Patents by Inventor Wenchao Ma
Wenchao Ma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11977401Abstract: A power supply soft-start control method, control apparatus and control device, and a storage medium. Frequency adjustment is added to a power supply soft-start process. A voltage step value is utilized to control a voltage adjusting loop to perform voltage feedback adjustment, and a frequency step value is utilized to control a frequency adjusting loop to perform frequency feedback adjustment. In an adjusting process, according to a voltage set value of the voltage adjusting loop and a frequency set value of the frequency adjusting loop, one of the voltage adjusting loop and the frequency adjusting loop is selected to control a soft-start output voltage, whereby voltage adjustment and frequency adjustment are mutually restricted.Type: GrantFiled: January 25, 2021Date of Patent: May 7, 2024Assignee: GUANGDONG INSPUR SMART COMPUTING TECHNOLOGY CO., LTD.Inventor: Wenchao Ma
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Patent number: 11939528Abstract: A method for preparing biochar and hydrogen by utilizing anaerobic fermentation byproducts, the method including: (1) mixing a first straw, seeding sludge and distilled water, and then carrying out anaerobic fermentation to obtain a mixed product after fermentation; (2) performing separation on the mixed product to obtain a second straw and biogas slurry; and (3) carbonizing the second straw to obtain biochar, and collecting gas after a pressurized catalytic reaction on the biogas slurry to obtain hydrogen.Type: GrantFiled: October 16, 2019Date of Patent: March 26, 2024Assignee: TIANJIN UNIVERSITYInventors: Guanyi Chen, Xiang Guo, Yurou Mao, Beibei Yan, Yanbin Zhang, Junyu Tao, Wanqing Li, Zhanjun Cheng, Wenchao Ma
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Patent number: 11941802Abstract: The present application discloses a method, device, and system for processing a medical image. The method includes obtaining, by one or more processors, a target image, segmenting, by the one or more processors, a target region image from the target image, wherein the target region image comprises a target object region in the target image, analyzing, by the one or more processors, the target region image based at least in part on a machine learning model, and obtaining by the one or more processors, a recognition result based at least in part on the analysis of the target region image.Type: GrantFiled: March 23, 2021Date of Patent: March 26, 2024Assignee: Alibaba Group Holding LimitedInventors: Minfeng Xu, Zhe Tang, Shuangrui Liu, Wenchao Guo, Jianqiang Ma
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Publication number: 20240068075Abstract: A corrosion-resistant nickel alloy is provided. The alloy includes the following components in percentage by mass: 4.68-5.35% of B, 5.69-6.41% of W, 27.68-28.39% of Cr, 12.65-13.42% of Al, and the balance of Ni and inevitable impurities. The corrosion-resistant nickel alloy is a Ni—W—B ternary alloy with main components of Ni, W and B, wherein the three elements have strong high-temperature corrosion resistance at a temperature of about 600° C., and have the potential of solid solution hardening and precipitate formation because all belong to solid solution forming elements, so that a creep strength of a nickel alloy matrix is improved. Meanwhile, Al and Cr are further added in the alloy formula, so that Al2O3 and Cr2O3 oxide layers can be formed, which play a role as a physical diffusion barrier against chlorine gas and other corrosive gases.Type: ApplicationFiled: November 9, 2023Publication date: February 29, 2024Applicant: Hainan UniversityInventors: Wenchao MA, Terrence Wenga, Sixuan ZENG, Xingcai CHEN, Lingyu TAI
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Patent number: 11866806Abstract: A corrosion-resistant nickel alloy, a preparation method thereof and, and a use thereof are provided. The alloy includes the following components in percentage by mass: 4.68-5.35% of B, 5.69-6.41% of W, 27.68-28.39% of Cr, 12.65-13.42% of Al, and the balance of Ni and inevitable impurities. The alloy disclosed by the present invention is a Ni—W—B ternary alloy with main components of Ni, W and B, wherein the three elements have strong high-temperature corrosion resistance at a temperature of about 600° C., and have the potential of solid solution hardening and precipitate formation because all belong to solid solution forming elements, so that a creep strength of a nickel alloy matrix is improved. Meanwhile, Al and Cr are further added in the alloy formula, so that Al2O3 and Cr2O3 oxide layers can be formed, which play a role as a physical diffusion barrier against chlorine gas and other corrosive gases.Type: GrantFiled: December 8, 2022Date of Patent: January 9, 2024Assignee: TIANJIN UNIVERSITYInventors: Wenchao Ma, Sixuan Zeng, Terrence Wenga
