Abstract: A vanadium-based catalyst comprises an active phase carried on a carrier. The active phase comprises vanadium oxide, potassium sulfate, sodium sulfate, and assistants. The carrier comprises ultra-large-pore silicon dioxide and diatomite, the average pore size of the ultra-large-pore silicon dioxide ranges from 100 nm to 500 nm, and the diatomite is a refined diatomite having a silicon dioxide content of higher than 85% after refinement. The preparation method for the vanadium-based catalyst comprises: 1) mixing potassium vanadium and potassium hydroxide, and allowing a prepared mixed solution and sulfuric acid to carry out a neutralization reaction; and 2) mixing a neutralization reaction product in step 1) with the carrier and sodium sulfate, and carrying out rolling, band extrusion, drying and roasting to prepare the vanadium-based catalyst, assistant compounds being added in step 1) and/or step 2).
Type:
Grant
Filed:
June 13, 2017
Date of Patent:
March 9, 2021
Assignees:
CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC NANJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD
Abstract: Disclosed are a heavy oil activator, a preparation method and use thereof. The heavy oil activator has a structural formula shown in Formula (1). In Formula (1), x, y, z, m, and n are respectively mass fractions of corresponding chain segments in the polymer, m being 0.75-0.85, y being 0.20-0.24, and x, z, and n all being 0.001-0.01; and p is a natural number between 2 and 9. The activating polymer provided has the effects of increasing viscosity of an aqueous phase while reducing viscosity of crude oil, and can serve both as a displacing agent and a viscosity reducer to realize integration of the two agents.
Type:
Grant
Filed:
January 15, 2020
Date of Patent:
March 9, 2021
Assignees:
CHINA NATIONAL OFFSHORE OIL CORPORATION, CNOOC RESEARCH INSTITUTE CO., LTD.
Abstract: A distributed single-stage on-board charging device comprises a first transformer having a first primary winding and a first secondary winding; a first capacitor connected to the first primary winding; a first inductor connected to the first capacitor, wherein the first capacitor is located between the first inductor and the first transformer; a first transistor connected to the first capacitor and the first inductor; a first diode connected to the first secondary winding; a second transformer having a second primary winding and a second secondary winding, wherein the first transformer and the second transformer are connected in parallel; a second capacitor connected to the second primary winding; a second inductor connected to the second capacitor, wherein the second capacitor is located between the second inductor and the second transformer; and a second transistor connected to the second capacitor and the second inductor.
Type:
Grant
Filed:
December 22, 2017
Date of Patent:
March 9, 2021
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Inventors:
Nan-Hsiung Tseng, Chun-Chen Lin, Hsieh-Tai Su, Jih-Sheng Lai, Chin-Hone Lin
Abstract: The invention provides a dielectric waveguide for transmitting millimeter waves or sub-millimeter waves. The dielectric waveguide is easily processed and connected even when having a small diameter, and can provide a connection structure exhibiting low transmission and return losses of high frequency signals. The dielectric waveguide includes a dielectric waveguide body and a dielectric waveguide end having a lower permittivity than the dielectric waveguide body. The dielectric waveguide body and the dielectric waveguide end are seamlessly and monolithically formed from the same material.
Type:
Grant
Filed:
September 29, 2017
Date of Patent:
March 9, 2021
Assignees:
DAIKIN INDUSTRIES, LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
Abstract: The present disclosure relates to compositions and methods for modifying a gene sequence, and for systems for delivering such compositions. For example, the disclosure relates to modifying a gene sequence using a CRISPR-Cas9 or other nucleic acid editing system, and methods and delivery systems for achieving such gene modification, such as viral or non-viral delivery systems.
Type:
Grant
Filed:
July 6, 2018
Date of Patent:
March 9, 2021
Assignee:
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Inventors:
Hao Yin, Wen Xue, Daniel G. Anderson, Joseph R. Dorkin, Tyler E. Jacks
Abstract: An adjustable respirator shell, suitable for being worn on a human body trunk, includes a body, a belt and a buffer. The body includes a protrusive portion and a contact portion. The protrusive portion has an opening connecting a fluid pressure controller, and the contact portion is to contact the human body trunk. The belt, connecting the body, is to surround the human body trunk so as to fasten the adjustable respirator shell on the human body trunk. The buffer covers a circumference of the contact portion, and the contact portion contacts the human body trunk via the buffer. In addition, the buffer includes at least one cushion.
