placoid scale是什么意思

网络释义

用法例句

Fast-swimming sharks have small placoid scales on their skin,of which the riblet surfaces(grooved surfaces)can improve swimming performance of these relatively giant fishes.

鲨鱼体表覆有一层细小的盾鳞(Placoid scale),盾鳞上的脊状突起称为肋条(Riblet),肋条之间构成具圆弧底的沟槽。

The scales removed from 16 species of snakes were observed by scanning electron microscope .

对16种蛇鳞的扫描电镜观察表明，蛇类鳞片微皮纹的基本结构是由d约05μm横行排列的小孔和介于小孔间向后延伸的指状突构成背鳞的微皮纹结构有种的特异性同一种蛇的原动物、蛇蜕和药材标本相同部位的鳞片具有相同的微皮纹特征因此蛇鳞的微皮纹特征亦可作为蛇类药材的鉴别依据之一，并以背鳞的微皮纹特征为依据，编制了16种蛇背鳞微皮纹特征检索表。

The decalcification ability of citric acid and lactic acid on fishbone and scale of tilapia were compared.

对比柠檬酸和乳酸对罗非鱼骨与鱼鳞中钙的溶解能力,选择乳酸作为罗非鱼骨、鳞胶原肽制备过程中脱钙的酸化剂。

cobras; kraits; mambas; coral snakes; Australian taipan and tiger snakes.

眼镜蛇；金环蛇；树眼睛蛇；银环蛇；澳洲太攀蛇和盾鳞棘背蛇。

slender shield fern of moist woods of eastern North America; sometimes placed in genus Dryopteris.

北美洲东部雨林地区的一种薄叶盾蕨；有时归为鳞毛蕨属。

progressive scaling

顺序鳞剥, 进行性鳞剥

Covered with small, scurfy scales.

有鳞屑的，外有鳞皮的

Having or composed of such scales.

圆鳞的有圆鳞的，由圆鳞组成的

fishskin disease

ph.1. 【医】鱼鳞癣

Scattered mirror carp

GB/T16873-1997散鳞镜鲤

It is a small-scaled fish with a large mouth and a Barbel (fleshy feeler) on its chin.

鳞小,口大,具颏须

The order Lepidopteran consists of the butterflies and moths.

鳞翅目有蝴蝶，蛾。

principal and non - principal contradictions

主要矛盾与非主要矛盾

logical contradiction and dialectical contradiction

逻辑矛盾与辩证矛盾

class contradiction and non-class contradiction

阶级矛盾与非阶级矛盾

Contradictions must be exposed and then resolved.

要揭露矛盾，解决矛盾。

Mao Dun's Contradiction--Mao Dun's Fictions Within the Context of Philosophy History

茅盾的矛盾——思想史视野中的茅盾小说

squamous cancer for524cases,adenocarci-noma 34cases,adenosquamous carcinoma 25cases;

鳞癌524例,腺癌34例,腺鳞癌25例;

EARLY DEVELOPMENTAL AND MORPHOLOGICAL CHARACTERISTICS OF SCALE OF CHINESE SNAKE-HEAD FISH,(Channa argus)

乌鳢早期鳞被的形成及鳞片形态特征

A REVIEW OF THE GENUS SQUAMOSA BETHUNE-BAKER IN CHINA(LEPIDOPTERA,LIMACODIDAE)

中国鳞刺蛾属订正(鳞翅目,刺蛾科)(英文)

Analysis of fatty Solution in Dryopteris championii by GC-MS

阔鳞鳞毛蕨脂溶性成分的GC-MS分析