搜索结果: 1-12 共查到“理学 worms”相关记录12条 . 查询时间(0.096 秒)
Cut off the head of a three-banded panther worm, and it will grow another — mouth, brain, and all. Cut off its tail, and the same thing happens. Cut it in three pieces, and within eight weeks there’ll...
Scientists discover four new species of deep-sea scale worms（图）
Scientists new species deep-sea scale worms
2020/5/22
National Science Foundation-funded researchers at the Scripps Institution of Oceanography have discovered four new species of scale worms from deep-sea habitats in the eastern Pacific Ocean....
Deep-sea worms and bacteria team up to harvest methane（图）
Deep-sea worms bacteria team harvest methane
2020/4/10
Scientists at Caltech and Occidental College have discovered a methane-fueled symbiosis between worms and bacteria at the bottom of the sea, shedding new light on the ecology of deep-sea env...
Parasitic worms have armies, produce more soldiers when needed（图）
Parasitic worms armies soldiers needed
2020/3/6
In estuaries around the world, tiny trematode worms take over the bodies of aquatic snails. These parasitic flatworms invade the snails’ bodies and use them to support the worm colony, sometimes for m...
Researchers reveal bioelectric patterns guiding worms’ regenerative body plan after injury
Researchers bioelectric patterns worms’ regenerative body plan after injury
2017/7/20
Researchers have succeeded in permanently rewriting flatworms’ regenerative body shape by resetting their internal bioelectric pattern memory, causing even normal-appearing flatworms to harbor the “co...
Treatment for parasitic worms helps animals survive infectious diseases--and spread them（图）
Treatment for parasitic worms animals survive infectious diseases spread them
2015/1/20
Parasitic worms, which infect millions of people and other animals around the world, influence how the immune system responds to diseases like HIV and tuberculosis.In a new study of African buffalo, U...
Are similar worms different? A comparative tracer study on bioturbation in the three sibling species Marenzelleria arctia, M. viridis, and M. neglecta from the Baltic Sea
worms different bioturbation
2014/4/2
The invasive spionid polychaetes of the genus Marenzelleria spp., consisting of the three sibling species M.
neglecta, M. viridis, and M. arctia, has been found in the Baltic Sea since the 1980s. Bec...
水丝蚓(Tubificid worms)扰动对磷在湖泊沉积物-水界面迁移的影响
生物扰动 磷迁移 二价铁
2010/12/28
为探讨水丝蚓（ Tubificid worms ）扰动对磷在湖泊沉积物水界面间迁移的影响，选取太湖梅梁湾与大浦口两富营养化湖区为研究对象，通过室内培养实验，利用 Rhizon 间隙水采样器等技术，研究了水丝蚓扰动对太湖沉积物水界面理化性质及溶解活性磷（ SRP ）在界面通量的影响 . 结果表明水丝蚓扰动能够增大表层沉积物含水率、氧化还原电位，减小间隙水中 Fe 2+ 浓度 . 水丝蚓没有显著改变梅...
Body builders - the worms that point the way to understanding tissue regeneration（图）
Body builders the worms tissue regeneration
2010/4/29
Scientists at The University of Nottingham have discovered the gene that enables an extraordinary worm to regenerate its own body parts after amputation — including a whole head and brain. Their resea...
Oligochaete (microdrile) worms in the environmental risk assessment of pesticides in the European Union
Enchytraeidae Tubificidae Lumbriculidae toxicity bioaccumulation tests
2009/6/3
This paper reviews the use of oligochaete worms for the environmental risk assessment (ERA) of pesticides based on the
legal requirements of the European Union (EU) . Such an ERA is a required part o...
Animal-sediment interactions:the effect of ingestion and excretion by worms on mineralogy
Animal-sediment interactions ingestion excretion worms mineralogy
2010/1/7
By controlled experiments that simulate marine depositional environments, it is shown that accelerated weathering and clay mineral authigenesis occur during the combined process of ingestion, digestio...
Do brominated natural products defend marine worms from consumers? Some do, most don’t
brominated natural products marine worms consumers
2014/5/14
Worms and other marine invertebrates living in soft sediments commonly produce brominated natural products that have been hypothesized to function as defenses against consumers, but this hypothesis ha...