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公开(公告)号:US20230285229A1
公开(公告)日:2023-09-14
申请号:US18025517
申请日:2022-05-11
发明人: Yuguo CHEN , Ke LI , Feng XU , Jiali WANG , Jiaojiao PANG , Na ZHANG , Mingze SUN
IPC分类号: A61H31/00
CPC分类号: A61H31/006 , A61H31/005 , A61H2201/5071
摘要: A chest and abdomen coupled cardiopulmonary resuscitation device, including a bottom plate and at least two compression/traction mechanisms, wherein each of the two compression/traction mechanisms includes two linear motors with opposite positions, the axes of the two linear motors are perpendicular to the bottom plate, and the bottoms of the linear motors are in slip connection with the bottom plate; and the tops of the two linear motors are fixedly connected by a connecting mechanism, the bottom of the connecting mechanism is fixedly provided with a presser connected to an air pump, and the presser can move on the connecting mechanism along a direction perpendicular to the sliding direction of the linear motors. The device can be adjusted to the optimal compression frequency, depth and duration according to objective physiological indicators, thereby greatly improving success rate of rescue.
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公开(公告)号:US20230134220A1
公开(公告)日:2023-05-04
申请号:US17973027
申请日:2022-10-25
摘要: Disclosed is a packing system for staggered placement of cylindrical cargoes with variable specifications, which belongs to the field of logistics and transportation. The system comprises a role layer, a presentation layer, an application layer and a data layer; the presentation layer comprises a browser; the application layer is used to generate a container model and a cargo model, and the cargo models are grouped and put into a packing model; the application layer comprises cargo ordering, cargo grouping, container entry detection, cargo insertion, in-container coordinate calculation, out-of-container coordinate calculation, graphic display, information display, cancellation, local storage and database storage; and the data layer comprises container data and cargo data.
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3.
公开(公告)号:US20190016673A1
公开(公告)日:2019-01-17
申请号:US16063889
申请日:2017-05-11
IPC分类号: C07C271/02 , C07C269/06 , C08J9/08 , C08G18/48 , C08G18/76 , C08G18/42 , C08G18/40 , C08G18/24
摘要: An organic amine salt compounds of general formula An−[Bm+]p (I) is disclosed, wherein An− is a CO2-donating anion with a valence of −n, wherein n=1, 2 or 3; each Bm+ comprises: ammonium ion, hydrazinium ion and/or organic amine B cation; wherein m = 1 - 10 ; 0
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公开(公告)号:US11953455B1
公开(公告)日:2024-04-09
申请号:US18401182
申请日:2023-12-29
申请人: SHANDONG UNIVERSITY , WEIHAI RESEARCH INSTITUTE OF INDUSTRIAL TECHNOLOGY OF SHANDONG UNIVERSITY
发明人: Chen Liu , Shouyu Wang
IPC分类号: G01N23/223 , G01N33/24
CPC分类号: G01N23/223 , G01N33/24 , G01N2223/076 , G01N2223/1016 , G01N2223/206 , G01N2223/303 , G01N2223/3037 , G01N2223/304 , G01N2223/309 , G01N2223/3306 , G01N2223/616
摘要: An ore component analysis device and method are provided, the analysis device comprises: a sample containing device configured to place an ore sample to be detected; an excitation unit configured to output X-rays with continuously adjustable energy; a detector configured to detect the secondary X-rays; a signal processing unit configured to amplify, shape and classify the secondary X-rays to obtain counts and energy of the secondary X-rays; a data processing device comprising a processor configured to execute a storage module, a matching module, a count correction module, a peak seeking module, a calculation module and a content correction module stored in a memory, so as to obtain elements and contents thereof in the ore sample. The present application can be directly applied to production line for qualitative and quantitative analysis of ore components.
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5.
公开(公告)号:US20240364116A1
公开(公告)日:2024-10-31
申请号:US18620094
申请日:2024-03-28
申请人: Shandong University
发明人: Jingyang FANG , Wenrui LI , Wenjia SI , Tao XU , Feng GAO
IPC分类号: H02J3/18 , H02M7/5387
CPC分类号: H02J3/44 , H02M7/53871
摘要: The present disclosure pertains to the field of power electronics technologies, and provides a grid-connected control method and system for a grid-forming converter without a grid-side voltage sensor. The grid-connected control method includes: performing coordinate transformation on a phase of a three-phase capacitor voltage sampled by a phase-locked loop (PLL) to obtain a first phase; in response to control of a first pulse width modulation (PWM) pulse signal, introducing a reference phase, and performing negative feedback regulation on a difference between the reference phase and the first phase to obtain a second phase; and in response to control of a second PWM pulse signal, performing a modulo operation on a difference between the reference phase and the second phase to obtain a third phase, where the third phase is used to replace a phase of the PLL to perform coordinate transformation of a system.
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6.
公开(公告)号:US20240361294A1
公开(公告)日:2024-10-31
申请号:US18571358
申请日:2023-01-09
发明人: Chenglin TIAN , Qianting HU , Haitao SUN , Xusheng ZHAO
CPC分类号: G01N33/222 , G01N3/00 , G01N2203/0032
摘要: A method of analyzing influencing factors of a contribution rate of elastic energy of a top plate during catastrophe of a coal body; the specific steps are: obtaining coal seam gas pressure; according to a drilling histogram, obtaining coal seam thickness and top plate thickness; taking a core on site and processing the core into a standard test piece; obtaining, by means of an indoor mechanical test, elastic moduli of the top plate and of gas-containing coal, respectively; substituting the obtained elastic moduli and thicknesses of the top plate and of the gas-containing coal into a calculation formula so as to obtain the contribution rate of the elastic energy of the top plate; and analyzing the influence of the contribution rate of the elastic energy of the top plate in the two situations of configuring the same thickness ratio and a different elastic modulus ratio and the same elastic modulus ratio and a different thickness ratio. In the described method, the role of the elastic energy of the top plate in a coal-gas dynamic disaster is fully considered while the influencing factors of the contribution rate of the elastic energy are analyzed. The method has important theoretical significance and practical engineering value. Moreover, the method has positive significance for the prediction and prevention of mining-induced rock burst-coal and gas outburst and other complex dynamic mining disasters.
