80results about How to "The solution is limited" patented technology

A method for producing a wide steel strip using thin slab continuous casting and rolling by the following steps a) casting a molten steel into a thin slab having a thickness of between 50 and 90 mm; b) cutting; c) soaking; d) heating by electromagnetic induction; e) descaling; f) rolling; g) cooling with laminar flow; and h) coiling. The method can effectively control the solution and precipitation of carbon, nitrogen, and sulfide in steel with a low cost. The process is easy and flexible, and steel can be produced in a wide range of categories. Further provided is a system for producing a wide steel strip with thin slab continuous casting and rolling.

The invention relates to a method for treating ionic rare-earth in-situ leaching waste land in a red soil region; the method comprises the steps of (1) performing land consolidation on a slope of the rare-earth in-situ leaching waste land to eliminate the slope in order for building steps or terraces; (2) building drainage measures at the slope of the rare-earth in-situ leaching waste land; (3) building ridges at the edge of the rare-earth in-situ leaching waste land; (4) performing soil improvement on the rare-earth in-situ leaching waste land; (5) broadcasting grass seeds to the slope, steps or terraces of the rare-earth in-situ leaching waste land; (6) planting shrubs at the slope bottom and steps or terraces of the rare-earth in-situ leaching waste land, and planting trees in a leaching tank. The method achieves water and soil maintaining and can also improve ecological environment; the method is simple, has low cost, is simple to perform, has sustainable restoration effect; the method is suitable for popularization and application in the treatment of ionic rare-earth ore waste lands in southern red soil eroded regions.

The invention discloses a preparation method of fish scale gelatin of bighead carp. An ultrasonic-assisted, short-term and low-temperature water extraction method is employed to prepare the fish scale gelatin of bighead carp, and bighead carp scale is taken as raw material. Production yield of the scale gelatin is increased, and the gel strength and the gel melting temperature are guaranteed effectively. Beneficial effects of the method are that: the ultrasonic technology which is capable of breaking collagen can be used to increase the production yield of the scale gelatin effectively; the quality of the product is guaranteed by the short-term and low-temperature extraction method, and the application value of the product is improved; and the scale gelatin is possible to take place of mammalian gelatin for application in some fields, so that problems of the safety and limitation of gelatin are solved, and a problem that the demand for the mammalian gelatin exceeds the supply will be solved to a certain degree. [0]

Microfluidic devices having an electrowetting configuration and an optimized droplet actuation surface are provided for processing biological cells, e.g., for use in nucleic acid library preparation and / or synthesis (including amplification). The devices include a dielectric layer, a hydrophobic layer covalently bonded to the dielectric layer, and a first electrode. Methods of nucleic acid library preparation and / or synthesis can involve providing reagents to cells or nucleic acids by merging appropriate droplets on a droplet actuation surface within a water-immiscible organic liquid and can be performed in the presence of appropriate surfactants. The hydrophobic layer features self-associating molecules covalently bonded to a surface of the dielectric layer in a manner that produces a densely-packed monolayer that resists intercalation and or penetration by polar molecules or species. Also provided are systems for temperature control of the microfluidic device during nucleic acid library preparation and / or synthesis which can reduce temperature overshooting during heating and cooling steps.

The invention pertains to methods that include administering to a subject a transoral dosage form comprising a pharmaceutical carrier and sufentanil, and maintaining a mean pH ranging from about 3.5 to about 5.5 during a dosing period after administration of the transoral dosage form as determined using an in vitro donor media test. Related dosage forms are also disclosed. Also disclosed are transoral dosage forms and related methods, wherein a transoral dosage form may comprise: (1) about 5 to about 1000 micrograms of sufentanil; (2) about 50 micrograms to about 100 milligrams of naloxone; and (3) acidifying material in an amount sufficient to provide a mean pH ranging from about 3.5 to about 5.5 during a dosing period after administration of the transoral dosage form as determined using an in vitro donor media test; wherein the dosing period begins no earlier than about 1 minute after administration of the transoral dosage form, and ends no later than about 120 minutes after administration of the transoral dosage form.

