查询词典 gradient

METHODS: Bone marrow was extracted from the anterior supervior iliac spine or the posterior superior iliac spine of canines of the cell transplantation group through puncture. BM-MNCs were isolated by the Ficoll density gradient isolation, and labeled with CM-DiI.

细胞移植组于髂前上嵴或髂后上棘穿刺抽取骨髓，经Ficoll密度梯度离心法分离获取骨髓单个核细胞，行CM-DiI标记。

The gradient is composed of four solid-color circles blended together, each with an effect point as its center.

这个渐变颜色是由四个尸体颜色圆形层混合成的，每个圆形图层的控制点位于自身的中心位置。

First an advanced snake model based on the gradient vector field was used to segment the contour of the left ventricular and an initial snake line of the contour was got, then optical flow method was used to track the contour of the LV in the successive images. Finally, the Simpson method was applied to calculate the volume of the LV.

首先采用基于梯度向量流的主动轮廓模型对左心室内膜进行分割获取初始轮廓线，再采用光流法跟踪得到心脏序列中后续帧图像的心腔内膜轮廓线，最后采用Simpson方法计算得到左心室容积。

Results showed that the sediment transportation ratio increased with the discharge of flow increased and changed in parabola form with the slope gradient.

结果表明径流输沙率随径流流量的增加而增加，径流输沙率随坡度呈抛物线形式变化，当坡度在21°~24°之间时输沙率最大；径流剪切力也具有类似变化。

The mount of rainfall to soil water is affected largely by rainfall volume and its intensity, rainfall duration, slope gradient, position on slope, land use form, and land type, etc

降雨向坡面土壤中转化的水量受降水量、降雨强度、历时、坡面坡度、坡位、坡向、土地利用方式、土地类型等因素影响。

Maximal gradient ; Maximal slope length ; Tractor skidding trail

最大坡度；最大坡长；拖拉机集材道

The conclusion is that the maximal gradient: of the tractor skidding trail depends on: the adhesive force while the tractor is uphill without load, when the full loaded tractor is downhill using the engine to brake the tractor and control the tractor velocity, the reliable lubrication of the engine.

结论是：规范关于集材坡道最大坡度的规定，主要由空车上坡时附着力、重载下坡时利用发动机制动且变速器挂低档控制拖拉机下滑速度及保证发动机可靠润滑等因素决定。

It is then proved that every equation in the hierarchy possesses the Hamiltonian structure if L has a skew-symmetric factorization and the first equation in the hierarchy satisfies some simple condition (K〓=θf〓 and f〓 is a gradient function).

然后在L具有反对称分解L=θJ，及等谱发展方程族中第一个方程满足简单条件（K〓=θf〓，f〓一个梯度函数）的假设下，获得了整个方程族的Hamilton结构。

Base on the magnetic performance of gas, the moment of rotation of a dumbbell is derived when it is in a nonuniform magnetic field. A design of the measuring cell is proposed, a rotary resistance for the dumbbell ball is implemented by a silver-coated erosion approach, and the techinque requirements are analyzed for the nonuniform gradient magnetic field.

从气体磁性推导出了哑铃球在非均匀梯度磁场中受到的转动力矩公式，给出测量池系统的设计方案，采用镀银刻蚀方案实现哑铃球系统的转动阻尼，分析了非均匀梯度磁场系统的技术要求。

Then, we take forward to the Distributed Merging Algorithm, a hierarchical structure to discover the stream synopsies from all leaves to root node, through setting the precision gradient to optimize the communication load and overhead of distributed system.

并提出了基于Lossy Counting算法的、分布式的合并算法DMA的一种分层结构来发现从叶子结点直至根结点的概要结构，并通过设置精确梯度使网络数量最小及数据中心和网络链接所消耗的计算资源最小来优化分布式系统的通信负载。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。