Shandong University

China University of Petroleum

Neusoft Corporation

Qingdao Daneng Environmental Protection Equipment Co., Ltd.

Qingda Low Carbon Green Hydrogen Industrial Technology Research Institute (qingdao) Co., Ltd.

Shandong Xinchuang Biotechnology Co., Ltd.

Geo-science Research Institute of Shengli Oil Field Co. Ltd. of Sinopec

Qingdao Haitai Energy Science and Technology Research Institute

Shihuida Pharmaceutical Group (jilin) Co., Ltd.

Shandong Xinchuang Biological Technology Co., Ltd

Yong Wang

Guancheng Jiang

Lili Yang

Yinbo He

Chong Liu

Lin Cheng

Deli Gao

Haifang Sun

Chunyuan Ma

Jingcai Chang

Yongqing Zhang

Zhaohui Wang

Qingying Ge

Jingdong Hu

Bin Han

Meiyan Li

Shusheng Li

Yang Li

Xi Wang

Yong Qin

Fan Liu

Chunyao Peng

Zhaomin Li

Chao Zhang

Guangchang Ma

Peng Wang

Rui Wang

Songyan Li

Chen Liu

Jiahao Zhang

Shouya Wu

Lianhai Zhang

Xu Tian

Linghui Xi

Xiaoshan Lu

Haibo Su

Hong Meng

Guangzhong Lv

Shouyu Wang

Lan Tian

Yahui Huang

Lianlian Li

Hui Sun

Lichao Xing

Guangxia Deng

Meijia Wang

Jinglan Hong

Zhe Wang

Tao Huang

Xinhao Sun

Hongyu Li

Chunyang Hu

Jialin Wang

Bingying Xia

Feng Zhou

Guangzhi Li

Gang Cui

Yongyi Zhou

Duanping Wang

Yanqiu Xing

Wentao Zou

Xiantai Liu

Shuling Sui

Kunlun Wang

Shiming Zhang

Yajuan Dong

Yanhu Chen

Yong Song

Bin Cao

Xiaojie Liang

Yanhui Liu

Ranran Zhou

Chenxin Jia

Dongxia Yang

Xueda Li

Yaping Li

Laitian Xing

Yusong Li

Xuezheng Huang

Mingqian Wei

Juanjuan Sun

Shili Shao

Yuxia Gao

Yuanyuan Liu

Wenhua Zhang

Hong Zhu

Rong Zhang

Shengbiao Jiang

Jiahui Zheng

Ting Han

Shaopeng Wang

Xinglu Xu

Xiaonan Li

Dan Wang

The present invention discloses a method for improving the anti-friction and anti-wear properties of substrate, and relates to the technical field of friction and wear. The method of present invention is to firstly clad alloy powder on the surface of substrate to form the cladding layer, and then perform the texturing and sulfurization treatment in sequence on the cladding layer to form a textured and ion-sulfurized cladding layer with anti-friction and anti-wear properties on the surface of substrate, so as to improve anti-friction and anti-wear properties of the substrate, and to increase efficiency as well as service life of the substrate.

Method for improving anti-friction and anti-wear properties of substrate

A coincidence technique-based X-ray detection device and composition analysis method are provided, wherein the X-ray detection device includes: a sample holding device; an excitation unit for outputting X-rays with continuously adjustable energy; detectors comprising two SiC semiconductor detectors and two SiPIN semiconductor detectors; a signal processing unit for performing amplification, analog-to-digital conversion and classification on the detected signals to obtain energy information; a data processing device connected to the signal processing unit and used for analysis and calculation according to the energy information and determining element type and content of the sample to be tested, wherein the data processing device comprises a processor and a memory, the processor is used for executing following program modules stored in the memory: a storage module, a baseline recovery module, a calibration curve construction module, an extraction module, an effective energy information determination module, and a peak comparison module.

Coincidence technique-based x-ray detection device and composition analysis method

A system and method deliver fluidized powder based on flue gas carrying waste slag and instant cooling steel slag. A first flue gas pipeline receives pressurized CO-rich flue gas and in fluid communication with a fluidization air pipeline, a pressurization air pipeline and a supplementary air pipeline respectively and through them enters an upper discharge bin; a second flue gas pipeline receives the pressurized CO-rich flue gas and in fluid communication with a gas-gas mixer, a dense phase discharge guide pipe first end extends into the upper discharge bin and receives high-pressure dense phase gas-powder flow of CO-rich flue gas, and a dense phase discharge guide pipe second end is connected to the gas-gas mixer; a variable-pitch twin screw sealed conveyor discharge end extends into an upper discharge bin internal space, and is provided with an upwardly inclined gas-blocking segment.

