公开(公告)号：US20230349290A1

公开(公告)日：2023-11-02

申请号：US18347206

申请日：2023-07-05

Applicant: Shandong University ,  Northeast Electric Power University

Inventor： Ke WU ,  Tao YANG ,  Yang ZHENG ,  Guodong LI ,  Zhihao XING ,  Hongna YANG ,  Jiaxiang XU ,  Rong CHEN ,  Dongxue HAO ,  Jizheng SUN ,  Jingchuan DUAN ,  Hongwei ZHANG

IPC: E21D11/04 ,  E21D11/38

CPC classification number: E21D11/04 ,  E21D11/38

Abstract: Disclosed are a shield tunnel segment structure and a construction method thereof. The shield tunnel segment structure includes segment blocks sequentially spliced in a circumferential direction. Each segment block forms a closed annular segment structure, and outer diameters of adjacent annular segment structures gradually increase in an axial direction. At least two adjacent segment blocks of the same annular segment structure form an annular inner groove, and at least one segment block of the adjacent annular segment structures is provided with an inner bump which matches the annular inner groove. At least two adjacent segment blocks of the same annular segment structure form an annular outer groove, and at least one segment block of the adjacent annular segment structures is provided with an outer bump which matches the annular outer groove. The annular outer grooves and the annular inner grooves are staggered in the circumferential direction.

公开(公告)号：US11802414B2

公开(公告)日：2023-10-31

申请号：US17917172

申请日：2022-03-09

Applicant: SHANDONG UNIVERSITY

Inventor： Li Tian ,  Meng Yang ,  Juncai Liu ,  Xianchao Luo ,  Xiaoyang Wang ,  Zhen Ma ,  Xiangrui Meng

IPC: E04G23/02

CPC classification number: E04G23/0218

Abstract: Provided a bolt-bearing circumferential device for reinforcing and correcting an angle iron of a transmission tower, comprising a reinforcing angle iron, a holding hoop, and a connector; the reinforcing angle iron is arranged at an inner side of two limbs of an angle iron to be reinforced, an axis direction of the reinforcing angle iron is parallel to the angle iron to be reinforced, and an outer wall of two limbs of the reinforcing angle iron are fitted with an inner wall of the angle iron to be reinforced; the holding hoop is arranged at an outer side of the reinforcing angle iron and the angle iron to be reinforced, and each part of the holding hoop are connected together through the high-strength bolts; a side wall of the holding hoop is provided with three groups of threaded holes, wherein an axis of a first group of the threaded holes and an axis of a second group of the threaded holes are perpendicular to each other, a first group of bolts pass through the first group of the threaded holes to apply a reinforcing force to an outer side of a first limb of the angle iron to be reinforced, and a second group of bolts pass through the second group of the threaded holes to apply a reinforcing force to an outer side of a second limb of the angle iron to be reinforced; and, a third group of bolts pass through a third group of the threaded holes to apply a reinforcing force to the reinforcing angle iron through the connector.

公开(公告)号：US11796370B2

公开(公告)日：2023-10-24

申请号：US17052821

申请日：2019-04-11

Applicant: SHANDONG UNIVERSITY

Inventor： Shucai Li ,  Liping Li ,  Jing Wang ,  Shaoshuai Shi ,  Zongqing Zhou ,  Hongliang Liu ,  Xingzhi Ba ,  Shangqu Sun ,  Zhongdong Fang ,  Zhenhua Liu

IPC: G01F17/00 ,  E21B43/12 ,  G01B13/00

CPC classification number: G01F17/00 ,  E21B43/126 ,  G01B13/00

Abstract: A volume measurement system and method for a closed water-filled karst cave, including a water collecting device, concentration tester and control system. The control system is connected to the water collecting device by a connecting piece. The water collecting device is a container with a top closed and bottom open. The water collecting device top is a piston. The piston is connected to a propulsion rod, and propulsion rod is controlled by control system to extend or retract, so as to realize the forward or backward movement of the piston. An openable and closeable placement table is hinged to the water collecting device's inner wall. The placement table is connected to piston, the placement table moves upward when piston is raised, and placement table moves downward when piston is lowered. The placement table is configured to accommodate a chemical substance. The concentration tester is configured to detect the solution's concentration.

