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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Characteristics of single and dual radio-frequency (RF) plasma sheaths
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The sheaths behave special properties under various situations where they can be treated as collisionless or collisional, single-or dual-RF, one-or two-dimensional (1D or 2D) sheaths, etc.
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A new type of HTc superconducting film combshape resonator for radio frequency superconducting quantum interference devices (RF SQUID) has been designed.
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In this paper, we report on simulating the relationship of the value of the center frequency and the length of the teeth, and testing the noise of HTc RF SQUID coupling this comb-shape resonator.
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Lanthanum-doped lead titanate [(Pb0.9,La0.1)TiO3, PLT10] ferroelectric thin films were grown on Si(100) and Pt/Ti/SiO2/Si(100) substrates by radio frequency (RF) magnetron sputtering.
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| | 1. The Rf value of paper chromtograph of 16 Naphtols have been determinated using the filter paper made in this country and several solvent including ethyl alcohol, n-butyl-alcohol, NH,OH, pyridine, etc. 2. By means of spectrophotometric and colorimetric methods of measurement on tht azo solution of naphtol AS series. The adsorption isotherms of AS, AS-D, AS-BO and AS-SW on cotton fabrics at 30℃. were obtained. Culenlations based on Vickerstoff's equation were obtained as follow: naphtol affinities (c... | | 1.以国产滤紙,測定了16种AS的R_f值,用了若干溶剂,包括了乙醇,正丁醇,NH_4OH及吡啶等。 2.在溫度30℃,AS的偶氮溶液以光电分光度法及比色法,測定了AS,AS-D,AS-BO,AS-SW的吸附等温线,根据Vickerstoff公式Δμ=lu (D(?)(Nα)~z(?)RT)/(Dσ(Nα)_(zσ)V~(z+1)计算出AS的亲和力(Cal/mole)AS 2470 AS-D 3080 AS-BO 2760 ΔS-SW 3230 3.找出了R_F值与亲和力的关系式Δμ=-2660+RT(z+1)lu (R_f)/(1-R_f) AS-D是例外。 | | 文摘来源 | | In this article the parametrically coupling of oscillations in a small ellipsoid of ferrite under the excitation of an uhf pumping of any spatial distribution is discussed. It is pointed out that the coupled oscillations may be induced through the two types of driving, field driving and magnetization driving. A special case of the former was recently discovered by Denton, who used a longitudinal pumping field uniform in space. A special example of the latter is found in Suhl's theoretical analysis and a num... | | 在本文中我们系统地讨论了铁氧体小样品在超高频电源的激发下产生参量振璗的耦合关系,指出激发机构应分为磁场驱动和磁化驱动二类。前者的特例为Denton新近发现的,使用空间均匀的纵向注入场;后者的特例为Suhl最早所研究的,使用空间均匀的横向注入场所激发的一致进动的磁化向量为驱动力。从静磁势函数的耦合微分方程我们得到这二种特殊注入方式激发的静磁势函数的完全解(一次近似),表达为Walker函数的线性组合,在边界连续的要求下,这些势函数中的Walker模只在它们的指标之间适合一定的条件时才相互关联。当直流磁场调谐于一对Walker模时,耦合的静磁势简化为静磁操作的势函数。我们具体分析了静磁操作参量振璗从注入场吸取的功率,根据后者必须不为零才可能产生参量振璗,我们推导出空间均匀场激发一对静磁模的选择定则,恰与从边界连续推出的关联条件完全相同,并且进一步得到空间不均匀场激发一对静磁模的选择定则。我们指出,参量振璗的振幅的决定必须引用能量守恒和量子数相等的方程。最后我们采用Suhl的方法推算出空间均匀的纵向注入场的激发临阈强度,并且讨论了这一方法的近似性质。 | | 文摘来源 | | The effects of corydalis B and chlorpromazine on the descending influences of different areas of the brain stem reticular formation (RF) upon flexor reflex activities were studied in 47 chloralose anesthetized cats. Corydalis B (15—20 mg/kg) showed a powerful blocking action on the inhibition evoked by stimulating points in the inferior olivary nucleus (IO) and superior olivary nucleus (SO)of the medulla oblongata. It also exhibited a blocking action on the facilitation induced by stimulating the are... | | 1.乙素对屈肌反射有抑制作用,乙素对延脑网质抑制部分的橄榄下核区与橄榄上核及其附近区的下行性抑制功能有阻断作用,对延脑促进区的薄束核及其附近区和内侧网质的下行性促进功能有取消作用,对中脑网质促进区的被盖中央束区的下行性促进功能也同样能阻断。 2.氯丙嗪对屈肌反射活动也有抑制作用,氯丙嗪对延脑促进部分的薄束核及其附近区的下行性促进功能有取消作用,对延脑抑制部分的内侧纵束区的下行性抑制功能有程度不同的阻断作用,但对橄榄下核区和内蹄系区之抑制作用及结合臂交叉的兴奋作用则无影响。 3.乙素和氯丙嗪虽然对脑干网质下行性功能的作用上具有相似之处,但也有不同的选择作用部位,故二者的作用并非完全一致。 | | 文摘来源 | |   | | << 更多相关文摘 |
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