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较大的数

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Since the lotus root decompression for the box to start the counter protective structure, there are auto-transformers, AC contactor, smart motor protectors digital display components, etc., and below 75 kilowatts for the products, the Department of the use of automatic control mode, and more than 80 kilowatts of products, with two automatic control mode manually, by the change-over switch to switch, smart motor protectors digital display of 0 ~ 240 seconds can be automatically adjusted to control start-up time, prepared autotransformer 60 percent have a rated voltage (65%) and 80% tap two groups, then the factory in 60%(65%) on tap, if you need a larger starting torque, which can be accessed by 80% in the tap, and there are overload, and loss of pressure off the protection.

自藕减压启动柜为箱式防护结构,有自耦变压器、交流接触器、智能数显电机保护器(时间继电器、时间继电器)等元件组成,对于75千瓦及以下的产品,系采用自动控制方式,80千瓦及以上的产品,具有手动自动两种控制方式,由转换开关进行切换,智能数显电机保护器在0~240秒内可以自动调节控制起动时间,自耦变压器备有额定电压60%(65%)及80%二组抽头,出厂时接在60%(65%)抽头上,如果用户需要用较大的起动转矩,可接在80%抽头上,并有过载、断相及失压保护。

The length of certain bond and the number of conjugate double-bond affected OWF〓 greatly, OWF〓 changed linearly with the change of bond length (for planar azobenzene derivatives and cyanine derivatives) and the change of conjugate double-bond number (for conjugate alkene,β-carotene and lycopene).

3键长和共轭双键数对OWF〓有较大的影响,OWF〓随键长(如平面型的偶氮苯衍生物、菁类和氧杂菁类等)和双键数(如共轭烯烃类、β—胡萝卜素和番茄红素等)的变化而线性变化。

The length of certain bond and the number of conjugate double-bond affected OWFπ-π greatly, OWFπ-π changed linearly with the change of bond length (for planar azobenzene derivatives and cyanine derivatives) and the change of conjugate double-bond number (for conjugate alkene, p-carotene and lycopene).

3键长和共轭双键数对OWF_有较大的影响,OWF_随键长(如平面型的偶氮苯衍生物、菁类和氧杂菁类等)和双键数(如共轭烯烃类、β—胡萝卜素和番茄红素等)的变化而线性变化。

In design of rectifying unit to separate toluene-titanium tetrachloride,according to design projects,the theoretical plates of rectifying tower were calculated by the software with graphical calculation of theoretical plate.The tower load parameters in now running float valve tower were checked by the KG-TOWER float valve tower checking softwarel.The packing-tower diameter was calculated by high-effciency structured packings and hydraulic calculation softwocre.The evaluation through calculating data of valv...

在设计分离甲苯—四氯化钛的精馏化工单元中,依据设计任务,通过使用图解法计算理论板软件,计算精馏所用的理论板数;运用KG—TOWER浮阀塔校核软件,对现用浮阀塔进行塔负荷等参数的校核;采用等板数较大的高效规整填料与精馏塔水力学计算软件,来计算填料塔的塔径;通过对浮阀塔和填料塔的计算数据进行评价,得出结论认为选用填料塔设计优于浮阀塔设计。

The smaller fullerenes C2n (2n 60) violating IPR, inevitable suffer large strain energies and show high lability. Besides that, quasi-fullerenes violating the classical definition, contain rings of other size, for example 4 or 7, are expected to suffer extra local strain or/and further loss ofπdelocalization, and thus highly unstable.

碳原子数少于60的小富勒烯,和结构中含有除五元环、六元环之外的其他结构的准富勒烯,由于不满足IPR规则,结构中必然存在较大的张力,因此具有较高的化学活性,难以在实验中合成和分离。

In this paper we introduce a search algorithm of computer, and the arithmetic can get a magic square of squares with high rank in a short time.

本文提供了一种计算机搜索算法,该算法能够在比较短的时间内获得阶数较大的平方数幻方。

Beijing is provided with typical urban landscape, forest land is the maximal and basal landscape patch type (area proportion 42.534%), glebe field (28.754%),spinney land and urban (26.912%) and town residential landuse (10.344%) are main landscape patch categories in Beijing. From landscape, landscape patch types and landscape patch categories levels, landscape patch distributing centralize, and patch shape is simple, main landscape patch fractal dimension indexes are under 1.1, so urban landscape pattern is high influenced by human disturbance.2. From 1985 to 2007, Beijing landscape pattern variational characteristics are as follows:(1) During 1985-2007, patch types and categories change is little, but area and patch number of patch types and categories change distinctly. Town residential landuse area increased 7.66% of Beijing total area, farmland and forest land area decrease in the mass. The total patch number increased at first then decreased. taking one with another, the total number is decreasing, and patch number of farmland and forest land are most distinct.

本研究的主要研究结果如下:1、北京市具有典型的城市景观特征,林地用地的面积占市域面积的42.534%,为基质景观斑块类型,旱田(28.754%)、灌木林(26.912%)、城镇用地(10.344%)是北京市主要景观斑块种类;从景观、景观斑块类型以及景观斑块三个层次的研究均表现出北京市各景观斑块类型及景观斑块集中分布的现象十分突出,斑块形状简单,主要景观斑块种类的景观分维度指数值均不足1.1,表明城市景观格局受到了较大的人为影响。2、北京市1985-2007年间城市景观格局的主要变化特征表现为以下几个方面:(1)在研究时段内,北京市景观斑块种类变化不大,景观组分面积和斑块数变化明显,其中最为显著的是北京市城镇建设用地面积呈单纯的增加趋势,增加幅度为北京市总面积的7.66%,农业用地与林地的面积虽呈波动变化但总体呈减少趋势;景观斑块数量先增后降,总体呈下降趋势,其中耕地与林地斑块数的变化最为明显。

It has the main advantages of stochastic dynamic programming and nested Benders decomposition simultaneously, and can be used to deal with problems with large number of both stages and state variables.

这种算法可以综合随机动态规划和嵌套Benders分解的优势,有效地用来处理较多阶段和较大维数状态空间的问题。

The theoretical analysis and the calculating results indicate that when the buildings are regular and not too high, to compare with the similar RC structure, the prestressed frame structure has a better stiffness after cracks, a larger ultimate loading capacity, and a beamhinge failure mechanism with better antiseismic performance.

理论分析和算例结果表明:对于层数适中、结构布置较规则的无粘结预应力楼盖框架结构体系与类似的钢筋混凝土结构相比,其具有较大的开裂后结构刚度、较高的结构极限承载能力及抗震性能良好的梁铰破坏机制。

The beam widt h of t his equivalent basic mode is measured by including 98 % of t he beam energy , and t his is an effective way to calculate t he beam quality parameter.

对于工业用大功率固体激光器,输出激光功率较大,达数千瓦;为满足加工过程对不同功率的需要,输出功率有较大的范围,从额定功率到额定功率的 10 %;输出激光的模式为多模,光束质量随着输出功率的增加而变化。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。