55results about How to "Large number of cores" patented technology

The embodiment of the invention discloses a control method for a central processing unit and terminal equipment, which are applied to the technical field of mobile communications. The method in the embodiment of the invention comprises the following steps of monitoring the frame rate of a currently-running application program in the terminal equipment; judging whether the frame rate of the currently-running application program is smaller than a first preset threshold or not; if the frame rate of the currently-running application program is smaller than the first preset threshold, improving the number of running kernels of the central processing unit and/or the working frequency of the kernels of the central processing unit. According to the embodiment of the invention, the power consumption of a CPU (Central Processing Unit) and the limitation of performance optimization are reduced.

The invention relates to an all-dielectric large-core-number high-density micro pipeline wiring cable and a manufacturing method of the all-dielectric large-core-number high-density micro pipeline wiring cable and belongs to the technical field of optical communication cable manufacturing. The all-dielectric large-core-number high-density micro pipeline wiring cable is a data communication optical cable and is suitable for various laying conditions of outdoor pipelines, overheads, road surfaces and the like and can be used for environments of long-distance communication, interoffice communication, indoor introduction and the like. The all-dielectric large-core-number high-density micro pipeline wiring cable has the advantages of being large in core number, small in outer diameter, high in tensile strength, high in side-pressure-resisting capability, good in water blocking effect and bending capability, easy to construct, easy to bifurcate and the like. The all-dielectric large-core-number high-density micro pipeline wiring cable is composed of a water blocking type optical fiber micro pipe, large line density water blocking yarn, a water blocking band, glassfiber reinforced plastic rods, aramid fibers, a tearing rope and an outer protection sleeve. The water blocking type optical fiber micro pipe is twisted to form a water blocking type optical fiber micro pipe cable core, the outer portion of the water stopping type optical fiber micro pipe cable core is longitudinally wrapped through the double-face insulating type water blocking band, the high-strength aramid fibers and the tearing rope serve as strengthening parts, the two glassfiber reinforced plastic rods are adopted in the outer layer to be strengthened in the outer protection sleeve in parallel, and the tensile performance of the all-dielectric large-core-number high-density micro pipeline wiring cable is enhanced.

The invention provides a preparation method of a high-manganese low-chromium alloy wear-resisting ball. The preparation method comprises the steps that raw materials are firstly smelted to obtain alloy liquid, and modification is carried out on the alloy liquid; a covering agent is added to the surface of the alloy liquid obtained after modification, still standing is carried out, refining desulfuration and deoxygenation are carried out, and detection is carried out; the alloy liquid is poured, and a casting is obtained through casting forming and cleaning; and the casting is precooled, the precooled casting is placed in a NaNO2 saline solution for quenching treatment, tempering treatment is carried out after quenching is finished, and finally the finished high-carbon middle-chromium alloy wear-resisting ball is obtained after the casting is cooled to room temperature. According to the prepared high-manganese low-chromium alloy wear-resisting ball, tensile strength is improved by 0.7%, yield strength is improved by 6.1%, ductility is improved by 10.8%, impact toughness is improved by 17.9%, and hardness is improved by 0.3 of HRC.

The invention relates to a nodular cast iron rare-earth magnesium silicon nodularizer, comprising the following components by weight percent: 12-15% of Mg, 0.5-2.0% of Re, 42-50% of Si, 3.5-5.5% of Ca, 0.5-1.0% of Ba, 2.0-5.0% of Mn, 0.5-1.5% of C, less than 1.5% of Al, and the balance of Fe. The components are prepared into granules by a conventional mix-melting method and crushing, so as to obtain the nodular cast iron rare-earth magnesium silicon nodularizer. The nodularizer is in an irregular block shape; the grain size is 3-25mm or 5-40mm. According to the nodular cast iron rare-earth magnesium silicon nodularizer, the content of magnesium is improved; the spheroidisation cost can be significantly reduced; meanwhile, the nodular cast iron rare-earth magnesium silicon nodularizer is stable in spheroidisation quality and good in graphite ball roundness; the effects such as purification of molten iron, facilitation of graphitization, delaying of degraded spheroidization and facilitation of nucleation refined organization and the like can be achieved by adding Re, Ca, Ba, Mn and C.

The invention provides an LRM (Line replaceable module) low-frequency high-density surface mount connector plug, which comprises a shell A, a shell B, a lock screw, a guide pin, a coding piece and a low-frequency high-density surface mount base assembly, wherein the flange of the low-frequency high-density base assembly is clamped by the grooves of the shell A and shell B; the shell A and the shell B are fixed together by screws so as to fix the connector; the guide pin is locked in a corresponding screwed holes on the shells in a thread way, and the coding piece is in the interference fit with the grooves of the shells. The connector plug has simple structure, spectrum arrangement density and core quantity can be increased by changing the end connection mode of ends. The invention provides a 2-row circular arc surface-mount structure for a connector, which is formed by bending the tail ends of 8 rows of contact elements.

