查询词典 electric resistance

The effective resistance is the parallel combination of the source resistance and the feedback sensing resistance.

有效电阻为源电阻和反馈取样电阻的并联组合。

Tauschii varieties. The diversification analysis of Ae. tauschiis resistance to wheat sharp eyespot according to the relative resestance index of four phases revealed that, seventy-six varieties have a higher resistance to R. cerealis and would be used in wheat engineering in future. Investigating the resistance of Ae.

并根据所有供试材料在不同生长期和不同年份的相对抗病指数，对所调查的材料进行抗性多样性聚类分析，综合分析得出共有76份材料表现为较强的纹枯病抗性，是我国小麦改良育种很好的纹枯病菌抗源。

Repens L. and E. intermedia Nevski by using SSR, in order to provide science theories basis and base to further study E. repens L. drought resistance gene molecular marker, discover excellent drought resistance gene source , fast and efficiently select with the molecular marker of drought resistance gene catena for E.

通过对20 份来源不同的偃麦草与中间偃麦草种质材料在室内模拟逆境和田间干旱条件下进行抗旱材料的筛选和鉴定，应用SSR 技术对偃麦草抗旱分子标记进行引物筛选，为进一步深入研究偃麦草与中间偃麦草抗旱基因分子标记、发掘优异抗旱基因源，快速高效筛选出与偃麦草与中间偃麦草抗旱基因连锁的分子标记提供科学理论依据和基础。

It analyzes contradiction on applicable location of fire resistance rolling screen in GB 500045-95 with reality,puts forward two solutions,and introduces countermeasures for quality of fire resistance rolling screen and technical supervision to display function of fire resistance rolling screen .

分析了GB 50045-95中关于防火卷帘的适用场所这一规定在现实当中出现的矛盾，并提出了解决矛盾的两种办法，介绍了解决防火卷帘质量及技术归口监督问题的对策，以发挥防火卷帘的正常功能。

These products are notable for their superior dimensional stability, long-term creep resistance, long-term fatigue resistance and excellent resistance to moisture, chemicals and fuels, even oxygenated fuels and gasohol.

这些产品因其优异的尺寸稳定性、长期抗蠕变性、长期抗疲劳、耐湿、耐化学，以及耐燃油而著名。它们甚至耐氧化性燃油和酒精汽油混合燃料。

Gum plant species are available, the use of different The quality polymer materials to create suitable for various occasions (oil, chemical resistance medium, high resistance, low temperature, anti-aging, and so on) the use of various types of rubber products. 1, GM products are rubber mats-washers, shock absorption pads, the oil O laps, all kinds of sheathing Aprons, machinery and other accessories. 2, high and low temperature-resistant silicone products, such as lighting jacket, medical supplies, food industrial products and strengthen the resistance of medium fluoride胶制品; fire products; anti-aging, resistant to ozone B C products; combination of low-friction rubber sealing systems. 3, with metal skeletons rubber products, such as road construction machinery tracked plate, shock absorption pads, rubber tire, such as Sa Shuiche shock absorption pad.

厂内胶种齐备，采用性能各异的优质高分子材料，制造适合于各种场合（耐油，耐化学介质，耐高、低温，耐老化等）使用的各类型橡胶制品。1、通用制品有橡胶垫、平垫圈、减震垫、耐油的O圈、各类护套胶圈、机械配件等。2、耐高低温硅胶制品，如灯饰护套、医疗用品、食品工业品、耐强化学介质氟胶制品；耐燃制品；耐老化、耐臭氧乙丙制品；低磨擦橡塑组合密封系统。3、带金属骨架橡胶制品，如筑路机械履带板、减震垫、胶轮、洒水车减震垫等。

The results showed the resistance was controlled by at least two pairs of genes, and was incompletely recessive. Effect of backcross was very significant and that of reciprocal cross was not. Resistance was dominated by nuclear genes, narrow inheritability was comparatively high. The resistance was in keeping with additive-dominance model, and dominance was dominating, and showed a quantitative character.

结果表明：苦瓜对白粉病的抗性受两对以上基因控制，两对主基因抗病相对感病为不完全隐性，回交效应极显著，正反交效应差异不显著，抗病性主要受核基因控制，两对主基因的狭义遗传力较高，符合加性－显性模型，加性效应较大，抗性效应在亲本和F1间存在极显著正相关，表现为数量性状遗传的特点。

The results as follow:(1) The resistance,which had a great inheritability,was controlled by both additive heredity and non-additive heredity,but the former was more important than the later.(2) Restorer's GCA was more important than CMS line's,but the later had significant effect on the resistance of its crosses.(3) K42A、K40A,Duohui No.1 and Chenghui 149 had better GCA of resistance to leaf blast than the other tested parents.

结果表明，杂交水稻苗瘟抗性遗传力高，受加性和非加性基因效应共同控制，但以加性效应为主；恢复系的苗瘟抗性一般配合力效应明显相对重要于不育系，不育系苗瘟抗性一般配合力效应对Fi代的抗性有显著的影响；14个供试亲本中，多恢1号、成恢149、H42A、K40A具有较好的苗瘟抗性一般配合力效应。

Measurements from voltage sources with high internal resistance are subject to a number of errors, such as loading errors from the voltmeter's input resistance and input bias current, as well as from external shunt resistance and capacitance.

对高源内阻电压源的测量容易产生几种误差，诸如：电压表输入电阻和输入偏置电流以及外部分流电阻和电容引起的负载误差。

As in the case of input resistance voltage loading, the shunt resistance and the source resistance form a voltage divider that reduces the measured voltage as follows

和输入电阻的电压负载作用一样，分流电阻和源电阻也形成了一个分压器，并将测量的电压衰减如下

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。