94results about How to "Tightness" patented technology

A valved plug to be fitted on a mouth piece at an inlet opening of an endoscopic biopsy channel. The plug as a whole is formed of a resilient material, and has, at the opposite ends of a foldable connecting strip or string, a generally tubular main body portion which is provided with a constricted portion in its axial passage, and a valved nesting piece which is adapted to be detachably coupled with the main body portion and provided with a normally closed slit valve axially in an aligned position relative to the constricted passage on the side of the main body portion. The main body portion is provided with an inward interlocking projection of a predetermined thickness at its outer end, for tight interlocking engagement with an interlocking groove which is provided on the side of the nesting piece in such a way as to grip the interlocking projection tightly in a compressed state.

The invention discloses a method for evaluating the implementation quality of a software process, which belongs to the field of computer software engineering. The method comprises the following steps that: 1) a user selects an evaluation model or a standard of the software process from an evaluation standard library by using an evaluation standard selection module; 2) an index system establishment module establishes an measurement index system by adopting a target-problem-measurement method or a utility software measurement method; 3) an index measurement data acquisition module performs data acquisition on the software process to be evaluated according to the established measurement index system, and simultaneously, an index weight determination module determines the weight of each measurement index according to the established measurement index system; 4) a comprehensive evaluation computing module performs numerical value standardization and form unitization on the acquired data; and 5) the comprehensive evaluation computing module evaluates the processed data by adopting a fuzzy comprehensive evaluation method and outputs the evaluation result. The method not only ensures flexibility and the strictness of the result, but also ensures the accuracy of the evaluation process and the validity of the evaluation result.

The headset comprises two earpieces each having a transducer for playing back the sound of an audio signal and received in an acoustic cavity defined by a shell having an ear-surrounding cushion. The active noise control comprises, in parallel, a feedforward bandpass filter receiving the signal from an external microphone, a feedback bandpass filter receiving as input an error signal delivered by an internal microphone, and a stabilizer bandpass filter locally increasing the phase of the transfer function of the feedback filter in an instability zone, in particular a waterbed effect zone around 1 kHz. A summing circuit delivers a weighting linear combination of the signal delivered by these filters together with the audio signal to be played back. Control is non-adaptive, with the parameters of the filters being static.

The invention relates to a method and a system for treating a plurality of electronic texts containing same keywords and is implemented by a computer. The invention includes the following steps: obtaining a plurality of electronic texts containing same keywords, stipulating the word quantity contained in an adjacent word segment and the intercepting method of the adjacent word segment, according to whether the adjacent word segment of the keyword in each text content of part of or whole text is same with other texts or not, classifying the text and other texts into the same or different subclasses or classes which are subject to same or different processing. The massive searching results obtained by keyword search can form multilevel subset systems, catalogs or example sequences, core contents of which are not repeated or lost; therefore, the invention can help users to narrow searching range rapidly and strictly, and to obtain the expected searching results completely and accurately.

The invention relates to a method for welding coated sheet metal (3), which comprises at least one laser (13) and at least one shielded arc unit (5) and a rod feeding device (11) for a welding rod (12). The aim of the invention is to provide a method or a device of the aforementioned kind which allows fo˜ reducing or completely avoiding inclusions such as are e.g. caused by the evaporation of the coating of the metal sheet (3). For this purpose, a clamping device (6) is used for positioning the coated metal sheet (3) without substantial gaps between the individual sheets. A material having a zinc and/or carbon and/or aluminum content is used as the weld metal or welding rod (12).

Disclosed is an electronic text processing method convenient for query and search, and retrieval or search system of similar contents comparing process device comprising keyword search. The invention makes a comparison among similar contents in the delimitation limit of various text keyword search, determining and classifying similar contents depending on whether which have similarities, so as to perform the executions such as separating subsets, arranging various sequences or forming directories, sorting, displaying interface and the like. The invention can considerably improve the convenience and tightness of information retrieval or network information search.

