147results about How to "Different structure" patented technology

A single-compartment combined-sphere broad-frequency submarine seismometer, which comprises a submersion coupling frame, a seismometer compartment, a function compartment and an unhooking mechanism. The submersion coupling frame, which is located at the bottom of the submarine seismometer, is provided with a rigid ring to accommodate the seismometer compartment and thereby allow the sealed seismometer compartment (48) inside said seismometer compartment to sit on the seabed directly. The seismometer compartment comprises a bell-shaped protective cover (49) and the sealed seismometer compartment (48). The bell-shaped protective cover (49) opens downwards. The upside of the sealed seismometer compartment (48) is suspended from the top inner surface of the bell-shaped protective cover (49) by multiple cables, and the underside of the sealed seismometer compartment (48) extends beneath the opening of the bell-shaped protective cover (49) to sit flush with the underside of the submersion-coupling frame. The unhooking mechanism is provided on the function compartment (36) and is connected fixedly with the rim of the submersion-coupling frame by a fusible tension steel wire (24), thus fixing the function compartment (36) and the seismometer compartment to the rigid ring at the center of the submersion coupling frame. The seismograph is installed in the sealed seismometer compartment (48) and is thus seated on the seabed directly, whereby the severe distortion of horizontal signals recorded by the submarine seismograph can be effectively overcome without the use of multilayer coupling structures.

A Ni-based alloy member has resistance against grain boundary fracture, fatigue strength, and oxidation resistance at temperatures near 1000° C. or higher. The Ni-based alloy member includes a non-repaired region made of a Ni-based alloy base and a region repaired by welding, which is formed on the non-repaired region and which is made of a buildup-welded layer, the buildup-welded layer being made of a Ni-based alloy containing, by weight, 15% or less of Co, 18-22% of Cr, 0.8-2.0% of Al, 5.0% or less of Ta, 0.5% or less of Mo, 0.5% or less of Ti, 13-18% of W, 0.05-0.13% of C, 0.06% or less of Zr, 0.015% or less of B, 0.4-1.2% of Mn, and 0.1-0.3% of Si, the balance of the alloy being preferably essentially made of Ni.

A shutter assembly for storm and security protection is disclosed. The shutter assembly mounts to a structure adjacent an opening in the structure. The assembly may include a mounting system comprising inserts for mounting into the structure, fasteners formed from a non-corrosive material inserted into the inserts, and plugs for insertion into the inserts to conceal the inserts within the structure. A protective element is positioned in a plane offset from the opening for protecting the opening from debris. A housing is positioned adjacent the opening and defines a cavity for housing the protective element therein. The housing is surface mounted to the structure such that the housing requires no major damage to the existing wall surface. A decorative shutter mounts to the housing for concealing the cavity and for improving aesthetics of the structure.

A ladder clamp (1) comprises a securing clamp (3) for mounting fast on a ladder and a structure engaging clamp (5) connected to the securing clamp for securing the ladder clamp to a portion of a structure. The structure engaging clamp further comprises a substantially c-shaped bracket (7) and a driving rod (19) slidable within a bore on the c-shaped bracket. A driven ratchet mechanism (21) is located between the driving rod and the c-shaped bracket for urging the driving rod towards a fixed clamping head (15) mounted on the c-shaped bracket and there is additionally provided a quick release locking means (23) to release the driven ratchet mechanism. The ladder clamp may thus be connected and disconnected in a quick and secure manner.

The present invention relates to a novel benzimidazole compound represented by formula 1. The novel benzimidazole compound of the present invention is very useful for the production of polymers used as a functional polymer thin film by polymerization with bishydroxy compound.

Wherein, X is a halogen such as F, Cl, Br or I,

• • Y is a functional group having strong electron-drawing force such as nitro (—NO₂) or trifluoromethyl (—CF₃).

The present invention provides new sequences, gene constructions, vectors and pharmaceutical compositions for the treatment of diseases and specially, for the treatment of mucopolysaccharidoses.

