178 results about "Wave effect" patented technology

A method for removing the air wave effect from offshore frequency domain controlled source electromagnetic survey data. The region of interest is modeled with (111) and without (113) a top air layer. The electromagnetic field due to the source is computed at the survey receiver positions for each source position for both models. The difference between the fields computed (116) from the two models is the air wave effect, which is then subtracted (117) from the field data for the corresponding source-receiver geometry.

The invention belongs to the field of textile printing and dyeing and particularly relates to a method for low-temperature ultrasonic dyeing and soaping of short fiber by using a Chinese herbal medicine plant dye. The method is characterized in that, during the dyeing and the soaping processes, two types and more than two types of ultrasonic waves with different frequencies are combined for assistance, wherein during the dyeing process, the frequency selection range of the ultrasonic waves is 20KHz-28KHz, the dyeing temperature is 15 DEG C-35 DEG C, the dyeing treatment time is 10-60min, and the total intensity of the multi-frequency ultrasonic waves is 0.1-0.8W/cm<2>; and during the soaping process, the frequency selection range of the ultrasonic waves is 28KHz-55KHz, the soaping temperature is 20 DEG C-35 DEG C, the soaping time is 5-30min, and the total intensity of the multi-frequency ultrasonic waves is 0.2-1W/cm<2>. Compared with the prior art, the mehtod disclosed by the invention has the advantages that, under the low-temperature condition, the ultrasonic wave effects can be improved over one time in comparison with the single-frequency ultrasonic waves, the high-temperature damages can be avoided, and the uniform dyeing property of dyeing of the natural dye can be improved.

A method for permanently changing the shape of keratinic fibres and a kit-of-parts comprising the agents (a), (b) and (c) packaged separately. The method comprises applying a permanent waving agent (a) to the keratinic fibres, leaving agent (a) to take effect for a period of from 2-60 minutes, rinsing out the agent (a) from the keratinic fibres, applying agent (b) to the keratinic fibres, leaving agent (b) to take effect for a period of from 2-60 minutes, rinsing out agent (b) from the keratinic fibres, applying agent (c) to the keratinic fibres, leaving agent (c) to take effect for a period of from 2-60 minutes, and rinsing out agent (c) from the keratinic fibres. The permanent waving agent (a) includes one or more keratin-reducing compounds, the cosmetic agent (b) includes one or more aliphatic C₂-C₈ dicarboxylic acids and/or physiologically acceptable salts thereof, and the fixing agent (c) includes hydrogen peroxide.

A grid-connected inverter electric network harmonic wave effect inhibiting method based on LCL filtering belongs to a method of inhibiting voltage disturbance of an electric network by a grid-connected inverter. According to the method of the invention, outputting admittance of the grid-connected inverter is corrected. The grid-connected inverter electric network harmonic wave effect inhibiting method comprises two steps: 1. introducing an electric network voltage bandpass feedforward at a preset harmonic frequency in a grid-connected inverter current control loop, and through output admittance correction at the frequency, establishing a bandpass filter parameter design principle; 2. similarly introducing the bandpass filter into a phase-locked loop control loop, correcting an additional admittance item which is introduced by the phase-locked loop, further maximally reducing the output admittance amplitude of the grid-connected inverter at the preset frequency, thereby realizing electric network harmonic wave attenuation. The grid-connected inverter electric network harmonic wave effect inhibiting method has functions of: settling defects of compensation error in unit feedforward of electric network voltage and high difficulty in introducing a differential item into full feedback of the electric network voltage, preventing system stability reduction caused by adding the harmonic wave compensator into the current controller, and realizing relatively high electric network harmonic wave inhibiting capability and high reliability.

The present invention pertains to a hair treatment composition that contains (a) a specific long-chain acylsulfonate type of anionic surfactant (such as an N-stearoyl-N-methyltaurine salt), (b) a higher alcohol, (c) an anionic polymer, and (d) a reducing agent or an oxidant, in which the combined amount of component (a) and component (b) is 0.5 to 10 weight %, and the molar ratio of component (b) to component (a) is 2 to 10, and provides a hair treatment composition that does not drip off when applied, that is easy to rinse and wash away, that has an excellent feel during and after rinsing, and that does not impair permanent hair treatment effects such as a waving effect, straightening effect, or retexturizing effect.

