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主峯
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  main peaks
     By separating the main peaks from each other, the values of activation energy for peak Ⅰ and Ⅲ have been determined to be 0.22 eV and 1.2 eV respectively.
     用分峯法将热释光曲线的主峯分开,由此求得峯Ⅰ和峯末的活化能分别为0.22及1.2电子伏;
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     It is found that on the glow curve there appear three main peaks between 77°K and 273°K with irradiation doses up to 9×105 rads, but the number of peaks is reduced to two as the dose is increased to or over 2×106rads.
     当剂量在9×10~5拉特以下时,在77到273°K 之间出现三个主峯; 当增高剂量(2×10~6拉特以上)时则仅呈现二个主峯
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  “主峯”译为未确定词的双语例句
     (4) The reduced widths of the ground levels for the C12(d, p)C13 and Ca40(d, p)Ca41 reactions, obtained from the peak cross-sections by using the Butler theory are γ2 = 0-17 and 0.041 respectively.
     (4)用主峯处的截面和Butler理论算得的基态的约化宽度,对C~(12)(d,p)C~(13)和Ca~(40)(d,p)Ca~(41)反应分别为r~2=0.17和0.041;
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  相似匹配句对
     Separation of main work and non-main work;
     辅分离;
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     The Car Like Its Owner
     车如其
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     and "carbon peak" occurs around 925℃.
     碳在925℃附近。
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  main peaks
The evolution of the main peaks in the velocity distributions can be followed to an average age of ≈9 Gyr.
      
As the vapor pressure was increased to 2.5 kPa, the emission intensity decreased by one-two orders of magnitude and the main peaks shifted to λ=286 and 306-315 nm.
      
Most of the spectral energy was concentrated within a range of 7-150 kHz with the main peaks at 60-110 kHz.
      
It has been found that the main peaks of C70O resemble those of C70 and the characteristic absorptions beyond 460 nm are produced, which is in agreement with the experimental results.
      
The time variations of ?Q1? and ?Q2? are in phase with those of -ω500, and have their main peaks within the CH Meiyu period.
      
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As ZnS-Cu.Pb phosphor excited by the a.c.triangle voltage,a special principle peak will be observed in its brightness wave.The authors measured its phase in serveral different conditions of excitation,and explained it with the hypothesis of the electron-exhaustion on the captured-level.The results of experiments just coincided with the theory.By the calculation of the results measured,the critical field-strength for the electron-exhaustion on the deep captured-level of ZnS-Cu.Pb phosphor is about 10~6 v/cm.

当 ZnS—Cu·Pb 燐光体被交变锯齿波电压激发时,其亮度波形中将出现一种比较特殊的主峯。作者在几种不同的激发条件下测量了它的位相,并用俘获能级上电子耗尽的假设进行了解释。理论与实验很好地相符。而根据测量所得的结果计算,求得 ZnS—Cu·Pb 燐光体的深俘获能级上电子耗尽底临界电场强度约为10~6伏特/厘米。

The effects of irradiation atmosphere, irradiation dose, and heating rate upon the thermoluminescence of γ-irradiated polyethylene sheet were studied. It is found that on the glow curve there appear three main peaks between 77°K and 273°K with irradiation doses up to 9×105 rads, but the number of peaks is reduced to two as the dose is increased to or over 2×106rads. At low irradiation dose, the effect of oxygen is pronounced, while peak I (the low temperature peak) seems to remain unchanged.Furthermore, an endothermal...

The effects of irradiation atmosphere, irradiation dose, and heating rate upon the thermoluminescence of γ-irradiated polyethylene sheet were studied. It is found that on the glow curve there appear three main peaks between 77°K and 273°K with irradiation doses up to 9×105 rads, but the number of peaks is reduced to two as the dose is increased to or over 2×106rads. At low irradiation dose, the effect of oxygen is pronounced, while peak I (the low temperature peak) seems to remain unchanged.Furthermore, an endothermal peak with its temperature location close to glow peak Ⅰ, is observed on the DTA (differential thermal analysis) diagram of an irradiated polyethylene powder sample. Contrary to the glow peaks, this endothermal peak disappears after repeated irradiation, even on repeated DTA testing. This indicates that the glow peak I and the endothermal peak are of different origin, but it is considered that the factors determining the temperature locations for the appearance of these two peaks might be the same.By separating the main peaks from each other, the values of activation energy for peak Ⅰ and Ⅲ have been determined to be 0.22 eV and 1.2 eV respectively. However, the value for peak Ⅲ is nearly identical with that obtained by the method of changing heating rate, while the difference between the values for peak I is fairly large. By comparing the experimental curve with the calculated ones, it is shown that the results obtained by the peak-separating method is more reasonable.

