Isolation and characterization of the banana bunchy top virus 香蕉束顶病毒的提取及其特性的研究
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The application of the plc to the bunchy yarn spinning system 可编程控制器在竹节纺纱装置上的应用
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In order to break through the traditional technology and the conception of equipment design , suggest to use bunchy phase deep hole or big diameter deep hole in laneway to realize the exploding of high step on opencast working ; digging with big contain forklift to realize the continuous transportation of dragline - mobile convolution crusher - belt transportation machine , therefore form a new technology system that be propitious to increase collectivity technique and economic benefit 为突破基于常规工艺和设备配套的设计理念，推荐采用束状阶段深孔或在巷道中采用大直径深孔的方法实现露天开采的高台阶穿爆作业；采用大斗容索铲下挖作业实现自工作面开始的索斗铲移动式旋回破碎机带式输送机的连续运输工艺，从而形成有利于提高露天开采设计总体技术经济效果的新的工艺技术系统。
