202results about How to "Clear mechanism" patented technology

The present invention is related to a coupled-fed multi-band loop antenna. The antenna comprises a dielectric substrate, a ground plane located on the dielectric substrate and has a grounding point, a radiating portion which comprise a supporter, a coupling trip and a loop strip, and a matching circuit. The coupling strip and loop strip are both located on the supporter, with the coupling strip surrounded by the loop strip. The length of loop strip is about 0.25 wavelength of the antenna's first resonant mode. The loop strip has a first end paralleling with the coupling loop, a second end and a shorting point near the second end and electrically connected to the grounding point on the ground plane. The matching circuit is on the dielectric substrate. One terminal of the matching circuit is connected to the coupling strip, and the other is connected to a signal source.

The invention relates to pharmaceutical compositions for nasal application, comprising selected CGRP antagonists which are described in WO 98/11128, as well as a process for the preparation thereof.

The invention relates to a novel passive targeting nano emulsion with skin whitening effect and a preparation method thereof. The invention uses a novel passive targeting transdermal delivery dosing system TDDS-nano emulsion as a carrier of a function component for whitening or lighting the skin, uses different physical and chemical properties, action mechanism and actual effect of each skin whitening function component, especially the action advantages of certain novel skin whitening function components, and provides skin whitening effect nano emulsion systems with two joint applications in morning and evening matched with each other. The two joint applied nano emulsion systems not only have minimum spherical grains, extremely even distribution of nano-scale grains, remarkable passive targeting function, good transdermal absorption and strong penetrability, but also have extremely even, exquisite, smooth and glossy texture of the nano emulsion, is quite comfortable after coating on the face or the skin, has no stimulus and good stability; and the nano is light yellow, beautiful in appearance, bright and transparent, clear and crystalline, has light opalescence, and is adhesive but not sticky, thick but not heavy, oily but not greasy.

The invention relates to the technical field of civil engineering, in particular to a damper and a manufacturing method thereof. A high-damping rubber fluid viscoelastic damper comprises a steel plate layer and a fluid viscoelastic material layer, wherein the steel plate layer comprises a middle steel plate and side steel plates arranged at two sides of the middle steel plate, the fluid viscoelastic material layer is arranged between the steel plate layer and the side steel plates, and the fluid viscoelastic material layer is the high-damping rubber fluid viscoelastic material layer made of high-damping rubber fluid viscoelastic material. Due to the adoption of the technical scheme, the invention has the following advantages: the vibration energy can be absorbed effectively by the deformation of the high-damping rubber fluid viscoelastic material, a hysteresis ring is full, and the fatigue resistance is good; and compared with the traditional fluid viscoelastic damper, the energy consumption property has stronger nonlinearity, and the energy consumption property is good under the condition of extremely small displacement and extremely low speed.

The invention provides a two-dimensional rock sample seepage testing device. In the two-dimensional rock sample seepage testing device, a lateral force loading mechanism comprises an air compressor, a pressure increasing valve, an electricity-controlled proportional valve and other devices. The two-dimensional rock sample seepage testing device is small in size, high in control precision and low in cost, can simulate the mechanism and characteristic test of a rock sample under the combined action of a stress field and a water flow field, is suitable for the failure mechanism experimental study of a rock fracture under the combined action of the stress field and the water flow field, and further has a higher practical value.

A biochemical reactor involves an online cell examination microscope (4) thereon. Said online cell examination microscope (4) comprises a main body (43), an objective lens (24), an observation entrance window (22), a sampling device (40), an external light source system (60). Said observation entrance window (22) lies in front of said main body (43) and the sampling device (40) lies in front of said observation entrance window (22). An objective lens (24) and said external light source system (60) lie behind the observation entrance window (22) in the main body (43). A reflector prism (25) is installed between the external light source system (60) and the objective lens (24). A reflector (23) lies behind the objective lens (24) and in front of the observation entrance window (22). An annular diaphragm (26) is placed in front of the reflecting prism (25). A CCD or an area image sensor (30) is arranged on the upper side of the reflectance prism (25). The sampling device (40) includes a sampling piece (21), an elastic element (38) and a mobile device. Said elastic element (38) is installed between the sampling piece (21) and the drive shaft (51) of the mobile device. A space between the head end of the sampling piece (21) and the observation entrance window (22) develops the sampling pool (50).

