Patents Assigned to Nanjing University
-
Publication number: 20180373621Abstract: A testing system for testing a touch screen graphical user interface is disclosed. The testing system includes a touch screen for displaying the graphical user interface under test and for receiving a first plurality of touch inputs from at least one user, a first module for recognizing the first plurality of touch inputs received by the touch screen as a second plurality of data structures, a second module for receiving the second plurality of data structures from the first module and constructing at least one test model, a third module for generating a third plurality of test cases based on the at least one test model constructed by the second module, and a fourth module for executing the third plurality of test cases generated by the third module.Type: ApplicationFiled: April 10, 2018Publication date: December 27, 2018Applicant: Nanjing UniversityInventors: Enyi Tang, Linzhang Wang, Chucheng Zhang, Haoliang Cheng, Xin Chen, Xuandong Li
-
Patent number: 10160835Abstract: A self-healing polymer includes metal ions and a polymer network including polymer chains cross-linked through coordination bonds with the metal ions. Each polymer chain includes ligands within a backbone of the polymer chain, and the ligands include metal ion coordination sites.Type: GrantFiled: December 20, 2016Date of Patent: December 25, 2018Assignees: The Board of Trustees of the Leland Stanford Junior University, Nanjing UniversityInventors: Chao Wang, Cheng-Hui Li, Zhenan Bao
-
Publication number: 20180353098Abstract: The present disclosure relates to a system and method for MRI with respect to vessels and bleedings. The method may include exciting a region of interest by applying an RF pulse, wherein the region of interest includes a vessel region and a bleeding region. The method may further include acquiring a plurality of echo signals related to the region of interest. The method may further include generating one or more magnitude images based on the plurality of echo signals, generating a first image with respect to the vessel region based on the one or more magnitude images, generating one or more phase images based on the plurality of echo signals, and generating a second image with respect to a distribution of susceptibility of the bleeding region based on the one or more phase images.Type: ApplicationFiled: June 29, 2017Publication date: December 13, 2018Applicants: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD., The affiliated Drum Tower hospital of Nanjing university medical schoolInventors: Yongquan YE, Bing ZHANG
-
Patent number: 10144925Abstract: Provided is a preparation method of a yeast cell immobilization medium, which comprises the following steps: (1) boiling a fiber material in boiling water and drying the fiber material; (2) soaking the fiber material in a surface modified aqueous solution with a concentration of 1-100 g/L, using hydrochloric acid to adjust a PH of the solution to 7.0, fully rinsing the fiber material in deionized water and drying the fiber material; (3) soaking the fiber material in a cross-linking agent aqueous solution with a concentration of 1-100 g/L, fully rinsing the fiber material in deionized water and drying the fiber material; and (4) attaching the fiber material to supporting framework. Also provided is the yeast cell immobilization medium prepared using the preparation method and a method for producing ethanol using the yeast cell immobilization medium.Type: GrantFiled: December 13, 2012Date of Patent: December 4, 2018Assignee: Nanjing University of TechnologyInventors: Hanjie Ying, Yong Chen, Qingguo Liu, Jinglan Wu, Xiaochun Chen, Jingjing Xie
-
Patent number: 10145746Abstract: The present invention discloses a diode array-based digitized miniature ultra-low-power-consumption impact monitoring system, which belongs to the technical field of aircraft structural health monitoring. The impact monitoring system consists of a miniature sensor array interface, a passive band-pass filter array, a diode array, a digital conversion and management module, an on-board bus communication module, a monitoring data storage module, a self-powering module, and a miniature communication and power supply interface. According to the impact monitoring system, the amplitudes of impact response signals are controlled within a clamp voltage range of diodes by using the diode array, thereby realizing the first-stage digitization; and the second-stage digitization of the impact response signals is realized by using the digital conversion and management module consisting of a miniature field programmable gate array of ultra-low-power-consumption.Type: GrantFiled: November 16, 2015Date of Patent: December 4, 2018Assignee: Nanjing University of Aeronautics and AstronauticsInventors: Lei Qiu, Shenfang Yuan, Qianyun Zheng, Hanfei Mei, Yuanqiang Ren, Qiao Bao
-
