344 results about "Structural type" patented technology

The invention is related to nuclear physics, medicine and oil industry, namely to the measurement of x-ray, gamma and alpha radiation; control for trans uranium nuclides in the habitat of a man; non destructive control for the structure of heavy bodies; three dimensional positron-electron computer tomography, etc.The essence of the invention is in additional ingredients in a chemical composition of a scintillating material based on crystals of oxyorthosilicates, including cerium Ce and crystallized in a structural type Lu2SiO5.The result of the invention is the increase of the light output of the luminescence, decrease of the time of luminescence of the ions Ce3+, increase of the reproducibility of grown crystals properties, decrease of the cost of the source melting stock for growing scintillator crystals, containing a large amount of Lu2O3, the raise of the effectiveness of the introduction of SCintillating crystal luminescent radiation into a glass waveguide fibre, prevention of cracking of crystals during the production of elements, creation of waveguide properties in scintillating elements, exclusion of expensive mechanical polishing of their lateral surface.

The invention discloses a preparation method of a metal toughened ceramic-based composite material turbine blade. According to the preparation method, the metal 3D (three dimensional) printing technology, the stereolithography rapid molding technology, the chemical vapor deposition technology and the gel-casting molding technology are combined, a metal toughened skeleton with desired structural type is manufactured by the 3D printing technology, and the metal toughened skeleton is embedded into a ceramic product to enhance the toughness of the ceramic turbine blade. By utilizing the preparation method, the metal toughened skeleton is embedded into a ceramic product to greatly improve the toughness of the ceramic product, and a silicon carbide ceramic material prepared by transforming a precursor has high strength. Compared with the conventional metal blade, by utilizing the metal toughened ceramic-based composite material turbine blade, the quality of the blade can be greatly lightened, and the thrust-weight ratio of an engine can be greatly improved.

The invention discloses step-type fish passage facilities suitable for the steep slope of a high dam and a control method, and relates to intersection fields of aquatic engineering and hydraulic engineering, in particular to a fishway building suitable for the steep slope of the high dam and a fish passage control method. The fishway in the invention is a step-type fishway building established onthe steep slope of the dam body, which is combined by step-type relays of a plurality of rectangular pools, and also comprises a fish passage monitoring system, a computer automatic control system, anoverflow water fish luring device in the fishway and a fish luring device of inlet and outlet of the fishway. The invention can lead the migratory fish to pass the dam timely without injure of the migratory fish and has the outstanding features of low physical ability consumption, no inverse effects on gonadal development, high automatic degree, relative shorter fishway (steep slope) and saving investment and the like, thus fundamentally changing the defect that other structural types of fishway pass through the high dam.

A type system employing structural subtyping is disclosed herein. A core type system supports several structural types, such as stream, choice, intersection and sequence. Also part of the core type system is a new invariant type, which denotes values whose dynamic type is the same as its static type, and type restrictions for limiting a range of a base type. Furthermore, a streamlined structural version of delegates, called structural delegates and a validation method thereof are introduce into the type system. To further facilitate type safety, strict statically checked interface casts are introduced.

The invention discloses a self-heating type alcohol reforming hydrogen production micro channel reactor with the micro-lug boss array structure. Three layers of platy reaction carriers are all provided with micro-lug boss array structures; an upper layer and a lower layer are single-side micro-lug boss array structures; a middle layer is a double-side micro-lug boss array structure; the micro-lug bosses are arranged in the mode of parallel array; the three layers are cascaded to form a reaction channel with an inlet of 90 degrees; both ends of the channel are respectively provided with connector lugs; the gas inlet is provided with a detachable adapter and an outlet is provided with a fixed-type adapter. An upper layer channel is a catalytic reforming hydrogen production channel, and a lower layer channel is a combustion channel. The two layers of channel structures both adopt an open structural type being beneficial for the sediment of the catalytic coating. Fuel gases such as hydrogen and the like are combusted in the combustion channel and generate lot of heat which is transferred into the catalytic reforming hydrogen production channel by the middle layer of the reactor so as to meet the requirement of the steam reforming hydrogen production reaction; the reactor can produce hydrogen in a self-heating type. The invention increases the specific volume of the reactor and increases the yield of the alcohol reforming hydrogen production.

