公开(公告)号：US20240290089A1

公开(公告)日：2024-08-29

申请号：US18388327

申请日：2023-11-09

Applicant: Nanjing Forestry University

Inventor： Jianyu CHEN ,  Haibo HU ,  Weibo SHI ,  Ziyi ZHU

IPC: G06V20/10 ,  G06T5/20 ,  G06T5/50 ,  G06T7/12 ,  G06V10/764 ,  G06V20/17

CPC classification number: G06V20/188 ,  G06T5/20 ,  G06T5/50 ,  G06T7/12 ,  G06V10/764 ,  G06V20/17 ,  G06T2207/20221

Abstract: A method for extracting forest parameters of a wetland with high canopy density based on a consumer-grade unmanned aerial vehicle (UAV) image is provided, which belongs to the technical field of wetland forest investigation. The method includes: collecting image data using a consumer-grade UAV; processing the collected UAV image, and generating a digital surface model and a digital orthophoto map; performing land use classification based on a UAV DOM image; obtaining a canopy height model with an accurate elevation based on classification of different land types of the wetland, and obtaining an accurate tree height and a tree number by means of a neighborhood extraction tool through the canopy height model; and obtaining an accurate canopy range by means of a multi-foreground marker watershed algorithm based on image filtering.

公开(公告)号：US20240237765A1

公开(公告)日：2024-07-18

申请号：US18561291

申请日：2021-06-01

Applicant: NANJING FORESTRY UNIVERSITY

Inventor： Chao DENG ,  Farzad SEIDI ,  Qiang YONG ,  Xiangyu JIN ,  Chengcheng LI ,  Haiying WEI

IPC: A41D13/11 ,  B32B5/02 ,  B32B5/26 ,  B32B7/02 ,  D04H1/26 ,  D04H1/425 ,  D04H1/4291 ,  D04H1/4374 ,  D04H1/4382 ,  D04H1/492 ,  D04H3/16 ,  D06M13/328 ,  D06M13/355 ,  D06M13/395 ,  D06M16/00 ,  D06M101/30

CPC classification number: A41D13/1192 ,  B32B5/022 ,  B32B5/269 ,  B32B5/271 ,  B32B7/02 ,  D04H1/26 ,  D04H1/425 ,  D04H1/4291 ,  D04H1/4374 ,  D04H1/43835 ,  D04H1/43838 ,  D04H1/492 ,  D04H3/16 ,  D06M13/328 ,  D06M13/355 ,  D06M13/395 ,  D06M16/00 ,  A41D2500/30 ,  B32B2250/03 ,  B32B2250/20 ,  B32B2262/0253 ,  B32B2262/04 ,  B32B2262/062 ,  B32B2262/067 ,  B32B2262/144 ,  B32B2262/16 ,  B32B2307/7163 ,  B32B2307/718 ,  B32B2571/00 ,  D06M2101/30 ,  D10B2321/022 ,  D10B2401/13 ,  D10B2509/00

Abstract: An antibacterial and antiviral degradable mask and a manufacturing method thereof are provided. From outside to inside, the mask sequentially comprises a surface layer (1), a core layer (2), and an inner layer (3) that contacts the face; the surface layer (1) is made of an antibacterial and antiviral cellulose spunlace non-woven fabric; the core layer (2) is made of a polypropylene melt-blown non-woven fabric; the inner layer (3) is made of a polypropylene spunbond non-woven fabric or a degradable natural cotton fabric. The mask can have both antibacterial and antiviral functions; moreover, the material is degradable, and thus, environmental pollution pressure caused by non-degradable petroleum-based fiber materials such as polypropylene can be effectively relieved.

公开(公告)号：US11951647B2

公开(公告)日：2024-04-09

申请号：US17965429

申请日：2022-10-13

Applicant: Nanjing Forestry University ,  JM Industries Group ,  Fujian Shuangyi Bamboo and Wood Development Co., Ltd.

Inventor： Jiabin Cai ,  Shuai Cao ,  Minghan Li ,  Nan Zhou ,  Chang Liu ,  Pengyu Wang

IPC: B27J1/00

CPC classification number: B27J1/00

Abstract: Provided is a node diaphragm scraping and sorting device for a bamboo split, which is configured to scrape node diaphragms of the bamboo splits and to sequentially sort the bamboo inner layers and bamboo outer layers of the bamboo splits towards the same direction. The device includes a scraping device, a sorting device and a clamping and conveying device which are arranged from front to back along an axis. The scraping device includes a conical cylinder, two pressing semi-rings, and a scraping ring. The sorting device includes an e-shaped sleeve composed of an inner cylinder and an outer cylinder, and two shifting forks located at both ends of the sleeve. The clamping and conveying device includes an inner ring moving on the axis, two clamping semi-rings and a conveying power device. The structure, function and technical parameters of each branch device are also introduced in detail.

