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The property of mechanical erosion for different refectories at room temperature has been studied through experiment.

在金属电沉积过程中,通过装置的电流随沉积时间的变化情况,从分形维数的角度对实验获得的金属铜、金属锌电沉积产物形貌与电解实验所使用的电解液浓度、外加电压以及实验温度等条件的相互关系进行了研究。

We determined the composition of soil aggregates with dry sieved method, and analysed fractal dimensions of soil aggregates and the effect factors.

根据植被和土壤类型,从黄土高原不同地域分别采集22个0~20 cm土层土壤样品,利用干筛法测定其结构体组成,分析土壤结构体分形维数及其影响因子。

It is well known that the community compositions often evolve from complex to simplexes under pollution stress.

拐点尺度以前,分维数较高,表明群落组成复杂,群落所受污染压迫较小。

The theories of the quantified representation of color vision, the color space, the color reproduction and the color vision model, all of which are the foundations of color management, are studied. The dimension of color space and the problem of current uniform color space are discussed. A survey of the techniques related to print color reproduction is given.

本文研究了色彩管理的基础理论,包括颜色视觉的量化表示、色彩空间、色彩再现、颜色视觉模型,讨论了目前均匀色彩空间的问题和色彩空间的维数,对现有的打印色彩再现算法进行了综述。

It has provided not only a way of quickly distinguishing between an artificial object and a natural object, but also a way of getting the rough contour curve through the changes in chain code.

提出了利用计算物体轮廓分形维数的方法区分人工目标和自然物体的快速识别方法,给出了通过链码的变换得到待识别目标的轮廓粗糙性曲线的具体算法。

Hydro-pneumatic suspension ; Mathematical model ; Nonlinear ; Computer simulation ; Stiffness ; Damping ; drilling machine ; fractal dimension ; fractal model

吉林大学;王智明油气悬挂;数学模型;非线性;计算机仿真;刚度;阻尼;钻机;分形维数;分形模型

By the fractal dimension of the difference chart of input character, we obtain a fractal feature to classify the input models.

该方法通过抽取字符差异图的分形盒维数特征,来对字符进行模式分类。

So our definition is a kind of DG generalization of the global dimension of connected graded algebras.

因此我们的定义是连通分次代数整体维数的一种推广形式。

At the same time, the flocs's fractal dimension of the two coagulants was tested in different coagulation conditions.

同时,笔者还对不同混凝条件下两种混凝剂产生的絮体分形维数进行了测定。

If cols = 0, then a a one dimension array is

如果cols = 0,则机管局一维数组的装箱。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力