Petrochina Company Limited

Huawei Technologies Co., Limited

Beijing Baidu Netcom Science and Technology Co., Ltd.

Honor Device Co., Ltd.

China Academy of Telecommunications Technology

Institute of Chemistry, Chinese Academic of Sciences

Ruifeng Li

Famin Sun

Fan Yang

Yan Wang

Hui Li

Bangshi Yin

Jiuliang Gao

Jianhong Luo

Wencheng Zhang

Tao Wang

Chunmei Yu

Xianjun Wu

Jintao Guo

Xiulan Liu

Guojia Zhang

Quanguo Zhang

Wenyong Liu

Xiaodong Yang

Yanfeng Liu

Sheng Hu

Xinmiao Wang

Shanbin Gao

Bin Xie

Lili Jiang

Tan Zhao

Rui Li

Cheng Tang

Jian Yu

Ming Xu

Ying Liu

Jun Zhang

Rui Wang

Lu Bai

Jin Wu

Xin Xie

Chenlong Li

Rui Shi

Zhiqiang Liu

Lei Yuan

Xiaojiao Li

Xiaoyu Zhang

Hongling Chu

Xing Dai

Jian Xie

Zhuo Sun

Tiegang Xu

Chunming Dong

Shoutao Ma

Jinming Zhang

Shengbo Sun

Zhihua Zhang

Fengxuan Li

Hong Li

Ronglei Ji

Yugang Gao

Jinjiang Qiu

Lihong Qin

Wenshuo Zhang

Xiangbin Meng

Yuezhen Qi

Xuefeng Lu

Qinglin Qin

Shurong Ni

Endong Xia

Liying Liu

Xiaofeng Wang

Xiaoqiao Huang

Yuanyuan Ji

Lipeng Qi

Ran Sun

Yuxiao Feng

Qingfeng Ma

Fangming Xie

Yongsheng Duan

Jinxian Jiang

Yuhe Yang

Dongqing Wang

Dongmei Ge

Jingying Zhao

A method and an apparatus for recognizing a key identifier in a video, a device and a storage medium are disclosed. The method includes: extracting a plurality of key frames from the video; generating a mask of the key identifier by using a difference between the plurality of key frames; determining, in video frames of the video, a key identifier area image by using the mask; and recognizing the key identifier area image to obtain a key identifier category included in the video.

Method and apparatus for recognizing key identifier in video, device and storage medium

A filter debugging method, a device, an electronic apparatus and a readable storage medium are provided. The filter debugging method includes: step S: inputting a current hole parameter and a current index value of a filter into a policy network which is pre-trained; step S: determining, by the policy network, a target hole to be polished of the filter, according to the current hole parameter and the current index value of the filter; step S: controlling a mechanical arm to polish the target hole of the filter; and step S: determining whether the filter is qualified according to an index value of the polished filter; in a case that the filter is qualified, ending a process including the steps Sto S; in a case that the filter is unqualified, performing the steps Sto Scircularly until the filter is qualified.

Filter debugging method, device, electronic apparatus and readable storage medium

This application discloses an infrared light transmit apparatus and a mobile terminal in which the infrared light transmit apparatus is applied. The infrared light transmit apparatus includes an infrared light transmitter and a light cover, where the light cover includes a fixing post and a positioning station that are connected to each other; the fixing post includes a light-in surface and a light-out surface that are disposed opposite to each other and includes a side surface connecting the light-in surface and the light-out surface, the light-in surface is connected to the positioning station, the light-out surface is away from the positioning station, and the side surface is configured to fit a housing of the mobile terminal, so that the light cover is fastened to the housing; and a light concentration surface is formed on a side that is of the positioning station and that is away from the fixing post, the light concentration surface includes a concave curved surface, the light concentration surface faces towards the infrared light transmitter to receive infrared light transmitted by the infrared light transmitter.

Infrared light transmit apparatus and mobile terminal

A terminal device includes a screen, a first camera, and a movement mechanism. The first camera is disposed on a movable component of the movement mechanism, the movement mechanism is disposed on the back of the screen, and the movable component is configured to drive the first camera to move from the back of the screen to a position at which the first camera can be seen from in front of the terminal device.

