查询词典 observations

Further picosecond PL studies on dendronized PFs show that the fluorene-based emission in dilute solution follows a single exponential decay, whereas those in thin film decayed in a multi-phase manner and the lifetime prolongs with the generation of dendronization. These observations are discussed in terms of dispersive transport happening between adjacent chains in film. The dispersive relaxation can be controlled by site isolation of bulky dendrons. Our results prove that dendronization is highly effective in controlling the inter-chain interactions of fluorene-based polymers.

不同代数树枝化聚芴的时间分辨荧光动力学研究结果表明，溶液状态下的发光为单指数衰减行为，而薄膜状态下的发光为多指数衰减行为，且其发光寿命随树枝化代数增加而增长，表明树枝化基团抑制了邻近的聚芴分子之间能量传递所致的激发态能量耗散。

They experimented with the effects of "artificially induced ionospheric depletions on very low frequency wave lengths, on equatorial plasma instabilities, and on low frequency radio astronomical observations over Roberval, Quebec, Kwajelein, in the Marshall Islands and Hobart, Tasmania" Advanced Space Research, Vo1.8, No.

他们实验&在近赤道离子不稳定区域以甚低频波长人工诱导电离层损耗，或者对魁北克罗伯威尔、马绍尔群岛桂哲林和塔斯马尼亚州霍巴特的低频无线电天文观测&（《高级太空研究》，卷1.8，1号，1988）。

Based on the comparison of the infrared spectra of polyamide homologues, on the changes in the infrared spectra of deuterated and iodine-treated samples of polycaprolactam, and also on the observations of the infrared dichroism of drawn film , the main absorption bands of polycaprolactam in the region 400 cm(-1)-1400cm-1, which are rather structure sensitive, have been assigned as follows: 1370 cm-1 band-VC-N;, 1265 cm-1 and 1205 cm-1 bands-; 1170 cm-1 band-VC-N; 730 cm-1 band-γCH2 of (CH2)n w...

根据对聚酰胺类高聚物红外光谱的类比和对聚酰胺6试样进行氘化和碘处理后红外光谱的改变，以及根据对拉伸过的聚酰胺6薄膜试样的偏振红外光谱的观察，我们对聚酰胺6红外光谱中400cm~(-1)—1400cm~(-1)之间的主要吸收带，作了如下解释：1370cm~(-1)吸收带为ν_；1265cm~(-1)和1205cm~(-1)吸收带为δ_+ν_；1170cm~(-1)吸收带为ν_；730cm~(-1)吸收带为γ_(CH_2)[当(CH_2)_n的n≥4时]；690cm~(-1)吸收带为δ_；580cm~(-1)吸收带亦为δ_。

Based on the comparison of the infrared spectra of polyamide homologues, on the changes in the infrared spectra of deuterated and iodine-treated samples of polycaprolactam, and also on the observations of the infrared dichroism of drawn film, the main absorption bands of polycaprolactam in the region 400 cm(-1)-1400cm-1, which are rather structure sensitive, have been assigned as follows: 1370 cm-1 band-VC-N;, 1265 cm-1 and 1205 cm-1 bands-; 1170 cm-1 band-VC-N; 730 cm-1 band-γCH2 of (CH2)n when n≥...

根据对聚酰胺类高聚物红外光谱的类比和对聚酰胺6试样进行氘化和碘处理后红外光谱的改变，以及根据对拉伸过的聚酰胺6薄膜试样的偏振红外光谱的观察，我们对聚酰胺6红外光谱中400cm~(-1)—1400cm~(-1)之间的主要吸收带，作了如下解释：1370cm~(-1)吸收带为ν_；1265cm~(-1)和1205cm~(-1)吸收带为δ_+ν_；1170cm~(-1)吸收带为ν_；730cm~(-1)吸收带为γ_(CH_2)[当(CH_2)_n的n≥4时]；690cm~(-1)吸收带为δ_；580cm~(-1)吸收带亦为δ_。

The POD algorithm based on pseudo range and carrier phase epoch-wise differency observations is estimated by the simulated data. Based on the calculation results under different weighting and different GPS ephemeris accuracy, the influence of these factors to the POD results and the selection of the weighting are discussed.

按照实现简洁、精度符合要求的优选标准，研究了利用伪距和载波相位历元差快速几何定轨方法，给出了仿真计算结果，分析了等各种因素对于最终结果的影响，讨论了权因子选取问题。

A few covalently bonded C〓 dimers and trimers in the adlayer were observed, which is consistent with the experimental observations.

表面上的C〓沉积层保持着局域有序的结构，观察到了共价键结合的二聚体和三聚体，与实验观察结果相符合。

These initial observations bring out an important disanalogy between the ontological dispute and paradigm verbal disputes.

这些观察带来重要的存有论争论和语言学争论的不相似。

The analysis of wind vectors from automatic surface observations shows that the mesoscale convergence line between the northerlies and the easterlies in lower troposphere is very important to the torrential rain , which determines the locations and timings of the torrential rain .

地面自动站以及加密站风场资料分析指出，低空偏北风与偏东风之间的中尺度辐合线对暴雨发生有重要作用，其出现的时间和位置决定了中尺度暴雨天气的发生时间和位置。

The results show that for the global scale characteristics of the vertically integrated vapor flux fields, which is described in terms of the rotational and divergent components of the stationary parts of the vapor field, both GOALS and FGCM--0 can reproduce the subtropical gyres in each hemisphere, the eastward water va- por transport of the mid--latitude westerlies, and the westward vapor transport of equatorial easterlies reasonably, though the precise positions of the gyres simulated by GOALS, and the intensities of the gyre centers in FGCM--0 do not match the observations accurately.

结果表明：(1)对垂直积分的水汽通量场的流函数及其对应的无辐散水汽通量矢量的模拟，三个耦合模式都能够较为合理地再现副热带大洋的涡旋结构、中纬度西风带的东向水汽输送、赤道东风带的西向水汽输送和东亚夏季风水汽输送等行星尺度特征及其季节变化，只是GOALS的涡旋位置、FGCM-0的涡旋中心强度，较之实际略有偏差。

However, the educts of the causality come from the theories, the observations of a long time and the data of the laboratory.

然而因果关系的推断大都来自理论及长时间之观察或实验之资料，且贝氏网路目前并不能控制潜在变项，须藉由专家知识来建立，这对社会科学的研究似乎缓不济急，故从资料中发现可能存在的潜在变项及因果关系便相对的重要。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。