公开(公告)号：US11795635B2

公开(公告)日：2023-10-24

申请号：US16969125

申请日：2019-06-19

Applicant: SHANDONG UNIVERSITY

Inventor： Zeying Yang ,  Jianbo Qu ,  Shucai Li ,  Qingsong Zhang ,  Zhi Ge ,  Xiaoyan Ding ,  Hongwu Liu ,  Fengjin Zhao ,  Yuhui Shan ,  Xiaobin Fan ,  Peng Zhang ,  Xinghua Xi ,  Youzhi Wang ,  Hetao Hou ,  Li Tian ,  Ke Wu ,  Yongye Qu ,  Yalei Zhang

IPC: E01D19/02 ,  E01D101/26 ,  E02B3/28 ,  E02B17/00

CPC classification number: E01D19/02 ,  E01D2101/268 ,  E02B3/28 ,  E02B17/003

Abstract: An intelligent integrated anti-collision system and method for a pier, including: a radar sensing device disposed at the joint between the pier and a girder, image collection devices disposed around the pier, control system, hydraulic system and execution device, where the radar sensing and image collection devices transmit collected signals to the control system, which uses the hydraulic system to control the action of the execution device; the execution device is disposed at a middle part of the pier and includes a plurality of sections of steel-reinforced rubber concrete girder connected end to end through pulleys, the hydraulic system can drive the pulleys to rotate to enable the sections to be located on the same horizontal line, and an energy dissipation apparatus is disposed at the tail end of the last section to realize energy dissipation of the energy generated by impact when an object impacts the energy dissipation apparatus.

公开(公告)号：US20230333276A1

公开(公告)日：2023-10-19

申请号：US18007567

申请日：2021-06-29

Applicant: SHANDONG UNIVERSITY

Inventor： Shucai LI ,  Huaifeng SUN ,  Nuoya ZHANG ,  Jing YANG ,  Yang YANG ,  Ziqiang ZHENG

IPC: G01V3/17 ,  G01V3/38

CPC classification number: G01V3/17 ,  G01V3/38

Abstract: A method and system for exploring hidden karst pipelines, mainly comprising: determining an upstream and a downstream of an underground karst pipeline; laying a grounding electrode at the upstream and the downstream respectively; establishing an electromagnetic emission system through underground karst water channels in the underground karst pipeline in a survey area, a transmitter and a generator; arranging a receiving system through an air mobile equipment towing a receiver as a receiving end; turning on the electromagnetic emission system; a generator supplying power to emission circuit; controlling the air mobile equipment to move along routes to collect signal continuously above the survey area, to complete an area-based measurement, and obtain observed data in the whole survey area; processing the observed data; delineating a concrete distribution of the underground karst water channels from the to the, such as a net-shaped path diagram or a tree-shaped path diagram

公开(公告)号：US20230330055A1

公开(公告)日：2023-10-19

申请号：US18005035

申请日：2021-07-08

Applicant: TSINGTAO A-SMART MEDICAL TECHNOLOGY CO., LTD. ,  SHANDONG UNIVERSITY

Inventor： Jinlong MA ,  Hongbin LIU ,  Lianbao CAO ,  Keliang WU ,  Xianwei SU ,  Gang LU

IPC: A61K31/336 ,  A61P15/08 ,  C12N5/071

CPC classification number: A61K31/336 ,  A61P15/08 ,  C12N5/0682 ,  C12N2500/30

Abstract: Disclosed are a method and culture medium for performing an in vivo treatment on ovaries of mammals including humans or performing in vitro culturing on ex vivo ovaries or ovarian tissue by means of using 4-vinylcyclohexene diepoxide. The method or culture medium provided facilitates the retention and enhancement of the developmental and reproductive potential of mammalian ovaries or ovarian tissue, and is particularly capable of promoting follicle maturation and increasing the number of ovulations.

公开(公告)号：US20230313859A1

公开(公告)日：2023-10-05

申请号：US18043733

申请日：2021-06-15

Applicant: Shandong University of Science and Technology

Inventor： Chenglong WANG ,  Meng CHEN

IPC: F16F13/00 ,  F16F9/32 ,  F16F9/34 ,  F16F9/36 ,  F16F9/53 ,  F16F7/12

CPC classification number: F16F13/007 ,  F16F9/3242 ,  F16F9/34 ,  F16F9/368 ,  F16F9/535 ,  F16F7/12 ,  F16F9/3292 ,  F16F2226/048 ,  F16F2226/04 ,  F16F2224/02 ,  F16F2228/066 ,  F16F2222/12 ,  F16F2230/08 ,  F16F2230/18 ,  F16F2230/30 ,  F16F2230/42 ,  F16F2232/08 ,  F16F2236/045

Abstract: Disclosed are a compound impact-resistant device and an application thereof. The compound impact-resistant device includes an inner cylinder, a first pressure sensor and an outer cylinder; an inner cavity of the inner cylinder is connected to a magnetorheological damper, a spiral valve element, a floating piston and a spring from bottom to top; and the outer cylinder is connected to a piston rod, a bottom end of the piston rod penetrates a top of the inner cylinder, the spring and the floating piston to be connected to the spiral valve element, and a portion below the spiral valve element is filled with hydraulic oil. The compound impact-resistant device can provide specific initial support force and achieve active self-adaptation to dynamic impact, thus solving the problems that traditional hydraulic buffers cannot provide initial support force and traditional mechanical crushing members have difficulty in providing large support force.

