The WHO Registry Network provides prospective trial registries with a forum to exchange information and work together to establish best practice for clinical trial registration.
WHO注册网络提供前瞻性的试验注册，并提供一个论坛交流信息，以及协同建立临床试验注册的最佳实践。
They can be easily cast into tough membranes and show good mechanical and electrochemical properties. The polymers show good prospective usages in the proton exchange membranes fuel cell.
聚合物成膜后的研究结果表明，该膜具有良好的机械性能和电化学性能，可能在质子交换膜燃料电池中得到应用。
They can be easily cast into tough membranes and show good mechanical and electrochemical properties. The polymers show good prospective usages in the proton exchange membranes fuel cell.
聚合物成膜后的研究结果表明，该膜具有良好的机械性能和电化学性能，可能在质子交换膜燃料电池中得到应用。
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