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nuclide
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  核素
     65Se, a nuclide with Tz=-3/2, A = 4n+1 produced in 40Ca (28Si, 3n) reaction was identified via its B-delayed proton emission.
     通过β延迟质子发射鉴定出了在~(40)Ca(~(28)Si,3n)反应中产生的一个具有T_z=-3/2,A=4n+1的核素~(65)Se。
短句来源
     (EC+β~+) Decay of Neutron Deficient Nuclide ~( 129 ) Ce *
     缺中子核素~(129)Ce的(EC/β~+)衰变
短句来源
     The Measurement of the Activity of ~(134)Cs Nuclide by 4πβ (PC)-γ Coincidence Method
     用4πB(PC)-γ符合法测定~(134)Cs核素活度
短句来源
     ~(208)Hg--The First New Nuclide Synthesized at HIRFL
     HIRFL上合成的第一个新核素——~(208)Hg
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     There was no SD of the nuclide counting ratio between T_0 and T_8,T0 and T_(16),T_4 and T_(16),T_8 and T_(16),T_4 and T_8,respectively(P<0.05),except between T_0 and T_4(P>0.05).
     各时间段实验侧/对照侧核素计数比值中T0与T8、T0与T16、T4与T16、T8与T16、T4与T8均有差异性(P<0.05),而T0与T4无差异性(P>0.05)。
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  “nuclide”译为未确定词的双语例句
     The decay characterisitic of ~ 125 I,~ 139 Ce,~ 88 Y,~ 57 Co,~ 60 Co,~ 137 Cs and ~ 134 Cs radionuclide and the principle for measurement of specific activity of the seven kinds of nuclide with coincidence method, 4πγ ionization room method, spectroscopy method and summing peak method are simply is described.
     简述了125I,139Ce,88Y,57Co,60Co,137Cs和134Cs放射性核素的衰变特性及采用符合法、4πγ电离室法、γ谱仪法、合峰法测量其比活度的测量原理。
短句来源
     The nuclide cardiac function tests showed increasing LVEF,SV, ER and RCO(P<0.05~0.01).
     核素心功能LVEF、SV、ER和RCO均升高(P<0.05~0.01);
短句来源
     The new nuclide 265 Bh has a half-life of 0.94 +0.70 -0.31 s and decays by alpha-particle emission with decay energy of E α=(9.24±0.05)MeV. The half-life and α decay energy of 265 Bh from this experiment are consistent with theoretical predictions.
     实验测得265Bh的α衰变能量为(9.24±0.05)MeV, 半衰期为0.94+0.70-0.31s. 从该实验得出的265Bh的α衰变能量和半寿命能够与理论预言一致.
短句来源
     The nuclide ratios of~(83)Kr/~(86)Kr,~(84)Kr/~(86)Kr,~(131)Xe/~(134)Xe and~(132)Xe/~(134)Xe near linearly correlated with the burnup of the spent fuel can be used for the nuclear safeguards.
     裂片83Kr/86Kr、84Kr/86Kr、131Xe/134Xe和132Xe/134Xe的丰度比值,可用于指示乏燃料燃耗,进而估算正在被分离的钚同位素组成,并有可能对后处理厂实行保障监督。
短句来源
     Study on Mineral Materials' Adsorption Capacity for Nuclide Sr~(2+)
     矿物材料对Sr~(2+)的吸附性能研究
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  相似匹配句对
     Medical cyclotron and positron emitting nuclide
     医用回旋加速器及正电子核素生产
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     The situation and Progress of nuclide migration studies
     放射性核素迁移研究的现状与进展
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  nuclide
A 111In → 111mCd radionuclide generator with the chemical yield higher than 95% and content of parent isotope (111In) in the 111mCd preparation less then 0.6% (relative to the activity of the target nuclide) was developed.
      
The variationof the nuclide composition of the technetium charges, isolated artificial ruthenium at target recycling wasanalyzed.
      
The behavior of the radioactive nuclide content and results of ultrasonic diagnostics of argillaceous rocks and technical ceramics is discussed.
      
In this work, the ratio of the intensities of 14.4-keV gamma rays emitted by the 57Fe nuclide and passing through the thin resonant absorber is measured in the absence and presence of the resonant screen around the absorber.
      
Mass-surface predictions near the doubly magic nuclide 78Ni
      
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The structure and property of the high resolution α-γ coincidence spectrometer and its; applications in determining heavy nuclide qualitatively and quantitatively are described. At present, the energy resolution of the spectrometer is 0.25% (for 5.486MeV aaaaaaaaa particle,, FWHM is 13.8keV); the energy shift of peak is 0.05% during eight hours; nonlinearity is less than 0.2% for the energy region from 4 to 8 MeV.The α probe of the spectrometer mainly consists of a silicon-gold surface barrier detector...

