谱性

Over 98% of purified DOC-1R proteins was finally got for structural and functional research. Mass Spectrum identified that the exact molecular weight of DOC-1R is 14091.23 Da; Dynamic light scattering assay showed that its homogenesis was over 99.0%.

质谱分子量测定显示DOC-1R的分子量为14091.23 Da，与理论分子量基本一致；动态光散射实验显示蛋白均一性高达99.0％，可用于晶体生长；采用悬滴气相扩散法筛选，在多个条件下得到了DOC-1R的微晶。

This technique has good properties with security, imperceptibility and high hiding capacity of the hidden information.

4基于混沌序列的图像信息隐藏技术；将需要隐藏传送的图像以混沌噪声的形式加入到载体图像的时空变换谱中，接收者根据混沌序列的相关特性利用相应的混沌噪声来提取所隐藏的图像，该技术具有良好的信息安全性、不可觉察性和较高的隐藏容量。

3Glass capillary gas chromatography is used in the analysis of n-paraffin distribution of the diesel,and according to the results of the cold filter plugging point test ,it is conclude that the impressibility of DFI to fuel is not only connected with the alkyl side chain and the polarity group of medicine oneself ,but also the n -paraffin distribution of the diesel ,the component ,technology and directions for producing of fuel and so on.

该方法具有合成线路短、产率高、成本低的特点；(3)通过使用毛细管气相色谱法测定柴油中直链烷烃的组成与含量，及柴油冷滤点(Cold filter plugging point 简称CFPP)的测定得出结论，DFI 对柴油的感受性不仅与药剂本身的烷基侧链、极性基团有关，也与柴油的直链烷烃的含量、馏分组成、加工工艺等有关。

H. Meckl et al〔166〕—〔169〕, we propose an approximate inverse dynamics method featuring spectrum analysis and then discuss the restrictions.

2在柔性机械臂逆动力学方面，针对带一个转动铰的简单柔性机械臂，在Meckl等人工作的基础上提出了基于谱分析的构造性的近似逆动力学方法，并分析了应用限制条件。

This method which avoids formation of ion-pair compounds in RP-HPLC and derivatization procedure in the detection, is quick, high sensitive and reproducible.

方法避免了传统反相高效液相色谱分析方法中离子对化合物的形成，简化了检测过程中衍生化的步骤，测定速度快、灵敏度高且重现性好。

The theory of kinetic method used in the chiral quantification is introduced and the improvement and applications of it are reviewed.

本文对质谱动力学方法用于手性化合物对映体过量值测定的原理、改进方法、应用领域进行了评述。

Based on weekly mean OISST, pentad averaged OLR and daily NCEP/NCAR reanalysis data, the intraseasonal variability of SST in the SCS is examined by using lag correlation analysis and composite analysis, respectively.

本文使用1982-1997年OISST周平均格点资料、OLR侯平均资料以及NCEP／NCAR再分析日平均资料集中的海表热通量、850 hPa风场以及海平面气压场等资料，采用不同的谱分析方法确认了南海全区SST季节内变化（30-90天）的存在性，并通过相关分析以及位相合成技术，分别研究了夏季风期间与冬季风期间南海SST季节内变化的基本特征和形成机制。

Levorotatory and dextrorotatory enantiomers of cetirizine and other nine compounds were synthesized and were identified by MS, IR, 1H-NMR and elemental analysis .

通过化学拆分得到单一手性的4-氯-α-苯基苯甲胺，然后由它出发合成出左西替立嗪和其它九个化合物的单一对映体，并经元素分析、红外、质谱、核磁等鉴定。

On the basis of the Young-Helmholtz theory, a method for assessing degree of metamerism of colored objects is developed by using the concept of average Hamming distance in terms of the differences of spectral visual response.

根据杨赫姆霍尔兹对立学说，运用模糊性度量中平均Hamming距离的概念，提出了以光谱视觉响应差异为基础的同色异谱程度评价方法，分析结果表明该评价方法优于CIE的评价方法。

The mob ile phase is a mixture of methyl alcohol and ethyl acetate and water(40:20:40,v/ v).

对萃取条件和萃取百分率，色谱分离条件进行了研究，讨论了测定的灵敏度、选择性和重现性。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！