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| 1 | Trace Element Compositions of Pyrite from the Shuangwang Gold Breccias,Western Qinling Orogen,China:Implications for Deep Ore Prediction显示文摘The Shuangwang gold deposit, located in the Fengxian-Taibai fore-arc basin in the western Qinling Orogen of Central China, has yielded over 70 tons of gold. It is an orogenic gold deposit occurring in an NW-trending breccia belt. Most of the ores are hydrothermal breccia type containing fragments of adjacent strata cemented by ankerite and pyrite. Pyrite is the most abundant metallic mineral and the major gold-bearing mineral in the ores. A total of 58 pyrite samples from main ore bodies of the Shuangwang gold deposit have been analysed for 44 trace elements by HR-ICP-MS. Sb, Ba, Cu, Pb, Zn, Bi, Mo, Co are selected as indicator elements to investigate the potential usefulness of trace elements in pyrite as an indicator in gold exploration. The results show that the supra-ore halo elements Sb and Ba, which may have been more active than other near-ore halo elements and sub-ore halo elements, are best to characterize the shape of ore bodies. Five target areas are pointed out for deep ore exploration based on a comprehensive study of supra-ore, near-ore and sub-ore halos. This study provides evidence that trace elements in pyrite can be used to depict the deep extension of ore bodies and to vector towards undiscovered ore bodies. | Jianping Wang Zhenjiang Liu Jiajun Liu Xiangtao Zeng Kexin Wang Bizheng Liu Huan Wang Chonghao Liu Fangfang Zhang | 2018 | Journal of Earth Science2018，29，3： | 3 |
| 2 | Protein aggregation in association with delayed neuronal death in rat model of brain ischemia显示文摘To investigate the relationship between protein aggregation and delayed neuronal death,we adopted rat models of 20 min ischemia.Brain ischemia was produced using the 2-vessel occlusion(2VO)model in rats Light microscopy,transmission electronic microscopy and Western blot analysis were performed for morphological analysis of neurons,and protein detection.The results showed delayed neuronal death took place at 72 h after ischemia-reperfusion,protein aggregates formed at 4 h after reperfusion and reached the peak at 24 h after reper-fusion,and Western blot analysis was consistent with transmission electronic microscopy.We conclude that protein aggregation is one of the important factors leading to delayed neuronal death. | Pengfei GE Tianfei LUO Shuanglin FU Wenchen LI Chonghao WANG Chuibing ZHOU Yinan LUO | 2008 | Frontiers of Medicine2008，2，1： | 0 |
| 3 | Time-averaged sub-layer concentration profiles in oscillatory sheet flows显示文摘Although thin on the order of several to tens of millimeters, sheet flows normally comprise a lower pickup sub-layer and an upper contact-load sub-layer, separated at the bed level(z = 0). The time-averaged concentration profile in the pick-up sub-layer shows a 'convex upward' curvature, but 'concave upward'shape characterizes the time-averaged concentration profile in the contact-load sub-layer. The timedependent concentration in the contact-load sub-layer is approximately in-phase with the free stream flow velocity, whereas it is nearly in anti-phase with the free stream flow velocity, in the pick-up sublayer. Two distinct analytical expressions of the time-averaged concentration profiles for the respective sub-layers are proposed. The expressions are validated with detailed observation datasets collected in the Groper Wellenkanal(GWK) prototype wave flume in Hannover, Germany. The agreement between the predicted and the measured values is excellent. Interparticle collisions in the pick-up sub-layer and convective lifting processes associated with vortex shedding in the contact-load sub-layer are considered responsible for the opposite curvatures and in-phase/anti-phase concentration variations. Both transitional boundary and reference concentration are also elaborated. | Yuhai Wang Wenhong Cao Wen Lu Huifeng Liu Gauhu Sun Chonghao Wang Fei Liu | 2018 | International Journal of Sediment Research2018，33，4： | 0 |
| 4 | Chip-based quantum communications显示文摘Quantum communications aim to share encryption keys between the transmitters and receivers governed by the laws of quantum mechanics.Integrated quantum photonics offers significant advantages of dense integration,high stability and scalability,which enables a vital platform for the implementation of quantum information processing and quantum communications.This article reviews recent experimental progress and advances in the development of integrated quantum photonic devices and systems for quantum communications and quantum networks. | Qingqing Wang Yun Zheng Chonghao Zhai Xudong Li Qihuang Gong Jianwei Wang | 2021 | Journal of Semiconductors2021，42，9： | 0 |
| 5 | Rheological properties of peanut protein isolate aggregation suspension and acid-induced gel显示文摘The dynamic rheological properties of peanut protein isolate(PPI)suspension and acid-induced PPI gels were studied.In frequency sweep test,the storage modulus(G′)and the loss modulus(G″)of PPI aggregation suspensions at different concentrations increased with the increase of frequency.The steady state shear flow test showed that PPI aggregation suspension had a thinning behavior of the shear,and the image of steady shear curve fitted the Carreau model.After gel formation,acid-induced PPI gels showed a typical Type I behavior(strain thinning)in strain sweep test,meaning that PPI gel got easily broken down,and there was a very small opportunity for the protein molecules to re-establish the network.Compared with the strain sweep of PPI aggregation suspensions and gels,the range of the storage modulus existed a dramatic difference,which could get about tenfold.As the frequency increased,both elasticity and viscosity increased in frequency sweep test,which indicated that the frequency dependence of the storage modulus increased with the increase of concentration. | Zhigang Huang Xueying Wang Shangyi Chi Zhe Hua Chonghao Bi | 2021 | International Journal of Agricultural and Biological Engineering2021，14，3： | 0 |
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