双碳

双碳源单细胞蛋白高密度培养

High Cell Density Cultivation of SCP with Double Carbon Sources

对单晶硅里双碳中心经退火后的光谱研究

Optical spectra of di-carbon center after annealing in silicon monocrystal

双碳源交替刺激毕赤酵母高效表达人尿激酶原

High Expression of Human Pro-urokinase Gene in Pichia pastoris Through Feeding Two Carbon Sources Alternatively

结果表明：用0.9%几丁质和3.0%葡萄糖作为双碳源时几丁质酶的产量最高达0.192U/mL，高于单独使用葡萄糖或几丁质作为碳源时的最高产量；

The results indicated that the highest activity of chitinase was 0.192 U / mL using 0.9 % chitin and 3.0 % glucose as double carbons source in the medium , which was higher than those using chitin or glucose as the sole carbon source .

后路单双枚碳纤维cage联合椎弓根螺钉治疗腰椎滑脱症的疗效比较

The comparison of therapeutic efficacy between single and two pieces of carbon fiber cage combined with pedicle screw fixation for the treatment of lumbar spondylolisthesis

并应用ANT模型，对单壁碳纳米管的弯曲、屈曲、波传导和自由振动特性进行了详细的分析，同时还对双壁碳纳米管的波传导行为进行了讨论。

Based on ANT models , the mechanical behaviors about bending , buckling , wave propagation and free vibration of single-walled carbon nanotubes and the wave propagation of double-walled carbon nanotubes are analyzed in this thesis .

同时样品的拉曼光谱和傅里叶变换红外光谱表明：经微波处理后的双壁碳纳米管表面产生大量的缺陷或功能团，这些官能团是导致Pt纳米粒子沿着双壁碳纳米管骨架成核与生长的关键因素。

The Raman spectrum and Fourier transform infrared ( FTIR ) spectrum show the introduction of defects or functional groups on CNTs surface , which are crucial factors to assist the nucleation and growth of Pt NPs along the skeleton of CNTs .

因此，对比了多壁碳纳米管（MCNTs）、双壁碳纳米管（DWCNTs）和定向碳纳米管（ACNTs）作为载体的负载效果。

So the effects of ceria nanoparticles on multi-walled carbon nanotubes ( MCNTs ), double-walled carbon nanotubes ( DWCNTs ) and aligned carbon nanotubes ( ACNTs ) were discussed .

利用分子动力学方法，对双壁碳纳米管在拉伸条件下的弹性性能进行模拟，研究了直径在1nm以上的4根双壁碳纳米管，模拟了它们的应力-应变关系以及泊松比。

The stress versus strain relations and the Poisson 's ratios under tension of 4 double-walled carbon nanotubes ( DWCNTs ) with diameters greater than 1 nm were numerically studied with the molecular dynamics method .

双壁碳纳米管宏观体及其复合材料的力学性能研究

Study on Mechanical Properties of Double-walled Carbon Nanotube Macrostructures and Relative Composites

双壁碳纳米管合成及研究进展

Progresses of Synthesis and Investigation on Double-wall of carbon nanotubes

单壁与双壁碳纳米管的物理特性研究

Research on Physical Properties of Single-walled Carbon Nanotubes and Double-walled Carbon Nanotubes

双壁碳纳米管转动阻尼特性和承载能力的计算分析

Calculating and Analyzing the Damping Properties and Carrying Capacities of Double-walled Carbon Nanotubes

新型电流型传感器&双柱碳纤维微电极

Novel Amperometric Sensor & Dual Carbon Fiber Microelectrodes

埃尔米特插值多项式双掺杂碳纳米管电子场发射性能的密度泛函研究

Density functional theoretical studies of electron field emission properties of double doped carbon nanotube

本文报道了双柱碳纤维微电极的研究及应用。

The present paper covers the investigation and application of dual carbon fiber microelectrodes .

公度双壁碳纳米管层间耦合对其场发射特性影响的研究

The effect of interwall coupling interaction on the field emission characteristics of commensurate double-walled carbon nanotubes

考虑范德华力曲率效应的双壁碳纳米管外压屈曲

Curvature Effect of Van Der Waals Forces on Buckling of Double-Walled Carbon Nanotubes under External Pressure

碳纳米管波传导特性显示，无论是单壁还是双壁碳纳米管，其高频波传导受到非局部效应的阻尼。

The wave propagation analysis of carbon nanotubes shows the nonlocal effect damp the high frequency wave propagation .

自旋捕捉剂，α，ω-双（碳-芳基硝酮）烷的合成

The synthesis of α,ω - Bis ( c-Arylnitrone ) - Alkanes : A New Class of Spin Traps

双探测器碳氧比测井技术及其应用

Carbonate and Oxygen Ratio ( C / O ) Logging Technology by Using Double Detectors and Its Application

结果表明：碰撞使两个石墨烯片与单壁碳纳米管形成双壁碳纳米管的结构。再通过碰撞，双壁碳纳米管又与两个石墨烯片形成三壁碳纳米管。

It is found that a double-walled carbon nanotube obtained first , and then a three-walled carbon nanotube obtained .

这种交叉耦合结构还能阻止管壁的滑移，双壁碳纳米管的力学性能将得到增强。

The cross coupling can also stop the slip of walls , so the mechanical properties of carbon nanotubes will be enhanced .

大口径双弯曲碳纤维天线具有重量轻、刚强度高和曲面精度高等特点，适合应用于对重量控制要求严格的机载、球载雷达系统中。

The large double curved reflector CFRP antenna is characterized by light weight , high strength and rigidity , high surface precision and so on .

针对双壁碳纳米管外压屈曲问题，研究了层间范德华力的曲率效应对临界外压的影响。

The curvature effects of interlayer van der Waals ( vdW ) forces on external pressure-induced buckling of a double-walled carbon nanotubes ( DWNTs ) were studied .

本文使用分子动力学方法，研究了双壁碳纳米管中层间范德华相互作用对碳管的力学行为的影响。

By molecular dynamics simulations , the influence of interlayer van der Waals interaction on the mechanical behavior of double-walled carbon nanotubes ( DWCNTs ) is examined in the present dissertation .

对于双壁碳纳米管，管层间的范德华力对截断频率具有显著的影响，而小尺度因子并不影响碳纳米管的截断频率。

For double-walled CNTs , it is found that the vander Waals ( vdW ) force between two tubes has significant effects on the cut-off frequency , while scale parameters do not .

通过施加不同性质的外力，使单壁和双壁碳纳米管产生压缩、弯曲和扭转变形。研究了在这些基本变形下的位移、应力以及应变。

Displacements , stresses and strains are obtained when the carbon nanotube is pressured , bent and twisted by applying different forces on the single-walled carbon nanotube and double-walled carbon nanotube , respectively .

研究了一类两自由度耦合双壁碳纳米管的强非线性振动问题，考察了具体参数取值情况下阻尼系数和激振力对于振动幅值的影响。

⑵ The procedure also be used to analyze strongly nonlinear vibration of a class of coupled double-walled carbon nanotube with two degree of freedom , and then the influence of exciting force and viscous damping coefficient on vibration amplitude were discussed .

对于双壁碳纳米管，存在着两种不同波速的弹性波，其截断频率与层间范德华力有关，当存在弹性介质时也与弹性介质有关，但与碳纳米管的小尺度因子无关。

For double-walled CNTs , there are two wave speeds for the acoustic and optical modes , and the cut-off frequency is dependent on the van der Waals ( vdW ) force between two tubes and the surrounding medium when it is present , but independent of the scale parameters .