A new method for calculating drill stem strength can be applied to designing and checking strength of drill stem.
提出了一种钻柱强度计算新方法，可用于钻柱的强度设计和强度校核。
The thickness-diameter ratio of culm, stem diameter, culm wall thickness and pith diameter were significantly correlated with stem strength.
结果表明小麦茎秆强度与厚径比、壁厚均呈极显著正相关，与髓腔直径呈极显著负相关。
"We found that the transplanted stem cells are permanently altered and reduce the ageing of the transplanted muscle, maintaining strength and mass," said Prof Olwin.
奥尔文教授说，“我们发现，移植的干细胞发生了永久性改变，减缓了接受移植肌肉的老化，保持了其力量和质量。”
And when the central bank does intervene to try to stem excessive strength in the peso, the tactics are different from, say, Brazil's.
当央行确实进行干预防止比索过度走强时，这些策略同巴西等其他国家的不同。
It can absorb water and keep stem full and increase strength to break.
能充分吸收水分，使稻秆充实，具有增强对弯曲和抵抗力的效果。
While a majority of the stem may be made from a titanium-based powder material, its tip may be made of a high strength hardened material, such as a steel alloy.
而杆的大部分可由钛基粉末材料制成，其杆头可由高强度硬化材料，例如钢合金制成。
While a majority of the stem may be made from a titanium-based powder material, its tip may be made of a high strength hardened material, such as a steel alloy.
而杆的大部分可由钛基粉末材料制成，其杆头可由高强度硬化材料，例如钢合金制成。
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