Dyes come from plants or from chemicals.

染料是从植物或化学物质得来的。

The dye doesn't take in cold water.

那种染料在冷水不起作用。

The diagnosis was established readily on IVU, cystoscopy, retrograde pyeloureterography or dye studies.

联合应用IVU、膀胱镜、逆行输尿管肾盂造影及染料染色检查确诊。

Photographic silver halide emulsious are spectrally sensitized with a tricarbocyanine dye .

照像卤化银乳剂是用三碳菁染料进行光谱增感的。

Cotton can be dyed after pre mordanting with addition agent.

植物染料加入助剂后可用于印染棉织物。

Flavins are light-sensitive yellow pigments with an absorption peak around 370nm.

黄素是光敏感型黄色染料，在370nm左右有吸收峰。

The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye.

该染料甲川链上的碳原子与氨基的氮原子相连，而该氮原子又与染料的甲川链形成烯胺。

Extract dyestuffs such as mineral and plant,etc. from the nature, will call as five colors bluely and greenly, yellowly, redly, whitely, blacklily, and then seize other after the five color mixture.

从大自然矿物与植物等染料，、黄、赤、白、黑称之为色，色混合后攫其它的颜色。

The purple pigment which is asbtracted from the Althaea roseal is a harmless natural dystuff.This article introduces the research of the purple pigmenting from the althaea roseal and its stability.

从蜀葵花瓣提的紫色素是一种安全无害的天然染料.本文对蜀葵花的紫色素的提及稳定性的研究作了介绍.

Sudan stains Any of various stains based on aniline dyes, and used to color fats and waxes, and hence cutinized (e.g. cuticle ) and suberized (e.g.Casparian strip) tissues.See staining.

以苯胺染料为基础配制而成的各种染料，用于使脂肪和蜡着色，因此可以染皮肤（例：表皮）和栓化组织（例：凯氏带）。

The paper deals with the fact that chemical modification and crosslinkage can increase the reactivity of cellulose fibers to dyes and the raise of fixation can thus be achieved.

对纤维素纤维通过化学改性和交联作用,增加纤维与染料的反应能力,以达到色泽增深和提高染色牢度的目的进行了讨论。

Therefore, improved carbol fuchsin can be used as the fluorochrome to nuclear DNA to reduce the costs of the use of DNA-specific fluorochrome such as DAPI and H33258.

实验结果表明, 改良苯酚品红染液可作为荧光染料代替DAPI及H33258等昂贵的核染料, 从而降低实验成本。

Active carbon used as preseparation agent, from which the SO42- is easily eluted has high adsorbance for four dyes.In addition, it is cheap and easily got as well.

该法所用预处理剂对染料的吸附量高,而硫酸根离子易于洗脱,且价廉和容易获得。

The term “ice colors” is also sometimes used to refer to azoic dyes because ice can be used to produce the the low temperature required in their application.

不溶性偶氮染料有时也叫冰染料因为在他们应用需要用冰来产生低温。

Metalliferous ore waste residue and clay were used to prepare one kind of new decolorization adsorption ball and fuchsine dye water sample was taken as processing object.

文章主要是以金属矿废渣、粘土为材料研究制备一种新型脱色吸附球,并以碱性品红染料水样为处理对象。

The principal prupose of this study is on nanosizing the disperse dyestuffs to colourize the fabric made of polyester super-micro fibers and to improve its dyeing properties.

摘要本研究主要是以分散性染料染超微细聚酯纤维，以一般粒径染料与细化至奈米粒径染料染色之比较，针对坚牢度测试与上色程度来分析。

A novel dust proofing agent for dyestuff was prepared by the addition of industrial fatty acid and glycol epoxide, which could produce a kind of emulsor.

采用工业脂肪酸和环氧乙烷加成法研制成乳化剂,进而获得一种新型染料防尘剂。

The effects of different methods and conditions on the structure and surface properties were studied by XRD, nonaqueous solution titration, and decoloring performance on orcein dye.

用XRD、非水溶液滴定法及对红色染料的脱色能力等研究了制备方法及条件变化对蒙脱石层间结构、表面性质的影响。

A process for decolourization of anionic dye containing wastewater by using waste plastics in the presence of cationic auxiliary and sodium dodecylbenzene sulfonate has been studied.

探讨了在阳离子助剂及十二烷基苯磺酸钠存在下,利用废旧塑料对阴离子染料的脱色工艺。

For that reason, anyone being offered what appears to be high-quality coral cheaply would do well to view the matter with a certain degree of scepsis.

另外，染色珊瑚的颜色表里不一，染料集在小裂隙及粒间，颜色外深内浅，不均匀。