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特征吸收峰
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  “特征吸收峰”译为未确定词的双语例句
    There were two characteristicabsorption peaks of tea green pigment at 430nm and 663nm.
    茶绿色素在430nm 和663nm 处有两个特征吸收峰。 茶绿色素对热较为稳定;
短句来源
    The correlation and RMSEP of themodel using selected 11 wavelengths to reduce the calculation of modeling is 0.95and 0.68%, respectively.
    为了减少建模计算工作量,利用蛋白质在近红外光谱区的11个特征吸收峰进行了波长优选,建模的相关系数为0.95,RMSEP为0.68%。
短句来源
    the IR spectrum showed characteristic absorptions of carbohydrate patterns between 500 and 4000 cm-1,β-configuration andα-configuration were also represented by the absorption at 928 cm-1 and 858 cm-1;
    在500-4000cm-1区域内具有糖类物质的特征吸收峰,在928cm-1和858cm-1附近处有β--糖苷键和α-糖苷键的特征吸收峰;
短句来源
    The main ingredients of PCE-C were carbohydrates (69.82%) and proteins (17.53%) . The result of UV absorption showed that PCE-C had the typical absorption peak of sugars, and had no absorption peak of proteins (280nm) or nucleic acids (260nm) .
    南瓜多糖主要由糖(69.82%)和蛋白质(17.53%)组成,UV吸收显示一个典型的糖吸收峰,而无核酸(260nm)和蛋白质(280nm)的特征吸收峰
短句来源
    IR demonstrates the shielding of the hydroxy group, the new structure formation between modified starch, plasticizer and reinforcing agent and the existence of a typical absorption peak of the reinforcing agent. X-ray diffractiongram shows that the crystallinity of the degradable tablets decreases sharply with the formation of more amorphous structure which indicates an increase in the hydrophobic property of the degradable tablets.
    原淀粉、淀粉基降解片材以及淀粉基共混挤出物的红外图谱和X-射线衍射图谱分别表明:经改性,原淀粉的羟基被屏蔽,在红外图谱上淀粉基的降解片材和淀粉基共混挤出物的羟基特征吸收峰较原淀粉都有不同程度的减弱变窄,同时增塑剂、增强剂分子同淀粉分子缔合形成新的结构,红外图谱中亦显示了其特征吸收峰
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  characteristic peaks
The main characteristic peaks in these transient absorption spectra were attributed and the growth-decay trends of several transient species were investigated.
      
The ETA curves exhibit characteristic peaks corresponding to regeneration and annealing of both natural structural defects and those appearing after the external treatment of the sample.
      
It is shown that the significant decrease in the reflectance in the spectral range from 200 to 900 nm and the red shift of the characteristic peaks in the reflection spectra are related to the sizes of nanocrystallites in the films formed.
      
XPS analysis revealed that along with increasing in coating amount, the strength of the characteristic peaks of Au increased, and the Auger peaks of Fe weakened and even disappeared.
      
The characteristic peaks of IR from the C=O are about 1713.9, 1712.2 and 1710.8 cm-1, respectively.
      
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1. The vitamin B_(12) content of the Mollusk (Arca subcrenata) and its extr-action methods have been studied. The results obtained indicate that the vitaminB_(12) content of the fresh meat of Arca subcrenata is 65~85r/100g., of its brothobtained during processing, 0.20~0.30r/ml. and of the extractive of its meat0. 25~0. 40r/ml. 2. The vitamin B_(12) extracted from Arca subcrenata consists of needle-shapercrystals of dark red color. Its three absorption peaks are found at 278.3m~μ,361.0 m~μ, and 550.0 m~μ. The...