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Publication number: 20230362478Abstract: Shooting method, apparatus and electronic device are disclosed. The electronic device includes a first camera and a second camera. The field of view of the first camera includes a first sub-field and a second sub-field. The first sub-field is within the field of view of the second camera, while the second sub-field is outside the field of view of the second camera. The shooting method includes: detecting the first relative speed of a target object to the electronic device based on the first camera in a case of detecting that the target object has moved into the second sub-field; adjusting a shooting parameter of the second camera based on the first relative speed in a case of detecting that the target object has moved from the second sub-field into the first sub-field; and shooting the target object using the second camera based on the adjusted shooting parameter.Type: ApplicationFiled: July 14, 2023Publication date: November 9, 2023Inventor: Wenchao MA
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Publication number: 20230286026Abstract: The present application discloses a high-efficiency petroleum degrading bacterium TDYN1T and use thereof, identified as Falsochrobactrum sp., deposited in the China General Microbiological Culture Collection Center, with a deposit number CGMCC No. 18061. The high-efficiency petroleum degrading bacterium TDYN1T of the present application is used in petroleum-contaminated soil for degrading, having a good effect, in particular, having a high degradation efficiency when the petroleum is degraded under the conditions of 30±1° C. and pH 7-7.4.Type: ApplicationFiled: November 26, 2019Publication date: September 14, 2023Inventors: Guanyi CHEN, Lei ZHONG, Jingnan TIAN, Shu TIAN, Yuru SUN, Wenzhu WU, Wenchao MA
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Publication number: 20230212715Abstract: A corrosion-resistant nickel alloy, a preparation method thereof and, and a use thereof are provided. The alloy includes the following components in percentage by mass: 4.68-5.35% of B, 5.69-6.41% of W, 27.68-28.39% of Cr, 12.65-13.42% of Al, and the balance of Ni and inevitable impurities. The alloy disclosed by the present invention is a Ni—W—B ternary alloy with main components of Ni, W and B, wherein the three elements have strong high-temperature corrosion resistance at a temperature of about 600° C., and have the potential of solid solution hardening and precipitate formation because all belong to solid solution forming elements, so that a creep strength of a nickel alloy matrix is improved. Meanwhile, Al and Cr are further added in the alloy formula, so that Al2O3 and Cr2O3 oxide layers can be formed, which play a role as a physical diffusion barrier against chlorine gas and other corrosive gases.Type: ApplicationFiled: December 8, 2022Publication date: July 6, 2023Applicant: TIANJIN UNIVERSITYInventors: Wenchao MA, Sixuan ZENG, Terrence Wenga
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Publication number: 20220017825Abstract: A method for preparing biochar and hydrogen by utilizing anaerobic fermentation byproducts, the method including: (1) mixing a first straw, seeding sludge and distilled water, and then carrying out anaerobic fermentation to obtain a mixed product after fermentation; (2) performing separation on the mixed product to obtain a second straw and biogas slurry; and (3) carbonizing the second straw to obtain biochar, and collecting gas after a pressurized catalytic reaction on the biogas slurry to obtain hydrogen.Type: ApplicationFiled: October 16, 2019Publication date: January 20, 2022Applicant: TIANJIN UNIVERSITYInventors: Guanyi CHEN, Xiang GUO, Yurou MAO, Beibei YAN, Yanbin ZHANG, Junyu TAO, Wanqing LI, Zhanjun CHENG, Wenchao MA
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Patent number: 11181266Abstract: Disclosed is a method for calculating combustion in the bed of a waste incinerator. The method is based on a model of combustion in a waste incinerator bed and comprises a water evaporation model, a volatile matter analysis model, a volatile matter combustion model, and a fixed carbon combustion model. The volatile matter of the volatile matter combustion model comprises CO, H2, CH4, NH3, and H2S. The volatile matter combustion model comprises a combustion reaction equation for said volatile matter and O2, and respective equations for CO and CH4 reacting with water vapor. Equations governing the model of combustion in the bed of a waste incinerator comprise a continuity equation, an energy equation, a momentum equation, and a component equation. Boundary conditions of said governing equations comprise: equations of heat transfer and mass transfer from an upper boundary layer of the bed to the exterior; and equations of heat transfer and mass transfer from lower boundary layer of the bed to the exterior.Type: GrantFiled: June 21, 2018Date of Patent: November 23, 2021Assignee: TIANJIN UNIVERSITYInventors: Guanyi Chen, Tianbao Gu, Wenchao Ma, Chen Ma, Li'an Hou, Beibei Yan, Bin Liu