The invention relates to a method of pressing ghost waves of marine variable-depth cable earthquake data. The method comprises the following steps: firstly, transforming variable-depth cable earthquake data to a frequency domain; then, fitting frequency spectrum in the frequency domain, so that the difference between the frequency spectrum of the synthesized data and the frequency spectrum of the actually received data is extremely small, and the ghost wave pressing problem is transformed into a frequency spectrum fitting inversion problem. According to the characteristic of the variable-depth cable data, in an inversion process, a horizontal restrain item is introduced, so that the frequency spectrums on a trapped wave point position supplement with one another horizontally. The method of pressing ghost waves of variable-depth cable data disclosed by the invention is adopted, so that gradation is distinct; the transverse restrain item is adopted and a restrain factor is used to control the transverse restrain item, and therefore, the tapped wave effects of the ghost wave-pressed earthquake data are corrected in the frequency domain very well, the noises can be restrained very well in a time domain, and very good ghost wave pressing effects are achieved. The method disclosed by the invention can be directly used to a treatment process of acquired marine variable-depth cable earthquake data.

The invention provides an analyzing method for parametric-excitation and vortex-induced vibratory fatigue of a deep-ocean top tension riser. The analyzing method comprises 1) taking regard of vortex induced lift caused by ocean current and parametric excitation caused by platform heave, and establishing a parametric-excitation and vortex-induced vibration model for the riser; 2) calculating heaving movement of a platform under wave effects according to on-site measuring results or a numerical method, and determining the parametric excitation of the riser; 3) analyzing stability of the parametric excitation of the riser, and ensuring that the parametric excitation of the riser is within a stable range; 4) calculating parametric-excitation and vortex-induced vibration response of the riser, and obtaining a time-history stress curve for each point of the riser; 5) calculating a stress cycle index of each point of the riser in a rain-flow counting method; and 6) calculating a fatigue life of the riser via a Miner damage cumulating theory and an S-N curve method. The analyzing method of the invention overcomes the disadvantage that present fatigue analysis based on vortex induced vibration tends to be unsafe, and enables fatigue damage analysis of the riser to satisfy practicality better.

Present invention provides joint moment transducer capable of self eliminating harmonic influence. It includes moment inputting disk, moment outputting disk, four transducer straining beams, and eight strain gauges, wherein two ends of four beams integrally connected respectively with moment inputting disk outer edge and inner edge, and rectangular distribution along circumference, each straining beam respectively fixed with two strain gauges, eight strain gauges constituting two holotype full bridge. Said invented two full bridges present quadrature distribution, making output torque carried harmonic mutually counteracted. Said invention can effectively restrain influence to output signal of harmonic speed reducer output pulsation, improving transducer output signal quality raising robot behavioral control precision.

The invention relates to a suspended ceiling construction method, in particular to a construction method of a large-space multi-layer multi-curved-surface special-shaped aluminum magnesium alloy profile suspended ceiling. The large-space multi-layer multi-curved-surface sound-absorption board suspended ceiling is designed, the characteristics of being large in space and having multiple layers and multiple curved surfaces are achieved, the macro height staggered effect of the suspended ceiling is achieved through the length sizes of suspenders, and the micro wavy curved surface effect of the top face of the suspended ceiling is achieved through staggered use of suspended ceiling shaping boards. Curved surface modeling of the suspended ceiling is achieved through special-shaped steel board components, the wave effect of the suspended ceiling is achieved through combined utilization of two kinds of special-shaped panels, an efficient process is provided for construction of the complex curved-surface suspended ceiling, the suspended ceiling achieves the streamline performance better, and the aesthetic concept of a designer is perfectly achieved. The large-space multi-layer multi-curved-surface suspended ceiling is attractive and elegant in material object, magnificent in momentum and strong in artistic effect and is praised by building units and supervising units unanimously. The construction method of the suspended ceiling achieves the very good effect in actual construction.

