85results about How to "Optimize the duration" patented technology

A method for the acquisition of measurement data of a breathing examination subject by magnetic resonance includes the following steps: (a) detect the physiological breathing signal of the examination subject with a breathing signal detection unit, (b) evaluate the detected breathing signal in an evaluation unit, (c) based on the evaluated breathing signal, calculate in a computer at least one parameter affecting the type of acquisition of measurement data by means of magnetic resonance, (d) detect a current physiological breathing signal with the breathing signal detection unit, (e) compare the last detected breathing signals with at least one trigger condition, (f) initiate the acquisition of measurement data using the calculated parameter from step (c) upon satisfaction of the trigger conditions from step (e), (g) repeat the steps (d) through (f) until all desired measurement data have been acquired, and (h) store and / or process the acquired measurement data in a memory and / or processing unit. After the evaluation of the detected breathing signal, at least one parameter of a following acquisition of measurement data is thus determined automatically without an input by an operator of the MR apparatus in use being required.

The invention discloses an effective method for solving multi-target resource-constrained project scheduling. The method comprises the following steps: (1) establishing a multi-target resource-constrained project scheduling mathematical model based on duration-cost optimization; (2) generating an initial feasible scheduling sequence; (3) evaluating the scheduling sequence; (4) updating the scheduling sequence; (5) configuring non-dominated disaggregation operation; (6) maintaining an external archive set; and (7) performing updating iteration till an optimal solution set is output. According to the method disclosed by the invention, each intelligent body corresponds to a linked list sequence in a scheduling problem, the scheduling sequence of a task linked list and a corresponding execution mode sequence are coded respectively, decoding operation is performed by adopting a serial method, and evolution and update are performed among the linked list sequences through competition, intersection and self-learning; and a project scheduling plan is adjusted, so that comprehensive optimal duration and cost are realized within a control period on the premise of satisfying conditions such as timing constraint and resource constraint.

The invention discloses a simple manual spiral earth fetching device for reinforcing a pile core of a pre-stressed pipe pile, which can solve the problem that gravel, brick blocks, hard rock and soil and other various sundries are mingled in the pile core of the pre-stressed pipe pile. The earth fetching device comprises a drilling rod, a force-adding rod and a lifting mechanism, wherein the lifting mechanism is connected with the upper end of the drilling rod, spiral earth rolling blades are arranged on the side surface at the lower end of the drilling rod, a plurality of plug holes are arranged on the side surface of the drilling rod, and the force-adding rod is in plug-in connection with the plug holes. The spiral earth rolling blades are provided with a cavity with an upward opening as a whole. A spiral drill tip is arranged at the lower end of the drilling rod. The lifting mechanism comprises a simple tripod and a fixed pulley component. Alloy steel rake teeth are welded at the lower ends of the spiral earth rolling blades. By adopting the simple manual spiral earth fetching device, the actual needs for fetching earth for specific small pile-diameter pipe cores can be satisfied, the simple manual spiral earth fetching device is particularly applicable to applications under dense pile heads and complex site conditions, the construction efficacy is high, the operation is high, the construction difficult problem of fetching the earth for the small pile-diameter pipe cores can be well solved, and the simple manual spiral earth fetching device is safe and convenient.

The invention relates to a water-permeable pavement paving board and a water-permeable pavement paving structure. The water-permeable pavement paving board comprises a water-permeable veneer layer and a water-permeable substrate layer, the water-permeable veneer layer is installed on the water-permeable substrate layer, and a reinforced fiber layer and water-permeable water guide pipes are arranged in the substrate layer. According to the water-permeable pavement paving board, the structure is simple, the physical size can be adjusted according to the design requirements, and due to the fact that the board is pre-manufactured and formed in a factory, the quality can be guaranteed; by arranging the reinforced fiber layer in the substrate layer, the strength, the cracking resisting and toughening properties, the corrosion resistance, the durability and the like can be enhanced; by arranging the water-permeable water guide pipes in the substrate layer, rainwater collection and utilization are promoted.

The invention provides an overall longitudinal movement and lifting construction method for a large steel pipe arch, which comprises the steps: dividing the whole steel pipe arch into a central main arch section and abutment sections at both ends, wherein the weight of the main arch section is limited to not exceeding the maximum carrying capacity of a main bridge steel beam during division; assembling the main arch section on a main bridge approach bridge, wherein when a main bridge continuous beam is constructed, lifting towers for lifting the main arch section are respectively arranged at both ends of a main bridge, and after closure of the main bridge continuous beam is completed, the main arch section is smoothly, continuously and longitudinally moved to a designed lifting position ofa main span; installing the two abutment sections at both ends of designed abutment positions of the steel pipe arch, then lifting the main arch section to a designed installation position by using the lifting towers, and connecting with the two abutment sections, thereby completing the installation of the steel pipe arch. The invention is not limited by the bearing capacity of the main bridge steel beam and the height of a longitudinal movement section, and the applicable range of a traditional longitudinal movement method is greatly expanded.

