225 results about "Free system" patented technology

The invention relates to a method for publishing advertisement, especially a method for publishing advertisement on the terminal of network, wherein the invention uses the prompt message of some system events on the network terminal as advertisement; uses the wire or wireless network communication based on IP protocol which can be charge in flux; for example, transforming the prompt information as bell and picture of mobile phone into relative music and picture advertisements; the advertisement application program at the network terminal obtains the user ordered advertisement message, to be sent to the advertisement server system; the advertisement server system, based on the ordered advertisement message, sends the ordered advertisement to the client terminal; the client terminal application program modified the prompt message of system event into advertisement; when the system event generates, the relative prompt message is the advertisement. The invention can transform the free system resource of network terminal into useful advertisement.

Embodiments of the present invention include methods and compositions related to catabolic conversion of cellulosic biomass to glycolic acid using molybdenum-containing acidic catalysts. The invention includes the use of heteropoly and isopoly acids and salts as the molybdenum-containing multi-functional catalysts for biomass conversion. In embodiments of the invention, the reactions employ successive hydrolysis, retro-aldol fragmentation, and selective oxidation in a noble metal-free system.

An alloy is disclosed which contains at least four components. The alloy has a bulk structure containing at least one amorphous phase. The alloy composition follows an “80:20 scheme”, i.e., the alloy composition is [(AxD100−x)a(EyG100−y)100−a]100−bZb with the number “a” being approximately 80. Preferably, component A is Zr. The other components D, E, G and, optionally, Z are all different from each other and different from component A. A preferred system is Zr—Cu—Fe—Al. Further disclosed are Cu-free systems of the type Zr—Fe—AI-Pd / Pt. Importantly, the alloy is substantially free of nickel. This makes the alloy especially suitable for medical applications. Methods of preparing such an alloy, uses of the alloy and articles manufactured from the alloy are also disclosed.

A driver installation free system including a peripheral storing a device driver, a host, an operation system, an application interface and a middleware is provided. When the peripheral device is coupled with the host, the middleware utilizes the bus driver to read a configuration of the peripheral device, the driver function information and the driver parameter structure from the peripheral device, and generates relationships between the standard command and the device driver command as well as between the standard parameter structure and the driver parameter structure.

A two-dimensional wavelength / time optical CDMA system employing balanced-modified pseudo random noise (PN) matrix codes is provided. Through an inverse-exclusive OR operation of a pair of modified PN code, the balanced codes are generated as optical CDMA codes in the form of a new matrix. When the codes are applied to an optical CDMA system to perform encoding and decoding, if the same number of channels as the number (M−1) of subgroups of the codes are connected, the system becomes an MAI-free system, and even if the number of channels connected is twice the number of the subgroups, an error-free system can be established. Accordingly, the number of channels that can be used simultaneously is doubled compared to the prior art method such that the economical efficiency of the optical CDMA system improves.

The invention discloses an intrinsically-safe water-feeding and oxygen-adding treatment method of a once-through boiler, comprising the following steps of: (1) adopting independent ammonia-adding treatment as a water-feeding treatment mode before adding oxygen of a copper-free system of a thermal power unit and adjusting the pH value at 25DEG C of water fed before the boiler to be 9.3-9.6 by adding ammonia; (2) closing an exhaust valve of a deaerator after meeting certain conditions; (3) adding oxygen at an oxygen adding point of a condensed water precision treatment outlet of the unit; (4) controlling that the content of dissolved oxygen at an inlet of a coal economizer is in the range of 5-50mu g / L and the oxygen content of main steam is not remarkably increased compared with the before adding oxygen; (5) reducing the control range of the pH value at 25DEG C of water fed before the boiler to be 8.8-9.3 after the electrical conductivity (CC) of anions of water fed before the boiler is reduced to be less than 0.15mu S / cm; (6) improving the pH value at 25DEG C of water fed before the boiler before the unit stops to be 9.3-9.6 until the unit halts; and (7) stopping the operation of the boiler and maintaining. The treatment method can be used for enhancing the buffer capacity of the water-feeding and oxygen-adding treatment and reducing the fluctuation of the dissolved oxygen content of the fed water and other parameters.

