254results about How to "easy to handle" patented technology

A puncture device with a flexible catheter tube for connecting to a medical infusion line, wherein the device includes a catheter connecting piece or hub attachable at the puncture site on the skin surface of a patient, wherein the catheter hub has a connector for connecting the infusion line and an outlet for the flexible catheter tube; and a needle holder having a puncture needle (stylet), wherein the flexible catheter tube is arranged in the interior of the catheter hub and extends out of the outlet with an output end. The end of the flexible catheter tube opposing the output end is located in the interior of the catheter hub in the area of the connector and is separated from the surrounding area by a septum, wherein the needle holder securely fastens the puncture needle insertable into a passage channel of the catheter tube at the end opposing the pointed or sharp puncture tip. The outlet is located at the bottom side of the catheter hub resting on the surface of the patient in the position of use and the puncture needle is made without a duct.

Projector units in a table display a content list, a content selected by the content list and the like, on screens. Infrared rays are uniformly irradiated to the screens from a plurality of infrared LED's. A camera unit images the silhouette of an object touching the screens to judge whether the silhouette is formed by a pointing member such as a fingertip for touching the content list or by an object other than the pointing member. If it is judged that the pointing member such as a fingertip touches the screens, a content menu is selected from the content list.

Processes are provided for making dense, spherical mixed-metal carbonate or phosphate precursors that are particularly well suited for the production of active materials for electrochemical devices such as lithium ion secondary batteries. Exemplified methods include precipitating dense, spherical particles of metal carbonates or metal phosphates from a combined aqueous solution using a precipitating agent such as ammonium hydrogen carbonate, sodium hydrogen carbonate, or a mixture that includes sodium hydrogen carbonate. Other exemplified methods include precipitating dense, spherical particles of metal phosphates using a precipitating agent such as ammonium hydrogen phosphate, ammonium dihydrogen phosphate, sodium phosphate, sodium hydrogen phosphate, sodium dihydrogen phosphate, or a mixture of any two or more thereof. Further provided are compositions of and methods of making dense, spherical metal oxides and metal phosphates using the dense, spherical metal precursors. Still further provided are electrodes and batteries using the same.

A circuit and a method for an effective way to customize the display driver software of any type of LCD-display and any type of LCD-driver chip used in an LCD display system is achieved. This is important in a multiple sourcing environment where LCD driver chips and LCD modules from different vendors are used in LCD display systems. This is accomplished through identification and registration of the information relevant for the said software customization by storing said information in an LCD module identification register. A microprocessor controlling the LCD display system is reading this identification register and providing the software customization elements specific to the LCD-driver chip and to the LCD-module during an initialization step of the system.

The invention relates to a Chinese search engine mixed speech-oriented query error corrosion method and a Chinese search engine mixed speech-oriented query error corrosion system. A mixed speech-oriented heterogeneous character tree dictionary and a language model constructed based on high-frequency or high-clicking frequency user query log are adopted for the characteristics of mixed speech query of a Chinese search engine to perform synchronous segmentation and error correction on the query of a user, and the aim of segmenting the query by switching states is fulfilled; N optimal completed states and M optimal uncompleted states after the edition of each step are recorded by adopting double queues, so that error correction speed is ensured, and in addition, an optimal segmentation mode and a corresponding substitute entry combination are obtained; and a judgment is made by utilizing the characteristics of a final error correction result candidate set, and error correction results consistent with limit conditions are output, so that accuracy is effectively improved.

The present invention provides a net trade advice system in which not only data such as stock prices is presented, but also asset management advice can be obtained as if a user is served by a professional adviser at the window, and transactions can be made.

