比较光谱

This paper expounds a methodology which employs spectral reflectance, geometric property and texture feature of a given target synergistically under the framework of feature-level information fusion.

利用多光谱遥感影像进行地物目标识别和提取已经有20多年的研究历史，取得了一定的研究成果，但是已有的地物目标识别提取方法所用到的地物目标的特征信息还比较单一，因此地物目标的识别率和提取效果还不够理想。

On the basis of analyzing the principles of interleaver filters of the interference of polarized light and planar lightwave circuit-type lattice structure, the equivalent mathematical representation of the spectral transmittance of the two kinds of interlearers is revealed. The equivalent relationships of the structural parameters of them are given.

在分析比较双折射晶体偏振光干涉型和平面波导环形格子结构型光交错复用滤波器原理的基础上，揭示了两者在光谱透射率的数学上的等效性，给出了两者结构参量之间的等效关系，可以直接利用经简单傅里叶级数对比法获得的晶体的结构参量对平面波导环形格子结构型光交错复用滤波器进行结构设计。

Our results first time indicate theoretically that ZnO's conduction is dependent more on Znic sublattice, rather than on the Oxygen sublattice, that is, interstitial Znic is the dominant acceptor, while Znic vacancy is the dominant donor.

从以上各种缺陷的计算结果，第一次比较全面地得到了ZnO中的缺陷能级相对于导带和价带的位置，以及它们的占据情况，是理解ZnO的导电性和光谱特性的有力工具。

The standard substitution method for the products was selected, and the possible errors were analyzed based on the obtained data.

总结了目前较为普遍的IRPFA产品光谱响应率标定方法，通过比较选择标准代替法对产品进行标定。

The result from visual analysis of the focus region in infrared thermogram by this method can also be compared with the tissue blood transmission state from near infrared spectroscopy and other methods.

采用这一方法对红外热图像病灶区域进行视觉分析所得到的结果，可以和采用近红外光谱等方法得到的组织血运状态进行对照比较，从而获得更为确切的诊断信息。

The fluorescence emission peak of inclusion complex shifted toward short waves and fluorescence intensities decreased in the presence of DNA. The quenching constant was calculated to be 6.12×10~4L mol~(-1) by Stern-Volmer method. The quenching mechanism was studied. The interaction ofβ-CD-TH inclusion complex and thionine with DNA were compared.

荧光光谱实验的结果是DNA对硫堇包合物的荧光峰有蓝移和猝灭效应，猝灭常数Ksv为6.12×10~4L mol~(-1)；探讨了其荧光猝灭机理，比较了硫堇包合物和游离态硫堇与DNA作用程度的大小。

Density functional theory calculations have been carried on the molecular knot at the RB3LYP/6-31G levels. Based on the optimized geometry, the vibrational spectra, natural bond orbital and orbital energy level analysis for C30 carbyne trefoil knot have been calculated at the same level, and compared with the cyclo-C30 carbyne molecule.

本文用密度泛函方法[DFT/RB3LYP/6-31G]对分子结构和光谱性质进行了研究，在优化构型的基础上通过自然键轨道方法和轨道能级研究了它的共轭性、成键情况和稳定性，并与平面型C30卡宾环分子进行了比较。

In this thesis, some novel fluoro-containing alkoxyl metallophthalocyanines asphotosensitizers for the treatment of cancer were designed and synthesized; some of theirproperties related to photosensitizer such as spectra properties, photooxidation ability, DNAphotocleaving ability, and photodamage on tumor cells in vitro were studied.

论文在比较了目前用于光动力作用光敏剂的优缺点的基础上，设计、合成了含氟烷氧基取代的金属酞菁衍生物，并对它们的光谱性能、光氧化性能、对DNA的光敏切断性能及对离体细胞的光动力损伤作用进行了研究。

Use tertiary system method to screen and optimize JLNCAO substrate, and use heat and dry under atmospheric pressure method, ignition residue method, The Casparian law of trace nitrogen, acid...

运用三级系统筛选法对菌草培养基进行筛选优化；用常压加热干燥法、灼烧法、微量凯氏定氮法、酸性洗涤剂法、氨基酸自动分析仪、原子荧光光谱和原子吸收光谱、乙酰丙酮法和热水提取多糖法分别对菌草香菇和木屑香菇的水分、灰分、蛋白质、纤维素、氨基酸、重金属、甲醛、香菇水溶性多糖等的含量进行比较研究。

The disadvantages that the secondary spectrum of reimaging catadioptric step zoom lens can not be corrected are overcome. Moreover, the black spots generated in image plane center are avoided and the structure is simple.

克服了二次成像折反射式步进变焦方式二级光谱不能校正的缺陷，并且杜绝了像面中心产生黑斑的可能，结构也比较简单。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。