The invention discloses an array antenna used for reducing radar scattering cross section, and mainly solves a problem of large scattering cross section of a present microstrip array antenna radar. The array antenna in the invention comprises a medium plate, a ground plate and n microstrip radiation units (2). The n microstrip radiation units (2) are on the upper surface of the medium plate (1). The ground plate (3) is on the lower surface of the medium plate (1). Structural type absorbing material arrays (4) are provided between each two adjacent microstrip radiation units, and N*M square metal pasters (5) are arranged as rectangular. The metal pasters (5) form inductances L. Connection resistors (7) connect adjacent metal pasters to form resistors R. Gap (6) between adjacent metal pasters (5) form capacitors C. The capacitors C, the inductances L and the resistors R form RLC resonance circuits. By adjusting resonance circuits frequency to superpose the resonance circuits frequency with antenna work frequency, absorption of vertical incident surface wave is realized. The array antenna used for reducing radar scattering cross section in the invention has the advantages of stable performance of reducing in-band and outband radar scattering cross sections of antenna and no influence on antenna volume, weight and cost.

Low-emission polymers that contain at least one zeolite of structural type ZSM-S.

The invention relates to a granary, a stored grain weight detection system and method and a sensor arrangement method, and provides the granary stored grain weight detection method based on the arrangement of two loops of sensors arranged on the bottom. The core technology comprises arrangement of inner and outer two loops of bottom pressure sensors, grain pile weight detection model based on bottom pressure intensity and side pressure intensity mean value estimation, and system calibration and modeling method and the like. The method has the advantages of high detection precision, low requirement for the performance of sensors, high applicability, simple device, convenient use and maintenance, and facilitating to carry out remote online granary quantity detection and granary condition monitoring and the like, and the demand for carrying out remote online quantity detection of grains stored in commonly-used granaries can be met. Since the detection method can be suitable for quantity detection of stored grains in a plurality of granary structures, the method has huge application value, and provides a new technological means for guaranteeing nation grain quantity safety.

The invention discloses a method for safe region evaluation of the filthy degree of an electric transmission line insulator. At present, most electric transmission line operation and maintenance units directly adopt an equivalent salt deposit density comparison method which has certain limitations. According to the method for safe region evaluation of the filthy degree of the electric transmission line insulator, through statistics and analysis of the distribution rule of dust density/equivalent salt deposit density ratios of the hot-line work insulator, the quantization relationship between the flashover voltage and the equivalent salt deposit density and dust density of the surface of the hot-line work insulator is obtained through experimental investigation; factors such as flashover voltage with 50% flashover probability, insulator serial type and the highest operation voltage of a transmission line are considered comprehensively, a safe region graph of the filthy degree of the electric transmission line insulator is drawn, and then the safety regions of various filthy degrees are obtained; the influence of the equivalent salt deposit density and dust density of the surface of the insulator are considered comprehensively, the structural type difference of insulators is considered, and therefore safe region evaluation of the filthy degree of the electric transmission line insulator can be achieved more accurately and visually.

A novel high resolution large visual field optical imaging system is composed of a share primary mirror, a microlens array and a detector array. The share primary mirror is in a holocentric spherical mirror structure, and the center of the share primary mirror is a spherical mirror. Two meniscus lenses are wrapped on two sides of the share primary mirror, and incident rays respectively pass through the share primary mirror and the microlens array, and finally reach the detector array for imaging. Through the computed imaging technology, image restoration is carried out on every sub-image (eliminating impact of spherical difference on image quality), and all sub-images are subjected to registration recombination to obtain a complete clear image. The novel high resolution large visual field optical imaging system is simple in structural type, and the visual field can reach 180 degrees in theory. The full visual field has a uniform resolution ratio, and combines with the computed image post processing technology, the systematic resolution ratio can be close to a diffraction limit in theory. The novel high resolution large visual field optical imaging system has the advantages of having an extra large visual field, a high resolution ratio, and the like, and particularly suitable for researching and finding of space targets in a wide range, air monitoring for a stratosphere, and the like.

