China Institute of Water Resources and Hydropower Research

International Business Machines Corporation

Beijing Xiaomi Mobile Software Co., Ltd.

University of Rochester

Boe Technology Group Co., Ltd.

Beijing Boe Display Technology Co., Ltd.

University of Science and Technology Beijing

Beijing Aitefu Water Saving Technology Co., Ltd.

Di Xu

Fuxiang Li

Meijian Bai

Yinong Li

Shaohui Zhang

Yi Yang

Hai Shan Wu

Yao Dong Qi

Kai Liu

Lan Jun Wang

Xiao Zhong

Kewei Sun

Jannick P Rolland-Thompson

Jingxuan Qi

Huanhuan Yuan

Haoheng Wang

Yao Huang

Fan Zhang

Wei Dai

Kun Lu

Dawei Zhang

Lanjun Wang

Xiaogang Li

Xiaozhe Zhang

Ling Bai

Yuan Shi

Jiandong Wang

Liangliang Ren

Xing Zhou

Qifei Chen

Lingwei Ma

Yan Mo

Qiaoling Li

Shihong Gong

Romita Chaudhuri

Xiaoyan Gao

Jinke Wang

Yanqun Zhang

Dongliang Xu

Tianru Zhang

Qunchang Liu

Caili Wu

A method for sharing an audio stream includes: in response to receiving an audio sharing request, obtaining by a first device, state information of a second device; displaying by the first device, identification information of the second device based on the state information of the second device; and in response to receiving a sharing trigger request, sending by the first device, an audio stream to be shared to the second device based on the identification information of the second device.

Method and system for sharing audio stream

Disclosed are a superhydrophobic coating with abrasion resistance and a preparation method thereof. The coating has a composite structure formed by a nanohybrid composed of nano-SiOand multi-wallet carbon nanotubes, and a resin as a matrix.

Superhydrophobic coating with abrasion resistance and preparation method thereof

Display screen with animated graphical user interface

A drip irrigation apparatus and system. The drip irrigation apparatus includes a flow channel body and an elastic body. The elastic body is mounted on the outer circumference of the flow channel body and fitted in a spontaneous state to the outer circumference of the flow channel body. The flow channel body includes an energy dissipation body. The first drainage channel is formed in the energy dissipation body, the first drainage channel is connected to both ends of the energy dissipation body. The first drainage channel is connected at both ends of the first drainage channel to the inner wall of the elastic body forming a radial drainage channel.

Drip irrigation apparatus and system

A method for acquiring a canal flow rate, comprising: measuring an actual measure value of an upstream water depth and an actual measure value of a downstream water depth of a target canal; presetting the upstream canal flow rate and surface water infiltration rate of the target canal, and respectively acquiring preset values of each; substituting the actual measured value of the upstream water depth, the preset value of the upstream canal flow rate, and the preset value of the surface water infiltration rate into Saint-Venant equations, so as to solve the equations and obtain a downstream water depth simulation value of the target canal; when the relative error between the downstream water depth simulation value and the actual measured value of the downstream water depth is less than or equal to the preset threshold value, acquiring a viable upstream canal flow rate and a viable surface water infiltration rate; otherwise, optimizing the preset value of the upstream canal flow rate and the preset value of the surface water infiltration rate, and repeating the described process until the relative error between the two is less than or equal to the preset threshold value, so as to acquire the two viable results and acquire the canal flow rate at any measurement point of the target canal.

Method for irrigating farmland

A parking management system and a parking management method are disclosed. The parking management system includes a control device and a parking space boundary indicating device. The control device is configured to acquire size information of a vehicle to be parked and information of the vacant area where no vehicle is parked in a parking lot, determine parking area information of the vehicle to be parked according to the size information and the information of the vacant area, and send the parking area information to the parking space boundary indicating device; the parking space boundary indicating device is configured to form parking space boundary lines by shedding light on a parking area according to the parking area information.

Parking management system and parking management method

A cascaded interferometric system for Fourier domain optical coherence tomography (OCT) in which the output of one sub-system interferometer is directed through a second sub-system interferometer for performing the Fourier transform in hardware.

Cascade Fourier domain optical coherence tomography

Optical coherence tomography metrology systems with two highly telecentric objective lenses wherein one or both telecentric objectives can be arranged in a pseudo-bistatic configuration. One featured telecentric objective has a large scanning field of view relevant for broadband laser scanning applications where low uncertainty measurements are desired. Another featured telecentric objective has a large image space NA relevant as a standalone microscope objective or as a probing objective for optical coordinate measurement machines.

