方法研究

The genetic diversity of 23 maize inbred lines and one teosinte accession was analyzed based on microsatellite and AFLPs markers.

利用SSR，AFLP两种分子标记方法研究了23个玉米种质材料的遗传多样性，并对这两种分子标记系统进行了比较。

In the temperature range 70~190℃, the volatility characteristics of the mainly used solvents and the mixed solutions, as well as the terpineol ethyl cellulose solution which as the organic vehicle were determined by the loss after being kept at a fixed temperature for twenty minutes.

用恒温失重方法研究了70~190℃范围内，电子浆料常用松油醇乙基纤维素体系有机载体和主要溶剂的挥发特性，得到了其在一定温度下保温20 min 的挥发量数据和适合制作电子浆料的有机载体配方。

The spatial variability of an experimental field infiltration rate is examined by using the theory of time series of dynamic analysis method. The experimental field is 45m×50m, and had been irrigated by two sprinkler lines with different water quality in the last five years.

一、引言 80年代以前土壤科学和水科学工作者都用经典的统计方法研究土壤特性和多孔介质中水、热、气、溶质等运动特性在空间上的变异性。

Finally through a series of contrast analyses of thermogravimetric properties and chemical structure changes between polymer and model compounds the thermolysis mechanism of PBO was put forward.

利用拉曼光谱、扫描电子显微镜、XRD以及透射电子显微镜方法研究了纤维的表面结构和精细结构，提出了纤维的结构模型。

Spectroscopy methods had been used in the interactions of thiourea with ct-DNA.

用光谱学方法研究了该化合物与ct-DNA的相互作用。

It is an effective approach that researched and preserved the sources of species by tissue culture.

利用组织培养的方法研究和保存珍稀的种质资源，是一种有效途径。

The uncertainty of Cr content that determined by ammonium persulfate oxidation titrimetry in stainless steel was studied by adopting the current international method.

采用国际通用的方法研究了过硫酸铵氧化滴定法测定不锈钢中铬量的不确定度，分析了不确定度的主要来源，评定了不确定度分量及总不确定度。

Eight kinds of soil samples were collected to study the bioavailability of copper by eco -toxicological method.

选取我国8种典型类型土壤，运用生态毒理学的方法研究土壤中铜的生物可利用性。

The results of the study are utilized to study the properties of tracked vehicle by simulation.

本文的结论有助于运用仿真方法研究履带车辆的性能。

Study of the transient response of one-dimensional PSD based on finite difference method.

一维PSD瞬态响应特性的有限差分方法研究。

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。