1727results about How to "Improve operational flexibility" patented technology

Laparoscopic instruments and cannulas are provided for performing laparoscopic procedures entirely through the umbilicus. Generally S-shaped laparoscopic instruments placed through the C-shaped trocar sleeves or through the cannula and instrument holder unit provide markedly improved degrees of instruments' freedom during trans-umbilical laparoscopic procedures.

A metering system for controlling the flow of a fluid is disclosed. The metering system comprises a metering device, two input valves that actively control flow of fluid into the metering device, and two output valves that actively control flow of fluid from the metering device. The input and output valves are selectively opened and closed to cause metered amounts of fluid to be dispensed from the metering device through the output valves.

A hydrogenation method for producing high-quality diesel oil and high-quality reforming materials comprises the following steps of: mixing diesel oil and/or a light wax oil material with hydrogen gas, and sequentially contact-reacting with a hydrorefining catalyst and a hydrocracking catalyst without middle separation, cooling the reaction result, and separating to obtain a light naphtha fraction, a heavy naphtha fraction, a kerosene fraction, a diesel oil fraction and a tail oil fraction, wherein the kerosene fraction and/or the tail oil fraction can be directly extracted or partially or completely recycled back to the reaction system. By adopting single-stage once-through process and a non-noble metal catalyst, the invention can produce the reforming materials with high aromatic content and the diesel oil fraction with high cetane number, wherein the yield of the reforming material is larger than 20wt%, and the cetane number of the diesel oil fraction can be improved by more than 15 units. The method provided by the invention has high operation flexibility and can flexibly adjust the technical scheme according to different raw materials and different product scheme requirements.

A distributed interlocking device, architecture and process are disclosed, and are based on segregating the vital logic for a signal installation by type of signal equipment. A plurality of intelligent signal devices is disclosed, wherein each intelligent signal device is used to control a basic signal unit. In turn, a signal unit includes a set of signal apparatuses that are geographically and logically interrelated. An intelligent signal device receives data related to the states of other signal devices, determines and controls its own operational states, and communicates its own operational states to other devices.

A generic intelligent signal device is also disclosed, and is based on a parameterization approach that incorporates a plurality of vital parameters into the vital logic of the device. The device is then customized to a site specific location by activating the appropriate parameters for that location. In addition, a plurality of new concepts, and signal control functions are provided, and include a vital change management process, and a failure recovery scheme based on dynamic reconfiguration of home and distant control functions.

The invention discloses a preparation method of a non-noble metal/carbon composite material based on a metal-organic framework, comprising the following steps: (1) preparing a metal-organic frameworkcomplex; (2) placing the metal-organic frame complex obtained in the step (1), the non-noble metal compound and/or the heteroatom compound in an open container respectively, and placing the open container in a closed container for heat treatment to obtain a metal-organic frame complex composite material; (3) carbonizing the metal-organic framework complex composite material obtained in the step (2) in an inert atmosphere to obtain a non-noble metal/carbon composite material. The invention also correspondingly provides a non-noble metal/carbon composite material obtained by the preparation method and the application thereof. The preparation method of the invention can ensure the high dispersibility of the metal or the metal compound, greatly improves the utilization rate of the metal and has high catalytic activity.

An airfoil member, especially a rotor blade for a helicopter, includes an airfoil body and a servo-actuated flap tiltably connected to the airfoil body so as to form at least a portion of the trailing edge of the airfoil member. At least one piezoelectric actuator is arranged inside the airfoil member, and connected to the servo-flap via a transmission mechanism and a connecting rod linkage so as to tiltingly deflect the servo-flap as needed. Preferably, two counter-acting piezoelectric actuators are connected to the flap via respective transmission mechanisms and connecting rod linkages. An elongation of the piezoelectric actuators in the span width direction of the airfoil member is converted or redirected into an actuating motion in the chord length direction of the airfoil member by the transmission mechanisms. Orienting the actuators to have an elongation motion in the span width direction prevents the high centrifugal accelerations arising in the rotor blade from having negative influences on the operation of the actuators.

