Nuctech Company Limited

Tsinghua University

Sony Mobile Communications Ab

Sony Corporation

Other

Nokia Corporation

China Petroleum & Chemical Corporation

Research Institute of Petroleum Processing, Sinopec

Wuhu Jiahong New Material Co., Ltd.

Nuntech Company Limited

Yinong Liu

Yuanjing Li

Zhiqiang Chen

Ziran Zhao

Li Ni Zhang

Yaohong Liu

Qingjun Zhang

Kejun Kang

Wanlong Wu

Haifeng Hu

Yuxiang Xing

Qiufeng Ma

Jianping Chang

Yulan Li

Jianmin Li

Xiang Zou

Bin Sang

Hua Peng

Xuewu Wang

Jinyu Zhang

Junli Li

Xilei Luo

Yongshun Xiao

Yingkang Jin

Ge Li

Shangmin Sun

Weiping Zhu

Yanchun Wang

Biao Cao

Huishao He

Jianping Cheng

Chuanxiang Tang

Ming Ruan

Yumin Yi

Hailin Wang

Zongjun Shen

Wenjian Zhang

Shuo Cao

Guang Yang

Lan Zhang

Hu Tang

Yan Zheng

Yigang Yang

Le Tang

Yanli Deng

Yali Xie

Shiping Cao

Lili Yan

Qingping Huang

Quanwei Song

Qitian Miao

Wei Jia

Yongqiang Wang

Shuwei Li

Zhimin Zheng

Zhizhong Liang

Dong Lin

Junxiao Wang

Shaoji Mao

Liang Li

Jun Li

Mingliang Li

Yi Wang

Yi Zhang

Wei Zhang

Cong Liu

Hao Jiang

Huaibi Chen

Hongqiu Wang

Weifeng Yu

Chunguang Zong

Lei Zheng

Weibin Zhu

Weizhen Wang

Guangwei Ding

Li Feng Zhang

Tao Wang

Ming Jin Chen

Yao Zhang

Xin Jin

Hong Mei Zhang

Feng Gao

Ning Li

Hao Yu

Nan Jiang

Bin Hu

Yu He

Yangtian Zhang

Jin Ping Lin

Le Shen

Zhen Wu

Lijun Wang

Zhongxia Zhang

Dongyu Wang

Dongsheng Zhang

Yucheng Wu

Jin Cui

Zhongrong Yang

Haifan Hu

Hongwei Sun

Embodiments of the present disclosure provide a real-time calibration device, a real-time calibration method and a detection apparatus. The real-time calibration device is in fluid communication with a sample injection pipeline of the apparatus to be calibrated. The real-time calibration device is configured to release a trace amount of calibration agent molecules during a sample injection of the apparatus to be calibrated, so that the trace amount of calibration agent molecules and a sample entering the apparatus to be calibrated are mixed and together enter the apparatus to be calibrated, and information of the sample and the calibration agent is detected by the apparatus to be calibrated, thereby performing a calibration.

Real-time calibration device, real-time calibration method and detection apparatus

A sampling tube bundle includes a tube bundle body and a joint assembly. The tube bundle body includes a gas sampling tube for transmitting sampling gas; a metal woven layer wrapping an outer circumference of the gas sampling tube; a heating pad comprising a heat tracing cable wrapping an outer circumference of the metal woven layer, for heating the sampling gas in the gas sampling tube; a flame resistant tape wound around an outer circumference of the of the heating pad; a plurality of signal transmission lines circumferentially spaced apart from one another are arranged outside the flame resistant tape; and a sheath located outside the signal transmission line. The joint assembly is arranged on an end of the tube bundle body, for connecting to an analysis device or a sampling device.

