1.Effects of ozone treatment on structure of surface functional groups,pore structure and Cr~(6+) adsorption capacity of(activated) carbon were evaluated. Boehm titration method and FT-IR techniques were used to characterize surface properties. (Liquid) nitrogen adsorption isotherm method was used to characterize pore structure.
研究了臭氧化处理对活性炭表面官能团结构、孔径结构和Cr6+吸附的影响,以Boemh滴定法和傅立叶红外光谱法(FT-IR)分析了活性炭的表面官能团结构,以低温液氮吸附法分析了活性炭的比表面积和孔径结构变化。
2.Intensity/phase transfer matrices are derived to characterize both cross phase modulation (XPM) and Stimulated Raman Scattering (SRS) in cascaded IM DD optical fiber transmission systems.
在具有级联光放大器的密集波分复用强度调制直接检测光纤系统中 ,导出了包含互相位调制和受激拉曼散射共同作用的强度 /相位矩阵表达式。
3.We also found that the ratio of relaxation time of the backbone CH to - CH2 - pro-tons can be used to characterize the dynamics of copolymer gels. The correlation between NMR relaxation time T1 and the mean pore radius of gels has been discussed .
聚合物主链质子T1与水质子的T1弛豫行为相反，随交联度加大主链运动受限加强而使其运动减慢，反映了聚合物主链的大分子运动特征，发现主链（-CH-）与（－CH2－）质子T1之比可表征凝胶内部分子链运动的强弱； 讨论了NMR弛豫与凝胶孔径结构的关联。
4.Objective To characterize the properties of human immunodeficiency virus-1-(HIV-1)specific cytotoxic T lymphocyte(CTL)responses,and to analyze the factors which may affect CTL responses before and after treatment with highly active antiretroviral therapy(HAART)in children with chronic HIV-1 infection.
目的观察高效抗逆转录病毒治疗(HAART)前后人类免疫缺陷病毒Ⅰ型(HIV-1)慢性感染儿童外周血HIV-1特异性CTL的反应特点,并分析其影响因素。
5.Pollution, violence, and poverty characterize many Third World cities.
污染、暴力和贫穷成了许多第三世界城市的特征。
6.Objective: To characterize the mutation in NADH?cytochrome b5 reductase gene in a Chinese hereditary methemoglobinemia patient, and elucidate the molecular basis of the disease.
目的：鉴定导致中国人遗传性高铁血红蛋白血症（RCM）的NADH－细胞色素b5还原酶（b5R）基因突变类型，探讨RCM发病的分子基础。
7.Objective: To prepare and characterize t he heavy metal reference mat erial of radix salvia planted in Zhongjiang, Sichuan province under the good agr icultural procedure (GAP).
目的 :用GAP质控下栽培的中药丹参作为重金属内控标准物 ,研究其制备和表征方法。
8.In this paper we characterize idempotent preserving linear operators of upper triangular matrix R-algebra ?_n(R)over commutative integral domain R. We also determine involution preserving linear operators of ?_n(R) and R -algebra antomorphisms of ?_n(R).
刻划了交换整环R上的n×n上三角矩阵的R-代数?_n(R)的保幂等的线性算子,由此又确定了?_n(R)的保对合的线性算子以及R-代数自同构。
9.By means of Fourier transform infrared spectrum (FTIR), hydrogen nuclear magnetic resonance spectrum (1HNMR), scanning electron microscope, gel penetration chromatographic analysis (GPC) and differential scanning calorimetry (DSC), characterize the performances of compounded products of poly (ethyl methacrylate) and poly (ethyl a-cyanoacrylates), determine degradation percent in different pH solution, and consequently study the relation between structure and performance and forecast its applied prospect.
通过傅里叶红外光谱(FTIR)、核磁共振氢谱(~1HNMR)、扫描电子显微镜、凝胶渗透色谱分析(GPC)，差示扫描量热法(DSC)等手段，表征了合成产物聚甲基丙烯酸乙酯和聚α-氰基丙烯酸乙酯的性质，测定了不同pH溶液中的降解百分率，从而研究了结构与性能之间的关系，并对其应用前景作出预示。
10.a state of eternal existence believed in some religions to characterize the afterlife.
宗教里认为来世会永远存在。
