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This study actively normalizes the identification method of the bacterialwilt resistance in the vegetables of Aubergine family and proposes the practicalbreeding tactics at the same time.

本文较为全面的研究了茄科蔬菜对青枯病的最适抗病鉴定方法、抗病遗传机理、抗病育种方法及抗病基因的分子标记,并尽可能地规范茄科蔬菜抗青枯病鉴定方法,提出切实可行的抗病育种策略。

An improvement has been carried out on the generation method of 2D engineering drawing from 3D model in AutoCAD, and formed an intact methodology and skill of generating axonometric drawing and multi-planed orthogonal projection drawing from 3D model.

对AutoCAD中由三维模型生成二维工程图的方法进行了改进,形成由三维模型生成轴测图和多面正投影图的完整方法和技巧,这种方法所得到的轴测图和正投影图,可以对其更加方便地进行各种编辑,是一种适用的方

To evaluate the specificity of the PCR, genomic DNA of Theileria annulata,Babesia bovis,Toxoplasma gondii,Leishmania donovani and standard strain of N. caninum were used as a template in the PCR. For determining the detection limit of amplification procedure, PCR was run on a dilution series of genomic DNA from N. caninum(1.562 5-200 ng/ml). Brain tissue samples of 32 aborted fetuses were detected by PCR-based assay, and 23 blood samples from mothers were tested by ELISA. Results The amplified DNA fragment (350 bp)had a high identity of 98% with the Nc-5 gene sequence of N.

以环形泰勒虫、牛巴贝斯虫、刚地弓形虫、杜氏利什曼原虫以及犬新孢子虫标准株DNA为模板进行扩增以验证PCR的特异性,采用紫外分光光度计测定犬新孢子虫标准株DNA浓度和纯度,取高纯度的DNA样品用灭菌水稀释,分别取不同量的DNA进行PCR扩增,确定PCR方法的敏感性;利用该方法对32份奶牛流产的胎牛脑组织样品进行检测,同时,对其中23份流产的母牛血样进行ELISA血清学检测,以评价犬新孢子虫PCR方法的检测效果。

This thesis try to use the risk decision, Bayes formula and game theory to analyze the utility of the traffic information, and put forward the corresponding static and dynamic model.

本论文在总结国内外交通信息效用研究理论与方法的基础上,系统地对不考虑交通信息有效性反馈和考虑交通信息有效性反馈两种条件下交通信息的作用机理进行研究,尝试采用风险决策、贝叶斯推理、博弈论等理论和方法建立了相应的模型,并对影响交通信息效用的交通信息质量、交通系统稳定性、出行者的出行经验等因素进行了分析,提出了增加交通信息有效性的方法。

Aiming at GPS kinematic positioning actuality and existent problem, the paper researches the theory method of GPS EPOCH-BY-EPOCH kinematic positioning and the basic function, configuration and use method of Bernese GPS Software Ms-Windows Version 4.2 software by the numbers.

本论文针对GPS动态定位的现状和存在的问题,系统地研究了GPS单历元动态定位的理论方法和Bernese GPS Software Ms-Windows Version 4.2 解算软件的基本功能、结构及其使用方法,围绕利用先验信息改善单历元整周模糊度的解算方法进行系统的研究。

Aiming at GPS kinematic positioning actuality and existent problem, the paper researches the theory method of GPS EPOCH-BY-EPOCH kinematic positioning and the basic function, configuration and use method of Bernese GPS Software Ms-Windows Version 4.2 software by the numbers. The paper studies the solution calculation way of using transcendental information to improve the whole circumference ambiguity.

本论文针对GPS动态定位的现状和存在的问题,系统地研究了GPS单历元动态定位的理论方法和Bernese GPS Software Ms-Windows Version 4.2解算软件的基本功能、结构及其使用方法,围绕利用先验信息改善单历元整周模糊度的解算方法进行系统的研究。

Considering the uncertainties of peak acceleration and frequency characteristics by using a bounded convex set model,the bounds of shear forces are derived from the Chinese seismic code,and then a new lateral bound load method for pushover analysis is proposed.

动力弹塑性时程分析法是一种较理想的结构抗震性能评估方法,但由于地震动的选取对其结果影响较为显著,而且目前尚无关于地震动选取的统一标准,从而严重地阻碍了动力弹塑性时程分析法的应用。

The methods of purification and reconstitution of Ca〓-Mg〓-ATPase were set up and Ca〓-Mg〓-ATPase from both spontaneously hypertensive rat and control rat were isolated, purified and reconstituted in the study.

建立了质膜钙泵的分离纯化方法和磷脂重建方法并用这些方法成功地分离纯化了正常大鼠和自发性高血压大鼠红细胞膜钙泵,而且将其重建于人工脂质体上。

Three 30 m×30 m sample fields were designed to investigate different vegetation type, and the species and the number of arbor in the sample field were noted. Meanwhile, four 2 m×2 m plots were designed in the catercorner of sample field to investigate the species and the number of shrub and herbage.

方法]对不同植被类型设置3个30 m×30 m的样地进行调查,记录样地内所有乔木树种的种类、数量,并记录奇胸径和株高;同时,在样地对角线设4个2 m×2 m的样方调查所有灌木和草本的种类和数量。

Chapter 2, it introduces the basic cerebration and methods of mathematics, listing the gradually used basic cerebration and methods in secondary-school teaching, and then sorts them out, by simply explaining the sample problems, to make the readers especially the worker including me understand the theory generally.

第二章介绍了数学基本思想方法,列举了中学数学教学中常用的数学基本思想方法,并对此进行了分类,又通过例题加以简单地讲解,使读者,特别是包括作者本人在内的从事数学教育的工作者对中学数学基本思想方法有了全面的认识。

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推荐网络例句

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。