斯温说,在太阳系以外,只有四个行星的大气层被光谱分光镜技术(一个化学分析技术)仔细观察和研究,还有32个曾被观察到。
Swain says just four extrasolar planets' atmospheres have been studied in detail with spectroscopy, a chemical analysis technique. Another 32 or so have been observed.
采用化学分析、金相检验、光谱分析等方法对20钢轴套的自由锻件表面产生的龟裂进行了分析。
The surface craze of 20 steel axle sleeve in free forging was analyzed by chemical , spectrum and miscrostructure analysis.
通过化学分析、红外光谱分析等手段确定了高固和低氯pae的结构。
The structure of PAE with high and low solids content was found out by chemical analysis and IR spectrum.
通过化学分析、扫描电镜(sem)及红外光谱(IR)等手段表征了处理前后剑麻纤维组分和结构的变化。
The structure and chemical composition of pretreated sisal fibers were investigated by chemical method, SEM and IR.
实验还利用扫描电镜、X—射线衍射、紫外光谱、红外光谱及XPS电化学分析能谱等现代分析手段进行了爆破法制浆的微观研究。
Simultaneously, the advanced analytic technology of SEM, X-ray diffraction spectrum, UV spectrum, IR spectrum as well as XPS were used to analyze the microcosmic of explosion pulp.
应用化学分析、X射线衍射、红外光谱、扫描电镜、差热热重等分析手段对高山寿山石进行了主矿物的研究。
Based on such analytical means as chemical analysis, XRD, IR, SEM and TG-DTA, the author carried on the research on the main mineral of Shoushan stone from Gaoshan district.
合成了一种新型星形聚醚环氧树脂,用以改善双酚a环氧体系的综合性能。用FTIR光谱和化学分析法,表征了其结构组成。
A new kind of starlike polyether epoxy resin was synthesized and its structure and composition were characterized by the FTIR spectrum and the chemical analysis.
采用X 射线荧光光谱中的基本参数法测定催化剂中硫元素含量, 测量结果与化学分析法一致。
The Sulfur in catalyst have measured by X-Ray fluorescence spectrometry with Fundamental parameter method. The results agree with those obtained by chemical method.
通过化学分析、红外光谱对其结构组成进行确定。
Their structures were identified by chemistry analysis and ir spectra.
通过化学分析、元素分析、IR光谱、TG - DTG及X射线粉末衍射分析等对其进行了物理化学表征。
It was characterized by IR spectra, TG-DTG, X-ray powder diffraction, as well as chemical and elemental analyses.
采用化学分析、元素分析、红外光谱、核磁共振及质谱等方法对产品进行了表征。
The structure of the a-long-chain alkylbetaines was characterized by chemical analysis, element analysis, infrared spectrum, nuclear magnetic resonance and mass spectrometry.
实验结果表明:近红外光谱分析方法的预测值与化学分析值有显著的相关性,相关系数为0.9783。
The results showed that the predicted data of the near-infrared analysis method is obviously correlate with the chemical analysis data. The correlation quotient is (0.9783. )
综述了多糖类的常规检测和利用分子光谱法、色谱分析法、电化学分析法和生物传感器分析法对其进行分析测定的研究进展。
Based on analysis of factors and effect, the method to evaluate the uncertainty of measurement by chromatography for environmental samples was discussed.
上述结果已为反图红外光谱、紫外光谱、核磁共振谱及化学分析所证实。
These inferences have been derived from the data obtained from infra-red absorption spectrum,...
上述结果已为反图红外光谱、紫外光谱、核磁共振谱及化学分析所证实。
These inferences have been derived from the data obtained from infra-red absorption spectrum,...
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