The invention discloses a combined throat liner spraying pipe of a solid rocket engine and a manufacturing method. The spraying pipe comprises axisymmetric rotating body structural components comprising a convergent segment heat insulating layer, a throat liner, a backing, a diffusion segment heat insulating layer and a spraying pipe shell; the components are connected and sealed through steps formed by axial cylindrical faces and end faces so as to be assembled into the spraying pipe; and the throat liner is a combined throat liner and combined by connecting and sealing a plurality of throat liner blocks in a step manner. According to the combined throat liner spraying pipe of the solid rocket engine, the integral throat liner is divided into the multiple throat liner blocks each of a special structural type; every two throat liner blocks are connected and sealed through an assembling process so that the combined throat liner can be formed; and then the combined throat liner and the other axisymmetric rotating body structural components of the spraying pipe are assembled into the spraying pipe according to an existing corresponding assembling manner. Raw materials can be effectively saved, and the process preparing and machining cost is also reduced; and meanwhile, because the size of each single throat liner block is reduced, the thickness is reduced, the carburizing is even, and the product quality consistency can be guaranteed more easily.

The invention relates to a feed rate control system for five-axis digital control processing, which belongs to the technical field of mechanical digital control processing. The system comprises a processing code reading module, a coordinate transformation module and a feed rate optimization control module, wherein the processing code reading module is connected with the coordinate transformation module and the feed rate optimization control module and transmits the information of a coordinate position in a machine tool coordinate system; and the coordinate transformation module is connected with the feed rate optimization control module and transmits the information of a cutter location in a workpiece coordinate system. The system has high computational efficiency and is suitable for controlling the feed rates of five-axis linkage digital control processing codes of various structural types.

The invention provides a structural type triglyceride rich in medium-chain fatty acid and a preparation method thereof. The provided triglyceride is prepared from medium-chain fatty acid with a carbon number of 8-12, palmitic acid, glycerin, and long-chain unsaturated fatty acid/fatty acid ester through catalytic reactions. In the provided triglyceride, medium-chain fatty acid accounts for 11 to 40 wt% of total fatty acid; Sn-2 position saturated fatty acid accounts for 52 to 80 wt% of total saturated fatty acid; Sn-1,3 position unsaturated fatty acid accounts for 80 to 95 wt% of total unsaturated fatty acid, the content of Sn-USU type triglyceride is 40 to 80%, and the content of triglyceride palmitate is 3 to 8%. The provided triglyceride has the characteristics of medium-chain triglyceride and long-chain triglyceride; compared with the common medium/long-chain fatty acid edible oil, the provided triglyceride has richer structures, according to the product characteristics, and the provided triglyceride can be used as a food nutrient supplement and added in different food formulas. The preparation method has the characteristics of high production efficiency, low energy consumption, mild reaction conditions, little using amount of enzyme, more precise procedure, and effectively-reduced cost.

The invention discloses an information recommendation method and equipment and a storage medium. The method includes the steps of in a page in a preset structural type, collecting user behavior data;according to the user behavior data and various preset recommendation algorithms, screening out preference information in an internet; through a recommendation model which is pretrained and corresponds to the structural type, determining recommendation information in the screened out preference information and historical recommendation information and displaying the recommendation information in the page. According to the information recommendation method and equipment and the storage medium, when the recommendation model is used for determining the recommendation information, the preference information screened out by means of various recommendation algorithms and the historical recommendation information are adopted as reference, so that the determined recommendation information has higher pertinency and accuracy, the user experience is more excellent, and intelligent fusion of various algorithms is achieved.