The present invention is new type of PHC pile and its water flushing-air lifting hydrostatic pile sinking process. The water flushing-air lifting hydrostatic pile sinking process includes the following steps: hydrostatic pile sinking in the surface soft soil layer; water flushing and air lifting hydrostatic pile sinking in the sand and pebble layer; and hydrostatic pile sinking in the soft soil layer or sandstone layer below sand and pebble layer until reaching the designed level. Compared with available perforating and pile grouting process, the present invention has 40-50 % lower cost and is superior in engineering quality, construction period and environment protection. The pile can penetrate any covering layer and its end can be reach ideal bearing course fast.

A vaginal lubricant comprising high molecular weight hyaluronic acid combined with low molecular weight hyaluronic acid and / or chitosan which has improved stability and which has applications in, for example, maintaining and / or promoting sperm motility.

The invention provides a grouting material and perfusion of the same into an enclosed steel die for reinforcement of steel concrete beams and columns, and relates to grouting materials and perfusion of the same into steel dies for reinforcement of steel concrete beams and columns. The invention is aimed to overcome the problem that compact pouring of concrete is difficult to realize when original concrete beams and columns are reinforced by using the method of enlarging sections. The grouting material is prepared by mixing P.052.5 ordinary Portland cement, a UEA expanding agent, an FDN high efficiency water reducing agent and water. According to the invention, stirrups are arranged below an original steel concrete beam and are fixedly connected with the original steel concrete beam through first connecting steel bars, loaded steel bars are fixedly connected with a bearer of the original steel concrete beam through second connecting steel bars, a U-shaped channel steel die is fixedly sleeved on the steel bars and the original steel concrete beam; anchor bolts are fixedly connected with the original steel concrete column, the loaded steel bars are arranged at external sides of the original steel concrete column and are strapped by the stirrups, the loaded steel bars are in fixed connection with an upper bearer and a lower bearer of the original steel concrete column through the first and second connecting steel bars, steel templates are cladded over the stirrups, and the grouting material is perfused into an enclosed perfusion cavity. The invention is applicable to reinforcement of steel concrete beams and columns.

The invention provides a detachable triangular scaffold and a steel truss assembly construction method. The scaffold is of a triangular connected structure, and comprises main vertical rods, bottom cross rods, top steel beams, connecting plates, diagonal rods, bolts and the like. The rods are connected by the bolts in a positioning manner, and positioning holes are reserved at the top of each steel beam and used for controlling the axis position of a steel truss. The detachable triangular scaffold is capable of achieving on-site repeated assembling of ultrahigh ultra-wide steel members, and can be widely applied to the field of steel structure assembly construction.

A diving mask including at least one lens, a facepiece made of a soft and elastically yielding material, provided with at least a front positioning opening that positions the at least one lens, and a rear profiled element that rests on a user's face. Also included is a rigid frame that includes a first frame element and a second frame element anterior to the first frame element, fixed to one another such as to guarantee a seal between the facepiece and the lens. The front positioning opening of the facepiece can exhibit, along a perimeter edge thereof, a hollow positioning flange for the first frame element, the hollow positioning flange extending from an internal side of, and at least partially posteriorly to, the front positioning opening of the facepiece.

An ignition cable constructed according to a method for optimizing an ignition cable, the cable comprising at least a capacitor, where the ignition cable carries current from a power source to a spark plug located in a combustion chamber. The ignition cable comprises a center element structured to communicate electric current from the power source to the spark plug and an insulator surrounding the center element. The conductor removeably coupled to a ground, and surrounds at least a portion of the insulator. The center element, insulator and conductor comprise a capacitor having an optimal capacitance value that is determined by finding a maximum capacitance value and subtracting a safety margin.

The invention relates to a one-way bolt connection node between a rectangular steel pipe concrete column and H-type girders. The one-way bolt connection node comprises a rectangular inner partition plate, two girder-end extension end plates and two partition plate-end extension end plates, and is characterized in that the two partition plate-end extension end plates are fixedly connected with two ends of the rectangular inner partition plate and placed on the column wall inner side of the rectangular steel pipe concrete column; the two girder-end extension end plates are respectively and fixedly connected with end parts of the two H-type girders; a plurality of bolt holes are formed in the corresponding positions of the two girder-end extension end plates, the two partition plate-end extension end plates and the column wall; the girder-end extension end plates, the column wall and two partition plate-end extension end plates, which are located on the same side of the rectangular steel pipe concrete column, are fixedly connected through a plurality of one-way bolts. The node, disclosed by the invention, causes less destruction to the steel pipe column, improves the bearing capacity, is free of weld joint, and shows not obvious stress concentration phenomenon; furthermore, the node can enable the girder locating construction to be convenient, and facilitates factory-like prefabrication and field assembly, so as to increase the field construction efficiency.

