So next month dr tilly will take some of his stem cell booty to edinburgh to collaborate with evelyn telfer , who has developed a technique for growing human eggs from an early stage . She holds a licence to fertilise them experimentally .
He plans to fertilise his fields with manure , rather than chemicals derived from oil and natural gas .
他计划用天然肥料替代从石油和天然气中提取的化肥给农田施肥。
One widely discussed idea , which the royal society 's correspondents re-examine , is to fertilise the oceans with iron .
一个受到广泛讨论,也是皇家学会成员再次斟酌的观点是利用铁物质对海洋施肥。
One popular idea is to use iron to fertilise the sea , causing the same explosions of phytoplankton that often precede dead zones and red tides .
一个流行的想法是,使用铁给海洋施肥,造成浮游植物经常地在死区和赤潮出现之前同样迅速地繁殖。
" The law specifically does not allow artificially created sperm to be used to fertilise an egg for the sake of reproduction , " says professor peter braude , head of the department of women 's health in the division of reproduction and endocrinology at king 's college london .
The discovery suggests that increased co2 in the atmosphere could fertilise extra growth in the mature forests .
研究表明大气中增加的二氧化碳可促进成熟森林的生长。
Blocking a river with a dam also blocks the movement of fish upstream to spawn and the movement of silt downstream to fertilise fields .
用大坝阻断河流使得鱼类无法逆流而上去产卵,同时淤泥无法顺流而下去肥沃土地。
The head of the sperm carries special enzymes to dissolve this membrane , which it must do in order to fertilise the egg .
精子头部携带某种特殊的溶解酶,消融防护细胞棕色的外膜,唯有如此,受精方可成功。
Even if hedid fertilise the egg of a non-paired female it would not survive as ittakes two adults to raise a single chick .
即使雄鸟让单身的雌鸟产下了受精卵,但如果没有两只成年鸟的照顾雏鸟将无法生存。
The ' artificial sperm ' were then used to fertilise eggs , leading to the birth of 60 ' grossly healthy ' baby mice , who went on to have families of their own , the journal cell reports .