71results about How to "Avoid serious harm" patented technology

The invention relates to a method for measuring zinc and nickel contents in a zinc-nickel alloy electroplating solution and belongs to the technical field of methods for analyzing the electroplating solution. The method is mainly and technically characterized by comprising the following steps of: reacting dimethylglyoxime and Ni4+ to form a red soluble complex in the presence of an oxidant ammonium persulfate, adding sodium tartrate to eliminate iron and other impurity interference, and measuring the content of nickel in the zinc-nickel alloy electroplating solution by employing a colorimetric method; adding tartaric acid to mask iron and other impurities, with CuY-PAN as an indicator, titrating in an acetic acid-sodium acetate buffer solution with the PH being 5.5 by using an ethylene diamine tetraacetic acid (EDTA) standard titration solution by utilizing a replacement titration principle, calculating the total contents of zinc and nickel in the zinc-nickel alloy electroplating solution, and subtracting the nickel content from the total contents of zinc and nickel to solve the zinc content in the zinc-nickel alloy electroplating solution. The measurement method has the characteristics of simpleness in detection, convenient, rapid and environment-friendly detection process, low cost, accurate and consistent detection result and the like.

This invention discloses one anti-mouse cable materials with improved pepper element, which comprises 0.3 to 2 percentage improved pepper element, wherein, the said improved pepper element uses organic subject as its cover; the cable materials can make mouse mucous membrane of mouth and gustatory nerves for strong stimulation tiring of nibble.

The invention discloses a method and a system for co-processing waste incineration fly ash and zinc-containing dust mud of a steel mill. The method comprises the following steps: 1, adding 1.5% of lime and pulverized coal into the fly ash and the dust mud according to the slagging alkalinity of 1.1-1.3, the total carbon content of 2-8% and the binder ratio of 2-5% for proportioning, wherein the fly ash accounts for 5-20% of the dust mud; 2, adding water into the mixture, extruding into blocks or pelletizing, and curing until the strength meets the requirement; 3, adding the agglomerates or pellets into a rotary kiln, and introducing high-temperature coal gas to pre-reduce the agglomerates or pellets in the kiln; 4, continuously adding the pre-reduced agglomerates or pellets into a smeltingreduction furnace, and meanwhile distributing main fuel such as nut coke within the range of the material surface radius of the smelting reduction furnace; blowing hot air with the oxygen concentration of 35% from a tuyere of a reduction furnace, and spraying pulverized coal through the tuyere; and carrying out further indirect reduction, softening melting and FeO-C final reduction on the pre-reduced pellets in a coke bed in the reduction furnace to generate molten iron and furnace slag. According to the main purpose, the fly ash is cooperatively treated and utilized by combining the advantages of a metallurgical furnace for treating zinc-containing dust according to the chemical components of the fly ash.

The invention relates to a biosafety intelligent conveying control method and system based on a radio frequency identification and location technology.. The biosafety intelligent conveying control method comprises the following control steps of: 1, storing a biological sample parameter in a storage module, acquiring biological sample information by a data acquiring module, comparing the acquired biological sample information with the biological sample parameter stored in the storage module by a main controller, sending a comparing result to a background monitoring center, and setting an electronic lock action by the background monitoring center according to the biological sample information or abnormal alarm information; and 2, controlling a location module to acquire geographic position information of a conveying device by the main controller, and sending the geographic position information to the background monitoring center by a remote communication module, and setting an electronic lock action by the background monitoring center according to the geographic position information. According to the invention, the geographic position information of the conveying device can be well determined, and the managing personnel conveniently monitor a biological conveying device system in real time.

The invention discloses a malicious PDF document detection method based on a TF-IDF algorithm and an SVDD algorithm. The method includes the following steps: 1) collecting malicious PDF documents andnormal PDF documents as sample sets; 2) generating a detection model capable of detecting the malicious PDF documents; and 3) detecting PDF documents to be detected. The malicious PDF documents and the normal PDF documents are collected as the sample sets in the step 1); suspicious JavaScript codes contained in the malicious PDF documents in the sample sets are positioned and extracted in the step2), the TF-IDF algorithm is adopted to perform malicious PDF document feature generation, and the SVDD algorithm is adopted to generate the PDF malicious document detection model and a discriminationfunction; and in the step 3), the judgment on the PDF documents to be detected through the detection model is achieved. According to the malicious PDF document detection method, the malicious PDF documents can be analyzed and detected accurately and efficiently, and serious hazards posed on personal and company property and privacy security by the malicious PDF documents are avoided.