The invention relates to the field of aerospace, in particular to a cod-end structure for recovering a marine returning capsule in a high sea state. The cod-end structure comprises a guide component and a catching component, wherein triangular, rectangular, pentagonal or hexagonal peaks are tied with a balance-weight guide ring (8) respectively at the periphery of a guide net which has a silk screen structure, and the balance weight guide rings are tied with a guide rope (18) respectively; the mouth part of the string bag-shaped cod-end (20) has a plurality of metal rings (19), a plurality of guide ropes (18) are uniformly distributed and pass through the metal rings (19) at corresponding positions, a lifting rope (22) passes through the metal rings (19) in turn, one end of the lifting rope (22) is shaped as a rope loop and connected with a shackle (22a), while the other end penetrates outside from a round hole of the shackle (22a), and the central position of the outer back part of the cad-end (20) is connected with a tail traction rope (21). The cod-end structure for recovering the returning capsule in a high sea state can implement a two-step salvage method, so the returning capsule (G) can be easily caught and recovered under the relative shaking condition; and a target can be exactly seized by the guide component and easily and smoothly caught and covered by the catching component, so the returning capsule (G) can be recovered and lifted reliably.

The invention relates to a method for preparing a high-performance nitrogen-doped porous carbon supported PtNi alloy particle methanol fuel cell catalyst. The method uses waste cigarette end filter core as carbon source and nitrogen source to generate nitrogen-doped porous carbon material in one step; Non-noble metal Ni and noble metal Pt alloy particles are supported on nitrogen-doped porous carbon materials to form catalysts. The invention provides a simple preparation method of nitrogen-doped porous carbon-supported PtNi binary alloy (PtNi/N-HPC) catalyst, which improves the CO poisoning disadvantage of a single Pt-based catalyst.

The invention discloses a nanometer structure copper zinc tin sulfide (CZTS) film photovoltaic cell, which sequentially consists of a substrate, a back electrode, a p type semiconductor nanometer wire array, an n type semiconductor thin layer, a window layer and a metal grid electrode, wherein the p type semiconductor nanometer wire array consists of semiconductor alloy (CuxB<1-x>)2Cy(DzS<1-z>), wherein x is greater than 0 but is smaller than or equal to 1, y is greater than or equal to 0 but smaller than or equal to 2, z is greater than or equal to 0 but smaller than 1, B is silver and/or gold, C is more than one kind of materials of aluminum, zinc or tin, D is selenium and/or tellurium. Through the subsequent processes of controlling the deposition element types, the deposition element sequence, the heat treatment mode and the like, the ingredients, the phase structure and the energy band structure of the absorption layer nanometer wire array are regulated, so the solar photovoltaic cells with different structures and performance can be prepared. The nanometer structure CZTS film photovoltaic cell provided by the invention has the advantages that the light reflection is reduced, good light capture capability is realized, the band gap regulation is improved, and the great improvement of the photoelectric conversion efficiency is finally realized.

The invention relates to an organic silicon resin, particularly a vinylphenyl silicon resin. The vinylphenyl silicon resin is prepared by the following steps: 1) adding water into a kettle, and adding a solvent; 2) adding a blocking agent, stirring, and adding an acidic catalyst; 3) stirring the mixed solution at normal temperature, dropwisely adding an ethanol solution of one or more of phenyl alkoxy silane, vinyl alkoxy silane and ethyl orthosilicate at 0-60 DEG C; 4) after finishing the dropwise addition, hydrolyzing for 30-600 minutes; 5) standing for 5-30 hours to stratify; and 6) treating a condensation additive for an oil solution, and removing low boilers, thereby obtaining the product vinylphenyl silicon resin. The method is simple to operate, and is beneficial to the stability of the product structure and quality.

A trace structure includes a substrate, at least one metal trace, and a cover. The metal trace is disposed on the substrate, and has sidewalls and a top surface. The cover is disposed on the sidewalls and the top surface of the metal trace, and the cover includes metal nanowires. The cover and the metal trace have different etch resistances.

The invention provides a novel visible light-initiated photoinitiator composition for a 3D printing technology. The visible light-initiated photoinitiator composition comprises a main photoinitiator and an assistant photoinitiator, wherein the weight ratio of the main photoinitiator to the assistant photoinitiator is 1:(0.1-10), preferably 1:(0.2-2), the main photoinitiator is an iodonium salt compound or a sulfonium salt compound or an arbitrary mixture of the iodonium salt compound and the sulfonium salt compound; the assistant photoinitiator has a structural formula shown in a formula (I),wherein in the formula (I), R is one or more selected from H, Cl, Br, I and NO2, and M is one or more selected from H, Na, K, Li and NH4. The photoinitiator composition is applicable to a photo-curingmaterial in a photo-curing 3D printing forming technology, rapid curing molding of the material can be initiated through excitation of a visible light source, and the photoinitiator composition has the advantages of high initiation efficiency, good stability, high safety performance and the like.

