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257results about How to "Optimize structure" patented technology

Cloud measurement and control boiler system automatically discharging sewage according to sewage discharging ratio

The invention provides a boiler system. The boiler system carries out automatic control according to the mass of discharged sewage and the amount of water input into a boiler. A monitoring diagnosis controller is in data connection with a cloud server, so that monitored data are transmitted to the cloud server, the cloud server is connected with a client side, and the client side can obtain the monitored data by means of the cloud server. By means of the client side, the sewage discharge operation condition can be mastered in time, sewage discharge parameters can be adjusted in time, and the situation that due to sewage discharge faults of the boiler, a large amount of heat wastes is avoided.
Owner:SHANDONG UNIV OF TECH

High oil absorption resin based on rubber and its preparation method

A rubber-based resin with high oil absorptivity is proportionally prepared from rubber, alkylstyrene, cross-linking agent, disperser, co-disperser, free radical polymerization trigger, dispersing medium and solvent through adding dispersing medium, disperser and co-disperser into flask, heating to 30-40 deg.C by oil bath under protection of inertial gas, keeping the temp for 20-30 min, adding others in 4-opening flask, variable-speed stirring, reacting, ageing, filtering, washing and vacuum drying.
Owner:DONGHUA UNIV

Full-automatic vertical PE (Poly Ethylene) film packaging machine

The invention discloses a full-automatic vertical PE (Poly Ethylene) film packaging machine, which comprises a main machine frame, a lifting device, a downward pressing device, a travelling device, a revolving device, a driving device, a film clamping device, a film frame device, a roller conveyor, a jacking device, an automatic control system, a pneumatic system and a hydraulic system. A driving shaft of the lifting device is supported by four pivots and driven by a built-in motor; due to the film frame device, a film can be pre-stretched to 250%, so that material consumption can be reduced; by means of the suspension installing manner of the film clamping device, film tails cannot be generated while packaging; power and communication signals are obtained in a closed 8-pole sliding contact line by adopting double electric brushes, so that the signals cannot be lost in the operation process; in addition, in the event of lifting a material to package, the upper head face and the lower head face of the material are wrapped to a certain extent with the help of the tension of the film.
Owner:中轻长泰(长沙)智能科技股份有限公司

Zoom lens and imaging apparatus

Disclosed are a zoom lens and an imaging apparatus having a high zoom ratio, a small total length, and a small overall size. A zoom lens includes a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, a fourth lens group having a negative refractive power, and a fifth lens group having a positive refractive power which are arranged in this order from an object side. A gap between the lens groups is changed to change power. The zoom lens satisfies the following Condition expression 1: 0.05<|f4| / ft<0.25   [Condition expression 1] (where ft indicates the focal length of the entire system at a telephoto end and f4 indicates the focal length of the fourth lens group).
Owner:FUJIFILM CORP

System energy efficiency controller, energy efficiency gain device and smart energy service system used for energy utilization

A system energy efficiency controller connected (105) to at least one of an energy generation device (101), an energy storage device (102), an energy utilization device (103) and an energy regeneration device (104) is disclosed for enabling energy utilization. Said system energy efficiency controller (105) cooperatively controls the input and output of a ubiquitous energy flow of at least one of the energy generation device (101), the energy storage device (102), the energy utilization device (103) and the energy regeneration device (104). Said ubiquitous energy flow includes at least one of an energy flow, a material flow, and an information flow. Also disclosed are an energy efficiency gain device, an energy efficiency matching station and a smart energy service system, which are connected with the controller (105). The present invention optimizes the entire process of energy utilization using the system energy efficiency controller (105), thus improving the system energy efficiency.
Owner:ENN SCI & TECH DEV

Electrolyte and lithium ion battery

The invention provides an electrolyte. The electrolyte is prepared from a non-water organic solvent, electrolyte lithium salt and a first additive, wherein the electrolyte lithium salt contains LiPF6, LiFSI and LiPF4C2O4; the first additive contains fluoro-anhydride, LiODFB and phosphate. The invention further provides a lithium ion battery containing the electrolyte. The electrolyte has excellent high-low-temperature performance and can be stored and transported at the room temperature.
Owner:湛江市金灿灿科技有限公司

Vibrating mirror type laser scanning large-format material forming processing control system

