方法研究

Methods Leaves of 11 species of Aloe L. were studied by phytotomy, histochemistry and phytochemistry.

应用植物解剖学、组织化学和植物化学方法研究11种芦荟属植物叶。

The hydrogen bonding of 1:1 complexes formed between acetamide and three kinds of isomers of picolines have been completely investigated using B3LYP method at various basis set levels from 6-31G to 6-31+G and 6-31++G. The results show that the interaction energies of hydrogen bond complexes between acetamide and picoline isomers have great effects on the values of h_.

2采用密度泛函理论等方法研究了乙酰胺分子分别与甲基吡啶三种异构体分子以1：1的比例形成的氢键络合物，从B3LYP/6-31G到6-31++G基组水平进行了优化，利用结合能数据讨论了焓对作用系数的差异。

The transient fluorescence spectra of porphyrin polymers were studied. The fluorescence lifetimes of porphyrin polymers are picosecond level.

采用瞬态荧光光谱实验方法研究了卟啉聚合物荧光衰减的动态过程，发现卟啉聚合物具有具有皮秒级的荧光寿命。

Digital authentication image for the object image extraction method of character analysis and research, achieve code characters in the picture extraction and recognition.

详细说明：以数字验证图片为对象进行图像的分析与字符提取的方法研究，实现对验证码图片中字符的提取与识别。

The piston's transverse motion across the cylinder and rotation around piston pin, so called secondary motion, was studied by analytical method.

采用模拟分析的方法研究了活塞沿缸套的横向运动和绕活塞销的转动，也就是所谓的二次运动。

The image properties of plane convex SML are studied by using maxtrix optics method.

用矩阵光学方法研究平凸自聚焦透镜的成像特性。

Soil texture; plane classification triangle coordinate diagram; computer graphics; automatic

结合国外土壤质地计算机分类方法研究的状况，本文基于计算机图形学技术。

The plastic deformation behaviors of AZ91 magnesium alloy at high temperature are studied by experiments and computer simulation in this thesis.

本文通过实验和计算机模拟的方法研究了AZ91镁合金的高温变形行为。

The reaction in ethanol solution has been investigated at the same level with polarizable continuum models method, and the results show that the energy of each compound is lower than that in the gas phase.

采用连续介质模型方法研究了反应体系的溶剂化效应，结果表明反应过程中各物质的能量比气相要低。

Chapter two investigates the electronic transport properties of a straight quantum wire with a single finite-size attractive impurity partly irradiated by an transversely polarized THZ electromagnetic wave.

第二章用含时模式匹配方法研究了含杂质直量子线在太赫兹电磁波部分辐照下的电子输运性质。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。