The invention relates to a composite multi-frequency-band vibration isolation trench for a building, belonging to the technical fields of civil engineering and mechanical engineering. The composite multi-frequency-band vibration isolation trench comprises a perforated plate, an irregular plate, fillers, a hollow trench and a wave drag block, and is at least arranged under the earth surface on one side of the building, which faces a vibration source; the perforated plate, the irregular plate, the hollow trench and the wave drag block are sequentially connected with one another according to a direction from the vibration source to the building, and the heights and the widths of the perforated plate, the irregular plate, the hollow trench and the wave drag block are ensured to be consistent; one side of the irregular plate, which faces the vibration source, has a convex-concavo irregular structure, and the other side of the irregular plate is planar; and the fillers are filled in the irregular plate and the wave drag block.

The invention discloses an analysis method for estimating bearing capacity of a pile foundation on the basis of penetration technology. The analysis method includes following steps: S1, measuring cone tip resistance qc and side friction fs corresponding to different relative deformations between a probe and soil; S2, extracting pile end resistance and pile side friction corresponding to relative deformations between different soil piles with different soil properties and the soil; S3, building an empirical equation for the pile end resistance qc and the pile side friction corresponding to the different relative deformations between the different soil piles and the soil and the cone tip resistance and the side friction corresponding to the different relative deformations between the corresponding soil probe and the soil; S4, reversely solving a pile foundation load and settlement curve of a corresponding field according to the empirical equation obtained in the S3 ; and S5, analyzing the type of the pile foundation load and settlement curve obtained in the S4 and determining bearing capacity of the pile foundation. The analysis method for estimating bearing capacity of the pile foundation on the basis of the penetration technology is a novel method, is clear in implementation and simple, convenient and visual in application, and has good practicality.

The invention relates to a phase compensation principle-based design method for an energy storage damping controller. A parallel-form energy storage device is controlled by the real-time monitoring information of a tie line, and power oscillation on the tie line is suppressed. According to the method, the current and voltage information of nodes at the two ends of the tie line is provided by the conventional wide area measurement system/energy management system (WAMS/EMS), and is synthesized into a feedback control signal of the energy storage damping controller, and an output power instruction value of the energy storage device is directly formed through a measurement amplification link, a blocking link and a phase shift link. A frequency converter of the energy storage device generates specified active power through a given power value, and injects the specified active power into a power grid, so that the power oscillation on the tie line is suppressed. Parameters of the controller are set on the basis of a phase compensation principle by fully utilizing the real-time monitoring information of the tie line; the controller is simple and reliable in structure; and the tie line power oscillation suppression efficiency of the energy storage device can be improved.

The invention provides a shear-seepage coupling testing device for a two-dimensional rock sample. The shear-seepage coupling testing device for the two-dimensional rock sample comprises an underframe, a sealing mechanism, a rock sample base, a longitudinal loading mechanism and a lateral loading mechanism, wherein a part above the underframe is divided into a sample introduction area and a test area, and a sliding rail is arranged between the sample introduction area and the test area; the sealing mechanism is used for sealing the two-dimensional rock sample, and a water inlet and a water outlet are respectively formed in the two sides, along a through crack, of the sealing mechanism; the rock sample base can freely slide on the sliding rail, and is used for transporting the horizontally placed two-dimensional rock sample to the test area from the sample introduction area; the longitudinal loading mechanism is fixed above the test area of the underframe, and has a liftable structure as a whole; the lateral loading mechanism is fixed above the test area of the underframe, and has a liftable structure as a whole; the lateral loading mechanism and the longitudinal loading mechanism are arranged in a staggered way. After the shear-seepage coupling testing device for the two-dimensional rock sample is used, the loading of the two-dimensional rock sample as well as the application of extrusion force and shear force for the two-dimensional rock sample can be reliably realized, so that the blank for the shear-seepage coupling testing device for the two-dimensional rock sample at home and abroad is filled up.