公开(公告)号：US11858166B2

公开(公告)日：2024-01-02

申请号：US18192942

申请日：2023-03-30

Applicant: Nanjing Forestry University

Inventor： Baojin Wang ,  Qi Xu ,  Peibin Tian ,  Yun Zhang ,  Xinqi Zhu ,  Song Yang ,  Xinyu Yan ,  Anqi Wu ,  Zhibao Chen ,  Nanfeng Zhu ,  Sheping Wang ,  Jintao Shen

IPC: B27G11/00 ,  B27D1/10

CPC classification number: B27G11/00 ,  B27D1/10 ,  Y10T156/1317

Abstract: An unit narrow board glue application device and method suitable for high-frequency hot pressing of solid wood edge glued panel is disclosed, including a transverse chain feeding device, a longitudinal roller feeding device and a gluing device. The transverse chain feeding device includes a fixed chain transport mechanism and a movable chain transport mechanism. The longitudinal roller feeding device includes the lifting power roller assembly, the longitudinal feed roller assembly and the pneumatic compression roller assemblies. The gluing device includes a glue pump, a glue application head, and a pneumatic slide table. The front end face of the hollow structure glue application head has a number of small round holes for glue liquid discharge and horizontal glue guiding grooves. The disclosure has a high degree of automation, can give full play to the efficiency of the high-frequency hot press, and is conducive to the intelligent manufacturing of solid wood furniture.

公开(公告)号：US11694343B2

公开(公告)日：2023-07-04

申请号：US17296624

申请日：2020-01-23

Applicant: NANJING FORESTRY UNIVERSITY

Inventor： Linyun Xu ,  Hongping Zhou ,  Guanhua Liu ,  Jie Zhou ,  Yan Xuan ,  Xuesong Jiang ,  Qing Chen

IPC: G06T7/246 ,  G06T7/285 ,  G06T7/66 ,  G06T3/60

CPC classification number: G06T7/248 ,  G06T3/60 ,  G06T7/285 ,  G06T7/66 ,  G06T2207/30188

Abstract: A binocular-vision-based method for tracking fruit space attitude and fruit space motion, the method comprising: establishing a connected base coordinate system by taking a junction of a fruit and a fruit stem as an origin; statically photographing a feature point on the surface of the fruit and a point of the connected base coordinate system established at the junction of the fruit and the fruit stem; storing a photographed image; acquiring an inherent relationship between the feature point and the connected base coordinate system; photographing dynamic motion of the fruit; acquiring absolute coordinates of the feature point on the surface of the fruit; calculating, according to the inherent relationship between the feature point and the connected base coordinate system, absolute coordinates of a point of the connected base coordinate system at each moment corresponding to each frame of image; and respectively calculating the displacement, instantaneous speed and instantaneous acceleration of the fruit, calculating swing angular displacement and swing angular acceleration of the fruit, and calculating a fruit torsion angular speed and a fruit torsion angular acceleration at the moment t. The study of a fruit motion state in the field of forest fruit harvest through vibration is performed, so that the motion of fruits can be better tracked.

公开(公告)号：US11673833B2

公开(公告)日：2023-06-13

申请号：US17196108

申请日：2021-03-09

Applicant: Nanjing Forestry University

Inventor： Hongyan Chu ,  Jinyang Jiang ,  Huan Zhao ,  Li Gao ,  Jianjian Qin ,  Jinhui Tang ,  Fengjuan Wang ,  Kaijian Huang

IPC: C04B14/30 ,  C04B14/06 ,  C04B24/26 ,  C04B28/06 ,  C04B40/00 ,  C04B103/32 ,  C04B111/00

CPC classification number: C04B14/308 ,  C04B14/06 ,  C04B24/2641 ,  C04B28/065 ,  C04B40/0046 ,  C04B2103/32 ,  C04B2111/00862

Abstract: The invention discloses a strontium ferrite-based sacrificial mortar and its preparation method, the strontium ferrite-based sacrificial mortar mainly comprises 720-1000 parts of sulphoaluminate cement, 100-300 parts of strontium ferrite, 600-650 parts of quartz sand, 400-450 parts of water and 0.01-35 parts of superplasticizer. The preparation process is simple, and the strontium ferrite-based sacrificial mortar can be prepared by using a conventional forced single horizontal shaft concrete mixer. The obtained mortar has excellent working performance, compressive strength and corrosion resistance. It can be used in the current third and future fourth generation nuclear power plant core catchers, and has obvious engineering application value.

