gradient的例句大全

Since Lancang river belongs to the typical mountainous rivers. The waterway equipped with rapid flow, large falling gradient and many bends.

澜沧江属于典型的山区河流，航道普遍存在着水流急、比降大、弯道多的特性，这些严重地威胁着船舶航行的安全。

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It was discovered that IQ fastigium age was before 7 years and there was a falling gradient in IQ between 8-10. As a conception of "warning age" in IDD area and that of "key age" for prevention and treatment were established.

由于发现IQ高峰年龄在7岁以前及8～10岁时间有个IQ跌梯现象，故提出缺碘地区的警界年龄、防治的关键年龄概念。

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First, we establish the data items of variational optic flow computation, which can effectively calculate optic flow under six cases, such as brightness constancy assumption, brightness gradient constancy assumption and brightness divergence constancy assumption and so on.

首先建立了变分光流计算的数据项，能有效地计算光亮度不变、光亮度梯度不变、光亮度散度不变等假设前提下光流场计算的6种情形，推导了数据项设计的策略和方法。

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The numerical solution of optimal parity vectors is obtained by gradient method.

基于梯度法得到最优一致向量的数值解.

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Gradient compression hose also have been shown to increase local and regional intrinsic fibrinolytic activity.

这种长袜也能增加局部和区域的自身纤溶活性.

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Spatial encoding using gradient magnetic fields is the key technique in nuclear magnetic resonance imaging ( NMRI).

利用梯度磁场实现检测信号的空间编码，是核磁共振成像（MRI）的关键技术。

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Taking for example auto-detection of surface defects of E-shape magnetic tach, this paper analyzes the characters of product surface images. An adaptive image segmentation algorithm based on information of gradient-histogram is presented to improve detection precision of product surface defects and reduce the cost.

为了提高产品表面缺陷检测精度并降低检测成本，文章以E型磁环表面缺陷的自动检测为例，分析了产品表面图像的特征，提出了一种利用梯度直方图信息的图像自适应阈值分割算法。

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Application of Gradient Analysis in the Evaluation to Rice Appearance Quality

梯度分析在稻米外观品质评价中的应用

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The relationship between environmental factors ( climate and soil) and plant life form gradient was analysed by doub sieving progressive regression method, and mathematical models were set up.

并用双重筛选逐步回归的方法分析了环境（气候和土壤）因子与植物群落生活型谱梯度的关系，建立了相应的数学模型。

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Adjust the gradient so the white is at the top of the shape.

调整梯度,使白皮书是在顶部的形状.

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Collagenase perfusion method and percoll gradient centrifugation can be used to isolate HOC effectively, which is a effective methods to isolate adult liver stem cells.

胶原酶消化法与Percoll密度梯度离心能有效地分离HOC，是分离成体肝干细胞有效的方法。

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The enzyme activity recovery rate was about 33%. The stepwise purification of the enzyme had similar results as the gradient method, but was more convenient for handling large volumes of cell supernatants.

批量处理纯化重组保幼激素酯酶时酶蛋白活力回收率33%，效果与梯度分离方法相当，但简便快速，可作为大量分离纯化的第一步。

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Conclusions The number of cells density gradient centrifugation method than with whole marrow method.

结论梯度离心法较全骨髓法收获细胞数量大.

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Methods Rat gastric parietal cells were isolated by pronase digestion and purified by discontinuous density-gradient centrifugation.

方法采用链霉蛋白酶消化、间断密度梯度离心纯化大鼠胃黏膜壁细胞.

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Computer simulation of the stationary domain in a Gunn diode with a positive doping gradient near the anode

Gunn器件中掺杂梯度引起的静止畴的计算机模拟

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However, as elevating doping gradient and reducing the medium thickness, the intensity of ASE effect will rises and depress the gain efficiency.

但是，随着掺杂浓度梯度的升高与介质片厚的降低，介质的增益水平将由于ASE效应降低。

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Study on the Al/ Ag doping functional gradient thin films deposited by pulsed excimer laser

脉冲激光沉积Al/Ag掺杂功能梯度薄膜

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By using the definition of effective doping concentration gradient and depletion approximation, an analytical solution for avalanche breakdown voltage of double sided asymmetric linearly graded junction has been derived.

通过有效掺杂浓度梯度的定义和耗尽近似求解，得到非对称线性缓变结击穿电压的简洁表达式。

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A novel structure of ideal ohmic contact p+ ( SiGeC)-n& n+ diodes with three-step graded doping concentration in the base region is presented, and the changing doping concentration gradient is also optimized.

将新器件结构与新型半导体材料相结合，提出了一种新型的n-区三层渐变掺杂理想欧姆接触型p+（SiGeC）-n&n+异质结功率二极管，并对n-区的杂质分布梯度进行了优化。

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Based on the principle, the phosphor is determined by reversed flow injection gradient dilution method.

据此,提出利用流动注射梯度稀释技术来分析炉水中的磷.

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