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Articles 1951 - 1980 of 9414

Full-Text Articles in Sustainability

Research Status And Development Trend Of Near-Bit Mwd In Underground Coal Mine, Hao Shijun, Chu Zhiwei, Li Quanxin, Fang Jun, Chen Long, Liu Jianlin Sep 2023

Research Status And Development Trend Of Near-Bit Mwd In Underground Coal Mine, Hao Shijun, Chu Zhiwei, Li Quanxin, Fang Jun, Chen Long, Liu Jianlin

Coal Geology & Exploration

Near-bit meusurement while drilling (MWD) integrates several key technologies such as near-bit multi-parameter measurement, power supply and communication across positive displacement motor drills, turbine continuous power generation and high-speed mud pulse wireless transmission, capable of obtaining various types of parameters near the bit. It is one of the key components of intelligent drilling technology in underground coal mine. Herein, the limitation of the existing technology applied in coal mine was analyzed with full reference to the development experience and development path of near-bit MWD in the field of surface oil and gas drilling. Meanwhile, the research idea of near-bit MWD …

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Continuous And Discontinuous Numerical Simulation Of The Rock Breaking Process Of Pdc Drill Bit Under Composite Impact, Qin Chengshuai, Sun Hongbin, Li Liping, Liu Xuegang, Liu Zhihui, Feng Chun, Sun Zizheng Sep 2023

Continuous And Discontinuous Numerical Simulation Of The Rock Breaking Process Of Pdc Drill Bit Under Composite Impact, Qin Chengshuai, Sun Hongbin, Li Liping, Liu Xuegang, Liu Zhihui, Feng Chun, Sun Zizheng

Coal Geology & Exploration

Composite impact drilling is a novel rock-breaking technique that combines both axial and torsional impacts. To address the issues of complex failure mechanisms and unclear rock-breaking mechanisms under the axial-torsional impacts on rock by Polycrystalline Diamond Compact (PDC) drill bits, a FEM-DEM rock model based on shared nodes was established using the Continuous Discontinuous Element Method (CDEM), and the rationality of this computational model was verified through laboratory uniaxial compression experiments. Besides, a composite impact motion model for single drill bit was built through the secondary development of JavaScript, and the composite impact rock-breaking process of single PDC drill bit …

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Application Of Intelligent Direct Push Measurement While Drilling Device For Environmental Geological Surveys, Sun Pinghe, Zhou Shengwei, Cao Han, Gao Qiang, Cheng Gongbi, Zhang Hui Sep 2023

Application Of Intelligent Direct Push Measurement While Drilling Device For Environmental Geological Surveys, Sun Pinghe, Zhou Shengwei, Cao Han, Gao Qiang, Cheng Gongbi, Zhang Hui

Coal Geology & Exploration

In order to solve the technical challenges of inaccuracy and poor credibility of contaminant survey results due to the low accuracy of drilling trajectories in environmental geological surveys, the structural and functional characteristics of the existing direct-push drilling tools were analyzed. On this basis, the method of near-bit measurement while drilling using single-action combination was proposed. An intelligent measurement-while-drilling (MWD) device was developed, a laboratory platform monitoring module was established, a set of monitoring software was developed, and the stability and reliability of the intelligent MWD device was analysed. Then, verification tests have been carried out on the laboratory platforms …

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Wear Law And Design Of Assembling Diamond Bit Based On Finite Element Analysis, Yang Zhan, Tan Songcheng, Yang Kaihua, Fang Xiaohong Sep 2023

Wear Law And Design Of Assembling Diamond Bit Based On Finite Element Analysis, Yang Zhan, Tan Songcheng, Yang Kaihua, Fang Xiaohong

Coal Geology & Exploration

In addition to coring drilling, full (non-coring) drilling also occupies a large proportion in the energy exploration and development. Non-coring drilling can reduce the high time cost of lifting and lowering work required for coring, thereby increasing the net drilling time, improving the drilling efficiency and reducing the drilling costs. The traditional non-coring drill bits are prone to uneven wear on the bit surface during the drilling process. To identify and improve this law of uneven wear, it was herein proposed to use the assembling non-coring bit to improve the eccentric wear of bit. For this reason, numerical simulation analysis …

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Table Of Contents, The Editors Sep 2023

Table Of Contents, The Editors

Coal Geology & Exploration

No abstract provided.