公开(公告)号：US20200299140A1

公开(公告)日：2020-09-24

申请号：US16308750

申请日：2017-09-08

Applicant: Nanjing Forestry University

Inventor： Songlin ZUO ,  Wenbin ZHANG ,  Yongfang WANG

IPC: C01B32/318 ,  C01B32/336

Abstract: The present invention provides a method for preparing nitrogen-containing activated carbon through ammonia activation, including: heating a carbonaceous raw material up to a switching temperature under a protective atmosphere; switching the protective atmosphere to an activator atmosphere at the switching temperature, and then heating up to an activation temperature; and carrying out an activation reaction at the activation temperature to obtain the nitrogen-containing activated carbon; where the protective atmosphere is one or more of nitrogen, argon and ammonia; and the activator atmosphere includes ammonia. In the present invention, the carbonaceous raw material is directly activated under the activator atmosphere, and nitrogen in ammonia and carbon in the raw material undergo an activation reaction to obtain the nitrogen-containing activated carbon. The method is extremely simple and convenient to operate, easy to implement, and has a relatively low cost.

公开(公告)号：US20200056784A1

公开(公告)日：2020-02-20

申请号：US16483963

申请日：2018-08-28

Applicant: NANJING FORESTRY UNIVERSITY

Inventor： YIMENG ZHANG ,  JIABIN ZHOU ,  HUANHUAN MA

IPC: F23G5/027 ,  F23G5/38 ,  F23G5/46 ,  F23G7/10

Abstract: An environmentally friendly combustion chamber for stable combustion of biomass gasification combustible gas. The combustion chamber is divided into a first stage cavity body (45) and a second stage cavity body (48) by a honeycomb-shaped heat storage body (46). A combustion pipe (41) is connected to a biomass gas inlet and a primary air distribution pipe (54), the combustion pipe (41) is connected to the first stage cavity body (45), and an ignition gun (42) and a thermocouple T1 are arranged on the first stage cavity body (45). A secondary air distribution pipe (47), opposite the honeycomb-shaped heat storage body (46), and a thermocouple T2 are arranged within the second stage cavity body (48), and the second stage cavity body (48) is connected to an outlet high temperature flue gas pipe (51). The primary air distribution pipe (54), a primary air volume adjustment valve (52), the secondary air distribution pipe (47) and a secondary air volume adjustment valve (53) are connected together to an air supply fan (49), and a controller (50) is connected to the thermocouple T1, the thermocouple T2, the primary air volume adjustment valve (52), the secondary air volume adjustment valve (53) and the air supply fan (49). The combustion chamber solves the problems of unstable combustion flames in traditional combustors, and high nitrogen oxide amounts in tail flue gas.

公开(公告)号：US20190003926A1

公开(公告)日：2019-01-03

申请号：US15807452

申请日：2017-11-08

Applicant: NANJING FORESTRY UNIVERSITY ,  ZHENGZHOU UNIVERSITY

Inventor： ZELI QUE ,  XIAOLIN YANG ,  QICHENG TENG ,  HONGYI LU ,  FEIBIN WANG ,  ZHERUI LI ,  WEIZHEN CAI

IPC: G01M99/00 ,  G01N3/08

Abstract: A test device of universal nail/screw holding power is provided. The device is capable of penetrating a nail/screw into a test piece at any angle and positioning the test piece on which a nail/screw is penetrated at any angle to test the nail/screw holding power. The device includes a base, two opposite supporting plates, two coaxial disks, an upper bearing plate, a lower bearing plate, a side bearing plate, a through groove, a trapezoid slot, and a plurality of trapezoid bolts on the same circumference. When the disk is turned, at least one trapezoid bolt is stretch into the trapezoid slot; when the at least one trapezoid bolt engages with the trapezoid slot and then is tightened up, the at least one trapezoid bolt and the trapezoid slot cooperatively limit the turn of the disk.

公开(公告)号：US20250120402A1

公开(公告)日：2025-04-17

申请号：US17202278

申请日：2021-03-15

Applicant: NANJING FORESTRY UNIVERSITY

Inventor： Jiayao ZHUANG ,  Chao LIU ,  Yangyang WANG

IPC: A01N63/20 ,  A01P21/00 ,  C12N1/20 ,  C12R1/01

Abstract: A root nodule growth-promoting Microbacterium sp. X-18 and application thereof are provided, relating to the technical field of microorganisms. The root nodule growth-promoting bacterium is classified as Microbacterium sp. X-18, preserved in China Center for Type Culture Collection with a preservation date of Apr. 8, 2019 and a preservation number of CCTCC No: M 2019236; and the preservation address is Wuhan University, Wuhan, China. The Microbacterium sp. X-18 of the disclosure is applied to the leguminous plant Robinia pseudoacacia, which can promote the effective nitrogen fixation of Robinia pseudoacacia, provide the nitrogen required for the growth of Robinia pseudoacacia, and give full play to the symbiotic nitrogen fixation ability of the root nodule growth-promoting growth promoting bacteria and plants, so as to promote the growth and development of Robinia pseudoacacia plants, and has a promising development prospect.