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The efficiency of double decomposition method is verified by the comparison between double decomposition method and Adomian decomposition method for solving differential equations.

通过具体微分方程算例对双重分解法和Adomian分解法进行了比较,验证了双重分解算法的有效性。

The scheme is verified by simulative signal, and then is applied to the denoising vibration signal of two mine ventilators.

介绍了基于插值细分法的第二代小波变换的基本原理和变换过程,给出了小波降噪的阈值选取方法。

By the means of visualising detailed design proposals for one pilot heritage trail and one heritage area, the model for spatial organisation of historic-cultural resources in the Old City has been further verified.

为了直观地说明古城区历史文化资源空间组织的规划和设计的方法,论文研究过程中还选择了一条试点观光线路和一个试点区域进行了比较详细的规划和设计。

The following main results are obtained: The TiO_2 photocatalyst with small crystallite size, high surface area, narrow and uniform pore size distribution, and microporous frameworks could be prepared out by applying MW radiation in the preparation process. The microwave-induced fluorescence technique verified for the first time that microwave enhanced the formation rate of hydroxyl radical, leading to the increase in the photocatalytic efficiency. Compared with the conventional catalyst, TiO_2 prepared by MW dielectric heating owns a higher UV absorption ability, and its optical absorption edge and photovoltaic response are shifted toward the short wavelength region, resulting in increase of photooxidation efficiency. The photocatalytic conversion and the mineralization ratio of acetaldehyde are increased respectively by 30% and 40% over the TiO2 prepared by MW radiation when compared to the TiO2 prepared by the conventional heating. For the MW-assisted photocatalytic reaction over the MW-prepared TiO2, production of hydroxyl radicals is enhanced by 22.5%, and the photocatalytic conversion is accordingly increased by 20%. Similarlly, applying MW also increased the photocatalytic conversion and the mineralization ratio of acetaldehyde over TiO2/Al2O3 sample.

论文得到如下主要结果和结论:(1)微波介电加热TiO_2 溶胶可得到晶粒度小、光催化活性高、比表面积大和孔径分布窄而均一,且微孔发达的TiO_2光催化剂;在溶胶干燥处理过程中微波可使催化剂表面缺陷增加,进而导致光催化反应过程有更多的活性羟基自由基产生;(2)微波制备能显著增强TiO_2 样品的紫外光吸收率,并使其光吸收和光伏响应阈值发生蓝移,从而提高TiO_2的氧化还原能力;(3)与常规加热法所制TiO_2比较,微波法制备的TiO_2对乙醛的光催化降解转化率提高30%,CO_2生成率提高40%以上;(4)与未加微波辐射时相比,发现在光催化反应过程中施加微波,TiO_2 的羟基自由基生成速率提高了22.5%,相应CH_3CHO 光催化降解转化率提高了20%;对Al_2O_3/TiO_2催化剂,CH_3CHO 光催化降解转化率甚至提高了33%,同时CO_2 的生成率也都大幅度提高;(5)微波辐射可改变光催化降解乙醛的产物分布,推断施加微波时乙醛光催化降解按照羟基自由基引发的链式反应机理进行,微波&非热效应&起主要作用。

The SI low pass filter is simulated using ASIZ and verified to be able to meet the needs of time-domain CWT.

对开关电流低通滤波器用ASIZ进行仿真,结果证实其性能完全满足实用要求。

The effectiveness of the algorithm has been verified by the ATP simulation results.

通过ATP对该算法进行仿真,结果证实了该算法的有效性。

The model was verified to be feasible through the comparison with the simulation results of VISSIM.Thus,it provides theoretical basis for analyzing congestion and giving the corr...

结合实际调查数据,通过与V iss im仿真值进行比较,对模型的正确性进行了验证,结果表明模型是有效的。

The effectiveness of the algorithm is verified through the simulation of NSF Net model.After compared with the results in previous work,it shows that the revised alg...

通过在美国自然科学基金网上的仿真计算,与以前的研究结果相比,该算法可以减少网络的阻塞率8%,同时缩短了光链路建立的时间。

At the same time, the results verified the reliability of CSI evaluation based on BP neural network.

同时验证了基于BP神经网络的客户满意度协商模型的有效性。

Alternative layers of target material 〓 are irradiated with (47.5 MeV/u)〓 ions, the ternary fission events of hot nuclei are verified and the probabilityratioes of ternary fission relative to binary fission with projectile energy from25Mev/u to 47.5MeV/u are measured and reprodurced with calculation result ofstatistical cascade fission model program written by myself. The fact that ternaryfission at low excitation energy come from cascade fission is shown.

5MeV/u〓束轰击Bi靶时,用叠层靶技术,实验证明了热核三分裂变确实存在,并测量了25MeV/u~47.5MeV/u 〓三分裂变相对于二分裂的三二比的激发曲线,利用自编级联统计模型程序,模拟了低温热核的三分裂相对于二分裂的几率,结果也表明在较低激发时热核三分裂是级联三分裂。

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推荐网络例句

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入,与管线26相通,与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。

For he that is now called a prophet, in time past was called a seer.

他们就往天主的人所住的城里去了。