查询词典 root system

Apeak distribution of root system in maize along soil profile as following: In flare opening stage peak value of dry weight of root in 0-20cm, dry weight of root reduced quickly with the increasing soil layer thickness.

根系干重在土壤中的垂直分布情况为：在大喇叭口期以前，根系干重峰值出现在10-20cm的土层内，而后随着土层深度的增加根系干重迅速下降。

The brace root number could indicate the root system and root activityduring grain filling stage.

气生根量是根系发达和花后根系活力直观的诊断指标，与花后物质积累量及产量呈正相关。

Salt absorption, transpiration induced water uptake and the radial reflection coefficient of the root system of arrowleaf saltbush were measured in order to analyze ultrafiltrational characteristics of its root system in relation to salt tolerance of the plant.

对耐盐蔬菜三角叶滨藜在盐胁迫下的蒸腾吸水量、Na吸收和根系径向反射系数进行了测定，分析其根系超滤特性与植物耐盐性的关系。

The exterior of root system of Melilotodes in adult period mostly covers a flat thick"velamen"in the course of growth and development. The polysaccharide in the interior of root system lies in secondary phloem and secondary xylem and xylem ray ,which distributes uniformity.

在生长发育过程中，生长5年的扁蓿豆成株大部分根系外面覆盖了一层厚厚的"根被"，其根系内部多糖存在于次生韧皮部和次生木质部及木质射线中，颗粒在细胞中分布较均匀。

The exterior of root system of alfalfa in adult period hasn't velamen. The polysaccharide in the interior of root system lies in partial secondary phloem and xylem ray of secondary xylem, which doesn't distribute uniformity.

这与苜蓿有差别，苜蓿成株根系外侧没有"根被"，且根系内部多糖存在于部分次生韧皮部和次生木质部的木质射线中，分布不均匀。

Mangroves have a well-developed intertwined root system and can effectively hold back suspended substances of land based sources like mud, protecting coastal banks and embankments from wind and wave. Mangroves have a special ecological adaptability such as viviparity, special root system, ability to filter salt out, etc, and the organisms under the mangroves are diverse. The mangroves can therefore act to purify water and to reduce occurrence of red tides.

红树林由于盘根错节的发达根系，能有效地滞留陆地来源的泥沙等悬浮物质，起到防风消浪、固岸护堤的作用；红树林特殊的生态适应性—胎生、特殊根系、泌盐等，及其底栖生物的作用，使红树林具有净化水体、减少赤潮发生的作用。

Through the introduction of N-catch crop with deep root system, it is possible to reutilize the nitrate-nitrogen leached out of root zone of vegetable in the vegetable-catch crop rotation system based on the phytoremediation principle.

另一方面，由于蔬菜的根系较浅，因此需要频繁的灌溉，这又使得累积在土壤中的氮素很容易被淋洗到根层以下，对作物基本无效。

As to Write clover and Bermudagrass, theirs root system tensile strength P and root system diameter relation of D fit with index comparatively accurate, comparatively accurate with the method that the multinomial fits to the Amopha fruticosa.

对于白三叶和狗牙根，其根系抗拉强度P和根系直径之间D的关系用指数拟合较为准确，对于紫穗槐则用多项式拟合的方法较为准确。

Discovered cycads'root system is fibrous root system,it is not taproot sysem which was widely thought in former times.

发现苏铁类植物根系为须根系。而过去均认为苏铁类植物为直根系。6。

It is the soil mass maintained by the umbrella-shaped root system of trees during the geological history,and it is formed by the interactive compression of tree load and growth of main root system and by the differential compaction of surrounding soil mass;in other words,it also is a kind of the sedimentary textite or sedimentary structure formed under the influences of biological process.

它是地质历史中，树木伞状根系所维系的土体，在树木的自重荷载和主干根系生长的相互挤压作用下与外围土体的差异压实造成的；换言之，它又是一种在生物作用影响下形成的沉积结构体或沉积构造。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。