Xiaoqinling District is an important gold-producing area in China. It ranks second to Jiaodong with regard to gold deposits. The uprising period of the Wenyu granitic pluton and the wall-rocks of the deposit, as well as the mineralizing depth and reserved place of gold ore bodies, are significant to ore exploration. Fission-track (FT) analysis of zircons and apatites of granitic rocks from the Wenyu granitic pluton shows that apatite FT (AFT) data modeling indicates a rapid cooling rate of 20°C/Ma from 138 to 120 Ma after emplacement at 138 Ma. Thermal evolution and inversion curves suggest a secondary phase of fast cooling and uprising from 45 to 35 Ma, and 35 Ma, respectively, with a cooling rate of 6.7°C/Ma and a denudation quantity of ~4.3 km. The last cooling phase took place from <4 Ma, with an average cooling rate of ~11.3°C/Ma and a denudation amount of 1.3 km. Total exhumation quantity of 5.6 km and uprising elevation of 7.3 km are similar to the estimated results of fluid inclusions from the Dongtongyu and Wenyu gold deposits. The 39 Ar/ 40 Ar dating of sericite from the fault planes of the Xunmadao-Xiaohe and Taiyao faults demonstrate two uprising activities of the ore-host metamorphic complex. The Huashan and Wenyu granitic plutons intensively occurred during 77 and 45 Ma, respectively. These data sets are valuable for understanding the uplifting process and for preserving gold ore bodies in the Xiaoqinling area, as well as for further studies on tectonic evolutions of the Taihua Complex and the Qinling-Dabie Orogen.
A1C and glycemic variability were both associated with β cell function in patients with newly diagnosed type 2 diabetes. The main limitations of the present study are the cross-sectional design in nature and the limited sample size.
Deviation rectification of buildings is an arduous task because of its technical difficulty and high risk. So far, the theory of deviation rectification and reinforcement is still incomplete and need to further improvement. In order to investigate the mechanism and construction methods of deviation rectification and reinforcement of buildings, first the paper addressed damage status of inclined buildings in a residential area. And then the causes leading to buildings inclining were analyzed in three aspects. Subsequently, the key construction technologies of rectification and reinforcement were demonstrated. Next, the mechanism of rectifying process was analyzed, and the formula to calculate the amount of steel pipe pile used for deviation rectification and reinforcement was presented. On the basis of research above, some remarkable conclusions are acquired for the engineering rectification and reinforcement, which provide helpful reference information for the similar building rectification engineering.
Hybrid clouds integrate different cloud solutions. Its inherent complexity and short of standard urge for a careful analysis, systematizing and understanding of monitoring. In this context, this paper provides a deep insight into hybrid cloud monitoring. It proposes a layered monitoring model for hybrid clouds, identifying the multiple layers of monitoring, focusing on physical infrastructure layer, virtual infrastructure layer, network, application/service layer, while combining the perspectives of service providers and clients. This process involves the identification of relevant parameters and metrics for each layer. Due to its flexibiliity and intelligence, using Agent technology, an agent-based monitoring architecture is presented. It enables to eliminate the complexity among different cloud platforms.This study contributes to achieve a clearer and more efficient approach to hybrid cloud monitoring.
Cloud Computing has recently been recognized as one of the most emerging technology. A considerable amount of research has been carried out to explore different areas in Cloud Computing. This paper focuses on the QoS and new trends in cloud computing based on extant information systems literature, industry reports, and practical experience reflections. Additionally, it highlights the significance of DNS (Domain Name System) cloud computing QoS (Quality of Service) and its implications for practitioner and academics. This paper aims also to create higher performance and reliability, ensuring no DNS-related outages that could lead to poor customer experience and churn. Latency can also be reduced by ensuring adequate capacity as close as possible to the user. It concludes by outlining the opportunities associated with the development of Cloud Computing. Additionally, this type of technology needs more development and improvement in Saudi Arabia.
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