System and method for delivering fluidized powder based on flue gas carrying waste slag and instant cooling steel slag

Provided is a carbon dioxide fluidity control device comprising, a sample preparation tank, a high-pressure stirring unit, a reciprocating plunger pump and a booster pump, wherein the stirring unit comprises one or more high-pressure stirring tanks, each provided with an atomizing spray probe and a piston, wherein a discharge port of the sample preparation tank is connected to the atomizing spray probe via a plunger pump, which is connected to the piston to push the piston to reciprocate; the booster pump is connected to the high-pressure stirring tanks to provide supercritical carbon dioxide to the high-pressure stirring tank; and a discharge port of the high-pressure stirring tanks is connected to an oilfield well group. Provided is a carbon dioxide fluidity control method using the device, comprising mixing surfactants and nanoparticles with heated carbon dioxide, and injecting a microemulsion of supercritical carbon dioxide and nano-silicon dioxide into an oilfield well group.

Carbon dioxide fluidity control device and method

A heat flux sensor, comprising: a ceramic heat sink; a sensitive element made of a single-crystal material and fixed to the ceramic heat sink through a thermally conductive and electrically insulative adhesive; a heat absorption layer arranged on an upper surface of the sensitive element; a first metal electrode and a second metal electrode arranged on the upper surface of the sensitive element; a third metal electrode arranged on the upper surface of the sensitive element; a fourth metal electrode arranged on a lower surface of the sensitive element; and a fifth metal electrode arranged on an upper surface of the ceramic heat sink; wherein a voltage signal between the first metal electrode and the second metal element is a transverse voltage U, and a voltage signal between the third metal electrode and the fourth metal electrode is a longitudinal voltage U. The heat flux sensor application can be used for the measurements of transient-state and steady-state heat flux, and has dual-mode outputs of transverse and longitudinal thermoelectric voltage signals.

Heat flux sensor

A parallel analog circuit automatic optimization method based on genetic algorithm and machine learning comprises global optimization based on genetic algorithm and local optimization based on machine learning, with the global optimization and the local optimization performed alternately. The global optimization based on genetic algorithm utilizes parallel SPICE simulations to improve the optimization efficiency while guaranteeing the optimization accuracy, combined with parallel computing. The local optimization based on machine learning establishes a machine learning model near the global optimal point obtained by the global optimization, and uses the machine learning model to replace the SPICE simulator, thus reducing the time costs brought by a large number of simulations.

Parallel analog circuit optimization method based on genetic algorithm and machine learning

The present invention belongs to the technical field of metallurgical solid waste resource utilization, and particularly relates to acidification and carbonization coupling modified steel slag as well as a preparation process and an application thereof. The process specifically includes the following steps of adopting acetic acid, tributyl phosphate, ethanolamine and a NaOH and Ca(OH)emulsion as reaction reinforcing agents, and modifying the steel slag together with CO-rich lime kiln flue gas. The process for modifying the steel slag through acidification and carbonization coupling provided in the present invention has the advantages of simple reaction conditions and no need of high-pressure CO, additionally, the carbonation reaction rate can be greatly increased, and f-CaO and f-MgO in the steel slag can be effectively eliminated.

Process for modifying steel slag through acidification and carbonization coupling

A cochlea electrode arrangement, system and method for enhancing musical melody perception. On each cochlear basilar membrane, according to the characteristic frequency correspondence of music notes, a phonosensitive full spectrum band corresponding to the cochlea apex to cochlea base is divided into musical response areas in response to specific musical note stimulating signals; a corresponding electrode for conducting or sensing frequency band signals is placed in each musical response area, namely, each electrode is placed in the corresponding characteristic frequency band where the music notes are located, the electrodes are divided into two groups, and a corresponding group of electrodes is implanted into cochleae on two sides respectively. Due to the fact that the electrodes are arranged in the cochleae on the two sides, the cochlea electrode arrangement is easy to implement, and the electrodes arranged in the cochleae on the two sides can perceive music better.

Cochlea electrode arrangement, device, system and method for enhancing musical melody perception

It discloses a technical solution of the present disclosure partitions a high-speed data code stream into a plurality of sequentially arranged data blocks so as to write the data blocks sequentially to a circular cache. The circular cache is comprised of N cache segments that share a write pointer, each cache segment owning an independent read pointer. The data blocks are sequentially written into the N cache segments; data will be continuously written to the 1cache segment; data will be read from the cache segment at a relatively low rate and written to a corresponding SD card, thereby implementing data speed reduction; a controller will integrate the disordered data into a same SD card following the original arrangement order, thereby completing all data storage work.