本文研究了剂量、辐照气氛、升温速率对γ-辐照聚乙烯的热释光曲线的影响。当剂量在9×10~5拉特以下时,在77到273°K 之间出现三个主峯;当增高剂量(2×10~6拉特以上)时则仅呈现二个主峯。低剂量时,氧对释光曲线有显著影响,但对峯Ⅰ(低温峯)则观察不到明显的影响。 在辐照聚乙烯的差热分析中,我们观察到一个由辐照引起的吸热峯。虽然该差热峯的温度位置与释光峯峯Ⅰ相近,但与释光峯在反复辐照时仍可出现的情况相反,在反复测试差热或反复辐照时该吸热峯却不再出现。这表明产生这两种峯的因素不是同一的,而决定这两种峯的温度位置的因素却可能是相同的。 用分峯法将热释光曲线的主峯分开,由此求得峯Ⅰ和峯末的活化能分别为0.22及1.2电子伏;与由变更升温速率法所求得的活化能相比较,对峯末由两种方法所得的结果相近,对峯Ⅰ则相差较大。通过与理论计算曲线相比较,表明分峯法所得的结果较为合理。

The angular distribution and differential cross-section of the proton groups from the C12(d, p)C13 and Ca40(d, p)Ca41 ground state reactions have been measured at the deu-teron energy of 13.3 MeV. Measurements were made at 2.5° or 5° intervals and covered the angular range from 3° to 167° and from 10° to 164° for the C12 and Ca40 reactions respectively. It is found that: (1) The experimental points near the main stripping peak agree fairly well with the theoretical angular distribution curve calculated by using...

The angular distribution and differential cross-section of the proton groups from the C12(d, p)C13 and Ca40(d, p)Ca41 ground state reactions have been measured at the deu-teron energy of 13.3 MeV. Measurements were made at 2.5° or 5° intervals and covered the angular range from 3° to 167° and from 10° to 164° for the C12 and Ca40 reactions respectively. It is found that: (1) The experimental points near the main stripping peak agree fairly well with the theoretical angular distribution curve calculated by using the simple Butler theory and normalized at the stripping peak, for both proton groups. The parameters of the nuclear levels thus determined are in good accord with the results previously obtained. (2) For large angles, the experimental cross-sections do not decrease to such small values as required by the Butler theory. They also show very prominent subsidiary maxima at the positions not in accord with the prediction of the Butler theory. These features can be interpreted by the distorted wave theory, but may also be partly due to contributions of reaction mechanisms other than the deuteron stripping. (3) In the C12(d, p)C13 reaction, the cross-section decreases strongly at the forward angle and shows an uprising at the backward angle. Neither of these features is in accord with the Butler theory, but they can also be explained by the distorted wave theory. The uprising at the backward angle may also be due to contributions of other reaction mechanisms. (4) The reduced widths of the ground levels for the C12(d, p)C13 and Ca40(d, p)Ca41 reactions, obtained from the peak cross-sections by using the Butler theory are γ2 = 0-17 and 0.041 respectively. The distorted wave theory gives larger values which will be closer to the values expected from the single particle model. Owing to these facts, it seems worthwhile to analyze the data of the present experiment with the detailed distorted wave theory.

本实验测量了C~(12)(d,p)C~(13)及Ca~(40)(d,p)Ca~(41)基态反应质子群的角分布和微分截面。氘核能量为13.3MeV,对C~(12)和Ca~(40)的反应,其测量角度范围分别为3°—167°和10°—164°,每隔2.5°或5°测量一点,其主要结果如下:(1)对于这两群质子,在主削裂峯附近的实验点和用简单Butler理论算得的理论角分布曲线都符合得相当好;理论计算数据对实验数据在主峯处归一;由此而定得的核能级参数与前人所得到的是一致的。(2)大角度区的实验截面数值没有减小到象Butler理论所要求的那样小,并有非常明显的次极大出现,其位置与Butler理论所预言的不一致;这些特点可以用扭曲波理论来解释,非氘核削裂机制也可能有部分贡献。(3)在C~(12)(d,p)C~(13)反应中,前角度区的截面有很大下降,而后角区则有明显的增加,这些现象都和Butler理论不一致;然而,这也可以用扭曲波来解释。(4)用主峯处的截面和Butler理论算得的基态的约化宽度,对C~(12)(d,p)C~(13)和Ca~(40)(d,p)Ca~(41)反应分别为r~2=0.17和...

本实验测量了C~(12)(d,p)C~(13)及Ca~(40)(d,p)Ca~(41)基态反应质子群的角分布和微分截面。氘核能量为13.3MeV,对C~(12)和Ca~(40)的反应,其测量角度范围分别为3°—167°和10°—164°,每隔2.5°或5°测量一点,其主要结果如下:(1)对于这两群质子,在主削裂峯附近的实验点和用简单Butler理论算得的理论角分布曲线都符合得相当好;理论计算数据对实验数据在主峯处归一;由此而定得的核能级参数与前人所得到的是一致的。(2)大角度区的实验截面数值没有减小到象Butler理论所要求的那样小,并有非常明显的次极大出现,其位置与Butler理论所预言的不一致;这些特点可以用扭曲波理论来解释,非氘核削裂机制也可能有部分贡献。(3)在C~(12)(d,p)C~(13)反应中,前角度区的截面有很大下降,而后角区则有明显的增加,这些现象都和Butler理论不一致;然而,这也可以用扭曲波来解释。(4)用主峯处的截面和Butler理论算得的基态的约化宽度,对C~(12)(d,p)C~(13)和Ca~(40)(d,p)Ca~(41)反应分别为r~2=0.17和0.041;用扭曲波理论计算时,则得到较大的r~2值,后者更接近于单粒子模型所预言的数值,基于上面这些事实,对本实验的数据使用扭曲波理论来进行分析似乎是值得的。

 
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