記憶性 的英文怎麼說
中文拼音 [jìyìxìng]
記憶性
英文
bm-
The properties of calorifics, crystallinity, mechanism and shape memory were studied and the effect of structures on propt es were studied through the relationship between them
在材料篩選工作的基礎上,合成了具有形狀記憶功能的線型聚氨酯彈性體。研究了它的熱學性能、結晶性能、形狀記憶性能、機械性能。The properties of polyurethane ionomer were studied, including calorifics, dynamic mechanism and shape memory. comparing to the liner shape memory polyurethane non - ionomer, ionomer has superior effect on shape memory behavior and water vapor permeability especially the water vapor permeability increased from 5 - 8 times of liner smp to 20 - 30 times of ionomers lastly the novel crosslinked shape memory polyurethane was synthesized, which shape recovering temperature were randomly controlled and can completely recover original shape. the properties of polyurethane were studied, including calorifics, dynamic mechanism and shape memory
然後,在此基礎上合成了離子型形狀記憶聚氨酯材料,對其熱性能、動態力學性能、形狀記憶性能、透濕氣性能進行了研究,並與普通非離子型形狀記憶聚氨酯進行了比較,研究發現離子型形狀記憶聚氨酯具有更大的軟段結晶度、更好的形狀記憶性能、更優越的力學性能和透濕氣性能,尤其是其透濕氣性能有了非常顯著的提高,其高溫段濕氣滲透率是其低溫段濕氣滲透率的20 30倍,遠遠大於線型形狀記憶聚氨酯的5 8倍。From this basic thought we can see, because of the square number of now time news voice is the limited item square number to returned to return in the past, it ’ s means that the motion of the news voice have the certain memory, therefore, if in past every moment the square number of the news voice differed to become big, so the square number of the news voice differed to usually also come after it to
從這個基本思想中可以看出,由於現在時刻噪聲的方差是過去有限項噪聲值平方的回歸,也就是說噪聲的波動具有一定的記憶性,因此,如果在以前時刻噪聲的方差變大,那麼在此刻噪聲的方差往往也跟著變大;如果在以前時刻噪聲的方差變小,那麼在此刻噪聲的方差往往也跟著變小。It was found that the high, ystallinity of the soft segment regions and the formation of hard segment domains are the necessary conditions for polyurethane with good shape memory behavior. secondly, shape memory polyurethane ionomer was synthesized
並從結構與性能的關系入手,深入探討了形狀記憶聚氨酯的結構對其形狀記憶性能的影響,發現軟段高度結晶和硬段聚集形成硬段微區是聚氨酯具有較好形狀記憶性能的必要條件。The index distribution has an important property of " no memory "
指數分佈有一個重要的性質「無記憶性」 。Its applications include in the fields of information engineering, electronics industry, theory of controls and economic, etc. for example, we use geometric distribution to describe the life distribution of runs of a species in transect surveys of plant populations and inventory demand distributions. in the theory of reliability, geometric distribution is one of the most important discrete probability distributions because of its loss of memory
在可靠性理論中,由於幾何分佈的無記憶性,使得其是離散型壽命分佈中最為重要的壽命分佈之一,其相當于指數分佈在連續型壽命分佈中的地位,這正如程侃研究員在文獻[ 5 ]中所指出的「在離散壽命的情形,幾何分佈起著連續情形下指數分佈所起的作用」一樣。Influence of the hard - segment content on the shape - memory performance of thermally stimulated shape - memory polyurethanes
硬段含量對熱致形狀記憶聚氨酯材料記憶性能的影響The factors and their internal relationships, according to grey system theory, can be abandoned, while the chronological sequence of sales volume, as a comprehensive grey variant, can be used to find out useful information, that is, its dynamic memory can be used to set up grey model to find out the internal laws for refit vehicle sale volume and further forecast future sale volume