The invention discloses an experimental device and a measurement method for ice layer rotary drilling cutting heat and drilling parameters. The experimental device is composed of a thermal couple, a wireless transmitter, a torque sensor, two pressure sensors, a flow meter, a pressure gage, a draw cord displacement sensor and a computer assembly. The measurement method includes several steps, wherein a first step is that temperature signals detected by the wireless transmitter are transmitted to a wireless receiving device on the computer assembly, and the signals are converted and then transmitted to a computer and displayed in real time in a dynamic mode through configuration software; a second step is that the rotation speed and the torque of a drill bit are detected; a third step is that the bit pressure is obtained through differential pressure; a fourth step is that the flow rate of drilling fluid and the pumping pressure are detected; a fifth step is that the average rate of penetration is obtained; and a sixth step is that the parameters, namely the bit pressure, the rotation speed, the flow rate and the average rate of penetration, can be adjusted through a drilling machine and a slurry pump. The experimental device and the measurement method for the ice layer rotary drilling cutting heat and the drilling parameters have the advantages that a blank on the aspect of ice layer rotary drilling cutting heat researches is filled, and a basis is provided for optimizing the combination of the drilling parameters and the structural type of the drill bit.

The invention belongs to the technical field of structural engineering, and particularly relates to a dual-cable separated type string truss and a construction method thereof. The dual-cable separated type string truss is installed on the tops of a plurality of supporting structure columns and comprises two upper chord members and two lower inhaul cables. The two upper chord members and the two lower inhaul cables are installed on the supporting structure columns. The two adjacent upper chord members are connected through a plurality of upper transverse supporting rods, and the two adjacent lower inhaul cables are connected through a plurality of lower transverse supporting rods. The construction method comprises the steps that machining and manufacturing of the rods of the truss and purchase of the inhaul cables and steel pull rods are conducted in a factory according to the building and structure design; then, splicing of the string truss is completed on a construction site, the inhaul cables and the steel pull rods are tensioned to be of the design value, and setting of prestress is completed; and finally, the string truss is wholly hoisted in place, and a support is fixed. The novel dual-cable separated type string truss and the construction method thereof have the advantages that the structural type is novel, the form is attractive, the overall stability is superior, the structural coordination performance is good, and construction is easy and convenient.

The invention discloses a method for classifying bioclastic limestone reservoir pore structures. The method comprises the steps as follows: a, nuclear magnetic logging, conventional logging and drilling coring are performed on a target well section in a researched block; b, matched high-pressure mercury injection and nuclear magnetic resonance experiments are performed on a core; c, the pore structures are classified into four types according to the capillary pressure curve shape, the pore throat distribution feature and oil-gas production capacity, and pore throat space bounds at different scales are determined; d, relaxation distribution ranges of different pore components of a nuclear magnetic resonance T2 spectrum are acquired according to the scales of the core; e, the classification standard of the pore structures is established according to the distribution condition of different pore components of the nuclear magnetic resonance T2 spectrum; f, the types of the continuous pore structures of the whole well section are recognized according to the nuclear magnetic logging information. The relation between mercury injection capillary pressure curve fractal features and diagenesis and pore throat distribution is fully mined, the ratio of different pore components is obtained in combination with nuclear magnetic information, the reservoir pore structures are classified more elaborately, and the problem about fine evaluation of the heterogeneous bioclastic limestone reservoir pore structures is solved.

The invention discloses a method for measuring the dynamic deflection of a bridge. The method includes steps of determining deflection measured points according to the structural type of the bridge, and mounting pressure transmitters and acceleration sensors at the various measured points; collecting data of pressures of liquid in a communicating tube at the various measured points and acceleration data of the various measured points; enabling a data processing unit to receive the data and process the acquired data according to a first data model to obtain the dynamic deflection of the various measured points. The method for measuring the dynamic deflection of the bridge has the advantage of high bridge dynamic deflection measurement accuracy.

The invention discloses a line structural optimization method for optimizing power-frequency electromagnetic environments of spaces below extra/ultra-high-voltage power transmission lines on the premise that insulation requirements of the power transmission lines and limit value requirements of the electromagnetic environments below the lines can be met. The line structural optimization method mainly includes computing power-frequency electric fields and power-frequency magnetic fields of the spaces below the power transmission lines; optimizing the structures of the lines on the basis of a particle swarm optimization algorithm. The line structural optimization method is applicable to all structural types of high-voltage power transmission lines, has the advantages of high computation speed and precision and the like, and is a useful tool for optimizing structural designs of extra/ultra-high-voltage power transmission lines.

