光中的颜色仍然未被吸收,例如5毫微米的金粒子呈红色,而银离子呈黄色。
The colour comes from the light that remains unabsorbed. Five-nanometre gold particles, for example, look red, and silver ones look yellow.
这张照片并非肉眼所见的颜色,而是离子化氢呈蓝色、氧呈绿色、氮呈红色的画面。
This false color image combines emission from ionized hydrogen in blue, oxygen in green, and nitrogen in red.
我们这里所说的太阳表面其他部分,已经被用蓝色或者绿色等伪颜色标记,它们同样是等离子体,其温度大概在一百万度左右。
The rest of the sun's surface depicted here, which has been given false colouring in blues and greens, is made up of plasma that is around one million degrees Celsius.
这所大学詹姆士·沃持纳米制作中心制作的、有图案的铝胶片上的等离子共振给卡片上了颜色。
The colours were produced by a process known as plasmon resonance in a patterned aluminium film made in the university's James Watt Nanofabrication Centre.
然后将此水样放入光电比色座内,仪器会通过比较颜色深浅从而得到离子浓度值。
Then the water into the photoelectric colorimetry seat, instrument by comparing the color depth and ion concentration value.
在某些特殊型表面活性剂,如阿拉伯树胶、聚乙烯醇或其混合溶液的存在下,离子缔合物溶于水,并伴有极灵敏的颜色变化。
In the presence of some special surfactants such as Arabic gum, polyvinyl alcohol or their mixture, the associated ion is soluble in water, accompanied with very sensitive color change.
改进的方法利用了铜离子形成的特定颜色反应。
The improved method utilizes a chromogen that forms a colored complex specifically with copper ions.
用左旋多巴与多种金属离子生成络合物,产生各自不同的颜色;
L-dopa, when complexed with diverse metal ions , shows different colors.
前言:“化学花园”也叫“水中花园”,实际上就是不同的金属离子与硅酸钠溶液形成不同颜色的硅酸盐。
Chemical Garden is also called "Garden in water", actually it is made up of different metal ions and sodium silicate to form colorful silicate.
这与染色试验中不同金属离子媒染后染色织物颜色发生变化的结果是一致的。
All the above are accordant with the results of the change of the fabrics in color after mordant dyeing in the experiments.
初步探讨了阳离子改性、碱法改性及碱法阳离子联合改性及其工艺参数对苎麻纤维上染率、色强度、颜色指标的影响。
The cationic modification, alkali modification, the combination of them and their effects on dye-uptake, color strength and color indices of ramie are discussed in this paper.
铁、铬等致色离子存在不成对电子,单个电子吸收可见光,发生跃迁,使含有铁、铬离子的矿物产生颜色。
Iron ion and chromium ion with single electron can absorb the visible light and come into being color.
电子探针成分分析表明,其颜色是由铜离子引起的,铜的含量越高,颜色就越鲜艳。
Chemical composition analysis by microprobe shows that its colour is related to the content of CuO.
在金属表面采用先进的离子电镀技术替代了传统的镀膜方法,使得镀层颜色更均匀,更稳定,不易脱落。
In metal ion plating surface adopts advanced technology instead of the traditional method, the coating, coating color more even more stable, fall off.
发现颜色坐标的变化是由于随氮分压增加,自由电子浓度降低引起等离子体频率降低造成的。
As the nitrogen partial pressure increases, the variation of color coordinate is caused by decrease of free electrons number of the films and decrease of plasma frequency.
从聚合物的结构表征及机理探讨表明:颜色突变后,体系产生了新的活性中心,催化机理发生了转变——由配位机理转变为阳离子机理。
Structure characterization and mechanism study showed that, after the color change, new active center formed and polymerization changed from coordination to cationic mechanism.
在聚乙烯醇存在下,缔合物体系稳定且溶液颜色有明显的变化,可用于I -离子的光度测定。
In the presence of polyvinyl alcohol (PVA) the solution is stable and a distinct color change occurred. The method can be applied to the spectrophotometric determination of iodide.
在聚乙烯醇存在下,缔合物体系稳定且溶液颜色有明显的变化,可用于I -离子的光度测定。
In the presence of polyvinyl alcohol (PVA) the solution is stable and a distinct color change occurred. The method can be applied to the spectrophotometric determination of iodide.
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