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The virtual platform is tested by experiments of measuring artificial defects in the mild steel sheet workpiece. And the results show that its functions, including signal channel controlling, signal collection, magnetical flux density curves and butterfly curve, data accessing and signal quantifying and display, can be realized by using the virtual panels; the quantifying precision of this system is about 85 percent; and the shape inversely calculated is similar to the real shape of the defect.

通过实验测试得到如下结论:对该虚拟仪器面板的操作能够有效地实现通道控制和信号采集、磁通密度曲线及蝶形图的实时绘制、数据的存取以及信号的定量计算和显示等功能;具有较高的检测精度,缺陷智能量化相对误差不超过15%;检测反演所得缺陷形状能够与缺陷的真实外形相符,满足可视化检测要求。

The utilization rate of N fertilizer of the former was significantly lower than that of the later, and the contribution of soil mineralizable N was relatively higher in the former, compared with the later.

前者对肥料氮的利用率较后者显著地低,且土壤矿化氮在所吸收的氮中的贡献率也相对较高。

Relatively, the impacts of real estate price change on industries such as heavy industry, utilities, minning, and real estate industry itself are great, while the impacts of it on industries such as light industry, finance and insurance industry and the service industries are relatively small.(2) The rising and fall of real estate price will cause corresponding rise and decline of the macroeconomic variables such as total output, GDP, employment, investment, import and export, consumer price index, and so on.

相对而言,重工业、公用事业、采掘业以及房地产业自身等受房地产价格波动的影响较大,而轻工业、金融保险业和服务业等行业受其影响相对较小;(2)房地产价格上涨和下跌使得总产出、GDP、就业、投资、消费者价格指数以及进出口等宏观经济变量相应地上升和下降。

Multiplicate detection measures were "fused" in this system to solve the problem that single measures can not obtain good result for all intrusions, and the system has better scalabilities and robustness.

该系统能够有效地解决单一检测算法无法对所有入侵都有很好检测效果的缺陷,并且相对于单一检测方法系统具有更好的可扩展性和鲁棒性。

Moreover, the actual allele frequency of most varieties deviates far from Hardy-Weinberg equilibrium. All PPB、na 、I、h、Gi and Fst have proved to be the references to elucidate that ISSR is a most powerful tool to analyze genetic diversity, compared with the RAPD marker and the allozyme marker is less strong ordinally. We could divided the 70 samples into A, B, C, D and E five groups using three methods according to genetic distance clustering. There is a bit displacement for few varieties in different clustering maps, but the most are similar to morphological analysis despite that there is still a great difference among cultivars in the same one group. The above results imply that the three methods have the different sensitivity and resolution in genetic distance analysis of close varieties. The Mantel test indicates that the results from the three kinds of markers have the significant correlation, which demonstrates that the number of the used three kinds of markers is enough to exactly detect the diversity of all 70 samples to ideal extent. And these methods can be used to evaluate the diversity of the whole group using the miscellaneous samples instead of the individual sample, of the Gerbera jamesonii are mainly from tissue culture plants. In conclusion, the above study results provide a reference for the application of three kinds of molecular markers to molecular marker-assisted breeding of flower. 2. The genetic diversity among the eight introduced cut-flower varieties of Ranunculus asiatica was analyzed by the ISSR markers. Based on the genetic clustering tree, all the colorful flower varieties are clustered into one group, and the white flower varieties into another group. Moreover, among the former group the yellow flower varieties are clustered into one sub-group, and the reddish flower varieties, such as rose color, pink, nacarat, are clusetered into another sub-group.

由三种分子标记的分析结果可以看出,等位基因平均值、观察杂合度、Fis值、Fit值皆较高,表明非洲菊等位基因较丰富,杂合基因偏多,且绝大部份品种的实际等位基因频率在品种内偏离了Hardy-Weinberg equilibrium;PP8、na、Ⅰ、h、Gi及Fst皆表明,ISSR检测遗传多样性的能力最强,其次是RAPD,等位酶最低;根据遗传距离进行聚类,三种方法都把70个品种分成A、B、C、D、E五个大组,每一组中除少数品种发生位移外,大部份品种分类结果相似,且与形态分析结果有相似性,但在每一组中,品种间的聚类差别较大,表明这三种方法在近距离品种间检测遗传变异时灵敏度及分辨力不同;Mantel检测表明,三种标记的分析结果有显著相关性,表明所用的三种分子方法的标记数量已经可以相对无偏地检测到70个品种间遗传变异;非洲菊为组培苗,三种标记的检测结果皆表明,混合样品可以作为个体样品的代表,对整个居群的遗传多样性进行评价;这些研究结果可为三种分子标记方法在花卉分子辅助育种中的进一步应用提供借鉴。

The 16 noded relative degree of freedom shell element is discussed and used to mesh the blades of the runner.

考虑到16结点相对自由度壳元能很好地描述薄壳和厚壳的性质,而且和三维实体单元的联接也相当方便,本文采用该种单元对水轮机叶片进行离散,并通过样条插值获得叶片有限元网格结点的三维坐标。

The EEG non-linear dynamics study objectively and precisely observed the functional changes of brain cortex from noncognition mission to cognition mission.

脑电非线性分析相对客观和准确地观测到肝气郁结证患者无认知任务和有认知任务时大脑皮层的功能性改变。

Its work-hardening may be attributed to a change from nonequal strengthening state to strength-ratio-equal state A summarized plot for its deformation behaviour during cold-rolling is also given to understand rather easily the relative variation of the structure and properties of each phase in the whole process.

文中提出了冷轧时形变行为的综合图,能够清楚地描述双相20钢中两相组织及性能相对变化的全过程。

The result indicated that octadecyl isocyanate was successfully introduced onto the surface of the MWNTs,and the dispersion of nanomaterials was thus improved.

结果表明,在MWNTs表面成功地接枝上含有十八个碳原子的小分子,有效提高了碳纳米管在溶液和基体聚合物中的分散性,这种烷基化处理相对简单、廉价。

XRD showed hexagonal wurtzite structure. Room-temperature PL spectra of perfectly overcoated CdSe/ZnS only showed a narrow band edge emission. Emission peak was great red-shifted relative to absorption and the shift increases as the size decreases. The size-dependence of shift could be explained very well in terms of excition fine-structure model and stress at interface owing to lattice mismatch contributes to the shift between CdSe and CdSe/ZnS with the same size.

结果显示表面修饰完善的样品的荧光光谱只有一个窄而强的带边发射;所有样品的荧光峰相对于1S-1S吸收峰有较大的红移,并且移动量随尺寸的减小而增加,利用激子的精细结构模型很好地解释了红移量和尺寸的关系;核/壳结构的样品的吸收峰和荧光峰相对于同尺寸的单量子点也有红移现象,这是由于CdSe和ZnS的晶格失配在界面上产生压力造成的。

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She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。