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Attenuation Model And Law Of High-Frequency Drilling Fluid Pressure Wave, Zhou Botao, Su Yinao, Wang Jiajin Sep 2023

Attenuation Model And Law Of High-Frequency Drilling Fluid Pressure Wave, Zhou Botao, Su Yinao, Wang Jiajin

Coal Geology & Exploration

The technology of transmitting high-frequency drilling fluid pressure wave information with high transmission rate. It is also one of the key technologies to achieve the automated and intelligent drilling. However, the field application of this technology is hindered by the substantial attenuation experienced by high-frequency drilling fluid pressure waves during the transmission process. Thus, exploring the attenuation characteristics of these waves is crucial for the development of high-speed transmission technology. Herein, it is assumed that the drilling fluid pressure is equivalent on the same section of drill string, and the flow rate of drilling fluid is radially distributed. On this …

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Magnetic Beacon-Based Horizontal Directional Drilling Guidance Technology, Zu Yutong, Wang Lu, Gong Da, Hu Yuanbiao Sep 2023

Magnetic Beacon-Based Horizontal Directional Drilling Guidance Technology, Zu Yutong, Wang Lu, Gong Da, Hu Yuanbiao

Coal Geology & Exploration

In order to solve the problems of existing horizontal directional drilling (HDD) guidance methods, including low measurement accuracy, shallow positioning distance, discontinuous measurement data and great interference by magnetic field, a magnetic beacon-based horizontal directional drilling guidance and positioning method was proposed to achieve the position and attitude measurement of HDD. Meanwhile, a measurement array based on the third-order magnetic gradient tensor was designed, which verifies through simulation that the method could eliminate the influence of the geomagnetic fields and achieve the position measurement. In order to improve the attitude measurement accuracy, the multisource data fusion was performed with MEMS …

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Analysis On Motor Output Characteristics And Influencing Factors Of Oscillating Valve Mud Pulser, Qu Hanwu, Shang Jie, Lu Huatao, Wang Zhiming, Chen Kun Sep 2023

Analysis On Motor Output Characteristics And Influencing Factors Of Oscillating Valve Mud Pulser, Qu Hanwu, Shang Jie, Lu Huatao, Wang Zhiming, Chen Kun

Coal Geology & Exploration

The oscillating valve pulser is a better choice for high-speed mud pulse transmission due to its capability of generating a higher frequency carrier. Great difficulties are brought to the research on the motor output characteristics due to the complex load moment and its numerous influencing factors during the operation. Using the dynamic balance equation for the motor operating in underground coal mine, the position angle and output current data of the oscillating valve motor under the Max Torque per Ampere (MTPA) control mode were obtained by measurement in the water cycle experiment. Then, the output torque and output power of …

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Architecture Of Intelligent Service Platform For Drilling Based On Digital Twin, Jiang Jie, Huo Yuxiang, Zhang Haoxi, Yang Lanying, Tang Zhong, Li Qian Sep 2023

Architecture Of Intelligent Service Platform For Drilling Based On Digital Twin, Jiang Jie, Huo Yuxiang, Zhang Haoxi, Yang Lanying, Tang Zhong, Li Qian

Coal Geology & Exploration

In view of the situation of unknown, complex and variable drilling objects and frequent drilling accidents during the geological drilling, a digital twin model system of geological drilling based on time series data was built with the digital twin technology, so as to meet the actual requirements of prediction while drilling, condition identification, drilling rate optimization and others. The monitored data of ground equipment, measurement-while-drilling and drilling process were decomposed into prior data, real-time data, delayed data and late data according to the time series. On this basis, these multi-source heterogeneous data were processed by the Internet of Things, characteristic …

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Drilling Core Identification Based On Natural Image, Gao Hui, Wu Zhenkun, Ke Yu, Tan Songcheng, He Siqi, Duan Longchen Sep 2023

Drilling Core Identification Based On Natural Image, Gao Hui, Wu Zhenkun, Ke Yu, Tan Songcheng, He Siqi, Duan Longchen

