在小的轴向拉伸下,扶手椅型碳纳米管仍然是良好的导体,但其费米波矢、费米点及费米面处的有效质量都发生了变化。
It is found that under little axial strain, armchair carbon nanotubes are still conductors, but Fermi wave vector, Fermi dot and the effective mass near Fermi face are changed.
介绍了螺旋焊管成型器内压辊斜置小辊线接触辊型的设计方法(经验公式设计法)。
The article introduces the design methods of contact roller of internal press roller of forming machine of SSAW pipe mill(experience formula design).
采用图案电极的静电聚焦静电偏转(SS型)摄像管,具有功耗低、扫描频率可变、分辨率高、体积小和重量轻等优点。
All electronic SS type camera tube is characterized by its low expense of power, variable scan frequency, high resolution, small size and light weight.
提出把管状腺癌分为大腺管型和小腺管型两个亚型;
The tubular adenocarcinoma may be divided into two subtypes: the large tubular adenocarcinoma and the small tubular adenocarcinoma.
采用防水型加速度计,在不同工况下测定洗涤冷却管的振动信号,并用小波变换分析信号;讨论了表观气速和静态液位对小波功率谱的影响,分析了冷却管振动的原因。
The effect of superficial gas velocity and static water height on the wavelet power spectrum is dis- cussed and the vibration mechanism of the tube is analyzed.
肾间质水肿伴炎症细胞浸润,部分小管上皮细胞变性、坏死并见管型,死亡率2 0 %。
The histologic changes of renal tissue were interstitial edema with inflammatory cellular infiltration, denaturalization and necrosis in some tubular epithelia. LPS caused 20% rats death.
物理性能:单散孔,含树胶沉积物,侵填体丰富,导管与射线间纹孔小,轴向薄壁组织为傍管型,主为聚翼状,带状也常见。
Physical properties: a single scattering holes, including gum sediments, tylosis rich, catheter and ray pits between small, axial parenchyma as paratracheal type, main poly of, ribbon is also common.
枪体是圆形直管型,可以方便的进行全密封,而且外形小,重量轻,寿命长。
A gun body is a circular straight pipe which can be convenient to be fully sealed, however, it has the advantages of small appearance, light in weight and long lifetime.
枪体是圆形直管型,可以方便的进行全密封,而且外形小,重量轻,寿命长。
A gun body is a circular straight pipe which can be convenient to be fully sealed, however, it has the advantages of small appearance, light in weight and long lifetime.
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