The following parameters, dent-depth, initial crook, slenderness ratio and diameter-thickness ratio, are considered and their influence on ultimate bearing capacity is analyzed.
分析了凹陷深度、初弯曲、长细比和截面径厚比等参数对杆件极限承载力的影响，讨论了上述参数对荷载-轴向缩短关系的单独影响和综合影响。
As shown by experimental results, the capacity of modified sericite with higher diameter thickness ratio in strengthening nylon 6 is improved significantly.
实验结果表明，高径厚比改性绢云母增强尼龙6的力学性能有显著的提高。
Calculation for short columns using Grade Q235 steel tube filled with Grade C30 concrete indicates that the critical diameter to thickness ratio of steel tubes is about 1700.
对Q235钢材、C30混凝土短柱构件的计算结果表明，钢管的最小临界径厚比为1700左右。
It is found that the critical local buckling stress and diameter to thickness ratio of circular steel tube are considerably increased by the support of filled concrete.
由于内部混凝土的存在，大大提高了薄壁钢管的临界屈曲应力和径厚比。
The fiber length, diameter, cell wall thickness and ratio of length to width are 891.
木纤维长度、直径、双壁厚、长径比均随着树龄的增加而增加，其平均值分别为891。
It shows that with the increasing of curvature radius, liner thickness, the length-to-diameter ratio of the charge, and decreasing of shell thickness, the velocity of EFP increase.
结果表明：随着药型罩曲率半径、装药长径比、壳体厚度的增大以及药型罩壁厚减少，EFP的速度增大。
Left ventricular end diastolic diameter (LVDD), EF, and the ratio of LVDD and left ventricular posterior wall thickness were increased ( P <0 01).
左室舒张末径与射血分数，以及左室舒张末内径与左室后壁厚度之比较治疗前均有显著改善（P <0 0 1）。
An axially compressive thin-walled steel element on elastic foundation is adopted to deduce the critical stress and critical diameter to thickness ratio for circular steel tube in local buckling.
在此基础上，把薄壁钢管纵向单元作为支承在弹性地基上的压杆，推导出钢管出现局部屈曲的临界应力和临界径厚比。
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。
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。
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