Juanjuan Yan

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Poly[(R)-3-hydroxybutyrate-co-(R)-3-hydroxyvalerate] (PHBV) is a nature-derived polyester with potential application in tissue engineering scaffolds. However, PHBV is associated with disadvantages including high brittleness, slow degradation, high hydrophobicity, and unsatisfactory biocompatibility. In this study, we sought to improve the properties of PHBV(More)
The performance of a satellite-to-ground optical communication system with phase modulation is limited by phase fluctuations induced by atmospheric turbulence. To improve the system performance, one effective way is to use coherent detection. In this paper, a satellite-to-ground coherent optical communication system with differential quadrature phase-shift(More)
Struts framework based on MVC has brought the best code reuse and the legible code structure in entire system by far, but it has some problems such as complicated program, high coupling among layers and hard maintenance because its model part adopts JDBC to connect databases directly. The ORM characteristics of Hibernate make it simple and easy to implement(More)
The focus of this paper is to report a detailed investigation of dispersion compensated DWDM system with equal channel spacing incorporating pre-, postand symmetricaldispersion compensation techniques (DCF) with different optical pulses. The proposed high speed DWDM system is demonstrated with dispersive standard single-mode fiber (SSMF), which is(More)
A comparative study of a model, described based on the Model-View-Controller architecture paradigm which is built over the integration of the components and helps easy access of web services. MVC approach eases the horizontal development and maintenance of large scale distributed web applications in three frameworks. First is Big Blob framework, in this all(More)
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