当罗比尼奥和麦孔在为南非世界杯而挥汗如雨时,估计很少有球迷会注意到,他们身上穿的明黄色球衣,是用废旧的塑料瓶做成的。
When Robinho and Maicon sweating in the World Cup in South Africa, an estimated few fans will have noticed them wearing bright yellow jersey, is made of waste plastic bottles.
试验结果表明:水力空化对若丹明B确实有降解作用,处理系统中存在最佳的孔板几何参数和操作运行条件,并且若丹明B的降解速率随修正空化数的减少而增大。
There are the optimal geometric parameters and operating conditions in the system and the degradation rate of rhodamine B increases with decreasing the value of the modified cavitation number.
本发 明解决工业现场快速镗削大、深孔难题,镗削可控性能好,精度高;
The present invention solves the field quickly boring big, deep hole problem in industry field, and has good boring controllable performance and high accuracy;
本发 明解决工业现场快速镗削大、深孔难题,镗削可控性能好,精度高;
The present invention solves the field quickly boring big, deep hole problem in industry field, and has good boring controllable performance and high accuracy;
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