Coal Geology & Exploration

The traditional on-site core identification and recording mainly rely on the experience of technicians, and there are many uncertain factors. Limited by the site conditions, using mobile phones or cameras to capture the natural images is the most convenient way to collect the core information. Therefore, it is necessary to study the feature information extraction technology of core image and apply it to the identification and prediction of core type and other information. Specifically, a large number of core samples were collected, the thin-section identification method was employed to determine the core types and names, and then the core images …

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An Intelligent Prediction Method And Interpretability For Drag And Torque Of Drill String, Liu Muchen, Song Xianzhi, Li Dayu, Zhu Shuo, Fu Li, Zhu Zhaopeng, Zhang Chengkai, Pan Tao Sep 2023

An Intelligent Prediction Method And Interpretability For Drag And Torque Of Drill String, Liu Muchen, Song Xianzhi, Li Dayu, Zhu Shuo, Fu Li, Zhu Zhaopeng, Zhang Chengkai, Pan Tao

Coal Geology & Exploration

The accurate characterization and dynamic analysis of drilling string mechanics are essential to ensure the safe and efficient drilling. In the classical soft/rigid string model for drag & torque of drilling string, the friction coefficient of the drilling string is determined by empirical estimation or post-drilling inversion, of which the accuracy and timeliness needs to be improved. Based on the effectiveness of artificial intelligence technology applied in complex nonlinear mapping, a drag and torque prediction method of drill string with mechanism-data fusion was proposed by predicting the friction coefficient. Firstly, the friction coefficient was inversed using the drilled and logged …

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Development Of Remote Service Platform For Underground Tunnel Drilling Rigs Of Coal Mine, Liu Shijie, Yan Bin, Yao Ke, Dai Chenyu, Guan Zhiyang, Wang Longpeng, Li Jian, Zhu Qianxiang Sep 2023

Development Of Remote Service Platform For Underground Tunnel Drilling Rigs Of Coal Mine, Liu Shijie, Yan Bin, Yao Ke, Dai Chenyu, Guan Zhiyang, Wang Longpeng, Li Jian, Zhu Qianxiang

Coal Geology & Exploration

In view of the large demand for personnel in the underground coal mine drilling site, many potential safety hazards, and the difficulty of controlling the movement of the drilling rig by one-man operation and knowing the operating status of the drilling rig from a global perspective, the digital twin technology has benn introduced to design and develop a remote service platform for the drilling rig. Based on the ZDY25000LDK drilling rig, the platform system integrates the technologies concerning the remote control system of the drilling rig, the digital twin model and parameter monitoring system, with the remote control of the …

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Research Progress Of Intelligent Drilling Equipment And Technology, Zhang Xinxin, Liang Bowen, Zhang Xiaolong, Zhang Shaohe, Jin Xin Sep 2023

Research Progress Of Intelligent Drilling Equipment And Technology, Zhang Xinxin, Liang Bowen, Zhang Xiaolong, Zhang Shaohe, Jin Xin

Coal Geology & Exploration

For the development and utilization of complex marine and continental oil and gas resources, and some problems of heterogeneity and uncertainty inevitably encountered during the drilling under complex geological conditions, it is urgent to create opportunities for the development of intelligent drilling technology and equipment using the high-end information such as artificial intelligence, big data and machine learning. Herein, the intelligent drilling system and its basic components were described, mainly including the field surface intelligent control platform, the data measurement communication control network system, the downhole intelligent steering drilling system and the remote real-time intelligent control center system. Besides, the …

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Development And Prospect Of Intelligent Control Of Geological Drilling Process, Lu Chengda, Gan Chao, Chen Luefeng, Chen Xin, Cao Weihua, Wu Min Sep 2023

Development And Prospect Of Intelligent Control Of Geological Drilling Process, Lu Chengda, Gan Chao, Chen Luefeng, Chen Xin, Cao Weihua, Wu Min

Coal Geology & Exploration

The complex and ever-changing geological environment and harsh conditions pose enormous challenges to the control of geological drilling process. The flourishing development of frontier technologies such as big data and artificial intelligence has brought new opportunities to the development of drilling industry. Firstly, the development status of intelligent control of geological drilling process is elaborated from 3 aspects: Sensing and modelling of drilling process, intelligent optimization of drilling process and drilling process control. In terms of sensing and modelling of drilling process, various geological environment models have been established using multi-source information of drilling process, which enables the sensing of …