Sampling tube bundle, sampling analysis device and preparation method of sampling tube bundle

The present disclosure relates to a gas purification apparatus and a trace substance detection device. The gas purification apparatus includes a first purification component, a second purification component and a switching component, wherein the switching component can be switched between a first state and a second state, the first purification component and a component to be purified form a gas purification loop in the first state, and the second purification component can provide a regeneration gas for the first purification component in the second state, so that water vapor and impurities in the first purification component are discharged to outside. In the gas purification apparatus, the filtered air is used as the regeneration gas to prevent secondary pollution in a recycling process of the purificant; furthermore, by means of the state switching function of the switching component, the mutual interference between the two working states of purification and regeneration can be prevented, and all the above advantages can improve the reliability of the recycling of the purificant, thereby optimizing the performance and the service life of the gas purification apparatus.

Decomposition method and apparatus based on basis material combination

There are provided an ion mobility spectrometer and a sniffer. The ion mobility spectrometer includes: an ion migration tube; a sampling gas path having a sampling device configured to temporarily store a sample gas collected by a sampling head in a sampling pipe; a sample introduction gas path having two ends in communication with the gas inlet and outlet of the ion migration tube respectively, and configured to introduce a carrier gas within the ion migration tube into the sampling pipe and to carry a sample gas temporarily stored in the sampling pipe into the ion migration tube; and a valve assembly configured to only allow gas to flow from the sampling device to the sampling pipe in a sampling state, and to only allow gas to flow from the ion migration tube through the sampling pipe back to the ion migration tube in a sample introduction state.

Pulsed sampling-based ion mobility spectrometer and sniffer

The present disclosure provides a trace detection device. The trace detection device includes: a box body comprising a main body frame and a top plate, the top plate and the main body frame forming a fully enclosed cavity; an ion migration tube assembly in the cavity and on a first side of the cavity; and a preamplifier and high voltage circuit board in the cavity and on a second side of the cavity, the second side being opposite to the first side.

Trace detection device

The present disclosure provides a gate system for sample detection and a method of sample inspection, which relate to the field of detection and analysis technology. The gate system comprises: an accommodating apparatus configured to accommodate an inserted ticket to be detected; a wipe sampling apparatus including a wipe sampling belt which is configured to drive the ticket to be detected to move within the accommodating apparatus and to conduct a wipe sampling to the ticket; an inspiratory sampling apparatus configured to collect samples dropped from the wipe sampling apparatus; and a detection apparatus configured to detect the samples and output detection results. The gate system for sample detection and the method of sample inspection provided by the present disclosure have a wide range of applications and can perform rapid sampling and detection to those substances that are difficult to be volatilized.

Gate system for sample detection and method of sample inspection

Embodiments of the present disclosure provide a gas purifying device and an ion migration spectrometer. The gas purifying device includes a first purificant vessel, a second purificant vessel and a valve communicated between the first purificant vessel and the second purificant vessel. The valve is configured to allow a gas flows from the second purificant vessel to the first purificant vessel in a first state and to permit the gas to flow from the first purificant vessel to the second purificant vessel in a second state.

Gas purifying device and ion migration spectrometer

A gradient copolymer comprises or consists of n polymer components. The n polymer components each independently represents an addition polymer of a monomer of the formula (I), and/or a mixture thereof, orthe n polymer components each independently comprises or consists essential of one or more structural units represented by the formula (I-1),  The symbol n represents an integer within the closed interval [5, &#x221e;]. The average side chain carbon number of the i-th polymer component as determined according to the nuclear magnetic resonance method is expressed as X, with the symbol i representing an arbitrary integer from 1 to n, the relationship X&#x3c;X&#x3c; . . . &#x3c;X&#x3c;Xholds.

Gradient copolymer, its production and application thereof

A gas chromatography-ion mobility spectrometry detector and a hyphenated apparatus, the gas chromatography-ion mobility spectrometry detector comprises a gas chromatography mechanism and an ion mobility spectrometry mechanism. The gas chromatography mechanism comprises a chromatographic column and a sample injection port. The ion mobility spectrometry mechanism comprises a mobility tube and a connecting body, while a metal connection plate of the connecting body comprises a chromatographic metal plate, an ion mobility metal plate and a semipermeable membrane; on the ion mobility metal plate there are provided an ion mobility sample and carrier gas inlet, an ion mobility sample chamber and a sample injection port; the chromatography sample chamber and the ion mobility sample chamber are separated by semipermeable membrane.

