siwa

The Siwa culture distributed in the south-east of Gansu Province and the north-west of Shan' xi Province, it is a bronze age culture.

寺洼文化是分布于甘肃省中南部及东部地区的一支别具特色的地方性青铜文化。

Raafat El-Fiqi, a maths teacher and researcher from Alexandria, has been taking the sand baths of Siwa for a few years after it was recommended by his doctor.'

亚历山大港研究员、数学老师拉法特·菲基（Raafat El-Fiqi）表示，听了医生的建议后，他已经连续好几年都去锡瓦沙洲做沙浴了。

Siwa Msangi, a research fellow at the Washington-based International Food Policy Research Institute, says the margin for error in global food production has been virtually eliminated.

华盛顿国际食品政策研究所的研究员斯娃.姆桑吉（Siwa Msangi）说全球粮食产量的盈余实际上已经不存在了。

Analysis on "the Siwa Culture"

寺洼文化研究

Sunset in the lake of Siwa Oasis, Egypt. All the sunsets are like this in Siwa Oasis, the most wonderful sunsets I've ever seen.

在西瓦绿洲湖边的日出，埃及。所有的日出都是如此的美丽，这是我见过的最好的日出。

The first one is doping some proton conductor in the PBI membrane. These conductors such as zirconium phosphate ( ZrP), phosphotungstic acid ( PWA) and silicotungstic acid ( SiWA) were used.

其一，在聚苯并咪唑膜基体中，掺杂质子导体，比如磷酸锆，磷钨酸，硅钨酸等。