The invention discloses a view angle switchable liquid crystal display device and a view angle switching method thereof. The view angle switchable liquid crystal display device comprises a first substrate, a second substrate and a liquid crystal layer located between the first substrate and the second substrate, wherein multiple sub-pixel areas are limited on the second substrate, first electrodes are arranged on the surface, facing the liquid crystal layer, of the first substrate, second electrodes and third electrodes are arranged on the surface, facing the liquid crystal layer, of the second substrate, each first electrode comprises a first common connecting wire and a plurality of first electrode strips formed through extending of the first common connecting wire, each second electrode is a common electrode and comprises a second common connecting wire and a plurality of second electrode strips formed through extending of the second common connecting wire, the first electrode strips and the second electrode strips are arranged in a staggered manner, each second electrode strip is arranged in the middle of each sub-pixel area, the first electrode strips are arranged on two sides of each second electrode strip, the first electrode strips and the second electrode strips are not overlapped, each third electrode is a pixel electrode and is arranged in each sub-pixel area, and liquid crystal molecules in the liquid crystal layer are negative liquid crystal molecules.

The invention discloses a hydrogenation combined process. In the process, a reaction effluent from a middle-high pressure hydrogenation device with a pressure of more than 4.0MPa is subjected to gas-liquid separation in a high pressure separator, wherein the gas obtained by separation is used as circular hydrogen, and the liquid obtained by separation enters into a low pressure separator for further gas-liquid separation; and the liquid obtained by further separation is used as a product, and the gas obtained by further separation is used as hydrogen for a low pressure hydrogenation with an operation pressure of 2.0-3.0MPa. The reaction effluent is subjected to gas-liquid separation, the gas obtained by separation is discharged out of the device, and the liquid obtained by separation is the product.

Optical communications systems including grooming, protection, restoration, and migration on a unified network platform, and using a unified control plane. The systems may include combinations of optical bypass and mesh restoration, may include combinations of shared mesh and dedicate protection, and may be combinations of long haul, extended long haul, and ultra long haul systems. The systems may also include a configurable DWDM tier to accommodate dynamic traffic patterns, thereby allowing for increased operational flexibility.

The invention relates to the method to produce clean oil by coal tar, especially the hydrocracking technology of the coal tar. The characteristic of the invention includes: after removing the mechanical impurities and water, the coal tar enters the hydrogenation refining reactor to hydrogenate, remove the metal, remove sulphur, remove nitrogen and remove oxygen to get the refined oil; the refined oil enters the fractionator to separate the heavy magnesium carbonate distillate and the light magnesium carbonate distillate; part of the heavy magnesium carbonate distillate enters the refining reactor and the other part enters the cracking reactor or all the heavy magnesium carbonate distillate enters the cracking reactor to get the hydrocracked oil; the hydrocracked oil enters the fractionator to be separated into light magnesium carbonate distillate and heavy magnesium carbonate distillate. Compared to the present technologies, the invention can broaden the source for clean oil producing and improve the quality of the coal tar products; besides, the catalyst in the invention has long service life and the device can operate steadily.

The present invention is one process of hydrofining coked full fraction oil. Based on available process of hydrofining coked full fraction oil, new hydrogen of the system is used in further refining of diesel oil, so that diesel oil is refined under ideal thermodynamic and dynamic conditions. This results in high product quality, flexible, economic and practical technological process, less investment increment, fully utilization of heat energy and low operation cost. The present invention is suitable for reforming and constructing coked full fraction oil hydrofining apapratus.

An electromagnetic array includes a plurality of axially spaced electromagnets deployed in a non-magnetic housing. The array further includes an electrical module, such as a diode bridge, configured to provide an electrical current having a fixed polarity to at least the first electromagnet in the array. The array may be configured to generate a magnetic field pattern having (i) a single magnetic dipole when the array is energized with an electrical current having a first polarity and (ii) at least one pair of opposing magnetic poles when the array is energized with an electrical current having the opposite polarity. The invention provides multiple independent ranging methodologies for determining the relative position between the wellbores.

