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Androgens, which are mediated via the androgen receptor (AR), play important roles in normal follicular development and female fertility. However, just like a double-edged sword, besides the positive effects of androgen on follicular development, abnormal androgen levels, especially as in hyperandrogenism, seriously suppress normal follicular development. A crucial balance exists between the importance...
Epidemiological studies suggest that the impact of preeclampsia does not only affect the mother but also the children. We know that adverse events in utero may predispose individuals to premature cardiovascular disease in adulthood, but we do not know the mechanisms. To gain insights into the mechanisms of cardiovascular dysfunction in the offspring of preeclampsia, we employed a global stable isotope...
IPsec is also an important security protocol for next generation Internet (NGI) and it has become a hot topic in security communication research to increase IPsec's performance without any security decreasing. In this article, we analyze the implementation of IPsec's security policy database (SPD) and its searching method. We also proposed an optimized design for the SPD with hash table based on chaining...
Though the combination of IP multicast and VPN technology has realized efficient point-to-multipoint delivery and solved large-scale inter-domain multicast currently, it suffers from scalability problem on backbone with the rapid growth of the multicast services. This paper puts emphasis on studying L3 VPN multicast and proposes a solution for IP multicast VPN based on virtual routers. The key idea...
In this paper, On basis of analysis the characteristic of the Ad Hoc network, we have introduced a k-fold multicast network. This new network architecture can reduce the cost of the system and the energy. We researched the change situation of the node connection degree in this network and designed a workload balance algorithm. The simulation result indicated this algorithm can control the congestion...
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