Thesolution of collagen-PVA was wet spined with the sodium sulfate as coagulant and collagen-PVA composite fibers were prepared.
在此基础上，以硫酸钠为凝固剂，对胶原-PVA共混溶液进行湿法纺丝，制备了胶原-PVA复合纤维。
Facilitating these studies is the fact that the three-spined stickleback is easy to find in nature and easy to keep in aquaria.
来自BBC
In the case of the nine - spined stickleback, they have most likely adapted to local ecology.
对于九刺鱼来说, 他们很有可能的是出于适应本身所处的生态环境而习就了这一高级功能.
The table littered with broken-spined books.
来自T. Pynchon