The invention provides a device for improving the quality of the coal by pyrolysis, comprising a rotary drier, a pyrolyzer and a heating rotary kiln. The rotary drier is used for receiving and drying raw coal with granularity being less than and equal to 30mm, and is provided with a sleeve structure to directly change heat between the raw coal and the hot flue gas and indirectly change heat between the raw coal and hot semicoke; the pyrolyzer receives mixture of the dried raw coal and the high-temperature semicoke by a feed line of solid material, directly changes heat between the raw coal and the hot semicoke, pyrolyzes the mixture, and is further provided with a heat clamping sleeve accompanied with high-temperature flue gas; and the heating rotary kiln is used for receiving the hot semicoke from the pyrolyzer and processing the hot semicoke by the means of heating. The device for improving the quality of the coal by pyrolysis has flexible operation, good quality of the generated semicoke and the generated tar, high cascade utilization of energy and high system thermal efficiency, properly solving the technical problems such as dust and tar blocking, high dust content in the tar, etc.

A touch-input device and an electronic device and a cell phone are described and include a touch acquisition module with an input area to execute touch acquisition operations. The input area includes a first area and a second area. A pointing object location module is used to determine the start location of the touch operation according to the data acquired by the touch acquisition module. A process module is used to calculate a first result indicating the coordinate of the pointing object according to the data acquired by the touch acquisition module when the start location of the touch operation is in the first area, and to calculate a second result indicating the movement of the pointing object according to the data acquired by the touch acquisition module when the start location of the touch operation is in the second area.

A process for preparing low-sulfur low-arylhydrocarbon clean diesel oil includes such steps as hydrorefining/hydrocracking raw hydrocarbon to obtain intermediate fraction oil, catalytic stripping to separate light fraction from heavy fraction, hydrorefining the light fraction to remove residual S and impurities, and catalytic stripping of heavy fraction for removing sulfure and arylhydrocarbon to obtain final product. Its advantage is cyclic use of two reactino segments for low cost.

A cervical tenaculum is provided having an applicator member with a longitudinal lumen and a tubular member dimensioned to reciprocate within the lumen. The applicator and tubular members are first connected one to the other by engaging protrusions extending from the distal end of the tubular member with matching grooves inside the lumen. After positioning the applicator member in the cervical os of a patient, the protrusions are disengaged from the grooves, and the tubular member is disconnected from the applicator member and removed from the patient. The applicator member instead remains positioned in the cervical os and provides access to the uterine cavity by a clinician. In different embodiments, the applicator member is frustoconical in shape and has one or more ridges disposed on its outer surface, and a control arm is connected to the applicator member for accurate positioning into the cervical os.

Embodiments of the application provide a method and a device for communication based on virtual numbers. The method comprises steps of receiving a communication message, for communicating with a second user, submitted by a first user, wherein the communication message comprises a first real number corresponding to the first user and a second virtual number corresponding to the second user; determining whether a preset corresponding relation exists between the first real number and the second virtual number or not; when the preset corresponding relation exists between the first real number and the second virtual number, extracting a first virtual number corresponding to the first real number and a second real number corresponding to the second virtual number; and sending a communication message sent by the first virtual number to the second real number. Leakage of personal information of users can be blocked, safety of personal information of both communication sides is effectively improved, and the both communication sides are prevented from being disturbed by others.

The invention provides equipment for recycling low-temperature heat of a lime kiln; the equipment mainly comprises the lime kiln, a working medium storage tank, a working medium preheater, a steam generator, a steam adjusting device, a steam turbine, a generator, a transmitter and a condenser. A working medium is preheated by using low-temperature gas of the lime kiln through the working medium preheater; the preheated working medium is converted into steam by using the heat discharged by heat-conducting oil through the steam generator; and then the generator is driven to generate power by utilizing the steam turbine, and the generated power can be supplied to electrical equipment of the lime kiln device, and also can be merged into a general power grid. When the power is insufficient, the power from the general power grid can be supplemented to power driving equipment of the lime kiln, therefore, the operation flexibility is high. By adopting the equipment, the low-temperature heat of the lime kiln can be fully utilized, meanwhile, the emission of greenhouse gases is reduced, and the production cost of lime is reduced. The equipment can be used for recycling the low-temperature heat of the lime kiln and also can be used for recycling the energy of other low-temperature heat source systems.