The invention discloses a debugging method of phase sequences of loops at two sides of a synchronization point before commissioning of a generator set. Before first synchronization grid connection of the generator set, the corresponding relation between primary phase sequences and secondary phase sequences at the two sides of the synchronization point, the primary phase sequence at the two sides of the synchronization point and the secondary phase sequences at the two sides of the synchronization point are detected and debugged by a protector debugging instrument, a phase sequence meter and a universal meter under a 380-V low-voltage power supply, a power-grid-side high-voltage power supply or a generator self-generating electricity accessing state. According to the debugging method of the phase sequences of the loops at the two sides of the synchronization point before the commissioning of the generator set, the phase sequences on a synchronization voltage miniature bus can be guaranteed to be real reflection of primary loops, the phase sequences of the primary loops at the two sides of the synchronization point and secondary voltage comparison loops are adjusted to be coincident in an unmistakable manner, the serious injury brought by non-synchronization grid connection caused by different phase sequences is avoided; and the condition that the grid connection cannot be carried out because the phase sequences are detected to be inconsistent after the impulse starting of the generator is avoided, and the accuracy, reliability and safety of the grid connection of the generator set are guaranteed.

The invention discloses a refrigeration system related to an engine. Partial high pressure air is led out of a turbocharged engine to serve as a high pressure air source of an air refrigeration cycle system to drive an air-conditioning system to perform refrigeration cycle. The air refrigeration cycle system consists of a three-way valve connected to an air supply pipeline of the turbocharged engine, a centrifugal-flow compressor, a radial axial turbine and an air cooler. The compressor and the turbine work coaxially, and the three-way valve is used for regulating the flow rate of turbocharged high pressure air entering the air refrigeration system. By the method, the air supercharging function and the refrigeration function of the traditional air refrigerant can be realized simultaneously, and a bottleneck of the traditional air refrigeration cycle is overcome. The invention is simple and feasible, and convenient to install and operate, and can improve the energy utilization rate of the engine.

The invention discloses a malicious software interception method and device and a terminal. The method comprises the steps of conducting static analysis or defense on a suspicious file, and obtaining a static analysis or defense result; if the static analysis or defense result is that the suspicious file is suspicious malicious software, triggering dynamic analysis of the suspicious file; obtaining a dynamic analysis result and uploading the dynamic analysis result to a cloud server; obtaining malicious software interception information sent by the cloud server, wherein the malicious software interception information is generated by comparing the uploaded dynamic analysis result with a stored malicious software sample through the cloud server. Through the malicious software interception method and device and the terminal, the malicious software can be intercepted on the terminal in which threat is found, and the malicious software is prevented from further spreading to other systems and causing serious damage to the terminal; a 'patient zero' is prevented from losing all materials in a system; meanwhile, the consumed time in the interception process is very short, and manual intervention is not needed.

The invention relates to a polymer dressing and dressing patch. The dressing patch comprises a base cloth on which glue and the dressing are coated and release paper covering the glue and dressing. The dressing is prepared by mixing the following active ingredients by weight percent: 24-30% of sanguisorba officinalis root extracts, 20-27% of polygonum cuspidatum extracts, 18-25% of chitin, 12-18% of D-glucopyranoside and 10-15% of mannan. The dressing and the dressing patch can stop bleeding quickly, prevent infections, promote wound healing, reduce pains of patients, shorten the rehabilitative periods of patients and avoid pathogen harms and nerve fiber lesions.

