波谱

Based on the reflection spectral characteristic of the land surface feature in Duolun area, by using multispectral satellite image data and adopting image processing of false color composite and ratio false color composite, with support of Geographic Information System, the space disbribution of the land desertification is interpreted and measured in this paper.

在内蒙古多伦县土地沙化现状的调查中，利用多波段卫星图象数据，根据多伦地区各类地物的波谱特征，采用了假彩色合成及比值假彩色合成等遥感图象处理方法，在地理信息系统技术的支持下，对多伦地区沙化土地的空间分布和面积进行了详细的解译和测算。

Proton and C-13 NMR spectroscopy analysis assessed the carbon aromaticity of the supercriticaly extracted bitumens to be 0.32-0.34, it appears in fair agreement with the aromaticity determined directly by using solid state C-13 NMR techniques.

然后，分别用核磁共振波谱法测定它们的芳碳率，结果分别为0.30和0.34。将超临界流体抽提沥青分离为族组分，用核磁共振与X-射线衍射法分析测定它们芳碳部分的主要结构参数及其聚集态。

Another refinement of our ladder is the fact that we have observed the Cepheids in the near-infrared parts of the electromagnetic spectrum where these variable stars are better distance indicators than at optical wavelengths.

我们这些距离台阶的另一个改进是：我们已经观测了造父变星的近红外波谱，这些变星在红外电磁波段的量天尺性能比可见光波段更好。

A simple model for fused tapered couplers is used to analyse the wavelengthspectrum of couplers in this paper.

用简化模型分析了单模光纤横向耦合的波谱特性。

According to the empirical rules of influence of the chemical bond on spectrum, electron spectroscopy and Mossbauer spectroscopy, the chemical environmental factor was further defined with the covalency and polarizability of a bond.

根据光谱、电子能谱和穆斯堡尔谱学中化学键对谱线影响的经验规律，进一步利用共价性和极化率定义了化学环境因子这一概念，并发现它能够有效地描述波谱学中化学位移的变化趋势。

Chinensis by the methods of column chromatography (normal and reversed phase silica gel, Sephadex LH-20), preparative TLC and HPLC. On the basis of spectroscopic methods including IR, ESI-MS, 1-D and 2-D NMR, forty eight of them were identified as seventeen flavonoids, seventeen tritepenoids, one cumarin, five steroids and some benzene derivative etc.

中药射干为射干植物的干燥根茎，从中共分离出53个化合物，通过红外、质谱及核磁共振等波谱方法鉴定了包括12个新化合物在内的48个，结构类型分别属于iridal型三萜及其新颖的二聚体、异黄酮、黄酮及黄酮醇、香豆素、甾体、芳香酸和脂肪酸及其甘油酯等。

Explosion ; wave spectrum difference ; Lanzhou of China

爆破；波谱差异；中国兰州

The photocatalytic processes and the production of intermediates and by-products are examined by means of UV-vis spectra, proton-NMR profile, trapping ESR technique, GS-MS, Ion Chromatography,ξ-potential measurements, peroxide measurements and chemical oxygen demand measurements, etc. Some surprising fruitions are acquired for the first time.

借助紫外可见波谱、核磁、自旋捕捉ESR、色质联用、离子色谱、ξ-电位仪、过氧化物以及化学需氧量的测量等技术，对光催化过程及中间产物和付产物的生成进行了检测，获得了一些显著的成果。

Describes a numerical model which is applicable in the study of wide beam HF ground wave radar's signal processing.

根据高频无线电波海洋回波谱理论，结合高频地波雷达单站探测的实际应用，建立了一个适合于研究高频地波雷达信号处理的海面回波多普勒谱的数值模型。

The composition and fluorescence property of 2,2,2-amine tri acetyl-benzylamine with ligand of tripod type were studied through Molar conductivity, infrared spectrum, NMR, elemental analysis, thermal analysis, and UTA-TG analysis.

方法］通过摩尔电导率、红外光谱、核磁共振波谱、元素分析、差热－热重分析，研究三脚架型配体2，2，2-胺三乙酰－苄胺及其稀土配合物的组成、荧光性质。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。