The invention discloses a reference signal and multiple access resource mapping method comprising the steps that a reference signal used for uplink data transmission is determined; multiple access resources are determined according to the mapping relation between the reference signal and the multiple access resources; and communication is performed by using the multiple access resources. The mapping method can also be applied to a scheduling-free system. The root sequence index, the cyclic shift, the OCC index and the COMB index of the reference signal used for uplink data transmission can be mapped out by the leader sequence through the set rules according to the selected leader sequence, and then the multiple access resources can be mapped out according to the mapping method. The invention also discloses reference signal and multiple access resource mapping equipment. The signaling overhead can be reduced by applying the technical scheme.

The invention discloses an efficient, energy-saving and land-saving factory circulating water high-density breeding system. The efficient, energy-saving and land-saving factory circulating water high-density breeding system comprises a circulating water breeding pool, a full-automatic back-flushing roller machine filtering machine, a fixed bio-filter bed, an ultraviolet disinfection device, an adjustment pool, an upper movable bio-filter bed, an efficient pure-oxygen mixer, a bio-filter inner-circulation security self-maintenance inoculation-free system and a bypass pipe circulating system. Due to the double bio-filter beds, the purification efficiency can be improved, and the occupied area can be saved. Due to the ultraviolet disinfection device arranged between the double bio-filter beds, efficient disinfection can be achieved, a stable water environment for beneficial microorganism is created for the circulating water breeding pool; due to the bio-filter inner-circulation security self-maintenance inoculation-free system, the stable active biological flora can be kept, and the efficient purification efficiency can be kept; the bypass pipe circulating system can solve the problem caused when medicine is used in circulating water breeding due to the fact that fishes fall ill. The efficient, energy-saving and land-saving factory circulating water high-density breeding system is suitable for high-density breeding of fresh-water and sea-water high-quality varieties.

The invention provides an electromagnetic compatibility immunity test system used for a key-free system. The system comprises a key signal transmitting device whose key signal transmitting antenna is arranged inside an anechoic chamber, so as to transmit a key signal to a key-free system to be tested which is arranged inside the anechoic chamber, and operation is carried out according to the key signal when the key signal received by the key-free system to be tested is a required working signal. In addition, the test system in the invention also comprises an anti-interference test system whose test signal transmitting antenna is arranged inside an anechoic chamber, so as to transmit test signals that interfere with work of the key-free system to be tested inside the anechoic chamber, and a test signal band elimination filter is arranged in the anti-interference test system and used for filtering from the test signals those within a band elimination frequency band corresponding to the frequency of a working signal, so as to eliminate influence of the test signals on the key signal, thereby enabling a test result to be relatively accurate.

The invention belongs to the field of cells and in particular relates to an efficient induced pluripotent stem cell reprogramming method for blood cells. The method comprises the following steps: S1,extracting monocyte from a blood specimen, and performing selective culture with an amplification culture medium so as to obtain erythrocyte progenitor cells; S2, introducing a free carrier with at least one potentiality determinant factor into the obtained erythrocyte progenitor cells; S3, culturing the erythrocyte progenitor cells with the free carrier by using a pluripotent stem cell inductionculture medium, and performing induction in a feeding layer free system so as to obtain reprogrammed intermediate state cells; S4, after induction is completed, replacing the pluripotent stem cell induction culture medium in the step S3 by a pluripotent stem cell culture medium to maintain culture, thereby obtaining cells that potentiality determinant factor expression is vanished and expression of endogenous pluripotent genes POU5F1, NANOG, TRA-1-60 and TRA-1-81 is activated, namely the induced pluripotent stem cells. The method has the beneficial effects that pluripotent stem cells without endogenous gene components can be efficiently induced, and the method is applicable to preclinical study and clinical application.

The invention provides a vacuum oil-gas separator used for transformer on-line monitoring. The separator comprises: an oil-gas separation chamber connected with transformer body oil and a gas detection unit, a vacuum-pumping device used for vacuum-pumping of the separation chamber, an ultrasonic generator installed in the oil-gas separation chamber and a cold trap connecting the oil-gas separation chamber and the gas detection unit. The vacuum oil-gas separator of the invention integrates circulating sampling, vacuum ultrasonic degassing and cold trapping, thus thoroughly avoiding oil gas pollution on a chromatographic column and realizing a maintenance-free system really. With the advantages of low cost, long service life and good stability, etc., the vacuum oil-gas separator provided in the invention has obviously higher effect than traditional degassing modes.