The invention discloses a cold and heat source revolution type dual-prevention device for sewage or surface water and a system thereof and relates to a device for preventing blocking and scaling while extracting cold and heat in sewage or surface water by utilizing a heat pump technology and a system thereof, belonging to the technical field of energy and aiming to effectively solve the problem of heat exchange equipment blockage by impurities in the sewage or the surface water and on how to reduce the growth thickness of dirt in the heat exchange equipment. The device comprises a shell, a valve body, a scraper, a filter piece 1, a filter piece 2, a water inlet, a water outlet, two connecting ports, a rotating component, and the like. The system comprises a heat pump set, the device, a connecting pipeline, and the like. When one filter piece works, the other filter piece is used for back washing, the rotating component intermittently changes the direction of the valve body to ensure that the two filter pieces are used for alternately filtering and back washing, and filtered sewage or surface water enters the heat pump set or the heat exchange device again to carry out cold and heat exchange. The invention is suitable for a cold and heat source system of the sewage or the surface water.

Provided is a polishing liquid which is used for chemical mechanical polishing of a body to be polished having a layer containing polysilicon or a modified polysilicon, and using which the polishing rate of a layer containing a silicon-based material other than polysilicon is high and polishing of the layer containing polysilicon can be selectively suppressed. The polishing liquid includes components (A), (B), and (C), has a pH of from 1.5 to 7.0, and is capable of selectively polishing a second layer with respect to a first layer: (A) colloidal silica particles having a negative ζ potential; (B) phosphoric acid or an organic phosphonic acid compound represented by the following Formula (1) or (2); and (C) an anionic surfactant having at least one group represented by the following Formulae (I) to (IV):

R²—C(R³)_3-a—(PO₃H₂)_a  Formula (1):

R⁴—N(R⁵)_m—(CH₂—PO₃H₂)_n  Formula (2):

—PO₃X₂  Formula (I):

—OPO₃X₂  Formula (II):

—COOX  Formula (III):

—SO₃X  Formula (IV).

The invention discloses a high-performance alkaline fuel cell cathode carbon catalyst and a preparation method of the high-performance alkaline fuel cell cathode carbon catalyst. The catalyst disclosed by the invention is a composite carbon material in a core-shell nanostructure, which is prepared by adulterating two elements of Fe and N, using conductive carbon black with a high-ratio surface as an inner core and coating a phthalocyanine iron shell around the inner core. The preparation method comprises the following steps of: weighing and mixing phthalocyanine iron solid powder and the conductive carbon black with the high-ratio surface according to a certain mass ratio, and then preparing to obtain a C@FePc carbon non-noble metal catalyst in the core-shell nanostructure by adopting a simple mechanical ball milling method. The catalyst disclosed by the invention has high-performance oxygen reduction reaction (ORR) catalytic activity, excellent CH3OH/CO tolerance and good stability, the cost of raw materials used in the preparation process is low, the operation is simple and convenient, and the catalyst is easy for large-scale commercialized production.

The invention discloses a method for catalyzing ring-opening polymerization of cyclic ester by a zinc catalyst, and belongs to the technical field of polymer synthetic materials. The problems that anexisting zinc catalyst for catalyzing ring opening of cyclic ester needs the participation of support ligands, and reaction activity and controllability are improved by changing steric hindrance and electrical property of central metal are solved. According to the invention, under the catalysis of a bis(hexaalkyldisilazane)zinc catalyst, lactone is initiated by an alcohol compound to carry out a ring-opening polymerization reaction, and a polyester material with rich structure is obtained. The catalyst adopted by the invention is a green and environment-friendly bis(hexaalkyldisilazane)zinc catalyst which does not need ligand participation, efficient and high-controllable active polymerization of different lactones can be realized under mild conditions, and the monomer universality is verygood, so that various polyester materials with different structures are obtained. The system has good universality for ring-opening polymerization of cyclic ester monomers, catalyzes the synthesis ofvarious degradable polyester materials, and promotes the development of sustainable polymers.

A solenoid section of a solenoid three-way valve includes a yoke attached to a valve housing and formed from a bottomed cylindrical main yoke and an auxiliary yoke closing an open end of the main yoke, a coil assembly inside the yoke, a fixed core slidably fitted into a hollow portion of a bobbin and abutted against a ceiling wall of the main yoke, a movable core facing the fixed core and passing through the auxiliary yoke, and a coil spring compressed between the cores. The fixed core is abutted against the wall by a predetermined spring load and by electromagnetic attraction force between the core and wall based on coil energization. A valve rod is slidably supported in a housing hole, having one end separably abutted against an outer end of the movable core and an opposite end abutted against a valve body.