The invention provides a real-time shallow water simulation method, which comprises the following steps of: simulating optical property of water wave surface to obtain a simulated water wave real-time fluctuation effect diagram; setting a simulated water surface network lighting model to obtain the simulated water surface network lighting model; and carrying out illumination rendering to the simulated water wave real-time fluctuation effect diagram by using the water surface network lighting model to obtain a simulated water wave real-time illumination fluctuation effect diagram. The method can realize water wave effects such as water real-time reflection, water real-time refraction, water real-time fluctuation and the like by simple calculation only.

The invention relates to the technical field of computer graphics technology, and in particular relates to an optimization method of skeletal animation rendering, which comprises the following steps of: depending on a required water surface effect, making a corresponding Bump map by a graphic designer, for simulating a water surface height; by a vertex texture technology, disturbing on a grid height of a water surface in a vertex Shader, and reducing a calculation amount to the greatest extent through the Bump which reads a normal and a height, to achieve a real effect; meanwhile, aiming at the characteristic of comparatively serious consumption of the vertex texture filter, a height map is optimized and stored, so that the times of texture addressing is greatly reduced, and the water surface rendering depend on a normal map to implement illumination calculation because the normal map can faithfully represent all details under a high-frequency waveform. In addition, a low-frequency and high-amplitude wave is used for disturbing the water surface grid; and a water surface model is based on overlap of a plurality of height maps which are segmented on both space and time.

A shock mitigation system for a hydrofoil marine craft is provided, the shock mitigation system includes a pair of stacked lifting bodies, where an upper lifting body is used to provide initial lift for the craft. To mitigate the wave effects on the craft when operating at cruise speed, the distance between the upper lifting bodies and the waterline is proportionally related to the operational wave height. When operated within the selected operational parameters, the distance between the upper lifting bodies and waterline prevents the upper lifting bodies from becoming wetted and producing sudden increases in lift from wave impact.

A method for acquiring seismic data. The method may include towing an array of marine seismic streamers coupled to a vessel. The array includes a plurality of receivers and a plurality of steering devices. The method may further include steering the array of marine seismic streamers to be towed along two or more depths, and steering the array of marine seismic streamers to a slant from an inline direction while maintaining the array of marine seismic streamers at their respective two or more depths.

The invention discloses a transmission method for a depth datum plane for water depth measurement, and belongs to the field of hydrographic surveying and charting. The transmission method comprises the following steps: carrying out wave effect correction and static draft correction on ground high-water-level data measured by a ship-mounted GNSS during water depth measurement, carrying out calculation by using observation data in a drift time period and a depth measurement period, separating out dynamic draft, calculating a clear ground height reflecting a water level change, then calculating a datum plane deviation between a reference ellipsoidal surface and a local depth datum plane in a measurement region through the least square fitting method, so as to convert a ground high water level measured by the ship-mounted GNSS onto the local depth datum plane in the measurement region, and finally, carrying out water level control on a water depth measurement result through the converted water level, so as to convert the water depth measurement result onto the local depth datum plane. The method is easy to operate, reliable in quality, can accurately reflect a relative change of the water level in the measurement region, is relatively high in conversion precision and has a certain application value.

The invention discloses an oil collection head of an overflowing oil collection device for water surface floating oil gathering. The oil collection head comprises an oil collection device located at the central position of a cavity floating body, and an annular oil suction cavity is fixed to the outer wall of the cavity floating body; the annular oil suction cavity is formed by a plurality of independent oil suction frame plates in a surrounded manner; each oil suction frame plate is filled with three-dimensional nano sponges, and the lower end of the inner side of each oil suction frame plate is provided with an oil collection channel leading to one end of the oil collection device; an oil collection opening is formed in the oil collection device, and the oil collection opening is connected to a buffer tank of the overflowing oil collection device through an oil suction hose; and the three-dimensional nano sponges are silicone rubber-silicone oil modified nano sponge materials, the nano sponges serve as a base body, and a silicone rubber-silicone composite material serves as a covering film. The oil collection head is suitable for a water face with a thick oil layer and also suitable for a water face with a thin oil layer, the oil collection head is high in oil suction efficiency, small in wave effect and low in water containing rate of recycled oil, the precious site pump power and storage resources are saved, and cost of oil and water separation in the later period is reduced.