The invention discloses a vibrating mirror type laser scanning large-format material forming processing control system, including an upper computer, a laser scanning master controller and a plurality of laser scanning slave controllers. The laser scanning master controller and the plurality of laser scanning slave controllers are connected based on an EtherCAT bus redundancy loop type topological structure, the laser scanning master controller serves as an EtherCAT communication master station, and the plurality of laser scanning slave controllers serve as EtherCAT communication slave stations. The upper computer performs two-way communication with the laser scanning master controller through the bus, and the laser scanning slave controllers analyze laser scanning master controller instructions, provides / collects various signals, controls a bottom layer unit, and realizes scanning processing of focusing light spots on a large-format material forming processing surface. The vibrating mirror type laser scanning large-format material forming processing control system provided by the invention can effectively solve the problems of rigid configuration and low real-time performance of vibrating mirror type laser scanning large-format material forming processing equipment, and has the advantages of good compatibility, high stability, fast communication speed, flexible configuration, strong real-time performance and the like.
Owner:HUAZHONG UNIV OF SCI & TECH

Independent primary air system provided with heat pipe exchanger and working method thereof

The invention provides an independent primary air system provided with a heat pipe exchanger. The independent primary air system is characterized by comprising a precooling unit, a cooling dehumidification unit, a reheating unit and an air supply unit. The precooling unit, the cooling dehumidification unit, the reheating unit and the air supply unit are sequentially arranged between an inlet and an outlet of the primary air system; the air supply system is arranged on the outlet of the primary air system. Primary air is precooled through an evaporator side of the heat pipe exchanger; the preprocessed primary air is cooled again through the cooling dehumidification unit; the primary air is bent through an air pipe and then heated again through a condenser side of the heat pipe exchanger; the processed air is sent indoors through the air supply unit, and indoor temperature and humidity are controlled to be 26 DEG C + / -0.5 DEG C and 50%+ / -1%. The heat pipe exchanger of the independent primary air system achieves heat recovery in the precooling unit and the reheating unit, heat exchange efficiency is high, extra energy loss is avoided, and discharged heat can be recovered to the maximum; indoor air quality is improved; finally an air-conditioning system can save energy by 6%-9%.
Owner:TIANJIN SINO GERMAN VOCATIONAL TECHN COLLEGE +2

Thick oil-soluble viscosity reducer and preparation method thereof

The invention relates to a thick oil-soluble viscosity reducer which is applied to viscosity reduction of crude oil in an oilfield and is characterized by comprising the following components in parts by mass: 15-25 parts of quaternary copolymer as a main agent, 2-3 parts of Span-80 and 1-2 parts of organic silicon surfactant serving as auxiliary agents, and 35-65 parts of petroleum solvent naphtha and 5-15 parts of benzene solvent serving as solvents, wherein the quaternary copolymer is a copolymer of long-chain alkyl methacrylate, styrene, N,N-bis(methacryloyl) diamine and maleic anhydride. The thick oil-soluble viscosity reducer has the effects of good viscosity reducing effect, no pollution and obvious economic benefit, and greatly saves the dosage of thin oil; and the viscosity reducing rate to thick oil with temperature of 50 DEG C and viscosity of 50000-600000 mPa s is more than 99% when the dosage of the viscosity reducer is 500-3000 ppm.
Owner:PETROCHINA CO LTD

Device for monitoring oil contamination

The invention provides a device for monitoring oil contamination. The device comprises a speed-regulating valve, a pressure-reducing valve, a reversing valve, a flowmeter, a micro controller, pressure sensors, a filter and a one-way valve, wherein the middle position of the reversing valve is provided with an oil inlet, an oil return port and two oil outlets; the device also comprises an oil inlet connected with a main oil path of a monitoring hydraulic system and an oil outlet connected with an oil tank of the main oil path of the monitoring hydraulic system; the speed-regulating valve, the pressure-reducing valve and the flowmeter which are arranged behind the oil inlet are orderly connected in series and then connected with the oil inlet at the middle position of the reversing valve; the two oil outlets at the middle position of the reversing valve are connected with an inlet and an outlet of the filter respectively; the inlet and the outlet of the filter are provided with the pressure sensors respectively; and the output ends of the pressure sensors are connected with two connectors of the micro controller respectively. The system can on-line monitor the oil contamination in the operating process of the hydraulic system.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Doping type spinel lithium manganate electrode material and preparation method thereof

