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公开(公告)号：US11047782B1
公开(公告)日：2021-06-29
申请号：US17185972
申请日：2021-02-26
Inventor： Bowen Zheng , Shengwen Qi , Qian Sheng , Xiaolin Huang , Ning Liang , Songfeng Guo , Guangming Luo , Chonglang Wang , Wenjiao Xiao
Abstract: A test apparatus for simulating a seismic dynamic response of an underground cavern includes a loading frame, an overlying model and an underlying model of the underground cavern, a static loading device, a dynamic loading device and a measuring device. A vertical load and a horizontal load are separately applied by the static loading device to the overlying model to simulate real vertical and horizontal in-situ stresses of the in-situ underground cavern. A seismic dynamic load is applied by the dynamic loading device to the underlying model, and then acts on the overlying model to simulate a real seismic ground motion on the in-situ underground cavern. In this way, the present invention satisfies simulation requirements for the seismic dynamic response of the underground cavern to implement a high-fidelity simulation on the underground cavern through unified loading of the in-situ stress static load and the seismic dynamic load.
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公开(公告)号：US20210057204A1
公开(公告)日：2021-02-25
申请号：US16754629
申请日：2018-12-04
Inventor： Yu LIU , Guoqiang TANG , Qiuli LI
Abstract: A method and system for measuring an inert gas by an ion probe. Embedding a to-be-measured sample into an epoxy resin, to obtain a sample target, where the to-be-measured sample includes an inert gas atom; after putting the obtained sample target into an analysis chamber of the ion probe, vacuumizing the analysis chamber, where the ion probe includes a primary ion source, an electron gun, a mass analyzer, and an ion detector; bombarding the sample target by using a primary ion beam formed by the primary ion source to release the inert gas atom in the sample target; ionizing the released inert gas atom by using an electron beam formed by the electron gun to form an inert gas ion; and analyzing a secondary ion containing the inert gas ion by using the mass analyzer and the ion detector to achieve measurement of the inert gas.
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公开(公告)号：US20210054270A1
公开(公告)日：2021-02-25
申请号：US17090891
申请日：2020-11-06
Inventor： Chaofeng Li
Abstract: An emitter for nickel isotope analysis of trace samples, its preparation and application are provided, wherein: the emitter is a zirconium hydrogen phosphate emitter; and the zirconium hydrogen phosphate emitter specifically comprises a zirconium hydrogen phosphate suspension and phosphoric acid solution as an auxiliary material. To prepare the zirconium hydrogen phosphate suspension, the zirconium hydrogen phosphate powder must be washed alternately with hydrochloric acid and high-purity water 3 to 4 times to reduce the sample loading blank. The application specifically relates to analytical method, specifically using zirconium hydrogen phosphate suspension as a high-sensitivity emitter to enhance the ionization efficiency of nickel samples, while using phosphoric acid solution to assist ionization, and using high-purity tungsten filament as the sample carrier to determine trace nickel isotope method.
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公开(公告)号：US20210053818A1
公开(公告)日：2021-02-25
申请号：US16997093
申请日：2020-08-19
Inventor： Hang LI , Chen SUN , Lianzhong YU
Abstract: A MEMS micromirror includes a mirror surface driving structure which is positioned on a substrate and includes two L-shaped structures in head-to-tail arrangement. Each L-shaped structure includes a second torsion beam, an L-shaped transverse plate and a second comb-shaped structure. The first driving electrode is provided on the substrate at a position under a head end of the L-shaped transverse plate, the head end of the L-shaped transverse plate is rotatable with support of the second torsion beam, and a tail end of the L-shaped transverse plate is connected with the second comb-shaped structure. The micromirror surface layer is disposed above the mirror surface driving structure, the first torsion beam is fixed by the substrate and supports two sides of the micromirror surface layer, and two sides, corresponding to the second comb-shaped structures, of the micromirror surface layer are provided with first comb-shaped structures, respectively.
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公开(公告)号：US10819446B2
公开(公告)日：2020-10-27
申请号：US16396589
申请日：2019-04-26
Applicant: Institute of Geology and Geophysics, Chinese Academy of Sciences , The 14th Research Institute of China Electronic Technology Group Corporation
Inventor： Lingqi Zeng , Baiqi Ning , Weixing Wan , Lin Jin , Biqiang Zhao , Feng Ding , Changhai Ke , Yunxia Zhang
IPC: H04B17/10 , G01S7/40 , H04B17/318
Abstract: According to aspects of the present disclosure, a radar transmitting power and channel performance monitoring apparatus is disclosed. In one example, such apparatus may include a plurality of couplers, power combiners of multiple stages, and a power monitoring module, wherein the couplers are connected with transmitter/receiver modules of the radar, and each coupler may be configured to collect a transmitting power of a corresponding transmitter/receiver module. Further, the power combiners may be configured to combine the transmitting power collected by each coupler and input the resultant total power to the power monitoring module, and the power monitoring module may be configured to monitor the total power. In addition, aspects of the present disclosure may test an amplitude and phase consistency of the transmitting and receiving channels of each T/R module of radar to ensure the performance of the radar system.