SD card-based high-speed data storage method

The invention relates to a multi-component composite sulfide solid lubricating film prepared by sulfurizing the surface of a high-entropy alloy. The high-entropy alloy is composed of five metal elements of Co, Cr, Fe, Ni and Mo or six metal elements of Co, Cr, Fe, Ni, Mo and W. The multi-component composite sulfide solid lubricating film of the invention is mainly applied to the friction pair surface of mechanical equipment, the lubricating film and the sulfurized base have high bonding strength, and multi-component composite sulfide solid lubricating films containing different sulfide lubricating phases can be chose and prepared according to the service environment of equipment.

Preparation method and application of the multicomponent composite sulfides lubricant film

Application of Derivatives of, especially in the application of Derivatives ofMW-DCG-HNCv-18 in preparation of medicines for treating non-small cell lung carcinoma. It also discloses a medicine combining the Derivatives ofMW-DCG-HNCv-18 strain with Docetaxel as the active ingredients. According to the invention, the MW-DCG-HNCv-18 strain is found to have specific inhibition effect on non-small cell lung carcinoma for the first time, the inhibition effect on the non-small cell lung carcinoma is significantly superior to that of other known similar strains, and through screening, the MW-DCG-HNCv-18 strain is found to have more prominent inhibition effect on non-small cell lung carcinoma when combined with Docetaxel injection.

Application of derivative of clostridium ghonii

The present invention relates to the well drilling field in petroleum industry, in particular to a drilling fluid additive composition suitable for coal-bed gas wells, and a water-based drilling fluid and use of the water-based drilling fluid. The drilling fluid additive composition suitable for coal-bed gas wells, comprising a tackifying and shear improver, a capsulating agent, a filtrate reducer, and an amphiphobic wettability reversal agent, wherein, the tackifying and shear improver is a copolymer comprising structural units represented by formula (1), structural units represented by formula (2), and structural units represented by formula (3); the capsulating agent is a comb-like polysaccharide compound; the filtrate reducer is nanocrystalline cellulose, and the amphiphobic wettability reversal agent is a dual-cation fluorocarbon surfactant. The composition provided in the present invention can be used as an additive in a solid-free brine drilling fluid, so that the brine drilling fluid obtains advantages of a high penetration rate and a low residue rate. 

Drilling fluid additive composition suitable for coal-bed gas wells, and water-based drilling fluid and use thereof

The present invention relates to the well drilling field in petroleum industry, in particular to a drilling fluid additive composition and a water-based drilling fluid suitable for high pressure plugging while drilling. The composition contains a bridging agent, a nano-plugging agent, a rheological modifier, a bionic wall bracing agent, and a bionic shale inhibitor, wherein, the bridging agent is a weak-crosslinked copolymer, in which the content of cross-linker structures is 0.1-1 wt. %; the nano-plugging agent is modified nanometer silicon dioxide particles; the rheological modifier is a dimer acid-organic amine copolymer; and the bionic wall bracing agent is carboxymethyl chitosan with a dopamine-derived base group grafted on its main chain. With a synergistic effect among the bridging agent, the nano-plugging agent, the rheological modifier, the bionic wall bracing agent, and the bionic shale inhibitor in the composition provided in the present invention, the water-based drilling fluid containing the composition as additive can attains an excellent plugging effect in a drilling process.

Drilling fluid additive composition and water-based drilling fluid suitable for high-pressure plugging

An event detection method in a distributed environment includes, when a non-parsable event occurred during grammar parsing, executing the following process until the first grammar parser module obtains a detection result, including the event that the current grammar parser module can not parse in a scheduling request as a next event to be detected and sending it to the grammar control module, scheduling, by the grammar control module, other grammar parser module as the target grammar parser module for further parsing based on the scheduling strategy table, performing grammar parsing based on the local parsing table in the scheduled target grammar parser module, returning parsing results to the grammar control module for further parsing when no non-parsable event is found; or repeating the above process with the target grammar parser module as a new current grammar parser module when an non-parsable event is found.

Event detection method and apparatus in a distributed environment

A numerical simulation method for characterizing fluid channeling along large-aperture fractures of reservoirs relates to the field of petroleum reservoir development research and computational fluid dynamics. The conventional method can not effectively represent the rapid fluid channeling along large-aperture fractures. Aiming at solving the above technical problem, an advanced method is provided in the present invention. In the invented method, the geometric similarity and hydraulic similarity treatments of large-aperture fractures can be made simultaneously, moreover, the traditional numerical simulation software was improved to be an unstructured grid simulator. Therefore, the method of the present invention can effectively simulate the rapid fluid channeling along large-aperture fractures, consequently it can ensure the reliability of the simulation results and provide reasonable reference for the adjustment and optimization of oil field development plans. The present invention is simple in principle and easy to use, thus it has a great value of application and popularization.

Numerical simulation method for characterizing fluid channelling along large-aperture fractures of reservoirs

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Jinan, China

Yong Wang