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| 1 | Time range of Mesozoic tectonic regime inversion in eastern North China Block显示文摘An important tectonic inversion took place in eastern North China Block(NCB) during Mesozoic, which caused a great lithosphere thinning, reconstruction of basin-range series, powerful interaction between mantle and crust, a vast granitic intrusion and volcanism, and large-scale metallogenic explosion. The time range of the Mesozoic tectonic regime inversion in the eastern North China Block is one of the key issues to understand mechanism of tectonic regime inversion. Our updated results for recognizing the time range are mainly obtained from the following aspects: structural analyses along northern and southern margins of the NCB and within the NCB for revealing tectonic inversion from compression to extension and structural striking from ~EW to NNE; geothermic analyses of the eastern sedimental basins for a great change of thermal history and regime; basin analysis for basin inversion from compression to extension and basin migration from ~EW to NNE; petrological and geochemical studies of volcanic rocks and lowermost crust xenoliths for recognizing peak period of mantle upwelling and intense interaction between mantle and crust, and main metallogenic epoch. All the studies of the above give the same time range from~150-140 Ma to ~110-100Ma, peaking at ~120 Ma. | ZHAI Mingguo ZHU Rixiang LIU Jianming MENG Qingren HOU Quanlin HU Shengbiao LIU Wei LI Zhong ZHANG Hongfu ZHANG Huafeng | 2004 | Science China Earth Sciences2004，47，2： | 89 |
| 2 | cMyc-mediated activation of serine biosynthesis pathway is critical for cancer progression under nutrient deprivation conditions显示文摘癌症房间被知道经历新陈代谢的 reprogramming 然而,支撑幸存和快速的增长 oncogenic 损害怎么在各种各样的强调条件下面协调新陈代谢的开关,尚待充分被阐明。这里,我们显示出葡萄糖或夫酸安的那剥夺,为癌症房间的二主要营养来源,被伴随由的戏剧性地激活的丝氨酸生合成小径(SSP ) 提高了 cMyc 表示。我们进一步鉴别那 cMyc 刺激了 SSP 激活由 transcriptionally 多重 SSP 酶的 upregulating 表示。而且,我们证明 cMyc 便于的 SSP 激活导致了提高的谷胱甘肽(GSH ) 生产,房间周期前进和 nucleic 酸合成,它在剥夺营养素的条件下面特别为房间幸存和增长是必要的。我们进一步揭开了那 phosphoserine 磷酸酶( PSPH ), SSP 小径的最后的限制率的酶,在 vitro 并且在 vivo 为 驾驶cMyc 的癌症前进是批评的,并且重要地, PSPH 的异常表示高度在 hepatocellular 与死亡被相关癌( HCC )病人,一般来说建议在这 调整cMyc 的酶,或 SSP 激活之间的一种潜在的原因的关系,并且癌症开发。一起拿,我们的结果表明 cMyc 的那异常表情导致提高的 SSP 激活,新陈代谢的开关的必要部分,在剥夺营养素的条件下面便于癌症前进。 | Linchong Sun Libing Song Qianfen Wan Gongwei Wu Xinghua Li Yinghui Wang Jin Wang Zhaoji Liu Xiuying Zhong Xiaoping He Shengqi Shen Xin Pan Ailing Li Yulan Wang Ping Gao Huiru Tang Huafeng Zhang | 2015 | Cell Research2015，25，4： | 33 |
| 3 | OsGRF4 controls grain shape, panicle length and seed shattering in rice显示文摘Traits such as grain shape, panicle length and seed shattering, play important roles in grain yield and harvest. In this study, the cloning and functional analysis of PANICLE TRAITS 2(PT2), a novel gene from the Indica rice Chuandali(CDL), is reported. PT2 is synonymous with Growth-Regulating Factor 4(OsGRF4), which encodes a growth-regulating factor that positively regulates grain shape and panicle length and negatively regulates seed shattering. Higher expression of OsGRF4 is correlated with larger grain, longer panicle and lower seed shattering. A unique OsGRF4 mutation, which occurs at the Osmi RNA396 target site of OsGRF4, seems to be associated with high levels of OsGRF4 expression, and results in phenotypic difference. Further research showed that OsGRF4 regulated two cytokinin dehydrogenase precursor genes(CKX5 and CKX1) resulting in increased cytokinin levels,which might affect the panicle traits. High storage capacity and moderate seed shattering of OsGRF4 may be useful in high-yield breeding and mechanized harvesting of rice. Our Resefindings provide additional insight into the molecular basis of panicle growth. | Pingyong Sun Wuhan Zhang Yihua Wang Qiang He Fu Shu Hai Liu Jie Wang Jianmin Wang Longping Yuan Huafeng Deng | 2016 | Journal of Integrative Plant Biology2016，58，10： | 16 |
