光谱测定的

The chalcogenidometalates were characterized by elemental analysis, IR and X-ray crystallographic, and their thermal stability and optical properties were also investigated.

三、用元素分析、红外光谱、热重分析和单晶X射线衍射仪对合成的化合物进行了表征，测定了化合物的热稳定性和光学性质。

Objective To establish Atomic Fluorescence Spectrometer and Atomic Absobing Spectrophotometer method for the determination of As 、 Hg 、 Pb 、 Cd 、 Cu remain content in Flowers of Eriobotrya japonica Thunb.

目的：建立原子荧光光谱法和火焰原子吸收光谱法测定枇杷花中重金属残留量的方法并比较不同产地枇杷花中 As 、 Hg 、 Pb 、 Cd 、 Cu 等五种元素的含量。

The total amount of these three isomers could be measured when they were syn-chronously scanned at △λ=0 nm because they have homoplastic character of fluorescence spectrum and favourable additivity of fluorescence intensity in 350～500 nm.

而以λ=0nm进行同步扫描时，在350～500nm之间具有相似的荧光光谱特征，其荧光强度有良好的加和性，可以对三者进行总量测定。

In order to mensurate the certain amount of iron,I apply the spectrum-kurtosis technic on the basis of using orthophenanthroline spectroscopy,this method can avoid to be disturbed by oher ions and raise the accuracy.

在邻二氮菲光度法的基础上，引入光谱峰面积技术，对微量铁进行定量测定，该方法避免了有关离子的干扰，提高了准确度。对于面粉、奶粉和肝等食品样品进行分析，结果令人满意

These nanoparticles had unique advantages of high fluorescence,good photostability,and biocompatibility.

基于荧光光谱学原理建立的测定方法，由于灵敏度高、选择性好、适用范围宽及试剂用量少而得到广泛的应用[1~3]。

With the new synthesized fluorescence reagent, a novel fluorescence quenching method for determination of superoxide radical was developed by coupling the reaction of pyrogallic auto-oxidation reaction.

合成了一种新的荧光探针试剂香草醛缩苯胺，利用元素分析、红外光谱等手段对探针试剂进行结构表征；结合部苯三酚的自氧化作用，建立了一种荧光法测定超氧阴离子自由基O2

Four symmetrical and asymmetrical pyrylium - squarylium cyanine dyes were synthesized.

合成了四个对称及不对称含叔丁基吡喃鎓方酸的菁染料，通过光谱和元素分析确定其结构，测定了它们的紫外-可见吸收光谱、熔点和溶解性能。

The combustion temperatures of three high energy ignition compositions were measured by telemetry infrared spectrum spectroradiometer instrument.

选用3种配方的高能点火药，利用遥感红外光谱辐射计进行了燃烧温度的测定。

One mixed-ligand complex ofnH2Otpa=terephthalate, tripy=4'-(4methyoxyphenyl-2,2':6',2-terpyridine was synthesized and characterized by IR, elemental analysis and thermo-gravimetric analysis. The crystal structure of the product was established by single-crystal X-ray diffraction.

采用水热法合成了新的维链状锌的配位聚合物nH2O（tpa=对苯二甲酸，tripy=4'-（4-甲氧基苯基）－2，2'：6'，2-三联吡啶），通过红外光谱和元素分析对该配位聚合物进行了结构表征，用X射线单晶衍射测定了晶体结构。

The arsenic and lead released from glass, ceramics and stainless steel bowls are determined simultaneously with the AFS.

采用氢化物发生-原子荧光光谱法同时测定玻璃、陶瓷、不锈钢碗中的砷和铅的溶出量。

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。