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7.
公开(公告)号:US12105032B1
公开(公告)日:2024-10-01
申请号:US18586626
申请日:2024-02-26
发明人: Yunfan Yang , Yang Zhao
CPC分类号: G01N22/04 , H01Q1/2208
摘要: A non-destructive testing method for article moisture content based on radio frequency identification (RFID) includes: S1, an electronic tag is attached to a surface of an article to be tested, and a signal transceiver is arranged above the electronic tag; S2, the signal transceiver sends a radio-frequency signal to the electronic tag and activates the electronic tag, and the signal transceiver simultaneously receives a backscattered signal from the electronic tag; and S3, the signal transceiver sends the backscattered signal to a signal processor. The method utilizes effects of different moisture content on backscattered signals, arranges the electronic tag on the article to be tested, processes the backscattered signal through the signal processor to obtain a processed signal, and transmits the processed signal to a monitor to display real-time moisture content curve of each article to be tested based on its corresponding serial number.
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公开(公告)号:US20240322230A1
公开(公告)日:2024-09-26
申请号:US17916880
申请日:2021-11-10
申请人: SHANDONG UNIVERSITY
发明人: Jingcheng HAO , Wenna WU , Xiaoli CHEN , Li LIU , Shuli DONG
CPC分类号: H01M10/0565 , B82Y30/00 , B82Y40/00 , H01G11/26 , H01G11/48 , H01G11/56 , H01M2300/0082 , H01M2300/0085
摘要: An emulsion, an emulsion gel electrolyte, an aerogel, as well as a preparation method and a use; wherein the emulsion is an oil-in-water emulsion. An oil phase is a solution of decane dispersed with an upconversion nanomaterial and a water phase contains a polymerizable ionic liquid. The gel electrolytes and aerogel electrode materials prepared based on this emulsion have greatly improved the electrochemical performance of supercapacitors.
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公开(公告)号:US12097737B2
公开(公告)日:2024-09-24
申请号:US17208034
申请日:2021-03-22
发明人: Fan Zhang , Wentao Yang , Xianyue Gang , Huiheng Wang , Jixing Wu , Aibing Liu , Chunyi Lv
IPC分类号: G05B19/404 , B60G17/016 , B60G17/018
CPC分类号: B60G17/018 , B60G17/016 , G05B19/404 , B60G2400/051 , B60G2400/61
摘要: The present disclosure discloses a leveling control method for a multi-point support platform, which comprises the steps: respectively measuring and obtaining a load-bearing interaction matrix and a deformation interaction matrix of the platform to construct a load-bearing and deformation joint control matrix; calculating the optimal loads of the legs and measuring the current loads of the legs to obtain the load deviation rates of the legs, and determining if the platform warrants leveling in combination with the two-dimensional inclination angles of the platform; constructing a platform geometry and leg load joint control equation according to the two-dimensional inclination angles of the platform, the load deviations of the legs and the load-bearing and deformation joint control matrix, calculating the actuation quantities of the legs and performing synchronous leveling; and determining the load deviation rates of the legs and the two-dimensional inclination angles of the platform cyclically and performing the actuation control until the leveling goal is achieved. The method is capable of synchronously realizing the geometric leveling of the platform and the load control of the legs, and can significantly improve the speed, geometric accuracy, process stability, leg load-bearing stability and control robustness of the leveling control for the multi-point support platform.
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公开(公告)号:US12091147B1
公开(公告)日:2024-09-17
申请号:US18739229
申请日:2024-06-10
发明人: Ziliang Zhao , Bin Guo , Yuhang Zhang , Zhangu Wang , Jitai Yu , Jun Zhao , Qinglin Zhu
IPC分类号: B63H21/20 , B63B17/00 , B63H21/14 , B63H21/17 , B63H21/21 , B63H23/30 , B63H23/34 , F01N3/02 , F02M31/20 , H01M8/04014 , H01M8/04082 , H01M8/04111 , H01M8/04119 , H01M8/0662 , H01M10/44 , H01M16/00 , H02K11/33
CPC分类号: B63H21/20 , B63B17/0027 , B63H21/14 , B63H21/17 , B63H21/21 , B63H23/30 , B63H23/34 , F01N3/0205 , F02M31/20 , H01M8/04014 , H01M8/04111 , H01M8/04126 , H01M8/04201 , H01M8/0662 , H01M10/44 , H01M16/006 , H02K11/33 , B63H2021/205 , H01M2220/20 , H01M2250/20
摘要: A ship hydrogen hybrid power propulsion system and a method thereof are provided. The ship hydrogen hybrid power propulsion system includes a motor, a propeller, a power battery, an external motor controller, an internal motor controller, a hydrogen fuel cell, a hydrogen internal combustion engine, and a hydrogen storage tank. It combine the hydrogen fuel cell with the hydrogen internal combustion engine, and the hydrogen fuel cell is combined with the power battery and dynamically coupled with the internal motor and the external motor. Only a single hydrogen energy is needed, which is conducive to the layout and integration of the power system and achieves zero carbon emissions. Compared to the current dual motor power system, it has high integration, simpler power coupling, and a wider range of power output, making it particularly suitable for the high load and high-power output requirements of heavy-duty ships.
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