根據灰色系統原理,可不去研究這個復雜的系統內部的因素及相互關系,而從銷售收入時間序列這個綜合灰色變量本身去挖掘有用信息,利用它的動態記憶性,建立灰色模型來尋找和揭示系統改裝汽車銷售收入的內在規律,並以此建模,對未來銷售收入做出預測。River triumphant pe burns the trachea production equipment to use the german battenfield polyethylene tubing to squeeze out the production line, its unique sieves the basket type nose design, can effectively destroy the polyethylene raw material thus guarantees the polyethylene tubing to have the performance in the use which the fine anti - slow crack growth and the anti - fast crack expands
凱佳pe燃氣管生產設備採用德國battenfield聚乙烯管材擠出生產線,其獨特的篩籃式機頭設計,能有效地破壞聚乙烯原料的記憶性,從而確保聚乙烯管材在使用中具有優良的抗慢速裂紋增長和抗快速裂紋擴展的性能。Empirical study on long memory in chinese stock market
中國股市長記憶性實證研究Research on the long memory in chinese stock market returns
中國股票市場收益的長期記憶性研究Empirical research on the long memory of the stock market volatility series
股票市場收益率波動長記憶性的分解及實證研究Shape - memory polymer and the theory of shape - memory were reviewed in this paper
由硬段和軟段組成的聚氨酯表現出很好的形狀記憶性。Return volatility analysis in stock market of china : high frequency data showing the characteristic
上海股市收益序列的長期記憶性建模分析及預測An empirical research on the influencing factors of long memory of volatility process in chinese stock market
中國股市波動過程長期記憶性影響因素研究As hurst parameter estimated bias exists, the precision may be improved by using non - linear estimate, where arfima model is proposed and used for verification
從統計結果來看,樣本序列呈現出尖峰、胖尾等有偏特徵,明顯不滿足正態分佈的假設,表明收益序列可能具有長程相關或記憶性。Second, the questioning in class is dominated by teachers, too. using some low level questions that need simple reasoning and memory mainly to make sure whether the students, understand the knowledge or not
( 2 )課堂上的提問也是完全在教師的主導之下,以低層次的推理性、記憶性回答為主,目的是檢查學生是否接受了,而「學問學問,貴在會問」 ,我們的學生會經常向你提問嗎In chapter 3, firstly, we do some demonstration on the long memory character and the statistical cycle of the return series using the r / s analysis method and the dfa method, and we do some research on the stability of the r / s analysis method, the difference and the contact between the two methods too. secondly we account the characteristic index and the tail index of the fractal distribution, we do some demonstr - ation study on the tail index of our country ’ s return series. lastly we summarize the results of our demonstration
第三章中,首先運用r / s分析法和dfa法對中國股市收益率的長記憶性和統計循環周期進行了實證研究,並且研究了r / s分析法的穩定性以及r / s分析法與dfa法的區別與聯系,其次我們論述了分形分佈中的特徵指數以及尾部指數,對中國股市收益序列的尾部指數進行了實證研究,最後總結了實證研究的結果。Triumphant good pe uses the german battenfield polyethylene tubing for the water pipe production equipment to squeeze out the production line, its unique sieves the basket type nose design, can effectively destroy the polyethylene raw material, thus guarantees the polyethylene tubing to have the performance in the use which the fine anti - slow crack growth and the anti - fast crack expands
凱佳pe給水管生產設備採用德國battenfield聚乙烯管材擠出生產線,其獨特的篩籃式機頭設計,能有效地破壞聚乙烯原料的記憶性,從而確保聚乙烯管材在使用中具有優良的抗慢速裂紋增長和抗快速裂紋擴展的性能。Comparing to the liner shape memory polyurethane, the shape recovering temperature of the crosslinked polyurethane was randomly controlled and the crosslinked polyurethane has completely shape memory behavior. to explain the process of shape memory through mathematics, the mathematic model was established and tested
深入探討了交聯型形狀記憶聚氨酯的結構對其形狀記憶性能和其它性能的影響,通過與線型聚氨酯的比較,發現交聯型聚氨酯具有形狀回復溫度可以任意調節以及可完全回復形狀的特點。分享友人