The prehistoric village of Yangguanzhai (YGZ) dates to the Middle to Late Yangshao period (3200-3,000 BCE). It is one of the largest settlements of its kind. The site is located in the Jing River Valley, approximately 25 kilometers north of the ancient city of Xi’an in northwest China.

The prehistoric village of Yangguanzhai (YGZ) dates to the Middle to Late Yangshao period (3200-3,000 BCE). It is one of the largest settlements of its kind. The site is located in the Jing River Valley, approximately 25 kilometers north of the ancient city of Xi’an in northwest China.

The prehistoric village of Yangguanzhai (YGZ) dates to the Middle to Late Yangshao period (c. 3,500 - 3,000 BCE). It is one of the largest settlements of its kind. The site is located in the Jing River Valley, approximately 25 kilometers north of the ancient city of Xi’an in northwest China.

YGZ-1000X series drying cabinet is kind of small-size drying equipment developed according to the market demand. It is mainly used for drying of surgical operating instrument, stainless steel dish and bowl, glass ware and plastic items. Drying temperature setting range: 40–90oC (adjustable); drying time setting range: 0–999s (adjustable).

We conducted our excavations this year in a central location of the Neolithic settlement of Yangguanzhai. This area is dominated by a large artificial reservoir dug by the Neolithic …

2015年3月25日 · Department of Justice | Homepage | United States Department of Justice

ygz-1600d、ygz-1600s系列干燥柜是根据市场需求设计的大容量医用干燥设备，用于外科手术器械、玻璃器皿、呼吸治疗器械的干燥处理。 操作简单，干燥温度和时间的设置范围分别为 40℃~90℃和 0~500min。

YGZ—90型钻机工技术安全操作规程.pdf,YGZ — 90 型钻机工技术操作规程 1•工作要求： 1.1 遵守井下工人岗位责任制，确保安全生产。 1.2 严格按设计要求施工，炮孔质量符合中孔验收标准。

Operation Manual-YGZ-6 Vial Filling and Stoppering Machine - Free download as PDF File (.pdf), Text File (.txt) or read online for free. The document provides instructions for using a YGZ6 vial filling and stoppering machine made by Shanghai Xin …

Our Model: “ YGZ/YGZP ” Series Multi-core cables take Silicone rubber as the outer Jacket and the inner insulation of the single core is also Silicone rubber. It has two voltages :300V/500V. The section area is : 0.2mm2 to 2.5mm2,The number of the cores are below 37 pieces.