The invention provides an electronic-magnetic-stirring-based oil-gas separation device, which can be applied in the field of on-line monitoring of transformer oil. The oil-gas separation device comprises an oil-gas separation chamber connected with transformer body oil and a gas detection unit, and a piston device for vacuumizing the oil-gas separation chamber, wherein the oil-gas separation chamber is connected with the gas detection unit through a cold trap; and an electronic magnetic stirrer is arranged at the bottom of the oil-gas separation chamber. The electronic-magnetic-stirring-based oil-gas separation device integrates oil cycle sampling, electronic magnetic stirring degassing and the cold trap, radically avoids oil-gas pollution on a chromatographic detection unit, realizes a maintenance-free system, has the advantages of low cost, long service life, high stability and the like, and has an obvious effect higher than that of a traditional degassing mode.

A system and associated method are provided for directing a database management system, to relocate buffer pages that are pinned in a buffer pool of a data processing system. Each of the buffer pages has a respective page descriptor for indicating the location of the buffer page in the buffer pool. Once the pages are relocated, the now free system memory of the buffer pool is resized. Prior to resizing, a selected pinned page is latched by an agent of the system, wherein the selected page of the buffer pages is in a resize region of the buffer pool. The pinned and latched page becomes a fixed page. The agent for the database management system determines a suitable relocation region of the buffer pool for the fixed page. A resizer module copies the contents of the fixed page to the relocation region and changes the respective page descriptor to indicate the relocation region. The resizer module performs the relocation of other pages in the resize region to allow dynamic resizing of the buffer pool while maintaining the presence of pinned versions of the pages in the buffer pool prior to resizing.

A method for carrying out operating tests of vibration level switches for liquids or solid bulk material or mixtures thereof is provided, whereby a vibration resonator (1) of a level detection sensor is excited by an oscillation exciting feedback circuit to oscillate, whereby at least one excitation parameter of a plurality of signal processing blocks (5, 6, 7, 8, 9, 10) of the feedback circuit is varied, and the resulting oscillation change is compared by a microprocessor (14) to datasets comprising data of corresponding oscillation changes of a failure free system. Moreover, a vibration level switch for measuring the level in containers for carrying out the inventive method is provided.

The invention discloses a high-electrostriction sodium-bismuth-titanate-base lead-free piezoelectric material. The invention is characterized in that the chemical composition is (0.935-x)Bi0.5Na0.5TiO3-0.065BaTiO3-xSrTiO3, wherein 0<=x<=0.30. On the basis of a binary morphotropic phase boundary (MPB) component solid solution 0.935Bi0.5Na0.5TiO3-0.065BaTiO3, SrTiO3 is introduced to prepare a ternary system solid solution, thereby preparing a high-electromechanical-responsiveness lead-free system. Compared with the existing lead-free system, the invention can disclose the MPB component of the ternary solid solution, obtain the high-electrostriction system, can acquire high strain capacity in a small electric field, and is prospected to be applied to novel environment-friendly solid state drives.

The invention belongs to geochemical analysis in the field of oil-gas exploration, which includes enrichment and concentration on a tested material. Particularly, the invention relates to a system for extracting hydrogen from natural gas, enriching and analyzing the hydrogen and a method thereof. The system is characterized by comprising a sample injection unit, a vacuum unit, a monitoring unit and a collecting unit, wherein the sample injection unit and the vacuum unit are respectively connected with the collecting unit. The fractionation-free system for enriching trace hydrogen in natural gas has simple equipment and flexible operation. The design of double sample injection systems not only can process conventional natural gas, but also can sample and analyze hot spring gas with specialsampling. Meanwhile, other component container bottles 113 can be selected according to the concentration of hydrogen in the natural gas and the sampling volume, and the volume of added He is accordingly controlled and further the times of hydrogen enrichment is controlled, thus the application range of the technology is greatly enlarged.