The invention discloses a doping type spinel lithium manganate electrode material and a preparation method of the doping type spinel lithium manganate electrode material, wherein the molecular formula of the doping type spinel lithium manganate electrode material is LiMn2-x-yMxNyO4; and in the formula, M and N are doping elements and selected from any two of Al, Mg, Cr and Co, and x+y is greater than 0 and less than 0.6. According to the doping type spinel lithium manganate electrode material, two metal elements M and N are used as epiphase dopants for remarkably improving the structure of pure lithium manganate, so that the proportion of trivalent Mn is further reduced, the stability of the structure is increased and the Jahn-Teller effect is restricted, and at the same time, the metal elements M and N are capable of restricting the dissolution of the Mn on the surface of the lithium manganate, so that the cycle performance and the high / low-temperature performance of the lithium manganate are improved; and at the same time, the epiphase doping has the effect of decreasing the doping amount under the condition with same doping effect, so that benefit is brought to reduce the material cost. The spinel lithium manganate electrode material provided by the invention is characterized by being suitable for the high-power lithium cells of electric tools and electric vehicles.
Owner:焦作伴侣纳米材料工程有限公司

Radiant heating element, radiant heater and MOCVD reactor

The invention relates to the field of metal organic chemical vapor deposition equipment, and in particular to a radiant heating element, a radiant heater and an MOCVD reactor. The heating element is formed by winding of heating sheet in an axial symmetrical way, the section of the heating sheet is a special-shaped section, the radiant heater adopts the heating element with the special-shaped section, and the MOCVD reactor is made of the radiant heater. Under the condition of using radiation heating, the invention improves the structure and shape of the heating element to enhance bear power of the heating element. The matched high temperature MOCVD reactor solves the problem that the currently widely-used MOCVD reactor can not provide the high temperature conditions needed for epitaxial technology of high quality AlN and AlGaN growth.
Owner:48TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP

Special carbon-based fertilizer for waxberry

The invention discloses a special carbon-based fertilizer for waxberry. The special carbon-based fertilizer is prepared by mixing the following components in percentage by weight: 25-32% of pig manure, 18-24% of biochar, 15-21% of potassium sulfate, 8-12% of urea, 3-6% of monoammonium phosphate, 8-10% of molasses, 1-1.5% of chitosan, 0.5-1% of borax and 6-8% of weathered coal. The special fertilizer prepared by combining organic and inorganic fertilizers has comprehensive and rich nutrients, and is rich in amino acid, calcium, iron, boron and the like besides massive nutrient elements such as nitrogen, phosphorus and potassium, so the special fertilizer has a good water and fertilizer holding effect and long-lasting fertility and can improve the quality of waxberry so that the waxberry has good mouthfeel, can be used for relieving diseases of waxberry and effectively reducing toxin and heavy metal residues.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES

Novel multi-float-bowl offshore wind turbine floating foundation

The invention discloses a novel multi-float-bowl offshore wind turbine floating foundation. The novel multi-float-bowl offshore wind turbine floating foundation comprises a center float bowl, circumferential float bowls, supporting parts, a truss part, a heave plate, a center soft cabin, a mooring system and an anchorage foundation. The truss part is arranged on the bottom of the center float bowl, the heave plate is arranged on the truss part, the center soft cabin is arranged on the bottom of the truss part, the circumferential floating bowls are connected above the center float bowl throughthe supporting parts, the anchorage foundation is arranged below the center float bowl slantly, the side face of the center float bowl is connected with the anchorage foundation through the mooring system, the center float bowl is arranged on the bottom of a fan tower, and a fan is arranged on the top of the fan tower. The floating foundation has the beneficial effects that the novel multi-float-bowl offshore wind turbine floating foundation suitable for deepwater wind power development is provided, the structure is optimized, the structure weight is reduced, the motion property is improved,and the resistivity of the floating type fan foundation to stormy wave flow loads on the complex sea can be improved.
Owner:SHANGHAI JIAO TONG UNIV

Rail vehicle

The invention discloses a rail vehicle. The rail vehicle comprises a bogie and a vehicle body, wherein the bogie is provided with a rail concave part which is suitable for straddling a rail; a first yielding groove and a second yielding groove, which are used for yielding the two side walls of the rail correspondingly, are formed in the bogie; the vehicle body is connected with the bogie and is pulled by the bogie to drive along the rail; the vehicle body comprises a plurality of carriages which are hinged sequentially in the length direction of the rail; and in the length direction of the rail, and escape doors, which can be opened and closed, are arranged on the surfaces, back to the adjacent carriages, of the carriages at one or more ends of the vehicle body. According to the embodiment of the invention, the rail vehicle adopts a structure favorable for optimizing an escape passage, the cost is reduced, the occupied space and loads born on the rail are reduced, the stability is improved, the rail vehicle can form integrated and firm protection together with the rail, and the operating safety is improved.
Owner:BYD CO LTD