The present invention provides an asset management advice system that comprises a database storing purchase and sale signals relating to assets to be traded, which signals are calculated based on data such as stock prices, foreign exchange market prices and commodities-futures prices, the amount of remains (such as the amount of issuance of securities and the amount of existence of commodities), and the volume of business (such as trading volume and purchase and sale prices) of assets to be traded. A processing means that produces a suitable investment scenario when a user's property information (constraints such as user's preference with respect to asset management and capitals) is inputted from a user terminal, and refers to the purchase and sale signals to send management advice data based on the investment scenario to the user terminal, and performs an asset transaction in accordance with a response to the management advice data from the terminal.

The invention provides a method for testing the proton/single event effect resisting capacity of a device. The method comprises the following steps of: 1, providing the device to be tested; 2, performing proton-induced single event upset (SEU) detection to acquire the upset condition of a device position; 3, performing proton-induced signal event latchup (SEL) detection to acquire current and power consumption of the device; and 4, processing and analyzing the test data according to the upset data and the current and the power consumption of the device to acquire the proton/single event effect resisting capacity of the device. By the method, a single event effect of a space radiation environment for a semiconductor device for space navigation can be effectively and truly simulated, and the proton/single event effect resisting capacity of the device can be acquired accurately and sensitively.

The present invention relates to a test method of out-of-shell permeability of fibre fabric. Said method includes the following processes: firstly, preparing fibre fabric to be tested into ribbon-like form and making it into winded circular disk sample; placing said sample into a test die equipment formed from upper die and lower die, clamping and making centre of sample be aligned with centre of fluid injection hole on the lower die; utilizing fluid injection system to inject fluid with constant pressure; utilizing pressure sensor and computer data acquisition system to acquire pressure value, at the same time utilizing digital camera to record the position where the fluid is passed through fibre fabric sample flow front edge; then utilizing the data obtained by test experiment to calculate the said out-of-shell permeability according to the Dashi law.

Provided is an inference-based home network error handling system and method capable of recognizing an error which occurs in a home network environment including a plurality of devices and services that are connected and executed, handling the error on the basis of an inference function, and providing support information used to recognize a cause of the error and handle the error to the user for the convenience of the user. Accordingly, errors are recognized according to devices, networks, and services, types of the errors recognized by applying inference rules set in advance and error handling rules are inferred, a result of the inferring is provided to the user, and error handling operations are performed according to a selection of a user.

The invention relates to a panel and a locking system (1) for panels (2, 3) with edge profiles provided on at least two opposite edges of the panels (2, 3) for the positive connection of similar panels (2, 3), including an edge profile designed as a groove profile (4), with an upper groove wall (6) and a lower groove wall (7), and an edge profile designed as a tongue profile (5), with a notch projection (12) on the underside of the tongue that engages a notch recess (11) in the lower groove wall (7) of an adjacent panel in the assembled state, where the engaged edge profiles form an articulated joint (G) that acts to restore the panels (2, 3) to their installation plane when deflected either up or down, where the upper groove wall (6) has a flank (21) on the inside that opens towards the free end of the groove wall (6).

An aggregate pier compacting system for forming a compacted aggregate pier (AP) at a target location includes a mandrel, a tamper device, and a finishing tamper device. The mandrel includes a casing for housing a drilling shaft (DS). An external vibratory hammer (EVH) repeatedly impacts a hammer element (HE) extending from the DS. The DS transfers the impact to a bore head to form a cavity at the target location. The DS is removed and the casing is filled with aggregate. The tamper device includes a compacting shaft. The EVH impacts a second HE extending from the compacting shaft and transfers the impact to a compaction head to form the compacted AP. The finishing tamper device includes a shaft. The EVH impacts a third HE extending from the shaft and transfers the impact to a finishing head compacting a top layer of the AP to form a finished AP.

The invention discloses a high purity low molecule biphenol an epoxy resin synthetic process which comprises, throwing bisphenol A, epichlorohydrin, carbonate or anion exchange resin into autoclave, agitating, elevating the temperature to 60-110 deg. C for 3-10 hours till the end of reaction, filtering, scouring filter cake 1-2 times with epichlorohydrin, and proceeding vacuum distillation to the filter liquor. The molar range of proportionality of the raw material bisphenol A, epichlorohydrin and carbonate or anion exchange resin is 1:4-20:2-10.