The invention relates to a network data processing method and device, a terminal, a server and a storage medium, and belongs to the field of computers. The method comprises: displaying a live broadcast interface based on a first virtual space of a first user account, and the live broadcast interface comprising an entrance used for initiating an answer; when a trigger instruction for the entrance is received, acquiring combined live broadcast content and distributed answer questions, and generating the combined live broadcast content based on the live broadcast content of the first user accountand the live broadcast content of the second user account; and displaying the merged live broadcast content, the answer questions and an answer result on the live broadcast interface, wherein the answer result is obtained by answering the answer questions by the user account in at least one virtual space in the first virtual space and the second virtual space of the second user account. Accordingto the invention, the problem of large limitation of live broadcast answering is solved, and the answering efficiency is improved.

The invention discloses a method for preparing (R)-phenylglycol from SD-AS sequence coupled (R)-carbonyl reductase and glucose dehydrogenase and belongs to the technical field of biological catalytic asymmetric transformation. The invention provides recombinant escherichia coli E. coli RIL / pET-R-SD-AS-G. The recombinant escherichia coli E. coli RIL / pET-R-SD-AS-G is preserved in the China center for type culture collection (CCTCC) and has a preservation number of CCTCC NO: M2015170. R-carbonyl reductase and glucose dehydrogenase are coupled by a coexpression way, and the coupled enzyme, a cultured recombinant strain and 2-hydroxyacetophenone as a substrate undergo a catalytic asymmetric transformation reaction under optimized biotransformation reaction conditions to produce (R)-phenylglycol with optical purity of 100% and a yield of 99.9%. The method utilizes a SD-AS sequence high efficiency coupling double-enzyme technology, solves the problem of limitation of chiral catalytic reaction coenzyme regeneration cycle and provides an effective approach for high efficiency bio-preparation of the (R)-phenylglycol.

The invention discloses an implementation method of an indoor visible light unipolar OFDM communication system. The even subcarriers of ACO-OFDM are precoded in frequency domain, and the anti-symmetric signals with different periods are generated by bit loading on the even subcarriers, and the negative signals are zero-clipped. A positive signal is transmitted into a channel composed of air. The signals carried on odd subcarriers and even subcarriers are respectively recovered by the receiving end. The invention solves the problem of low power utilization and low multiplexing gain of the SMP-OFDM syste in the prior art .

The invention discloses a method for enhancing the acidification effect of oil well of offshore oil field. The method for enhancing the acidification effect of oil well of offshore oil field includesthe following steps that an oil well production pipe string is taken up; an acidification construction operation pipe string is lowered down; ground acidification equipment, a pressure pulse pluggingremoval device and a pipeline are connected, an acidification wellhead manifold valve is closed, and pressure tests of an acidification process pipeline are conducted; a displacing liquid is prepared,a mud pump wellhead manifold valve is opened, and pilot injection of the oil well is conducted; the mud pump wellhead manifold valve is closed, a wellhead manifold valve of the pressure pulse plugging removal device is opened, and an energy generator pneumatic valve is opened or closed; the mud pump wellhead manifold valve is opened, and the pumping and injection of a mud pump are conducted; circulating well cleaning operation is conducted; the mud pump wellhead manifold valve and the wellhead manifold valve of the pressure pulse plugging removal device are closed, the acidification wellheadmanifold valve is opened, and the pumping and injection of an acid liquor are conducted; the acidification wellhead manifold valve is closed, the mud pump wellhead manifold valve is opened, and the pumping and injection of the displacing liquid are conducted; the circulating well cleaning operation is conducted; and the ground acidification equipment, the pressure pulse plugging removal device andthe pipeline are disassembled.

The invention discloses an operation address determination method, a PCIe system, electronic equipment and a computer readable storage medium. The method comprises the steps: by a PCIe host, acquiringan operation address; generating a target base address and a target offset address corresponding to the operation address based on the offset address block information; generating a register settinginstruction based on the target base address and the target offset address; and sending the register setting instruction to PCIe equipment so as to set a first register used for storing the target base address and / or a second register used for storing the target offset address in the PCIe equipment. The method comprises the following steps: dividing the operation address in the PCIe equipment intoa plurality of offset address blocks by utilizing the target base address and the target offset address; the size of the data space required for recording the target base address and the target offset address is far less than the length of the full address space, so that the PCIe host can control and access the PCIe equipment without limitation.

