickening accelerator is generated by the reaction of the high-molecular-weight mixture of polyethylene glycol and/or polypropylene glycol and trimellitic anhydride, wherein the molar ratio of the polyethylene glycol/polypropylene glycol and the trimellitic anhydride is 1:1.3-1.5; and the weight ratio of the thickening accelerator and an epoxy vinyl ester resin matrix is 0.03-0.2:1. The preparation method comprises synthesizing the resin matrix and the thickening accelerator and mixing the resin matrix and the thickening accelerator. The invention has the advantages that a plurality of free carboxyls and the thickening accelerator with a plurality of long-chain branches are added, so that the thickening reaction can be more effectively carried out on the free carboxyls and MgO in the raw material of sheet molding compound, therefore, the thickening speed of resin system can be increased.

The invention discloses a traditional Chinese medicine composition for controlling piglet diarrhea, and a preparation method and application thereof. The traditional Chinese medicine composition for controlling piglet diarrhea is composed, in percent by mass, 15-30% of radix astragali, 15-30% of rhizoma atractylodis, 15-30% of herba leonuri, 7.5-15% of haw, 7.5-15% of dandelion, 6-10% of Chinese angelica, 4-6% of poria cocos, 4-6% of purslane, 4-6% of dried orange peel and 2-3% of licorice. By feeding piglets with the traditional Chinese medicine composition, piglet diarrhea is controlled, the growth performance of piglets is improved, the immune function of lactation piglets and metabolism of sows are improved, and the traditional Chinese medicine composition has important application value for establishing nuisance-free culture. The provided traditional Chinese medicine composition also has the characteristics of being easy to prepare, convenient in application meaner, good in effect and the like.

The invention relates to a pH/reduction dual sensitive hydrophilic copolymer drug carrier as well as a synthesis method and application thereof. S,S'-bis(alpha, alpha'-dimethyl-alpha''-acetic acid) trithiocarbonate is taken as a chain transfer agent, RAFT (reversible additive fragment transfer) polymerization is carried out on N-t-butyloxycarboryl propylene hydrazine, N-(3-dimethylamine propyl) methacrylamide and N-hydroxymethyl acrylamide in two steps, reaction is carried out on hydroxyl on N-hydroxymethyl acrylamide and methoxyl polyethylene glycol at an isocyanic acid esterification end, polyethylene glycol is connected by virtue of a disulfide bond, and the target product, namely pH/reduction dual sensitive hydrophilic copolymer drug carrier, is obtained after a protecting group is removed. The pH/reduction dual sensitive hydrophilic copolymer drug carrier can load adriamycin and a gene drug at the same time; meanwhile, a hydrophilic polyethylene glycol shell can protect gene substance, long circulation is realized, a disulfide bond connected with polyethylene glycol is beneficial to escape of endosome of drug-carrier, the copolymer after being loaded with a drug can be self assembled into nanomicelle in water, bioavailability of the drug can be improved, and toxic and side effects can be reduced. The copolymer synthesis method provided by the invention has the advantages that molecular weight of each segment and quantity of polyethylene glycol segments can be flexibly adjusted and reaction conditions are mild.

The invention discloses a stay cable dehumidification system and a stay cable dehumidification method. The stay cable dehumidification system comprises a dehumidification module as well as a stay cable ventilation module which is used to convey new air processed by the dehumidification module to a stay cable. The dehumidification module comprises a filter device, a dehumidification device, a dry air balance device and a gas conveying device, wherein the filter device is used to filter the input new air; the dehumidification device is used to dehumidify the new air filtered by the filter device; the dry wind balance device is used for gas pressure balance of the new air dehumidified by the dehumidification device; and the gas conveying device is used to make the new air be conveyed to the filter device, the dehumidification device and the dry wind balance device in succession. According to the stay cable dehumidification system and the stay cable dehumidification method provided by the invention, dry wind is conveyed to the stay cable by the dehumidification system, so that dehumidification and corrosion prevention can be achieved; the system can be detected in time; corrosion problems of upper and lower anchor heads and the stay cable are solved; replacement frequency of the stay cable is greatly reduced; and bridge safety is enhanced effectively.

The invention relates to an RFID (Radio Frequency Identification)-based warehouse safety monitoring system, and relates to the field of warehouse safety. The aim of the system is to protect the safety of a warehouse more comprehensively. In the system, the authentication signal output end of an RFID card reader is connected with the authentication signal input end of a central controller, the image signal output end of an infrared camera is connected with the image signal input end of the central controller, the identification signal output end of a laser emitter is connected with the identification signal input end of the central controller, the alarm signal output end of the central controller is connected with the alarm signal input end of an alarm, and the monitoring signal output end of the central controller is connected with the monitoring signal input end of a monitoring terminal. The system protects the safety of the warehouse by multiple means, and realizes high-quality safety protection on the warehouse by identifying user identities, monitoring the internal environment of the warehouse and scanning people entering the warehouse.

The invention discloses a spray for treating radioactive xerostomia and a preparation method thereof. The spray is prepared by adding a plurality of plant extracts based on the conventional artificial saliva and has a cool sweet taste and a plurality of effects, such as diminish inflammation, antibiosis, tooth cleaning, whistle wetting and the like. Compared with the conventional artificial saliva, the spray of the invention has the advantages that: because menthol, momordica glycosides V and stevioside A are added in the formula of the spray, the product has the cool sweet taste and patients enjoy in mouthfeel, and by fully meeting the requirements of the patients with diabetes, obesity and the like, disadvantageous consequences probably caused by a sweetener contained in the product are avoided; because a Chinese globeflower extract, a liquorice root water extract, a wild chrysanthemum water extract and a perilla water extract are added in the spray, the product has the cool sweet taste and also the plurality of effects, such as diminish inflammation, antibiosis, tooth cleaning, whistle wetting and the like, and contributes to the maintenance of oral hygiene and the prevention of oral infection; and because the using times is a few, the spray contributes to the effective remission of thirst.