The invention provides a solid electrolyte electrochromism flexible device preparation based on conductive polymer. The preparation method comprises steps of preparation of solid electrolyte, preparation of positive electrode material, preparation of negative electrode material and assembling of single-layered solid device. The solid electrolyte is self-designed by a laboratory, prepared in a simple way and has great environmental stability; the conductive polymer electrochromism material is advantaged by various structural types, wide color-changing ranges, high optical contrast ratio, great processing performance and fast response speed compared with inorganic and organic small molecules; the conductive polymer-based solid device thin film has electrochromic performance, thereby having wide application prospect in fields of displays, intelligent windows and electronic paper; the electrochromism material is advantaged by low driving voltage and color memory effect; and obvious electricity-saving effect can be achieved and passive luminescence is great for human eye protection.

The invention belongs to the technical field of aerospace detection and identification imaging optics, and provides a large-visual-field off-axis reflection zooming optical system. The optical system adopts a coaxial off-aperture and off-visual-field off-axis structure mode and is composed of a first negative reflecting mirror, a second positive reflecting mirror, a third positive reflecting mirror, a detector and a diaphragm. The diaphragm is arranged on the first negative reflecting mirror. The first main reflecting mirror 1 adopts a quadric surface with negative focal power to act as a front fixing group; the second positive quadric surface reflecting mirror acts as a zooming group to realize an objective of zooming; and the third reflecting mirror acts as a compensation group so that the large-visual-field zooming optical system with stable image surface can be obtained. According to the optical system with the structural type, three times of zooming of focal length of 25mm-75mm can be realized, the visual field can be 6.7-19 degrees, and the modulation transfer function (MTF) of each zooming position is greater than 0.3@50lp/mm so that imaging quality is quite high.

The invention aims at providing an inside and outside reinforced structural type configuration-changeable obstacle crossing robot which comprises a car body, main arms and auxiliary arms. Main arm caterpillar band support frames are installed on two sides of the car body, power-driven wheels, main arm wheels and driven wheels are sequentially installed on the main arm caterpillar band support frames from front to back, the main arms are installed on the main arm caterpillar band support frames, one end of each main arm is connected with the main arm wheels, and a planet wheel is installed at the other end of each main arm. A first auxiliary wheel and a second auxiliary wheel are respectively installed at two ends of each auxiliary arm, the second auxiliary wheels are coaxial with the driven wheels, main arm caterpillar bands are installed the main arm caterpillar band support frames through the planet wheels, the power-driven wheels, the main arm wheels and the driven wheel, and auxiliary arm caterpillar bands are installed on the auxiliary arms through the first auxiliary wheels and the second auxiliary wheels. The inside and outside reinforced structural type configuration-changeable obstacle crossing robot adopts a composite main arm structure, inner and outer arms reinforced design is adopted by the main arms, the strength of the main arms in the movement process is ensured, and accordingly the stationarity of the car body in obstacle crossing is improved.

The invention discloses a structural type weight reduction system used for gait rehabilitation training, comprising a structural type weight reduction device, a control system and a rack base, wherein a stand column is installed on the rack base by bolts, a U-shaped arm support which is clamped on the two sides of the pelvis of a patient is fixedly connected with sliding blocks and can move along guide rails fixed on the stand column, and the control system controls a torque motor to output constant moment according to input signals so as to drive a safety belt at the tail end of the U-shaped arm to apply upward support force on the pelvis of the patient. According to the structural type weight reduction system, the constraint force of a rope type weight reduction system to the body patient and pelvis movement of the patient can be reduced, the patient can be prevented from being tripped, the comfort level is increased, and the balance capability of the patient is trained simultaneously when the function of the lower limbs of the patient is trained, so that recovery process is accelerated; and therapist can set different weight reduction values according to the rehabilitation condition of the patient, and the patient can adjust the weigh reduction value independently in the training process.