查询词典 root tip

Secondly, through on-site and laboratory testing, studies the impact of root distribution density and distribution methods to root complex shear strength.

根系的抗拉特性符合一定的规律，对进一步研究根系的拉拔特性奠定基础。

But the content of MDA in leaf and root was not decreased on the contrary it was increased. It indicates that the damage of Plasma membrane in maize leaf and root have more complex mechanism.

但此时叶片和根系中MDA的含量并没有下降，反而增加，说明玉米叶片和根系组织的膜伤害有更复杂的机理。

Understanding of the various and gender-different morphology of the roots and complex root canals of maxillary first premolars, is of great value for the diagnosis and root canal therapy.

上颌第一前磨牙牙根形态多样并有显著性别差异，而且根管形态类型复杂。充分了解其解剖形态，对临床治疗具有重要意义。

Then we hypothesize that mesenchyma stem cells from DAC are heterology,which have the potential ability to regenerate root/periodontal complex structures as a new kind of seed cells. Therefore, this study focuses on characteristics of the mesenchyma stem cells at tooth root developing stage and the evaluation of the possibility of being seeds cells.

因此，本研究拟对牙根发育期相关间充质干细胞的生物学特性进行研究，探讨其作为种子细胞在牙根/牙周组织工程中应用的可行性，以期为组织工程化牙根/牙周组织构建优选新的种子细胞。

The areas of root concavity in most of teeth will cover the cervical third and middle third of the root.

大部份的牙齿其牙根面凹陷的范团均涵盖了齿颈部及中央三分之一的牙根。

There was, however, shorter root formation and a narrower root cavity compared with the contralateral incisor.

然而，也有人短，根系的形成和狭义根腔较对侧门齿。

Contractile root A specialized root developed by certain bulb-and corm-forming plants that serve to pull the bulb or corm down to the appropriate depth in the soil, e.g.

收缩根：在某些具有形成鳞茎或球茎的植物中特化的根结构。

The results showed:(1) the propagation coefficient were from 0.8 to 6.8 in different development phase, the highest propagation coefficient appeared in June, July in dormancy stage and September in initial stage of vigorous growth;(2) all of biological characters, such as cormel's fresh weight, size, height, root length, roughness and root quantities, presented 1% significant difference.

结果表明：(1)不同生长发育期无性繁殖系数在0.80~6.80之间浮动，休眠期的6、7月和旺盛生长初期的9月繁殖系数较高；(2)不同生长发育期无性繁殖的子球鲜质量、最大直径、子球高度、根系长度、根基粗度及根系数量等生物学性状均呈现1%水平极显著差异。

Unlike the simple counting board used in elementary schools, very efficient suanpan techniques have been developed to do multiplication, division, addition, subtraction, square root and cube root operations at high speed.

不同于简单的计数在小学使用的电路板，非常有效的suanpan技术已经发展到这样做乘法，除法，加法，减法，平方根和立方根业务的高速增长。

Various treatises on mathematics were authored by Indian mathematicians in which were set forth for the first time, the concept of zero, the techniques of algebra and algorithm, square root and cube root .

在公元前1000年至公元1000年之间，由印度数学家所写的各种数学论文首次阐明了出来，零的概念，代数和运算法则的技巧，平方根与立方根都阐明了出来。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。