排序图表达了植物群落的环境梯度、结构梯度和人为干扰。
The environmental gradient, structural gradient and human-disturbance could be well expressed in the ordination plot.
通过对涂层梯度设计与工艺参数的控制，实现涂层成分梯度与结构梯度的分布。
Gradient condition of constituent and density in coatings have been achievement by a coating design and process control.
该团队使用这种方法来生产聚合泡沫，其孔隙梯度类似大自然中的细胞结构，如骨头和木头等。
The approach has allowed the team to generate polymeric foams with porosity gradients closely resembling natural cellular structures such as bones and wood.
该算法具有梯度型递推形式，结构简单、容易实现。
The algorithm is featured by the gradient type recursive form, of simple structure, easy to be used.
由于具有梯度结构，这些铋纳米线可能会作为一种新型的功能梯度材料得以应用。
These graded Bi nanowires may be used as a kind of new functional graded materials due to their gradient structure.
介绍了岩心渗透率梯度仪的设计思路、结构原理、检测精度及应用领域。
This paper introduces the design thinking, structure, principle, testing precision and applying domain of permeability gradient meter.
临床关联性：采用与临床相关的手术行脊柱半骺阻滞的实验方法表明在生长板结构建立了一个梯度。
Clinical Relevance: A method of spinal hemiepiphysiodesis with use of a clinically relevant procedure has been shown to create a gradient in growth plate structure.
结果表明：在本实验条件下，初始碳含量与渗碳温度是影响梯度结构的主要参数；
The results show that the carbon content and carbusintering temperature are the main parameters that influence the formation of gradient structure.
夜间边界层的极端梯度：结构、演变和可能原因。
Extreme Gradients in the Nocturnal Boundary Layer: Structure, Evolution, and Potential Causes.
在灰值形态学梯度算法和多方位形态结构元素形态学理论分析基础上，提出了提取遥感图像边缘信息的新方法。
Based on morphology grads algorithms and multi-direction morphology structure element of mathematical morphology theory, this paper presents a new method for remote sensing image edge detection.
结果表明，沥青层模量梯度对沥青路面结构表面剪应力有显著的影响。
The result indicates that there is a great influence of stiffness gradients of asphalt course on asphalt pavement structure shear stress.
本文讨论了丝网型回热器能在纯行波状态下起振的临界温度梯度与结构参数及运行参数的关系。
This paper analyses the critical temperature gradient of a regenerator under a simplifying assumption for different structure and operating parameters.
提出了一种基于几何原理求解结构可靠指标的高效实用算法，即随机梯度算法。
An efficient and practical stochastic gradient algorithm for calculating structural reliability index is presented in this paper on basis of geometrical principle of reliability index.
重点研究了生物活性梯度涂层中羟基磷灰石高温结构稳定性。
Structural stability of hydroxyapatite at high temperature in bioactive gradient coatings was studied.
切削试验表明：具有梯度结构涂层硬质合金刀片的切削性能比无梯度结构涂层硬质合金刀片的切削性能更为优良。
The cutting tests demonstrate that the cutting property of the coated cemented carbide with gradient structure is much better than those without gradient structure.
随着梯度结构层数的增加，应力缓和效果增强，但增强的趋势由明显变为平缓。
With the increase of the gradient layer number, the effect of thermal stress mitigation is more obvious, but the trend becomes smooth.
在碳钢表面制备了具有梯度结构的PPS/FEP复合防腐蚀涂层，采用拉开法测定了各涂层体系的结合强度。
The gradient PPS/FEP composite anti-corrosive coatings were prepared on carbon steel. The bonding strength of all coating systems was determined by the pull-off test.
本文介绍一种基于双h桥并联结构的梯度放大器的电路拓扑，并提出一种数字前馈控制算法。
This paper introduces a two-paralleled H-bridge topology and proposes a digital feed forward control scheme for the gradient amplifier.
从传统电位梯度和高梯度电阻片显微结构分析中得出，晶粒细小化是提高电位梯度的重要途径。
As seen from convenient microstructure of varistor with high gradient and discharge capacity the essential way to enhance electric gradient is crystal miniaturization.
该算法采用了相位梯度算法(PGA)的处理结构，利用了多个距离单元上的散射点信号。
In the algorithm, the phase gradient algorithm (PGA) was performed, and the signals of multiple scatters on a few range bins were utilized.
本研究设计了适用于GPS单点定位计算的BP人工神经网络模型结构，采用共轭梯度算法改善网络的训练速度和精度。
The BP network architecture applied to determine GPS standalone position is designed. Meanwhile, the conjugate gradient algorithm is used to improve the training velocity and accuracy of the network.
由于微结构效应，基于梯度塑性理论的剪切带内部的最大塑性剪切应变及最高温度的预测值高于经典理论的预测值。
The prediction values of shear strain and temperature in shear band based on gradient-dependent plasticity are higher than those by use of classical elastoplastic theory.
算例表明此种并行子结构共轭梯度法在网络上能获得较高的并行加速比。
Examples show that the proposed parallel substructure conjugate gradient method can achieve better parallel speedup ratio for network.
文中详细研究了梯度高分子溶液在不同频率下，聚合物厚度及梯度结构的变化对反射声衰减效果的影响。
The effects on the underwater sound attenuation by the thickness and concentration gradient of polymers were measured in a sound tube at different frequency during the polymers dissolution process.
混凝土和钢筋上部结构正垂直温度梯度。
Positive vertical temperature gradient in concrete and steel superstructures.
从渗流阈值讨论了这两个体系功能梯度材料的重要显微结构因素。
The important microstructural parameters of these two functionally gradient materials have been inferred from their percolation thresholds.
该法适用于区域内点、围绕边界的尖角点、边界或内部同心圆弧及同心圆四种特殊区域的网格改进，为实际工程结构应力梯度突变或变化较大处网格细化提供了十分方便的手段。
The scheme adapts to refine the meshes of special regions, such as interior points, around corner points, arcs and circles, which are usually failure regions of parts because of great stress gradient.
最后对所设计的体系和孔梯度结构进行了工艺实现。
The porous gradient ceramic membrane was developed successfully at last.
最后对所设计的体系和孔梯度结构进行了工艺实现。
The porous gradient ceramic membrane was developed successfully at last.
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