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Publication number: 20210262658Abstract: Disclosed is a method for calculating combustion in the bed of a waste incinerator. The method is based on a model of combustion in a waste incinerator bed and comprises a water evaporation model, a volatile matter analysis model, a volatile matter combustion model, and a fixed carbon combustion model. The volatile matter of the volatile matter combustion model comprises CO, H2, CH4, NH3, and H2S. The volatile matter combustion model comprises a combustion reaction equation for said volatile matter and O2, and respective equations for CO and CH4 reacting with water vapor. Equations governing the model of combustion in the bed of a waste incinerator comprise a continuity equation, an energy equation, a momentum equation, and a component equation. Boundary conditions of said governing equations comprise: equations of heat transfer and mass transfer from an upper boundary layer of the bed to the exterior; and equations of heat transfer and mass transfer from lower boundary layer of the bed to the exterior.Type: ApplicationFiled: June 21, 2018Publication date: August 26, 2021Inventors: Guanyi Chen, Tianbao Gu, Wenchao Ma, Chen Ma, Li'an Hou, Beibei Yan, Bin Liu
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Publication number: 20200231466Abstract: Described herein are systems and methods of analyzing data acquired from a water plant, both historical and in real-time, making determinations about process and asset health diagnosis and anomaly detection using advanced techniques, and controlling the plant and/or providing alerts based on such determinations.Type: ApplicationFiled: October 9, 2017Publication date: July 23, 2020Inventors: Su LU, Zijun XIA, Zhaoyang WAN, Yu WANG, Xijing BI, Guoliang WANG, Chuanyou TANG, Zhiping ZHU, Wenchao MA, Qin DONG, Sijing WANG, Yisong LI, Jiajia LING
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Patent number: 10616400Abstract: The present disclosure provides a control method of a terminal device and a wearable device, a terminal device, and a wearable device thereof. The control method of a terminal device includes receiving first information transmitted from a wearable device, the terminal device being in a first state, and the first information being related to data detected by the wearable device; determining second information, the second information being related to an input detected by the terminal device; and switching the terminal device to a second state if the first information corresponds to the second information.Type: GrantFiled: August 18, 2017Date of Patent: April 7, 2020Assignee: LENOVO (BEIJING) CO., LTD.Inventor: Wenchao Ma
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Patent number: 10345859Abstract: A display method, apparatus, and program product for a bendable electronic device. The method determines whether a display of a bendable electronic device is in a planar first form or in a curved second form. The method displays a first interface of a first application in response to determining that the display is in the planer first form. The method displays a second interface that is available in the first application, the second interface adaptive to the curve second form, in response to determining that the display is in the curved second form is disclosed. An apparatus and/or a program product may perform the method.Type: GrantFiled: December 8, 2016Date of Patent: July 9, 2019Assignee: Lenovo (Beijing) LimitedInventors: Wenjing Shen, Wenchao Ma, Feng Chen, Xiaotian Zhu, Guanchen Yang, Jie Xia, Sheng Yang, Zhixiang Wang
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Publication number: 20180054513Abstract: The present disclosure provides a control method of a terminal device and a wearable device, a terminal device, and a wearable device thereof. The control method of a terminal device includes receiving first information transmitted from a wearable device, the terminal device being in a first state, and the first information being related to data detected by the wearable device; determining second information, the second information being related to an input detected by the terminal device; and switching the terminal device to a second state if the first information corresponds to the second information.Type: ApplicationFiled: August 18, 2017Publication date: February 22, 2018Inventor: Wenchao MA