Nitrogen oxide sensor

The invention relates to a nitrogen oxide sensor. The nitrogen oxide sensor is formed by multiple layers of rectangular substrates, wherein a first layer of substrate, a second layer of substrate and a third layer of substrate from top to bottom form a gas inlet, a first chamber and a second chamber; an oxygen pump is arranged in the first chamber, an oxygen measuring pump is arranged in the second chamber, and a dispersion barrier part is arranged between the first chamber and the second chamber. An electrode of the oxygen pump consists of a first electrode and a second electrode which are arranged on the upper surface and the lower surface of the first layer of substrate, an electrode of the oxygen measuring pump consists of a third electrode and a fourth electrode which are arranged on the upper surface and the lower surface of a third layer of substrate, and a reference gas passage which is communicated with the atmosphere is arranged on the third layer of substrate. By adopting the nitrogen oxide sensor, the six-wire system is realized, the structure is optimized, and a good foundation is laid for the subsequent signal precision.
Owner:JINTAN JONSSEN ELECTRIC TECH CORP

Self-inducing magnetic resistance type electromagnetic damper

The invention discloses a self-inducing magnetic resistance type electromagnetic damper and belongs to the technical field of vibration noise control. The damper comprises a housing stator assembly and an internal active cell assembly, wherein the housing stator assembly and the internal active cell assembly are assembled together, the internal active cell assembly freely moves with respect to the housing stator assembly, a soft magnetic metal magnet yoke and a coil in the internal active cell assembly move in a magnetic field produced by the housing stator assembly, respectively produce eddy current and a Lorentz force hindering cutting magnetic induction line motion of the coil and meanwhile produce an electromagnetic force hindering cutting magnetic induction line motion of the soft magnetic metal magnet yoke, and the electromagnetic force is far greater than the Lorentz force. The damper can output lots of damping forces greater than a traditional electromagnetic damper, meanwhile has good anti-swing and anti-impact performance and has very high engineering applicability.
Owner:NO 719 RES INST CHINA SHIPBUILDING IND

Method for modifying lotus-seed starch under ultrahigh pressure

The invention provides a method for modifying lotus-seed starch under ultrahigh pressure. The method comprises the following steps of: preparing a raw material, performing vacuum packaging, treating under ultrahigh pressure, drying, grinding, and sieving to obtain a finished product. After the lotus-seed starch is treated under ultrahigh pressure, the structure, physicochemical property and eating quality of the starch are improved, and the application range of the lotus-seed starch is expanded; ultrahigh pressure treatment is a novel method for physically modifying the starch, and a new way is opened up for the production of modified starch; and the method is simple, and is low in time and energy consumption, easy to operate, safe and pollution-free compared with the traditional method for modifying the starch.
Owner:FUJIAN AGRI & FORESTRY UNIV

Pattern drawing platform-oriented scene graph optimizational designing method

A method for designing scene picture facing to picture drawing platform includes combining multiple Leaf nodes being brothers to each other with multiple Group nodes being brothers to each other if they have the same state control information and so on, combining LOD nodes being brothers to each other and being under Group node if they are near center, operating static Transform with its children and grandchildren nodes in advance and discard Transform node in scene picture, eliminating empty node and redundant node.
Owner:BEIHANG UNIV

Method for sintering zirconium diboride ceramic material

The invention belongs to the technical field of inorganic composite material preparation, and in particular relates to a method for sintering a zirconium diboride ceramic material. The zirconium diboride ceramic material is prepared from ZrB2, ZrC and Si powder by a discharge plasma sintering process. The ZrB2-SiC-ZrSi2 super-high temperature ceramic material with complete compactness and excellent performance is prepared at a lower temperature of 1500 DEG C.
Owner:ZHENGZHOU UNIV

Energy absorption box for vehicle

The invention relates to the technical field of vehicle collision safety and discloses an energy absorption box for a vehicle. The energy absorption box for the vehicle comprises a plurality of hollow shells nested jointly. Every two adjacent hollow shells are connected through energy absorption ribs so that an integral structure or a split structure can be achieved. The energy absorption ribs are provided with first deformation inducing slots which are formed by extending in the radial direction of the hollow shells. The energy absorption box for the vehicle is provided with the multiple nested hollow shells, every two adjacent hollow shells are connected together through the energy absorption ribs, the energy absorption ribs are provided with the first deformation inducing slots, and when a collision happens, the first deformation inducing slots guide collapse deformation of the hollow shells and the energy absorption ribs, so that energy is absorbed. By means of the energy absorption box for the vehicle, the problems that an energy absorption box is low in strength and energy absorption efficiency and is bent under crush are solved effectively, and the safety is improved in case of a head-on collision of the vehicle. Meanwhile, the structural optimizing of the energy absorption box is achieved, the length of the energy absorption box is reduced, the layout space of cabin components and the riding space of passengers are expanded, and good economic benefits and social benefits are achieved.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD

