The present paper described the application of floating bead biofilter in recirculating sturgeon culture system.
本文介绍了双层浮球式生物滤器在封闭循环式鲟鱼养殖生产中的应用情况。
The used lightweight aggregate is lightweight ceramsite, floating bead, vermiculite, expansion perlite or other lightweight fireproof raw material.
所用的轻质骨料为轻质陶粒、漂珠、蛭石、膨胀珍珠岩或其它轻质耐火原料。
The invention solves the problems of low early strength, poor slurry flowability and stability and short service life of the traditional non-floating bead pulverized fuel ash low-density cement.
本发明解决了现有非漂珠粉煤灰低密度水泥早期强度低、浆体流动性不好、稳定性差及使用寿命短的问题。
Beach Series: beach ball, swim ring, head ring, arm ring, floating row, water bed, bead, raincoats, infant seat, seat pool. Baby horse. Waterskiing circle, one boat, double boat, water, beach bags.
沙滩系列：沙滩球、游泳圈、头圈、手臂圈、浮排、水床、胎圈、雨衣、婴儿座、座池婴儿坐骑滑水圈、一人船、双人船、水滩袋充气背包。
Beach Series: beach ball, swim ring, head ring, arm ring, floating row, water bed, bead, raincoats, infant seat, seat pool. Baby horse. Waterskiing circle, one boat, double boat, water, beach bags.
沙滩系列：沙滩球、游泳圈、头圈、手臂圈、浮排、水床、胎圈、雨衣、婴儿座、座池婴儿坐骑滑水圈、一人船、双人船、水滩袋充气背包。
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