Disclosed is a folding chassis of manually driven carrier vehicles, for example, hand trucks, carts, and strollers, capable of moving over uneven, soft or spongy surfaces and surmounting obstacles. The chassis includes a frame having a reference plane and an arm having a first axis and a second axis, said arm being attached rotatable around the first axis to said frame and configured for attaching rotatable, around the second axis, a wheel arrangement having a diameter at least equal to a half of a width of said frame. Said arm is configured to pivot between at least a first and a second positions of said wheel arrangement, wherein, in the first position, said wheel arrangement is generally perpendicular to said reference plane and wherein, in the second position, said wheel arrangement is adjacent and parallel to said reference plane.

A light-emitting device which comprises as one unit a semiconductor light-emitting element; a first liquid for condensing the light from the semiconductor light-emitting element; a second liquid that is separate from but contacts the first liquid; an airtight space in which at least first liquid and second liquid are disposed; and first and second electrodes to which voltage is applied so as to change the shape of the interface between first liquid and second liquid and adjust the condensed state of the light from semiconductor light-emitting element.

The present invention relates to a simple, direct and cost-effective process for the preparation of agarose of high gel strength and low gelling temperature from naturally occurring or cultivated Gracilaria spp. more particularly Gracilaria dura, said process comprising steps of pre-treating the dry seaweed with alkali, rinsing the pre-treated seaweed until the washing shows a pH ranging between 7 and 8, adding water, autoclaving to obtain extractive, treating the extractive with charcoal and Celite to obtain hot extractive, vacuum-filtering the hot extractive over a Celite bed, freezing the filtrate into a mass and thawing the mass, redissolving the mass in water by heating in an autoclave, repeating the freeze-thaw cycle, straining the product to remove thawed liquid and thereafter squeezing to expel residual liquid to the extent possible to obtain agarose, and an agarose thereof.

A surgical reduction clamp has a first clamping arm and a second clamping arm movable relative to the first clamping arm. The first clamping arm comprises a base portion, a tip portion, a joint movably coupling the tip portion to the base portion, and a locking member adapted to lock the joint so as to fasten a position of the tip portion relative to the base portion. The joint is a revolute joint having a spherical portion which can be locked into position by a clamping force.

The invention relates to a preparation method of a high-performance superlow-palladium-capacity anode electrocatalyst Pd-CoP/C of a direct formic acid fuel cell and belongs to the technical field of fuel cells. The preparation method comprises the following steps: dispersing a carrier and cobalt chloride hexahydrate in water, drying to obtain a first compound carrier by distillation after ultrasonic dispersing and stirring; mixing and grinding the first compound carrier and hydrated sodium hypophosphite for one-hour reaction, and washing and drying the reactant to obtain a second compound carrier; dispersing the second compound carrier in glycol, adding hexachloropalladate, and performing ultrasonic dispersing and stirring to obtain a first turbid liquid; stirring the first turbid liquid at the room temperature, and regulating the pH value with sodium hydroxide to obtain a second turbid liquid; performing microwave radiation on the second turbid liquid, and obtaining a supported palladium catalyst. The palladium-based catalyst prepared by the method has extremely high catalytic activity and relatively high stability to formic acid electro-oxidation. Meanwhile, the capacity of the precious metal palladium can be reduced, and the method is simple to operate, short in preparation period and suitable for mass production.

A method of forming a grout trough for a wind turbine foundation replaces the heavy and single piece template with a plurality of arc-shaped sections which are light weight and connected together to form the grout trough. The individual sections include mechanisms which enable the sections to be removed from the cured concrete by rotation of nuts on the anchor bolts which either pushes or pulls the template section away from the contact with the cured concrete. An embodiment of an individual section has a lifting bale which may be used to pick up an entire bolt package of up to twenty bolts.