Gas chromatography-ion mobility spectrometry detector and gas chromatograph-ion mobility spectrometer

An image processing method, comprising: acquiring, by a CT scanning system, projection data of an object; and processing, by using a convolutional neural network, the projection data, to acquire an estimated image of the object. The convolutional neural network comprises: a projection domain network for processing input projection data to obtain estimated projection data; an analytical reconstruction network layer for performing analytical reconstruction to obtain a reconstructed image; an image domain network for processing the reconstructed image to obtain an estimated image, a projection layer for performing a projection operation by using a system projection matrix of the CT scanning system, to obtain a projection result of the estimated image; and a statistical model layer for determining consistency among the input projection data, the estimated projection data, and the projection result of the estimated image based on a statistical model.

Image processing method using convolutional neural network, image processing device and storage medium

An imaging device and an imaging method by millimeter wave 3D holographic scanning are disclosed. In an embodiment, the millimeter wave 3D holographic scanning imaging device may include: a conveying apparatus configured to convey an object located thereon in a first direction; and at least one millimeter wave transceiving module arranged beside the conveying apparatus, each configured to be enabled to scan the object when the conveying apparatus conveys the object through the respective millimeter wave transceiving module, wherein each millimeter wave transceiving module is arranged to have its longitudinal direction extend in a direction intersecting the first direction, and includes a millimeter wave transceiving antenna array for transceiving millimeter wave signals.

Imaging devices and imaging methods by millimeter wave 3D holographic scanning

The present disclosure provides a device for collecting semi-volatile or non-volatile substance, including an air nozzle, a front cavity and a collecting body. The air nozzle is configured to eject air to a sample attachment surface. The front cavity has an upper port. The collecting body is sealingly connected to a lower end of the front cavity, inside of which is provided with a cylindrical cavity and a conical cavity arranged vertically coaxially, and bottom of which is provided with a sample outlet. The collecting body is provided with an air intake passage which is non-coplanar with respect to an axis of the cylindrical cavity and is disposed obliquely downward and inward. The collecting body is further provided with an air exhaust passage one end of which is a discharge port connected to the interior of the cylindrical cavity, the other end is connected to an air pump.

Device for collecting semi-volatile or non-volatile substrate

A mold and a method of manufacturing GOS ceramic scintillator by using the mold are provided. The mold comprises: a female outer sleeve having a cavity disposed inside; a plurality of female blocks disposed inside the cavity, the plurality of female blocks being put together to form a composite structure having a vertical through hole; and a male upper pressing head and a male lower pressing head, wherein each of the male upper pressing head and the male lower pressing head has a shape consistent with that of the vertical through hole. The disclosure may reduce defects of the related art in hot-pressing-sintering such as a mold has a short retirement period and a high material waste, significantly reduce the cost for production of the GOS ceramic scintillator, and significantly improve a process economy.

Mold and method of manufacturing GOS ceramic scintillator using the same

An electromagnetic wave imaging system and a method of correcting an antenna array signal are disclosed. In an example, the electromagnetic wave imaging system may include an antenna array, configured to receive electromagnetic wave from a target object and convert the electromagnetic wave into an electrical signal; a signal processing unit, configured to process the electrical signal to obtain an image of the target object; and a distance measuring device, configured to measure a distance of the target object from the antenna array, wherein the signal processing unit corrects the electrical signal based at least in part on the measured distance.

Electromagnetic wave imaging system and antenna array signal correction method

A detection apparatus and a detection method are disclosed. In one aspect, the detection apparatus includes a sampling device for collecting samples to be checked. It further includes a sample pre-processing device configured to pre-process the sample from the sampling device. It further includes a sample analyzing device for separating samples from the pre-processing device and for analyzing the separated samples. The detection apparatus is miniaturized and highly precise, and is capable of quickly and accurately detecting gaseous phase or particulate substances, and it has applications for safety inspections at airports, ports, and subway stations.

Detection apparatus and detection method

Growing community of inventors

Beijing, China

Yinong Liu