The invention discloses a gas carbon dioxide liquidation system and method. The system comprises a raw material gas compressor, a circulation compressor, a plurality of parallel adsorbers, a resurgent gas heater, a low-temperature heat exchanger, a rectification purification tower, a plurality of switching valves and a plurality of throttle valves. The method includes the steps that (1) carbon dioxide raw material gas is compressed and cooled; (2) gas carbon dioxide deep purification is carried out; (3) gas carbon dioxide low temperature liquidation is carried out; (4) non-condensable gas in liquid carbon dioxide is removed; and (5) low pressure carbon dioxide gas circulated compression is carried out. The gas carbon dioxide liquidation system is compact in structure, high in efficiency, small in equipment investment and running cost and high in reliability; and by means of the method, safety of the system is improved, a low temperature rectifying tower and the low-temperature heat exchanger are used for replacing expensive refrigeration plants, gas carbon dioxide liquidation is facilitated, the cost of gas carbon dioxide liquidation is greatly reduced, and carbon dioxide gas circulated use is achieved.

The invention provides an integrated high-efficiency antifouling electrode and an electrolysis antifouling device used for a titanium alloy seawater pipeline, and belongs to the field of halobios fouling control for seawater pipelines. The integrated high-efficiency antifouling electrode is designed with an independent cathode body, so that the key problem that hydrogen embrittlement can be easily generated on the titanium alloy seawater pipeline when the titanium alloy seawater pipeline is used as a cathode is solved; the cross section of the cathode body is a closed ring, and defines the outer side of an anode body, and thus, current produced by the anode body is enabled to be basically absorbed by the cathode body, and the problem that stray current corrosion is generated by electrolysis antifouling is avoided; the electrode is designed with an anode conductor, so that space required by installation of the electrode is obviously reduced, and meanwhile, two ways of anode electrolysis current can be controlled independently, and therefore, an antifouling compound is prepared with accurate concentration, and a good antifouling effect is ensured. The electrode is employed by the electrolysis antifouling device, and an alarm device for the service life of the electrode is designed, so that the safety problem possibly caused by anode overelectrolysis is solved, the titanium alloy seawater pipeline is enabled to gain a good halobios fouling control effect, and all related systems are enabled to be stable and safe in operation.

The invention discloses a trifid insulated damping conductor spacer matched with a hot-line de-icing scheme of a transmission line, which is realized in by frameworks and a line clamp main body, wherein the frameworks are made of glass fiber reinforced plastics, consist of lug boss type positioning stop blocks and are symmetrically arranged close to the inner side outside each connecting hole on the inner side of a triangular framework, and the line clamp main body consists of a line clamp with a connecting joint. The trifid insulated damping conductor spacer not only can reliably separate and support a trifid conducting line, but also has good insulating effect so as to ensure that three conducting lines are mutually insulated, thereby creating necessary conditions for the hot-line de-icing of the transmission line, avoiding the harm brought by ice and snow disasters and increasing the bearing strength of the conductor spacer. Because of the improvement on a positioning structure, the line clamp main body and a rubber block, the centripetal force of the conductor spacer can be increased at the same time of simplifying the structure so as to ensure that a damping joint is moved along the conducting line all the time and guarantee that the conducting line has damping effect and good positioning when being moved within any possible ranges. The trifid insulated damping conductor spacer has simple structure, easy manufacture, reliable performance, low manufacturing cost, economy, practicality and convenient mounting and is suitable for popularization and ice coating areas.

The invention relates to a rubber plastic ventilation (muffling) hose. The rubber plastic ventilation (muffling) hose comprises a rubber plastic (muffling) hose and internal spring steel wires, and is characterized in that the rubber plastic (muffling) hose is internally provided with the internal spring steel wires; a supporting framework formed by the internal steel wires and a rubber plastic tube form a telescopic bending ventilation hose. Since the flexible ventilation hose is made of environment-friendly material, the problems of a VAV (Variable Air Volume) ventilation air-conditioning system in domestic and foreign markets such as hidden pollution of the ventilation hose and serious damage easily generated to the health of a human body are completely solved. The product fills the blank of domestic environment-friendly ventilation hose, and the hose can be set according to environmental conditions; the product has good performances of being environment-friendly, fire-resistant and flame-resistant, flexible to stretch, little in ventilation resistance, heat-insulating and energy-saving, little in heat conductivity coefficient, waterproof and moistureproof, attractive in appearance, convenient to operate, low in using labor cost, good in muffling effect, high in installation efficiency, and the like.

