Our peers are the selection pressure as we struggle to pass our memes on to the next generation.
当我们努力将自己的基因传给下一代的时候,我们的同类就是这个“选择”的压力。
Selection pressure for this efficient style of locomotion favored longer and more flexible spinal columns.
受天择压力,他们朝向耗能较少的移动模式演化,因而脊椎柱更长,更灵活。
The main drivers of resistance rates are not new mutations but rather antimicrobial selection pressure and transmission.
耐药比率的主要驱动因素不是新的突变,而是抗菌素的选择压力和耐药微生物的传播。
Removal of selection pressure revealed that the resistance of CA-R was unstable and RF decreased by 63.2% after 5 successive generations.
该抗性品系对气调的抗性不太稳定,在无选择压力的情况下经室内5代饲养,抗性衰退了63.2%。
The selection pressure at the translation level is evident in all bacteria based on the analysis of the skew at the three codon positions.
基于三个转录子位置的碱基组态分析,转译层次上的筛选效应存在于所有的细菌当中。
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。
And it could also improve our take on evolutionary dynamics, in systems that apparently experience selection pressure at both the individual and group levels.
当个体与群组经历选择压力的时候,它们的进化动力真是让我们大开眼界。
In this paper sugarcane callus was cultured in vitro on the medium with smut toxin filter solution which was used as selection pressure in this experiment.
本试验采用甘蔗愈伤组织作离体培养,在培养基中加入甘蔗黑穗病粗毒素滤液为选择压力。
And it could also improve our take on evolutionary dynamics in systems that apparently experience selection pressure at both the individual and group levels.
而且对于在个体和群体层面都显然经受选择压力的系统,该研究结果还能增进我们对进化动力学的理解。
The descendants of long-time urban dwellers show increased genetically-driven resistance to tuberculosis, due to evolutionary selection pressure over millennia.
长期生活在城市的居民,其后代的遗传基因里,对肺结核的抵抗力更强。
The disturbance weaken the selection pressure of the algorithm. When the disturbance has larger scale and shorter cycle, the algorithm has smaller selection pressure.
灾变的发生使整个算法的选择压力降低,当灾变规模越大、周期越短,算法的选择压力也就越小。
Furthermore, when he dissected the genes of these mutated bacteria by sequencing them, he found mutations in no areas other than the one where there was selection pressure.
不止如此,当他通过对这些突变细菌的基因测序并将其分离出来之后,发现只有那些有选择压力的领域发生了突变。
The descendants of long-time urban dwellers show increased genetically-driven resistance to tuberculosis, due to evolutionary selection pressure over millennia. Christopher Intagliata reports.
长期生活在城市的居民,其后代的遗传基因里,对肺结核的抵抗力更强。究其原因,是几千年来城市生活进化选择的压力为人类所做出的贡献。
In response to the appearance of such variants in the cell population the concentration of the toxic chemical in the growth medium is increased, thus keeping the selection pressure constant.
为应对细胞污染中出现的变异,有毒物质的浓度是逐步增加的,以此保证筛选力度的稳定。
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。
The second theory reinforces the first, by combining the pressure for ever greater success with the selection of bosses ill-equipped to handle it.
关于这句我的看法:第二条理论是对第一条的补充。 除了面临不断进步带来的压力,选择了不适当的经营者是另一个原因。
Medical selection of medical grade pressure sensor is PVC, polycarbonate sensor manometry as a connecting pipe and the main material.
医用压力传感器是选用医用级聚氯乙烯、聚碳酸脂作为传感器的测压连接管和主体的材料。
Some examples of heavy herbivore pressure may help appreciation of the possible brevity of the selection process.
植食动物强大压力的一些事例可以帮助我们对选择过程的简略性有所了解。
The use of the code pressure equation and the definition and selection of terms are reviewed as you work through this tutorial.
通过本教程学习了使用规范中的压力方程及其定义和选择的条款。
He suggested that bees which make hexagonal cells evolved in steps from bees that made round cells, under pressure from natural selection to economise wax.
他认为,建筑六角形蜂房的蜜蜂是从建筑圆形蜂房的蜜蜂进化而来;是在节省蜡的自然选择压力下的几个进化阶段形成的。
Seals can be polymer materials, asbestos or rubber seal material selection depends on the valve components of the transmission medium, operating temperature, working pressure and flow rate.
密封件可以是高分子材料、石棉或橡胶,密封件材料的选择取决于阀门所输送的介质成分、工作温度、工作压力和流速。
The particle diameter selection then depends on the porosity, pressure drops, and plate strength.
合适颗粒直径的选择与孔隙率、压降和强度的要求有关。
Introduces the working principle and the method of the selection about the type ZY47 Valve controlled by the pressure difference, and analyses its adaption condition.
介绍了ZY 47型自力式压差控制阀的工作原理和选型方法,分析了不同被控环路系统的适用条件。
The study on clothing pressure will provide a useful guidance for apparel structure design, selection of material and manners of wearing of consumers.
服装压力的研究对于服装结构设计、材料选择、消费者着装方式等均有一定的指导意义。
This paper introduced control valve selection and its application based on the theory of flow characteristic, pressure drop, flashing, cavitation and noise.
针对调节阀的流量特性、压降、闪蒸、气蚀及噪音等问题介绍了调节阀在选型和应用中的要点。
Describe the structure characteristic and working principle of pressure seal swing check valve. Material selection and thrust ring design.
阐述了自压密封旋启式止回阀的结构特点、工作原理、材料选用和止推环设计。
As for the selection of throttle orifice, methods for calculating the number of orifice stages, pressure difference and orifice diameter are described as well.
介绍了选择节流孔板的计算方法,包括节流孔板级数、压力差和孔径的计算。
Such as operation program, selection of earth pressure, wall-back grouting, rectification of shield machine, which are used to reduce the effect of construction on environment, are analyzed in detail.
详细分析了掘进模式、土压力选择、壁后注浆、盾构纠偏等施工控制手段,用来减小盾构施工对周边环境的影响。
The pressure parts construction, design criteria of water wall, calculation procedure of water circulation and selection of critical parameters for controlled circulation boiler are introduced.
介绍了控制循环锅炉的结构特点,水冷壁等系统的设计准则,水循环系统设计的计算步骤及设计中关键数据的选取。
The pressure parts construction, design criteria of water wall, calculation procedure of water circulation and selection of critical parameters for controlled circulation boiler are introduced.
介绍了控制循环锅炉的结构特点,水冷壁等系统的设计准则,水循环系统设计的计算步骤及设计中关键数据的选取。
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