查询词典 variation method

In this thesis, PESA was synthesized using two different methods: the conventional one-step method and the two-step method we have developed. The corresponding products obtained by the one-step method and the two-step method are named PESA I and PESA II, respectively.

本文采用传统的一步法和非传统的两步法合成了PESA Ⅰ和PESA Ⅱ两种不同的产物，并通过单因素和正交试验确立了最佳合成路线。

The traditional method such as high temperature solid phase method, sol- gel method and combustion method adopted to prepare red long-lasting phosphoresce were introduced.

及传统的高温固相法以及溶胶-凝胶法、燃烧法等稀土红色长余辉材料的制备技术，提出了对红色长余辉材料今后发展的看法。

In this study, used Multiplex-PCR method to detection AAC of AAC_ITS and AAC_rpoB, used Multiplex-PCR method to detection BG of BG_ITS、BG_gyrB and BG_rpoD, used Multiplex-PCR method to detection PCH of PEC_ITS, idgA and idgB, used Multiplex-PCR method to detection AAC、BG and PCH of AAC_ITS、BG_ITS、PEC_ITS and idgA. The result reveals which were designed primer of specific can detect the existence of different phytopathogenic bacteria. These technique will use to develop the standard operation procedure of phytopathogenic bacteria disease in orchids.

在多引子组之研究上，AAC_ITS及AAC_rpoB之组合可用於褐斑病菌之检测；BG_ITS、BG_gyrB及BG_rpoD之组合可用於叶斑病菌之检测； PEC_ITS、idgA及idgB之组合可用於软腐病菌之检测；AAC_ITS、BG_ITS、PEC_ITS和idgA之组合则可用於三种兰花细菌性病原之检测，分析结果显示所使用之引子组可以快速、灵敏且专一性的检测细菌性褐斑病、细菌性叶斑病及细菌性软腐病，并且缩短检测时间，未来将可以应用於兰花细菌病害之监测。

Synthesizing new compounds are always the goal of chemist. Recent ly, the progress of the hydrothermal synthesis method is giving a new method to synthesize new compounds. The hydrothermal synthesis method is prefectly applied to synthesizing the tunnling materials, micro-and meso-porous mat erials as well as some new materials, so this method obtained the intrest of che mist.

中文题名含有杂原子的金属－氧簇(V，Mo，W，P，As)的合成与结构副题名外文题名论文作者李亚丰导师裘式纶教授学科专业无机化学研究领域\研究方向学位级别博士学位授予单位吉林大学学位授予日期2002 论文页码总数70，68页关键词金属－氧簇化学多酸化学无机合成化学馆藏号BSLW /2003 /O611 /3 合成新结构和新组成的化合物一直是化学家们的目标，近代水热合成技术的发展为合成亲新化合物提供了一种新的方法，水热由于在合成具有孔道结构、微介孔材料以及一其它一些新型材料具有其它方法无可比拟的优越性，因此，越来越受到人们的重视。

The spectral element method based on a weak elastic mechanical equation extends the equation in the form of spectral with the idea of the finite element method. So it combines the advantages of the finite element method with the ones of the pseudospectral method.

谱元法是基于弹性力学方程的弱形式，运用有限元的思想在单元上进行谱展开，理论上该方法具备有限元适应任意复杂介质模型的韧性和伪谱法的精度。

The field work technologydata-processingresults for process of seismic refraction method and high density resistively survey method are described in detail in this paper. To begin with, the application-effect each method has been showed respectively; at second, the application-effect of integrated geophysical prospecting method was showed in the exploration of railway tunnel, in this part, the fracture zone, faults and their trends were all inferred based on the application-effect of integrated geophysical prospecting methods.

文中详述了地震折射法和高密度电法的野外工作方法技术、资料处理，并根据勘察目的，先单独解释两种勘察方法的效果，再综合两种方法对该路段的地质构造情况进行综合解释，推断出该高速铁路路段中的破碎带、断层及其走向等不良地质情况。

Methods:On the basis of traditional method and method set in Chinese Pharmacopoeia(2005),TLC method and HPLC method for Rhaponticin examination were established.

对传统方法、中国药典方法检查土大黄苷进行了研究，在此基础上建立了以土大黄苷为对照的薄层色谱法和高效液相色谱法检查大黄药材及饮片中土大黄苷。

The results showed that in evaluation of the method by detecting 50 RHD 1227A positive and 50 RHD 1227A negative individuals, the genotyping method displayed a sensitivity of 100% and a specificity of 100%; in evaluation of the method by detecting 33 DEL positive and 89 DEL negative individuals, the sensitivity was 100%, however, there were two serologically negative samples which were confirmed as positive using genotyping method.

结果表明：在50例RHD 1227A阳性和50例RHD 1227A阴性的Rh阴性样本中基因分型方法的灵敏度和特异性都是100％；在33例DEL阳性样本和89例DEL阴性的样本中，基因分型方法的灵敏度为100％，有2例样本血清学结果为阴性而基因分型结果为阳性，重新用血清学方法和序列分析方法复核这2例样本，发现2例都是血清学漏检，因而基因分型方法的特异性是100％。

This paper discussed the distribution of forest resources in the tropics, their main types, main characteristics and present management status, and proposed twelve management modes, and these modes include establishing nature conservation region, eco-public-benefit forest management, extravisme, limiting logging and regeneration after logging, logging three and remaining seven method, tropical shelterwood system, sylviculture douce, whole cultivation method, specialized cultivation method, strip clearcutting method, developing tree species of lacking noted and nature regeneration, closing hillsides to facilitate afforestation.

本文对世界热带地区的森林资源分布、基本类型、主要特征、世界次生林的经营现状和主要经营方式讨论。这些经营方式包括建立自然保护区、生态公益林经营、&采掘主义&、限制采伐和伐后更新、&砍三留七&法、&扶持&式育林法、&抑制&式育林法、整体培育法、专门培育法、带状皆伐法、开发欠知名树种、自然更新和封山育林。

The method is based on a variable structure to control the SVC, wherein, the variable structure control method comprises two aspects of the unbalanced load equalization compensation and the parameter control of a PI controller, wherein, the unbalanced load equalization compensation adopts the SVC compensation susceptance computational method which is based on the synchronous rotation reference coordinate transformation of a virtual symmetrical three-phase system; meanwhile, in the stabilization control of the system voltage, the ant colony algorithm optimization method is adopted to real time adjust and to optimize the parameter kp and ki of the PI controller.

本发明公开了一种静止无功补偿器的不平衡补偿和蚁群优化方法，基于变结构对静止无功补偿器SVC进行控制，其中变结构控制方法包括不平衡负荷平衡化补偿和PI控制器的参数控制两个方面，其中不平衡负荷平衡化补偿采用基于虚拟对称三相系统的同步旋转参考坐标变换的SVC补偿电纳计算方法；同时在系统电压稳定控制时，采用蚁群算法优化方法，对PI控制器的参数kp、ki进行实时调整、寻优。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。