模拟试验主要模拟农田的基本情况，测定土壤淋溶液中氮的含量，采用半微量开氏法。
The simulated test mainly simulates the basic situation of the farmland, determines the content of nitrogen in soil drench solution, and adopts semi-micro Macro Kjeldahl method.
简要介绍了丰山铜矿北缘试验采矿方法的基本情况、试验效果，对其成功的经验和存在的问题进行探讨并提出建议。
The paper briefly presents the basic condition and result of the mining method test of north orebody in Fengshan Copper Mine. Some problems are discussed and some Suggestions are given.
介绍了该桥的设计基本情况、三汊矶大桥节段模型和全桥模型风洞试验情况。
In this paper, basic design information is first described, followed by briefly introduction to section model and full aeroelastic model wind tunnel tests.
应用推荐