VRLA battery has two kinds of technology: AGM ( absorptive glass - microfibre ) and GEL technology.VRLA电池有两类技术: AGM技术和GEL技术.Conclusion: Silica gel column chromatography and crystallization are simple and rapid Methods: T...
Corn is treated when the stalk starts to elongate.在玉米秆开始拔节时，给玉米打药。These elongate sand bodies are attached to a bulge of the mainland.这些长条形砂体连接于主陆的突出部位.These sandstone bodies form elongate lenses.这些砂岩体形成伸长的透镜体....
1914年，该国成为英国的保护国。In 1914 the country became a British protectorate.1912年,西班牙宣布其成为摩洛哥北岸地区的保护国.Spain declares a protectorate over the north shore of Morocco.自1890年以来一直是英国保护国的桑给巴尔独立.Zanzibar became independent, after being ...
物质从热区转移至冷区有助于减少热失衡现象.Movement of matter from hot regions to cooler ones will tend to decrease the thermal imbalance.典型的除氧器都有加热区和除氧区.The typical deaerator has a heating and deaerating section.亨吉德山靠近冰岛首都雷克雅末克,这里因其地热区和生动的色彩...