Although the compatibility principle of monarch, minister, assistant and guide formed under the traditional Chinese medicine theory is ordered, the action mechanism and scientific essence of the medicine cannot be revealed from essence, and the clinical effective rate of the traditional Chinese medicine is low. Therefore, the invention provides a method for screening the traditional Chinese medicine composition with the network targeting effect from the molecular level, the correlation between the disease symptom and the traditional Chinese medicine symptom is established from the molecular level through gene data analysis and traditional Chinese medicine data analysis, so that a traditional Chinese medicine action network with clear targeting and clear mechanism is obtained, and finally a network targeting formula is formed. A new thought is provided for research and development and action mechanism research of new traditional Chinese medicines, and modernization and internationalization of traditional Chinese medicines are assisted.

The invention provides a method for monitoring earth surface drinking water source water gathering area ecology, and relates to the field of specific area ecological environment quality monitoring. The method aims to solve the problem that ecological environment quality assessment uncertainties exist due to the fact that an existing earth surface drinking water source water gathering area ecology monitoring method neglects non-uniformity, systematicness and precision of an underlying surface. According to the method, remote sensing information inversion is combined with a field survey to build a water source water gathering area ecology monitoring index model with an administration unit, a water gathering unit and a small watershed as a monitor unit, a comprehensive monitoring result F(Ri) is obtained according to the formula F(Ri)=w1R1*w2R2*w3R3, wherein i is equal to 1 or 2 or 3, R1 is the risk degree of a risk source, R2 is the fragility of an ecological system and R3 is the loss degree of the ecological system. The method has the advantages that a monitoring target is clear, an index system is complete, the model is simple and practical and the dynamic property and precision are high.

The invention relates to a composition having function of fat-reducing. Particularly, the invention relates to a fat-reducing composition containing xanthan gum, oligosaccharide and trace elements. Inaddition, vitamin and meal fibers can also be added into the composition. The composition of the invention can be prepared into various easy carried and edible forms according to a certain proportion, such as chewable tablets, capsules, granules, suspension and beverage, etc. The composition of the invention has function of fat-reducing, which is especially suitable for obesity patients or overweight persons.

An improved feed dispenser is programmable to allow for a desired feeding schedule. When a feeding interval begins, a dispersion wheel begins operating. A separate spinner plate is used to block feed from the dispersion wheel, and begins operating to allow feed to the dispersion wheel only after a delay of several seconds after the dispersion wheel begins operation. In addition, the dispersion wheel is operated for another period of several seconds after the spinner plate ceases operation in order to clear the mechanism and prevent blockage.

The invention provides a microfluidic chip for studying the tumor single cell invasion and epithelial-mesenchymal transition process capability. The microfluidic chip includes four layers of structures that are stacked together in order and sealed to each other, and falls into a top cover, a microfluidic channel layer, a substrate with micropore array and a baseplate with a cavity group from top to bottom. The invention also provides a system that matches with the chip and is used for single cell detection. The microfluidic chip and the corresponding detection system provided by the invention can achieve rapid, simple and low-cost sorting of single cells and study of invasion ability and epithelial-mesenchymal transition, and performs gene analysis on a target single cell.

The invention discloses an underground coal mining environment risk prediction grading method. The method comprises the following specific steps: step 1, identifying a main underground coal mining environment risk problem; 2, analyzing a main underground coal mining environment risk problem; 3, constructing an underground coal mine environment risk evaluation index system; 4, performing correlation discussion on each index in the index system; 5, determining main evaluation indexes influencing the environmental risk; step 6, carrying out weight sensitivity analysis on each index in the index system; and step 7, predicting and grading the mining environment risk of the underground coal mine area. According to the invention, the existing environmental risk problems can be comprehensively researched in a classified manner, and a corresponding index system is constructed; the influence of different influence indexes can be distinguished, so that key response is realized; by comparing the correlation among the indexes, an index library is optimized; through index grading and a multi-criterion decision-making model, key prevention and treatment measures are facilitated to be implemented.