The invention provides a clay-content-free drilling fluid, which is composed of seawater, a pH regulator, a tackifier, an antioxidant, a filtrate reducer, an inhibitor, a weighting agent and a blocking agent; the dosage of the weighting agent enables the density of the drilling fluid to be 1.20g / cm<3> and 1.50g / cm<3> respectively. The invention also discloses a preparation method of the drilling fluid. The drilling fluid provided by the invention resolves a blocking problem of a common solid-content-free system for highly-deviated wells and horizontal wells in a low-porosity and low-permeability reservoir layer and guarantees a good rheological property of the drilling fluid system at the same time.

The invention relates to an energy-saving operating room air treatment system and a clean operating room. The energy-saving operating room air treatment system comprises an air conditioning unit and a sound-eliminating direct-current fan unit. The air conditioning unit and the sound-eliminating direct-current fan unit are arranged in a double-wall of an operating room, the air conditioning unit is a constant-temperature and constant-humidity direct expansion air conditioning unit, the sound-eliminating direct-current fan unit comprises a shell; a fan, a sound eliminator, a middle efficiency filter and an airflow-diffusing orifice plate are arranged sequentially in the shell from top to bottom; the fan is fixed at the top of the shell through a fan semi-suspending support, the sound eliminator is fixed below the fan through a sound eliminator semi-suspending support, and the airflow-diffusing orifice plate is arranged at the bottom of the shell. The air treatment system is a pipeline-free system, which is simple in structure, convenience in assembly, energy-saving, lowered in noise and low in cost, so that construction process is simplified, time of the entire construction is shortened greatly, assembly is simple and convenient, and labour cost is reduced.

The invention discloses a vehicle DVR (Digital Video Recorder) hard disk data storage method. The vehicle DVR hard disk data storage method comprises step 1, dividing an available storage area of a vehicle DVR hard disk into an ext3 file system partition and a file-free system partition; step 2, collecting video files and dividing the collected video files into index files and video data corresponding to the index files; step 3, storing the index files in the ext3 file system partition and storing the video data corresponding to the index files in the file-free system partition according to the time sequence; step 4, performing cyclic covering when a storage space of the file-free system partition is full and cyclically cover the corresponding index files in the ext3 file system partition. According to the vehicle DVR hard disk data storage method, a file-free system storage method is adopted and accordingly the operation on a disk is reduced as far as possible, the convenience of the data storage and reading is ensured, the storage capacity is increased, the visits to the disk are reduced, and the damage rate of the disk is reduced, and the later maintenance cost is reduced.

The invention discloses a lithium ion battery separator, comprising a base film and a PVDF coating coated on one side or two sides of the base film. The PVDF coating is obtained by coating aqueous PVDF slurry and drying, and the coating thickness is 1. 3[mu]m. The invention overcomes the poor dispersion effect of common PVDF in aqueous solution, and the common aqueous PVDF coating is unevenly distributed on the base membrane, resulting in clustering phenomenon, which leads to the poor performance of the separator. PVDF dispersion in aqueous solution is obviously improved, and the phenomenon ofcoagulation does not occur, and the PVDF coating is evenly distributed on the base membrane. The green and pollution-free system is used, and the separator with good performance is produced.

The invention relates to the electric energy storage and utilization technology field and provides an energy collection utilization system and a method thereof. The system comprises an energy collection module, a maximum power tracking control circuit, a super capacitor, a boosted circuit, a charging management circuit and a rechargeable battery. The energy collection module is used for collecting energy and converting the collected energy into electric energy. The electric energy is unidirectionally transmitted to and stored to the super capacitor through the maximum power tracking control circuit. The super capacitor is connected to the rechargeable battery through the boosted circuit and the charging management circuit. When an electric quantity stored in the capacitor is greater than a setting threshold, the super capacitor charges the rechargeable battery. The system and the method have advantages that the system takes the super capacitor as power supply energy most of the time so that charge and discharge frequencies of the rechargeable battery are reduced and a service life of the system is greatly prolonged; the system acquires energy from a surrounding environment during a whole life cycle and is always maintained to be in a work state so that the system becomes a real maintenance-free system; and the system is simple and practical, and an application prospect is wide.

