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66.008  Articles
1 of 6.602 pages  |  10  records  |  more records»


The most important consideration in designing protocols for wireless sensor networks is the energy constraint of nodes because in most cases battery recharging is inconvenient or impossible. Therefore, many researches have been done to overcome this demer... see more

Extending the lifetime of the energy constrained wireless sensor networks is a crucial challenge in wireless sensor networks (WSNs) research. When designing a WSN infrastructure Resource limitations have to be taken into account. The inherent problem in W... see more

Chinese interest in Henrik Ibsen’s plays has flourished for more than a century and many of his plays have been performed on or adapted for the Chinese stage since the early twentieth century. However, attempts to adapt his plays for the traditional Chine... see more


In this paper investigates the performance, analysis of amplify and forward (AF) cooperative networks with the relay selection over  Nakagami-m and Rayleigh fading channels and  M-ary phase shift keying (MPSK) modulations. New closed form expr... see more

Objective: To evaluate the effects of cognitive-behavioral therapy on psychological resilience, social adaptation and clinical efficacy in patients with bone tumors.Methods: This is a retrospective study. Eighty patients with bone tumor admitted to Baodin... see more

Objective: To analyze changes in retrobulbar blood flow in patients with pathological myopia using color doppler ultrasound (CDU), and to explore the relationship of these changes with the characteristic changes resulting from myopia.Methods: One hundred ... see more

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