GW150914 and gravitational-wave astronomy

Liu, Jian; Wang, Gang; Hu, Y. M.; Zhang, Teng; Luo, Ziren; Wang, QingLan; Shao, Lijing

doi:10.1360/n972016-00429

Cited by 10 publications

(10 citation statements)

References 64 publications

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“…Improving energy efficiency and achieving zero carbon emissions are two of the most important ways to reduce CO 2 emissions (Fig 2). 10 Energy efficiency improvement mainly includes two directions: energy conservation and energy utilization efficiency improvement. Energy conservation is mainly targeted at upstream industrial sectors, and production capacity with high energy consumption and high emission will be phased out.…”

Section: Technologies For Achieving Carbon Neutralitymentioning

confidence: 99%

Recent progress and emerging strategies for carbon peak and carbon neutrality in China

Liu

Wang

2023

Greenhouse Gases

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As the global climate crisis intensifies, ecosystems, human society and economic activities are significantly affected. Countries around the world have successively put forward the goal of carbon neutrality or zero carbon. At the 75th session of the United Nations General Assembly, the Chinese government explicitly proposed making efforts to reach the goal of Carbon Peak (peak of carbon emissions before 2030) and Carbon Neutrality (Dual Carbon) (carbon neutrality before 2060). In October 2021, the CPC Central Committee and the State Council issued the “Opinions on Fully, Accurately and Comprehensively Implementing the New Development Concepts to Achieve Carbon Peak and Carbon Neutrality” and the Action Plan for Achieving Carbon Peak before 2030, specifying the targets and tasks related to achieving carbon peak and carbon neutrality in China. As the world's largest developing country, the world's largest manufacturer, and a country with the most complete industrial categories, China will face multiple challenges such as climate change, economic transition, and environmental protection, which requires systematic support from policy, economy, technology, and society. How to achieve the goal will be a great challenge to China's sustainable development. The academic community has conducted extensive exploration on the realization of China's carbon peak and carbon neutrality in many fields, such as energy transformation, industrial structure upgrading, transportation carbon reduction, urban planning and construction, carbon sink enhancement, low‐carbon technologies, green finance, and supporting policies. Among them, policy planning and technological innovation are the most important to achieve the goal of carbon peak and carbon neutrality. Second, industrial adjustment and enterprise implementation are also important. Therefore, this review will focus on the development status and prospects of policy support, technological innovation, industrial adjustment, and enterprise implementation for achieving dual carbon goals in China. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.

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Section: Technologies For Achieving Carbon Neutralitymentioning

confidence: 99%

Recent progress and emerging strategies for carbon peak and carbon neutrality in China

Liu

Wang

2023

Greenhouse Gases

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“…More importantly, the liquid metal GaInSn alloy was considered for the first time as connecting or functional recovery electrical channel to repair the peripheral neurotmesis, which was attributed to be a promising way for nerve functional recovery. [105,106] As shown in Figure 10f, the transected nerve of the bullfrog was reconnected by the liquid metal, and the electroneurographic signals could be conducted successfully.…”

Section: Bioelectrical Materialsmentioning

confidence: 99%

Preparations, Characteristics and Applications of the Functional Liquid Metal Materials

2017

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As new generation functional materials, the recently emerging low-melting liquid metals have displayed many unconventional properties superior to traditional materials. Various methods, such as alloying, oxidizing, adding metals, or non-metallic materials and so on, have been developed to prepare desirable functional materials based on the gallium or more other metals. These methods could not only change the form of the materials, but also endow the original liquid metals with rather diversified performances, which have further expanded the application range of the low-melting liquid metals to meet various needs. This article aims to review and summarize on the fabrication methods, characteristics, and applications of the functional liquid metal materials. Furthermore, the future outlook in this field, including challenges, routes, and related efforts, has also been illustrated and interpreted.

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“…On the ground, the most famous gravitational wave detector is the LIGO gravitational wave observatory, which was built by the United States in 1984. In 2015, scientists used LIGO to detect gravitational wave signals of two black holes merging for the first time [2]. There are also other gravitational wave detectors in operation on the ground, including the GEO600 gravitational wave observatory in Hanover, Germany, and the VIRGO gravitational wave detector in Pisa, Italy.…”

Section: Introductionmentioning

confidence: 99%

Design and Thermal Stability Analysis of Swing Micro-Mirror Structure for Gravitational Wave Observatory in Space

Zheng

2021

Machines

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A kind of swing micro-mirror structure with high stability for gravitational wave observatory in space is proposed in this paper. As the key interface instrument in the gravitational wave observatory, the swing micro-mirror structure plays a very important role. Firstly, the 3D model of the mechanism is designed and established. Then, the solution method of the index of stability, pointing jitter, is researched. After that, the thermal stability and the first-order natural frequency of the mechanism are researched via finite element analysis. The first-order natural frequency of the mechanism is 247.55 Hz, which can meet the requirements of the design. It can be seen from the results of the simulation, the amplitude spectral density of the mirror angle deviation is 3.975 nrad/√Hz when the range of temperature variation is 0.1 °C, which is able to meet the requirements of the design. The thermal stability has a closed relationship with the structural stability around the X-axis. In addition, this article also studies the thermal stability of the mechanism in the case of temperature changes in different directions. It is found that the thermal stability of the mechanism around the Y-axis would be significantly affected by the temperature changes along the Y-axis.

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GW150914 and gravitational-wave astronomy

Cited by 10 publications

References 64 publications

Recent progress and emerging strategies for carbon peak and carbon neutrality in China

Recent progress and emerging strategies for carbon peak and carbon neutrality in China

Preparations, Characteristics and Applications of the Functional Liquid Metal Materials

Design and Thermal Stability Analysis of Swing Micro-Mirror Structure for Gravitational Wave Observatory in Space

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