It is likely that the genes involved, which include genes that encode neuronal ion channels, have been subject to a positive selection pressure leading to an accelerated evolution of genetic changes.
与之其进化相关的基因,包括编码的神经离子通道的基因,可能受到了积极的选择压力,从而加速了基因变化的转变。
As we approach the next evolution in computing as ushered in by the iPad, Microsoft and Intel are under extraordinary pressure to recover in mobile.
当我们临近由iPad引领的下一代计算,微软和英特尔在移动领域面临着前所未有的压力。
Furthermore, since the evolution of conscious thought in humans, there is less selective pressure to have more developed infants at birth because of the increased ability to protect human infants.
此外,由于人类意识思维的进化,对产生发育更多的婴儿有较少的选择性压力,因为增加的能力可以保护人类婴儿。
It indicate that the organic maturation is of positive correlation with temperature and heating time, but pressure raise restrains maturation and evolution of organic matter.
说明有机质的成熟度与温度和加热时间成正相关,而压力增加抑制了有机质的成熟演化。
Under this critical condition, the cellular pattern, the velocity and maximum pressure along the wall and the wave evolution of marginal detonation were obtained.
在此临界条件下,获得了临界爆轰胞格结构、沿壁面的速度和峰值压力曲线及流场波系演变特征。
The origin and evolution of morality has a model and path. It is restricted, affected and selected by a kind of competition pressure and human being's cognition and rationality.
道德起源和演化具有一定范式和路径,面临一种被选择的竞争压力并受人的理性和认知水平的制约和影响。
At last, evolution of high pressure metamorphic belt is discussed.
最后讨论了本区高压变质带的成因演化。
For various flow patterns, the pressure evolution has the same tendency.
气体流量突变后,不同流型下其压力变化趋势相同。
Obvious overpressure constraint of deep source rock evolution was found through high temperature and pressure simulation experiment, natural thermal evolution and geological case studies.
热压模拟实验、烃源岩自然演化和勘探实例研究表明,深层烃源岩演化明显受到超压的抑制。
Fluid released during the high pressure and ultrahigh pressure metamorphism plays an important role in the evolution of subducted slab and may connect directly with igneous activity in island arcs.
在高压超高压变质作用过程中所释放的流体对俯冲板块的演化起着重要作用,与岛弧岩浆活动有着直接联系。
It was concluded that high internal pressure was caused by oxygen evolution of positive electrode and slow reducing rate of oxygen in negative electrode.
由此可以判定,内压升高的原因在于正极的析氧及负极氧还原速度的缓慢。
The activities of hot fluid flow exert a great influence on the tempo-pressure field in a basin and encourage the evolution of organic matter and generation of petroleum.
热流体活动可以改变盆地的温压场,对有机质演化和油气生成具有重要的强化作用。
The establishment of the paired high-pressure belts is of major significance for solving the problem of the geodynamic evolution of the boundary of the North China and Yangtze plates.
双高压变质带的确立对解决华北-扬子板块边界地球动力学演化问题具有重要意义。
The evolution of blank hold pressure is determined by the effect of work hardening and softening during deep drawing process.
单位压边强度随温度的变化规律与拉深成型过程中材料的软化与硬化作用有关。
The competition between bacteria and phages is not only the result of their own selection pressure, but also the dynamics of their co-evolution.
细菌与噬菌体间的竞争,不仅是自身选择压力的结果,也是彼此共进化的动力。
The evolution of wind pressure distribution and wind loads changing to semi-submersible platform on limit self-existence status are analyzed.
通过风洞模型试验,分析了深水半潜式海洋平台自存状态下的风压分布及风载荷变化规律。
The evolution of wind pressure distribution and wind loads changing to semi-submersible platform on limit self-existence status are analyzed.
通过风洞模型试验,分析了深水半潜式海洋平台自存状态下的风压分布及风载荷变化规律。
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