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Intelligent Lithology Prediction Method Based On Vibration Signal While Drilling And Deep Learning, Wang Sheng, Lai Kun, Zhang Zheng, Bai Jun, Luo Zhongbin, Li Bingle, Zhang Jie Sep 2023

Intelligent Lithology Prediction Method Based On Vibration Signal While Drilling And Deep Learning, Wang Sheng, Lai Kun, Zhang Zheng, Bai Jun, Luo Zhongbin, Li Bingle, Zhang Jie

Coal Geology & Exploration

Intelligent lithology prediction is of great importance in geological drilling, capable of improving exploration and mining efficiency, as well as the quality of results. In this study, a method of intelligent lithology prediction while drilling was proposed based on the vibration signals produced by the drill bit breaking rocks during drilling. Specifically, seven types of rocks with the same size and different lithologies were selected, and a micro-drilling experiment was designed to apply different drilling rates and rotary speeds to the rocks, in order to collect the triaxial vibration signals while drilling under multiple drilling conditions. The signals were preprocessed …

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Research On Coal-Rock Interface Recognition System Based On Drilling Parameters, Wang Jie Sep 2023

Research On Coal-Rock Interface Recognition System Based On Drilling Parameters, Wang Jie

Coal Geology & Exploration

In response to the problems of untimely and inaccurate coal-rock interface recognition and lack of appropriate technical means during the construction of cross-seam drilling for gas drainage by bottom drainage roadway, a coal-rock interface recognition system based on drilling parameters (rotational speed, rotary torque, propulsion force, advance velocity, crushing work ratio) was developed. The entire system consists of a data sensing layer, a data acquisition layer and a data analysis layer. Among them, the data sensing layer and the data acquisition layer are also collectively called the drilling data acquisition system, which can collect the drilling parameters in real time. …

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Prediction Of Crack Width Of Drilling Fluid Leakage Based On Neural Network, Wang Jian, Xu Jiafang, Zhao Mifu, Wang Bowen, Wang Yahua, Chen Jie, Wang Xiaohui, Yang Gang, Ma Tengfei Sep 2023

Prediction Of Crack Width Of Drilling Fluid Leakage Based On Neural Network, Wang Jian, Xu Jiafang, Zhao Mifu, Wang Bowen, Wang Yahua, Chen Jie, Wang Xiaohui, Yang Gang, Ma Tengfei

Coal Geology & Exploration

During the drilling, it is difficult to select the appropriate leakage prevention and plugging methods and materials as the development of reservoir fractures is unknown. Herein, a reservoir crack width prediction method based on neural network was proposed with reference to the actual history data of wells. Firstly, the main influencing factors of reservoir fracture width were explored and ranked by correlation analysis, and seven main influencing factors, including pump pressure, drilling fluid displacement and drilling speed, were selected as the input parameters. The rate of convergence of the model was improved using the additional momentum algorithm and the variable …

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Design Of Attitude Monitoring System For Directional Drilling Continuous Coring Tools, Lin Tingting, Liu Zekai, Ma Yinlong, Zhu Jinbao Sep 2023

Design Of Attitude Monitoring System For Directional Drilling Continuous Coring Tools, Lin Tingting, Liu Zekai, Ma Yinlong, Zhu Jinbao

Coal Geology & Exploration

Directional drilling continuous coring, as an emerging geological exploration technique, holds vast potential in the field of mineral resource exploration. To facilitate the development of directional continuous coring tools with proprietary intellectual property rights, an attitude monitoring system based on attitude sensing and wireless communication technology was designed in this paper. Concerning the hardware system design, the MPU9250 attitude sensor and STM32F103C8T6 main control chip were adopted to monitor the attitude change of drilling tools, where the communication through geological layers was achieved using a LoRa wireless module. Additionally, to accommodate the structural of the drilling tool and the requirements …

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Tracking Control Of Drilling Robot Feed Force Based On An Equivalent-Input-Disturbance, Li Wangnian, Lu Chengda, Zhang Youzhen, Song Haitao, Tian Shengnan, Huang Hengyu, Chen Luefeng, Wu Min Sep 2023

