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2018-3-15 · The numbers are also derived using inspectional and dimensional analysis (DA), while memory concept is used to develop some groups. In addition, this article presents relationships between different dimensionless numbers. Results show that proposed numbers are measures of thermal diffusivity and hydraulic diffusivity of a fluid in a porous media
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2019-3-12 · 小绿叶. OHEM是CVPR2016的文章，它提出一种通过online hard example mining 算法训练Region-based Object Detectors，其优点：. 1.对于数据的类别不平衡问题不需要采用设置正负样本比例的方式来解决，这种在线选择方式针对性更强。. 2.当数据集增大，算法可以在原来基础上提升
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Dimensionless parameters have been developed to study microstructural pathways for the sintering of powders. These parameters are designed to facilitate the comparison of microstructural paths for
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2020-5-18 · 我也是刚学，如有任何问题，可以邮箱联系我： [email protected] 本项目会涉及如下：. 在项目中，一般每一部分只由一篇博客构成，但是如果比较难的话会分为两个部分，前一部分为python代码实现，后面一部分为介绍。. 数据挖掘入门系列教程（一）之
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parameter - any factor that defines a system and determines (or limits) its performance. factor - anything that contributes causally to a result; "a number of factors determined the outcome". 3. parameter - (computer science) a reference or value that is passed to a
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2017-1-3 · Data Mining is primarily used today by companies with a strong consumer focus — retail, financial, communication, and marketing organizations, to “drill down” into their transactional data and determine pricing, customer preferences and product positioning, impact on sales, customer satisfaction and corporate profits
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2021-7-30 · 早报｜比特币矿企Compass Mining允许用户将挖矿所得直接发送至IRA账户来避税 2021-07-30 10:24 来源: 耳朵财经 返回搜狐，查看更多 责任编辑： 声明：该文观点仅代表作者本人，搜狐号系信息发布平台，搜狐仅提供信息存储空间服务。 阅读
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The dimensionless parameter and conditions found to promote sheet flow also allow to address the advantages and limitations of different discharge operation strategies, such as operating the tailings facility by sectors (allowing drying cycles) of varying
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PDF | Close-range blasts pose a threat through severe damage to structures and injury or death. In this work, the spatial and temporal descriptions of a... | Find, read and cite all the research
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2019-4-16 · In this study, the effect of dimensionless hydrodynamic parameters (Reynolds number [Re], Froude number [Fr], Weber number [We], and bubble Reynolds number [Reb]) on the flotation rate of coal particles was investigated and a sudden increase in coal flotation rate was observed at Re = 89,800. For either more quiescent (Re < 89,800 and Fr < 2.4) or more turbulent (Re > 89,800 and Fr >
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2001-1-1 · The dimensionless parameter αB, which is the product of the Biot coefficient and the Skempton coefficient, is therefore a measure of the strength of coupling between pore fluid effects and macroscopic deformation, in that (32) ε b (undrained) ε b (drained) =1−αB
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Oct 01, 2008 · The prospectus of most mining companies will give their numbers for just that. I owned some in a couple of mining companies and in each the annual report told of this mine or that, how many tons of ore they dug, how many ounces of gold they extracted, and how much per ton of ore or ounce of gold extracted was the company''s cost
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2018-2-4 · Early Warning: ADB.Miner A Mining Botnet Utilizing Android ADB Is Now Rapidly Spreading. About 24 hours ago, around 2018-02-03 15:00 (GMT +8), a set of malicious code began to spread rapidly, here are some quick facts: Timeline : the earliest time of the infection can be traced back to January 31. And the current worm-like infection was
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2002-9-1 · The choice of a general criterion to determine the shear strength of rough rock joints is a topic that has been investigated for many years. The major problem is how to measure and then to express the roughness with a number (e.g., joint roughness coefficient) or a mathematical expression in order to introduce the morphology of the joint into a shear strength criterion
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Stone Crusher Manufacturers for Sand, Quarry, Mining and Stone Crusher Manufacturers for sand, quarry, mining, and construction JXSC mine machinery factory set up in 1985 which has three series machines The crushing machine, sand making machine and mineral processing equipmentThe types of stone crushers are cone crusher, jaw crusher, impact
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AMiner利用数据挖掘和社会网络分析与挖掘技术，提供研究者语义信息抽取、面向话题的专家搜索、权威机构搜索、话题发现和趋势分析、基于话题的社会影响力分析、研究者社会网络关系识别等众多功能。
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