查询词典 protective colouration

Colouration and turbidity reach 0 and 3.3 NTU respectively.

色度和浊度分别达到0和3.3NTU。

An alcohol solution containing 10% sulfuric acid was used for colouration in the way of sprayin.

结论该方法准确、简便，可为白术的目的建立白术薄层色谱鉴别方法。

The colour of natural topaz is systematically described and the achievements in colouration by irradation of topaz are discussed.

近几十年来，国内外在黄玉改色试验及改色理论研究方面都做了大量的工作，并取得了不少成果。

The 405 is a transparent preamplifier, free of colouration, distortion or interference and can be used with confidence as a reference playback system preamp.

405是一个透明的前置放大器，自由的着色，扭曲或干扰，并且可以作为一个参考播放系统前置信心使用。

This text will specially analyze and compare linear difference between appraising rooms from the colouration features of tradition Chinese painting and the west painting in different periods.

本文将从各个时期中西绘画色彩的特点入手，对二者之间的联系与区别进行具体的分析与比较，对其色彩的差异及成因作一探讨。

Juveniles are black and off-white when they hatch, but quickly develop the adult's striking colouration.

幼龟刚出生时的体色是黑色和乳白色的，但是很快就显现成龟那种绚烂的色彩。

Experts examined them under the light and scrutinised their colouration.

专家们仔细地观察着它们的颜色。

Colour comparison were made by using a " shell colouration index ", which indicated the darkness of shells

分析时，用贝壳颜色指数来表示贝壳颜色深浅度特征。

The mechanism of colouration by irradiation of topaz is also discussed here, suggesting that the colour is induced by integrated effect of impurity elements, impurity ion center and electron hole center.

在辐照改色的条件、过程和结果上，众多学者的研究成果基本上是一致的，但在黄玉的赋色

Through analyzing the properties of PVC extruded materials,the main factors causing the colouration of PVC extruded product were investigated.

通过对PVC挤塑材料性能的分析，探讨了影响PVC挤塑制品着色的主要因素；从原材料及加工过程的特点，寻找控制着色产品色泽的主要因素；认为对材料的配方及配混工艺、挤塑加工工艺进行严格控制，是控制好PVC挤塑制品色泽的主要途径。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48