The invention discloses a complementary food nutrition bag for children and a preparation method of the complementary food nutrition bag and belongs to the complementary food nutrition supplements. The complementary food nutrition bag is characterized by being composed of ethlene diamine tetraacetic acid ferric sodium salt, vitamin B1, vitamin b2, vitamin A acetate, cholecal ciferol, ferric pyrophosphate, zinc gluconate, lupeose, malt extract and resistant dextrin. The complementary food nutrition bag has the advantages and beneficial effects of reasonable matching, exact effects, clear mechanism, strong pertinence, remarkable synergic effect, simplicity in production and convenience for taking; the complementary food nutrition bag for children has no adverse effects in the aspects of color and luster, taste, stability and the like, and has no black spots, precipitate and flotage; besides, the product also can be prevented from oxidation smell and the like in short period, and the quality guarantee period can be 24 months; the complementary food nutrition bag is easily accepted by infants, and free from any preservative, essence and the like, completely conforms to the national food safety standards and does not cause any harm or toxic and side effects to the body.

The invention relates to a method for preparing Alzheimer animal model which comprises, using mouse, rat or other mammal, administering D-galactose through abdominal cavity injection, affording aluminium chloride (AlCl3) through stomach filling simultaneously, after a finite period of time, the animal learning and memorizing function decreases, the brain generating the characteristic pathological alteration, i.e. senile plaque (SP), neurofi brillary tangle (NFT) and different degree of loss for cholinergic neuron and other nerve cells.

The invention provides a fracture network seepage test apparatus for a two-dimensional rock sample. The fracture network seepage test apparatus for the two-dimensional rock sample comprises an underframe, a sealing mechanism, a rock sample base, a longitudinal loading mechanism and a lateral loading mechanism, wherein a part above the underframe is divided into a sample introduction area and a test area, and a sliding rail is arranged between the sample introduction area and the test area; the sealing mechanism is used for sealing the two-dimensional rock sample, and four water penetration areas are respectively arranged at the four sides of the sealing mechanism; the rock sample base can freely slide on the sliding rail, and is used for transporting the horizontally placed two-dimensional rock sample to the test area from the sample introduction area; the longitudinal loading mechanism is fixed above the test area of the underframe, and has a liftable structure as a whole; the lateral loading mechanism is fixed above the test area of the underframe, and has a liftable structure as a whole; the lateral loading mechanism and the longitudinal loading mechanism are arranged in a staggered way. The shear-seepage coupling testing device for the two-dimensional rock sample is designed specially by aiming at the two-dimensional rock sample, and the loading of the two-dimensional rock sample as well as the application of extrusion force and shear force for the two-dimensional rock sample can be reliably realized; the fracture network seepage test apparatus for the two-dimensional rock sample has higher practical value.

The invention provides a liftable loading mechanism and a shear-seepage coupling testing device applying the same. The liftable loading mechanism comprises an underframe, a longitudinal loading mechanism and a lateral loading mechanism, wherein a testing region is positioned at the upper side of the underframe; the longitudinal loading mechanism is fixed above the testing region of the underframe and is of a liftable structure integrally; the lateral loading mechanism is fixed above the testing region of the underframe, is of a liftable structure integrally and is staggered from the longitudinal loading mechanism; when being used for transporting a two-dimensional rock sample, the longitudinal loading mechanism and the lateral loading mechanism ascend; after the two-dimensional rock sample is transported to the testing region, the longitudinal loading mechanism and the lateral loading mechanism descend, and apply a longitudinal force and a lateral force to the two-dimensional rock sample transported to the testing region. According to the liftable loading mechanism and the shear-seepage coupling testing device, the longitudinal loading mechanism and the lateral loading mechanism are set to be liftable, and ascend when being used for transporting the two-dimensional rock sample; during testing, the longitudinal loading mechanism and the lateral loading mechanism descend, thus realizing simple and effective loading of the two-dimensional rock sample.

