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中子成分
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  neutron component
     According to the distribution of cosmic ray ionization with altitude andlatitude as well as the census information in all of our country (the endof the year 1986), the population-weighted mean annual effective dose equivalentreceived by the population living at mainland areas in China is estimated to beabout 278 μSv, in which the ionizing component and the neutron component are252 μSv and 26 μSv, respectively.
     文章根据宇宙射线的高度与纬度分布、我国大陆地区居民居住地的地理分布和1986年底全国人口统计资料估算,得出我国大陆地区居民所受宇宙射线外照射人口加权平均年有效剂量当量为278μSv,其中电离成分和中子成分分别为252和26μSv。
短句来源
     The anisotropy for μ-meson component are also analysed beside neutron component, and the relationship between the cosmic ray intensity variation and the characteristics of solar flares and geomagnetic activities are discussed.
     除对中子成分分析外,还对μ介子成分及其各向异性特征作了分析,讨论了宇宙线强度变化与太阳耀斑特性和地磁扰动之间的关系。
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  “中子成分”译为未确定词的双语例句
     (5)The point-weighted and population-weighted average value ofnatural penetrating radiation dose rate inside buildings is 12.23 and 11.99 ×10~(-8)Gy·h~(-1),outsidebuildings is 8.62 and 8.49×10~(-8)GY·h~(-1), respectively;
     (5)环境天然贯穿辐射剂量率(不包括中子成分)按测点和按人口加权的平均值,室内分别为12.23和11.99×10~(-8)Gy·h~(-1),室外分别为8.62和8.49×10~(-8)Gy·h~(-1);
短句来源
     (5)The point-weighted and population-weighted aver-age value of natural penetrating radiation dose rate inside buildings was 13.1 and 13.2×10~(-8)Gy·h~(-1),and outside buildings was 10.1 and 9.88×10~(-8)Gy·h~(-1),respectively;
     (5)天然贯穿辐射(不包括中子成分)剂量率按测点和人口加权均值,室内分别为13.1和13.2×10~(-8)Gy·h~(-1),室外分别为10.1和9.88×10~(-8)Gy·h~(-1);
短句来源
     (5)The point-weighted and population-weighted aver-age value of natural penetrating radiation dose rate inside buildings is 18.00 and 18.05×10~(-8)Gy·h~(-1),outside buildings is 12.29 and 11.70×10~(-8)Gy·h~(-1),respectively;
     (5)天然贯穿辐射剂量率(不包括中子成分)按测点和人口的加权平均值,室内分别为18.00和18.05×10~(-8)Gy·h~(-1),室外分别为12.29和11.70×10~(-8)Gy·h~(-1);
短句来源
     (5)the weighted average of dose rate from naturalpenetrating radiation(except for neutron)over point number and population was 12.15 and12.00×10~(-8)Gy·h~(-1)indoors,and 8.63 and 8.64×10~(-8)Gy·h~(-1) outdoors respectively;
     (5)天然贯穿辐射(不包括中子成分)剂量率,按测点和人口加权均值,室内分别为12.15和12.00×10~(-8)Gyh~(-1),室外分别为8.63和8.64×10~(-8)Gyh~(-1);
短句来源
     (4)The point-weighted and population-weighted average value of the dose rate inside buildingsfrom cosmic ray is 102.9 and 96.6 nGy·h ̄(-1),and outside buildings is 121.4 and 112.1nGy·h ̄(-1),respectively;
     (4)宇宙射线电离成分(不包括中子成分,下同)所致空气吸收剂量率按测点和人口加权均值,室内分别为102.9和96.6nGy·h ̄(-1),室外分别为121.4和112.1nGy·h ̄(-1);
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  相似匹配句对
     HIGH ORDER COMPONENTS OF NEUTRON BEAMS FROM Ge(111) REFLECTION
     Ge(111)反射束的高次中子成分
短句来源
     The Alkaloidal Constituents of Delphinium grandiflorum L.
     翠雀花的生物碱成分
短句来源
     The effect component of shiitake
     香菇的有效成分
     NEUTRON TRIPLE-AXIS SPECTROMETER
     中子三轴谱仪
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     ON THE SPACE-TIME METRIC OF A NEUTRON
     中子的时空度规
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  neutron component
The role of the neutron component of extensive air showers at PeV and EeV energies is considered.
      
The data suggest an explanation of the48Ti(d, t)47Ti ground state transition by means of a [f72/5 ·f5/2]0+ neutron component in the ground state of48Ti.
      
The experimental angular distribution of the fast neutron component from the giant resonance can be represented by a value of B/A of 0.9 + 0.1 in agreement with that expected for shell model transitions.
      
