方法研究

The main content of this paper is the study on image processing based on pattern recognition and its application in license plate recognition system.

本文的研究内容是基于模式识别的图像处理方法研究及其在车牌识别系统中的应用。

Based on the above results of macro expansion and microstructure studies, the limitation of the early ASR expansion mechanism has been noted, and the new ASR models for aggregates with various texture and structure have been put forward.

为进一步研究集料结构构造和集料尺寸对鉴定集料ASR活性的影响，用光学显微镜、XRD和SEM／EDS等方法研究了集料的岩石学、矿物学特征及其ASR反应特征，发现除集料中活性组分的类型和数量外，集料的物理构造特征对ASR过程和膨胀行为有显著影响，而且集料的尺寸不同，物理构造的影响程度有差异。

We reviewed the progress in soil analysis for readily available nitrogen, phosphorus and potassium made in the last 20 years, such as the application of salicylic acid and test strip for nitrate analysis, Mason Jar for nitrogen analysis , malachite green for phosphorus analysis, and flow analysis for different element based on different reactions.

从文献检索结果和国内土壤氮、磷和钾测定的实际来看，我国在土壤氮、磷和钾测定方法研究、测定仪器的开发与生产方面与国外仍有较大差距，土壤养分测定工作的差距主要在以下几个方面：(1)研究人员少。

In this research, the "Rural Senior High School"refers to the senior high school in administrative divisions of the county in rural areas who is in a disadvantageous position of matriculate quality, school resource and teacher quality.

本文的题目是"教师教学效能的生成机制研究——县中的另一种模式引发的思考"，主要运用叙事的方法研究教师教学效能形成机制问题。

Using spectrum analysis investigate the transport character and primary rule of explosion wave in the medium, simulate the formula of attenuation for explosion wave, which will be used to guide the design of the engineering.

二采用频谱分析方法研究了爆破产生的地震波在介质中传播的特性和基本规律，拟合出了指导工程设计与研究的地震波振速衰减经验公式。

The photopolymerization of methyl methacrylate was conducted by the sensitization of these carbazole-containing monomers, model compounds and the polymers.

利用聚合动力学的研究方法研究了这些含咔唑基团的单体、其饱和模型化合物和聚合物引发MMA的光聚合。

The equations of dynamics for the balance are established by Kane's method, from which derives the characteristic equation of natural frequency by means of linearization of dynamic equations, and the six natural frequencies being developed according to the theory of vibration. The law of the six natural frequencies varying with mass of the upper platform and the stiffness of the elastic element are presented,and the Finite Element Method is employed to testify the validity of theoretical results.

基于 Kane 方法研究天平的动力学及模态，通过线性化动力学方程建立天平的固有频率方程，依据振动理论推导出并联天平的六阶固有频率及其对应的振型，同时研究了天平的六阶固有频率随敏感单元刚度系数及上平台质量的变化规律，并用有限元法验证理论计算结果的正确性。

Methods: Cell proliferation was measured by crystal voilet staining assay. The activity of lactic acid dehydrogenase in the upper layer of culture solution was tested to examine the damage to the cell membrane.3H-TdR was used to study the effect of porphyrin nitrogen mustard on the synthesis of DNA.

用结晶紫染色法测定卟啉氮芥对人肝癌细胞SMMC7721的光动力抑制效应，用测定培养上清乳酸脱氢酶活性方法研究光动力作用对人肝癌细胞SMMC7721细胞膜的作用，用3H-TdR掺入法研究光动力作用对人肝癌细胞SMMC7721DNA合成的影响。

Abstract］ To investigate the mechanism of reception and transmission of immune molecules in vagus, the expression of IL-1 receptor type Ⅰ in nodose ganglion and vagal paraganglion was studied by using immunohistochemistry.

摘要］ 为研究迷走神经感受和传递免疫信息的机制，用免疫组织化学方法研究了IL-1Ⅰ型受体在正常和免疫激活的大鼠结状神经节和迷走旁节中的表达。

The paper deals with the existence of nontrivial solution s to a class of nonlinear Hammerstein eigenvalue problems using the cone theory and the topological approach.

运用锥理论和拓扑方法研究一类非线性Hammerstein本征值问题的非平凡解。最后，把抽象结果应用于研究Lidstone本征值问题的非平凡的存在性

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。