The invention discloses a longitudinal-vibration analysis method of a pile foundation in a radial-heterogeneity and longitudinal-stratification soil body. For the soil body around a pile, a three-dimensional axisymmetric model is adopted, vertical wave effect is considered, and the soil body around the pile is divided into any number of layer sections along a longitudinal direction; each layer section of the soil body around the pile is divided into an internal disturbance zone and an external zone along a radial direction; the internal disturbance zone is divided into any number of circle layers along the radial direction, and each circle layer of the soil body is respectively a homogeneous, isotropic, linear and viscoelastic body; a soil body in the external zone infinitely extends alongthe radial direction; for soil body material damping, viscous damping is adopted to establish a longitudinal-vibration equation of the soil body around the pile and a pile body under a three-dimensional axisymmetric condition according to basic theory of elastic dynamics; and Laplace transform and a method of separation of variables are used to solve the vibration equation to obtain a time-domainvelocity response function of any excitation force acting on a pile top.

A gesturing inflatable doll has a body and an inflator. The body has a primary portion and a secondary portion. A membrane with vent holes is mounted between the primary portion and the secondary portion. The inflator has a first air blower to draft external air into the body, and a second air blower is provided on the membrane to pump the air from the secondary portion to the primary portion. Hence, with the alternating operation of the second air blower, the secondary portion can be lowered or raised to achieve a dynamic waving effect with the doll.

The invention provides a solar cell structure with wide spectrum high absorption. The structure comprises: a p type or lightly doped n type silicon layer; a sulfur system element doping layer which is silicon material doped with sulfur system elements, wherein the sulfur system element doping layer is manufactured on the p type or lightly doped n type silicon layer, a surface of the sulfur system element doping layer is provided with sharp cone structures in array succession, and a gap bottom between the sharp cone structures has deposited silver nano particles; a plurality of upper surface contact gate electrodes which are manufactured on surfaces of the sharp cone structures; and a lower electrode which is manufactured at a back side of the p type or lightly doped n type silicon layer. According to the structure and the method of the invention, light absorption and photoelectric conversion efficiency can be raised. Simultaneously, the structure and the method have the characteristics of simple technology, low cost and the like. Simultaneously, the silver nano particles which play a catalysis role in technology also can be utilized to generate a surface plasma wave effect to attain two objectives by a single move.

The invention discloses a railway tunnel for buffering the aerodynamics effects of a high-speed train in the tunnel. First well mouths are formed at the top or two sides of a tunnel lining; second well mouths are formed in the middle of a ballastless track; a vent pipeline is arranged between rock and the tunnel lining, one end of the vent pipeline is communicated with the first well mouths, the other end of the vent pipeline is communicated with the second well mouths, and ventilation structural bodies are formed by the first well mouths, the second well mouths and the vent pipeline; the ventilation structural bodies are arranged on the tunnel in the length direction at intervals. The various aerodynamics effects including transient pressure in a hole, the hole opening micropressure wave effect, pneumatic loads in the tunnel and locomotive resistance are buffered.

The present invention discloses one kind of intelligent marcel waver and relates to one marcel technology combining image scanning, image synthesis and computerized intelligent analysis and treatment to form the required hairstyle finally. The intelligent marcel waver includes a marcel waver and an intelligent controller. The marcel waver comprising right and left handles, metal heating elements on the handles, detachable comb sleeve on the heating elements and power cord completes the marcel waving operation; and the intelligent controller consists of a user operation interface, a microprocessor, an image scanning module, an image processing module, a client message database and a hairstyle design database. The present invention can design various kinds of hairstyle intelligently, preview the marcel waving effect and make marcel waving humanized and fashionable.