| 4 | Paleoproterozoic Potassic Granitoids in the Sushui Complex from the Zhongtiao Mountains,Northern China:Geochronology,Geochemistry and Petrogenesis显示文摘Paleoproterozoic potassic granitoids in the southern Sushui Complex from the Zhongtiao Mountains yielded SHRIMP zircon U-Pb ages of 1968–1944 Ma. Lithologically, the potassic granitoid series consists chiefly of monzodiorite, quartz monzonite and syenogranite. Their trace elements and Sm-Nd isotope characteristics indicate that they were derived from partial melting of Archean TTG rocks in an overthickened continental crust. Petrogenesis of this potassic granitoid series implies a collisional environment within the Trans-North China Orogen in the Paleoproterozoic, which supports a tectonic model of Eastern and Western Continental Blocks being amalgamated in the Paleoproterozoic. | TIAN Wei LIU Shuwen ZHANG Huafeng | 2006 | Acta Geologica Sinica(English Edition)2006，80，6： | 14 |
| 5 | Imbalance of Interleukin 18 and Interleukin 18 Binding Protein in Patients with Lupus Nephritis显示文摘评估 interleukin 的平衡地位 18 ( IL-18 )并且 interleukin 在在有豺狼座肾炎(行)和主要肾病的症候群( PNS )的病人的循环的 18 有约束力的蛋白质( IL-18BP ),在 IL-18 和 IL-18BP 的外部血 mononuclear 房间( PBMC )的血浆层次以及 mRNA 表示被 ELISA 和 RT-PCR 分别地测量。IL-18/IL-18BP 的比率也是计算的。当仅仅 IL-18BP 在 PNS 增加了时,当时,血浆 IL-18 和 IL-18BP 在行病人显著地增加了,它在行然而并非在 PNS 病人导致了 IL-18/IL-18BP 的提高的比率与正常控制相比。相反,增加了 IL-18 mRNA 的水平仅仅在行然而并非在 PNS 组被检测,尽管在在两个组的 PBMC 的 IL-18BP mRNA 表情在控制比那高。IL-18 和 IL-18BP 的不平衡可能涉及行,一条治疗学的途径基于是为行要发展的贵重物品的致病。细胞与分子的免疫学。2006; 3 (4 ): 303-306。 | Dong Liang Wenfeng Ma Cuiwei Yao Huafeng Liu Xiaowen Chen | 2006 | Cellular & Molecular Immunology2006，3，4： | 10 |
| 6 | Receiver function study of the crustal structure of Northeast China:Seismic evidence for a mantle upwelling beneath the eastern flank of the Songliao Basin and the Changbaishan region显示文摘Northeast China is a unique place to study intra-plate volcanism.We analyzed P-wave receiver function data recorded by 111 permanent broadband seismic stations in Northeast China.The results show that the crustal thickness varies from 27.9 km beneath the eastern flank of the Songliao Basin to 40.7 km beneath the Great Xing'an Range region.The large depth variations of the Moho can be largely but not completely explained by surface topography.The residual Moho depth calculated based on the Airy's isostasy model indicates that the Moho is dynamically uplifted by <3 km beneath the eastern flank of the Songliao Basin and the Changbaishan region.We suggest that a mantle upwelling,which has been proposed by several recent seismic studies,might have caused the uplift. | Huafeng Liu Fenglin Niu | 2011 | Earthquake Science2011，24，1： | 9 |
| 7 | Low-dose real-time X-ray imaging with nontoxic double perovskite scintillators显示文摘X-rays are widely used in probing inside information nondestructively,enabling broad applications in the medical radiography and electronic industries.X-ray imaging based on emerging lead halide perovskite scintillators has received extensive attention recently.However,the strong self-absorption,relatively low light yield and lead toxicity of these perovskites restrict their practical applications.Here,we report a series of nontoxic double-perovskite scintillators of Cs_(2)Ag_(0.6)Na_(0.4)In_(1-y)Bi_(y)Cl_(6).By controlling the content of the heavy atom Bi^(3+),the X-ray absorption coefficient,radiative emission efficiency,light yield and light decay were manipulated to maximise the scintillator performance.A light yield of up to 39,000±7000 photons/MeV for Cs_(2)Ag_(0.6)Na_(0.4)In_(0.85)Bi_(0.15)Cl_(6) was obtained,which