- 2022-07-31 07:00一种自动钎焊用铜焊膏及其制备方法
- 2022-07-31 07:00含稀土Er的Al-Si基中温钎料及其制备方法
- 2022-07-31 06:59SnZn系无铅钎料
- 2022-07-31 06:59一种高温自补偿润滑耐磨材料及其制备方法
- 2022-07-31 06:59纳米复合稀土钨电子发射材料的放电等离子制备方法
- 2022-07-31 06:59稀土饲料营养添加剂及生产方法
- 2022-07-31 06:59一种水果保鲜悬浮乳剂及其制备方法
- 2022-07-31 06:59一种纳米晶稀土永磁的深冷处理方法
- 2022-07-31 06:59钞票激光定量鉴真方法和激光机读鉴真机具
- 2022-07-31 06:59一种以甲乙丙丁烷的混合气为原料部分氧化制氢气的方法
- 2022-07-31 06:59一种用于石蜡基原料油的裂化催化剂
- 2022-07-31 06:59SOLID POLYMER FUEL CELL
- 2022-07-31 06:59METHODS FOR IDENTITY VERIFICATION USING TRANSPARENT LUMINESCENT POLYMERS
- 2022-07-31 06:59METHOD FOR PRODUCING FUNCTIONAL POLYIMIDE FINE PARTICLE, AND REWRITABLE MEMORY MATERIAL UTILIZING C
- 2022-07-31 06:59OXYNITRIDE PHOSPHOR AND LIGHT-EMITTING INSTRUMENT
- 2022-07-31 06:59RARE EARTH METAL COMPLEX, MATERIAL FOR THIN-FILM FORMATION, AND PROCESS FOR PRODUCING THIN FILM
- 2022-07-31 06:59MANUFACTURE OF HIGH CRITICAL TEMPERATURE SUPERCONDUCTING PART USING UNIAXIAL PRESSURE DURING OXYGENA
- 2022-07-31 06:59Method of etching magnetic material, magnetoresistive film and magnetic random access memory
- 2022-07-31 06:59Magnetic powder and method of producing the powder
- 2022-07-31 06:59Corrosion-resistant coating composition for steel, a coated steel product, and a steel coating pro