The invention relates to measuring devices of an electrostatic Fourier transform mass spectrometer and measurement methods for the acquisition of mass spectra with high mass resolution. The measuring device includes electrostatic measuring cells according to the Kingdon principle, in which ions can, when appropriate voltages are applied, orbit on circular trajectories around the cylinder axis between two concentric cylindrical surfaces, which are composed of specially shaped sheath electrodes, insulated from each other by parabolic gaps, and can harmonically oscillate in the axial direction, independently of their orbiting motion. In the longitudinal direction, the two cylindrical surfaces of the measuring cell are divided by the parabolic separating gaps into different types of double-angled and tetragonal sheath electrode segments. Appropriate voltages at the sheath electrode segments generate a potential distribution between the two concentric cylindrical surfaces which forms a parabolic potential well in the axial direction for orbiting ions. The ion clouds oscillating harmonically in the axial direction in this potential well induce image currents in suitable electrodes, from which the oscillation frequencies can be determined by Fourier analyses.

This invention decreases the energy consumption of electric or gas combustion clothes dryer appliances by providing solar energy input to the dryer from a roof or exterior wall mounted solar air heater. Required modifications to conventional dryers consist of eliminating the input of laundry room air and providing a new solar heated air supply. As applied to electrically heated clothes dryers, the invention has a potential to reduce the peak electrical utility loads during the summer months since the optimum time to operate the dryer system coincides with the peak load time of the local utility.

The invention provides a cast-in place pile reinforcing cage mounting and positioning method and an auxiliary device used for the cast-in place pile reinforcing cage mounting and positioning method. According to the cast-in place pile reinforcing cage mounting and positioning method, a positioning clamp frame is used for supporting, positioning and fixing a cast-in place pile reinforcing cage in acast-in place pile guide pipe. The positioning clamp frame is composed of a first fixed casing pipe, a second fixed casing pipe, two supporting rods, a middle casing pipe, a pipe body, an extension pipe, a fixing clamp bolt and a wheel, wherein the middle casing pipe is arranged at the rear end of the pipe body, the rear end of the extension pipe is inserted into the front end of the pipe body, the fixing clamp bolt is inserted into a fixing hole and a corresponding adjustment hole to fix the rear portion of the extension pipe in the pipe body, and the other ends of the two supporting rods obliquely extend outwards and are correspondingly connected with the first fixed casing pipe and the second fixed casing pipe. The cast-in place pile reinforcing cage mounting and positioning method andthe auxiliary device used for the cast-in place pile reinforcing cage mounting and positioning method have the advantages that the cost is low, operation is easy, labor and time are saved, the applicability is high, the mounting and positioning quality and speed of the cast-in place pile reinforcing cage are improved, the construction efficiency is improved, the construction period is shortened,and the using effect is good.

A method and apparatus are described including determining an inter-frame object displacement for each object in a left eye image frame pair, determining an inter-frame object displacement for each object in a right eye image frame pair, determining a convergence shifting field between each object in the left eye image and the right eye image pair, determining an amount of motion blur responsive to the inter-frame object displacement for each object in the left eye image frame pair, the inter-frame object displacement for each object in the right eye image frame pair, and the convergence shifting field between each object in the left eye image and the right eye image pair and adjusting the motion blur by the amount of motion blur.

The invention provides an application of a virtual construction equipment technology based on BIM in steel bridge engineering. Research is conducted from aspects such as a fundamental theory, a BIM technology, a virtual technology and technology applications, a theoretical framework of a virtual construction technology is provided, a simulation application model of the virtual construction technology is built, and based on an AECOsim-Building-Designer platform in Bentley series software, simulation function application is conducted. According to the application, through test and application offunction models built in the application in a practical engineering project, the effectiveness and the feasibility of those simulation models are verified, so that the construction process is effectively simulated, construction equipment resources are effectively simulated, utilization of the resources are effectively analyzed, optimization of construction duration-cost is effectively conducted,and an expected goal of the application is achieved.