A photovoltaic module includes a photovoltaic module body and frames mounted to a periphery thereof. The frame includes a main body having a hollow structure and a fit-engagement portion located above the main body and fittingly receiving the periphery of the photovoltaic module body. The main body of the frame is formed with a mounting portion into which a press-insertion member is press-inserted and which has a great outside wall thickness and a small inside wall thickness in section. The frames are fixed to each other by press-inserting the press-insertion member into the mounting portions thereof.

The invention provides a process method of synthesizing tenofovir alafenamide. The tenofovir alafenamide is finally obtained through esterification, acylating chlorination, amidation and chiral splitting by taking (R)-9-(2-methoxyl propyl phosphate) adenine as an initial raw material. The process method provided by the invention is low in process cost, mild in reaction condition and simple and controllable in operating method, avoids use of a lot of toxic reagents, and is good in environment-friendly safety and stable in product quality.

A liquid polyethercarbonatediol compound, useful for producing a thermoplastic polyurethane having excellent weathering resistance, softness and stretchability, comprises a reaction product of (1) a carbonate-ester compound with (2) a polyetherdiol compound having, in the molecular structure thereof, structural units of -RO-(a) and structural units of —(CH₂)—O-(b) and/or —CH₂CH(CH₃)—O-(c), in which reaction product, average molecular numbers n and m of the structural units (b) and (c), per mole of the structural units (a) satisfy the requirements: O≦n≦5, O≦m≦5 and 1<(n+m)≦5.

The invention discloses a copper plating process for aluminum wires, which is low in cost and capable of producing copper-coated aluminum wires in various specifications. The process comprises the following steps of subjecting the aluminum wires to alkali washing, washing, acid washing, washing, primary zinc dipping, washing, zinc removal, washing, secondary zinc dipping, washing, nickel plating, washing, copper plating, hot-water washing and drying in turn. The copper plating process has the advantages that the process can produce the copper-coated aluminum wires in various specifications, is simple in production process, adopts no cyanide, is simple in treatment for wastewater and waste steam, and is low in production cost, thereby ensuring the lower price of the copper-coated aluminum wires.

A system or method of charge particle beam induced materials processing is disclosed. A charged particle beam (electron or ion) is focused at the interface of a substrate and a bulk liquid. The beam induces a localized chemical reaction that results in deposition or etching of deterministic micro- or nano-scale structures. The bulk liquid reactants permit the deposition and etching of metals, semiconductors, and insulators. A charged particle transparent membrane separates the liquid reactant from the vacuum chamber in which the beam is transmitted. In many cases, bulk liquid reactants permit processing of materials with much higher purity that of the prior art and permit processing of materials previously unavailable in charged particle beam processes.

An improved lacrosse stick design and method of using same providing, inter alia, (1) an extendable lacrosse stick, (2) a quick release head/stick design, (3) a method of changing the lacrosse stick head or stick length “on the fly” so as to avoid leaving the playing field, and (4) a method of changing a lacrosse head or stick length without the use of any tools.

The invention discloses a high-efficiency ore cleaning, grinding and crushing integrated device, which includes an inlet pipe, a cleaning tank, a box body, a sieve plate, a dryer, a collecting bucket, a mill, a return pipe, a solid pump, a fan, and a crude ore outlet Pipe and crusher, the top of the cleaning tank is provided with an inlet pipe, the cleaning tank is connected to the crusher through a feeding pipe, a sieve plate is installed on the inside of the box, a crude ore export pipe is provided on one side of the box, and the bottom of the sieve plate There is a collection hopper, the lower surface of the collection hopper is provided with a dryer, the inner wall of the box is provided with a fan, the bottom of the collection hopper is connected to the inlet end of the mill, the outlet end of the mill is provided with an outlet pipe, and a filter is installed obliquely inside the outlet pipe. The bottom of the cabinet is provided with an inclined guide plate, and the lowest end of the inclined guide plate is provided with an outlet pipe. The invention is convenient for crushing, avoids dust outside the ore from affecting the detection result, facilitates detection of the content of each substance in the ore, ensures the accuracy of the detection result, has a simple structure, is convenient to use, and is beneficial to popularization.

