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Terahertz radiation, which is a kind of electromagnetic wave between the infrared and microwave bands, belongs to far-infrared band. THz time-domain spectroscopy which developed in the 1980\'s has the advantages of high signal to noise ratio, obtaining the absorption coefficient and refractive index of the sample at one time , low energy that can not distroy the biology organise and so on.

太赫兹辐射是指频率位于微波和红外光之间的电磁波,属于远红外波段;20世纪80年代发展起来的THz时域光谱技术,具有信噪比高,能同时获得样品的吸收系数和折射率,能量低,不会对生物组织造成破坏等优点,在材料和生物学等领域得到了迅速的发展和广泛的应用。

Based on statistical analysis of disced rock cores and rockburst about rock mass in exploration adit at the dam site where high ground stressis surrounded the causes of high ground stress are discussed in many respects, combined with characteristics of ground stress field, including the power source condition which is the regional tectonic setting and geological conditions, power storage conditions which is characteristic of lithology and structure of rock mass, power transformation and adjustment which is late reformation of rock mass. It is considered that high ground stress release is synthetical result caused by factors mentioned above.

针对坝区特定的高应力条件下岩体的应力释放现象,包括岩芯饼裂和勘探平硐岩爆发育普遍的特征,在统计分析的基础上,从力源条件-区域构造背景和地质构造条件、能力存储条件-岩性特征和岩体结构条件、后期演化-能量释放、转换与调整等分析的基础上,结合坝区地应力场分布的特征阐述了坝址区高地应力成因,认为坝区高地应力释放现象是上述各因素综合作用的结果。

In the last chapter,we study the control problems of the distributedparameter system governed by a class of higher order pseudohyperbolicequation related to the symmetric regularized long wave equation.we havediscussed the controllability and optimal control problems.we have obtainedcompatibility condition of the constraint when the state is controllable,therepresentation of the optimal control for both the time optimal control problemand the optimal control problem of minimum energy type,and the equationsatisfied by the minimum time.we have shown that the optimal control belongsto the boundary of the admissible control set.

在第六章中,我们研究了与对称正则长波方程相关的一类高阶拟双曲型方程支配的分布参数系统的控制问题。讨论了系统的状态能控性问题和最优控制问题,给出了状态能控时的约束相容性条件,给出了最速控制问题、最小能量型最优控制问题的最优控制表达式和最速时间所满足的方程式,证明了最优控制属于控制集合的边界。

The integral area for calculating the beam width by using the definition of generalized second-order moments is selected to ensure the energy in the angular domain more than 75% of the total beam energy and the measurement method and steps still follow the relevant ISO standards. The generalized M2 factor of truncated Gaussian beam has been measured. The experimental results for different truncated parameters have been compared with the theoretical results, showing the validness of the method proposed.

在利用广义强度二阶矩计算光束束宽时,以积分角谱范围能够包含光束总能量的75%以上作为积分范围的选取标准,并遵循现有的国际标准化组织规定的测量步骤和方法对截断高斯光束的广义M2因子进行了测量,并将不同截断参量时的实验结果与理论计算结果进行了比较,证明了该方法的正确性。

The geometric structures of the ground states of anisole and anisole cation also are optimized at HF/6-31G level, furthermore, the stable structure is acquired. In addition, we also calculate the energy of anisole and its main fragment ions.

应用高斯软件采用HF/6-31G 方法对苯甲醚分子和苯甲醚阳离子基态的几何构型进行优化得到其稳定构型,并计算了苯甲醚分子离子及其初级解离产物的能量。

The USM is a kind of new electrical motor which develops in recent 20 years, it broke through the traditional concept of electrical motor. It didn"t have the electromagnetism winding and the magnetic circuit, and it didn"t uses the mutually electromagnetism to transform the energy, moreover, the volume of electrical motor is small, the weight is light, the transfer efficiency is high. For it was so small, so light, and so thin, it have begun to use on automobile. But the usage of superconductivity electrical motor is still in the experimental stage at present. The main reason is that the super conductivity material has not realized the high temperature, but with the development of technical, the possibly uses of superconductivity electrical motor in the big horsepower like automobile generator and on actuation electrical motor causes the electrical machinery to be smaller in volume, lighter in weight, and higher in efficiency.

超声波电机是近二十年来发展起来的一种新型电机,它突破了传统电机的概念,没有电磁绕组和磁路,不用电磁相互作用来转换能量,体积小、重量轻、转换效率高,很小、很轻、很薄,在汽车上已经开始使用;超导电机的使用目前还处在实验阶段,这主要的原因是超导材料还没有实现高温化,但是,随着技术的发展,超导电机可能使用在汽车的起动机和驱动电机这些大马力上,使原有的电机体积更小,重量更轻,效率更高。

The results indicated that the activation exten of nitrogen depends on the number of feedback orbitals.

一般来说,氮氮键活化越强,体系能量越高,在相同的活化程度下,自旋多重度高的体系较稳定。

The quality of well-equipped, including advanced energy dispersive X-ray fluorescence analyzer, salt spray test machine, projection for expansion, vibration testing machine and vacillating test machine, wearable rub tester, constant temperature and humidity test machine, Taiwan sunny electro-acoustic instrument, and so on, each one products have to undergo a rigorous the quality inspection before shipment to ensure that the products of high quality, high reliability.

公司的质量检测设备齐全,包括先进的能量色散型X射线荧光分析仪,盐雾试验机,投影扩大仪,振动试验机,摇摆试验机,耐磨擦试验机,恒温恒湿试验机,台湾阳光电声仪等等,每一个产品均经过严格的质量检测才能出货,保证了产品的高品质,高可靠性。

The fine spatial and temporal resolution was made possible by a technology called fluorescence resonance energy transfer.

因此,采用荧光共振能量转移技术,就有可能实现高空间分辩率和高瞬时清晰度。

The first industrial production teflon thin film majority uses have re-equipped the plank veneer peeling lathe turns on lathe cuts the processing, this traditional veneer peeling lathe uses the mechanical drive control generally, produces not only the thin film the quality is not high, the reliability is bad; Moreover in the production process the noise is big, consumes energy much, the production efficiency is not high, is unable to adapt the now industrial production demand.

The 第一工业生产聚四氟乙烯打开车床裁减处理,这台传统表面饰板削皮车床一般使用机械驱动控制,生产不仅质量不是高的薄膜,可靠性是坏;而且在生产过程中噪声大,消耗能量,生产效率不是高的,无法适应现在工业生产demand。

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She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

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Several theories about reigniting and extinguishing of the arc have been refered.

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