The structure and property of the high resolution α-γ coincidence spectrometer and its; applications in determining heavy nuclide qualitatively and quantitatively are described. At present, the energy resolution of the spectrometer is 0.25% (for 5.486MeV aaaaaaaaa particle,, FWHM is 13.8keV); the energy shift of peak is 0.05% during eight hours; nonlinearity is less than 0.2% for the energy region from 4 to 8 MeV.The α probe of the spectrometer mainly consists of a silicon-gold surface barrier detector with active area 50 mm2 or 314 mm2. The detector is cooled by thermoelectric technique with a low-power Peltier element. Its temperature is decreased form room tem-perature (25℃) to - 25℃. Thus its leakage-current is decresed by 2 orders of magnitude and the system noise is also decreased; the energy resolution of the spectrometer is thus-raised.A 40×35 mm well type Nal (T1) scintillation crystal with 20 mm in well diameter and 25mm in well depth is employed in the γ probe of the spectrometer. The well wall of crystal is covered with 0.5mm thick aluminium. The crystal active thickness is about. 10mm. Thus both the loss of low energy γ-rays and the background of high energy γ-rays are decreased. At the same time, the nuclide measurement sensitivity and accuracy of mixture source are raised by changing source position to be measured in the well.In this paper, the method is being applied to the determination of 241Am in the presence of large amount of Cm and fission products, for example, when the ratio of241Am/242Cm equals 2×10-5 (α activity). It is convenient and accurate to measure 238Pu and 241Am in which the ratio of a activity is in the region of 10-2-50. Besides, it can be applied to the absolute measurement of transplutonium nuclides. Its accuracy is better than±1%.

本文描述了高分辨率α-γ符合谱仪的结构、性能指标及其在重元素核素的相对和绝对含量测定中的应用。目前该谱仪的符合α能谱的能量分辨率为0.25%(对5.486兆电子伏,FWHM=13.8千电子伏);稳定性在八小时内能峰漂移为±0.05%;4—8兆电子伏区间能量非线性<0.2%。文中还简略地叙述了一些实际应用的测量原理及其方法。

The absolute intensity of medical isotopes 181I and 198Au with a short half-life has been measured by the efficiency extrapolation method of Aπβ-γ coincidence absorption curve. The result of the measurement has been corrected for background, dead time, resolving time respectively. The correction for the short half-life has also been considered. The maximum error of the measurement are 0.57% and 1.7% for 131I and 198Au respectively. After a little change of the apparatus, we have measured the nuclide with...

The absolute intensity of medical isotopes 181I and 198Au with a short half-life has been measured by the efficiency extrapolation method of Aπβ-γ coincidence absorption curve. The result of the measurement has been corrected for background, dead time, resolving time respectively. The correction for the short half-life has also been considered. The maximum error of the measurement are 0.57% and 1.7% for 131I and 198Au respectively. After a little change of the apparatus, we have measured the nuclide with electron capture decay.

用4πβ-γ符合吸收曲线效率外推法,测定短寿命的医用同位素~(131)I、~(198)Au绝对强度。测量结果分别对本底、死时间、分辨时间进行了修正,同时还考虑了短半衰期引起的修正。对~(131)I和~(198)Au的最大测量误差分别为0.57%和1.7%。本装置稍作改变后,还测量了具有电子俘获衰变的核素。

In the experiments 610 rats,some guinea pigs,rabbits anddogs were used to study the therapeutic effect of the Tiron,a kind of che- late,on removing uranium from the poisoned animals received lethal doseof uranyl nitrate.The results showed that the Tiron is significantly superiorto the EDTA and DTPA in removing nuclide from the animals body and isable to reduce the mortality of poisoned animals.in the control groupswithout chelate treatment,90—100% of the poisoned animals died of uran-ium poisoning within...

In the experiments 610 rats,some guinea pigs,rabbits anddogs were used to study the therapeutic effect of the Tiron,a kind of che- late,on removing uranium from the poisoned animals received lethal doseof uranyl nitrate.The results showed that the Tiron is significantly superiorto the EDTA and DTPA in removing nuclide from the animals body and isable to reduce the mortality of poisoned animals.in the control groupswithout chelate treatment,90—100% of the poisoned animals died of uran-ium poisoning within 30 days;but in the treated groups with Tiron,90—100% of the animals have been living throughout all experimental period.The uranium content in the excreted urine of those animals treated withTiron was 2—3 times more than that of the control.But delayed treatmentwith Tiron at 24 hours after administration of nuclide was not so effectiveas the early treatment.The toxicity of the Tiron to the kidney is lower thanthat of EDTA and DTPA.The Tiron's LD_(50)is about 6.0 grams per 1 kgbody weight in mice and in rats.

本实验用了610只大鼠、少量豚鼠、家兔和狗,研究了 Tiron 这种螯合剂对接受致死剂量硝酸铀酰中毒动物的排铀治疗效果。实验结果表明,Tiron 在促排核素和降低死亡率上明显地优于EDTA 和 DTPA。在对照组中,90—100%的动物在30天内因铀中毒而死亡;但用 Tiron 治疗的动物中,90—100%的动物都能在实验期内活存下来。给与 Tiron 的动物,其尿铀排出量比对照组多1—2倍。但若在注射核素后24小时给与 Tiron 时,不如早期给药那么有效。Tiron 对肾的毒性比 EDTA 和 DTPA 都低,对小鼠和大鼠的 LD_(SO)为6克每公斤体重左右。

 
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