根的

Epidermis, cortex, endodermis, stale can be observed from the surface of a root to the center.

从根的横切面从外向根内观察，可分为表皮、皮层、内皮层和中柱这4个部分

This method was applied to the analysis of nitrite and nitrate in environmental water with satisfactory result.

应用于环境水样中硝酸根和亚硝酸根的同时测定，结果满意。

Anatomy observation was employed in sugar beet Rhizomania and the results showed:(1) The periderm construction of mot developed abnormally, the surface was not slippery and the cell arranged irregularly. Some of them were scraggly, cleft and some broke off, even some cell wall became brown.

对甜菜丛根病病根进行解剖学观察研究，结果表明：根部结构发生较大变化，(1)根的周皮结构发生异常，周皮表面不光滑，细胞排列不规则，有的凸凹不平，有的产生裂口，有的细胞脱落，细胞壁褐化等。

Chapter 5, we get shaperupper and lower bounds of perron root of the matrix by the perron root of A2 undersome conditions. Some examples are given to show the new estimation method iseffective.

第五章借助已有的非负矩阵A 的Perron根的结果，通过对A2的Perron 根估计，得到了非负矩阵A 的perron 根的更优的上下界。

The measured root concentrations and RCFs of phenanthrene and pyrene were positively correlated with root lipid contents.

不同植物根中菲和芘含量和根系富集系数与根的脂肪含量呈显著正相关。

In this study, 30 mgL^(-1) Zn treatment promoted the growth of root and increased zinc content and accumulation in root. If plumule was concerned, 60 mgL^(-1) Zn treatment was beneficial to their growth and zinc accumulation.

Zn30处理有利于根的生长，能显著提高根中Zn的含量并促进Zn在根中的积累；Zn60处理有利于芽的生长，能显著提高芽中的Zn含量并促进Zn在芽中的积累。

When thepolynomial has at least two simple real roots,sequences of critical values of timedelays corresponding to each positive root can be derived.

而当该多项式有二个及二个以上的简单正根时，稳定性切换次数主要取决于两方面：一是该多项式的正根的个数，二是该多项式的每个正根对应的临界时滞序列中相邻两项差的大小关系来确定。

The method is based on the oxidation-reduction reaction between potassium iodide and nitrite.

建立了碘化钾与亚硝酸根氧化还原反应生成游离碘使异硫氰酸荧光素荧光猝灭测定痕量亚硝酸根的新方法。

The PGE is mainly occurred in kerogens and pyrites.

0-9，远高于其围岩；矿石中PGE主要赋存在干酪根和黄铁矿中，矿石中干酪根的PGE平均含量高达2556.51？

Methods The sensory root of semilunar ganglion of trigeminal nerve in the foramen ovale was punctured by needle, which connected with electrode of radiofrequency thermocoagulation instrument.

用穿刺针经前路法穿刺，到达卵圆孔内三叉神经半月节感觉根，连接射频温控热凝仪及相配套电极，先进行方波定位刺激，确认无误后，一次性快速加热至 88℃左右，在感觉根的 2～ 3个断面上热凝。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。