strain concentration meaning in English
应变集中
Examples
- Theoretically speaking , certain crack or damage in structure will result in reduction of stiffness in the local part , and also will result the stress and strain concentration in the same part
理论上,结构的局部裂缝或损伤必然会导致结构局部刚度降低,从而使应变在损伤处发生集中,应变模态振型数值发生突变。 - Aimed at developing a set of methods efficient in inducing the hairy roots with agrobacterium rhizogenes from trichosanthes bracteata voigt to meet needs for hairy roots for bioreactor culture research and application ; and also in order to investigate the roles of explants , agrobacterium rhizogenes , affecting factors and their magnitude and the underlying mechanism in the transformation , therefore to determine the optimum explants , pre - culture time , tested strain concentration , infection time , co - culture time , affecting factors and their effects working together and to obtain the optimum transforming condition by performing orthogonal test , this project was launched . with cotyledons and stems from trichosanthes bracteata voigt plantlets as explants , agrobacterium rhizogenes r1601 and r1000 as infection agents , transformation was performed using different methods and under various circumstances
为了建立一种有效的诱导大苞栝楼发根的方法及其发根培养体系，以适合于发根生物反应器扩大培养研究和应用基础的需要；本研究对诱导发根的外植体在发根农杆菌和环境因子等影响作用下进行发根的诱发及其可能的机理进行探讨，从而找出用于发根诱导和培养的最佳外植体、预培养时间、发根农杆菌浓度、感染时间和共培养时间、诱导条件，并通过正交试验得出优化的诱导条件。