The invention discloses a multiple input multiple output (MIMO)-based downlink data transmission method, device and system. The method comprises the following steps of: receiving an uplink signal transmitted by a user terminal, executing uplink channel estimation based on the uplink signal to acquire corresponding uplink channel state information and converting the uplink channel state information into corresponding downlink channel state information; and calculating a pre-coding matrix aiming at the user terminal according to the acquired downlink channel state information, pre-coding downlink transmission data according to the acquired pre-coding matrix and transmitting the pre-coded downlink transmission data to the user terminal. Thus, the accuracy for acquiring the pre-coding matrix can be improved, the acquired downlink channel state information can be matched with the adopted pre-coding matrix, and optimal pre-coding is realized, so that the pre-coding gain is improved, and the system capacity is greatly improved.

The invention relates to a method for preparing glyceride rich in algal oil n-3 polyunsaturated fatty acid through the enzyme process. The method comprises the following steps: taking microbial algal oil as raw material, carrying out hydrolysis of part or all of algal oil respectively through controlling the hydrolysis rate under the catalysis of lipases to obtain glyceride partially hydrolyzed and free fatty acid; enabling the free fatty acid to enrich n-3 polyunsaturated fatty acid eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) through the urea adduct method to obtain an n-3 polyunsaturated fatty acid condensate; and taking the n-3 polyunsaturated fatty acid condensate and glyceride partially hydrolyzed as substrates, taking immobilized lipases as catalysts, and efficiently synthetizing glyceride rich in algal oil n-3 polyunsaturated fatty acid in an organic phase. The invention adopts a complete biological enzymatic enrichment process, the raw material is clean and safe, the process route is scientific and reasonable, the catalytic activity of enzyme is high, the catalyst can be recycled, the cost is low, the reaction condition is mild, the energy consumption is low, the environment is friendly, and the market prospect is wide.

Pyrolysis methods and apparatuses that allow effective heat removal, for example when necessary to achieve a desired throughput or process a desired type of biomass, are disclosed. According to representative methods, the use of a quench medium (e.g., water), either as a primary or a secondary type of heat removal, allows greater control of process temperatures, particularly in the reheater where char, as a solid byproduct of pyrolysis, is combusted. Quench medium may be distributed to one or more locations within the reheater vessel, such as above and/or within a dense phase bed of fluidized particles of a solid heat carrier (e.g., sand) to better control heat removal.

The invention discloses a plant cultivation LED light supplementing intelligent control system which comprises a control computer, a light supplementing controller, a temperature and humidity sensor, a luminance sensor and LED plant lamps. The output end of the control computer are connected with the first input end of the light supplementing controller, the output end of the temperature and humidity sensor and the output end of the luminance sensor are both connected with the second input end of the light supplementing controller, and the output end of the light supplementing controller is connected with the input ends of the LED plant lamps. By means of the plant cultivation LED light supplementing intelligent control system, manual intervention is not needed, light supplementing can be automatically carried out, the intelligent degree is high, and the proportion of the light intensity of red LEDs and blue LEDs can be adjusted, so that the plant cultivation LED light supplementing intelligent control system can be suitable for planting of different plants, and cost investment of the light supplementing lamps is reduced; it can be seen that the plant cultivation LED light supplementing intelligent control system further has the advantages of being high in operation flexibility, high in applicability and the like. The plant cultivation LED light supplementing intelligent control system can be widely applied to the field of plant planting.

The invention provides a supporting wheel type pipeline robot driving device which is characterized in that a supporting motor gear drives a front bearing embedded gear together with a screw rod to rotate; the rotation of a screw rod is converted to the translation of a nut along the axial direction of the screw rod by a thread pair; a lower supporting arm bracket fixedly connected with the nut synchronously moves along with the nut and controls a position of a lower supporting arm relative to supporting points of a middle shaft rack supporting roll and a main supporting arm, and then expansion/retraction of a supporting arm assembly, and compression on a pipe wall are realized to be adapted to variance in the pipe diameter; in addition, a travelling motor gear drives an inner gear ring and an outer gear ring in interference fit with the inner gear ring in an inner and outer sleeve gear assembly to rotate with a gear ring bearing inner race jointly, then the outer gear ring serves as a driving part to drive three travelling gear assemblies to input straight gears, and finally drives travelling wheels to rotate along the pipe wall. The supporting wheel type pipeline robot driving device is particularly applicable to intra-pipe travelling operation, and has the characteristics of the adaptive capacity to environment of a pipeline is high, a tractive force is high, and the operation is smooth and reliable.