壁间的
- 与 壁间的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In this study we used a more accurate Kolmogorov-Crespi potential to describe the corrugation of the nanotubes.
第三,我们通过使用更加准确的Kolmogorov-Crespi势函数描述双壁碳纳米管的层间相互作用,研究了双壁碳纳米管的滑动和转动磨擦。
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The third way was deduced from the equation that the imaginary part of resistance is zero when it is.
通过在耦合微带谐振器对称面加电壁和磁壁法、用网络的转移矩阵计算插入损耗L法、以及滤波器谐振时回路的阻抗虚部为零的方法,推导了滤波器级间耦合系数的计算公式。
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Results In the medium and high dose F0 groups, it was observed that the atrophy and incrassation of seminiferous tubule, decrease of spermatogenesis, hyperplasia of interstitial tissue, especially in high dose groups spermatozoon abnormality and nucleolus concentration in the rats testis after DU ingestion for 14 months. The changes became more severe with the prolongation of DU ingestion. Such changes occurred in filial rats (F1) after DC ingestion for 5 months. In the medium and high dose F0 groups, it was observed that a little atrophy of kidney glomerulus, hyperplasia of interstitial tissue after DC ingestion for 14 months, and kidney glomerulus fibrosis happened after DC ingestion for 20 months, such changes occurred in filial rats (F1) after DC ingestion for 5 months In the medium and high dose F0 groups, splenic germinal center and periarterial lymphatic sheaths were hyperplasia , companies with lymphopoiesis after DC ingestion for 7 months, splenic white pulp became more small and sparse after DC ingestion for 20 months.
结果 F0代的中、高剂量组大鼠摄入贫铀14个月后可见雄性的精曲小管萎缩,管壁增厚呈空虚网状,生精细胞层次减少,间质细胞增生,但仍见有精子生成;高剂量组可见到精子呈异型性改变,细胞核浓缩深染,且随着摄入时间延长改变愈趋明显;F1代大鼠摄入贫铀5个月后就有上述改变且更为严重。F0代中、高剂量组大鼠摄入贫铀14个月后肾小球轻度萎缩,间质增生明显,20个月时肾小球萎缩纤维化;F1代大鼠摄入贫铀5个月后就有上述改变。F0代中、高剂量组摄入贫铀7个月时脾脏生发中心和淋巴鞘增生,淋巴母细胞增生活跃,20个月时脾小体减少,生发中心稀疏;F1代大鼠摄入贫铀早期和晚期有类似改变。F0和F1代高剂量组摄入贫铀早期肝脏有炎症细胞浸润,晚期骨髓有核细胞减少,脂肪细胞增加。
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Leaf epidermis of 35 species of Ormosia in China was examined under light microscope andscanning electron microscope. The epidermal cells of both upper and lower leaf surfaces are polygonal or irregular in shape, anticlinal walls are straight, arched, sinuolate or sinuate, and stomata are elliptic or ovate.
用光学显微镜和扫描电子显微镜观察了红豆属35种的叶表皮形态,这些植物的叶上下表皮细胞为不规则形或多边形,垂周壁有平直、弓形、浅波状或深波状,表皮细胞形状和垂周壁在种间有一些差异。
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Both the offset and tilted fedcoupling-slot array between the curved guide and sectoral guides and longitudinal radiating-slot array on sectoral guide are analyzed by moment method, taking into account of the effects of finite wall thickness and mutual coupling between the slots, employing the acceleration algorithms to accelerate the summation of slowly convergent series of the self-admittance of the waveguide-slot aperture, and introducing the surface Fock functions to simplify the computation of the self-and mutual coupling of the slots on the surface of cylinder.
采用矩量法分别分析弯波导与扇面波导间偏置倾斜馈电耦合缝阵和扇面波导轴向辐射缝面阵,其中计及有限波导壁厚及缝间互耦的影响,运用级数加速算法对波导中自导纳矩阵元级数进行加速处理,并引入表面Fock函数简化圆柱面上缝口面的自耦和互耦的计算。
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According to the observation of the microstructure of small diameter lumber with scan electron microscope, there are many bordered pits of the radial trancheidal wall in the small-diameter Larch, and most of them have pit film. The resin is not only in resin canal, but also in some trancheid and ray parenchyma cells. The drying defects of small-diameter Larch lumbers were the most severe in consecution heating, fluctuating-heats 2h in between, and drying defects were nearly not observed in fluctuating-heats 6h. There is tylosis in the vessel of the heartwood of small-diameter Cathay poplar. The bordered pits of the radial trancheidal wall are dense, and the pits between vessels are alternate, most of them have pit film. Different collapse happened in all the small-diameter Cathay poplar lumbers. The collapse of small-diameter Larch lumbers was the most severe with consecution heating, fluctuating-heats 2h in between, the least with fluctuating-heating 6h.