A microfluidic device for transporting a fluid, in particular a micropump or microvalve. The device has films, which lie against each other at film surfaces facing each other and are connected to each other in such a way that a transport channel to be formed between the films is defined, Deflecting apparatuses for forming the transport channel by jointly deflecting the films lie against each other in a direction perpendicular to the film surfaces. A deflecting surface region of the rear film in the deflection direction lies within the deflecting surface region of the front film in the deflection direction defined by the connection between the films.

The invention provides an emergency treatment system for elevators. The emergency treatment system comprises an elevator comprehensive information database, an elevator code assigning subsystem, an elevator grid management subsystem, an elevator dynamic state monitoring subsystem, an elevator fault/accident calling subsystem, an elevator emergency dispatching subsystem and an elevator fault/accident disposal management subsystem. An emergency treatment method for the elevators based on the system comprises the steps that firstly, a complete and accurate elevator comprehensive information database is formed; secondly, elevator identification codes are assigned to the elevators; thirdly, grid dividing and positioning of the elevators, maintaining units and nearby rescuing stations on a map are achieved; fourthly, the elevator calling subsystem is connected through an assembly of the elevator dynamic state monitoring subsystem installed on the elevator or a manual alarming manner; fifthly, after the fault rescuing call is answered, the system arranges rescue in time according to the elevator identification code provided by a person calling for help; and sixthly, rescuing is finished, and a detailed log information record from alarming to the command stage to rescuing ending is formed.

The invention relates to an elevator fault alarm method. The elevator fault alarm method comprises the following steps: S1, acquiring the fault information of an elevator controller through a GPRS (General Packet Radio Service) module, wherein the fault information comprises elevator ID (Identification) information, floor information and fault types; S2, receiving the fault information sent by the GPRS module through a server platform; S3, calling an interface of an SamSs system through the server platform, and sending the fault information to the SamSs system for three-stage platform alarming. The invention also provides an elevator fault alarm system. The elevator fault alarm system comprises the elevator controller, the GPRS module, the server platform and the SamSs system. The elevator fault alarm method and the elevator fault alarm system have the beneficial effects that the main market requirement for the elevator industry is higher; core customers are the Bureau of Quality Supervision and elevator manufacturers; the trapping fault is solved in time favorably; the responsibility is diffused level by level; the elevator fault can be more tightly monitored and processed.

A method for connecting a heat-dissipating body and a heat pipe and the structure thereof are used to improve the efficiency of heat conduction. The structure includes a heat-dissipating body and a heat pipe. The central position of the heat-dissipating body is provided with an accommodating trough for accommodating the heat pipe. A plurality of corresponding slots extends outwardly from the periphery of the trough. The other end of the slot is connected to a through hole. Tools are disposed in the slots to widen the slots and thus the periphery of the trough, so that the inner diameter of the trough is larger than the outer diameter of the heat pipe. After the heat pipe penetrates into the trough, the tools are removed, so that the inner wall surface of the trough abuts tightly against the outer circumferential surface of the heat pipe. Thus, the optimal efficiency of heat conduction between the heat pipe and the heat-dissipating body can be achieved.

The invention discloses a satellite multispectral image registration method based on object space positioning consistency. The method comprises the following steps: selecting a certain spectrum in a multispectral camera as a reference spectrum, taking the residual spectrums as non-reference spectrums, respectively performing on-track calibration aiming at the relative geometric distortion between each non-reference spectrum and the reference spectrum, and saving the calibration result; establishing a strict geometric imaging model of each spectrum by utilizing the saved calibration result based on the object space positioning consistency, and performing accurate registration on the non-reference spectrums and the reference spectrum. The invention provides an optical satellite multispectral image high-precision automatic registration method of really geometrical significance, the satellite multispectral image can be subjected to high-precision automatic registration without carrying out image matching, the processing efficiency is improved, and the registration quality is irrelevant to the image quality and ground feature types; and meanwhile, a geometric correction model between wave bands is the strict geometric imaging model and has strictness in theory. The practice proves that the method is feasible, effective, stable in registration quality and high in precision.