A nut having a nut body, a spring case, a washer, and a nut body urging spring. The nut body has received in it at least three or more nut segments and a nut segment urging spring, where the nut segments are, when rotated in the tightening direction after a bolt is inserted into the nut segments, screwed on to the thread of the bolt inserted. The spring case is attached at its upper end to the outer circumferential surface other than the upper part of the nut body so that the spring case is rotatable together with the nut body. The washer is rotatably attached to the lower part of the spring case. The urging spring is installed such that its one end received in the spring case is connected to the spring case or to the nut body and the other end to the washer, so that the urging spring can constantly urge the nut body in the tightening direction when the nut body is screwed on the bolt. When the nut is fitted on the bolt and rotated in the tightening direction, at least the three or more nut segments are screwed on to the thread of the bolt, causing the nut body in which the nut segments are received to be constantly urged in the tightening direction, which eliminates play of the nut segments to keep the nut and the bolt in a state where they are reliably screwed to each other.

The invention provides a high-speed ADC (Analog to Digital Converter) sampled data receiving and buffering method and system based on an FPGA (Field Programmable Gate Array). The system mainly comprises a data receiving delay unit, a data speed-down unit, a clock receiving delay unit, a clock processing unit, a data combination storage unit and a control unit. Inside the FPGA, the data speed-down unit is used for lowering the speed of a data signal, a clock signal uses double-edge latch data, and the data delay unit is used for performing delay adjustment on a plurality of pairs of data signals, so that simultaneous hop of the pairs of data signals is ensured; the hop edge of the clock signal is positioned in the center of the data signal; the data combination unit is used for combining and arranging widened and slowed-down data to recover practical waveform data; the practical waveform data is stored in the data storage unit. By adopting the method and the system, a plurality of paths of data signals and clock signals accompanying the data can be received simultaneously, and the functions of circular storage, pre-trigger recording, sequential read-out and the like of the data signal are realized.

To provide a rotational angle detecting device for securing accurate information on the rotational angle without time lag and a detector incorporated bearing assembly having the rotational angle detecting device, a magnet having an anisotropy in a circumferential direction about the rotation axis is mounted on a rotating member and a magnetic sensor having magnetic sensor elements is arranged on a stationary member so as to confront the magnet. An angle calculating unit for measuring an intensity of magnetic field of the magnet from an output of the magnetic sensor elements and for detecting the rotation angle of the rotating member based on the measured value, and a delay time correcting unit for correcting a delay time between detection of the magnetic field of the magnet by the magnetic sensor elements and output of a detected angle from the angle calculating unit are employed.

An apparatus for hemo(dia)filtration comprises an extracorporeal blood circuit and a supply line of a replacement fluid to the extracorporeal blood circuit. The supply line has a bifurcation which divides a main branch (24) into a pre-dilution branch (25) and a post-dilution branch (26). A pump tube tract (29) is predisposed in the supply line for coupling with a circuit pump of the replacement fluid. An expansion chamber is predisposed in the extracorporeal blood circuit and is fluidly connected to the pre-dilution branch. The invention provides a disposable fluid circuit usable for performing a hemodiafiltration treatment with pre-dilution and post-dilution which is couplable simply, rapidly, economically and reliably to a machine for monitoring the treatment.

An evaporator core includes a separable housing and a fin assembly. The housing is installed in such a manner that both sides of the housing are open, and a guide rail is installed on an upper surface and a bottom surface of the interior of the housing. A tank is integrally attached to an upper side of the housing and communicates with the housing. A fin assembly is installed in such a manner that the fin assembly slides along the guide rail of the housing for thereby being disengaged or engaged. A rain groove is formed in an upper and lower surface of the fin assembly.