The invention discloses an attitude error compensation method of a laser gyroscope dual-axis rotary inertial navigation system. The attitude error compensation method is implemented by sequentially executing the following steps: constructing a six-degree-of-freedom kinetic model of the laser gyroscope dual-axis rotary inertial navigation system, obtaining a kinetic equation when an inner frame axis and an outer frame axis rotate, solving a deviation angle caused by the deformation of a rubber shock absorber when the inner/outer frame axis rotates by adopting a fourth-order Runge-Kutta method,and fitting the corresponding relationship between the angular rate of the frame axes obtained by dynamic analysis and the deviation angle caused by the deformation of the rubber shock absorber to obtain attitude error compensation information; and compensating the attitude output according to the attitude error compensation information. According to the attitude error compensation method, the attitude accuracy of the laser gyroscope dual-axis rotary inertial navigation system can be effectively improved; compared with the original uncompensated attitude output, the output accuracy of a pitching angle and a heading angle of the error-compensated attitude can be improved by about 8 times, and thus the effectiveness of the method can be fully proved.

The invention provides a bidirectional sample conveying component and a two-dimensional rock sample seepage test device applying the bidirectional sample conveying component. The bidirectional sample conveying component comprises an underframe body, a sample conveying rotary table, a first sliding rail and a second sliding rail, wherein a test area is arranged above the middle position of the underframe body, and at least two sampling areas, namely a first sampling area and a second sampling area are arranged on a plane where the test area is positioned; the sample conveying rotary table is arranged above the test area and can rotate around a rotating shaft at the center of the test area, and a common sliding rail is arranged on the sample conveying rotary table; the first sliding rail is arranged between the first sampling area and the test area; the second sliding rail is arranged between the second sampling area and the test area; the common sliding rail can be spliced with the first sliding rail or the second sliding rail to form a complete sample conveying sliding rail. Through the specially-designed bidirectional sample conveying component provided by the invention, the sample conveying in the test area in two directions is realized.

The invention discloses a cloud-edge collaborative platform architecture for basin water environment water ecological intelligent management. The cloud-edge collaborative platform architecture comprises a cloud end, an edge end, a terminal, a data center, a model center, a control center and a customer service center, wherein the data center, the model center, the control center and the customer service center have relatively independent functions. The cloud end is connected with the data center, the model center and the control center and is responsible for top-layer simulation computation. The edge end is connected with the data center, the model center and the customer service center, obtains the data uploaded by the terminal, performs data extraction, cleaning, fusion and transmissionto form an edge-end ecological environment big database, receives the data generated by the cloud end, and arranges a local simple model to satisfy differentiated services of basin intelligent management. The cloud end and the edge end realize cloud-edge collaborative computing by taking a message center as middleware. The terminal is connected with the data center and the customer service center,has various sensors and users of different departments, carries out multi-source heterogeneous data acquisition and edge service release in combination with the Internet of Things technology, and achieves three-dimensional perception, comprehensive acquisition and directional output of information.

The invention discloses a front edge design method for optimizing a suction surface wave system and suppressing fan shock wave noise. The front edge design method comprises an element blade front edgeoptimum design method, a three-dimensional fan/rotor blade design method based on element blade front edge optimum design and a three-dimensional fan/rotor blade design method through combination ofelement blade front edge optimum design and bending modeling. On the existing ultrasonic blade basis, the shape of the front edge and the shape of a suction surface are fast changed, air flow turningangle distribution of the suction surface between the front edge point and the point E is reasonably distributed, and therefore distribution of compression waves and expansion waves on the suction surface is optimized, the interference function of the wave system and forward-stretching shock waves on the suction surface is improved, and then the effect of reducing the transonic fan shock wave noise is achieved; and the shock wave noise of an ultrasonic blade of an original round front edge can be effectively reduced by about 1.5-3.5 dB, the method can be combined with the bending three-dimensional modeling technology, the noise reduction effects of a near field and a far field are achieved at the same time, and high engineering application value is achieved.