A lacing cord is used in an article to be laced that includes shoes, clothing and bags. The lacing cord basically includes a core wire and at least one protruding part. The core wire includes at least one wire member. The at least one protruding part is provided to a peripheral section of the core wire so as to intersect with an axial direction of the core wire and to protrude radially outward from the peripheral section of the core wire.

An inner cutter including a circular hub unit, which is coupled to a rotary drive shaft, and a ring-shaped inner cutter main unit, which is secured to the hub unit and is formed with cutter blades standing up from their lower portions with the upper parts sliding against the inside lower surface of the outer cutter; and the cutter blades being formed with reduced cross-sectional portions that have a dimension in the radial direction of circular hub unit (or of the ring-shaped inner cutter main body) made smaller than a dimension in the radial direction of blade tip ends.

The invention provides a method for predicting the effective stress relaxation coefficient of a polymer matrix composite.The method includes the steps that firstly, a linear viscoelatic material constitutive equation in a time intra-domain integral form is established based on the Boltzmann superposition principle; then the effective stress relaxation rigidity of the polymer matrix composite formed by periodic unit cells is defined; then a mesomechanics model for solving an effective stress relaxation rigidity matrix of the polymer matrix composite is established based on the variation asymptotic homogenization theory; finally the effective stress relaxation rigidity of the polymer matrix composite is predicted based on the established mesomechanics model.According to the method, attributes of different materials in different directions can be obtained in the one-time solving process, and compared with a method in which rerunning is conducted under different loading conditions, the method is simpler, more convenient, more efficient and rapider.The calculated effective stress relaxation coefficient is consistent with the precision of a wave function, no more approximation relations need to be introduced, calculation precision is higher, and the strength and service life of the polymer matrix composite are predicted more accurately.

Cosmetics containing the following components (A) and (B): (A) an oil-absorbing powder having a squalane-absorbing ability of 1 ml/g or more; and (B) a compound having an affinity for component (A) lower than that of sebum, and having an ability to absorb the sebum and release component (B) in exchange for the sebum when the cosmetic is applied onto the skin. These cosmetics can adequately absorb the sebum and thus exhibit excellent effects of relieving or preventing oiliness of the skin and worsening in makeup. By selecting an appropriate compound to be released in exchange for the absorbed sebum, a substance capable of improving the skin qualities such as moistness, tightness, and tension can be allowed to penetrate into the skin. Moreover, a bodily feeling of the removal of the sebum can be imparted to users thereby.

The invention provides a method for simulating effective time varying and super-elastic responses of an SMA polymer base material.The method comprises the steps that increment constitutive equations of a component material are set up, wherein the constitutive equation of a linear heat-viscoelastic polymer within a time domain and the three-dimension increment heat-force coupling constitutive equation of SMA are set up; an SMA polymer base material uniform increment constitutive equation is set up; a micro-mechanical model for solving the effective material attributes and a wave function of the SMA polymer base material is set up based on the theory of variational asymptotic homogenization; a local field reconstitution relationship is set up based on the wave function and the overall responses; finally, the effective time varying and super-elastic behavior characteristics of the SMA polymer base material are described.According to the method, the non-obligatory boundary conditions are adopted, the attributes of different materials in different directions can be obtained simply through one solving process, and compared with a method repeatedly operated under different loading conditions, the method is simpler, more convenient, more efficient and faster.

The disclosure relates to a photovoltaic element having a sealing web with at least one photovoltaic module which is mounted on one side of the sealing web and has contact points and electrical connections. The contact points of the photovoltaic module can be arranged on a side facing the sealing web, and the electrical connections can pass through the sealing web.

The invention provides a high temperature oxidation resistant grid section, comprising the following components by weight percent: 0.3-0.6% of C, 0.2-0.4% of N, 22-25% of Cr, 0.3-0.5% of Si, 3-4% of Mn, 6-8% of Ni, 0.001-0.002% of B, less than 0.01% of Zr, the balance Fe. The grid section of the invention is prepared by adopting melting, refining, alloying and casting stages. The grid section of the invention has high rigidity and better impact property, distortion resistance capacity at high temperature is improved, and meanwhile corrosion resistance is also improved, and the oxidation film of the grid section of the invention contains no Mn3O4, so that the oxidation film thereof is stable at high temperature and has better compactness and continuity, bonding degree with base material is higher, and the grid section has excellent oxidation resistance and is superior to the existing grid section.

