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block anchorage
相关语句
  锚碇
     Design Research about Sheet Pile Wall withBlock Anchorage System
     锚碇式板墙的设计研究
短句来源
  相似匹配句对
     Block and Z.
     B lock和Z.
短句来源
     Discussion on anchorage block dimension
     关于锚碇尺寸的探讨
短句来源
     Bounding anchorage performances of concrete block paste and steel bars
     混凝土砌块砂浆与钢筋粘结锚固性能可靠度分析
短句来源
     Gypsum block
     石膏砌块
短句来源
     Optimization of anchorage body
     锚杆锚固体的优化
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The characteristic of forces acting in the end block anchorage of unbonded prestressed tendons is analysed. Author suggested that the calculation of end block of bearing strength should be taken with two steps: prestressing stage and ultimite limit states. In addition, the constructional details of end block and engineering examples are presented.

分析了无粘结预应力筋端头锚固区的受力特征,指出对端头锚固区的局部承压强度应作施工张拉和承载能力极限状态两个阶段的计算,提出了端部构造处理建议,还给出了工程实例.

Based on soil plasticity and limit analysis theory, the threedimensional failure mode of seperated block anchorage and corrresponding upperbound solution of ultimate pullout force are presented in this paper. At the same time, design method of sheet pile wall with seperated block anchorage under some values of safety factor is also proposed systematically.

基于土的塑性理论及极限分析,提出了间隔非连续锚碇拉杆的三维破坏模式,求出了其极限抗拔力的上限解,并结合建议的安全系数,系统地阐述了锚碇式板墙的设计方法.

AIM: To determine the effect of agmatine on the proliferation of pulmonary artery smooth muscle cells (PASMCs) induced by hypoxia. METHODS: Primary culture of rat PASMCs was prepared from adult male Wistar rat pulmonary artery by the method of tissue block anchorage. PASMCs were divided into two groups: control group and agmatine-treated group. The activity of LDH in the medium was measured by chromatometry. [3H]-TdR incorporation was measured by liquid scintillation counting. The cell cycle was measured...

AIM: To determine the effect of agmatine on the proliferation of pulmonary artery smooth muscle cells (PASMCs) induced by hypoxia. METHODS: Primary culture of rat PASMCs was prepared from adult male Wistar rat pulmonary artery by the method of tissue block anchorage. PASMCs were divided into two groups: control group and agmatine-treated group. The activity of LDH in the medium was measured by chromatometry. [3H]-TdR incorporation was measured by liquid scintillation counting. The cell cycle was measured by flow cytometry, and the PCNA content was measured by image analysis. RESULTS: Agmatine did not exert significant effect on the activity of LDH in the medium, but significantly decreased the [3H]-TdR incorporation and PCNA content of PASMCs. Agmatine significantly decreased the cell ratio of G_2/M phase and increased the cell ratio of G_0/G_1 phase. With the increment of the concentration of agmatine, [3H]-TdR incorporation was significantly decreased. CONCLUSION: Agmatine has no significant cytotoxic effect on PASMCs and agmatine dose-dependently inhibits the proliferation of rat PASMCs induced by hypoxia.

目的:观察胍基丁胺对低氧培养大鼠肺动脉平滑肌细胞(PASMCs)增殖的影响。方法:采用组织块贴壁法原代培养大鼠PASMCs,取对数生长期PASMCs分对照组和胍基丁胺组,比色法测定细胞培养液中乳酸脱氢酶(LDH)活力,液闪计数仪测定[3H]-TdR掺入量,流式细胞仪测定细胞周期,图像分析法测定增殖细胞核抗原含量(PCNA)作为细胞增殖的指标。结果:常氧和低氧(2.5%O2)培养时,胍基丁胺组LDH活力与对照组LDH活力均无显著差异(P>0.05);与单纯低氧组相比,50μmol/L胍基丁胺可显著减少低氧培养PASMCs的[3H]-TdR掺入量(P<0.01)。随着胍基丁胺浓度从50μmol/L逐渐增加至500μmol/L,大鼠PASMCs[3H]-TdR的掺入量亦随之减少(P<0.01)。与单纯低氧组相比,胍基丁胺可显著减少低氧培养PASMCs的PCNA的含量(P<0.01),使G0/G1期细胞比例显著增加,G2/M期细胞比例显著减少(P<0.01)。结论:胍基丁胺对PASMCs不产生明显的细胞毒性作用;胍基丁胺可抑制低氧培养大鼠PASMCs的增殖,这种抑制作用呈剂量依赖性。

 
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