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This paper use Mirror closed extension to solve the problem of end effect. Mirror closed extension maps the signal into a periodic signal of the ring through the mirror image method, and there is no endpoint, and fundamentally avoids the end effects of EMD and Hilbert transform.
针对这一。。。更多问题,本文利用镜像闭合端点延拓来抑制端点效应,闭合端点延拓法即用镜像法把镜内信号映射成一个周期性的环行信号,不存在端点,从根本上避免了EMD和Hilbert变换的端点效应。
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This study is to give a solution for the estimation of flash point for mixtures, the necessity for classification of flammable liquids. The traditional models for predicting flash point of mixtures usually by the activity coefficient approach. However, the parameters of activity coefficient were regressed from phase equilibrium data in the literatures. If there is no such parameter in literatures for the desired mixture, the model cannot predict the flash point oft hat mixture. Thus, this research aims at the improvement of deficiency of the flash point prediction models in the literatures by useing UNIFAC (Universal Quasi-chemical Functional Group Activity Coefficient) equation, Dortmund-UNIFAC equation and Lyngby-UNIFAC equation. In this study, we were aim at the prediction model for miscible mixtures.From the result, it is suggested to use different type of UNIFAC equation to estimast activivity coefficient in the predition of flash point for different mixture type.
易燃液体分类的主要依据参数为闪火点值,因此本研究目的为解决易燃液体中混合物分类时所面临到的闪火点值缺乏的问题,而在过去文献中所提出的闪火点预测模式会使用到活性系数,但这些模式使用到的活性系数均需要相平衡的数据以回归其所需参数,若所欲估算闪火点的混合溶液文献上未有相关参数,则无法有效利用闪火点预测模式估算其闪火点,因此针对文献中现有闪火点预测模式的缺点,利用描述液体混合物活性系数UNIFAC (Universal Quasi-chemical Functional Group Activity Coefficient)方程式、Dortmund-UNIFAC方程式和 Lyngby-UNIFAC方程式,建立发展一闪火点预测模式,而本研究以互溶溶液为对象。
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I want to make use of my present visit to settle our claim on you for the 100 tons of Bleached Cotton Waste, as per Sales Confirmation No.
我想趁这次来访处理一下关于销售确认书1250E号100吨漂白皮棉的索赔问题。
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With the counterflow diffusion flame serving as an object of investigation and by the use of a detailed elementary reaction kinetics model based numerical analysis method a study was conducted of the influence of thermal radiation on the flame structure and NO x formation in a methane/oxygen enriched (oxygen concentration 60%) air diffusion flame.
在富氧燃烧的研究方面,国内已有一些利用富氧燃烧节能降耗的应用性报道,但是,对富氧燃烧的火焰特性以及污染物的排放等方面的基础特性研究还比较少。
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One thing that struck me was very much all the time, that's the day before yesterday, as usually Linyany and I walk at the way to the nearest square because we need to go to dancing, and at the same time we are along a stall, it's running puses, all of those are made of cowskin, the quality just ok and the price were right that I see,from ten yuan to twenty-eight, at that day we said we have to got one by use,But I pick one to one, I have no idea that what does one I should to take, I like the red one like that style, but all black and grey, red is better to me, at this time, stallmarster called one man and he came to him, i told he was worker near by our company from his workclothes, so it wasn't a lie, and then he taken the ten yuan from one puse said that the man,he said:" the money was keep back at the time when you picked," as you know it seems like is very piece of cake thing, but I thought three age can let people see the future of one people, bagatelle things can decided all the life.
前天晚上的一件事情,一直让我耿耿于怀,和平常一样我和林艳要去临近的广场跳舞,同时我们要路过一个卖皮包的摊位,它们都是牛皮做的,质量不错,价格也公道,在10到28元之间,那天我们说好得买一个来用,可挑来挑去,我不知道要买哪个,因为没有我要的红色,而都是黑色和灰色。
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Pause Shih , the psychical of collapse after one setback , light skillful move , out protect main feeling , this feeling overflow Yu,Use tight deduct heartstrings and clang the tone of powerful rhyme , adroitness crasis , entangled enzedder no going.
顿时,一蹶不振的心灵,轻巧地挪移,它娓娓道出护主之情,此情溢於言表,用紧扣心弦而鉴锵有力的音韵,巧妙融合,缭绕不去。
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The authors described their technique for the treatment of these fractures with use ofclosed reduction and percutaneous pin fixation and reported oerall excellent results, with no instances of nonunion, cubitus arus, malunion, additional surgery, or loss of motion.
作者描述了他们使用闭合复位,经皮克氏针固定治疗这些骨折的手术技巧,并报告取得良好效果,无一例不愈合,肘内翻畸形愈合,二次手术以及活动功能丧失。
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Even though the Cult of Ecstasy encourages the use of tools in achieving altered states, no Cultist would ever force drugs, sex or any other experience on another person.
即使狂喜教团一直鼓吹手段的作用,但是从没有Cultist强迫别人使用毒品、音乐或者其他手段。
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It is reported, new network will reach terminal user directly, the network of cupreous qualitative cable that needs company of use Australia telecommunication no longer.
据悉,新网络将直接到达终端用户,不再需要使用澳大利亚电信公司的铜质电缆网络。
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the paper introduces long curtate new unequal ofdm system.adopts long curtate unequal benefit to be not to require that the second order adding the circulation prefix,being therefore likely to lead into period stationarity,making use of signal therefore in launching an array,counting characteristic property realizing blind estimation of route.this technology includes three kinds of method : subspace decomposition,correlation matching,and maximum likeewise,monte carlo simulation show that whentheeb/no is low,function is better than the other kinds of method.
摘 要:提出一种采用不等长分组新的ofdm系统。采用不等长分组的好处是不需要加循环前缀就能在发射序列中引入周期平稳性,因此,可利用信号的二阶统计特性实现信道盲估计。信道盲估计主要分子空间分解、相关拟合和最大似然三种方法。结合monte carlo仿真表明,在信噪比较低时,结合子空间分解方法计算出的误码性能比其余两种方法好。
- 推荐网络例句
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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).
呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。
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The cost of moving grain food products was unchanged from May, but year over year are up 8%.
粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。
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However, to get a true quote, you will need to provide detailed personal and financial information.
然而,要让一个真正的引用,你需要提供详细的个人和财务信息。