Solar energy is in wide use for domestic water heating to powering street and highway lights.
太阳能也已被广泛地应用于家庭热水系统和街道及高速公路照明.
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Methods: The collagen protein from cod skin was extracted by pepsin methods primarily.
方法采用以酶法为主、热水浸提和酸法浸提为辅的方法提取鳕鱼皮胶原蛋白,对在胃蛋白酶添加量和料液比两参数不同的情况下提取的胶原蛋白得率进行统计,并对所提胶原蛋白进行了成分分析.
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Shoe Polisher, Stamp Mate, Wet Towel, Animal Towel Emf Tester, Ceramic Heater Towels.
采购产品鞋油, 捺印配偶, 湿手巾, 动物手巾, 陶瓷的热水器手巾.
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