is much higher than that for the previously reported lead halide perovskite colloidal CsPbBr_(3)(21,000 photons/MeV).The large Stokes shift between the radioluminescence(RL)and absorption spectra benefiting from self-trapped excitons(STEs)led to a negligible selfabsorption effect.Given the high light output and fast light decay of this scintillator,static X-ray imaging was attained under an extremely low dose of ∼1μGy_(air),and dynamic X-ray imaging of finger bending without a ghosting effect was demonstrated under a low-dose rate of 47.2μGy_(air) s^(−1).After thermal treatment at 85℃ for 50 h followed by X-ray irradiation for 50 h in ambient air,the scintillator performance in terms of the RL intensity and X-ray image quality remained almost unchanged.Our results shed light on exploring highly competitive scintillators beyond the scope of lead halide perovskites,not only for avoiding toxicity but also for better performance. | Wenjuan Zhu Wenbo Ma Yirong Su Zeng Chen Xinya Chen Yaoguang Ma Lizhong Bai Wenge Xiao Tianyu Liu Haiming Zhu Xiaofeng Liu Huafeng Liu Xu Liu Yang(Michael)Yang | 2020 | Light(Science & Applications)2020，9，1： | 9 |
| 8 | Laser Ablation ICP-MS U-Pb Zircon Geochronology of Granitoids and Quartz Veins in the Shihu Gold Mine, Taihang Orogen, North China: Timing of Gold-mineralization and Tectonic Implications显示文摘The Shihu gold deposit, situated in the Taihang Mesozoic orogen of the North China Craton (NCC), is hosted by ductile-brittle faults within Archean metamorphic core complex. The deposit is characterized by gold-bearing quartz-polymetallic sulfides veins. The Mapeng granitoids stock and intermediate-basic dikes intruded the metamorphic basement rocks, and are spatially related to gold mineralization. Detailed laser ablation inductively coupled plasma mass spectrometry (LA ICP-MS) U- Pb zircon ages of the granitic rocks, dykes and mineralized quartz veins in the studied area reveal its magmatic and mineralized history. The mineralized quartz veins contain inherited zircons with ages of about 2.55 Ga and 1.84 Ga, probably coming from the basement. These two Precambrian events are coeval with those in other parts of the NCC. The Mapeng granitoid stock, the largest intrusion in the area, was emplaced at ca. 130 Ma, and is coeval with magmatic zircon populations from diorites and quartz diorite pophyrites in the same region. The ca. 130 Ma magmatism and gold mineralization were most likely related to an underplating event that took place in the Taihang orogen at Late Mesozoic. The timing of gold mineralization with respect to felsic magmatism in the area is similar to those observed in other major gold-producing provinces in the NCC. This episode is simultaneous with those in the eastern margin of NCC, indicative of a widespread late Yanshanian metallogenic event that was a response to the Early Cretaceous lithosphere in the eastern NCC, in which the mesothermal gold deposits were formed from similar tectono-magmatic environments. | CAO Ye LI Shengrong XIONG Xianxiao LI Zhenzhen LIU Xiaobin YAO Meijuan ZHANG Huafeng | 2012 | Acta Geologica Sinica(English Edition)2012，86，5： | 8 |
| 9 | Design of freeform geometries in a MEMS accelerometer with a mechanical motion preamplifier based on a genetic algorithm显示文摘This paper describes a novel,semiautomated design methodology based on a genetic algorithm(GA)using freeform geometries for microelectromechanical systems(MEMS)devices.The proposed method can design MEMS devices comprising freeform geometries and optimize such MEMS devices to provide high sensitivity,large bandwidth,and large fabrication tolerances.The proposed method does not require much computation time or memory.The use of freeform geometries allows more degrees of freedom