A method for manufacturing a photomask is provided. The method includes providing a flexible substrate, forming a plurality of microstructures on the flexible substrate, coating the flexible substrate with a shading material to form a shading layer on the substrate, and solidifying the shading layer which is a single layer.

The invention provides a method for forecasting thermoelasticity valid attribute and local field of a composite material. The method comprises the following steps: acquiring the sum of Helmholtz free energies stored in all unit cells by using heterogeneous and periodically-distributed microstructure of the composite material as a study object; converting thermoelasticity analysis and solution problem into the problem of minimizing-acquiring stationary value in an energy equation under a restricted condition; performing variational analysis for the energy equation to obtain an Euler-Lagrange equation set for solving a wave function and corresponding inhomogeneous boundary conditions; rewriting the energy equation into a discrete form by the numerical analysis technology-finite element method; solving to obtain the density of Helmholtz free energies of the unit cells; applying a constitutive model using the density as an effective medium to the composite material; then changing the load and temperature conditions of the composite material to analyze the local field of the composite material. The method is high in practicability, high in universality, and can obviously raise the calculating speed and efficiency for such problems.

The invention discloses Japanese encephalitis virus like particles as well as a preparation method and an application thereof. The Japanese encephalitis virus like particles are prepared by assembling a PrM/E gene of a Japanese Encephalitis virus (JEV) and a JEVRNA replicor with a nucleotide sequence as shown in SEQ ID NO: 1. The preparation method of the Japanese encephalitis virus like particles comprises the steps of: connecting the JEV PrM/E gene amplified by an RT-PCR (Reverse Transcriptase Polymerase Chain Reaction) to a plasmid pTRE-Tight of a Tet-on advance expression system to form a recombination vector, transfecting a Hela Tet-on advanced cell by using an Xfect method, after screening and identifying through HygB, obtaining a Hela cell line for controllably and stably expressing the PrM/E gene through a limiting dilution process, inducing for expressing a PrM/E protein, and packaging to obtain the conventional virus like particles; and transfecting the Hela cell line by using a JEV replicor RNA vector and packaging to obtain the virus like particles with a capacity of transient infection. The Japanese encephalitis virus like particles can be used for preparing a vaccine or used as a detection agent, has better immunogenicity and reactivity, and is safe and reliable.

A high voltage vacuum feed through (23) for an electron tube (25) has an anode (28) and an insulating body (1) of ceramic material, the insulating body (1) having a continuous hollow space (10). The anode (28) has a rear part (2) and a front part (3) mounted thereto. The rear part (2) consists of a first metallic material, having a thermal expansion coefficient corresponding to a thermal expansion coefficient of the ceramic material. The rear part (2) is arranged in the hollow space (10) of the insulating body (1) and is soldered into the insulating body (1) in a vacuum-tight fashion. The front part (3) has a second metallic material whose heat conductivity is larger than that of the first metallic material. The high voltage vacuum feed through reliably remains vacuum-tight during operation and can be easily provided with different target materials.

The present invention is to provide a device configured for hanging, supporting and gripping, which includes a supporting element and a cover. The supporting element is a strip-like plate made of a flexible material and provided with at least two fasteners on one side proximate to the ends thereof and each including a stem and a fastener cap, wherein the stem is connected to the plate at one end and is connected to the fastener cap at the other end. The cover is formed with an assembly hole and a track groove in communication with the assembly hole, wherein the assembly hole is sized and shaped to allow passage of each fastener cap, and the track groove is not sized and shaped to allow passage of the fastener caps, thereby the supporting element can be fastened to the cover through the fasteners for hanging, supporting and gripping the cover accordingly.