root distribution

Study on the Root Distribution Properties in Tilth Layer of Winter Wheat Varieties

冬小麦耕层根形研究

Apply 1/ 3 times frequency range distribution acceleration root-mean-square value method and weighted method to evaluate the ride comfort of test vehicle.

采用1/3倍频带分布加速度均方根值方法及总加权方法对试验车辆的平顺性进行了评价。

Study on Space Distribution and Dynamic Changes of Root Absorption Activities of Field Winter Wheat

大田冬小麦根系吸收活力的空间分布及其变化动态的研究

By optimizing the radius of rounded corner at the root of thread and the structure of screw nut, and by changing the diameter of the root of thread, the concentrated stress was reduced, and stress distribution was improved for higher fatigue strength of the screw bolt.

通过优化螺栓螺纹根部圆角半径和螺母结构、改变螺纹根部直径的方法，缓解螺纹根部的应力集中，改善应力分布，实现提高螺栓疲劳强度的目的。

Studies on the root distribution of Longyan grape cultivar in pergola training system

龙眼葡萄棚架栽培条件下的根系分布

The root distribution in different tilth layer is different.

各品种在耕层不同深度分布也不同.

ObjectiveThe paper deals with space-time distribution pattern of emodin and chrysophanol content in rhizome, root head, root central, root tip, surplus root in Rumex gmelini.

目的研究毛脉酸模根茎、根头部、根中部、根尖部、剩余根的大黄素和大黄酚含量的时空分布规律。

Based on the measured data from the winter wheat fields in Zhengzhou of Henan Province, the vertical distribution of root length density ( RLD) and root mass density ( RMD) were analyzed.

根据在郑州进行的冬小麦根系田间实测资料，研究了根长密度和根质量密度在砂壤土中的垂直分布。

Regulation of water-fertilizer coupling on root distribution and absorbing ability in Triticum aestivum-Zea mays intercrop system

水肥耦合对小麦/玉米系统根系分布及吸收活力的调控

The three forms of the Compartment Model can describe the change of soil moisture in different season. ( 3) The thesis evaluates the suitability of fruit tree under the soil moisture content quantity according to the root distribution and soil moisture content of different layer.

苹果园深层土壤水分变化可用隔室模型进行描述。（3）综合考虑果树根系分布和不同土层土壤水分含量，定量评价了土壤水分含量对苹果树生长的适宜性。

Effects of nitrogen application and irrigation cycle on bell pepper root distribution and yield under subsurface drip irrigation

地下滴灌施氮及灌水周期对青椒根系分布及产量的影响

FEM and theory of space engagement incorporated, contact strength, main stress envelope on root of tooth, load distribution among teeth and effect that assembly error to transmission strength has been studied in this paper.

本文利用有限元分析方法，结合空间啮合原理，对侧隙可调式蜗杆传动的接触强度，蜗轮主应力分布，齿间载荷分配以及装配误差等进行了研究。

Patterns of root distribution were studied in various types of inbred strains and hybrids using the root box pin board method.

利用不同类型水稻品种和组合，采用根箱钉板法研究了全量根系在土壤中纵向和横向的分布特征。

Differences of Root Absorption Activity between Two Winter Wheat Varieties in Space Distribution

两个不同穗型的冬小麦品种根系吸收活力空间分布变化的差异

The Relationship between Root Distribution and Leaf Angle in Rice Plant

水稻根系分布与叶角关系的研究初报

According to the estimation theory of the disc area, we can get several main conclusions by researching into the distribution of the Characteritic root of matrix.

应用圆盘区域的估计理论，进一步研究矩阵的特征值的分布情况，获得几个推广的结果。

Effects of Root Morphology on Stress Distribution at the Root Apex During Orthodontic Treatment

正畸中牙根形态对牙根应力分布的影响

Study on Soil Characteristic and Root Distribution of Chinese Chive in Subsurface Drip Irrigation

地下滴灌对土壤特性及韭菜根系分布的影响

This paper present detailed analysis of the PID control in LCL filters control and obtained a stable PI controller through the root distribution analysis.

本论文详细分析了PID控制在LCL滤波器控制中的特点，通过分析闭环系统根的分布，得到了稳定的PI控制器。

Root Distribution Characteristics of Natural Grassland on Loess Plateau

黄土高原天然草地根系主要参数的分布特征