查询词典 falling gradient

METHODS:Human bone marrow mesenchymal stem cells were isolated by combining density gradient centrifugation with plastic adherence .

方法密度梯度离心和贴壁培养相结合，分离纯化人骨髓间充质干细胞。

Methods Monocytes were isolated from peripheral blood of coronary heart disease cases by FicollHypaque density gradient centrifugation.

目的 建立人单核源性泡沫细胞的疾病模型，为动脉粥样硬化的发生发展机制及其防治研究提供新途径。

OBJECTIVE: To evaluate the effectiveness of swim-up and gradient centrifugation preparation techniques on intrauterine insemination.

目的：系统评价上游法和密度梯度离心法在宫腔内人工授精中的应用，比较两种精子优选法的优劣。

The gradient in this case is evaluated at the cell centroid where _0 is also stored.

为了更好的理解由这些宏所返回的参数，最好的方法是考虑一下上述计算是如何估计的。

Then the effect of different air flow rates on chlorobenzene migration and removal in sand tank with a certain hydraulic gradient was also studied.

又利用砂槽研究了在水力梯度一定的情况下，不同曝气量对氯苯迁移和去除效果的影响。

High Gradient Magnetic Separation of Solid Residue from the Chromate Leach Liquor -Ⅰ.

高梯度磁分离铬盐浸出浆液中的铬渣-Ⅰ。

The background model based on the mean and variance of gradient and chromaticity is using for detecting objects.

在运动目标检测中，利用像素梯度及色度均值、方差分布建立并实时更新背景模型。

Based on the 4 parameters, the chromatogram in any gradient condition could be simulated and predicted precisely.

借助这些参数，对五味子色谱的分离情况进行高精度仿真预测。

First, a special normal transversal at the initial point is constructed and a second-order Taylor's algorithm is used to trace the projections along the aforementioned normal transversal. A curvature based method for controlling iteration step is further proposed by projecting the given point onto the curvature circle of the normal transversal at the initial point. Finally gradient based method for correcting iteration errors is put forward.

首先构造初始点处的一条特殊的法截线，并给出沿着该法截线追踪投影点的二阶泰勒迭代方法；然后将给定点向初始点处的法截线的曲率圆作投影，提出基于曲率的步长控制策略，在此基础上给出了基于梯度的迭代误差矫正方法。

Weather of among them bureau ground strong precipitation happens in the typhoon circumfluent and high-energy gradient sharp edge area, because work,this basically is invade cause convection sex to be not stabilized those who cause.

其中的局地强降水天气发生在台风环流高能梯度锋区，这主要是由于干侵入引发对流性不稳定造成的。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。