Publication number: 20180298520Abstract: Disclosed is a method for depositing ultrathin C8-BTBT, PTCDA and their heterojunctions with precise control of the molecular layers. In the method, source of the organic semiconductor material to grow (C8-BTBT or PTCDA) and a support are spaced from each other in a vacuum chamber with a temperature gradient, and ultrathin organic semiconductor crystal can be deposited on the support in crystalline form and with precisely controlled molecular layers. The as-deposited C8-BTBT or PTCDA crystals can be one-molecular-layer or two-molecular-layer in thickness and has full coverage on the support without any additional layers or voids. Ultrathin heterojunctions of these two-dimensional organic semiconductors can also be achieved.Type: ApplicationFiled: April 17, 2017Publication date: October 18, 2018Applicant: Nanjing UniversityInventors: Xinran WANG, Bing Wu, Yi SHI, Daowei HE
-
Patent number: 10099952Abstract: A method for treating organic wastewater includes: proceeding with anaerobic fermentation on organic wastewater to obtain a fermentation liquid; nitrifying a portion of the fermentation liquid to obtain a first fermentation liquid containing nitrate nitrogen, and separating the remaining portion of the fermentation liquid to obtain a second fermentation liquid containing propionic acid; mixing the first and second fermentation liquids to obtain a mixture; and removing nitrogen and phosphorus from the mixture and then proceeding with sedimentation to obtain a sediment and a supernatant discharged as purified water. An organic wastewater treating system includes an anaerobic fermentation reactor, an aeration tank, a fermentation liquid separating equipment, a biological removal reactor for removing nitrogen and phosphorus, and a sedimentation tank.Type: GrantFiled: December 29, 2016Date of Patent: October 16, 2018Assignees: Tongji University, Nanjing UniversityInventors: Yinguang Chen, Hongqiang Ren, Xiong Zheng, Haining Huang, Hui Liu
-
Patent number: 10060804Abstract: A cooling-heating stage-type fast scanning calorimeter capable of being integrated with other microscopic structure characterization techniques. The cooling-heating stage-type fast scanning calorimeter includes a sample chamber provided with light transmission and reflection transparent windows on the walls thereof, a cooling-heating stage provided with internal heating elements and coolant channels for temperature control and also provided with a transmission hole, a sample chamber temperature control system and a fast calorimetric system.Type: GrantFiled: December 20, 2013Date of Patent: August 28, 2018Assignee: Nanjing UniversityInventors: Dongshan Zhou, Lai Wei, Jing Jiang, Qi Xue, Wei Chen, Xiaoliang Wang, Wei Jiang, Christoph Schick
-
Patent number: 10010862Abstract: Implementations herein relate to a method for extraction of phthalates using hydrophilic magnetic resins with high specific surface areas. The implementations relate to a technical field of preparation of resins for fast enrichment and separation of trace organics in water. By adding magnetic particles, precursor resins may be prepared using divinylbenzene, vinyl benzoate and glycidyl methacrylate copolymerization ester. After the cross-linking reaction, surface areas of the resins are increased and hydrolysis of the ester group in alkaline solution may be implemented to obtain high specific surface magnetic resins rich in hydroxyl groups. The resins have higher adsorptive capacity and selectivity to adsorb phthalates in water samples. Rapid extraction may be implemented using magnetic solid phase extraction rod to achieve enrichment and separation of phthalates in a large amount of water samples.Type: GrantFiled: August 21, 2014Date of Patent: July 3, 2018Assignees: NANJING UNIVERSITY, Nanjing University & Yancheng Academy of Environmental Protection Technology and EngineeringInventors: Qing Zhou, Mancheng Zhang, Aimin Li, Chendong Shuang, Mengqiao Wang, Wei Wang, Congjian Huang, Jingyi Jiang, Haibo Li
-
Patent number: 9971681Abstract: A method for garbage collection in a NAND flash memory system is disclosed. The method includes the steps of receiving a data request task in the NAND flash memory system; executing the data request task in the NAND flash memory system; based on the condition where the number of free data pages in the NAND flash memory system is below the first pre-determined threshold, determining whether a data block partial garbage collection list is empty; based on the condition where the data block partial garbage collection list is empty, selecting a victim block in the NAND flash memory system; and creating a plurality of data block partial garbage collection tasks.Type: GrantFiled: June 1, 2016Date of Patent: May 15, 2018Assignee: Nanjing UniversityInventors: Qi Zhang, Xuandong Li, Linzhang Wang, Tian Zhang, Yi Wang, Zili Shao
-