The invention relates to promotion of synthesis of (R)-styrene glycol by coupling (R)-carbonyl reductase and formic dehydrogenase, which belongs to the technical field of asymmetrical transformation of biological catalysis. The invention provides a recombinant Escherichia coli, namely E.coli Rosetta / pETDuet-rcr-fdh, with a preservation number of CCTCC NO: M208123, wherein the (R)-special carbonyl reductasei and the formic dehydrogenase are coupled by a co-expression mode; asymmetrical transformation reaction is catalyzed by utilizing a cultured recombinant strain and taking 2-hydroxyacetophenone as a substrate; and the optical purity of the (R)-styrene glycol reaches 100 percent e.e., and the yield of the (R)-styrene glycol reaches 85.9 percent by optimizing the biotransformation reaction conditions. The invention utilizes double-enzyme coupling technology to solve the problem of limitation of regeneration cycle of coenzyme under the condition of high-concentration substrate, provides an effective path for high-efficiency and low-cost preparation of the (R)-styrene glycol, and lays a foundation for industrial application of the biosynthesized (R)-styrene glycol.

The invention provides a program running method and device and relates to the field of computer application. The problem that CPU performance is limited is solved. The program running method comprises the steps that before an application program is started by a kernel, the size of a kernel code segment is calculated according to the starting and ending addresses of the kernel code segment; memory space is distributed in each node, and a kernel code is copied into the memory space of each node; the kernel code runs on all the nodes. According to the technical scheme, the program running method and device are applicable to a multi-CPU system, and local storage and calling of the kernel code needed by each node are achieved.

A semi-automated coating system for providing medical devices with antimicrobial coatings is disclosed. The semi-automated coating system extends the coating solution's usable life span by minimizing exposure to light, air and temperature extremes. Moreover, the disclosed semi-automated coating system minimizes operator and environmental exposure to the coating solutions. Methods disclose techniques for preparing coating solutions, setting up the coating system and operating the device. Moreover, the systems and methods described herein minimize operator intervention with the coating processes and provide superior product consistency.

The invention discloses a call reminding device. The call reminding device includes: an acquisition module used for receiving touch operation of a user triggered based on a pressure sensor when a mobile terminal is in an incoming call reminding state; a generation module used for generating a prompt message based on environmental information and contextual model information of the mobile terminal when receiving the touch operation; and a sending module used for sending the prompt message to the mobile terminal of a calling party of an incoming call request. The invention also provides a call reminding method. The call reminding method and device enable the calling party to know the state of a called party in time, enable call reminding to be relatively flexible, and solve the problem that the limitation is relatively large.

The invention provides a green and efficient fresh-keeping method for the apricots, and the method comprises the following steps: treating fresh apricots with dielectric barrier discharge (DBD) low-temperature plasmas, treating a solvent of a coating material with radio frequency discharge low-temperature plasmas, preparing a coating solution from the treated solvent, and then carrying out coating treatment. According to the method, low-temperature plasmas prepared in different forms are applied to fresh keeping of the apricot fruits, and the scheme provided by the invention maintains a clean microenvironment of the fruits. The defects of existing pure coating preservation and low-temperature plasma preservation treatment are overcome, the problem that the effect of killing and inhibiting pathogenic bacteria of fruits and vegetables is limited in the coating preservation technology is solved, and the phenomenon that the fruits and vegetables are easily infected by environmental microorganisms again in the storage period through pure low-temperature plasma treatment is avoided; and the problem that the apricot fruits are easily infected by pathogenic bacteria and are rotten and deteriorated in the storage process is well solved. Under the treatment of the method, the low-temperature fresh-keeping period of the apricots is greatly prolonged to 60 days or above from about 30 days at present.

The invention discloses a page processing method and a multimedia terminal. The method comprises the following steps of recording an initial access address in a first access request in a first backup file list after the first access request is sent to a network server; amending the initial access address in the request as a local access address, and recording the local access address in a second backup file list; receiving an initial page file returned by the network server, and amending the name of the initial page file to form a renamed page file; and saving the first backup file list, the second backup file list and the renamed page file to a backup folder, wherein a saving path of the renamed page file is the same as an access path of the initial page file. The invention solves the problems of higher manpower expenditure for analyzing an abnormally accessed page and a larger limitation to the page file which can be reproduced, which are caused by the fact that the page file needs to be amended manually during the process of reproducing the abnormally accessed page file, in the existing technology.

