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- boron powder of neutralised 中和处理的硼粉
- The superfine boron powder was coated by aggradation method with AP using methanol or acetone as the solvent. 采用沉积法,以甲醇、丙酮为溶剂,AP为主要原料,对超细硼粉进行包覆。
- Boron carbide nanotubes(nano-fibers) was prepared by boron powder and carbon nanotubes(CNTs) at high temperature in a quartz tube after being vacuumed. 以碳纳米管为原料,利用真空封管技术在高温下用硼粉对碳纳米管进行掺杂处理,获得了碳化硼纳米管(纤维)。
- Superfine boron powder was coated with hydroxyl-terminated polybutadiene(HTPB) by the direct reaction coating method and physical coating method separately. 采用表面直接反应包覆及物理包覆法研究了硼粉的端羟基聚丁二烯(HTPB)的包覆技术,经过研究发现:经表面直接反应包覆法的包覆效果较好。
- In order to synthesize boron-doped diamond, different ratio of amorphous boron powder was added into the system of graphite and pure iron powder, and mixed equally. 实验中将不同比例的无定形硼粉直接添加到石墨-纯铁粉末体系中并均匀混合，以此方式，将硼掺杂到高温高压合成的金刚石单晶中。
- The compatibility between boron powder and solid propellant binder, surface treatment of brorn powder and lts application in thc formula of solid propellant wcre invcatisated. 对硼物与粘合剂相容性、硼物表面处理及其在固体推进剂配方中的应用进行了研究。
- Boron carbide nanotubes (nano-fibers) was prepared by boron powder and carbon nanotubes (CNTs) at high temperature in a quartz tube after being vacuumed. 摘要以碳纳米管为原料，利用真空封管技术在高温下用硼粉对碳纳米管进行掺杂处理，获得了破化硼纳米管（纤维）。
- The powder of nanosized H2WO4was characterized by XRD,BET,SEM,TEM. 并用XRD、BET、SEM、TEM测试方法对纳米钨酸粉体进行了表征。
- Super powder of it si also a kind of ceramics material. 超细微粉也是高级陶瓷材料。
- False-house, have fissures, white powder of rare objects. 内部不实，有裂隙，白色粉性物少见。
- Most synthetic detergents are in the form of powder or liquid. 大多数合成洗涤剂呈粉状或液态。
- The growth of high calcium bone powder of Anguilla japonica group is the best. 高钙鳗骨粉组动物生长情况最好。
- ultra-fine amorphous boron powder 超细无定形硼粉
- How can I persuade you of my sincerity? 我如何能够让你相信我的诚意？
- A metallurgical coating process in which iron or steel is immersed in a powder of another metal, such as zinc, chromium, or aluminum, and heated to a temperature below the melting point of either. 渗碳处理一种冶金镀膜工序，在此工序中把钢或铁浸入另一种金属如锌、铬或铝的粉剂里，并加热至这一金属的熔点温度以下
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- I bought a pair of tan leather shoes the other day. 前几天我买了双棕褐色的皮鞋。
- He bit off a large piece of the apple. 他咬下一大块苹果。