in the design process,improving the diversity and performance of MEMS devices.A MEMS accelerometer comprising a mechanical motion amplifier is presented to demonstrate the effectiveness of the design approach.Experimental results show an improvement in the product of sensitivity and bandwidth by 100%and a sensitivity improvement by 141%compared to the case of a device designed with conventional orthogonal shapes.Furthermore,excellent immunities to fabrication tolerance and parameter mismatch are achieved. | Chen Wang Xiaoxiao Song Weidong Fang Fang Chen Ioannis Zeimpekis Yuan Wang Aojie Quan Jian Bai Huafeng Liu Gerold Schropfer Chris Welham Michael Kraft | 2020 | Microsystems & Nanoengineering2020，6，1： | 6 |
| 10 | Text Detection in Natural Scene Images Using Morphological Component Analysis and Laplacian Dictionary显示文摘Text in natural scene images usually carries abundant semantic information. However, due to variations of text and complexity of background, detecting text in scene images becomes a critical and challenging task. In this paper, we present a novel method to detect text from scene images. Firstly, we decompose scene images into background and text components using morphological component analysis(MCA), which will reduce the adverse effects of complex backgrounds on the detection results.In order to improve the performance of image decomposition,two discriminative dictionaries of background and text are learned from the training samples. Moreover, Laplacian sparse regularization is introduced into our proposed dictionary learning method which improves discrimination of dictionary. Based on the text dictionary and the sparse-representation coefficients of text, we can construct the text component. After that, the text in the query image can be detected by applying certain heuristic rules. The results of experiments show the effectiveness of the proposed method. | Shuping Liu Yantuan Xian Huafeng Li Zhengtao Yu | 2020 | IEEE/CAA Journal of Automatica Sinica2020，7，1： | 6 |
| 11 | Laser probe ^(40)Ar/^(39)Ar dating for quartz from auriferous quartz veins in the Shihu gold deposit,western Hebei Province,North China显示文摘The Shihu gold deposit is situated in the central shear zone of the Meso-Cenozoic Fuping metamorphic core complex in the middle-northern part of the Taihang Mountains.This kind of gold deposits named after 'Shihu type' widely occurs in this region.Gold-bearing quartz veins are their most important industrial orebodies.Detailed laser 40Ar/39Ar geochronology of the mineralized quartz veins in the study area reveals details of its tectono-magmatic history.The 40Ar/39Ar ages for the quartz are between 134.4 Ma and 155.9 Ma with a mean age of 141±4 Ma on the isochron line and 139±7 Ma on the inverse isochron line,respectively,which is interpreted to be the best estimate of the crystalline age of the quartz veins.The gold mineralization was most likely related to an underplating event that took place in the northern part of the Taihang Mountain at ca.140 Ma.The timing of gold mineralization in the area is similar to those observed in other major gold-producing provinces in the NCC.This episode is simultaneous with those in the eastern NCC,indicative of a widespread late Yanshanian metallogenic event that was a response either to the subduction of the Izanagi-Pacific plate beneath eastern China or to the removal of the Early Cretaceous lithosphere in the eastern NCC.The ore-forming material sources may be the Early Precambrian metamorphic basement,instead of intermediate-acid rock bodies and dykes. | CAO Ye LI Shengrong ZHANG Huafeng AO Chong LI Zhenzhen LIU Xiaobin | 2010 | Chinese Journal Of Geochemistry2010，29，4： | 5 |
