Due to the effect of feeding error on antenna's radiation performances, which causes the degradation of the sidelobe level, the pointing accuracy and the anti-jamming capability of phased arrays. 由于馈电误差的影响,相控阵天线的指向精度降低,旁瓣电平恶化,抗干扰能力下降。
Based on this, a liquid nitrogen cooled screen device is developed to control the radiation degradation of deuterium lamp. 在此基础上,研制了液氮制冷屏装置来抑制氘灯衰减。
Radiation degradation characteristics of deuterium lamp with MgF_2 window in vacuum environment 氟化镁窗口氘灯的真空辐射衰减特性
Radiation induced degradation and mineralization of an azo dye Congo red in aqueous solution 偶氮类染料刚果红水溶液的辐射降解
In this article, the application of radiation processing technology in chitosan degradation was particularly introduced. 对辐射加工技术在壳聚糖降解中的应用及其机理进行了简单综述。
Qualitative and quantitative analysis of light hydrocarbons produced by radiation degradation of N, N-dimethyl hydroxylamine N,N-二甲基羟胺辐解产生的气态烃类的定性和定量分析
A New Viscose Rayon Process to Reduce the Wastes from the Production: Radiation Degradation of Cellulose 降低粘胶生产中废弃物的新工艺:纤维素的辐射降解
Radiation degradation kinetics revealed that the degradation of polycarbonate under gamma irradiation is random degradation. 动力学分析表明其辐射降解属于无规降解类型。间接证明了聚碳酸酯在0-12MGy剂量范围内辐射降解机理占优势。
Radiation degradation of chitosan 甲壳胺的辐射降解
Study on Radiation Degradation and Technology of Methyl Cellulose 甲基纤维素辐射降解及工艺研究
Results showed that application of microwave radiation can improve the degradation rate and the removal rate of phenol as well as the removal rate of TOC in the heterogeneous Fenton-like reaction. 反应活化能估算结果表明,对类Fenton试剂降解苯酚的反应体系施加微波,可降低反应活化能和提高反应速率,微波辐射的功率越大,苯酚转化速率和TOC降解速率就越快。
This paper reports the qualitative and quantitative analysis of light hydrocarbons produced by radiation degradation of N, N-dimethyl hydroxylamine. These analyses were performed on the gas chromatograph, in which porous layer open tubular column coated with aluminum oxide and flame-ionization detector are used. 报道了用三氧化二铝毛细柱与氢火焰离子化检测器联用的气相色谱法,定性定量分析了N,N-二甲基羟胺水溶液辐解产生的气态烃类。
The study on the light hydrocarbons generated by radiation degradation of N, N-diethylhydroxylamine ( DEHA) is reported. 研究了N,N-二乙基羟胺(DEHA)水溶液辐解产生的气态烃。
The results show that the degradation efficiency of DBS increases with the accretion of radiation dose of gamma rays and the degradation reaction of DBS seems following first-order kinetic. 结果表明,丁硫醚的去除率随辐射剂量的增加而上升,去除反应符合一级动力学;
Study on radiation degradation of hydroxylamine derivatives ⅰ. gas chromatographic analysis of gas hydrocarbons produced by radiation degradation of hydroxylamine derivatives 羟胺衍生物的辐解研究Ⅰ.羟胺衍生物辐解产物中气态烃类的气相色谱分析
Recent Advances in Radiation Degradation of Cotton Cellulose 辐射降解棉纤维素的研究现状
Radiation induced degradation of sodium alginate 海藻酸钠的电离辐射降解研究
Aftereffect in the Radiation Degradation of Cotton Cellulose 棉纤维素辐射降解的后效应
Mechanism and method of changing properties of radiation degradation polymer 裂解型聚合物的辐射改性机理及方法
The foggy scenery degradation model based on the radiation transmission equation can describe the degradation mechanism properly and we refine a final simple restoration model by some rational assumptions. 根据辐射传输方程建立的雾天景物成像的退化模型能够很好地描述雾天景物成像退化的机理,文中对此模型进行了合理化简并导出最终的复原模型。
Nitrogen had some inhibiting effect on radiation degradation of fluororubber F2311; 氮气的存在对F2311的辐射降解反应具有一定的抑制作用;
Scatter radiation is a major reason of image degradation in digital radiography, the degradation can be characterized by a loss of contrast and an increase in noise. 在数字X线摄影中,散射线造成了图像对比度的损失、噪声的增加,是使图像质量恶化的主要原因。
Study on radiation degradation of Chitosan 壳聚糖电离辐射降解的研究
The results showed that UV radiation mainly led to crystal destruction and molecular degradation on the surface and recrystallization on the interior part of the sample. 结果表明,紫外光的照射主要导致聚甲醛试样表面层发生晶体破坏和无定形部分分子链降解,内层则主要发生非晶区重整结晶;
Spectrophotometric Determination of carbonyl compounds as γ-radiation degradation products in the extraction system of tbp-kerosene-hno_3-uo_2 ( no_3)_2 TBP-煤油-HNO3-UO2(NO3)2萃取体系γ辐解产物中羰基的比色测定
Investigation of 172 nm Radiation for Degradation of Toxic Gas Carbon Disulfide 172nm辐射降解恶臭气体二硫化碳的研究
The results show that, the degradation of fenumgreek gum by acid assisted with microwave radiation is a novel method, and the degradation rate is higher than that by water bathe significantly. 结果表明:微波辅助酸降解法是快速降解香豆胶的新方法,降解速度显著高于水浴酸降解法。
They possess excellent optical properties, but under the exposure of space radiation environment, their optical degradation will easily occur. 但在空间辐射环境作用下,其光学性能易发生退化。
The atmospheric suspended particles have an impact on the ray radiation and make atmospheric visibility degradation. The suspended particles do much harm to the visual air quality, the urban landscape and the human health. 大气悬浮颗粒物对光辐射产生影响,使大气能见度下降,对视觉空气质量、城市景观和人体健康造成诸多危害。