Publication number: 20180114026Abstract: A system for automatic buffer overflow warning inspection and bug repair is disclosed. The system includes a first module for warning reachability analysis, the first module accepts static overflow warnings and source code as an input, the first module is functionally connected to the second and the third modules, and sends out a warning path set as an output. The system also includes a second module for guided symbolic execution, the second module is functionally connected to the first module and the third module. The system further includes a third module for buffer overflow validation, the third module is functionally connected to the first, the second and the four modules and sends out undecided warnings and false warnings as output. The system further includes a fourth module for targeted automatic repair, the fourth module is functionally connected to the third module and sends out true warnings as output.Type: ApplicationFiled: October 25, 2016Publication date: April 26, 2018Applicant: Nanjing UniversityInventors: Linzhang Wang, You Li, Xuandong Li
-
Patent number: 9949721Abstract: Acoustic diodes, devices incorporating such diodes and methods of using such devices are disclosed. An acoustic diode may include a periodic acoustic grating and a uniform plate. The periodic acoustic grating may include a plurality of gratings. The uniform plate may foe separated from the periodic acoustic grating by a resonant cavity. The acoustic diode may be configured to have a first transmission efficiency for acoustic waves incident on the periodic acoustic grating that is greater than a second transmission efficiency for acoustic waves incident on the uniform plate. The acoustic waves may have a wavelength within a range of wavelengths. Devices incorporating the acoustic diode may include medical imaging devices, such as ultrasound devices, and noise reduction devices.Type: GrantFiled: March 22, 2013Date of Patent: April 24, 2018Assignee: Nanjing UniversityInventors: Juan Tu, Bin Liang, Jianchun Cheng, Dong Zhang, Yong Li, Xiasheng Guo
-
Publication number: 20180015164Abstract: The Invention relates to a method to utilize the characteristic of a protective agent to incubate singlet oxygen and prolong its lifetime so as to provide abundant singlet oxygen with persistence and thus improve the effect of photodynamic therapy. The composition is composed of a functional substance that can prolong the lifetime of singlet oxygen, an emulsifier and a photosensitizer; the functional substance is emulsified into an emulsion through the emulsifier and delivered into a tumor tissue with the photosensitizer; then the photodynamic therapy can be conducted with the abundant singlet oxygen incubated by the functional substance that can prolong the lifetime of singlet oxygen and thus the effect of photodynamic therapy is improved.Type: ApplicationFiled: December 29, 2016Publication date: January 18, 2018Applicant: Nanjing UniversityInventors: Yiqiao HU, Jinhui WU, Yuhao CHENG, Qing HUANG
-
Publication number: 20180012498Abstract: The present invention provides an auxiliary berthing method and system for a vessel. Position information of a vessel relative to a berth is determined by a solar blind ultraviolet imaging method; meanwhile, by a GPS method, an attitude angle of the vessel relative to the berth is determined by at least two GPS receivers. Thus, the vessel can be berthed safely when getting close to the shore at low visibility. Further, in the method and device of the present invention, it can be preferable to integrate coordinate data and angle data received by a solar blind ultraviolet imaging module and GPS signal receiving modules by a normalized correlation algorithm and a data fusion algorithm, so as to improve the positioning accuracy.Type: ApplicationFiled: September 21, 2015Publication date: January 11, 2018Applicant: Nanjing University 5D Technology Co., Ltd.Inventors: Xi ZHU, Yuanyuan LI, Feng YAN, Xiang LI, Xun CAO, Weisong PAN, Jianwen DING, Jibin WANG, Jun WANG, Chen CHEN, Dapeng LI, Wei LI, Wenzhu WANG
-
Publication number: 20180010917Abstract: The present invention provides an auxiliary berthing method and system for a vessel. In the berthing method, by a solar blind ultraviolet imaging method, a position and an attitude of a vessel relative to a shoreline of a port berth during berthing are calculated by at least two solar blind ultraviolet imaging modules according to light signals received by a solar blind ultraviolet light source array arranged in advance on the shore. Further, when more than three solar blind ultraviolet imaging modules are used, in the method and device of the present invention, a normalized correlation algorithm and a data fusion algorithm are used to improve the accuracy of the position and attitude data of the vessel.Type: ApplicationFiled: September 28, 2015Publication date: January 11, 2018Applicant: Nanjing University 5D Technology Co., Ltd.Inventors: Xi ZHU, Yuanyuan LI, Feng YAN, Xiang LI, Xun CAO, Weisong PAN, Jianwen DING, Jibin WANG, Jun WANG, Chen CHEN, Dapeng LI, Wei LI, Wenzhu WANG