The invention relates to an implant for augmenting or reconstructing breasts, buttocks, thighs and calves, having independent expandable and interactive compartments that can be filled during manufacture or during or after surgery, with an external silicone membrane (1) internally and/or externally coated with a Ricinus communis polyurethane foam (14) covered with hydroxylapatite microcrystals (13) or nanocrystals (13) incorporated into the same membrane, with an inner space divided into compartments (3) that are or can be filled with three-dimensional geometric structures (2) immersed in cohesive silicone (3) or another gel, liquid, air or gas, with a chamber for the projection of the body (4) or of the lower pole of the breast, having a conical structure within the main chamber in order to project the latter. The inner and outer chambers are independently filled and have different volumes, and since they are interactive, they allow any necessary adjustments of the implant through filling valves (8), in order to project the region (6) of the areola and nipple, the body or other region of the breast, correcting ptosis, assymetry, congenital thoracic hypertrophy in the mammal or other region. Flaps (10) or strings (11) for immediate attachment ensure safe and early mobility, faster return to normal activity, and a secure final placement of the implant; they avoid displacement of the implant and can be previously removed by the surgeon.

Embodiments of the invention provide a method and a device for restricting access to a network interface as well as electronic equipment. The method comprises the following steps of obtaining page view for a client to access the network interface within the preset time and judging whether the page view is greater than preset page view; and when the page view is greater than the preset page view, obtaining an internet protocol address of the client and restricting the access of the internet protocol address to the network interface. Through application of the embodiments of the invention, the safety access to a server is guaranteed, the potential safety hazard of the server is reduced and the adverse consequences caused by attack of the network interface are prevented.

This disclosure describes various modules that can provide ultra-precise and stable packaging for an optoelectronic device such as a light emitter or light detector. The modules include vertical alignment features that can be machined, as needed, during fabrication of the modules, to establish a precise distance between the optoelectronic device and an optical element or optical assembly disposed over the optoelectronic device.

The invention discloses a wireless mouse with a gamepad function. The wireless mouse comprises a shell, mouse buttons which are arranged on the shell, and a gamepad which is arranged on the bottom surface of the shell, wherein a direction button, a mouse/gamepad mode changing switch and a plurality of custom keys are arranged on the gamepad. A gamepad protection cover is arranged on the bottom surface of the shell; the gamepad protection cover is fixed on the bottom surface of the shell in a mouse mode; and the keys on the gamepad are all contained in the gamepad protection cover. When the gamepad protection cover is fixed on the bottom surface of the shell, a completely-closed protection space is provided for the gamepad, so that a condition that a part accidentally enters the bottom of a mouse along with the moving mouse cannot be caused, accordingly, a phenomenon that bad consequences are generated by accidental contact of the keys on the gamepad and other elements which are arranged on the bottom of the shell is avoided, and a condition that a using effect of the mouse is influenced when the light of a light-emitting diode (LED) on the bottom of the mouse is shielded by the accidentally entered part is prevented.

The invention relates to a reducible relief opening. A single or multi-stage centrifugal pump has a driven impeller (1) or impellers disposed in the pump housing and a shaft seal. The impeller has one or more adjustable relief openings (4) in at least one cover disc (3). One or more sleeve-like inserts (12, 13) are disposed in one or more relief openings (4).

The invention discloses a hot air circulation oven with double drying chambers, which comprises a box body, the box body is provided with two drying chambers, a downflow duct is arranged between the two drying chambers, and a heater is arranged in the downflow duct. A blower is provided on the top of the lower air passage; an upper air passage is provided on both sides of each drying chamber, and an induced draft fan is provided on the top of the upper air passage; a temperature sensor is also provided inside the box, and the temperature sensor is connected to a solenoid valve and an alarm; There are air supply motors on both sides of the box, and the blower and the induced draft fan are connected to the air supply motor through a transmission shaft; a thermostat is provided on the box, and the thermostat is connected to a PLC controller on one side of the box, and the PLC The controller is also connected to control various electrical components including the heater, the blower, the induced draft fan and the blower motor. The double drying room design is also equipped with a matching double circulation system, so as to overcome the problem of uneven drying effect caused by the large oven body; when the temperature control fails, the staff can be reminded.

The invention provides a motor loading device which is used in the performance test of a motor controller, wherein the motor loading device comprises at least three motors, output shafts of the at least motors are in series connection mechanically; in addition, any one of at least three motors is taken as a first motor which is connected with the motor controller the performance of which is tested and the first motor is taken as a control target of the motor controller the performance of which is tested. At least one of other motors of at least three motors is taken as a loading motor and the loading motor provides load for the first motor.

The invention relates to a POE-based warehouse wireless intelligent security and protection system, relates to the field of warehouse security and protection and aims to realize low-cost and high-safety security and protection monitoring. The POE-based warehouse wireless intelligent security and protection system comprises a POE monitoring front end, a central controller, a monitoring terminal and a display terminal, wherein the monitoring signal output end of the POE monitoring front end is connected with the monitoring signal input end of the central controller; the central controller is connected with the monitoring terminal through wireless transmission; and the monitoring signal output end of the monitoring terminal is connected with the monitoring signal input end of the display terminal. The POE-based warehouse wireless intelligent security and protection system adopts the POE monitoring front end technology, and guarantees normal operation of the existing network while ensuring the existing structured wire safety; meanwhile, the cost is minimized in the process of realizing high-quality security and protection monitoring.