方法

The lime soil from the winter fallow field in which Chinese vetch green manure was once planted and the natural barren field in Guilin Village were taken to determine urease activity and soil fertility of the lime soil.

方法］取桂林毛村常年种植过紫云英绿肥的冬闲田和自然抛荒农田中的石灰土，测定石灰土的脲酶活性和土壤肥力。

With the seeds of artificially cultivated 2-year-old A. heterophyllum as tested materials, the cells in metaphase in the seeds were made for observation, statistic and karyotype analysis, and based on the 2 main features of length ratio and arm ratio of chromosome, the karyotypes were classified according to the criteria of Stebbins.

方法］以人工栽培的2年生异叶天南星种子为试材，观察种子中的中期分裂相细胞并对其进行统计和核型分析，其核型分类根据核型中染色体的长度比和臂比2项主要特征，按Stebbins的标准进行划分。

Methods 111 third-grade students and 151 using white-colored paper.

方法］ 对111名小学三年级学生和151名初二年级学生进行分组调查。

Methods The method of the residual film in glass tube with 3 h exposure to insecticides was employed for determining toxicity of insecticides to both wheat aphid species, which were originally collected from different provinces of China during 2005-2007 and reared on wheat seedlings in the laboratory for more than 30 generations.

方法］从田间采集麦蚜在实验室内饲养30代以上，利用玻璃管药膜法测定其对杀虫剂的敏感度，每条毒力基线为2次以上独立测定数据合并后的计算结果。

Fifthly, the conception and the method of image compress is dissertated, also discusses the conception of wavelet transformation、continuous wavelet、discrete wavelet and multi-resolution analyses、Mallat algorithm, and do further research on the characteristic of wavelet images、the choice of wavelet bases and the continuation of image border, and based on this work, the way of freight train images compression combined with the wavelet and JPEG is put forward.

第五，论述了图象压缩的概念、方法，对小波变换的概念、连续小波、离散小波以及多分辨率分析、Mallat算法进行了讨论，并对小波图象的特点、小波基的选择以及图象边界的拓延进行了深入研究，在此基础上提出了小波和JPEG相结合的货车图象压缩方案。

With the bioreactor of water-free as the test device, the rice husk was used as the reactive matrix for treating the human excreta to mainly study the changes of nutrition elements in reactive matrix and reduction process of human feces.

方法］采用免水式生物反应器，以稻壳作为反应基质来处理人体排泄物，着重研究反应基质中营养元素的含量变化特征和人体粪便的减量化过程。

The rolling-up of the leading-edge vortex sheet and interaction with the trailing-edge vortex are simulated numerically by using the two-dimensional unsteady analogue and vortex-in-cell method.

本文应用二维非定常比拟和恪子涡(Vortex-in-Cell)方法，数值模拟了三角翼前缘涡层的卷起以及与尾涡的相互作用。

Method］mscs(5×106) were cultured combining with gdabm in vitro in centrifuge tube, tgf β was added to collagen and attached to gdabm. culture tube was centrifuged in 600 r/min, 10 times/d, 10min per time. the morphological characters, cell proliferation were detected.

方法］将 mscs与复合转化生长因子-β的胶原共同混合后培养于三维软骨支架材料上，离心管内培养，10次／d，以600 r／min离心10 min.8 h、24 h、72 h、 4 d、7 d进行倒置显微镜形态学观察、扫描电镜观察。1～8 d采用mtt法检测细胞增殖活性，描绘生长曲线。

Method］Hg, Pb, Cd, Cr and As contents in green pepper, eggplant, tomato cucumber and squash in Datong County were determined. The pollution degree of heavy metal in vegetable was evaluated according to national food sanitary standards and vegetable quality level standard.

方法］对大同县青椒、茄子、西红柿、黄瓜、西葫芦5种蔬菜中Hg、Pb、Cd、Cr、As 5种重金属元素的含量进行了测定，参照国家食品卫生标准和蔬菜质量分级标准评价了蔬菜的重金属污染程度。

The content of the heavy metal element: Cd, Cr, Cu, Fe, Mn, Ni, Pb, Ti and Zn in tree rings in both two growth backgrounds: major urban road system and campus in Nanjing were examined and analyzed.

方法］对南京市区主要城市干道行道树和作为对照组的南京林业大学校园内的雪松、法国梧桐和水杉3个对应树种树木年轮重金属元素Cd、Cr、Cu、Fe、Mn、Ni、Pb、Ti、Zn含量进行了测试和对比分析。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。