The invention discloses a preparation method of a high-flux and high-precision ceramic ultrafiltration membrane for oil removal and iron removal of high-temperature condensed water. The method comprises the following steps: 1) preparation of a silicon-free porous alumina supporting body: 2) preparation of a transition layer membrane: and 3) preparation of a separation layer membrane. The prepared high-flux and high-precision ceramic ultrafiltration membrane for the high-temperature condensed water adopts the silicon-free system porous alumina supporting body, so in the process of using, no silicon is dissolved to cause secondary pollution of the condensed water after treatment; the prepared high-flux and high-precision ceramic ultrafiltration membrane for the high-temperature condensed water has high separation accuracy, the membrane average pore size is 5-50 nm, the membrane flux is high, the water yield is greater than 1.5 m<3> / m<2>*h, the oil content of the high-temperature condensed water after treatment is less than or equal to 0.3 mg / L, and the iron content of the high-temperature condensed water after treatment is less than or equal to 20 [mu]g / L; the bending strength is greater than 8000 N, and the membrane thermal stability is greater than 800 DEG C.

The invention discloses an essence-safe boiler feedwater oxygenation processing method. The method comprises the following steps: 1) setting a feedwater processing mode before a thermal power unit copper-free system is oxygenized to be an ammonification processing mode; 2) closing an exhaust valve of a deaerator after meeting a certain condition; 3) carrying out oxygenation at an oxygenation point of the condensation water precision processing outlet of the unit; 4) controlling the content of water dissolved oxygen at an inlet of economizer to the range of 5-50 mu g / kg, wherein the content of master steam chromate is no obviously increased as compared with that before oxygenation; 5) controlling the cation conductivity (1.5mu S / cm and [Cl-] (125 mu g / kg) of header boiler water below a drum boiler; 6) reducing the control range of the pH of stokehole feedwater at the temperature of 25 DEG C to 8.8-9.3 before the cubic centimeter (CC) of the stokehole feedwater is reduced to 0.15 mu S / cm; 7) before the operation of the unit stops, increasing the pH of the stokehole feedwater at the temperature of 25 DEG C to 9.3-9.6; and 8) blowing out the boiler and maintaining. By using the method, accidents caused by spalling of scale cinder of a steam through-flow system after feewater oxygenation can be effectively prevented.

The invention discloses a commissioning method of a bypass-free wet desulphurization system of a large coal-fired unit by means of tiny-oil ignition. A unified formed commissioning method of a hot commissioning specific to bypass-free desulphurization systems does not exist at present. The commissioning method comprises two stages of a cold commissioning and the hot commissioning, the commissioning of a desulphurization process water system and a desulphurization waste water treatment system is required to be completed before the hot commissioning is started, the desulphurization waste water treatment system is used for receiving and processing waste water produced by a desulphurization system, commissioning steps and methods of the rest branch systems are identical to those of corresponding branch systems of a wet desulphurization system with a bypass, and start operation steps in the stage of the hot commissioning are properly adjusted. According to the commissioning method of the bypass-free wet desulphurization system of the coal-fired unit by means of tiny-oil ignition, the cold and hot commissioning processes are adjusted so that the problems existing in a bypass-free system during the hot commissioning are avoided, and the construction period is further reasonably arranged so that the synchronous safe starting of the desulphurization system and a main generator unit is guaranteed.

The invention discloses a catalyst for synthesizing dimethyl carbonate through methyl nitrite carbonylation and a preparation method of the catalyst. A main active component of the catalyst is palladium, auxiliary active components of the catalyst are Cu, K and organic ligand, carriers of the catalyst are NaY, NaX and Nabeta type molecular sieves, and the catalyst belongs to chloride-free system catalysts. The catalyst has the advantages that the organic ligand is introduced, the active components and the organic ligand can be properly combined by optimizing preparation conditions, on the one hand, the electron cloud density of the main active component Pd can be increased, activation of CO is promoted, and therefore the activity of the catalyst is improved; on the other hand, due to the existence of the organic ligand, migration and agglomeration of the active components in the reaction process can be effectively inhibited, and the stability of the catalyst can be improved.

A system for producing high purity water, and particularly for the production of water that is suitable for injection, as well as method of using the same, are disclosed. The system includes a unique combination of known water purification methods that is particularly well-suited to the production USP purified water and USP water that is suitable for injection. The system minimizes potential for organism growth within the system by providing multiple means of organism destruction and removal and by not utilizing any standard water treatment media.

