They were characterized by elemental analysis and IR.
用元素分析，红外光谱对它们进行了表征。
It was characterized by the FTIR and elemental analysis.
利用FTIR和元素分析对其进行表征。
Its structure was identified by MS and elemental analysis.
通过质谱(MS)和元素分析确认了其结构。
Its structure is confirmed by ir, NMR, and elemental analysis.
结构经元素分析，核磁共振，红外光谱证明。
The product was characterized by 1hnmr and elemental analysis.
采用1hnmr、元素分析对产物进行了结构表征。
All of the compounds were confirmed by elemental analysis and ir.
这些新化合物均经元素分析和红外光谱鉴定。
Its structure was characterized by ESI-MS spectra and elemental analysis.
利用ESI - MS及元素分析对其结构进行表征。
The complex has been characterized by IR spectral and elemental analysis.
对其进行了红外和元素分析研究。
The products were characterized by elemental analysis, IR and 1h NMR spectra.
通过元素分析、红外光谱和1h NMR对产物进行了表征。
The target product was identified by melting point, elemental analysis and IR.
目标产品经熔点测定、元素分析和红外光谱表征。
Their structures have been confirmed by elemental analysis, IR, 1H NMR and MS.
结构经元素分析、红外光谱、核磁共振氢谱和质谱确证。
Their structures were confirmed by elemental analysis and the infrared spectrum.
经元素分析、红外光谱对其结构进行了表征。
The structures of Glucovanillin were identified by elemental analysis, IR and NMR.
产物结构经元素分析、红外光谱、核磁共振谱所证实。
The structures of these compounds are identified by IR, HNMR and elemental analysis.
通过红外光谱、核磁共振氢谱、元素分析确证了化合物的结构。
All synthetic compounds were characterized by their M. p, ir and elemental analysis.
所合成的化合物，经过熔点测定，元素分析和红外光谱分析确证了它们的结构。
The stationary phase was characterized by elemental analysis, FTIR and thermoanalysis.
采用元素分析、红外光谱及热分析等手段对固定相进行表征。
The prepared sample was identified using infrared spectroscopy and elemental analysis.
红外光谱和元素分析表明得到的产物为目标产物。
The conversion of functional groups were confirmed by IR-spectra and elemental analysis.
红外光谱、元素分析证实了合成过程中树脂功能基的转化。
Results Aripiprazole was confirmed by elemental analysis and IR. The total yield was 81%.
结果阿立哌唑总收率为81%，经元素分析、红外光谱确证化学结构正确。
The method of elemental analysis, IR, SEM and NMR was employed to characterize the elastomer.
用元素分析、红外、核磁、扫描电镜等手段对此种热塑弹性体进行了表征。
The structure of sucralose was also identified by the methods of IR, MS, NMR and elemental analysis.
并用红外光谱、质谱、核磁共振、元素分析等方法对三氯蔗糖的结构进行了鉴定。
By IR, elemental analysis and single crystal X-ray diffraction the complexes (1-4) were characterized.
通过红外、元素分析和单晶x -射线衍射对配合物(1 - 4)进行了表征。
RESULTS the overall yield was 95.4%, the title compound was characterized by IR and elemental analysis.
结果总收率达95.4%，目标化合物的结构经红外光谱和元素分析确证。
The prediction correlation of residues hydrogen content was given in the absence of elemental analysis.
并给出了在缺乏元素分析的条件下，渣油氢含量的预测式。
Instrumental analysis can be divided into elemental analysis and compound and molecule specific analysis.
仪器分析可分为元素分析和化合物及分子分析。
In addition, IR and elemental analysis were used to analyze the structure of products produced in every step.
此外，还通过红外、元素分析等现代分析手段对各步反应的产物进行了结构表征及分析。
The product has been characterized in detail by elemental analysis, infrared, UV, NMR spectra, DSC and TG etc.
其产品的特性用元素分析，红外和紫外光谱，NMR,DSC,TG等进行了详细地表征。
The combustion process is a very important and more difficult step to handle in the organic elemental analysis.
燃烧过程是有机元素分析中十分重要而又较难把握的一个步骤。
The crystal structure of the compound has been determined by elemental analysis and X-ray single-crystal diffraction.
并通过元素分析及X-射线单晶衍射法，测定了该化合物的晶体结构。
The elemental analysis results, the infrared and nuclear magnetic resonance spectraare consistent with the structure.
产物的结构经红外光谱、核磁共振谱、元素分析确证。
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