Type:
Grant
Filed:
December 28, 2017
Date of Patent:
March 9, 2021
Assignees:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, CHANG GUNG MEDICAL FOUNDATION LIN-KOU CHANG GUNG MEMORIAL HOSPITAL
Inventors:
Ting-Hsuan Chen, Chun-Hua Wang, Chung-Hsin Su, Jo-Ping Lee
Abstract: The present invention relates to a herpes zoster vaccine composition, which comprises glycoprotein E of Varicella zoster virus, a glucopyranosyl lipid adjuvant, and a metabolic oil, and selectively increases a cell-mediated immune reaction without having disadvantages of attenuated live vaccines, thereby exhibit high safety and a high preventive effect against herpes zoster.
Type:
Grant
Filed:
December 20, 2017
Date of Patent:
March 9, 2021
Assignees:
MOGAM INSTITUTE FOR BIOMEDICAL RESEARCH, INFECTIOUS DISEASE RESEARCH INSTITUTE
Inventors:
Hyo Jung Nam, Eun Mi Kim, Duck Hyang Shin, Steven G. Reed, Kang Il Yoo, Sung Jun Hong
Abstract: A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 16200 and a code rate of 4/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 16-symbol mapping.
Type:
Grant
Filed:
August 2, 2019
Date of Patent:
March 9, 2021
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Inventors:
Sung-Ik Park, Sun-Hyoung Kwon, Bo-Mi Lim, Jae-Young Lee, Heung-Mook Kim, Nam-Ho Hur
Abstract: A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 64800 and a code rate of 3/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 16-symbol mapping.
Type:
Grant
Filed:
August 1, 2019
Date of Patent:
March 9, 2021
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Inventors:
Sung-Ik Park, Sun-Hyoung Kwon, Jae-Young Lee, Heung-Mook Kim, Nam-Ho Hur
Abstract: A FFL-based magnetic particle imaging three-dimensional reconstruction method includes: acquiring current signal data of an induction coil during FFL-based three-dimensional scanning process of a scanned object; based on the current signal data, performing deconvolution through a preset kernel function to acquire a two-dimensional image data set, wherein the kernel function is a step function with L2 regularized constraint; based on the two-dimensional image data set, acquiring an initial three-dimensional image by using a Wiener filtering deconvolution algorithm; and based on the initial three-dimensional image, performing deconvolution through a Langevin function, and acquiring a final three-dimensional image by Radon transformation.
Type:
Grant
Filed:
June 22, 2020
Date of Patent:
March 9, 2021
Assignee:
INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES
Inventors:
Jie Tian, Peng Zhang, Hui Hui, Kun Wang, Xin Yang
Abstract: The time of transmission and reception between stations A and B is exchanged, and any deviation in time is calculated in a corresponding manner in the stations.
Type:
Grant
Filed:
January 18, 2017
Date of Patent:
March 9, 2021
Assignee:
NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
Inventors:
Nobuyasu Shiga, Masugi Inoue, Satoshi Yasuda, Kohta Kido
Abstract: Dihydrogen metaphosphate can be synthesized via protonation, and can react with a dehydrating agent to afford tetrametaphosphate anhydride. A monohydrogen tetrametaphosphate organic ester can be derived from the anhydride. A metal tetrametaphosphate complex can be prepared using a metal salt and a dihydrogen tetrametaphosphate.
