The invention relates to a curve drafting method for equipment or a software system. In the concrete, the method is as follows: when the equipment or the software system is reading in signal data externally collected at real time for a long time, or when the equipment or the software system is reading in static data with large capacity, a data index tree or numerical value tree or coding tree is s...

The invention provides an energy storage high energy sealing maintenance-free lead-acid accumulator. The capacity of a 2V series wind energy system energy storage lead-acid accumulator which is produced by utilization of the invention is 2.55 times of JB/T 9653-1999 standard requirements, thereby high energy of the lead-acid accumulator is realized and over 30 percent raw materials can be saved.

The invention provides a copolymer based polymer electrolyte material used for a lithium cell, which comprises a copolymer matrix and alkali metal salts, wherein, the copolymer matrix consists of ethylene oxide cells and propylene oxide cells. The invention also provides a composite electrolyte membrane which comprises the polymer electrolyte material and a preparation method thereof. The copolyme...

The invention provides a sealing maintenance-free lead-acid accumulator used for a mine safety cap lamp, wherein, the weight of the accumulator is close to that of a lithium ion battery and the volume of the accumulator is smaller than that of the lithium ion battery. Actual capacity of the accumulator which is fabricated by utilization of a 80mmx30mmx90mm battery case reaches 6 Ah, and lighting-u...

The invention provides a high energy sealing maintenance-free lead-acid accumulator used for a ship, which has complete interchangeability with the prior ship lead-acid accumulator and realizes high energy, sealing and maintenance free. Compared with the prior ship battery, battery capacity improves 120 percent under the condition of the same volume; discharge time of 10 hour rate is raised from 1...

The present invention provides a method of improving lithium ion secondary battery safety and a lithium ion secondary battery. In the method, the surface of a positive or negative plate is coated with an alumina film after coating drying and before rolling. As the positive or negative plate the surface of the positive or negative plate after coating drying and before rolling is coated with an alum...

The present invention relates to a storage battery capacity testing and repairing device, in particular to a capacity testing and repairing instrument which uses constant-current discharge to test battery capacity and uses high-frequency pulse to repair storage batteries. The present invention introduces a microprocessor on the basis of the prior lead acid storage battery capacity testing and repa...

A tunable band pass filter is provided. The tunable band pass filter includes a band pass filter and a plurality of switches coupled to the band pass filter. The band pass filter includes a plurality of transconductors and a plurality of capacitors. The tunable band pass filter can be configured as a complex band pass filter or as a tuning device for tuning the center frequency of the complex band...

Method of arc welding or beam welding/soldering of workpieces (A) of steel, cast iron, Ni, Cd, Be, Ti, Mo, Mg, Al, Cu, Pb, Zn, Sn, hard metal and their alloys to workpieces (B) of the same metals and their alloys, where the A and B workpieces, which can be the same or different metals, are brought into contact with molten metal alloying additives involving:(a) positioning of the workpieces, (b) me...

Drill bits and methods for sampling sensor data associated with the state of a drill bit are disclosed. A drill bit for drilling a subterranean formation comprises a bit body and a shank. The shank further includes a central bore formed through an inside diameter of the shank and configured for receiving a data analysis module. The data analysis module comprises a plurality of sensors, a memory, a...

PROBLEM TO BE SOLVED: To maximize a free space above a differential gear mechanism without increasing the size of a transmission case in a transmission comprising a traveling transmission mechanism having an HST, a planetary gear mechanism, a traveling gear transmission mechanism, and a differential gear mechanism and a PTO transmission mechanism having a PTO clutch mechanism. Ž

SOLUTION: The...

A gas analyser (12) comprises a transistor (1) that has a cavity (7) between its gate (2) and its organic semiconductor (6) based conducting channel. In operation a component from a gas sample introduced into the cavity (7) may absorb onto an exposed absorption sensitive surface portion of the organic semiconductor (6). A detector (13) detects a change in the threshold voltage of the transistor ca...

The present application describes a method for pretreating a biological sample from an autoimmune disease subject in order to avoid interference, especially where the sample is to be subjected to a cell-based biological activity assay, such as a neutralizing antibody assay.

In an X-ray CT apparatus having a multi-slice detector, the retrospective ECG (Electrocardiography) gating imaging is applied to helical scans. Discontinuity of projection data generated in the scans is interpolated using data at a heartbeat time phase in 180-degree opposite relation to reduce motion artifacts. Further, projection data at an arbitrary slicing position and in at arbitrary heartbeat...

Coiling device ("R") and relative method for a windable long, metal product (10). The device ("R") comprises a mandrel (12) having a substantially circular transverse section and rotating around a horizontal, vertical or inclined axis, a containing element (13) to contain the metal product (10) arranged in correspondence with the mandrel (12) and substantially orthogonal to the axis, and at least ...

An offset printing machine layout unit feeds printed sheets to a second stack (8) or folding (13) or other processing unit under the sheet transport belt (3, 4) system (5) using a toothed guide (22) to a sheet transporter (20) fed in the pickup drum (7) rotation direction (10).

An adhesive tape application tool (1) usable for applying an adhesive tape to a door sash frame (80) of a vehicle, for example, quickly without causing bubbles incorporated or without deviation of tape applying positions even if the door sash has a form of a curve with a small radius or curves steeply with a corner. The adhesive tape application tool includes: an application part (5) for pressing ...

A method of manufacturing a tool component, which is typically a cutting element or a gauge stone in a rotary drill bit, including a layer of ultra-hard abrasive material bonded to a substrate, the layer of ultra-hard abrasive material comprising a pair of opposed end surfaces, an upper surface defined between the end surfaces, and at least one curved and tapered cutting edge defined at the inters...

In a dehumidification unit comprising alternate laminations of an adsorption element (1) which supports an adsorbent and which is provided with a first air ventilation passage (3) and a cooling element (2) which is provided with a second air ventilation passage (4), the first air ventilation passage (3) of the adsorption element (1) and the second air ventilation passage (4) of the cooling element...