方法研究

The influence of nonlinear gain (including five order nonlinear gain term) on the Gordon-Haus effect of soliton transmission system controlled by fixed central frequency filter is studied by using adjoint operator method for the first time.

运用绝热演化方法研究了滑频滤波控制孤子传输系统的稳定条件，并首次解析研究了滤波器三阶项对滑频滤波控制系统孤子定时抖动的影响。

The technology of separating rutile and almandine by flotation and the action mechanism of sodium hexametaphosphate[(NaPO3)6], a regulator, were investigated for realizing an effective separation of rutile and almandine, a main gangue mineral, in non-pollution.

为了实现金红石与主要脉石矿物石榴石在无污染条件下的有效分离，采用浮选方法研究了金红石和石榴石的分离，并采用红外光谱和X光电子能谱分析等手段研究了分离过程中调整剂六偏磷酸钠的作用机理。

Effects of explants,2,4-D,6-BA,NAA and AgNO3 on inducing buds were studied in pineapple(Ananas comosus cv.Hawaii) by using orthogonal design.

采用菠萝试管苗的叶片、叶鞘、茎段和茎薄片作外植体，以MS或1/2 MS为基本培养基，应用正交试验设计方法研究了不同浓度的2，4-D、6-BA、NAA和AgNO3对夏威夷菠萝不定芽的诱导效果，并在添加不同激素组合的培养基中进行芽的增殖和生根培养研究。

In process of researching aridity,a important way is to research regional aridity characteristic using the method of stochasic hydrology.

应用随机水文学的方法研究一个地区的干旱特征是干旱研究中一条正在探索的途径。

Centrifuged settlement and natural storage methods were used to investigate dispersion stability of nanometer oxide concentrates.

用离心沉降方法和自然贮存方法研究了纳米氧化物浓缩浆的分散稳定性。

Methods The rat thoracic duct endothelia were cultured and the morphology observed and identified by TEM and Factor Ⅷ-related antigen immunohistochemically. Wistar rats were used to make the animal model of primary colorectal cancer, the cancer type were appraised by HE staining and PAS Reaction. The expression of VEGF-C and its receptor Flt-4 and ICAM-1 in the cancer tissues were carried through immunohistochemistry staining and In situ hybridization.

通过体外培养大鼠胸导管内皮细胞和构建大鼠原发性大肠癌动物模型，观察内皮细胞的形态和生长状态，用透射电镜和Ⅷ因子相关抗原进行鉴定，用HE染色和过碘酸雪夫氏反应区别癌组织的类型和期别，用免疫组织化学方法和原位杂交方法研究内皮细胞和大肠癌组织的VEGF-C及其受体Flt-4和ICAM-1的表达。

This work studied the structure of Opiorphin using nuclear magnetic resonance spectroscopy and molecular dynamics.

本文的主要工作是通过2D-NMR的方法和分子动力学方法研究Opiorphin的空间构象。

According to the method, analysis and reconstruction sub-band filters for near perfect reconstruction oversampled filter bank are designed, then nonuniform multichannel loudness compensation based on human auditory, the sensitive feature of frequency and sound pressure level is implemented.

该方法研究了完美重构滤波器组分析与综合滤波器的设计方法，并根据人耳对频率的灵敏度特征及对声强的感知特性实现了符合人耳听觉特征的非等宽多通道响度补偿方案。

Density functional theory calculations were performed to study the structures and relative stability of the gadolinium complexes, Gd(H2O)n3+(n=8,9), in vacuo and in aqueous solution. The polarizable continuum model with various radii for the solute cavity was used to study the relative stability in aqueous solution.

用密度泛函理论方法研究了气相和水溶液中Gd(H2O)n3+(n=8，9)化合物的结构和相对稳定性，其中水溶剂效应利用极化连续介质方法结合多种溶质空腔模型进行模拟。

In this thesis,we first introduced the multi-configuration Hartree-Fock theory. On the basis of this method,we investigate energy-level structures,transition probability and hyperfine structure for complex atoms.Furthermore,we analysed the strong electron correlation effects in atomand strong relativistic effects in heavy element.

本论文介绍了多组态Hartree-Fock理论方法，并利用此方法研究了一些原子体系的能级结构、跃迁几率和超精细结构，分析了这些原子体系中比较强的电子关联效应和重元素中强的相对论效应。

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。