These QTLs were considered to be associated with the expression of field resistance of rice varieties to WBPH.
这些QTL被认为与水稻品种对白背飞虱田间抗性表达有关。
Race specific resistance and field resistance of 30 monogenic rice lines resistant to rice blast, derived from different resources were evaluated.
对来自不同抗源的30个抗稻瘟病单基因系进行了小种专化抗性及田间抗性的分析和评价。
It is found out that the R gene containg the field resistance variety is without virtual meaning. for the infection period of variety and the grade determined the level of field resistance.
作者查明有田间抗性品种的R基因有没实际意义。品种感染时期和等等是由田间抗性水平决定的。
Last week two European researchers received the Nobel Prize in Physics for discovering that a magnetic field significantly reduces the electrical resistance of certain atom-thin metallic sandwiches.
上周,两个欧洲的研究人员因为发现磁场能够大大降低某些原子薄金属三明治的电阻而获得了诺贝尔物理学奖。
Since a magnetic field changes the resistance of ordinary metals by only a fraction of a percent, they dubbed this phenomenon "giant magnetoresistance," or GMR.
由于磁场变化对普通金属只会造成远远不到百份之一的电阻变化,这种现象被称为“巨磁电阻”或巨磁阻gmr。
Since a magnetic field changes the resistance of ordinary metals by only a fraction of a percent, they dubbed this phenomenon "giant magnetoresistance, " or GMR.
由于磁场变化对普通金属只会造成远远不到百份之一的电阻变化,这种现象被称为“巨磁电阻”或巨磁阻GMR。
They measured the electrical resistance parallel to the layers and found that it dropped by about 1.5% when they placed it in a magnetic field.
他们测量其平行于层的电阻,发现它放置在一个磁场干扰的地方时下降了约1.5%。
Thomson found that the electrical resistance of some materials changes when a magnetic field is applied to them. This effect can be used to read back what has been recorded.
他发现有些材料在受到磁场作用时会改变其电阻性,这种效应也可被应用于回读被记录的数据。
When Albert Ellis created REBT in the 1950's he met with much resistance from others in the mental health field. Today it is one of the most widely-practiced therapies throughout the world.
当艾利斯上个世纪50年代创立理情行为疗法时他遇到了一些其他来自心理健康领域的抵制,而今天这种疗法成为全世界最广泛应用的心理疗法之一。
In order for the 375 Field Communicator to function properly, a minimum of 250 ohms resistance must be present in the HART loop.
为了使375现场通讯器正常工作,HART回路中必须至少存在250欧姆的电阻。
The size and number of steel wheel lug's holes, formed within the same distance, reflect directly its motion resistance when rolling in paddy field.
水田铁轮在水田中滚动时,在相同区段上所形成的刺孔的大小与多少直接影响共滚动阻力的大小。
This reduces the efficiency of screening for resistance in field and slows down the development of new resistant cultivars.
这一方面降低了田间抗性鉴定的效率和准确性,另一方面阻碍了抗病品种选育的进程。
At present the urgently problem in synthetic leather field is the distinct difference of hydrolysis resistance ability between synthetic leather and savageness leather.
目前在合成革领域亟待解决的问题是合成革在耐水解老化方面与天然皮革的差距还比较明显。
Changing of material resistance with applied magnetic field intensity is called Giant magnetoresistance (GMR).
磁电阻效应是指材料的电阻随外加磁场变化而变化的现象。
In the paper, the theory about the damage of flood and the theory of water-logging resistance was mainly introduced. Some suggestions in this field were also pointed out.
主要介绍植物水分逆境下涝害产生机制以及植物耐涝机理的研究现状,并提出和讨论了有关该领域有待进一步探讨的问题。
Three standard grades of magnetic materials are offered to fulfill a broad spectrum of magnetic field requirements along with a high resistance to demagnetization.
同时提供三个标准等级的磁性材料,满足具有高抗退磁磁场的广泛需求。
The principle and method for measuring the resistance under zero background magnetic field, critical current density and mechanical intensity are presented and some results are given.
本文介绍了其零场电阻,临界电流密度及机械强度性能的测量原理和方法,并给出了测量结果。
HEPA supply outlet diffusion perforation panel influences cleanroom air velocity field, cleanliness, cleanliness recovery characteristic and resistance of the diffusion panel.
高效过滤器送风口扩散孔板的开孔情况影响着室内流场、室内空气洁净度、洁净室自净时间和扩散板阻力。
The results show that eccentricity of ring holder affects the deformation resistance that the velocity field is a non-perfect triangular one.
结果表明抱辊偏心对变形抗力有影响,辗扩工艺具有不完整的三角形速度场。
The An. funestus mosquito is difficult to collect and rear from the field and hence published studies of insecticide resistance in this species are limited.
在当地这种致病性蚊子很难收集和培养,所以关于这一物种耐药性的已发表的研究寥寥无几。
The resistance test of wheat genotypes from Hebei province and Europe to FHB was conducted in the field.
对河北省小麦品种和捷克收集的欧洲小麦品种进行田间抗赤霉病性鉴定。
In this paper, the definition and the field of application of noise resistance for the electronic noise measurement in communication testing system are discussed.
本文探讨噪声电阻的定义方法及其在通讯检测系统中的应用范围和局限性。
Results All the 7 field populations were found to have developed resistance to DDVP and propoxur.
结果7个种群对DDVP和残杀威均产生了不同程度的抗性。
The Fenpropathrin resistance level are 9.6 and 1.9 fold, the leaf mites of the experimental field having low level resistance.
对灭扫利的测定,两地抗性倍数分别为9.6和1.9倍,试验站的棉叶螨已产生低水平抗性;
In addition, the magnetic field quenching will increase the resistance of the T10 steel to tempering because of a large amount of dispersed carbides in the steel after magnetic field quenching.
此外,磁场淬火还提高了T10钢的抗回火能力,这是由于磁场淬火后的钢中含有大量弥散碳化物所致。
The research is based on properties of magnetoresistor, whose resistance varies with the angle position in the magnetic field.
对磁敏电阻的阻值随其在磁场中的角度位置变化而改变这一特性进行了实验研究。
The result of lab test can not reflect the application effect in field test, so it is necessary to use mosquitoes in field for resistance and efficacy test.
试验结果同时反映现行的蚊香试验和评价标准难以全面评价蚊香实际使用效果,有必要应用野外蚊虫进行测试并研究抗药性与药效关系。
Our work give a quantitive demonstration to the recent experimental data, and these results are useful to the further study of resistance property with magnetic field.
对新近实验观测,给出了定量的解释,为进一步研究体系在磁场调制下的自旋极化载流子的输运行为打下了基础。
Our work give a quantitive demonstration to the recent experimental data, and these results are useful to the further study of resistance property with magnetic field.
对新近实验观测,给出了定量的解释,为进一步研究体系在磁场调制下的自旋极化载流子的输运行为打下了基础。
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