| 1. | Smith (1962) considered three alternate methods to determine an equivalent diameter of graded sediment .
史密斯（1962）提出了三种不同方法以计算不均匀沙的当量直径。 |
| 2. | Method for the estimation of equivalent diameters in the heat treatment of steel
钢热处理的等效直径评估方法 |
| 3. | Test method for diameter and equivalent diameter of carbon fiber by microscope
碳纤维直径和当量直径检验方法 |
| 4. | Smith ( 1962 ) considered three alternate methods to determine an equivalent diameter of graded sediment
史密斯（ 1962 ）提出了三种不同方法以计算不均匀沙的当量直径。 |
| 5. | Petroleums and derivatives . oil content of paraffins and petroleum waxes . method of measuring the equivalent diameter of pores of rigid filters
石油和衍生物.石蜡和石油蜡中油含量的测定.刚性过滤器等值孔径测量法 |
| 6. | The critical concentration and critical particle surface area in constant rate section is studied . the floc density pa and the floc equivalent diameter da are calculated on the basis of experimental data and theoretic analysis
研究了等速段的临界浓度、临界颗粒表面积；分析计算了絮团密度_ 、泥沙絮团当量直径d _ 。 |
| 7. | At the same time , the corresponding programs on the above two methods can be compiled in frotran90 respectively , which are used to analyze the influence of several factors on behaviour of barrette pile group and barrette pile group - soil - cap interaction , including collocation of pile , ratio of length to width , pile spacing , ratio of depth to equivalent diameter , ratio of modulus of pile to soil , possion ' s ratio , the finite layer , the number of piles etc . lastly a series of model tests on vertically - loaded bahaviour of single pile are made , tests results are analyzed , and the causes of tests failure are preliminarily discussed in this paper
分析了群桩布置形式、长宽比、桩与桩之间的相对距离，桩径比、桩土刚度比、泊松比、有限压缩层深度以及群桩根数等因素对壁板桩群桩和壁板桩群桩?土?承台的相互共同作用问题的影响。论文最后做了一组壁板桩和圆形桩单桩模型试验，对试验数据进行了分析，并对试验中存在的问题进行了初步探讨。 |
| 8. | At the same time , the program corresponding to the proposed method is compiled in fortran90 , which is used to analyze the influence of several factors on behaviour of barrettes , including ratio of length to width , ratio of depth to equivalent diameter , ratio of modulus of pile to soil , possion ' s ratio , the finite layer etc . many useful conclusions are obtained from the above analyse
该方法考虑了壁板桩桩身横截面的非轴对称性，并用fortran语言编制了相应的程序，进而分析了多种因素对壁板桩承载特性的影响，包括长宽比、桩径比、桩土刚度比、泊松比以及有限压缩层深度等。 |
| 9. | The traffic zone split is studied deeply . the research regards the critical distance of medium - long distance trip as the centroid distance between the two adjoining traffic zones , and uses this critical distance as the equivalent diameter to estimate the area of the traffic zone
对快速路系统规划的交通小区划分进行了深入研究，提出将大城市中长距离出行的这一界定值作为相邻两交通小区形心之间的距离，用这一临界距离值作为交通小区的等价直径值来估算小区规模。 |
| 10. | By doing single fracture drainage experiments , this paper has successfully presented the logarithm function relationship between ratio of drainage discharge through upward and plumb drainage hole and the ratio of their equivalent diameters . the drainage effect will be the best when the included angle between drainage hole and fracture surface is 21 ~ 36
4 、通过单裂隙排水试验，建立了倾斜孔和垂直孔的排水量之比与其交界线的等效直径比之间的自然对数关系式，排水孔排水量基本随其与裂隙面的交角减小而增大；对单组裂隙排水的初步分析表明，排水孔与裂隙面的夹角在21 ~ 36范围内排水效果最佳。 |