A method to monitor an operating characteristic in a combustion engine: creating a monitoring matrix divided into a number of sections for storage of information, wherein each section is associated with specific intervals of engine speed ω and torque requested from the engine T1. When the engine is used during an operational time window with a pre-determined duration, measuring or estimating an operating characteristic and associating the characteristic with the monitoring matrix's respective section, associated with the current engine speed and the torque requested. For each section in the monitoring matrix, calculating at least one statistical parameter describing the operating characteristic associated with this section during the current operational time window; storing the statistical parameter(s) in the respective section. At the end of the operational time window, storing information in the monitoring matrix in an individual storage matrix associated with the operational time window, wherein the monitoring matrix is emptied of information.

A hold-time optimization circuit includes a correction circuit and a delay control circuit. The delay control circuit delays a clock signal for a delay time so as to generate a delay clock signal. The correction circuit generates a correction pulse signal according to transition edges of a data signal and transition edges of the delay clock signal. The delay time of the delay control circuit is optimized according to the correction pulse signal. The data signal is sampled according to the delay clock signal.

The invention discloses a high-rise intelligent three-dimensional production system for prefabricated components, and belongs to the field of prefabricated component production. The system comprises abottommost-layer raw material stacking area, multiple middle-layer component production areas, multiple upper-layer component curing areas, a transportation area and a carrying vehicle; the componentproduction areas and the component curing areas are arranged on two side surfaces of the transportation area, and are both provided with mold table support legs; component mold tables are placed on the mold table support legs; the transportation area consists of multiple vertical transportation elevators; and the vertical transportation elevators and the carrying vehicle cooperate to work. The intelligent production system adopts three-dimensional independent space structure, reduces the labor cost, improves the production efficiency, shortens the concrete strength curing time, and accelerates the construction progress; the curing of the prefabricated components is not influenced by the external environment, the temperature and the humidity, so that the production quality and the construction period of the prefabricated components are guaranteed; the curing insulation effect is good; the energy is saved; the steaming time is shortened; and the utilization rate of the component mold tables is improved.

The invention discloses a construction method of an anti-skid technology for a tile roof. The construction method comprises the following steps that S1, anti-skid and water-stop steel bar constructionis performed and includes the steps of manufacturing anti-slip water-stop steel bars and pre-burying the anti-slip water-stop steel bars; S2, anti-skid construction of a roof base layer is performedand includes the steps of roof bonding layer construction and roof insulation layer construction; S3, waterproof layer construction is performed; and S4, roof tile paving anti-sliding construction isperformed and includes the steps of steel bar mesh binding, Z-shaped steel bar binding and tile paving construction. The construction method is simple in technology, effectively solves the hidden danger of water leakage, is good in anti-skid effect, small in construction difficulty and short in construction period, and can be popularized and applied to the field of tile roof anti-skid.

The invention relates to a drilling and blasting tunnel structure adopting a prefabricated inverted arch. An arch part is an initial support of a tunnel; a secondary lining of a cast-in-place arch wall is arranged in the initial support of the tunnel; the lower end of the secondary lining of the cast-in-place arch wall and a fabricated inverted arch prefabricated block at the bottom are connectedinto a ring through a cast-in-place inverted arch lining; the end parts of both sides of the fabricated inverted arch prefabricated block are provided with fabricated inverted arch block two-side expansion ends; and the end faces are provided with tenons which are in butt joint with blind mortises on the end faces of the cast-in-place inverted arch lining. The drilling and blasting tunnel structure meets the requirements for the basic structural form of the tunnel fabricated inverted arch, and the inverted arch structure is prefabricated in factory-like and standardization modes, so that the reliable quality is ensured, and the quality, strength and other properties of a prefabricated component are much better than those of a cast-in-place structure.

The invention discloses an open-pit copper mine rock slope ecological greening system. The greening system comprises an open-pit copper mine rock slope, a geocell and a vegetation base material, the geocell is fixed on the open-pit copper mine rock slope through a steel bar anchor rod, the vegetation base material is filled in the geocell, the vegetation base material comprises copper tailings, plant fibers, low-alkali cement, an aggregate agent, a water-retaining agent, a pH regulator and an organic fertilizer, the vegetation base material comprises a vegetation base material bottom layer and a vegetation base material surface layer, and the vegetation base material bottom layer is arranged close to the open-air copper mine rock slope. According to the greening system, a large amount of tailing solid waste existing in a copper mine is used as a main raw material to prepare the slope greening planting base material, so that the purpose of treating waste with waste is achieved, the greening cost is reduced, pollution caused by tailing solid waste stockpiling is reduced, and the ecological environment of a mining area and the surrounding of the mining area is improved. The open-pit copper mine rock slope ecological greening system does not need large mechanical equipment during construction, and is simple and convenient in construction method, good in long-term stability, short in construction period and low in manufacturing cost.