优缺点

Based on the theory of transnormal ferrimanganic materials, the water quality treatment technique to this kind of drinking water are discussed with the example of unsafety status for drinking water in Liaoning rural area. The merits and demerits of traditional oxidation method and ion exchange method are compared and suitable method for the rural area is put forward.

根据地下水铁锰超标的机理，结合辽宁省农村饮水不安全现状及农村饮水工程现状，探讨铁锰超标饮用水的水处理技术，比较传统的氧化法除铁锰技术与离子交换法除铁锰技术的优缺点，通过实际应用，研究适宜于农村饮用水的水质处理技术。

Objective: To compare the advantages and disadvantages between power system and semiconductor laser in partial inferior turbinectomy.

目的：比较动力系统与半导体激光下鼻甲部分切除术的优缺点。

Experiments are developed on different aspects, including the thickness of aluminum filter, choosing of the unattenuated data or not, characteristics of X-ray spectra, sensitivities to errors of attenuation data. Conclusion is that the iteration method is the best estimation technique.

以铝板作为滤波器材料，论文在滤波器厚度（包括最大厚度和最小厚度的选择）、未衰减数据的选取与舍弃、韧致辐射谱和包含特性辐射的光谱、对衰减误差的敏感性等多个层面进行仿真实验，比较分析了矩阵法和迭代法的优缺点，认为迭代法是进行光谱估计的最好方法。

For linear uncertain system, on the condition that parameter uncertainty and unmodelled dynamics uncertainty exist, the method of solving problem of robust H〓 control and robust adaptive control is researched, and its advantage, disvantage and scope of usage are described.

本文的主要工作可以归纳如下： 1、针对线性不确定性系统，分别研究了存在参数不确定性和未建模动态不确定性的情况下，鲁棒H〓控制和鲁棒自适应控制两种控制方法各自解决问题的方法，并阐述了它们的优缺点及适用范围。

Based on the advantages and disadvantages of FeC13 coagulant and the submerged macrophyte Vallisneria spiralis in the treatment of eutrophic waters, both of them were used for the improvement of water quality.

利用三氯化铁絮凝剂和沉水植物苦草在治理富营养化水体中的优缺点，复合应用于改善富营养化水体水质。

The basic principle, measurement characterization, application status and problems are illustrated specifically in this paper, the advantages/disadvantages of these techniques are analyzed for piezoelectric applications, and the results show that combining the high resolution of the interferometer and the surface scanning ability of laser scanning vibrometer may lead to a convenient, accurate and reliable method for assessing piezoelectric coefficient.

详细分析了这些方法的基本原理、测试表征、应用状况和存在的问题，比较了这些方法的优缺点。

The strong and weak points as well as the scope of application of the modeling method based on the target function for the optimization WOB model are summarized.

以综合钻井成本最低为准则，建立了钻井成本目标函数，讨论了影响钻井成本的因素，给出了钻压优化模型的约束条件，在以上基础上建立了钻压优化模型，并给出了钻压优化模型在线实时求解过程中有关参数的确定方法，最后总结了基于目标函数钻压优化模型建模方法优缺点和适用范围。

The possible improvements and applications of YADE method are further discussed.

还对YADE法扩增未知序列的优缺点和可能的改进作了进一步讨论。

This work will help the application of the BIOLOG method and improve understanding of the functions of microorganisms in ecosystems.

通过对不同方法应用目标和原理的分析论述了各自优缺点，对微生物研究中基于BIOLOG方法数据分析的选择应用提供参考。

The strong and weak points of modular structure used in western countriesare discussed.Principles and methods of the combination of Chinese practicalconditions with the modul...

文章介绍和分析了西方图书馆模数式的优缺点并通过具体实例重点提出并讨论了如何结合我国的实际情况将模数式方法应用到我国图书馆建筑中的若干原则和方法。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。