Tracking Control Of Drilling Robot Feed Force Based On An Equivalent-Input-Disturbance, Li Wangnian, Lu Chengda, Zhang Youzhen, Song Haitao, Tian Shengnan, Huang Hengyu, Chen Luefeng, Wu Min

Coal Geology & Exploration

During the underground construction of gas extraction hole in coal mine, the feeding system of drilling robot is used for pressurization, decompression and feeding in drilling process. In view of the problem that the uncertain disturbance of complex strata affects the working performance of drilling robot and the quality and efficiency of drilling construction, the structural composition and drilling construction technology of drilling robot were analyzed at first. The mathematical model of pressure reducing valve control was established according to the working principle of its feed system, and the mapping relationship between the control input, the electromagnet current, and the …

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Partnering For Climate Resilience: Exploring The Maturity Of Private-Sector Efforts In The Great Lakes Region, Lisa Greenwood, Yewande Abraham, Jennifer Schneider, Vicki Lin Sep 2023

Partnering For Climate Resilience: Exploring The Maturity Of Private-Sector Efforts In The Great Lakes Region, Lisa Greenwood, Yewande Abraham, Jennifer Schneider, Vicki Lin

Articles

Communities and businesses continue to experience the effects of climate change as global temperatures rise and extreme weather events become more frequent. In the United States (US), the public sector has traditionally been responsible for mitigating these risks; however, engaging the private sector is crucial, given industrial impacts on and vulnerability to climate change. Private-sector mitigation and adaptation efforts are critical in the Great Lakes Region due to aging infrastructure as well as its economic, environmental, and political importance in the US and Canada. This study explores private-sector resilience efforts in three Great Lakes cities to identify opportunities and trends …

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Dual Activation Of Peroxymonosulfate Using Mnfe2O4/G‑C3N4 And Visible Light For The Efficient Degradation Of Steroid Hormones: Performance, Mechanisms, And Environmental Impacts, Kitipong Poomipuen, Chainarong Sakulthaew, Chanat Chokejaroenrat, Athaphon Angkaew, Kanidrawee Techauay, Thapanee Poompoung, Kanokwan Teingtham, Piyaporn Phansak, Piyangkun Lueangjaroenkit, Daniel D. Snow Sep 2023

Dual Activation Of Peroxymonosulfate Using Mnfe2O4/G‑C3N4 And Visible Light For The Efficient Degradation Of Steroid Hormones: Performance, Mechanisms, And Environmental Impacts, Kitipong Poomipuen, Chainarong Sakulthaew, Chanat Chokejaroenrat, Athaphon Angkaew, Kanidrawee Techauay, Thapanee Poompoung, Kanokwan Teingtham, Piyaporn Phansak, Piyangkun Lueangjaroenkit, Daniel D. Snow

Daugherty Water for Food Global Institute: Faculty Publications

Single activation of peroxymonosulfate (PMS) in a homogeneous system is sometimes insufficient for producing reactive oxygen species (ROS) for water treatment applications. In this work, manganese spinel ferrite and graphitic carbon nitride (MnFe2O4/g-C3N4; MnF) were successfully used as an activator for PMS under visible light irradiation to remove the four-mostdetected- hormone-contaminated water under different environmental conditions. The incorporation of g-C3N4 in the nanocomposites led to material enhancements, including increased crystallinity, reduced particle agglomeration, amplified magnetism, improved recyclability, and increased active surface area, thereby facilitating the PMS activation and electron …

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Belt And Road Science & Technology Cooperation: Current Situation, Challenges And Development Directions, Hongyan He, Shuxian Wu, Jiayu Xin, Hui Zhao, Yanlei Wang, Dongxia Yan, Linglong Shan, Xin Wang, Yuliang Zhao Sep 2023

Belt And Road Science & Technology Cooperation: Current Situation, Challenges And Development Directions, Hongyan He, Shuxian Wu, Jiayu Xin, Hui Zhao, Yanlei Wang, Dongxia Yan, Linglong Shan, Xin Wang, Yuliang Zhao

Bulletin of Chinese Academy of Sciences (Chinese Version)

