查询词典 absorption

Among them, the absorption and emission wavelengths of cyanine dyes are mostly in the region of 600-800 nm, even beyond of 800 nm, so when they are used as probes, they can achieve the absence or reduction of background absorption, fluorescence and light scattering to improve the detection sensitivity.

其中花菁类染料的最大吸收波长大都在600～800 nm之间，有的甚至超过800 nm ，在制得探针用于生物样品的测定时可以有效避免生物体内自发荧光和散射光的干扰，极大的提高检测灵敏度。

The transmission, reflection and absorption spectra of the cyanine thin films were measured by the spectrophotometer and the reflection and the absorption of this cyanine thin film are high enough for optical recording at 780 nm.

通过染料薄膜光谱的分析，发现该染料薄膜在780 nm波长处有较大的吸收和较高的反射，多层膜的反射率达到75%，这符合橙皮书对反射率大于70%的要求。

The blend has following properties with 10 parts compatibilizer. The tensile intensity and elongation at break reach 35.66MPa and 23.58%, respectively, improving by 26.6% and 65.7% respectively compared with 0 part compatibilizer; The characteristic absorption peak of carbonyl at 1725～1800cm-1 disappear and the characteristic absorption peak of hydroxide at 3438～3440cm-1 increase induce the formation of hydrogen bond; The decalescence peak of blend increase by 2℃compared with the blend containing 0 part compatibilizer near 100℃; Lignin can be dispersed homogeneously to avoid reuniting of lignin particle.

2当共混材料中增容剂含量为10份时，共混材料表现出如下特性：拉伸强度和断裂伸长率分别达到35.66MPa及23.58%，较未加增容剂分别提高了26.6%和65.7%；从1725～1800cm-1范围内羰基特征吸收峰接近消失以及3438～3440cm-1范围内的羟基波数的增加暗示了共混材料中氢键缔合的发生；共混物在100℃附近的吸热峰较未加增容剂时降低了近2℃，相容性得到了提高；木质素在基体中进一步分散，结晶度增加，从而阻止木质素的团聚，增加了两相的相容性。

The urea easy to absorb moisture, when in the air relative humidity is bigger than the urea moisture absorption, it on absorption air in moisture content, but deliquescence.

尿素容易吸湿，当空气中的相对湿度大于尿素的吸湿点时，它就吸收空气中的水分而潮解。

Results show that deuterium absorption quantity and velocity decrease with helium content increase. Absorption velocity increases with initial pressure, and keeps constant at different initial composition of uranium deuteride.

结果表明，氦含量的增加会显著减少铀的吸氘量，降低铀的吸氘速率；增加混合气体的初始压力有利于铀吸氘速率的增加，氘化铀的初始氘量不影响铀的吸氘速率。

On the energy system, researches are mainly focused on the technology to use coke oven gas replaces steam: processing to use heating technology of diathermic oil replaces direct steam to ammonia stripping; technology to use direct fired absorption refrigerator replaces steam absorption refrigerator. technology on water-source heating pump of industrial circulation water; processing of circulation water with surface evaporating air cooler.

能源系统重点研究了焦炉煤气代替蒸汽的技术：导热油加热技术替代直接蒸汽蒸氨的工艺；直燃吸收式制冷机取代蒸汽吸收式制冷机；工业循环水水源热泵技术；循环水冷却采用表面蒸发空冷器。

The changes in phase structure and Curie temperature of the Sm2Fe17 compound after nitrogen absorption were studied by using X-ray diffraction, differential thermal/thermo-gravimetric analyzer and magnetic measurement. The results of X-ray diffraction showed that the diffraction peaks of the Sm2Fe17 compound shifted toward lower angle after nitrogen absorption, and the characteristic peaks of α-Fe were observed. This showed that the unit cell of Sm2Fe17 expanded, the compound was decomposed to a certain extent and the characteristic peaks of α-Fe appeared.

通过X-射线衍射、差热－热重联用仪以及磁测量等手段，研究了Sm2Fe17化合物吸氮后的相结构及居里温度的变化行为。X-射线衍射表明，吸氮后Sm2Fe17化合物的衍射峰向小角度方向偏移，并且出现了α-Fe的衍射峰，这说明吸氮后化合物的晶胞有所膨胀，并且化合物有一定的分解，产生了α-Fe。

Dimerization behavior of NiTSPc molecules was characterized by electronic absorption spectra, and changes in the absorption spectra were correlated with various stages of the sol-gel process.

对NiT SPc在此过程中电子吸收光谱的变化进行了系统的跟踪研究以考察其在溶胶凝胶体系中的二聚行为，并结合复合体系微化学环境的改变对其进行了自洽解释。

On the basis of the peak absorption values of the visible spectra of MB, the dimerization constants and the molar absorption coefficients of the monomer and the dimer of MB were calculated.

根据MB特征峰处的吸收光谱值，计算了MB的二聚平衡常数和相应单体、二聚体的摩尔消光系数。并用稳态荧光法和无外加探针的循环伏安法进一步论证了计算结果。

The experimental results show that the naphthalocyanine lead owns good optical limiting performance, and the ratio of effective excited-state absorption cross section to ground-state absorption cross section of naphthalocyanine lead is approximately to 15.21, which is larger than that of naphthalocyanine copper.

实验表明，萘酞菁铅具有良好的光限幅特性，它的有效激发态吸收截面与基态吸收截面的比值约为15.21，大于萘酞菁铜。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。