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XIAMEN, Jan. 23 (Xinhua) -- Xiamen, a coastal eastern Chinese metropolis, may have one of the world's smallest nature reserves for one single endangered bird species, which is even hidden among skyscrapers in its downtown. The distinguished visitor to the reserve is called Merops philippinus,...
Associated Press
The concentrations of rare earth elements (REEs) in plant leaves, soils in which they grow, and mother rocks were determined using Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES). Concentration levels of REEs in most plants were low. However, one of the herb species, pokeweed ...
搭配 同义词 反义词 adj.+n. rare species,rare disease,rare opportunity,rare exception,rare occurrence 权威英汉双解 英汉 英英 网络释义 rare 显示所有例句 adj. 1. 稀少的;稀罕的not done, seen, happening, etc. very often 2. 稀罕的;珍贵的existing only in small numbers and therefore valuable or...
The aim of study was to determine the phytoextraction of rare earth elements (REEs) to roots, stems and leaves of five herbaceous plant species (Achillea millefoliumL.,Artemisia vulgarisL.,Papaver rhoeasL.,Taraxacum officinaleandTripleurospermum inodorum), growing in four areas located in close ...
They are also known for forming hydroxo species in aqueous solution by deprotonating coordinated water molecules. The requirement of rare earth ions for high coordination number allows the simultaneous coordination of the substrate and hydroxide nucleophiles. The disadvantages of RE3+ ions are their ...
This species is extremelyrare. 这一物种极为罕见。 牛津词典 ...the black-necked crane, one of therarestspecies in the world... 黑颈鹤,世界最稀有的物种之一 柯林斯高阶英语词典 She collectsrareplants... 她收集稀有植物。 柯林斯高阶英语词典 ...
Considered a flagship species in the Changbai Mountains area, Chinese mergansers arrive in the region every year around March and April for mating and reproduction. Since 2012, Piao and his colleagues have created more than 500 artificial nests on riverside trees to protect the fledglings. ...