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Patent number: 9836094Abstract: A display method and an electronic device are described. The display method is applied in an electronic device that includes a display unit and at least one sensing unit. The method includes obtaining first sensing data by a first sensing unit; determining first display information according to the first sensing data; judging whether a predetermined condition is met or not to obtain a judgment result; and selecting a first mode or a second mode to be used to determine a display position of the first display information on the display unit according to the judgment result, wherein the first mode is different from the second mode; and displaying the first display information at the display position.Type: GrantFiled: February 24, 2014Date of Patent: December 5, 2017Assignee: LENOVO (BEIJING) CO., LTD.Inventor: Wenchao Ma
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Patent number: 9728163Abstract: An electronic device and an operation mode switching method thereof are described. The operation mode switching method is applied to an electronic device that includes a display unit, and the electronic device has a first operation mode and a second operation mode. The display unit has a first light-transmittance in the first operation mode and a second light-transmittance in the second operation mode such that the first high light-transmittance is higher than the second light-transmittance. The method includes detecting to obtain a trigger event; judging whether or not the trigger event satisfies a predefined condition to get a judgment result and, when the judgment result indicates that the trigger event satisfies the predefined condition, generating a switching instruction, and according to the switching instruction, switching the electronic device between the first operation mode and the second operation mode.Type: GrantFiled: June 18, 2015Date of Patent: August 8, 2017Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Wenchao Ma, Dayong Gan, Xinru Hou, Shifeng Peng
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Publication number: 20170205990Abstract: A method for controlling display regions for applications of an electronic device, where the method includes detecting, on a display of an electronic device configured to display a first application interface corresponding to a first application and a shortcut interface comprising one or more second application icons, a first operation performed on one of the one or more second application icons. The method further includes determining whether the first operation satisfies a predetermined condition, and defining a first display region and a second display region in response to determining that the first operation satisfies the predetermined condition. A system and an apparatus are also capable of performing various embodiments of the method.Type: ApplicationFiled: January 17, 2017Publication date: July 20, 2017Inventor: Wenchao Ma
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Publication number: 20170160770Abstract: A display method, apparatus, and program product for a bendable electronic device. The method determines whether a display of a bendable electronic device is in a planar first form or in a curved second form. The method displays a first interface of a first application in response to determining that the display is in the planer first form. The method displays a second interface that is available in the first application, the second interface adaptive to the curve second form, in response to determining that the display is in the curved second form is disclosed. An apparatus and/or a program product may perform the method.Type: ApplicationFiled: December 8, 2016Publication date: June 8, 2017Inventors: Wenjing Shen, Wenchao Ma, Feng Chen, Xiaotian Zhu, Guanchen Yang, Jie Xia, Sheng Yang, Zhixiang Wang
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Publication number: 20150287387Abstract: An electronic device and an operation mode switching method thereof are described. The operation mode switching method is applied to an electronic device that includes a display unit, and the electronic device has a first operation mode and a second operation mode. The display unit has a first light-transmittance in the first operation mode and a second light-transmittance in the second operation mode such that the first high light-transmittance is higher than the second light-transmittance. The method includes detecting to obtain a trigger event; judging whether or not the trigger event satisfies a predefined condition to get a judgment result and, when the judgment result indicates that the trigger event satisfies the predefined condition, generating a switching instruction, and according to the switching instruction, switching the electronic device between the first operation mode and the second operation mode.Type: ApplicationFiled: June 18, 2015Publication date: October 8, 2015Applicant: Lenovo (Beijing) Co., Ltd.Inventors: Wenchao Ma, Dayong Gan, Xinru Hou, Shifeng Peng