| 12 | Networking retinomorphic sensor with memristive crossbar for brain-inspired visual perception显示文摘Compared to human vision,conventional machine vision composed of an image sensor and processor suffers from high latency and large power consumption due to physically separated image sensing and processing.A neuromorphic vision system with brain-inspired visual perception provides a promising solution to the problem.Here we propose and demonstrate a prototype neuromorphic vision system by networking a retinomorphic sensor with a memristive crossbar.We fabricate the retinomorphic sensor by using WSe_(2)/h-BN/Al_(2)O_(3)van der Waals heterostructures with gate-tunable photoresponses,to closely mimic the human retinal capabilities in simultaneously sensing and processing images.We then network the sensor with a large-scale Pt/Ta/Hf O_(2)/Ta one-transistor-one-resistor(1 T1 R)memristive crossbar,which plays a similar role to the visual cortex in the human brain.The realized neuromorphic vision system allows for fast letter recognition and object tracking,indicating the capabilities of image sensing,processing and recognition in the full analog regime.Our work suggests that such a neuromorphic vision system may open up unprecedented opportunities in future visual perception applications. | Shuang Wang Chen-Yu Wang Pengfei Wang Cong Wang Zhu-An Li Chen Pan Yitong Dai Anyuan Gao Chuan Liu Jian Liu Huafeng Yang Xiaowei Liu Bin Cheng Kunji Chen Zhenlin Wang Kenji Watanabe Takashi Taniguchi Shi-Jun Liang Feng Miao | 2021 | National Science Review2021，8，2： | 5 |
| 13 | Immunologic Response After Laparoscopic Colon Cancer Operation Within an Enhanced Recovery Program显示文摘 | Gang Wang Zhiwei Jiang Kun Zhao Guoli Li Fengtao Liu Huafeng Pan Jieshou Li | 2012 | Journal of Gastrointestinal Surgery2012，，7： | 5 |
| 14 | A comparative study of magnetic properties between whole cells and isolated magnetosomes of Magnetospirillum magneticum AMB-1显示文摘The magnetic properties of magnetosome magnetite are of interdisciplinary interest because magnetosomes are potential carriers of natural remanent magnetization and paleoenvironment, as well as novel nano-biomaterials in biotechnological and biomedical applications. We carried out magnetic and electron transmission microscopy analyses of fresh Magnetospirillum magneticum AMB-1 whole cells and isolated magnetosomes. Results revealed that AMB-1 synthesized single-domain magnetite magneto-somes, which are arranged in the form of linear fragmental chain. The distinct differences of magnetic properties between these two samples can be faithfully interpreted in terms of spatial arrangement of magnetosomes and magnetostatic interaction. For the whole cells, the strong intra-chain interactions and weak inter-chain interactions generate behaviors of non-interacting uniaxial single-domain particles. Its δ-ratio is 3.0 and passes the Moskowitz test. In contrast, the isolated magnetosome sample has reduced values of coercivity and δ-ratio (1.5), due to increasing three-dimensional magnetostatic interactions and collapse of magneto-some chains. These observations provide useful insights into applications of the biogenic magnetite (magnetosomes) in magnetic nano-materials and magnetofossils in the paleomagnetic and environmental magnetism. | LI JinHua PAN YongXin LIU QingSong QIN HuaFeng DENG ChengLong CHE RenChao YANG XinAn | 2010 | Chinese Science Bulletin2010，55，1： | 3 |
