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It is seen that regular circulations of velocity pattern and temperature pattern at meniscus.

而noz15d之注嘴设计可产生较小的F值及较高的模液面平均温度,是较佳的注嘴设计。

The fund, the fund manager, the proposed CengGuoFu stock dividends from its own characteristics, in the short-term market instability of the situation, the safety stock dividend is relatively high, and have a strong defensive, But in the long run, the stock dividend growth also very stable, is relatively minor fluctuations in the premise for investors YuDaPan relative excess return of.

该基金拟任基金经理曾国富表示,从红利股票自身的特点来看,在短期市场不稳定的形势下,红利股票的安全性相对较高,具备较强的防御性;而从长期来看,红利股票的成长性也十分稳健,有望在波动相对较小的前提下给投资者带来相对于大盘的超额回报。

An improved Schur multistep method has been presented for controlling error severely cumulating and increasing computational accuracy.

为解决刚性问题中导函数项的"病态性"(导函数中同时含有较大参数和较小参数),本文提出了一种改进的Schur积多步法,数值实验表明,该方法能很好地抑制误差的急剧累积,与原方法相比,计算精度得到较大提高。

Some conclusions are inducted through the study: first, grid nudging with the rountine observed data in the MM5 simulation of atmospheric duct affects less over the sea than the land;Second,how much of sigma levels have great influence on simulation of atmospheric duct and the MM5 simulation with more sigma levels depicting the atmospheric ducts are reasonable; Last, multiple nests are allowed on a given level of nesting domain in the MM5 model.

通过研究得到了以下结论:(1)利用常规资料进行格点同化对海上大气波导影响较小,对陆地影响较大;(2)垂直分层对大气波导特征参数影响明显,层数较多描述大气波导比较合适;(3)对于海上大气波导,细网格刻画大气波导特征参数比较细致,但粗网格的模拟已经足够进行大气波导分析。

In view of special applications of multi-pole magnetic permanent torque motor used for precise numerical control rotary table, motors with higher torque density and lower torque ripple s are needed.

针对精密数控转台伺服直接驱动用多极永磁力矩电机的特殊应用问题(要求电机有较大的转矩密度且较小的转矩波动),在分析该种电机的特殊结构的基础上,提出一种新型不等齿顶宽结构,以提高绕组利用系数,加大电机的转矩密度;并采用转子斜极的方法,可在有效消除转矩波动的同时,电机仍保持较高的绕组利用系数。

In view of special applications of multi-pole magnetic permanent torque motor used for precise numerical control rotary table, motors with higher torque density and lower torque ripples are needed.

针对精密数控转台伺服直接驱动用多极永磁力矩电机的特殊应用问题(要求电机有较大的转矩密度且较小的转矩波动),在分析该种电机的特殊结构的基础上,提出一种新型不等齿顶宽结构,以提高绕组利用系数,加大电机的转矩密度;并采用转子斜极的方法,可在有效消除转矩波动的同时,电机仍保持较高的绕组利用系数。

This paper aims to investigate structural health monitoring oriented finite element modeling for the tower of long-span bridges.

首先采用不同的方法分别建立了大跨桥梁索塔的精细有限元模型和简化模型,运用环境振动实测结果对简化有限元模型进行了修正,并和精细模型计算结果相比较;研究结果表明:严格按照设计图纸建立的精细有限元模型计算得到的动力特性与索塔现场环境振动实测值之间的误差较小,而未经修正的简化模型误差较大,由此说明:大跨桥梁在有限元建模时应尽可能详细地反映结构的几何与材料特性,在此前提下,对于设计资料全面的桥梁结构,建立有限元模型时就只需要修正那些无法用数学和物理方法模拟的不确定因素。

Experimental results from the simulation show that the system has a robust, and fast control performance with little overshoot.

仿真结果表明,该控制策略具有较好的快速性、较小的超调量和较强的鲁棒性。

If the low amount of larger than usual amount of usage and the peak is not large, the usual approach abroad is relatively small displacement of the compressor to obtain a larger displacement in parallel, with each increase用气量boot, so that not only Power is good, but also save energy.

如果低谷用量较大,而通常用量和高峰用量都不大,国外通常的办法是以较小排气量的空压机并联取得较大的排气量,随着用气量增大而逐一开机,这样不但对电网有好处,而且能节约能源。

MTT method was utilized to examine the doubling time of ADSCs from different regions. RESULTS: Adipose on the nape was strip-shape, which was different from vessels. Adipose can be easy obtained from the region nearby the epididymis with peplos, and the cells were not polluted.

结果:①颈背部脂肪条状分布,与血管成分位置分布鲜明;附睾附近脂肪来源较丰富,且含包膜,细胞成分污染机率较小;腹膜后脂肪周围血管较多。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。