What he saw thrilled him - the dried adhesive was composed of a complex network of nanofibers , linked and crosslinked to form a porous scaffold .
干燥的粘液由复杂的纳米纤维网组成,它们互相联接、交叉,组成了一张多孔的支架,这一发现让他震惊了。
But emmerling warns that the porous sandstone , now exposed to the air , may crumble within a few years .
不过艾默灵警告说,如今暴露于空气中的这些多孔砂岩,可能再过几年就会粉碎。
In africa 's namib desert , welwitschia plants have been known to live for more than a thousand years on the dew that they absorb through their long , porous leaves .
在非洲的纳米布沙漠,众所周知,百岁兰靠其多孔的长叶子吸收露水能活一千多年。
The combination of flexible and porous new biocompatible materials with the ability to grow cells outside the body is new . The result is transplants that do not rely on donors and do not run into problems of rejection .
Its geology is ideally suited to storing carbon dioxide-in depleted oil-and-gas fields in the north sea , as well as in saline aquifers , deep porous rocks full of salty water .
In the late 1970s john cadotte of america 's midwest research institute and the filmtec corporation created a much-improved membrane by using a special cross-linking reaction between two chemicals atop a porous backing material .
Special porous hairs ( see photograph ) , located on the animal 's flank , take up the poison , which is also used by some kenyan hunters to tip their arrows .
Coral was a favored construction material because of its porous , water-retaining nature : when temperatures soared , the trapped water evaporated and cooled the interior , a sort of 17th-century air-conditioning system .
The effect is achieved by trickling seawater over porous cardboard screens -- called evaporators -- which cool and humidify the dry desert air , creating a favorable growing environment for crops .