| 15 | An efficient energy aware virtual network migration based on genetic algorithm显示文摘1 Introduction The network virtualization has attached lots of attention from researchers. Most of the prior studies aim at designing embedding solutions for the VN requests to maximize the revenue for infrastructure providers (InPs) while rarely focusing on the energy costs, which is a vital component. Several proposed energy saving methods focus on the energy optimization when the VN requests arrive. However, since the VN requests arrive and depart dynamically and therefore the resource of physical network changes, this optimization needs to be re-optimized. Figure 1 illustrates this context. | Peng XU Xu LIU Huafeng CAO Zhongbao ZHANG | 2019 | Frontiers of Computer Science2019，13，2： | 3 |
| 16 | Enhancement of oral bioavailability and anti-Parkinsonian efficacy of resveratrol through a nanocrystal formulation显示文摘Resveratrol(RES),a non-flavonoid polyphenol extracted from a wide variety of plants,exhibits neuroprotective activities against Parkinson’s disease(PD).However,undesirable water solubility of RES reduces its oral bioavailability and demonstrates lowefficacy in blood and brain,thus limiting its application.In present study,a nanocrystal formulation of RES(RES-NCs)was developed to enhance its oral bioavailability and delivery into brain for PD treatment.RES-NCs were fabricated with hydroxypropyl methylcellulose(HPMC)stabilizer via antisolvent precipitation approach.The obtained RES-NCs displayed the particle size of 222.54±1.66 nm,the PDI of 0.125±0.035,the zeta potential of−9.41±0.37mV,and a rapid in vitro dissolution rate.Molecular dynamics simulation of RES and HPMC revealed an interaction energy of−68.09 kJ/mol and a binding energy of−30.98±0.388 kJ/mol,indicating that the spontaneous binding between the two molecules is through van der Waals forces.RES-NCs conferred enhanced cellular uptake as well as improved permeability relative to pure RES.In addition,RES-NCs were able to protect neurons against cytotoxicity induced by MPP+.Meanwhile,RES-NCs exerted no significant toxic effects on zebrafish embryos and larvae,and did not influence their survival and hatching rates.When orally administered to rats,RES-NCs exhibited more favorable pharmacokinetics than pure RES,with higher plasma and brain concentrations.More importantly,MPTP-induced PD mice showed notable improvements in behavior,attenuated dopamine deficiency,and elevated levels of dopamine and its metabolites after the treatment with RES-NCs.Furthermore,immunoblot analysis revealed that the neuroprotective role of RES-NCsmay be at least partially mediated by Akt/Gsk3βsignaling pathway.Taken altogether,RES-NCs can serve as a potential treatment modality for PD,offering means of improving RES oral bioavailability and brain accumulation. | Sha Xiong Wei Liu Yile Zhou Yousheng Mo Yao Liu Xiaojia Chen Huafeng Pan Dongsheng Yuan QiWang Tongkai Chen | 2020 | Asian Journal of Pharmaceutical Sciences2020，15，4： | 3 |
| 17 | Detection of Variants of B.1.617 Lineage from Five Returning Chinese Nationals at a Guangxi-Vietnam Border Port——Guangxi Zhuang Autonomous Region,China,April 2021显示文摘A 47-year-old male(Patient A)passenger from Vietnam whose nucleic acid results for coronavirus disease 2019(COVID-19),also known as severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),were positive at Pingxiang Customs on April 29,2021,and subsequently confirmed by Guangxi CDC laboratories on April 30. | Ning Kang Yinpin Liu Fuyin Bi Jing Wang Huafeng Chen Jing Wang Zhenli Liang Min Chen Guangwu Wei Aiming Li Yonghong Li Bao Lu Zhenling Jiang Yi Tan Ge Zhong Mei Lin Yu Ju | 2021 | China CDC weekly2021，3，30： | 3 |