The invention relates to a method for calibrating thermal processing equipment used for heat treatment of a multilayer substrate, in particular a multilayer semiconductor substrate. A calibration test profile is determined by processing a calibration test substrate according to thermal process parameters that produce multilayer substrates having an even thickness profile, and/or having reduced slip lines and/or reduced wafer deformation, and/or having other desired and predetermined properties. Then a particular thermal processing equipment is calibrated by determining thermal process parameters for that equipment so that a test substrate processed with these parameters will have the determined calibration test profile.

Methods and systems for enhancing of quality of liquid by treating a source liquid to enhance the concentration of low zeta potential crystals and produce a treated liquid having a higher concentration of low zeta potential crystals that that of the source liquid. The inventive system comprises an aqueous liquid source having a threshold concentration of selected minerals and a low zeta potential crystal generator for treating the aqueous source liquid to produce treated liquid having an enhanced concentration of low zeta potential crystals, and at least one filtration device for substantially removing bacteria, viruses, cysts, and the like from the treated source liquid.

The invention belongs to the field of chip preparation, specifically, provides a multi-layer zirconia solid electrolyte composite chip and a preparation method thereof. The multi-layer zirconia solid electrolyte composite chip provided by the invention is formed by alternatively overlying stabilized zirconia oxygen ion conduction membranes (1) and stabilized zirconia cementation isolating membranes (2). The tabilized zirconia oxygen ion conduction membranes use a stabilized zirconia of which a molar ratio is about 8% so as to ensure the conduction of the oxygen ions, and the stabilized zirconia cementation isolating membranes use the stabilized zirconia of which a molar ratio is about 3% so as to improve mechanical performance of the overall composite chip; and the two types of membranes both use the stabilized zirconia so as to implement matching of thermal expansion coefficient and shrinkage factor of the material of each layer. The two types of membranes have different particle sizes and additions to generate different densities, which favors burning off organic matters and organically bonding membranes.

The invention relates to a magnetic bearing used for eliminating magnetic field coupling. The magnetic bearing consists of four magnet cores (1), four coils (7), two magnet isolating rings (5) and four rivets (4). The two magnet isolating rings are matched with the outer circles of the magnet cores by spigots of the magnet isolating rings and are respectively arranged at two sides of the magnet cores to clamp the magnet cores. The magnet isolating rings and the magnet cores are riveted as a whole by the rivets (4). The four magnet cores are respectively winded with a coil (7) to form the whole magnetic bearing. The four magnet cores of the magnetic bearing consist of a plurality of silicon steel sheets which are coincided and are all structured as character E, both two ends of each silicon steel sheet are provided with semicircular slots (2), and the rivets (4) restrain the circumferential position between each silicon steel sheet by the semicircular slots. The magnetic bearing adopts four magnet cores and four coils which are riveted as a whole by the magnet isolating rings made of non magnetic conduction material and the rivets, and each magnet core does not contact with each other, thereby eliminating the magnetic field coupling of the magnetic bearing.

An assembly method and an arrangement of components in a fluid energy machine, in particular a turbocompressor, with a longitudinal axis. The arrangement includes: an inner bundle to be arranged in an outer casing of the fluid energy machine, a low-pressure unit of the fluid energy machine, at least one cover of the fluid energy machine for the axial end-side closure of the outer casing on at least one end side, wherein these components are arranged axially adjacent to one another in the sequence cover, low-pressure unit, inner bundle and the cover is releasably attached to the low-pressure unit and the inner bundle is releasably attached to the low-pressure unit such that there results a transportable unit.

The invention discloses a preparation method of a titanium dioxide loaded graphene base phase-change microcapsule. The preparation method comprises the following steps: (1) preparing graphene oxide through a Hummer method; (2) weighing phase-change materials of fatty acid, multielement alkane and the like, dispersing into an organic solution with a proper amount of surfactant added, and performing ultrasonic dispersion; (3) weighing the graphene oxide prepared in the step (1), adding into the solution, adding a catalyst, and performing stirring treatment at a constant temperature; and (4) slowly and dropwisely adding a certain amount of tetrabutyl titanate into the solution, adding a certain ratio of deionized water, sufficiently hydrolyzing the tetrabutyl titanate under a weak acid condition, then performing vacuum filtration, washing, and performing vacuum drying treatment to obtain the titanium dioxide/graphene compound phase-change material. The method is simple in preparation process; and the prepared phase-change microcapsule has a favorable thermal insulation effect, also has excellent photocatalytic performance, and can be easily popularized and applied in the paint industry.