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Efficient method was also taken up with for controlling and mitigating methane emissions from paddy fields.In summary, this study showed the feasibility of using new multi-temporal microwaveRadar ALOS data acquired in key dates during rice growing season to extract paddy ricegrowing area was tested. A modified rice backscatter model was developed on the basis oforiginal radiation transfer model for simulating paddy rice backscattering characeteristics. Themodified model and Genetic Algorithm Optimization Tool were synergized to reversephysical parameters and map rice biomass at spatial scale in the study area. At last, on thebasis of paddy rice planting area and farming practice data, biogeochemical DNDC modelwas utilized to simulate quantitatively estimating methane (CH_4) emission from paddy fieldsand represented some specific mitigation scheme.

综上所述，本研究在以下几方面取得了进展：验证了在水稻主要生长期内获得的多时相ALOS／PALSAR雷达数据提取种植面积的实用性；在原有辐射传输模型基础上进行改进，得到了适用于模拟水稻后向散射系数的一阶散射模型；利用改进的模型和遗传算法优化工具进行水稻结构参数反演，并对研究区开展水稻生物量空间分布制图和估算；利用DNDC模型模拟和定量估算稻田CH_4的排放量，进而提出了具体减排耕作措施。

The predictions are performed on the test results obtained by the previous compression tests and published in the literature by Zhan and Ng (2006), which include the swelling tests under constant net stresses, isotropic compression tests and triaxial shear tests under constant suctions. The comparisons between measured and predicted results indicate that the model can quantitatively predict the hydraulic and mechanical behaviour of unsaturated expansive soils.

利用本模型对本论文中膨润土与砂混合物的吸湿试验及常吸力下的压缩试验结果进行了预测，还对詹良通和吴宏伟(2006)进行的吸力控制的非饱和膨胀土三轴试验结果进行了预测，预测结果表明本模型能够定量的统一的描述膨胀性非饱和土的水力特性和力学性质。

SCMI can quantitatively describe the correlation degree between the nth image with the pre-registered n-1 images.

1幅图像之间的相关性大小。

Most of Zr replaced Ti in silicides, which could be quantitatively expressed as 〓.

Hf对提高Ti-Si共晶合金力学性能的作用不大。

The hydrogen solubility in Pd follows Sieverts law, and hydrogen diffusion through the bulk of the palladium membrane is the rate determining step. Whereas other gases only permeate through the pinholes or gaps in the Pd layer;the permeation can be quantitatively described as a combination of Knudsen diffusion and viscous flow.

氢气在钯膜中溶解渗透服从Sievert定律，并且氢的渗透扩散过程是速率控制步骤；而其他气体则通过膜中的针孔或裂隙进行扩散，其传质过程为Knudsen扩散和粘性流两种传递方式的综和。

Aimed at all kinds of damage phenomena in the sleeve usage of oil-film bearing in the backup roll of Baoshan 1580 hot strip mill,during the process of elastic conjunction between sleeve and rollneck,deformation and load properties are quantitatively analyzed by boundary element method for 3D elastic and plastic contact problems.

针对宝钢1580热连轧机精轧机组支承辊油膜轴承锥套使用中存在的各类损伤问题，利用三维弹塑性接触问题边界元法定量分析了轧机油膜轴承锥套与轧辊辊颈过盈装配过程中的变形和载荷特性，得出了装拆过程中不同的胀型压力和轴向推力条件下锥套接触压力延母线方向的变化规律，同时锥套端部和密封槽附近接触压力峰值的存在是加速锥套损伤及降低其使用寿命的重要原因。

In the Purex process, the separation of plutonium from uranium is achieved by using reductants which can quickly and quantitatively reduce Pu to Pu.Up to now the reductant U-N2H4 is still used widely for separation of Pu from U in the rep...

目前动力堆乏燃料后处理中广泛采用的钚还原剂还是由肼支持的四价铀，而醛、肼、羟胺类有机无盐还原剂在Purex流程中的应用目前还停留在实验室研究阶段。

In this paper, on the basis of the description of the pile-driving process and the dynamic analysis of the pile and the HSPD, the relationship between the frequency and the pile-driving force has been established under the conditions of the pile strength and the HSDP working requirements. The frequency character of the ZYB200B HSPD system has been analyzed quantitatively in the vibrancy pile-driving process, therefore the frequency range and the best available frequency have been obtained.

本文首先通过对压桩过程的描述和桩与液压静力沉桩机的力学分析，确立了液压振动压桩在桩的强度条件下和液压静力沉桩机工作要求下的压桩频率与压桩力幅值之间的关系；定量分析振动压桩时系统的频率特性，得出了ZYB200B型液压静力沉桩机振动压桩时压桩频率的取值范围和系统能得到的最佳频率值。

Many studies dealing with chiral drugs which are administered as their racemates rely on non-stereoselective analytical techniques. It was shown that the use of such an analytical method can lead to the collection of data which may be both quantitatively and qualitatively inaccurate with respect to the individual enantiomers.

一般非对掌选择性的药物分析条件，得到的药物血中浓度是个别镜像异构物的总和，而非个别镜像异构物的血中浓度，因此并无法对於对掌性药品的立体选择性动态学做定性或定量的探讨。

Methods 7 kinds of pyrethroid pesticides were qualitatively and quantitatively analyzed by GC-MS method.

采用气质联用的方去，同时对蔬菜中的7种菊酯类农药进行定性及定量分析。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了