Type:
Grant
Filed:
July 1, 2018
Date of Patent:
March 9, 2021
Assignee:
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Inventors:
Yanfeng Jiang, Khetpakorn Chakarawet, Julia Stauber, Christopher Colin Cummins
Abstract: A panel to be plated is provided. The panel includes a substrate and an electric field compensation structure. The substrate includes a plurality of units to be plated each including a first pattern to be plated. The electric field compensation structure is disposed on the substrate. The electric field compensation structure includes a second pattern to be plated surrounding at least one of the units to be plated. A ratio of an area of the first pattern to be plated of the units to be plated to an area of the second pattern to be plated of the electric field compensation structure is in a range from 1:0.07 to 1:0.3.
Type:
Grant
Filed:
June 20, 2019
Date of Patent:
March 9, 2021
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Abstract: A experimental device is specifically an annular water tank formed by a first arc-shaped water tank, a first special-shaped water tank, a second arc-shaped water tank and a second special-shaped water tank which are sequentially connected head to tail, and the outer perimeter is 70 m to 110 m, wherein the inner walls of both the first special-shaped water tank and the second special-shaped water tank are flat, both of the widths between the outer walls and the inner walls are gradually increased from the two ends to the middle, and water flow pushing equipment which are capable of enabling the maximum water flow velocity in the experimental device to reach a preset value are respectively placed in the first special-shaped water tank and the second special-shaped water tank.
Abstract: The present invention enables a high-quality filtered image to be generated even from multimodal and multispectral images containing positional deviations. An image perturbation part generates a perturbed guide image group comprising first to K-th perturbed guide images obtained by deforming a guide image. A filtering part generates a filtered image group comprising first to K-th filtered images by applying first to K-th filtering processing to a target image by using the perturbed guide image group. A reliability calculation part calculates a reliability group comprising first to K-th reliabilities for the first to K-th filtered images of the filtered image group on the basis of first to K-th correlation values between the first to K-th perturbed guide images and the target image. A weight optimization part generates, on the basis of the first to K-th reliabilities, a weight group comprising first to K-th weights to be respectively used when compositing the first to K-th filtered images.
Type:
Grant
Filed:
October 26, 2017
Date of Patent:
March 9, 2021
Assignees:
NEC CORPORATION, TOKYO INSTITUTE OF TECHNOLOGY
Abstract: The present disclosure provides a high-speed and low-noise dynamic comparator, which includes: an input unit, including an input NMOS transistor and an input PMOS transistor; a latch unit, including a latching NMOS transistor and a latching PMOS transistor, where the latching NMOS transistor and the latching PMOS transistor are connected to form a latch structure; a pull-up unit, including a pull-up PMOS transistor connected to the input NMOS transistor; and a substrate bootstrap voltage generation circuit, generating a substrate bootstrap voltage.
Type:
Grant
Filed:
July 18, 2018
Date of Patent:
March 9, 2021
Assignee:
NO. 24 RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION
Abstract: Disclosed are a method and system for automatic detection of a fabric defect. The method comprises: preprocessing a region of a fabric to be detected during a fabric transmission process by a noise removing device to eliminate noise interference during a detection process; triggering a camera to perform image acquisition on the fabric to be detected according to rotation information of a motor of a roller of a cloth inspection machine; and automatically identifying a defect on the fabric to be detected based on an acquisition image.
Type:
Grant
Filed:
April 11, 2018
Date of Patent:
March 9, 2021
Assignee:
THE HONG KONG RESEARCH INSTITUTE OF TEXTILES AND APPAREL LIMITED
Abstract: A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 64800 and a code rate of 4/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 256-symbol mapping.
Type:
Grant
Filed:
July 31, 2019
Date of Patent:
March 9, 2021
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Inventors:
Sung-Ik Park, Sun-Hyoung Kwon, Jae-Young Lee, Heung-Mook Kim, Nam-Ho Hur
Abstract: An optical system and an image sensor including the same are provided. The optical system includes first, second, and third optical devices. At least one of the first, second, and third optical devices is a thin-lens including nanostructures.
Type:
Grant
Filed:
March 16, 2018
Date of Patent:
March 9, 2021
Assignees:
SAMSUNG ELECTRONICS CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGY
Inventors:
Seunghoon Han, Amir Arbabi, Andrei Faraon, Sungwoo Hwang, Jangwoo You, Byounglyong Choi