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تعداد نتایج: 129942  

The main objective of this article is to optimize the walking pattern of a 2D humanoid robot with heel-off and toe-off motions in order to minimize the energy consumption and maximize the stability margin. To this end, at first, a gait planning method is introduced based on the ankle and hip joint position trajectories. Then, using these trajectories and the inverse kinematics, the position tra...

A. R. Azimian,

In this paper it is attempted to predict the off-design performance of a jet engine. After a review of the governing equations, the off-design performance is investigated by two methods. In the first method, the component characteristic curves of the Gas Turbines are used. In the second method some design point parameters and the reference state conditions are employed. The results obtained by ...

Journal: :Current Biology 2016
Anita Lüthi,

What are the synaptic drives controlling the sleep-wake circuitry in the mammalian brain? In a new study it was found that GABAergic cells in posterior lateral hypothalamus inhibit sleep-promoting anterior hypothalamic cells to cause waking, whereas their inhibition augments sleep.

1998
Kees van der Laan,

BLUe’s format is an independent set of TEX macros to assist self-publishing authors with creating, formatting, exchanging and maintaining compuscripts. It comes with a user’s guide and TEXnical documentation. The format builds upon manmac, upon functionalities provided in the TUGboat styles, and upon experience gained by the AMS in TEX formatting. off-off for the time being. The macros are shar...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده علوم 1387

چکیده ندارد.

Background: Every year millions of dollars are expended to equip and maintain the hospital sterilization centers, and our country is not an exception of this matter. According to this, it is important to use more effective technologies and methods in health system in order to reach more effectiveness and saving in costs. This study was conducted with the aim of evaluating the technology of regi...

A. R. Azimian,

In this paper it is attempted to predict the off-design performance of a jet engine. After a review of the governing equations, the off-design performance is investigated by two methods. In the first method, the component characteristic curves of the Gas Turbines are used. In the second method some design point parameters and the reference state conditions are employed. The results obtained by ...

Journal: :پژوهش حقوق عمومی 0
ناهید جوانمردی,

0

Journal: :Current Biology 2009
Hannah Robertson,

The world's largest parrot has proved a conservation challenge.

Journal: :Current Biology 2008
Nigel Williams,

Precisely this pattern is what Welch and Meselson found recently when they took a closer look at more DNA surrounding the hsp82 locus in bdelloids — the same gene that was initially assumed to harbour divergent 'Meselson effect' alleles. It turns out that the regions around the four copies of the hsp82 gene do come in two pairs. Between them, the pairs have four genes in common and the order an...

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