根中氮、磷、钾、钙、镁含量随根径的增大而减少。
The content of n, P, K, Ca and Mg in root decreased as root diameter increased.
根系抗拉强度与根径间呈幂函数或指数函数的关系，随根径增大而减小。
Either power or exponential relations were fitted between root tensile strength and root diameter, and the root tensile strength decreased with increasing diameter.
用蒸腾计法和解剖学方法分别研究了氮亏缺对玉米单根径、轴向导度的影响。
The results indicated that N deficiency decreased root radial and axial hydraulic conductivity of maize.
平纹编织：每根径丝交叉地在每根纬丝上下穿过，经线和纬线成90度角的编织方式。
Plain weave: Each wire is woven alternately over and under the warp wires through the cloth at 90 degree angles.
在采伐作业设计和伐后验收的蓄积计算上应采用相同的计算方法或编制区域性根径一元材积表，以减少误差。
It should use the same volume calculation method or make one way volume table for felling design and acceptance after felling to reduce errors.
研究结果表明，不同配合基质对侧柏幼苗的成活率、株高、径粗、根长、地上部和地下部干重均有显著影响。
The results showed that different media had significant effects on the survival rate, height, stem diameter, root length, shoot and root dry matter weight of eastern arborvitae.
切根苗的高径比与冠根比均在壮苗的适宜范围内，须根数量多，菌根感染率高，均明显优于未切根的普通大田亩，这将有效地提高造林质量。
Ratio of height and diameter, crown and root, of root cutting seedling were strong with more fibrous root, and higher rate of fungus root infection than untreated normal field seedlings.
根据统计学原理对一年生苗木苗高、地径、主根长、侧根数、根幅的测量数据进行了相关性分析。
The correlations between seedling height, diameter at base, main root length, lateral root number and root range were analysed according to statistical principles.
在套管单根或油管单根被提起和下入井筒以前对其进行检查所用的内通径规的习用语。
A slang term for an internal drift diameter gauge typically used to check casing or tubing joints before they are picked up and run into the wellbore.
回归和通径分析结果表明，株高、叶面积、根体积、根干重是影响根系伤流强度的主要因素。
The result of path analysis and regression indicated that plant height, area of leaf, volume of root, and dry weight of root were key factors for the roots bleeding intensity.
通径分析表明，比叶面积不仅受叶重、茎重、根重的影响，而且受3者间交互作用的影响。
Moreover, path analysis showed that SLA was influenced not only by root weight, stem weight and leaf weight but also by their interaction effects(Fig. 3, Table 7).
通径分析结果表明，滇重楼总皂苷含量主要受其根际土壤碱解氮的影响，其次为土壤有机质和脲酶活性。
Path analysis indicated that total saponins of rhizome mainly affected by alkaline nitrogen in soil rhizosphere, secondly by soil organic matter and soil urease activity.
造林成活率和当年生长量与茎根比和高径比关系密切。
The survival rate and growth of the first year showed a close relation with shoot-root ratio and height-diameter ratio.
造林成活率和当年生长量与茎根比和高径比关系密切。
The survival rate and growth of the first year showed a close relation with shoot-root ratio and height-diameter ratio.
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