| 18 | Reassessment of the Distribution of Mantle CO_(2) in the Bohai Sea,China:The Perspective from the Source and Pathway System显示文摘Research on the distribution of mantle CO_(2)should involve comprehensive analysis from CO_(2)source to accumulation.The crust-mantle pathway system is the key controlling factor of the distribution of mantle CO_(2),but has received little attention.The pathway system and controlling factors of CO_(2)distribution in the Bohai Sea are analyzed using data on fault styles and information on the mantle and lithosphere.The relation between volcanic rocks and the distribution of mantle CO_(2)is reassessed using age data for CO_(2)accumulations.The distribution of mantle CO_(2)is controlled by uplift of the asthenosphere and upper mantle,magma conduits in the mantle and fault systems in the crust.Uplifted regions of the asthenosphere are accumulation areas for CO_(2).The area with uplift of the Moho exhibits accumulation of mantle CO_(2)at depth.CO_(2)was mainly derived from vertical migration through the upper mantle and lower crust.The fault style in the upper crust controls the distance of horizontal migration and the locations of CO_(2)concentrations.The distribution of mantle CO_(2)and volcanic rocks are not the same,but both probably followed the same pathways sometimes.Mantle CO_(2)in the Bohai Sea is concentrated in the Bozhong sag and the surrounding area,particularly in a trap that formed before 5.1 Ma and is connected to crustal faults(the Bozhang faults)and lithospheric faults(the Tanlu faults). | TANG Huafeng GUO Tianchan WU Keqiang LIU Zilin XU Jianyong LU Baoliang WANG Pujun | 2022 | Acta Geologica Sinica(English Edition)2022，96，1： | 2 |
| 19 | Design of a large-range rotary microgripper with freeform geometries using a genetic algorithm显示文摘This paper describes a novel electrostatically actuated microgripper with freeform geometries designed by a genetic algorithm.This new semiautomated design methodology is capable of designing near-optimal MEMS devices that are robust to fabrication tolerances.The use of freeform geometries designed by a genetic algorithm significantly improves the performance of the microgripper.An experiment shows that the designed microgripper has a large displacement(91.5μm)with a low actuation voltage(47.5 V),which agrees well with the theory.The microgripper has a large actuation displacement and can handle micro-objects with a size from 10 to 100μm.A grasping experiment on human hair with a diameter of 77μm was performed to prove the functionality of the gripper.The result confirmed the superior performance of the new design methodology enabling freeform geometries.This design method can also be extended to the design of many other MEMS devices. | Chen Wang Yuan Wang Weidong Fang Xiaoxiao Song Aojie Quan Michiel Gidts Hemin Zhang Huafeng Liu Jian Bai Sina Sadeghpour Michael Kraft | 2022 | Microsystems & Nanoengineering2022，8，1： | 2 |
| 20 | A high-sensitivity MEMS gravimeter with a largedynamic range显示文摘Precise measurement of variations in the local gravitational acceleration is valuable for natural hazard forecasting,prospecting,and geophysical studies.Common issues of the present gravimetry technologies include their high cost,high mass,and large volume,which can potentially be solved by micro-electromechanical-system(MEMS)technology.However,the reported MEMS gravimeter does not have a high sensitivity and a large dynamic range comparable with those of the present commercial gravimeters,lowering its practicability and ruling out worldwide deployment.In this paper,we introduce a more practical MEMS gravimeter that has a higher sensitivity of 8μGal/√Hz and a larger dynamic range of 8000 mGal by using an advanced suspension design and a customized optical displacement transducer.The proposed MEMS gravimeter has performed the co-site earth tides measurement with a commercial superconducting gravimeter GWR iGrav with the results showing a correlation coefficient of 0.91. | Shihao Tang Huafeng Liu Shitao Yan Xiaochao Xu Wenjie Wu Ji Fan Jinquan Liu Chenyuan Hu Liangcheng Tu | 2019 | Microsystems & Nanoengineering2019，5，1： | 2 |
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