The invention discloses a smart community cloud visual intercom system, which comprises a background system, a background management system, an entrance machine, a mobile APP and a management central machine, wherein the management central machine is connected with the background management system and the entrance machine, the background management system and the entrance machine are connected with the background system, the background system is connected to the mobile APP through a wireless network, and the mobile APP is further connected with the entrance machine. The entrance machine calls a unit and then requests the background system to initiate a request through an HTTP (Hyper Text Transport Protocol), the background system receives the request and pushes the request to a corresponding mobile phone APP, the mobile phone APP analyzes request information, judges the network type, establishes connection with the entrance machine and carries out video voice intercom, and a user can also control remote unlocking through the mobile phone APP. The mobile APP of the user can also be bound with a smart home, and smart home equipment is controlled by the mobile APP through a network request. According to the invention, multiple terminals are connected to the internet simultaneously, information is managed through a cloud server, the user can answer calls of the entrance machine at all times and places, and the installation cost is reduced.

The invention provides an image data storage method and device, and belongs to the technical field of image display. The image data storage method comprises the steps: obtaining an image display requirement, including image quality or response speed required by an image; determining a data compression ratio corresponding to the display requirement; compressing the image data of the image according to the data compression ratio and storing the compressed image data in an RAM of a driving chip. The invention solves a problem of great limitation because of the fact that compression and storage can be performed only according to a constant compression ratio in correlation technology; an effect that the data compression ratio can be flexibly adjusted according to the display request of the image to adapt to various scenarios is achieved.

The invention discloses a full electronic type multichannel constant current source and a current adjustment method thereof. The multichannel constant current source includes a power supply conversion module, a shunt output module, a controller, an input module, and a display module; the power conversion module converts an alternating current power supply into a direct current power supply; the shunt output module includes a plurality of parallel shunt branches, and an input end of each shunt branch is connected to an output end of the power supply conversion module; each shunt branch has a current detection unit, an adjustable resistor, and a resistor adjustment drive unit; the current detection unit in each shunt branch can detect a current value of the shunt branch and transmits the current value to a single chip microcomputer; the single chip microcomputer compares a current set value set by a user and a current detection value, the resistor adjustment drive unit adjusts the resistance of the adjustable resistor in each shunt branch, the changed current detection value is identical to or similar to the current set value. The full electronic type multichannel constant current source can supply a constant current source to a plurality of test objects at the same time, and can perform adjustment and real-time monitoring on the output constant current source.

The invention discloses a comprehensive protection method for a direct-drive type permanent magnet wind generator. The comprehensive protection method comprises the following four technological processes operating synchronously: a protection process of cooperation of an overcurrent protection method, an over-temperature protection method and an insulation protection method, a protection process of cooperation of the overcurrent protection method, the over-temperature protection method and the insulation protection method, a protection process of cooperation of an unbalance degree protection method, the over-temperature protection method and the insulation protection method, and a protection process of cooperation of the over-temperature protection method and the insulation protection method, when any one of the above protection processes is judged to be required to be subjected to shutdown protection, other protection processes of the whole method are terminated and the generator is maintained and protected. The method can perform effective and perfect protection on the direct-drive type permanent magnet wind generator by the above processes, so as to solve the technical problems that the generator maintaining method in the prior art has limited effects and imperfection for protection.

The invention discloses a high-gloss colorful pearlescent PET master batch. The high-gloss colorful pearlescent PET master batch comprises, by weight, 75-85 parts of PET, 8-15 parts of PMMA, 3-8 partsof a toner, 0.2-3 parts of a scraping resistant agent and 0.1-0.5 part of a lubricant. A preparation method of the high-gloss colorful pearlescent PET master batch comprises the following steps: rawmaterials are weighed according to above weight part proportions, are added into a high-speed mixer, and are uniformly stirred, the obtained mixture is added into a homodromous double screw extruder,and is blended, extruded and drawn, the obtained mixture is pelletized to obtain a preliminary master batch, and the preliminary master batch is dried to obtain the finished master batch. Compared with the prior art, the preparation method prepares the high-gloss colorful pearlescent PET master batch with a face pearl-like gloss without adding pearl powder; and he pearlescent master batch has theadvantages of good dispersibility and tinting strength, dust-free and environmentally-friendly processing and using process, simple manufacturing technology, low production cost and wide uses.

System and methods for distributed processing are provided. The distributed processing system may include a control node, a first computing node, and a second computing node. The control node may obtain a type and a characteristic identifier of to-be-processed characteristic data. The type may be used to identify a home computing node to process to-be-processed characteristic data. The home computing node may be an identified one of the first computing node or the second computing node. The control node may determine process index information based on the characteristic identifier. The control node may schedule data index information corresponding to the to-be-processed characteristic data to a processing process on the home computing node according to the process index information. The data index information may be used for instructing the home computing node to obtain the to-be-processed characteristic data so that the home computing node may processes the to-be-processed characteristic data.

