root diameter
英 [ruːt daɪˈæmɪtə(r)]
美 [ruːt daɪˈæmɪtər]
齿根圆直径，（齿轮的）根径
双语例句
- Concentration of agar significantly affected the rooting of test-tube plantlets, the high agar concentration was the later root primordium produced, meanwhile, as concentration of agar increased, average root length and root-shoot ratio decreased, average root diameter and root number increased.
琼脂浓度显著影响葡萄试管苗生根，随着琼脂浓度的增加，根源基产生时间延迟，平均根长和根冠比降低，而平均根粗和生根数增加； - Potash fertilizer was good for plant height, root length, root diameter and dry weight.
钾肥有利于增加株高、根长、根粗和干重。 - The glycyrrhizinic acid accumulation is a effected by organ type, growth age, root diameter and grow position, and the distribution pattern of random root and vertical underground stem has influence on glycyrrhizinic acid distribution in horizontal underground stem.
其器官类型、生长年龄、根系粗度以及生长部位在一定程度上都影响着甘草酸含量的积累，不定根和垂直地下茎的分布格局影响着水平茎中甘草酸的分布。 - Based on the analytic parameter of 391 natural Japanese red pine which is in different condition in Yanbian Area, through regression analysis on the relation of root diameter and stand tree volume, we confirmed the best model by using the lack of fit test method.
利用分布于延边地区不同立地条件下的391株天然赤松解析木资料，分析回归了赤松根径与立木材积的相关关系，并运用拟合不足检验法，确定了最佳模型。 - Variations of fine root diameter with root order in Manchurian ash and dahurian larch plantations
水曲柳和落叶松不同根序之间细根直径的变异研究 - Root system biomass, root diameter are decreased from surface layer to deep layer.
根系生物量、主根直径整体上表现为从土壤表层到深层递减；品种间根颈特性差异明显； - The results indicate that the pull-resistance of shrub is impacted by configuration of the root system, maximum pull-resistance of single root and the amount of roots under stress. The maximum pull-resistance increases with root diameter increasing, and there is a good power function relationship between them.
试验结果表明：受根系构型、受力单根的极限抗拉力及作用根系数量的影响，其单根极限抗拉力随根径的增加而增大，之间有很好的幂函数关系； - The root system size and adventitious root diameter are various;
根系在大小和不定根直径方面存在变异； - In contrast, the ratio of cortex width and root diameter was smaller.
而在旱生植物的根内，皮层宽度与根半径的比率则一般较小。 - The percentage contents of N, P, K, Ca and Mg in roots evidently decrease with root diameter.
根系N、P、K、Ca和Mg含量随根径的增加呈显著的降低趋势。 - Effect of the Relief Angle of Pinion Cutter on the Gear Root Diameter
插齿刀的实际后角对齿轮根径的影响 - The relationship between the actual relief angle of pinion cutter and the gear root diameter is described.
本文阐述了插齿刀的实际后角与齿轮根圆直径的关系。 - PH value had significant effects on root number, root diameter, root length and root-shoot ratio of test-tube plantlets cultured with different media, pH value increased, root number and average root length decreased, root diameter and root-shoot ratio increased.
pH值对试管苗平均根系数量、根粗、根长和根冠比影响显著，生根数与平均根长随pH值升高而减小，平均根粗与根冠比随pH值的增大而增大； - The content of N, P, K, Ca and Mg in root decreased as root diameter increased.
根中氮、磷、钾、钙、镁含量随根径的增大而减少。 - Analyzed the effect factors of Abies fabric root system strength, of which the root diameter and root length are the important effect factors, the interaction of root diameter and root length bring on the strength of Abies fabric root system.
分析了影响冷杉根系侧强曲线的因素，其中冷杉根系的根径和根长为影响其侧强曲线的主要因素，根系的抗拉强度的大小是根径与根长共同作用的结果。 - Results show that root biomass, root volume, root length and root diameter of rice and barnyardgrass all increased significantly under FACE condition with NN ( normal nitrogen) supply, the response of rice to CO_2 was higher than that of barnyardgrass.
结果表明，常N水平下高浓度CO2显著增加水稻和稗草的根干重、根体积、根总长和根直径，水稻对CO2浓度升高的响应强于稗草； - The mean value of root diameter and root length markedly increased with root order.
随根序增加细根平均直径和平均根长显著增加； - The main results were as follows: 1. The film mulching cultivation had significant effect on plant height, main root growth, root diameter and the number of branches.
研究取得以下主要结果：1.覆膜对甘草株高和主根长的生长、芦径的增粗及分枝数的增多均有显著影响。 - With years of growth, plant height, leaf area, root number, root length and root diameter gradually increased, dry weight increased.
随着年份的增长，株高、叶面积、根数、根长和根粗逐渐增长，干重逐渐增加。 - The root length, number of tips, root surface area and average root diameter of non-tolerant plant were significantly inhibited by Cu treatment.
非抗性种群齿果酸模的主根长、根尖数、根表面积和平均根直径均被铜处理显著抑制。 - With soil salinity increasing, root weight, length and surface area was reduced, but increased for root diameter.
棉花根重、根长和根表面积均随土壤盐度的升高而减低，根平均直径却随土壤盐度的升高而增加。 - Rhizosphere oxygenation significantly increased the root elongation and root porosity but inhibit the development of adventitious roots and root diameter.
好氧处理显著刺激了水稻根系的伸长，但是抑制了不定根的增加和根直径的生长。 - The root controlling accelerated the root growth, and reduced the root diameter. At the same time, it also maked the roots extend towards deep.
根系调控促进了营养坑中根系生长，根系粗度降低，并促进了根系向深层延伸。 - Slight water stress enhanced the growth of rice roots. Total root length, surface area and volume were increased, while average root diameter decreased.
轻度水分胁迫能促进水稻根系生长，增加总根长、根表面积和根体积，但降低根平均直径。 - The factors effecting root tensile properties include root length, root diameter, root shape, etc. Based on analyzing the stress-strain relationship, hyperbola constitutive model, second-order parabola model and third-order parabola model were built up Pinus tabulaeformis root system. 3.
影响根系抗拉特性的主要因素有根长、根径、根形等。通过对油松抗拉应力应变关系的分析，构建了油松根系的双曲线本构模型、二阶抛物线模型和三阶抛物线模型。