Gravity type heat pipe and direct evaporation cooler compound evaporating and cooling water chilling unit

The invention discloses a gravity type heat pipe and direct evaporation cooler compound evaporating and cooling water chilling unit which comprises a direct evaporation cooler, wherein the direct evaporation cooler consists of a filling, a water tank arranged on the lower part of the filling and a water spraying device arranged on the upper part of the filling; the water tank is connected with the sensible heat tail end outside the unit through a pipeline; the sensible heat tail end is connected with the water spraying device through a pipeline; the upper part of the water tank and the left side and the right side of the filling are provided with tubular heat exchange devices with the same structure respectively; air inlets are formed on the side walls, corresponding to the lower parts ofthe two tubular heat exchange devices, of a housing of the unit; and air outlets are formed on the side walls, corresponding to the upper parts of the two tubular heat exchange devices, of the housing of the unit. Due to the structure, the evaporating and cooling water chilling unit is optimized further, so the heat exchange efficiency for spray water and wet air is improved and self-made refrigerating effect is used fully.
Owner:XI'AN POLYTECHNIC UNIVERSITY

Slide valve air valve type gasoline engine with opposed pistons

The invention discloses a slide valve air valve type gasoline engine with opposed pistons. The slide valve air valve type gasoline engine comprises a cylinder sleeve, an opposed crankshaft connectingrod mechanism and a slide valve air valve type gas distributing mechanism. An air inlet and an exhaust port are formed in the middle of the cylinder sleeve, and the air inlet and the exhaust port arecontrolled by the slide valve type gas distributing mechanism to open and close. The opposed crankshaft connecting rod mechanism is in gear transmission or in cog belt transmission, so that power confluences of crankshafts on two sides and synchronous movement of the piston on the air inlet side and the piston on the exhaust side are achieved. By adopting a four-stroke working mode, opening and closing of the air inlet and exhaust port are controlled by air inlet and exhaust side slide valve mechanisms; the opposed pistons adopt the same flat top structural design; and a sparking plug and an oil atomizer mounting hole are designed in the side wall of the cylinder sleeve in the middle of the cylinder sleeve and form an included angle of 30 degrees. The slide valve air valve type gasoline engine disclosed by the invention has the advantages that 1) a four-stroke working mode of the gasoline engine with the opposed pistons can be achieved; 2) the inflating efficiency is improved by optimizing the movement rule of the slide valve; and 3) fuel consumption rate and consumption are reduced at the same time.
Owner:ZHONGBEI UNIV

Intelligent question and answer method, knowledge base optimizing method and device and intelligent knowledge base

The invention discloses an intelligent question and answer method and device, a knowledge base optimizing method and device and an intelligent knowledge base. The intelligent question and answer method comprises the steps that a knowledge base is provided, wherein the knowledge base comprises a plurality of knowledge points, each knowledge point comprises an answer and one or more questions, semantic expressions are adopted for at least part of the questions, and the semantic expressions comprise parts of speeches; input information of a user is obtained; semantic similarity calculation is carried out on the input information and the questions in the knowledge points, and when the maximum semantic similarity value obtained through calculation is larger than a preset threshold value, the answer in the knowledge point corresponding to the maximum semantic similarity value is sent to the user, wherein the knowledge base comprises fuzzy knowledge points, in the calculation process of semantic similarity, the semantic similarity of the fuzzy knowledge points and the input information is calculated only when the maximum semantic similarity value of the knowledge points except the fuzzy knowledge points and the input information is smaller than the preset threshold value, and answers in the fuzzy knowledge points are sent to the user when the semantic similarity of the fuzzy knowledge points and the input information is larger than the preset threshold value.
Owner:SHANGHAI XIAOI ROBOT TECH CO LTD