The RBE for the neutron component of the Cf-252 radiation was 2.1.
      
Such an interrelation must apply because the observed excess incidence or mortality is made up of a γ-ray and a neutron component; increased attribution to neutrons decreases the attribution to photons.
      
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Human peripheic blood were exposed in vitro 1.3m out of thehorizontal hole of heavy water reactor at 2000kw power.The neutron spectrum was measured by solid state fission track neutron detector and γ ray dose by~7LiF TLD.The kerma of blood sample was computed on the basis of thespectrum.The neutron dose was about 40 percent of total mixed dose.Themean energy of neutronspectrum was 0.38 MeV and its effective energy 1.91MeV.The neutron dose-range was about 6—170 rads and γ ray dose-rangeabout 8—300rads.Blood samples...

Human peripheic blood were exposed in vitro 1.3m out of thehorizontal hole of heavy water reactor at 2000kw power.The neutron spectrum was measured by solid state fission track neutron detector and γ ray dose by~7LiF TLD.The kerma of blood sample was computed on the basis of thespectrum.The neutron dose was about 40 percent of total mixed dose.Themean energy of neutronspectrum was 0.38 MeV and its effective energy 1.91MeV.The neutron dose-range was about 6—170 rads and γ ray dose-rangeabout 8—300rads.Blood samples was cultured for 48—52 hours after irradiation.Dicentric,centric ring and acentric aberrations were counted.For n+γ mixed irradiationdicentric plus centric ring gave the best fit to second degree polynomial modelwith a=0(the regression line passed through the origin)(?)and acentric aberrations fited in withline model(?)The dicentric plus centric ring induced by neutron constituent in n+γmixed irradiation fited to line model(?)The RBE values of dicentric plus centric ring induced by n+γ mixedirradiation for 180kVX ray fall with increase of dose in the range ofexperimental dose.They ranged from 2.11 to 1.16.Thus attention shouldbe paid to neutron protection in reactor radiation protection.

实验研究了用重水反应堆 n+γ混合束(中子有效能量为1.91兆电子伏;总剂量中,中子成分占40%左右)照射离体人血诱发的染色体畸变的剂量-效应关系。实验剂量范围:中子约6—170拉德,γ约8—300拉德。对混合照射,双+环和无着丝点畸变分别满足以下二次多项式和直线模式:y_(双+环)=(11.76±3.46)×10~(-4)D_(n+y)(3.69±0.91)×10~(-6)D~2_(n+y)y_无=(22.64±1.55)×10~(-4)D_(n+y)对混合照射中中子成分诱发的双+环满足以下直线模式:Y_(双+环)=(-0.05+0.04)+(54.4±5.6)×10~(-4)D_n对双+环,n+γ混合照射相对于180kV X 射线照射的 RBE 值,随剂量增加而降低,在实验剂量范围内,大约从2.11降到1.16。

As a result of summing up(in accordance with doseproperties of costnic rays)the balloon flight measurements and associatedmeasurements on the ground that we made during last two years,twoempirical formulas are obtained which might be used to estimate cosmicray dose equivalent rate of the charged particle componentH_e and of theneutron componentH_n respectively.The work reported here also mentions latitude effect,boundary effectof neutron transportation,and a few other problems associated withapplication of these...

As a result of summing up(in accordance with doseproperties of costnic rays)the balloon flight measurements and associatedmeasurements on the ground that we made during last two years,twoempirical formulas are obtained which might be used to estimate cosmicray dose equivalent rate of the charged particle componentH_e and of theneutron componentH_n respectively.The work reported here also mentions latitude effect,boundary effectof neutron transportation,and a few other problems associated withapplication of these formulas.The results have been compared with the simular work done by foreignauthors.

本文根据近两年来我们从高空气球携带的探测器所获得的数据及在地面上相应测量的数据,结合低空宇宙辐射的剂量学特性,总结了两个经验公式,分别用于估计宇宙辐射带电粒子成分的剂量当量率 H_e 及中子成分的剂量当量率 H_n。结果同国外类似工作作了比较。文中讨论了地磁纬度效应和中子界面效应的影响及其它应用中的问题。

High order neutron components from Ge(lll) reflection have been measured in the region of 5-22 meV using time-of-flight method at the heavy water reactor in Beijing. The measured results have been compared with theoretical calculation and a satisfactory agreement is obtained. The results show that Ge(111) reflection suffers from a serious order contaminations below 20 meV.

在重水反应堆旁利用中子飞行时间方法测量了5—22meV中子能区内Ge(111)Bragg反射束中的高次中子成分,并与理论计算进行了比较,两者符合甚好。结果表明,在20meV以下,Ge(111)反射束的级次污染较严重。

 
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