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Patent Agency Ranking
公开(公告)号：US10781562B1
公开(公告)日：2020-09-22
申请号：US16900146
申请日：2020-06-12
Inventor： Zhiqing Li , Shengwen Qi
IPC: E01C21/00 , C04B28/34 , C04B24/12 , C04B22/12 , E01C3/00 , E01C3/04 , C09K17/44 , C04B111/00 , C04B103/00
Abstract: A construction method for reinforcing a loess embankment by combining microbial mineralization with phosphogypsum. The method includes: (1) placing Bacillus pasteurii in a culture medium to prepare a microbial solution, and mixing urea, calcium chloride and water to prepare a cementing solution; (2) mixing a mixture, the microbial solution and water well, and adding the cementing solution and water to prepare an improving mixture; and (3) leveling and compacting an original ground; laying a geomembrane, the improving mixture and a geogrid; laying a last geomembrane on the top of the embankment after the embankment is laid, and then laying a roadbed. The method meets the improvement and construction requirements of loess embankments of high-grade highways, and reduces the stock of phosphogypsum, thereby reducing the occupation of cultivated land. The microbial improvement of the phosphogypsum achieves the immobilization of harmful elements, thereby reducing environmental pollution.
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公开(公告)号：US10768064B2
公开(公告)日：2020-09-08
申请号：US15753131
申请日：2016-07-08
Inventor： Kevin Chau , Man Wong
Abstract: The present invention relates to a MEMS pressure sensor die and its fabrication process. The pressure sensor comprises a chamber inside which a MEMS pressure sensor die is provided. The pressure sensor die comprises a handle, a device layer and a cap all connected together. A silicon oxide layer is formed between the handle and the device layer. Another silicon oxide layer is formed between the device layer and the cap. Recesses are respectively formed on the handle and the cap and face each other. The handle recess and the cap recess are connected to form a cavity. The device layer, which spans the cavity, further comprises a bridge on which a plurality of piezoresistive sensing elements are formed. The present pressure sensor is more immune to temperature effects. It is especially suitable for operating in a high temperature, high pressure environment and is capable of delivering accurate and reliable pressure measurements at low cost.
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48.发明授权公开(公告)号：US10578754B2
公开(公告)日：2020-03-03
申请号：US16193855
申请日：2018-11-16
Inventor： Yuntao Sun , Zili Wang , Wenxuan Chen , Wenxiu Zhang , Yongyou Yang , Qingyun Di , Jian Zheng
Abstract: In an apparatus for multi-pole acoustic logging while drilling, a N-cycle sinusoidal wave signal is generated by utilizing a signal processor, and amplified into a high-voltage sinusoidal excitation signal by utilizing a power amplifier, and output to a transmitting transducer. The signal processor simultaneously generates an enable signal. The enable signal includes a transient discharge enable signal. The power amplifier is connected with a transient discharge circuit. After the signal processor generates N cycles of a sinusoidal wave, the transient discharge enable signal enables the transient discharge circuit to discharge to release an energy storage current of a power transformer so as to eliminate a high-voltage ringing effect and improve an excitation efficiency of the transducer.
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公开(公告)号：US20200018156A1
公开(公告)日：2020-01-16
申请号：US16170988
申请日：2018-10-25
Inventor： Zhongxing WANG , Yongyou YANG , Qingyun DI , Zili WANG , Wenxuan CHEN , Tianxin ZHANG , Linfeng HONG , Qijun XIE
Abstract: Disclosed is a downhole vibration and impact data recording method, comprising: performing analog-to-digital conversion on analog data, outputting digital format data obtained at a sampling rate f1, and performing sampling storage processing and analysis storage processing on the same. The sampling storage processing includes outputting the digital format data obtained at a sampling rate fn through multiple samplings; storing the same continuously into a storage module. The analysis storage processing includes: buffering the digital format data obtained at the sampling rate f1 into a memory; analyzing the same to determine whether an impact event occurs, and if yes, storing the current data in the memory into the storage module, and then jumping back to the buffering step; otherwise, jumping directly back to the buffering step. With the above method, the amount of data storage can be effectively reduced, while the characteristics of the vibration and impact data can be analyzed.
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公开(公告)号：US10443307B2
公开(公告)日：2019-10-15
申请号：US16174715
申请日：2018-10-30
Inventor： Jiansheng Du , Qingyun Di , Zili Wang , Wenxuan Chen
Abstract: The static push-the-bit articulated high-built-rate rotary steerable tool has the main body of a non-rotary measurement and control unit articulated with the main body of a non-rotary actuator, rather than an integral structure. Due to the fact that the drilling tool is easy to bend in a wellbore, the bending stress in an upper portion of the steerable tool is low, and the consumption of the pushing force for bending deformation of the drilling tool is minimized. Since the steering sleeve around the main body of a load-bearing actuator only slides along the well wall in an axial direction without rotational friction there-between, the service life of the steering sleeve is long. Besides, since hydraulic pressure is used instead of pressure difference of mud to act on the pistons to form the pushing force, the pushing force is greatly improved, and the sealing life of the pistons is longer.
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