Abstract : a new algorithm w-ecop is presented to effect incremental changes on a standard cell layout automatically . this algorithm deals with cell inserting and cell moving based on rows instead of on cells as most placement algorithms usually do . an integer programming problem is formulated to minimize the adjustment on the initial placement and a heuristic method is presented to search for a shifting path so as to optimize the wirelength . test of w-ecop on a group of practical test cases shows that the algorithm can successfully accomplish incremental placement with good quality and high speed 文摘:提出了一種新的增量式布局方法w-ecop來滿足快速調(diào)整布局方案的要求.與以前的以單元為中心的算法不同,算法基于單元行劃分來進(jìn)行單元的插入和位置調(diào)整,在此過程中使對(duì)原布局方案的影響最小,并且盡可能優(yōu)化線長.一組從美國工業(yè)界的測試?yán)颖砻?該算法運(yùn)行速度快,調(diào)整后的布局效果好
Considered that the maturity of deep-formation source rocks is relative high and the practical tested geochemical index ( remnant organic carbon, hydrogen index etc ) can not objectively reflect the original abundance and original hydrocarbon-generating potential of organic matter in source rocks, original hydrocarbon-generating potential and original organic carbon of organic matter are restored from progressive recurrence using chemical kenetic models to calculate hydrocarbon-generating rate in this paper 本文利用化學(xué)動(dòng)力學(xué)模型計(jì)算的生烴率,建立并實(shí)現(xiàn)了通過逐步遞推來恢復(fù)有機(jī)質(zhì)的原始生烴潛力和原始有機(jī)碳。研究結(jié)果表明,松遼盆地北部深層恢復(fù)后的生烴潛力可達(dá)到恢復(fù)前的46倍,原始豐度可達(dá)到恢復(fù)前的2.2倍。
In this paper, a creative precise and carry-home stiffness testing system is designed for measuring stiffness of large sheet metal . this system overcomes difficulties such as instability, being hard to test displacement . except for the mechanism, this system uses a torsion sensor with high accuracy, a suit of step motor s and a pc with the given software to get an ideal effect in practical test 本文針對(duì)大型薄板類零部件剛度測量中的難點(diǎn),比如力的加載不穩(wěn)定、變形量測量困難等,設(shè)計(jì)出了一套精密的便攜式剛度測量系統(tǒng),系統(tǒng)在機(jī)械裝置基礎(chǔ)上利用了高精度傳感器、步進(jìn)電機(jī)和計(jì)算機(jī),并結(jié)合自主開發(fā)的測控軟件,在實(shí)際測試中,達(dá)到了較高的測量精度。
Its carrying out can scientifically and reasonably make up for the drawback between practice and theory . action research can give theory with practical testing and give practice with theoretical enlightment . so it relates practice and theory closely through reducing the barricade between them 行動(dòng)研究是社會(huì)科學(xué)研究方法的新取向,它彌補(bǔ)了長期以來理論與實(shí)踐相脫節(jié)的弊端,給理論以實(shí)踐的驗(yàn)證,予實(shí)踐以理論的啟示,大大減少了理論與實(shí)踐之間的中介,密切了理論與實(shí)踐的聯(lián)系,使實(shí)踐即時(shí)地在理論的指導(dǎo)下,發(fā)揮出理論應(yīng)有的力量。
The study on it is not deep enough, the creative difficulty on it is great and etc . 6 . the practical testing shows : there are obvious differences in the interest in wushu between the two group-one is carrying out the " course standard of physical culture and health ", the other follows the traditional teaching material and method ( p < 0.001 ) the purpose of this study is to improve the teaching level of wushu, our nation's traditional physical culture, to reinforce its popularity and education, to propagate our nation's traditional culture and to enhance the sense of national pride 教法方面,體育課武術(shù)教法研究存在教法的系統(tǒng)性不足、教法研究的深度不夠、教法的創(chuàng)新難度大等問題;6、實(shí)證研究表明:貫徹新《體育與健康課程標(biāo)準(zhǔn)》的實(shí)驗(yàn)組對(duì)武術(shù)的興趣和課后練習(xí)的次數(shù)與沿襲傳統(tǒng)教材、教法對(duì)照組相比更高,且具有顯著差異(p0.001);本研究旨在提高民族傳統(tǒng)體育武術(shù)項(xiàng)目的教學(xué)水平,加強(qiáng)中小學(xué)武術(shù)課的普及教育,以弘揚(yáng)祖國傳統(tǒng)文化,增強(qiáng)民族自豪感。