• Description of the tree diameter growth using tree age as independent variable may thus give an inflection point of the growth curve.

    树木直径实际生长年龄小于树木年龄,树木年龄作为自变量描述直径生长导致生长曲线出现拐点。

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  • Diameter growth occurs when matrix deposition occurs on the outer surface of the bone. Linear growth in long bones occurs at epiphyseal plates.

    骨骼表面发生基质沉积时,就会发生直径生长,长骨骨骺上发生线性生长。

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  • The results showed that: among the appraisal methods of forest site quality, diameter growth potential was still a practical and effective measure.

    结果表明森林立地质量评价诸多方法之中,直径生长潜力仍然不失为一种应用简便行之有效的方。

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  • The height and basal diameter growth with sufficient light and water supply was 2.8 times of seedlings under shady conditions and with insufficient water.

    而在光照水分供应充足条件下,榉树的苗木、地径平均生长量庇荫、水分供应相对少的2.8

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  • A transfering probability matrix model of linearly generalized diameter growth was used to deal with the tree species composition problem of mixed unevenly aged forest.

    直径生长转移概率矩阵模型进行了线性扩展,用以研究混交异龄树种组成问题

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  • Compared to P. tabulaeformis, the height and diameter growth and volume of P. ponderosa have good relativity, and correlation value was more than 0.9, but P. tabulaeformis was only(0.583).

    在树胸径材积3个生长指标上,美国黄松具有很好的相关性相关系数均在0.9以上油松的树高与胸径相关系数为0.583。

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  • The analysis results of height and diameter growth of test species, the method to select drought resistant and heat resistant afforestation species were introduced in details in this paper.

    文章除论述元谋干热河谷区的自然条件、参试树种生长状况分析结果外,还详细介绍了抗旱耐热造林树种的选择方法

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  • With these step function models, the crown diameter growth of Eucalyptus clones can be predicted, and it also provided scientific basis for the reasonable management of Eucalyptus plantations.

    利用已建立阶跃函数模型可以有效地预测不同桉树品系人工林树冠生长动态,桉树人工林合理经营提供科学依据

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  • In the Czochralski crystal growth process, the main method is regulating the pulling speed and heater temperature to track the target curves, in order to achieve the diameter growth of crystal.

    直拉法晶体生长过程中主要通过调节提拉速度加热器温度跟踪目标曲线实现晶体等径生长

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  • Dynamic load stimulated the growth of longitudinal diameter of long bone more greatly than static load.

    动力性负荷长骨生长促进作用大于静力性负荷。

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  • Result showed that different waterlogging depths have obvious effects on tree height, diameter at breast height, under branch height, trunk morphological structure, stem base form, and growth process.

    结果表明不同水分条件对池杉胸径高、、树干基部形态生长过程均产生明显的影响。

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  • Automatic diameter control (ADC) is a key technique for the CZ crystal growth equipment.

    自动直径控制(adc)技术直拉法晶体生长设备一项关键技术。

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  • Influences of different radial and axial feeding speed on the radial and axial rolling force, growth rate of diameter and temperature have been systematically analyzed and proved by trials.

    同时不同径向进给速度轴双向复合轧制过程中轧制直径增长速率温度分布的影响进行系统分析,进行了相应的实验验证

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  • Stem height, diameter and volume growth were measured at various ages up to that of 16 (or 7) in a Chinese Fir progeny test.

    杉木子代测定中,观测了16年(7年)的树胸径材积生长

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  • The thermal transfer characteristics in growth system and stoichiometry in melt and crystal must be investigated further in order to grow high quality crystals with larger diameter.

    生长直径质量单晶,仍传输化学计量等问题进行深入研究

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  • The results showed that there were distinct differences in micro-fibril Angle, width of growth-ring and tracheid diameter.

    结果表明管胞直径及生长轮宽度等指标表现为差异显著

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  • Results the growth and development speed curve of the fetal cerebral hemisphere diameter is "m" shaped.

    结果胎儿大脑半球径线生长发育速度曲线呈M

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  • A large number of date were used to establish models of the relation between periodical growth of height and diameter and corresponding meteorological factors.

    将所得大量数据对应的气象因子,经过计算机处理建立生长季节周期与气象因子、生长季节周期与气象因子的相关关系模型

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  • The results showed that the growth curves of fruit fresh weight, volume and vertical and horizontal diameter presented single 'S-shape' trend.

    结果表明,扁桃幼果鲜体积增长均呈S曲线

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  • Momentum balance equations were established for both x-direction and y-direction, by which bubble growth rate and departure diameter can be calculated.

    进而获得沸腾气泡生长速率脱离直径计算方法

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  • Different sowing seasons significantly influenced the flowering period, growth period, plant height and flower diameter.

    花期、全生育期、高和花盘径的影响较大

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  • Seedlings which have a good growth in height and diameter all have an average shoot number.

    、地方面占优势的群体发数量中等

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  • Fresh weight, volume and diameter of 'Kyoho' grape berry was measured during berry growth in 1990-1992 and relations among the parameters were studied.

    1992年,以‘峰’葡萄为试材,研究了整个浆果生长期间体积、横经之间关系

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  • The results indicate that the growth rate, the diameter, and the crystallinity of CNTs can be manipulated by the selection of the catalysts.

    催化剂不仅影响纳米管生长速率而且碳纳米管直径和管壁的石墨结晶状态随催化剂的不同而不同。

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  • The results showed that with pear genus dwarf stocks, the most combinations' trunk diameter is thinner, tree height is lower, growth shoots length is shorter, but crown diameter is bigger.

    结果表明,矮化砧木做中间砧,多数组合表现出高度发育径较大。

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  • Results During growth, the length, depth and maximum diameter of the sella turcica had gradually increased with age, and the sella turcica morphology remained stable after 18 years of age.

    结果生长发育过程中,蝶长度深度最大直径随着年龄增加逐渐增大,18以后形态趋于稳定

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  • The relationships among the dot diameter, dot density and growth regulators were not significant.

    果点大小、密度生长调节剂关系不大

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  • For all poplar clones, annual growth rhythm accorded with "S" curve both in seedling height and ground diameter.

    苗高年生长节律表现慢-快-慢S”型生长规律

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  • Growth process of height, diameter and volume of the largest two stems of some sampled black locust stands on Weibei-loess plateau were described by analyzing stem disks and growth rings.

    通过渭北黄土高原刺槐人工林最大林木树干解析年轮分析描述了林分最大株林木的树直径材积生长过程

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  • Acacia dealbata and Alnus cremastogyne were selected as the species with quite fast growth on 3 indexes of tree height, ground diameter and crown mean width.

    通过各树种在该立地类型上生长曲线的比较评选圣诞树、水冬瓜3个生长因子上生长速度最快。

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