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Firstly, this paper uses the method of renormalization group to deal with the Ising Model of equilibrium phase transition and calculate and compare the critical index of the model of square cell with different lattices, which leads to the finding that the size of Kadanoff cell have greater influence on the approximate treatment of interactions between cells.
本文首先用重正化群方法处理了平衡相变的Ising模型,计算了不同格点数的正方形元胞模型的临界指数并进行对比,发现Kadanoff 元胞的大小对元胞间相互作用的近似处理影响较大。
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Based on the theory of least square method,combined with small residual sum of squares and large residual sum of squares,applied with the method of finite difference ,a new algorithm can be concluded .
从最小二乘法基本原理出发,结合大余量算法和小余量算法,运用有限差分的求导方法来求解Hessian矩阵,来推导试井分析中曲线自动拟合的新算法。
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The following conclusions have been reached, milk has an obvious absorption in the mid-infrared band, and the locations of the absorption peak are consistent with the attributes of molecule functional group analysis and the information from FOSS Company; the effects of the factors on the repeatability are below 3‰; For the quantitative analysis, the method of factorial design is applied to optimize the calibration set. The outliers are determined considering the residual variance distribution. The correlations are 0.990 and 0.986 for fat and protein, respectively. The Root Mean of Square Error of Prediction is 0.121 and 0.111 for fat and protein, respectively. With the application of the methods of wavelengths selection, the numbers of wavelength is decreased greatly from 3301 to 100. The speed is accelerated and the accuracy of the calibration is improved to some extent.
结果表明:牛奶在中红外的吸收特性明显,吸收峰的位置与分子结构的谱带归属以及乳品分析仪器的成功厂商FOSS公司提供的资料基本一致;各种因素对光谱测量影响的CV值基本可以控制在3‰以下;在定量检测中,通过析因设计方法优选校正集样品,结合样品的残差图确定奇异点,脂肪模型和蛋白模型的相关系数分别为0.990和0.986,预测均方根误差分别为0.121和0.111,而在采用波长选择对模型进行优化后,波长从3301个减为100个以内,加快了运算的速度,同时还在一定程度上提高了模型的精度。
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The simulation results of the 4-pass amplifier system with a small aperture reverser showed 1ns square pulse(1ω) with 2.8kJ energy could be obtained by employing 14 Nd:glass disks.
对带小口径电光开关的四程放大系统构型各种基本排布的模拟表明,采用14张钕玻璃片即能达到单路输出2.8kJ(1ω,1.5ns的要求。
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For phase error with root-mean-square value of π/3, more than 90% energy of the totally coherent combining counterpart will be contained in the target area with radius of 5.6 cm.
标 签 光纤光学相干合成非相干合成相位误差光束抖动 fiber optics coherent combining incoherent combining phase error beam jitter
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Electrolysis cloth, asbestos diaphragm cloth, asbestos cloth, cloth but woven with metallic asbestos yarn, asbestos yarn, twisted rope, braided round packing, braided asbestos square packing, asbestos round packing with PTFE, tape, glass fiber cloth, glass fiber rope,ceramic fiber cloth, ceramic fiber rope
保温隔热材料:陶瓷纤维布,玻璃纤维布,电解布,无尘电解布,隔膜布,普通石棉布、无尘石棉布,硅酸铝镍丝布,石棉铜丝网格布,石棉镍丝布,石棉铅丝布,石棉及无尘石棉制成的,电解及无尘电解材料,耐酸材料,陶瓷纤维,玻璃纤维制成的线、带、扭绳、编绳、圆绳
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There was the rich square bell tower of Saint-Jacques de la Boucherie, with its angles all frothing with carvings, already admirable, although it was not finished in the fifteenth century.
除了小堡,还有屠宰场圣雅各教堂的华丽方形钟楼,各个墙角布满雕像,尽管十五世纪时尚未峻工,却已经叫人赞叹不已了。
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Estimation of parameters for general liner functional model with singular covariance. First, the Rao decomposition of the sample variance and the known singular measure error variance are presented and then the square measure error with singular variance and the standardized condition are got.
首先讨论了样本协方差与已知的奇异度量误差方差的Rao分解,给出了含有奇异方差广义逆的二次度量误差和模型的标准化条件,证明了二次度量误差与广义逆的选取无关。
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Companies own production base, with 100,000 square meters of industrial plant and the standardization of more than 60 Units with the international advanced level of fully automated sanitary napkin and raw material production facilities, annual production of over three billion, the highest in the forefront of domestic and foreign counterparts.
公司自设生产基地,拥有 10 万平方米标准化工业厂房和 60 多台具有国际先进水平的全自动卫生巾及原材料生产设备,年产量超过 30 亿片,位居国内外同行前列。
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Onslow Square, an old boyfriend, early mornings sneaking home in last night's clothes; Sidney Street, Catherine Walker's Chelsea Design Studio for formal outfits; Chelsea Farmers' Market, long gossip lunches with a gang of girlfriends on "sickies", all playing truant from the office; and the King's Road with this faded glamour and rambling seediness, irresistible still.
翁斯洛广场,旧日的男友,穿着前天晚上的衣裳于大清早悄悄回到自己的家里;悉尼大街,专做西装的凯瑟琳-沃克的切尔西服装设计室;切尔西法默大市场,与一伙偷偷从办公室溜出来的姑娘们在一起边吃午饭边聊天,谈大家的"讨厌事";国王路尽管已无昔日风采,街上还有不少流浪汉,但它仍不失为吸引人的去处。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。