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| 1 | Ambient volatile organic compounds pollution in China显示文摘Owing to rapid economic and industrial development,China has been suffering from degraded air quality and visibility. Volatile organic compounds(VOCs)are important precursors to the formation of ground-level ozone and hence photochemical smog. Some VOCs adversely affect human health. Therefore,VOCs have recently elicited public concern and given new impetus to scientific interest. China is now implementing a series of polices to control VOCs pollution. The key to formulating policy is understanding the ambient VOCs pollution status. This paper mainly analyzes the species,levels,sources,and spatial distributions of VOCs in ambient air. The results show that the concentrations of ambient VOCs in China are much higher than those of developed countries such as the United States and Japan,especial benzene,which exceeds available standards. At the same time,the ozone formation potential(OFP)and secondary organic aerosol formation potential(SOAFP)of various VOCs are calculated. Aromatics and alkenes have much higher OFPs,while aromatics have higher SOAFP. The OFPs of ambient VOCs in the cities of Beijing,Guangzhou and Changchun are very high,and the SOAFP of ambient VOCs in the cities of Hangzhou,Guangzhou and Changchun are higher. | Xinmin Zhang Zhigang Xue Hong Li Li Yan Yuan Yang Yi Wang Jingchun Duan Lei Li Fahe Chai Miaomiao Cheng Weiqi Zhang | 2017 | Journal of Environmental Sciences2017，29，5： | 34 |
| 2 | Cobalt-based hydroxide nanoparticles @ N-doping carbonic frameworks core-shell structures as highly efficient bifunctional electrocatalysts for oxygen evolution and oxygen reduction reactions显示文摘高度有效、地球丰富的氧进化 / 减小反应(OER/ORR ) 的发展催化剂为可充电的金属空气电池是必要的。此处,基于钴的氢氧化物 nanoparticles @做 N 碳的框架(CoOHCat@NCF ) 核心壳结构作为高度稳定、有效的 OER/ORR bifunctional 催化剂被设计了。获得的合成表演在碱的媒介提高了催化活动和优秀稳定性。在 OER,高周转频率(在 0.36 V 的过电位的 2.03 s -1) ,在高当前的密度的低过电位(100 妈?? | Shiqiang Feng Cheng Liu Zhigang Chai Qi Li Dongsheng Xu | 2018 | Nano Research2018，11，3： | 6 |
| 3 | Source,route and effect of Asian sand dust on environment and the oceans显示文摘We summarize in this overview achievements in current research frontiers in Asian sand dust with emphasis on the method for sand dust research,the sources of sand dust aerosols,emission of sand dust,mechanism of sand dust weather,chemical transformation during transport,and influences on climatic environment and oceans.Our main results show that most of Asian sand dust comes from Mongolia,the Gobi Desert,arid and semiarid desert areas in northwest China,which is divided into initial sources and enhanced sources.Half of the global production of dust originates from Asian dust source regions.Asian dust weather is so immense that it can cover a 5-7-day journey from the sources to the Korean Peninsula,Japan Islands,and the Pacific Ocean to even impact North America.Asian dust weather plays an active role in the biogeochemical cycles of trace elements in the mid-latitude Northern Hemisphere. | Kai Zhang Fahe Chai Renjian Zhang Zhigang Xue | 2010 | Particuology2010，8，4： | 3 |
| 4 | Atmospheric emissions estimation of Hg, As, and Se from coal-fired power plants in China, 2007显示文摘 | Hezhong Tian Yan Wang Zhigang Xue Yiping Qu Fahe Chai Jiming Hao | 2011 | Science of the Total Environment2011，，16： | 2 |
| 5 | Structural and Magnetic Properties of Insulating Znl-x CoxO Thin Films 显示文摘 | Y IN Zhigang CHEN Nuofu CHAI Chunlin | 2004 | Appl Phys Lett2004，96，： | 1 |
| 6 | 显示文摘 | Yin Zhigang Chen Nuofu Chai Chunlin | 2004 | J Appl Phys2004，96，： | 1 |
| 7 | Disruption of the autism-related gene Pak1 causes stereocilia disorganization,hair cell loss,and deafness in mice显示文摘Several clinical studies have reported that hearing loss is correlated with autism in children.However,little is known about the underlying mechanism between hearing loss and autism.p21-activated kinases(PAKs)are a family of serine/threonine kinases that can be activated by multiple signaling molecules,particularly the Rho family of small GTPases.Previous studies have shown that Pak1 mutations are associated with autism.In the present study,we take advantage of Pak1 knockout(Pak1a/a)mice to investigate the role of PAK1 in hearing function.We find that PAK1 is highly expressed in the postnatal mouse cochlea and that PAK1 deficiency leads to hair cell(HC)apoptosis and severe hearing loss.Further investigation indicates that PAK1 deficiency downregulates the phosphorylation of cofilin and ezrin-radixin-moesin and the expression of b II-spectrin,which further decreases the HC synapse density in the basal turn of cochlea and disorganized the HC stereocilia in all three turns of cochlea in Pak1à/àmice.Overall,our work demonstrates that the autism-related gene Pak1 plays a crucial role in hearing function.As the first candidate gene linking autism and hearing loss,Pak1 may serve as a potential target for the clinical diagnosis of autism-related hearing loss. | Cheng Cheng Yilin Hou Zhonghong Zhang Yanfei Wang Ling Lu Liyan Zhang Pei Jiang Song Gao Qiaojun Fang Chengwen Zhu Junyan Gao Xufeng Liu Wei Xie Zhengping Jia Zhigang Xu Xia Gao Renjie Chai | 2021 | Journal of Genetics and Genomics2021，48，4： | 0 |
| 8 | Soft-rigid coupling grippers:Collaboration strategies and integrated fabrication methods显示文摘Continuously increasing applications of robot technologies in unstructured environments put higher requirements on the robotic grippers'performance,such as interaction capability,output force range,and controllability.However,currently,it is hard for either rigid or soft grippers to meet these requirements,as single soft or rigid structures alone are difficult to effectively overcome/alleviate their inherent defects,e.g.,low compliance of rigid structures and low output force of soft structures.To deal with these difficulties,soft-rigid coupling grippers,or hybrid grippers are proposed.Technically,the soft-rigid coupling is a promising design that combines soft and rigid structures,in order to exploit their respective advantages,such as the strength of rigid structures and compliance of soft structures,in the same set of the gripper system.For the first time,herein,this paper systematically discusses the collaboration strategies of the existing hybrid robotic grippers,by classifying them as Rigid-activesoft-passive,Rigid-passive-soft-active,and Rigid-active-soft-active.At the same time,we introduce the integrated fabrication methods of hybrid grippers,through which the soft and rigid structures with great stiffness and property differences can be coupled together to construct a stable system.Also,possible performance improvements on soft-rigid coupling design for gripper systems are discussed. | CHEN Han ZHU JiaQi CAO Yu XIA ZhiSheng CHAI ZhiPing DING Han WU ZhiGang | 2023 | Science China(Technological Sciences)2023，66，11： | 0 |
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