Since the Belt and Road Initiative was put forward, China has actively engaged in innovation cooperation with coconstruction countries and regions, and has made gratifying achievements in basic scientific research, technology transfer and transformation, the cooperation network and platform base construction. At present, new changes and situations in the political and economic landscape worldwide have put forward higher requirements for the construction of the Belt and Road Initiative. Therefore, high-quality joint construction of Belt and Road needs to sum up the experience and identify areas of cooperation. In this context, the study summarizes the current situation and main challenges of …

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Research On Science And Technology Cooperation Pattern Of The Belt And Road Initiative, Weidong Liu, Jing Li, Guohua Xiao, Zhouying Song, Jiansheng Qu, Yafeng Wang, Fahu Chen Sep 2023

Research On Science And Technology Cooperation Pattern Of The Belt And Road Initiative, Weidong Liu, Jing Li, Guohua Xiao, Zhouying Song, Jiansheng Qu, Yafeng Wang, Fahu Chen

Bulletin of Chinese Academy of Sciences (Chinese Version)

Science and technology cooperation has become an important driving force for the high-quality development of the Belt and Road Initiative (BRI). This study intends to explore how international science and technology cooperation can empower the highquality development of the BRI co-construction. By sorting out the practice of science and technology cooperation in boosting the development of the Belt and Road countries and regions since the raise of BRI, and analyzing the problems and challenges encountered, countermeasures and suggestions for the new era are finally proposed in this study.

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Case Study And Recommendations On Technological Collaboration In Supporting Development Of Qinghai-Tibet Plateau Under The Belt And Road Initiative, Xiaowei Nie, Xiaoduo Pan, Zhuoying Zhang, Yang Yang, Yang Yang, Xinyu Gong Sep 2023

Case Study And Recommendations On Technological Collaboration In Supporting Development Of Qinghai-Tibet Plateau Under The Belt And Road Initiative, Xiaowei Nie, Xiaoduo Pan, Zhuoying Zhang, Yang Yang, Yang Yang, Xinyu Gong

Bulletin of Chinese Academy of Sciences (Chinese Version)

The Belt and Road Initiative has played an important role in promoting the construction of a community with a shared future for mankind and actively integrated into the global governance system over the past decade. At the same time, through scientific and technological cooperation, it has also significantly impacted domestic regional development. The Tibetan Plateau, known as the “Third Pole” of the Earth, is not only an important internationalized region but also a crucial component of the Belt and Road Initiative, offering opportunities to establish a South Asian land corridor. This study analyzes and summarizes the role of scientific and …

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S&T Innovation Study For The Digital Belt And Road, Huadong Guo, Fang Chen, Yu Chen, Guozhuang Shen, Chuansheng Liu, Yunwei Tang Sep 2023

S&T Innovation Study For The Digital Belt And Road, Huadong Guo, Fang Chen, Yu Chen, Guozhuang Shen, Chuansheng Liu, Yunwei Tang

Bulletin of Chinese Academy of Sciences (Chinese Version)

Digital technology can promote the sustainable development of countries and regions along the route of Belt and Road Initiative and help enhance interconnectivity in technology, standards, rules, and digital infrastructure. Science and technology play a crucial role in the construction of the Digital Belt and Road. However, currently, some countries and regions along the route of Belt and Road Initiative lack sufficient digital infrastructure, and there is a shortage of critical core digital technology and challenges in its promotion. It is essential to build an innovative ecosystem for the Digital Belt and Road that includes facilities, technology, mechanisms, and capabilities …

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International Cooperation Mechanism Of Collaborated Disaster Risk Management For Belt And Road, Shaohong Wu, Yu Lei, Wei Xu, Saini Yang, Qunli Han, Fang Lian, Shengnan Wu, Peng Cui Sep 2023

International Cooperation Mechanism Of Collaborated Disaster Risk Management For Belt And Road, Shaohong Wu, Yu Lei, Wei Xu, Saini Yang, Qunli Han, Fang Lian, Shengnan Wu, Peng Cui

Bulletin of Chinese Academy of Sciences (Chinese Version)