The invention relates to the technical field of underwater acoustic communication, in particular to a soft-in soft-out self-iterative soft equalization underwater acoustic communication method based on a receiving hydrophone array. The method comprises the following steps that a communication transmitting terminal carries out channel coding on a binary information bit stream b by adopting binary quasi ring low-density parity check code coding; after a transmitting signal passes through a multi-path extended channel, the transmitting signal reaches a receiving end of each hydrophone in the receiving hydrophone array; and each receiving hydrophone is taken as a branch equalizer of a self-iterative equalizer. In comparison with the conventional underwater acoustic channel equalization method, the multi-path interference can be effectively reduced, the communication performance is improved and approaches to an optimal MAP equalization algorithm, and the complexity is lower. In comparison with the conventional underwater acoustic channel equalization method, the reliability of the method is improved by more than 30%.

The invention is suitable for the technical field of the data processing, and provides a data storing and calling method and device. The method comprises the following steps: constructing a redis storage system in a system; storing intermediate data and calling the same through the redis storage system in the process of performing auto insurance data issuing by the system, thereby finishing an interaction operation between the system and the associated service system. By using the method disclosed by the invention, the intermediate data is prevented from being stored in the session of the server, the stability of the intermediate data storage is enhanced by using the redis, a problem that the storage capacity and performance of the data is limited in the system is effectively solved.

The invention discloses a positioning structure of an embedded hardware in an injection molding die. The positioning structure comprises a plurality of positioning pieces, wherein the positioning pieces are provided with fixed ends suitable for being fixed to a die body of the die and positioning ends extending into a die cavity when the fixed ends are fixed on the die body of the die; at least one positioning piece is an insert; and a positioning groove suitable for embedding of the embedded hardware is arranged in the positioning end of the insert. According to the positioning structure of the embedded hardware in the injection molding die, the mounting difficulty of the hardware is low, the time for mounting the hardware into the mold is short, the labor cost is saved, and the problems that the effect of fixing the whole hardware serving as the insert in a hardware connecting piece fixing mode during injection molding is limited, the hardware is punched to deviate and move by injection molding materials, and the product size is out of tolerance in the prior art can be effectively solved.

A system and a method is configured for transferring dynamic data in real time through wireless, server-less communication between a immobile computing device and a mobile computing device.

An electronic control system (35) for a turbopropeller (2) having a gas turbine engine (20) and a propeller assembly (3) coupled to the gas turbine engine (20), the control system (35) having: a propeller control stage (35a), implementing a closed loop control for controlling operation of the propeller assembly (3) based on a scheduled propeller speed reference (Nrref) and a propeller speed measure (Nr); a gas turbine control stage (35b), implementing a closed loop control for controlling operation of the gas turbine engine (20) based on a scheduled reference (Ngdotref) and at least a feedback quantity. The control system (35) further envisages an auxiliary control stage (35c), coupling the propeller control stage (35a) and the gas turbine control stage (35b) and determining a limitation of the operation of the gas turbine engine (20), if a propeller speed overshoot is detected, with respect to the propeller speed reference (Nrref).

The invention relates to a clamping table for machining slanting tee joint valves. The clamping table for machining the slanting tee joint valves comprises a first worktable, a guide track beam, a second worktable, a clamp table, a stud, a positioning bolt, a pressure plate, a front V-shaped positioning block, a rear V-shaped positioning block and an auxiliary supporting rib, wherein the first worktable is connected with the second worktable through the guide track beam; a slot which is in sliding fit with the guide track beam is formed in the lower end of the clamp table; the stud is vertically mounted at the left upper end of the clamp table; the pressure plate is mounted on the stud in a sleeving manner, and is positioned on the stud by matching the positioning bolt and threads of the stud; the front V-shaped positioning block and the rear V-shaped positioning block are fixed on the clamp table from front to back; the auxiliary supporting rib is horizontally fixed at the right upper end of the clamp table; and the front end and the rear end of the auxiliary supporting rib are respectively connected with the front V-shaped positioning block and the rear V-shaped positioning block correspondingly. The clamping table for machining the slanting tee joint valves has the advantages of reasonable structural design, low production and manufacturing cost, convenience in operation and use and the like; and the slanting tee joint valves with different gradients can be clamped and positioned.