极黑

相反，TrES-2b的大气层由气态钠、钾和三氧化钛这些可以吸收光线的化学物质组成，不过这也并不能为该行星极黑提供解释。

Instead , it has an atmosphere made up of chemicals such as vaporized sodium , potassium and gaseous titanium oxide , which absorb light , but that still does not explain the planet 's extreme blackness .

光线从舱口来，所以在外面以为舱中极黑，到里面却一切分明。

Light came through the cabin door , so that though it looked dark from outside one could see all right .

他大着胆子坐起来，从骆驼的双峰间望过去，什么也看不见，四外极黑。

Finally he plucked up courage , sat up and peered out between their double humps . All was dark around , he could not see a thing .

碳黑：在缺乏空气的情况下，燃烧天然气或油产生的一种细面极黑的颜料。用来制造油墨。

Carbon black : A fine , intensely black pigment obtained by burning natural gas or oil with restricted air supply . Used in the manufacture of ink .

薛米琪穿着乳白色蕾丝迷你裙，戴着guess水钻吊坠，架着一副在上海极为流行的黑框无镜片眼镜。

Miki Xue wears Ivory Lace miniskirt , guess Rhinestone pendant and - all the rage in Shanghai - heavy black glasses without lenses .

随着天然林保护工程的实施，栽培原料的紧缺极大地限制了黑木耳产业的发展。

With the implementation of the Natural Forest Protection Project , the industry development of Auricularia auricular has been greatly limited by the shortage of the sawdust .

结果表明：试验所用的砧木嫁接后成活率均在90%以上，华瓠杂3号嫁接苗的产量极显著的高于黑籽南瓜、中国南瓜品系做砧木的嫁接苗以及黄瓜自根苗。

The results showed that , surviving rate of different grafted plants is above 90 % , yield of bottle gourd Hua No.3 was significant higher fig-leaf-gourd , Chinese pumpkin strains and self-rooted cucumber .

在抽穗、开花和灌浆三个时期，黑粒小麦的根系比白粒小麦短而粗，其差异达极显著水平；黑粒小麦比3个白粒小麦的根系密度要小。

On the periods of heading , flowering and grain filling , the roots of black-wheat were shorter and cruder than the white ones , the difference were significant . The root density of black-wheat grain was smaller , than three white wheat .