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| 1 | Formation and evolution of the tertiary carbonate reefs in the Madura Strait Basin of Indonesia显示文摘Analysis of 2 D seismic data over 4 500 km in length from the Madura Strait Basin in the East Java Sea reveals seismic re?ection characteristics of reefs and associated sedimentary bodies, including asymmetrical or symmetrical dome re?ections, slope progradational re?ections, chaotic re?ections and discontinuous strong re?ections inside the reef, which onlap the ?ank of the reef. It is concluded that the developmental paleo-environment of most reefs is mainly conducive to shallow marine carbonate platform facies and platform margin facies, based on well core data, variations in seismic facies and strata thickness.The formation and evolution of all reefs are primarily in?uenced by the tectonic framework of the Madura Strait Basin. Platform margin reefs are principally controlled by two types of structures: one is a series of E-W trending Paleogene normal faults, and the other is an E-W trending Neogene inversion structures. In addition, wave actions, tidal currents and other ocean currents play an accelerated role in sorting, rounding and redeposition for the accumulation and evolution of reefs. Tertiary reefs in the MSB can be divided into four types: 1) an open platform coral reef of Late Oligocene to Early Miocene, 2) a platform margin coral reef controlled by normal faults in Late Oligocene to Early Miocene, 3) a platform margin Globigerina moundreef controlled by a 'hidden' inversion structure in Early Pliocene, and 4) a platform margin Globigerina mound-reef controlled by thrust faults in the early Pliocene. Patterns of the formation and evolution of reefs are also suggested. | RAN Weimin LUAN Xiwu LU Yintao LIU Hong YANG Jiajia ZHAO Yang HE Wenchang YAN Zhonghui | 2019 | Journal of Oceanology and Limnology2019，37，1： | 3 |
| 2 | Implementation of a TPM-Based Security Enhanced Browser Password Manager显示文摘In order to enhance the security of a browser password manager, we propose an approach based on a hardware trusted platform module(TPM). Our approach encrypts users' passwords with keys generated by the TPM, which uses a master password as the credential for authorization to access the TPM. Such a hardware-based feature may provide an efficient way to protect users' passwords. Experiment and evaluation results show that our approach performs well to defend against password stealing attack and brute force attack. Attackers cannot get passwords directly from the browser, therefore they will spend incredible time to obtain passwords. Besides, performance cost induced by our approach is acceptable. | HE Yuchen WANG Rui SHI Wenchang | 2016 | Wuhan University Journal of Natural Sciences2016，21，1： | 1 |
| 3 | Nanofiber self-consistent additive manufacturing process for 3D microfluidics显示文摘3D microfluidic devices have emerged as powerful platforms for analytical chemistry,biomedical sensors,and microscale fluid manipulation.3D printing technology,owing to its structural fabrication flexibility,has drawn extensive attention in the field of 3D microfluidics fabrication.However,the collapse of suspended structures and residues of sacrificial materials greatly restrict the application of this technology,especially for extremely narrow channel fabrication.In this paper,a 3D printing strategy named nanofiber self-consistent additive manufacturing(NSCAM)is proposed for integrated 3D microfluidic chip fabrication with porous nanofibers as supporting structures,which avoids the sacrificial layer release process.In the NSCAM process,electrospinning and electrohydrodynamic jet(E-jet)writing are alternately employed.The porous polyimide nanofiber mats formed by electrospinning are ingeniously applied as both supporting structures for the suspended layer and percolating media for liquid flow,while the polydimethylsiloxane E-jet writing ink printed on the nanofiber mats(named construction fluid in this paper)controllably permeates through the porous mats.After curing,the resultant construction fluid–nanofiber composites are formed as 3D channel walls.As a proof of concept,a microfluidic pressure-gain valve,which contains typical features of narrow channels and movable membranes,was fabricated,and the printed valve was totally closed under a control pressure of 45 kPa with a fast dynamic response of 52.6 ms,indicating the feasibility of NSCAM.Therefore,we believe NSCAM is a promising technique for manufacturing microdevices that include movable membrane cavities,pillar cavities,and porous scaffolds,showing broad applications in 3D microfluidics,soft robot drivers or sensors,and organ-on-a-chip systems. | Bin Qiu Xiaojun Chen Feng Xu Dongyang Wu Yike Zhou Wenchang Tu Hang Jin Gonghan He Songyue Chen Daoheng Sun | 2022 | Microsystems & Nanoengineering2022，8，5： | 0 |
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