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Scientists are refining our understanding of how light wavelengths affect the way plants develop their chloroplasts.Chloroplasts are the "engines" of plants. They use light from the sun and carbon dio...
Tiny muscles help bats fine-tune flight, stiffen wing skin
Tiny muscles bats fine-tune flight stiffen wing skin
2014/6/19
Bats appear to use a network of hair-thin muscles in their wing skin to control the stiffness and shape of their wings as they fly, according to a new study. The finding provides new insight about the...
HOUSTON – (Jan. 27, 2014) –Rice University scientists have created a way to interpret interactions among pairs of task-oriented proteins that relay signals. The goal is to learn how the proteins avoid...
Songbird genome shows how genes are involved in learning a tune（图）
Songbird genome genes a tune
2010/4/29
Scientists have announced that they have sequenced the genome of the zebra finch, the second bird genome to be sequenced after that of the chicken. The research published in Nature could help reveal t...
tune调制对储存环横向稳定性影响的模拟研究
tune调制 非线性六极场 动力学孔径
2009/7/10
对包含非线性六极场储存环的线性tune(Qx,Qy)加以余弦调制,通过计算粒子轨道沿相角畸变的动力学孔径,研究了tune调制对储存环中粒子运动横向稳定性的影响.从模拟结果可以看出,tune调制对粒子稳定性的影响是一种长期效应.当调制振幅很小、调制tune远离共振岛tune值时,对粒子稳定性的影响很小,随着调制振幅增大,调制tune接近共振岛tune,影响越来越明显.
Tune Shift Limitations for Linac-Ring Type Colliders
Tune Shift Limitations Linac-Ring Type Colliders
2010/4/19
Limitations on incoherent and beam-beam tune shift values are calculated by using gaussian beam distribution for linac-ring type ep colliders. The advantage of this machine is achievement of multi TeV...