您要查找的是不是：
- root length growth model 根长增长模型
- Taking tall fescue lawn as experiment material,its growth characteristics including plant height,density,root length,leaf area,chlorophyll content and the photosynthesis speed were measured in spring. 以高羊茅草坪为试验材料,春季对其修剪前后植株株高、密度、根长、叶面积、叶绿素含量、光合速率、色泽等主要生长指标进行了测定。
- Multistage DDM overcome the limitations of the Gordon growth model. 多阶段DDM模型克服了戈登成长模型的限制。
- An improved genetic algorithm was applied and examined to optimize the weights of a neural network model for estimating root length density(RLD) distributions of winter wheat under salinity stress. 应用改进遗传算法,优化人工神经网络模型的权值,对盐分存在下的冬小麦根系分布进行定量预报,将获得的根系分布参数与根系吸水模型以及水盐运移模型相结合,进行了水分、盐分分布的数值模拟。
- The results showed that the CRNF could increase the root dry weight, root length, and root length density, while the root radius became smaller during later growth stages of hybrid rice. 控释氮肥中，氮的逐渐释放，可减少具有强烈伤害的活性氧产物速率及其累积数量，提高活性氧清除酶的活性，在很大程度上延缓了杂交水稻生育后期根系的衰老和吸氮能力的衰退。
- The Selection on the Best Length for the Bud Propagation and Shoot Length Growth of Chaenomeles speciosa(Sweet)Nakai C. 与相似的文献。
- A Simple growth model of ternary BCN compound is proposed in this paper. 提出了BCN三元化合物生长的简单模型.
- Root length increased and root number decreased when the 6-BA and the KT were not in the medium. L-16-BA有利于提高生根率,增加假茎粗,降低假茎高与苗高,不加6-BA、KT有利于增加根长,但不利于增加根数;
- Pouring temperature shows significant effect on the growth model of dendrite. 浇注温度对枝晶生长形貌影响较为显著，高温浇注易获得外生柱状枝晶；
- At early days,Cd2+ inhibited plant root length,and inhibiting to root is larger than to seeding. 在处理初期;镉对根长的影响就表现为抑制效应;并且Cd2+对幼苗根长的影响比苗长的影响显著得多.
- The third essay focuses on measures of inflation in Barro's growth model. 第三篇论文，侧重于分析巴罗增长模型中的通胀的度量。
- There is only one pairs of epistatic QTLs for root length, root surface area and root tips, respectively. 其中根体积和平均根直径各检测到4对和5对上位性数量基因座,而根长、根表面积和根尖数量都分别只检测到一对上位性基因位点。
- The indexes of root length, root diameter, stem height, stem diameter, leaves quant... 说明:一定浓度的污水可以促进白骨壤的生长和开花结果。
- Results showed that the height,root length and fresh weight of tomato seedlings were improved. 结果表明:番茄施用哈茨木霉后,可明显增加幼苗的株高、根系长度及鲜重;
- Growth models usually consider labor as homogeneous. 增长模型常常把劳动力视为同质的。
- Under water stress root dry weight of winter wheat grown in the pots is positively linearly related to its root length density significantly. 水分胁迫下，盆栽冬小麦根干重和根长密度呈直线正相关。
- In New Cambridge economic growth model, we induct a new variable, technology labor. 在新剑桥经济增长模型中，我们引入了技术劳动者这一新的变量。
- The average relative root length(RRL) was 24.7%,relative seedling length and fresh weight were(59.7%) and 69.1%,respectively. 结果表明;与对照相比;缺氧处理对油菜幼苗生长具有显著的抑制作用:平均相对根长为24.;7%25;平均相对茎长和鲜重分别为59
- At harvest,root length density and treflan concentration at different soil layer were evaluated using soil auger method. 冬小麦收获后,采用土钻法在滴头附近沿垂直方向分层取样,测定各土层的根长密度和氟乐灵含量,并统计各小区的产量。
- The Richard growth model is superior for describing the temporal dynamics for poplar bacterial canker disease. 冰核细菌溃疡病流行的时间动态以理查德生长模型为最优生长模型。