Telecentric and broadband achromatic objective lens systems

A method of identifying a root cause in a distributed computing environment is provided including collecting metric data of a plurality of application components, collecting metric correlation relationship data, collecting topology relationship data, and collecting transaction tracking relationship data that indicates a group of the application components used to execute a requested transaction. A graph is generated including a plurality of nodes corresponding to the application components by merging the metric correlation relationship data, the topology relationship data, and the transaction tracking relationship data. The nodes of the graph are traversed in an order based on a bi-directional weight for each of a plurality of edges connecting neighboring nodes among the plurality of nodes. A recommendation list is generated including at least one abnormal application component. The recommendation includes an instruction to repair the abnormal application component acting as a system bottleneck in the distributed computing environment.

System and method for end-to-end application root cause recommendation

A system, computer program product, and method is described to manage cloud bursting from a private cloud to a public cloud. The method starts with executing one or more software components of at least one application receiving transaction requests on at least one processing node accessing at least one database server. The one processing node is managed by at least one controller in a first deployment model of a computing infrastructure. The controller, the processing nodes and the database servers each include instrumentation for tracking of performance metrics thereof. A map is created of transaction requests received by the controller to data resources in the database by analyzing the set of common structures. The map is used to identify which of the software components and corresponding data resources in the database to move a processing node in a second deployment model of a computing infrastructure.

On-demand workload management in cloud bursting

A simulation method of a surface water movement process in surface irrigation, comprising: acquiring surface relative elevation data, border surface roughness coefficient data and surface water infiltration rate data of a target border check; substituting surface relative elevation data, border surface roughness coefficient data and surface water infiltration rate data into improved full hydrodynamic equations, and performing numerical solution on improved full hydrodynamic equations to obtain a simulated surface water depth value and simulated values of vertical integral average velocities of an irrigation water flow in x-coordinate and y-coordinate directions of a certain measurement site in the target border check at a certain time; and obtaining simulated values of unit width discharge of the irrigation water flow in x-coordinate and y-coordinate directions, respectively according to simulated surface water depth value and simulated values of the vertical integral average velocities of the irrigation water flow in x-coordinate and y-coordinate directions.

Simulation method of surface water flow movement process in surface irrigation

A method for controlling surface irrigation comprising: measuring in real time surface water depths and water stream advancing durations of each of measuring points in a first half of a target farmland block, and substituting them into a surface irrigation model, to obtain initial values of soil infiltration parameters, substituting the initial values into the surface irrigation model, to obtain analog values of surface water depths of each of measuring points having water before a preset measuring point when the water stream in the first half of the target farmland block has advanced to the preset measuring point, by using the objective function that average value of the errors of the measured values that are corresponding to it is minimum, reversely solving and optimizing the soil infiltration parameters, and substituting optimized soil infiltration parameters again into the surface irrigation model, and adjusting an irrigation duration according to the prediction result.

Method for controlling surface irrigation based on surface water depth information

A method of identifying a root cause in a distributed computing environment includes traversing a plurality of nodes in a call graph starting with an end user node. Each node corresponds to an application component. A response time is calculated between connected pairs of neighboring nodes. A weight is calculated for each of a plurality of edges connecting the neighboring nodes. The nodes are traversed starting with the end user node in an order based on the weight of each of the edges. A root cause score is calculated for each node based on traversing all of the nodes in the order based on the weight of each of the edges. A ranked list is generated.

System and method for relationship based root cause recommendation

A method of operating a computer system including collecting, from the computer system, data indicative of variations in throughput and response time over a period of time, calculating processing power of the computer system over the period of time, recording a maximal power, calculating a standard deviation of the response time (RT-StdDev), recording the standard deviation of the response time corresponding to a time of the maximal power (RT-StdDevMaxPower), and generating a notification that the computer system is in a bottleneck state using a comparison of a current processing power to the maximal power and a comparison of the RT-StdDev to the RT-StdDevMaxPower.

Application abnormality detection

The present invention belongs to the technical field of irrigation and water conservancy, and discloses a method for acquiring anisotropic basin surface roughness and use thereof. The method includes: preselecting two experimental strip fields respectively parallel to length direction and width direction of a target basin, to respectively acquire first surface water flow advancing process data of the two experimental strip fields, where the target basin may be regarded as a square-shaped field; acquiring two pieces of isotropic basin surface roughness respectively by using one-dimensional complete hydrodynamic model for basin irrigation according to the surface water flow advancing process data; and substituting the isotropic basin surface roughness into an elliptic equation that anisotropic basin surface roughness satisfies, to solve anisotropic basin surface roughness of the target basin, the anisotropic basin surface roughness including basin surface roughness components parallel to and perpendicular to shallow furrows on basin surface and crop planting direction in the target basin. The anisotropic basin surface roughness can truly reflect the resistance of the basin surface against the water flow, thereby improving simulation precision of surface irrigation hydrodynamics, and acquiring more accurate irrigation performance indexes.

Method for acquiring anisotropic basin surface roughness and use thereof

Growing community of inventors

Beijing, China

Di Xu