1. The vitamin B_(12) content of the Mollusk (Arca subcrenata) and its extr-action methods have been studied. The results obtained indicate that the vitaminB_(12) content of the fresh meat of Arca subcrenata is 65~85r/100g., of its brothobtained during processing, 0.20~0.30r/ml. and of the extractive of its meat0. 25~0. 40r/ml. 2. The vitamin B_(12) extracted from Arca subcrenata consists of needle-shapercrystals of dark red color. Its three absorption peaks are found at 278.3m~μ,361.0 m~μ, and 550.0 m~μ. The ratios of absorbency are: A361/A278=1.72, A361/A550=3.25 It was confirmed that the characteristics of vitamin B_(12) crystals extractedfrom Arca subcrenata well agree with the descriptions in Chinese PharmaceuticalCode (1963).

1.本文研究了毛蚶维生素B_(12)的含量及其提炼方法。试验证明:鲜毛蚶肉每百克含B_(12)65~85微克,在加工生产中蒸煮的蚶汤合B_(12)0.20~0.30微克/毫升,蚶肉浸出液含B_(12)0.25~0.40微克/毫升。 2. 从毛蚶中提取的B_(12)为暗红色针状结晶,其三个特征吸收峰分别位于278.3毫微米、361.0毫微米和550.0毫微米,峰值光密度之比为: A361/A278=1.72, A361/A550=3.25 表明毛蚶B_(12)结晶特性符合《中华人民共和国药典》的规定(1963年)。

The mechanical properties and dyeing behaviour of vinylon treated with DMDHEU were examined, and its chemical structural, fine structural and surface structural changes were investigated with by infra-red absorption spectra, X-ray diffraction and electro microscope. Vinylon fabric treated with DMDHEU increased the crease recovery and lowered the tensile strength, tearing strength, elongation percentage and water imbibition. DMDHEU-treated vinylon appeared a characteristic absorption peak at 1,700 cm~(-1) in...

The mechanical properties and dyeing behaviour of vinylon treated with DMDHEU were examined, and its chemical structural, fine structural and surface structural changes were investigated with by infra-red absorption spectra, X-ray diffraction and electro microscope. Vinylon fabric treated with DMDHEU increased the crease recovery and lowered the tensile strength, tearing strength, elongation percentage and water imbibition. DMDHEU-treated vinylon appeared a characteristic absorption peak at 1,700 cm~(-1) in infra-red spectra, indicating chemical structure modification. It is obvious that the chemical reaction between vinylon and DMDHEU took place. In addtion, treated vinylon had higher dye uptake for direct and neutral dyes than untreated vinylon, because the surface structure changed in the present of magnesium chloride cured at high temperature, many fine fissures and holes were produced.

本文作者对维纶经DMDHEU整理后的物理机械性能和染色性能进行了测定,并通过红外吸收光谱、X-射线衍射和电子显微镜分别研究整理后纤维的化学结构、微结构和表面结构的变化.经DMDHEU整理后,织物的折皱恢复性提高,断裂强度、撕破强度、延伸率和吸水性下降.处理后的维纶在红外光谱中1700厘米~(-1)处出现特征吸收峰,表示化学结构的改变.这说明维纶和DMDHEU之间发生了化学反应.此外,经处理后的维纶对直接染料和中性染料的上染率比未处理的高.这是由于在氯化镁存在下,经高温焙烘后维纶表面结构改变,形成许多细小空穴和裂缝.

1,2-Diamino-3,5-dibromobenzene is used for thecolorimetric determination of selenium in artificially cultured seleniumyeast.It reacts with selenium(IV)ion to produce dibromopiaselenole,which has a characteristic absorption peak at 365nm.This method is ofhigher sensitivity and selectivity,and with practical detection limitof 3×10~(-8)g.The determinated results for food samples are carefullychecked and compared with gas chromatography and fluorometry,and no significant difference exists among them.

1,2-二氨基-3,5-二溴代苯(DBDA)在酸性介质中与硒(IV)生成二溴代苤硒脑,在365nm有特征吸收峰,其A365nm值与硒(Ⅳ)浓度间存在良好的直线回归关系。此法实测最低浓度为0.01μg/ml,实测最低量为0.3μg,变异系数为2.5~4.7%.与气相色谱-电子捕获及荧光光度法测定的结果一致。本法简便、快速、选择性强、灵敏度和准确度均高。

 
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