The invention discloses a dual self-holding optical fiber ribbon type wiring optical cable. The dual self-holding optical fiber ribbon type wiring optical cable comprises an optical fiber ribbon, reinforcement members, messenger wires and an oversheath. The wiring optical cable is symmetrical on the left and on the right; the optical fiber ribbon is disposed at the center of the wiring optical cable; the two messenger wires are respectively disposed at the left end and the right end of the wiring optical cable; the two reinforcement members are respectively disposed between the optical fiber ribbon and the corresponding messenger wires; and the oversheath is disposed at the peripheral side of the wiring optical cable. The wiring optical cable provided by the invention is large in cable core number, small in dimension and high in tensile strength, and can be applied to machine room wiring or fiber to the premise of indoor and outdoor buildings.

The invention discloses a rare earth aluminum alloy, and belongs to the technical field of aluminum alloy preparing. The rare earth aluminum alloy comprises the following raw materials of aluminum, copper, vanadium, manganese, tin, chromium, a rare earth element, titanium carbide, tungsten carbide, tungsten silicide, tungsten, a refining agent and a grain refiner; and the rare earth aluminum alloyis prepared through the steps of fusion, refining, drossing, casting and the like. By means of the process, the strength of extension, the elongation at break and the corrosion resistance of the rareearth aluminum alloy can be obviously improved.

The force density of the transverse flux reluctance type low-speed large-torque direct drive synchronous motor is 3-5 times that of the existing radial flux motor. The motor consists of a stator and arotor iron core, a stator and a rotor base body, a phase winding and the like. The stator and the rotor iron core are manufactured by adopting silicon steel sheet punching, rotor iron core punching,cambered surface lamination and argon arc welding to form a stator and a rotor iron core. The stator base body and the rotor base body are axially divided into an m-phase segment, and the pole logarithm of each phase segment is p. The m-phase annular winding is directly wound on the channel of each phase of the stator base, and 2p stator cores are installed in each window segment, distributed circumferentially around the motor axis; 2p rotors are installed in the window hole of each phase of the rotor base, distributed in a circumferential array around the axis of the motor. Each phase rotor core is radially aligned, and each phase stator core is radially offset from each other by a 1/m pole pitch angle. Under the same rated power, the invention realizes the multi-pole logarithmic design of the motor by reducing the thickness of stator and rotor core and increasing the number of stator cores.

The invention discloses a graphic processor parallel solving method for polymer molecular weight distribution solving. The method comprises the following steps of: establishing a dynamic analog mechanism model of free radical polymerization reaction to solve polymer molecular weight distribution; decomposing the mechanism model into a small-scale free radical polymerization reaction model and a large-scale free radical polymerization reaction model by a decoupling method; solving the small-scale free radical polymerization reaction model by utilizing a step and order changing backward difference method; and solving the large-scale free radical polymerization reaction model by a parallel sequential method to accelerate the solution of molecular weight distribution calculation by using a graphic processor of the NVIDIA corporation as a calculation platform. Compared with the traditional nonparallel polymer molecular weight distribution solving method, the invention can fully utilize thecharacteristic of high parallel processing ability of the current graphic processor and improve the solving speed of model calculation. The method adopted by the invention has concise and clear principle and is convenient to realize on a computer system with the NVIDIA graphic processor.

The invention relates to the filed of outdoor optical fiber cable home entrance and indoor FTTH (Fiber To The Home) network cabling. An optical fiber cable comprises a subunit, a central reinforcement piece, an enhancing belt and a sheath, wherein the end face of the subunit is a round on which fan-shaped grooves are symmetrically distributed, the subunit is internally provided with an optical fiber and the reinforcement piece, the subunit is twisted around the central reinforcement piece, the outside of the subunit is provided with a water-blocking tape, the outside of the water-blocking tape is longitudinally provided with an aramid fiber enhancing belt, a sheath protective layer is arranged at the outside of the aramid fiber enhancing belt, and a rip cord is placed between the enhancing belt and the sheath. The optical fiber cable is rational in design, compact in structure, easy to manufacture, low in cost, light in weight, excellent in flexibility, convenient to use and maintain, high in optical fiber density, easy to find and separate the optical fibers, excellent in flame resistance, and capable of being used for indoor multi-purpose cabling and outdoor optical distribution cable.

The invention relates to a graphene-containing cast iron inoculant and a preparation method and using method thereof. The invention provides the cast iron inoculant comprising 0.01%-10% by weight of graphene. When used for inoculation, the cast iron inoculant provided by the invention can achieve a better inoculation effect with a smaller addition quantity.

The invention discloses a thin-wall adhesion-facilitating polar polypropylene material, and belongs to the technical field of preparation of polypropylene composite materials. The thin-wall adhesion-facilitating polar polypropylene material is prepared from the following raw materials: PP (polypropylene), POE (polyene elastomer), maleic anhydride-grafted PP, nano calcium carbonate, CPE (chlorinated polyethylene), MBS (methyl methacrylate), barium sulfate, a rare earth coupling agent, an antioxidant, a dispersant, nano titanium carbide, nano tungsten carbide, tungsten silicide and tungsten powder; the polypropylene material is prepared by steps of mixing, plasticization, water-cooled bracing, granulation and the like. By the adoption of the process disclosed by the invention, the tensile strength, the elongation at break and the like of the thin-wall adhesion-facilitating polar polypropylene material can be obviously improved.