The Belt and Road countries and regions have complicated geological environment and controlled by monsoon climate, which is easy to cause a variety of natural disasters and lead to serious harm. The natural disasters have become an important factor hindering the green development to the Belt and Road countries and regions. At the same time, most of the Belt and Road countries and regions are developing countries and regions, with lower capacity for disaster prevention and reduction. It is difficult for science and technology as well as institutional mechanisms to meet the needs of the implementation of the Belt and …

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Cultivation Of Scientific And Technological Innovation Talents For The Belt And Road Initiative: China’S Advantages, Challenges And Critical Paths, Jin Qin, Shixin Tan, Yizhu Shen, Liuzhu Gong, Jianxun Chu, Liangchen Fan, Xinhe Bao Sep 2023

Cultivation Of Scientific And Technological Innovation Talents For The Belt And Road Initiative: China’S Advantages, Challenges And Critical Paths, Jin Qin, Shixin Tan, Yizhu Shen, Liuzhu Gong, Jianxun Chu, Liangchen Fan, Xinhe Bao

Bulletin of Chinese Academy of Sciences (Chinese Version)

Scientific and technological talents are critical resources to China and the Belt and Road Initiative (BRI). Although China is the most favorable destination country for overseas students in Asia, it is facing increasing global competition for talents, especially from the developed countries that have introduced policies to attract international students and scientific and technological innovation talents, China highly needs to figure out how to attract more high-quality foreign students and talents, and how to cultivate more innovation talents to serve the Belt and Road development. This study first evaluates science and education rankings of the Belt and Road countries and …

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Accelerating Construction Of New Development Pattern Of Dual Circulation By Building Belt And Road With High Quality, Xiong Ying, Zijian Shangguan, Ying Liu Sep 2023

Accelerating Construction Of New Development Pattern Of Dual Circulation By Building Belt And Road With High Quality, Xiong Ying, Zijian Shangguan, Ying Liu

Bulletin of Chinese Academy of Sciences (Chinese Version)

This paper firstly reviews the achievements of the Belt and Road Initiative (BRI) since its raise 10 years ago in terms of policy communication, facility connectivity, trade exchanges, financial integration, and people-to-people bond, and explains the significance of BRI to the new development pattern of the dual circulation. Then, combined with the actual national conditions of China's new development stage, it analyzes the opportunities and challenges of the construction of the Belt and Road in the new situation of the global economy and trade. Finally, it puts forward policy suggestions for the high-quality construction of the Belt and Road in …

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Scientific And Technological Innovation And Cooperation Support High-Quality Development Of The Belt And Road Initiative, Chunli Bai Sep 2023

Scientific And Technological Innovation And Cooperation Support High-Quality Development Of The Belt And Road Initiative, Chunli Bai

Bulletin of Chinese Academy of Sciences (Chinese Version)

The Belt and Road Initiative has become a popular international public goods and international cooperation platform in the past decade since it was firstly proposed in 2013. China and the Belt and Road participating countries and regions have made considerable progress in scientific and technological cooperation, including carrying out scientific and technological cooperation actions and plans, building international scientific organizations and science and education cooperation centers, providing talent training platforms, etc. Nevertheless, in the new era, the Belt and Road faces many challenges such as the unpredictable external environment, the incomplete top-level design and mechanism, the insufficient depth of scientific …

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Key Areas For Scientific And Technological Cooperation In Ecological And Environmental Protection And Sustainable Development In The Belt And Road Initiative, Bojie Fu, Yanxu Liu, Wenwu Zhao Sep 2023

Key Areas For Scientific And Technological Cooperation In Ecological And Environmental Protection And Sustainable Development In The Belt And Road Initiative, Bojie Fu, Yanxu Liu, Wenwu Zhao

Bulletin of Chinese Academy of Sciences (Chinese Version)

Green is the foundation of the Belt and Road Initiative (BRI). This study examines the ecological and environmental risks faced by BRI and their impact on sustainable development. It identifies key research areas in ecological and environmental protection that support sustainable development, including water resource management and water-saving technologies, water environment governance and human health assurance, land degradation prevention and control technologies and demonstrations, biodiversity conservation and the utilization of biological resources, mechanisms and models for ecosystem restoration, and environmental governance for community sustainable development. It is hoped to enhancing scientific and technological cooperation in ecological and environmental governance among …

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