The dual function electrical conductive and magnetic conductive textile fiber consists of nanometer dual function powder in 2-15 wt% and polymer in 85-98 wt%, and features that the nanometer dual function powder is composite zeta-Fe2N.alpha-Fe powder of size 20-80 nm and coated with Fe3O4 film. Compared with available technology, the dual function electrical conductive and magnetic conductive textile fiber of the present invention has the features of high electrically and magnetically resisting performance, especially capacity of preventing the harm of low frequency magnetic field on human body.

The invention provides a motor controller arousal system fault handling method and a motor controller. The method comprises the steps that when the motor controller confirms that an arousal signal isabnormal, whether the current communication state with the whole vehicle controller is normal or not is judged; if not, a motor is controlled to stop torque outputting after warning information is output. In this way, fault handling of a motor controller arousal system is achieved when the arousal signal is abnormal, and the phenomenon that when the arousal signal is abnormal, serious damage is caused to the driving safety when power down operation is directly executed by the motor controller is avoided, the driving safety is improved, and the user experience is improved.

The invention discloses a making method of an acid-proof polyamide fabric. The method comprises the following steps: preparing an acid-proof finishing agent; and spraying the right surface of a polyamide fabric with an acid-proof reinforcing adhesive, coating the wrong side of the polyamide fabric with the acid-proof reinforcing adhesive, and carrying out waterproof finishing of the above obtained polyamide fabric. The special acid-proof finishing agent used by the polyamide fabric made through the method is nontoxic, odorless, safe and reliable, has a lasting acid proofing effect, and overcomes the difficult degradation of perfluorooctane sulfonyl compounds in present acid-proof finishing agents and the severe harms of the compounds to the environment and human bodies. The polyamide fabric obtained after the acid-proof finishing is difficult for an acidic liquid to adhere and penetrate, substantially reduces the damages of the acidic liquid to the fabric, improves the use strength, guarantees the effectiveness as a fastener, and provides a safety protection effect for workers contacting with acids.

The invention discloses a field cultivation method of purple-flower bletilla striata tissue culture seedlings. The method includes the following steps of 1, selecting a suitable land parcel for planting bletilla striata; 2, conducting deep ploughing and soil smashing on the selected land parcel; 3, conducting light shielding on the whole planting land parcel and erecting a sprinkling irrigation system; 4, conducting seedling hardening; 5, conducting transplanting; 6, conducting field management. According to a planting technique of the purple-flower bletilla striata tissue culture seedlings, harvesting can be achieved only within two years, and the yield per mu can reach about 2.5 tons. The suitable land parcel is selected according to environmental conditions suitable for survival of bletilla striata, and the great environmental conditions are provided for good growth of bletilla striata after bletilla striata is transplanted into the field; furthermore, by preparing the soil, alleviating soil hardening, carrying out steam sterilization to assist in plastic film mulching, killing pest eggs and weed seeds and the like, elimination of weeds at the early stage of transplanting is achieved, the situation that the growth of the seedlings is influenced since there are too many weeds during a seedling period is avoided, and the adverse impact generated on roots of the seedlings by weeding since the bletilla striata tissue culture seedlings grow slowly and the plants are small is overcome.

The invention discloses a device for preventing a skip bucket from repeatedly coaling. The device comprises a main well winch lifting steel wire rope (1), a lifting skip bucket (2), a winch electric control system (8), a signal system garage display device (9), a signal system management control device (10) and a sensor (6) which is mounted above the lifting skip bucket for measuring coal storage in the skip bucket; the sensor is connected with the winch electric control system, the signal system garage display device and the signal system management control device; the winch electric control system is used for controlling the skip bucket to work according to the coal storage, detected by the sensor, in the lifting skip bucket. The device utilizes the sensor to measure the coal storage in the ship bucket, and is combined with the signal system and the winch electric control system, so that winch operation is stopped when abnormity appears, and alarming and monitoring are accurate, stable and reliable, and therefore, the device is suitable for lifting a vertical shaft gate side-dumping type skip bucket, and effectively prevents serious damages, caused by repeated coaling of the skip bucket, to a mine.