A metabolic interaction between GUN genes can be inferred through the observation of the phenotype of double gun mutants. 制作了gun双突变体,观察到了GUN基因间有明显的相互作用;
Feature of several kinds of gas shelded double gun automatic arc welding technics and its application in the truck wheel production 不同气体保护的双枪(DG)自动焊工艺特点及其在汽车车轮生产中的应用
The Dual Pistols Spurts in the Coal Process the Double Coal Gun Horizontal Included Angle to the Powdered Coal Firing Process Influence 双枪(DG)喷煤过程中双煤枪水平夹角对煤粉燃烧过程的影响
Study on Novel Double Mode Gun Control System 双模炮控系统研究
Method based on ATR FTIR system is successfully introduced to measure the concentration curve of polymer deterrent in small arms double base gun propellant. 研究表明采用ATR-FTIR方法可以定量测试小尺寸钝感枪药表面高分子钝感剂浓度分布曲线,钝感双基球扁药表面高分子钝感剂浓度呈指数规律分布。