通过扫描电镜观察发现,小径木落叶松的径壁具缘纹孔数目较多,且多具纹孔膜,小径木落叶松除在树脂道中含有树脂外,在一部分管胞胞腔内以及一些木射线细胞中也含有树脂,在产生缺陷的小径木落叶松锯材中,连续加热方式下锯材的开裂缺陷最为严重,波动2时次之,波动6时几乎没有开裂现象;小径木大青杨心材导管中的层状浸填体含量较多,且径壁具缘纹孔较为密集,管间纹孔呈互列方式,绝大多数纹孔具有纹孔膜,干燥后的小径木大青杨锯材均有不同程度的皱缩现象产生,其中连续加热干燥试验锯材的皱缩现象最严重,波动2时次之,波动6时干燥试验锯材的皱缩缺陷最小。
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Preoperatively, all patients had advanced symptomatic congestive heart failure due to idiopathic (n=2), valvular (n=1), and ischemic cardiomyopathy (n=1). Interpapillary (n=1) or extrapa-pillary (n=3) types of PLV resection were performed, the latter necessitating mitral valve replacement in 3 patients.
4例患有进行性加重的充血性心衰患者的病因分别为原发性(2例)、瓣膜性(1例)和缺血性(1例)心肌病,所采用的术式包括&乳头肌间室壁切除&1例及&超乳头肌室壁切除&3例。
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The study reveals that the secondary xylem of 6 mangrove species of Sonneratia possesses the following characteristics:the diameter of vessel is small,the distribution frequency of vessel is high,the reperforating rate is high,the wall of vessel is thick,the wall of fibre is relatively thick and the wood parenchyma is short or sparse,whish is suitable with the environment.
应用光镜及扫描电镜对生长在热带、亚热带海岸潮间带的 6种海桑属红树植物的次生木质部进行了解剖学研究表明:海桑属 6种红树植物的次生木质部具有导管直径小,导管分布频率高,复孔率高,导管壁厚和纤维壁较厚且具次生加厚,木薄壁组织缺乏或稀少等与环境相适应的特点。
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Through comparative analysis on the pollen exine ornamentation of Lycoris we think that the pollen characters of Lycoris is relative steady and basically uniform, the shape of pollen grains are all long sphericity, all species have reticulate ornamentation, but there are large varieties between species in Lycoris on these aspects such as the pollen size , Finely reticulate ornamentation or coarsely reticulate ornamentation,psilate muri or curve muri,having spinulose or not and the spinulose position.
通过对石蒜属花粉外壁纹饰特征的比较分析,认为本属植物花粉特征较为稳定,形态基本一致,均为长球形花粉粒,花粉外壁均为网状纹饰;但在花粉大小、粗网或细网纹饰,网脊平滑或弯曲,有无小乳突或小瘤以及乳突着生部位等方面在种间有明显的变化,可以作为区分种的依据。3。
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Theoretically,the intershell coupling makes energy bands of multiwalled carbon nanotubes split and the degeneracies in the energy bands reduced,and the bandgaps of multiwalled carbon nanotubes decreased.The small bandgaps of multiwalled carbon nanotubes ensure the presence of a vibrational manifold in the optical region for each shell so as to minimize optical emission.
计算结果表明,层间耦合使多壁碳纳米管的能带分裂,能级简并度降低,同时使多壁碳纳米管的带隙减小,小的带隙确保了每层中都存在振动模式,多数激发态电子通过相邻管的快速振动转化能量而产生无辐射跃迁,使其荧光很难观察到。
- 推荐网络例句
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Plunder melds and run with this jewel!
掠夺melds和运行与此宝石!
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My dream is to be a crazy growing tree and extend at the edge between the city and the forest.
此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。
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When you click Save, you save the file to the host′s hard disk or server, not to your own machine.
单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。