-
Publication number: 20170351603Abstract: A method for garbage collection in a NAND flash memory system is disclosed. The method includes the steps of receiving a data request task in the NAND flash memory system; executing the data request task in the NAND flash memory system; based on the condition where the number of free data pages in the NAND flash memory system is below the first pre-determined threshold, determining whether a data block partial garbage collection list is empty; based on the condition where the data block partial garbage collection list is empty, selecting a victim block in the NAND flash memory system; and creating a plurality of data block partial garbage collection tasks.Type: ApplicationFiled: June 1, 2016Publication date: December 7, 2017Applicant: Nanjing UniversityInventors: Qi Zhang, Xuandong Li, Linzhang Wang, Tian Zhang, Yi Wang, Zili Shao
-
Publication number: 20170300410Abstract: A method for partial garbage collection in a NAND flash storage system is disclosed. The method includes receiving a real time data request task in a NAND flash storage system; executing the real time data request task in the NAND flash storage system; determining a condition whether a number of free pages in the NAND flash storage system is below a pre-determined threshold; for the condition that the number of free pages in the NAND flash storage system is below a pre-determined threshold, determining whether a partial garbage collection list is empty; for the condition that the partial garbage collection list is empty, selecting a victim block from a plurality of blocks in the NAND flash storage system; creating partial garbage collection tasks in the NAND flash storage system; and putting the partial garbage collection tasks in the partial garbage collection list.Type: ApplicationFiled: April 13, 2016Publication date: October 19, 2017Applicant: Nanjing UniversityInventors: Qi Zhang, Xuandong Li, Linzhang Wang, Tian Zhang
-
Patent number: 9772278Abstract: The present invention discloses a multi-channel aerosol scattering absorption measuring instrument, comprising a light path device, a detection device and a gas path device. The light path device supplies three different wavelengths of laser entering the detection device in sequence; the detection device is provided with photoelectric detectors at multiple angles for measurement, so as to reduce the measurement error of aerosol scattering coefficient; the gas path device comprises a sample loading unit, a calibration unit and a sample discharging unit; and a light source from the light path device and a gas flow from the gas path device enter the photoacoustic cavity of the detection device respectively and are detected by a control unit.Type: GrantFiled: June 26, 2014Date of Patent: September 26, 2017Assignee: Nanjing UniversityInventor: Yong Han
-
Patent number: 9765098Abstract: Provided in the present invention is a preparation method for a phosphonic salt, comprising the step of: reacting 3,7,11-trimethyldodec-1,4,6,10-tetraene-3-ol with triarylphosphine and an acid in an alcohol solvent at 50-100° C. to form the phosphonic salt, wherein the acid is a sulfamic acid or methanesulfonic acid, and the alcohol solvent is a straight chain monohydric alcohol containing 1-5 carbon atoms. The method is performed in nearly neutral conditions, greatly reducing the generation of impurities and greatly obtaining phosphonic salt with an increased E content. The yield of lycopene obtained by using the phosphonic salt as a raw material is high.Type: GrantFiled: December 10, 2012Date of Patent: September 19, 2017Assignees: Nanjing University of Technology, Zhejiang Medicine Co., Ltd.Inventors: Chunlei Lv, Shiqing Pi, Jianhui Chen, Dingqiang Lu, Pingkai Ouyang
-
Patent number: 9744495Abstract: Systems and methods are disclosed for removing nano-particulates from a gas. The systems may include a chamber to contain the particulate-containing gas, a source of the gas, a source of water vapor, a source of a supersonic gas, and at least one ultrasonic transducer in contact with the chamber. The chamber may also include one or more receptacles to receive the particulates. The methods may include introducing the particulate-containing gas and the water vapor into the chamber. A gas may be introduced into the chamber at supersonic speeds thereby cooling the water vapor to form nucleating ice crystals. The ultrasonic transducers may then introduce ultrasonic power into the chamber thereby causing the particulates to contact the ice crystals. The nucleating crystals, with their attached particulates, may then fall under gravity to be captured in the receptacles.Type: GrantFiled: September 10, 2012Date of Patent: August 29, 2017Assignee: Nanjing UniversityInventors: Juan Tu, Han Lin, Bin Liang