Terminal device

Provided are a liquid-phase hydroisomerization system and a process therefor and use thereof. The system comprises a gas-liquid mixer (), a hydroisomerization reactor () and a fractionating column (). An oil product and hydrogen are mixed as a liquid hydrogen-oil mixture, and are introduced into the hydroisomerization reactor for a hydroisomerization reaction, and after being fractionated, a target product is led out. A supplemental hydrogen-dissolving inner member is provided at least between a group of two adjacent catalyst bed layers in order to supplement hydrogen to the reactants. The process cancels a circulating hydrogen compressor, has a simple process flow, and can be applied to the production of a lubricant base oil by the hydroisomerization of a lubricant raw material or the production of a low freezing point diesel by the hydroisomerization of and the reduction in the freezing point of a diesel raw material.

Liquid-phase hydroisomerization system and process therefor and use thereof

A terminal device, including a screen, a first camera, and a movement mechanism, where the first camera is disposed on a movable component of the movement mechanism, the movement mechanism is disposed on the back of the screen, and the movable component is configured to drive the first camera to move from the back of the screen to a position at which the first camera can be seen from in front of the terminal device.

The present invention relates to a method for preparing a sulfur-resistant catalyst for aromatics saturated hydrogenation, comprising the steps of: preparing noble metal impregnation solutions from a noble metal and deionized water or an acid solution; impregnating a carrier with the impregnation solutions sequentially from high to low concentrations by incipient impregnation; homogenizing, drying, and calcinating to obtain the sulfur-resistant catalyst for aromatics saturated hydrogenation. The catalyst for aromatics saturated hydrogenation prepared by the method according to the present invention is primarily used in processing low-sulfur and high-aromatics light distillate, middle distillate, atmospheric gas oil, and vacuum gas oil. The method according to the present invention is advantageous in that the catalyst for aromatics saturated hydrogenation exhibits good hydrofining performance, superior aromatics saturation performance, high liquid yield of products, as well as excellent desulfurization and sulfur-resistance, and the catalyst has remarkable effects in use and a great prospect of application.

Sulfur-resistant catalyst for aromatics saturated hydrogenation and preparation method thereof

Disclosed are a method for preparing a noble metal hydrogenation catalyst comprising preparing a carrier from a molecular sieve having a 10-member ring structure and/or an amorphous porous material; preparing a noble metal impregnation solution; and preparing noble metal impregnation solutions in a concentration gradient ranging from 0.05 to 5.0 wt % with deionized water, and sequentially impregnating the carrier with the impregnation solutions from low to high concentrations during the carrier impregnation process, or preparing a noble metal impregnation solution at a low concentration ranging from 0.05 to 0.5 wt % and impregnating the carrier by gradually increasing the concentration of the noble metal impregnation solution to 2.0 to 5.0 wt % in the impregnation process, followed by homogenization, drying, and calcination, as well as a noble metal hydrogenation catalyst, use thereof, and a method for preparing lubricant base oil.

Method for preparing noble metal hydrogenation catalyst, noble metal hydrogenation catalyst and use thereof

This invention relates to a regenerated cellulose film, a functional film and preparation method thereof. The method mainly comprises the following steps: (1) shaping a cellulose/ionic liquid solution by die extrusion, calendering and casting; (2) the shaped solution entering into a coagulation bath to form a cellulose gel film; (3) in coagulation and washing processes, stretching the cellulose gel film at least 1 time in the transverse direction and at least 1 time in the longitudinal direction; (4) in drying process, further applying tension to the stretched film in the transverse and longitudinal directions, and finally obtaining a regenerated cellulose film by rolling. An organic and/or an inorganic functional additive can be added into the cellulose/ionic liquid solution to obtain a regenerated cellulose functional film. The regenerated cellulose film and the functional film thereof obtained by the above method have well-balanced and relative high longitudinal and transverse tensile strengths, as well as good flatness.

Regenerated cellulose film, functional film and preparation method therefor

A channel estimation method including: a channel estimation device employs a two-dimensional channel estimation method and utilizes the channel estimate of an original pilot frequency to conduct channel estimation on an encrypted pilot frequency, so as to obtain the channel estimate of the encrypted pilot frequency; the channel estimation device employs a one-dimensional channel estimation method and utilizes the channel estimate of the encrypted pilot frequency to conduct channel estimation on all resources, so as to obtain the channel estimates on all resources.

Channel estimation method and device

Growing community of inventors

Beijing, China

Ruifeng Li