Control system of automatic revolving door

The invention discloses a control system of automatic revolving door. The control system, which adopts a closed-loop control structure formed by location, speed and current, comprises an input module, a closed loop and speed controller of door leaf, a speed governor, a first current regulator, a second current regulator, a reverse transformation module, a space vector pulse width modulator, a motor driven module, a current sampling module, a signal conversion module, a motor, and a module for calculation of pole location and speed of the motor; the control flow is: first, a setting signal is provided to the closed-loop control formed by location, speed, and current; second, the output signal of the closed-loop control goes through the space vector pulse width modulator and reverse transformation module and forms the three-phase AC signal of the drive motor; finally, terminal voltage and phase current of the motor are acquired by the sampling module and processed by the signal conversion module to be the feedback signal of the closed-loop control structure. The control system of automatic revolving door is energy saving and environmental friendly, low in noise, reliable in operation, easy to install and debug, and has the anti-clip function.
Owner:唐晓辉

Method for preparing N-doped porous carbon/ferric oxide compound powder

The invention discloses a method for preparing N-doped porous carbon / ferric oxide compound powder. The method includes the steps of preparing coal-based polyaniline composites through in-situ polymerization, uniformly mixing ferric citrate with hot water to obtain a ferric citrate solution, adding the coal-based polyaniline composites in the ferric citrate solution, mixing, subjecting the result to vacuum thermal treatment to obtain paste, pyrolyzing the paste, and cooling the pyrolyzed paste to obtain the N-doped porous carbon / ferric oxide compound powder. The N doping amount in the N-doped porous carbon / ferric oxide compound powder is 0.122wt%-0.258wt%, the N-doped porous carbon has rich mesopores and macropores, and ferric oxide exist in the state of micro-nano spheres. When the N-doped porous carbon / ferric oxide compound powder is used as active electrode material to prepare a N-doped porous carbon / ferric oxide electrode material, the single electrode specific capacitance of the N-doped porous carbon / ferric oxide electrode material reaches 279.5F / g under the constant current density of 2.0A / g.
Owner:XIAN UNIV OF SCI & TECH

Deep hybrid automobile driving device

The invention relates to a deep hybrid automobile driving device, which is based on an electrical variable automatic transmission (EV-AT) double-rotor motor coupled power transmission system, and comprises a double-rotor motor system, a conventional small engine, a battery, a battery management system, a vehicle controller, a synchronous shifting mechanism, a tortional vibration damper and the like. According to the different layout modes and different driving modes of the double-rotor motor, vehicle layout falls into three types: a front transverse double-rotor motor front drive type, a front longitudinal double-rotor motor rear drive type and a front longitudinal double-rotor motor four-wheel drive type. Correspondingly, the vehicle adopts different loading schemes and related technical combination schemes.
Owner:BEIJING ELECTRIC VEHICLE

Aminoquinazolinone and aminoisoquinolinone derivatives and application thereof

The invention provides aminoquinazolinone and aminoisoquinolinone derivatives. Through multiple experiments, it is validated that the synthesized compounds have excellent PI3Kalpha and PI3Kgamma inhibition effects, and most of the compounds have a significant inhibition effect on PI3Kalpha, and show a potent growth inhibition effect on tumor cell lines such as a PIK3CA-mutated human breast cancercell line (MCF7). Therefore, the aminoquinazolinone and aminoisoquinolinone derivatives can be applied to preparing antitumor and anti-inflammatory drugs, and can be applied to drugs for the treatmentof human or animal cell proliferation-related tumors as a PI3Kalpha inhibitor. The drugs are prepared from any one or more of the derivatives, and pharmaceutically acceptable salt and solvate of thederivatives, and a pharmaceutically acceptable carrier. The general formulas a and b of the compounds are shown in the description.
Owner:ZHEJIANG UNIV +1

Semiconductor laser for solid-state laser pumping source

The invention discloses a semiconductor laser for a solid-state laser pumping source. The semiconductor laser comprises a base, a plurality of Z-shaped illuminant components arranged on the base, wherein the plurality of illuminant components are connected in series, and the adjacent illuminant components are symmetrically arranged on the base; the illuminant component comprises a heat sink on which a circuit board is installed; one end of the heat sink is installed with a first electrode electrically connected with the circuit board, and the other end is installed with a second electrode electrically connected with the circuit board; a bar module is arranged between the first electrode and the second electrode in the middle part of an upper end surface of the heat sink, the bar module is formed by a plurality of bar components in series connection; and two ends of the bar module are electrically connected with the first electrode and the second electrode through conductive blocks. The semiconductor laser has the features of being compact in structure, small in volume, large in power, good in radiating effect and long in service life.
Owner:WUXI LUMISOURCE TECH
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