查询词典 pigments

The performers in this picture have only black configurations without detailed appearances. The contrast between the black and thick pigments consists of a sense of mystery, and gives out religious devoutness.

此图所绘舞乐人物，仅有黑色形态而无具体面具，黑色形象与浓重色彩对比形成神秘之感，显示了宗教的热情。

In the dyestuff production process, such as AZO pigments of diazotization, it controls temperature technical by adding ice, which can be effective to control the diazonium salt decomposition in coupling reaction.

在颜料生产过程中，例如偶氮颜料的重氮化反应，偶合反应中，采用加冰控温工艺，可有效控制重氮盐的分解。

Students should grasp the classification of the nitration reactions and its industrial application, the main nitration reagents and the nitration method, the classification of the sulfonation reactions, the function of sulfo group and its in the industrial application, sulfonating agents and its industrial application, the separation method for the sulfonated compounds, the widespread applicationof diazonium and the coupled reactions and its in the industry specially employed in the dyes and the pigments synthesis

掌握硝化反应的分类及其在工业上的应用。掌握主要的硝化试剂和硝化方法。掌握磺化反应得分类、磺酸基的作用及其在工业上的应用。掌握磺化剂其在工业上的应用。了解磺化物得分离方法。掌握重氮化及偶合反应及其在工业上特别是在染料和颜料合成中的广泛应用。

For the determination of the chlorophyll in seawater, pigments of marine algae are extracted with 90 % acetone by the following three methods: 1 grinding in a homogenizer, 2 extracting by placing the samples in darkness for a period of time,and 3 using a sonic disintegrator.

本文讨论了用90％丙酮从海藻中提取叶绿素进行测定的三种提取方法(研磨法、浸泡提取法、超声波粉碎法)的最佳条件。并对三种提取方法的提取效率进行了比较。

Pigments and extenders - Methods of dispersion and assessment of dispersibility in plastics - Part 1 : general introduction.

NF T31-310-1-2003 颜料和填充剂。扩散方法和在塑料中可扩散性的评估。

Such treatment improves the dispersibility of the pigments in thermoplastic resins.

这样的处理改进了颜料在热塑性树脂中的分散性。

Properties such as shade, flowability, dispersibility and wetting property of pigments treated with them were determined.

两性表面活性剂，如烷基甜菜碱和咪唑啉衍生物，可用于提高颜料的流动性和分散性。

Kiwi was able to play whitening, freckle role is one of the reasons for vitamin C can effectively inhibit skin dopa quinone oxidation, so that the skin pigment dark oxidized into the reduced light pigments, interference with the formation of melanin the prevention of pigmentation in order to maintain fair-skinned.

猕猴桃之所以能够起到美白、祛斑的作用，原因就是其中的维生素C能有效抑制皮肤内多巴醌的氧化作用，使皮肤中深色氧化型色素转化为还原型浅色素，干扰黑色素的形成，预防色素沉淀，从而保持皮肤白皙。

Certain flavonoids anthocyanins are found primarily in the pigments of dark blue and deep purple fruits such as the black elderberry.

确切的说，类黄酮-花青素-是主要存在于颜色为深蓝色或是深紫色的果实里，比如黑接骨木。

Film or paper surface dirty, and wrapped it into the dust or clear plastic mulch films after the crease or relaxation phenomena, film hemming switched to a new membrane drying temperature is too high, adhesive surface crust adjust oven temperature, clear crusts partⅱ thermotolerance cohesion and not enough use better glue wrinkle of polymer-coated film transfer after the roll is not the proper balance of films at both ends are inconsistent or wave; adjustment layer of polymer-coated machine too thick, solvent evaporation incomplete, viscosity, pressure drum extrusion, paper (Business card printing and membership card making products) and films between slide to adjust the film covering technology electrothermic roll and rubber roller ends is not plain, pressure is inconsistent, ranging from the adjustment of the linear speed of the machine after the temperature inside the plastic mulch film covering the subject in yellow glue resin particularly resin or additives not resistant to ageing, in the light, heat, under the influence of ultraviolet radiation, chemical change, build the pigments should be switched to a new glue

薄膜或纸张表面不干净，裹入灰尘或杂质清除后再行覆膜薄膜有折皱或松驰现象，薄膜卷边换用新膜干燥温度过高，粘合剂表面结皮调整烘道温度，清除结皮胶的粘接力和耐热性不够换用更好的胶水覆膜后起皱薄膜传送辊是否不平衡；薄膜两端松紧不一致或波浪边；调整覆膜机器胶层过厚，溶剂蒸发不彻底，影响了粘度，受压力滚筒挤压，纸张与薄膜之间产生滑动调整覆膜工艺电热辊与橡胶辊两端不平、压力不一致、线速度不等调整覆膜机器覆膜后易变黄胶水中的主体树脂特别是一些增粘树脂或助剂不耐老化，在光、热、紫外线的影响下，发生化学变化，生成有色物质应换用新胶水

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。