The invention relates to a key-free starting system having a fingerprint verification function. The key-free starting system comprises an intelligent key unit, a key-free system control unit, an engine starting control unit, a fingerprint acquisition unit, a fingerprint comparison and storage unit and a fingerprint system control unit and further comprises a mobile phone management unit, wherein the mobile phone management unit is connected with the fingerprint system control unit through a vehicle wireless communication unit, the mobile phone management unit is used for setting a fingerprint verification mode state of the fingerprint system control unit, the key-free system control unit is used for receiving fingerprint verification information, fingerprint verification mode state information, braking pedal information and the position information of the intelligent key unit and sending an engine control instruction according to the information. The invention further relates to a key-free starting system adopting fingerprint verification. The problem that in an existing automotive key-free starting system, an automobile non-owner inconveniently uses an automobile due to fingerprint verification is solved.

The invention relates to a high-toughness and high-strength thick steel plate and a production method thereof. The steel plate comprises the following chemical components in percentage by weight: 0.20-0.24% of C, 0.25-0.36% of Si, 0.50-0.75% of Mn, 1.00-1.20% of Cr, 1.65-2.4% of Ni, 0.28-0.42% of Mo, 0.006-0.018% of Nb, 0.005-0.015% of Ti, and the balance Fe and inevitable impurities. According to the steel plate and the production method thereof, which are disclosed by the invention, an ingredient B-free system is adopted, a reasonable design is carried out on the alloy elements of Mn, Ni, Cr and Mo, the conditions that Mn+Cr is less than Ni, and Si+Mn+Cr+Ni+Mo is greater than 3.8% and less than 5% are met; and through a process of combining quenching, intercritical quenching and tempering, the produced steel plate has a thickness of not less than 80mm, a yield strength Rp0.2 of not less than 1200MPa, a tensile strength Rm of not less than 1450MPa, a percentage elongation of not less than 12% after fracture, a yield ratio of not greater than 0.85, and an impact energy of not less than 65J at minus 40 DEG C, the structure and properties in the whole thickness direction are uniform, the hardness fluctuation is low, and the fluctuation amplitude of the Brinell hardness value of the section is less than 10HB. The steel plate can be widely used in the high-strength and high-toughness super-thick steel plate application fields of various heavy engineering machinery, mining machinery, coal mine machinery, large buildings, bridges, hydroelectric power, ocean platforms and the like.

The invention discloses a mining environment-reconstructing mobile pumping filling artificial pillar shrinkage mining method which comprises the following steps: dividing an ore body into a pillar and a chamber; firstly mining the pillar by utilizing a layered filling mining process, filling by adopting a mobile pumping filling system to form an artificial pillar, and reserving a pedestrian and equipment channel for mining environment reconstruction; then stoping the chamber by adopting a shrinkage mining process, reserving the pillar on one side of the chamber, and reserving no pillar on the other side of the chamber; by utilizing a jack shaft as a stope return air shaft, recovering the reserved pillar for one time after the chamber is stoped, and supporting a worked-out section through the artificial pillar without treating the worked-out section so as to realize the purpose of safe mining of a steep-inclined thin ore body. The mining environment-reconstructing mobile pumping filling artificial pillar shrinkage mining method disclosed by the invention is especially suitable for an underground metal mine filling-free system and the mining of a high-grade inclined or steep-inclined thin ore body with a more steady top plate surrounding rock and has the characteristics of low ore loss rate, no need of filling system construction, simple process, safety in operation and few needed filling material.

The invention discloses an intelligent public transportation system based on an internet-of-things mode. The intelligent public transportation system comprises a coin-free system and a beckoning stopsystem; the coin-free system involves locating, location stations, the number of passengers, site selection, generation of a payment two-dimensional code, scanning for payment, generation of order information, database updating, automatic billing, payment failure and payment success; the beckoning stop system involves a data set, image preprocessing, processed images, adoption of a convolutional neural network for training, a knowledge library, pre-processing, image inputting by users, personal beckoning action, prompting and non-personal beckoning action. According to the system, based on a machine learning algorithm, whether or not a person beckons for bus stopping is analyzed and judged, whether or not there is a remaining seat is judged according to a temperature sensor and a pressuresensor, useful information required by the passengers is queried in real time through a mobile phone APP client side, the coin-free purpose of the bus is achieved through the combination of an electronic screen and software, people take the bus very conveniently, and the system is easy to popularize.