公开(公告)号：US11774220B2

公开(公告)日：2023-10-03

申请号：US17890490

申请日：2022-08-18

Applicant: Shandong University of Technology

Inventor： Fujiao Chu ,  Wentao Lan ,  Gongcheng Li ,  Zimin Ma ,  Zhihe Liu

IPC: F42B1/02 ,  F42B1/028 ,  F42B1/00 ,  F42D1/00 ,  F42B3/00 ,  F42B3/08 ,  F42B1/036

CPC classification number: F42B1/02 ,  F42B1/028 ,  F42B1/036 ,  F42B3/00 ,  F42B3/08 ,  F42D1/00

Abstract: An annular shaped-charge and blasting housing and a use method thereof are provided. The annular shaped-charge and blasting housing includes a PVC segment and multiple notch grooves. Grooves are notched on a W-shaped PVC segment formed by machining. The notching angle of the groove and the spacing distance between the grooves can be adjusted according to use requirements. And, the W-shaped PVC segment after being cut may not be limited to have eight notch grooves, and the number of the notch grooves of a single one PVC segment can be adjusted according to actual working conditions. The PVC segment can be folded and closed to form the annular shaped-charge and blasting housing. Therefore, the housing of the embodiments is simple in production, the linear segment can be bended and folded by utilizing the plasticity of the PVC material. The manufacturing process of the housing is simple and feasible. The housing of the embodiments is convenient to use and can meet the requirements of the annular shaped-charge cutting in blasting engineering. Meanwhile, the housing of the embodiments are widely applied. Further, the housing is not only applicable to annular shaped-charge cutting for the bottoms of holes to improve the planeness of the tunnel faces or the berm for the bench blasting, but also applicable to the cut blasting to improve the cut effect.

公开(公告)号：US20230297842A1

公开(公告)日：2023-09-21

申请号：US18124251

申请日：2023-03-21

Applicant: SHANDONG UNIVERSITY

Inventor： Shuai LIU ,  Xiaowen WANG ,  Haoran ZHAO ,  Bo SUN ,  Lantao XING ,  Xian LI ,  Ruiqi WANG

IPC: G06N3/092 ,  H02J3/46

CPC classification number: G06N3/092 ,  H02J3/46

Abstract: A method for event-triggered distributed reinforcement learning for unit commitment optimization and dispatch to solve the waste problem of unit resources includes obtaining a unit commitment optimization and dispatch model, constructing a fixed action set under preset constraint conditions, and selecting optimal power of each unit; transforming constraint conditions into projection constraints, and projecting the virtual generation power to a corresponding constraint range, to obtain actual generation power of each unit within the constraint range; calculating corresponding rewards based on cost under actual generation power of each unit without bandwidth constraints, and updating local Q values of each unit in a Q table according to Q-learning algorithms, to obtain an optimal action of each unit without bandwidth constraints; and under the constraint conditions of considering bandwidths, obtaining an optimal solution, meeting limited bandwidth constraint conditions, to the unit commitment optimization and dispatch problem.

公开(公告)号：US20230270727A1

公开(公告)日：2023-08-31

申请号：US17996994

申请日：2021-04-23

Applicant: Yihai CAO ,  QILU HOSPITAL OF SHANDONG UNIVERSITY

Inventor： Yuguo CHEN ,  Yihai CAO ,  Jiaojiao PANG ,  Feng XU ,  Ming LV ,  Bailu WANG ,  Yu LI ,  Yuan BIAN ,  Xiang JI ,  Yuan ZHANG ,  Wenhai SUI

IPC: A61K31/436 ,  A61K31/4745 ,  A61K31/404 ,  A61K31/4402 ,  A61P31/14 ,  A61K31/517 ,  C07K16/22 ,  A61K31/506

CPC classification number: A61K31/436 ,  A61K31/4745 ,  A61K31/404 ,  A61K31/4402 ,  A61P31/14 ,  A61K31/517 ,  C07K16/22 ,  A61K31/506

Abstract: A VEGF inhibitor is used in preparation of a medicament for treating hypoxia-related diseases. The VEGF inhibitor can significantly inhibit VEGF stress expression caused by hypoxia by acting on a binding pathway of VEGF and a VEGF receptor, is used for treating hypoxia and other related diseases, can significantly improve the oxygenation index of a patient, and can alleviate the hypoxic state of lung and other organ tissues, having good therapeutic effects.