光谱测定的

During solid-state polycondensation of crystaHine nylon 66 salt(Hexamethylenediam-monium adipate) the mechanism of reaction,crystalline morphologies and the relations of thermal behaviour to the thermal history for the nasent nylon 66 have been studied by the use of a number of techniques including determination of conversion rate and of intrinsic viscosities,IR,polarized light microscopy,SEM and DSC.

采用测定转化率和特性粘数、红外光谱、偏光显微镜、扫描电镜和DSC等方法，研究了结晶尼龙66盐固态缩聚过程的反应历程、初生态尼龙66的结晶形态及其热行为与热历史的关系。

Analyses of spectral structure and surface tension of solutions suggest that the hydrophobic hardrocarbon chain of surfactants was partly included in the apolar cavity of β-CD and the part with the polar head group of hydrocarbon chain located outside the cavity coiled over the top of β-CD, providing an effective protection for RTP.

组成测定表明溶液中形成了稳定的1：1：1/1-BrN：β-CD：AS三元包合物。光谱和溶液表面张力分析显示阴离子表面活性剂的疏水性烷基链有一部分被包合在β-CD空腔内，未被包合部分则绕曲在β-CD腔口处从而为空腔内1-BrN分子的磷光提供了有效保护。

Methods The various trace elements in marten' s heart and chicken's heart were measured by inductively coupled plasma atomic emission spectroscopyafter they were treated with concentrated nitric acid.

应用电感耦合等离子体原子发射光谱法测定经消化后的貂心和鸡心中的微量元素。

Methods: Ef- fects of single factor such as pH, carbon source, nitrogen source, glucose concentration and trace dements on the lipid- producing capability the strain were researched, and based on these conducted orthogonal test.

探讨了单因素如：pH、碳源、氮源、葡萄糖浓度、金属微量元素等对其产脂能力的影响，并进行了正交试验；脂肪测定方法研究，用对比分析法，并对其中的方法加以改进，采用光谱扫描以确定酵母脂肪最大吸收波长。

The main results in this thesis were as follows: 1 Proposed a simple and sensitive method for the determination of total arsenic in sinters by hydride generation atomic fluorescence spectrometry.

本论文的各项实验内容及结果摘要如下：1 采用氢化物发生原子荧光光谱法测定烧结物中的总砷含量。

The trace elements for pottery sherds excavated from Zhangsidun Site in Anqing City were tested and analyzed by using ICP.

采用ICP等离子体发射光谱方法，测试分析了安徽张四墩遗址和薛家岗遗址出土陶器的微量元素，并运用热膨胀法测定了低温古陶器的烧成温度。

The content of assemble alkaloids of huperzine in 10 different geographical populations of Huperzia serrata and Phlegmariurus cryptomerianus from Zhejiang and Fujian Province was determined,and their phenetic differentiation in chemical composition was studied using the method of dedentred correspondence analysis based on their UV spectra.

对来自浙江、福建境内石杉科植物蛇足石杉、柳叶马尾杉10个不同地理居群的石杉总碱含量进行了测定，并基于紫外光谱，对它们的表型分化进行了除趋势对应分析。

Zinc sulfide nanoparticles with different sizes were synthesized by a unique precipitate dissolution method using zinc alkyl xanthate and sodium sulfide as zinc and sulfur sources, respectively. The samples synthesized were characterized by low temperature nitrogen adsorption and desorption, Transmission Electron Microscope, powder X-ray Diffraction and Fourier Transform Infrared Spectroscopy techniques.

以烷基黄原酸锌和硫化钠分别为锌源和硫源，采用烷基黄原酸锌沉淀溶解法制备了粒度可调、粒径分布比较窄的面心硫化锌纳米粒子，利用比表面积测定、透射电镜、粉末X射线衍射、傅里叶转换红外光谱等方法对合成的硫化锌纳米粒子进行了表征。

A kind of imitated chicken-blood stone is studied by XRF,XRD,FTIR and polarizing microscope in this paper.

利用X射线荧光光谱仪、X射线衍射仪、红外光谱以及偏光显微镜等实验技术对近期市场上一种常见的仿鸡血石的矿物组成、内部结构等特征进行了研究，对其宝石学性质进行了测定。

The main contents are as follow: 1. Calixarenes and their derivatives were synthesized. Their structures were characterized by infared spectroscopy, thermal analysis and mass spectrometry. Their purities were detected by HPLC with more than 90%.

合成杯芳烃母体及其衍生物，采用红外光谱、热分析和质谱法对其进行表征，用高效液相色谱的面积归一化法测定其纯度，得到纯度在90％以上的对叔丁基杯[4、6、8]芳烃和杯[4、6、8]芳烃。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。