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辐射稳定性
相关语句
  radiation stability
    A STUDY ON RADIATION STABILITY OF CHEMICAL BONDS IN ORGANIC PHOSPHATES AND PHOSPHONATES
    磷酸酯及膦酸酯化学键的辐射稳定性研究
短句来源
    The radiation stability of various chemical bonds of organic phospha-tes and phosphonates were studied by using of low-temperature (77K) ESR measure-ment of radicals formed in gamma-irradiated samples at 77 K, and by using of MSspectral analysis and the partial charges of atoms calculated by iterative partial equli-zation of orbital electronegativity.
    应用低温(77K)ESR测定了一些有机磷化合物在低温(77K)γ辐照所产生的自由基,并以质谱及原子部分电荷计算结果,讨论了磷酸酯及膦酸酯的键结构与辐射稳定性的关系。
短句来源
  irradiation stability
    STUDY ON IRRADIATION STABILITY OF PRIMAQUINE PHOSPHATE AND ITS INFLUENCE ON RADIATION DEGRADATION OF POLYVINYL ALCOHOL (PVA)
    磷酸伯喹的辐射稳定性及其对聚乙烯醇(PVA)辐射裂解的影响
短句来源
  “辐射稳定性”译为未确定词的双语例句
    The γ-irradiation stability of anhydrous ethylenediamine
    无水乙二胺的γ辐射稳定性研究
短句来源
    The y-radiolys:s of 717-trimethyl anionite Br type, HS04- type and NO3- type in dry, wet form or dipped in Corresponding HBr, H2SO4 and HNO3 solutions has been investigated.
    本文研究了国产717型三甲胺Br~-型,HSO_4~-型,NO_3~-型绝干、含水及相应浸泡于HBr,H_2SO_4,HNO_3等溶液树脂的γ辐射稳定性
短句来源
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  radiation stability
Radiation stability of tin charge states in the (As2Se3)1-z(SnSe)z - x(GeSe)x glasses
      
This paper reports on the results of investigations into the radiation stability of tin charge states in the (As2Se3)1-z(SnSe)z - x(GeSe)x glasses.
      
Conclusions on the relative radiation stability of these D- and L-monosaccharides to the action of nonpolarized radiation were drawn.
      
It was found that polyolefin specimens with a high crystallinity exhibited an enhanced electric strength, radiation stability, and a high yield of quasi-stable radicals at 293 K.
      
The radiation stability of the powdered anomers was the same.
      
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  irradiation stability
Distinct advantages of thorium-based fuels over plutonium-uranium fuels in LMFBRs pertain to a more favourable coolant voiding reactivity coefficient and better fuel element irradiation stability.
      
Post-irradiation stability at various temperatures (-10 to 55°C) has also been studied.
      
Post-irradiation stability of response of an aqueous coumarin dosimeter
      
Aqueous solution of ferrous-cupric sulfate has been evaluated spectrophotometrically as radiation dosimeter and post-irradiation stability at different storage temperatures has been studied.
      
The post-irradiation stability of the dosimeter decreases with an increase in storage temperature.
      
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The y-radiolys:s of 717-trimethyl anionite Br type, HS04- type and NO3- type in dry, wet form or dipped in Corresponding HBr, H2SO4 and HNO3 solutions has been investigated.It shows that anionite HS04- type is more sensitive to y-radiation than the other two. The presence of water increases the rupture of C-N bond, while 7N HN03 can remarkably inhibit the break of C-N bond. There is no relationship between the rupture of C-N bond and OH free radical which can promote the production of weak basic exchangable...

The y-radiolys:s of 717-trimethyl anionite Br type, HS04- type and NO3- type in dry, wet form or dipped in Corresponding HBr, H2SO4 and HNO3 solutions has been investigated.It shows that anionite HS04- type is more sensitive to y-radiation than the other two. The presence of water increases the rupture of C-N bond, while 7N HN03 can remarkably inhibit the break of C-N bond. There is no relationship between the rupture of C-N bond and OH free radical which can promote the production of weak basic exchangable capacity. H atom may hinder the recombination of radicalsformed after rupture of -C-N- bond. The main composition of residue is trimethyl-amine salt mixed with some amount of di methylamine salt. The yield of dimethyl-amine depends on the state of resin and medium. In nitric acid mediam, the yield of dimethylamine is greatly reduced.

本文研究了国产717型三甲胺Br~-型,HSO_4~-型,NO_3~-型绝干、含水及相应浸泡于HBr,H_2SO_4,HNO_3等溶液树脂的γ辐射稳定性。研究表明HSO_4~-型阴离子交换树脂的辐射稳定性最差。γ辐照时,水的存在能加剧C—N键的断裂,而7NHNO_3显著抑制C—N键断裂,OH自由基与C—N键断裂无关但与形成弱碱性交换基团有关。H原子可能影响C—N键断裂后两自由基的重合作用。γ辐照后,残渣主要成份为三甲胺盐并杂有二甲胺盐,二甲胺的产率与树脂的状态,所处的介质密切有关。在硝酸介质中,二甲胺的产率剧烈减低。

Using fast electron beam and 60Co y-ray, we have studied the radiation effect on polyphenylene sulfide the solubility, thermal property, crystallinity and structure change of the specimens during irradiations have been determined. It is shown that the crosslinking and degradation in PPS are simultaneously occured under the action of vadjation, The data calculated with the experimental results are as follows;Gx = 0.015, Gx = 0.050 in vacum; GS.0.067. GS=0.15 in atmosphere. The existence of oxygen may reduce the...

Using fast electron beam and 60Co y-ray, we have studied the radiation effect on polyphenylene sulfide the solubility, thermal property, crystallinity and structure change of the specimens during irradiations have been determined. It is shown that the crosslinking and degradation in PPS are simultaneously occured under the action of vadjation, The data calculated with the experimental results are as follows;Gx = 0.015, Gx = 0.050 in vacum; GS.0.067. GS=0.15 in atmosphere. The existence of oxygen may reduce the radiation stability of PPS, With increasing absorbed dose the heat stability somewhat rises, but the crys ta'ilinity 甪alls slightly. Alithough will be crossliflked and degraded simutaneously under the action of radiation its Gx and Gs however are very small. It is concluded that PPS is a radiation-resistance and heat-resistance polymeric material.

使用电子静电加速器快电子束和钴—60γ射线对耐热高分子聚苯硫醚的辐射效应进行了研究.测定了辐照前后试样的溶解性能、热性能、结晶度和结构的变化.明确了聚苯硫醚在高能辐射作用下交联和降解同时发生,并求得了在真空中辐照:G_(交联)=0.015,G_(断链)=0.030;在空气中辐照:G_(交联)=0.067,G_(断链)=0.15。氧的存在降低了聚苯硫醚的辐射稳定性。辐照后热稳定性有所提高,结晶度略有下降。尽管聚苯硫醚在辐射作用下,交联和降解同时发生,但其G值小,变化微弱。因此,可以认为聚苯硫醚是一种耐热耐辐射的高分子材料。

The radiation stability of various chemical bonds of organic phospha-tes and phosphonates were studied by using of low-temperature (77K) ESR measure-ment of radicals formed in gamma-irradiated samples at 77 K, and by using of MSspectral analysis and the partial charges of atoms calculated by iterative partial equli-zation of orbital electronegativity.

应用低温(77K)ESR测定了一些有机磷化合物在低温(77K)γ辐照所产生的自由基,并以质谱及原子部分电荷计算结果,讨论了磷酸酯及膦酸酯的键结构与辐射稳定性的关系。

 
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