When we look tothe east of Shanghai, we are sure to see abeautiful tower, especially in the evening when the lights are ......

The transition of the superficial microstructure of freshwater pearls induced by Ce was investigated by means of scannin......

以珍珠为研究对象,用高频振动磨进行干式超细粉碎,简要介绍了珍珠超细粉体的制备过程和特点,考察了超细粉碎过程中珍珠粉体的色泽......

朱自清先生的人物特写散文历来未能引起研究界的足够重视.其实,在这组写人散文里,作家以精练素朴的语言文字,浓郁而独特的抒情方式......

...

采用石灰超细微颗粒悬浮法为主控制池塘生态环境，中草药注射剂为辅的方法，成功的控制了由嵌砂样病毒引起的暴发性三角帆蚌瘟病。７０００只育......