quasi-spherical

The collapse and formation process of quasi-spherical explosively formed projectile(EFP)was simulated by nonlinear dynamic software AUTODYN.

采用非线性动力学程序AUTODYN数值模拟了准球形爆炸成型弹丸(EFP)压垮成型过程,研究了药型罩外曲率半径(R2)和壁厚(h)等结构参数对EFP长径比和速度的影响,并对R2=0。

A continuous uniform layer of amorphous TiO2 obtained by the hydrolysis of TBOT could be deposited on the surface of monodispersed pseudo-spherical α-Fe2O3.

钛酸四丁酯(TBOT)水解产生的TiO2沉积在单分散准球形α-Fe2O3颗粒的表面,形成均匀、连续的核-壳结构。

The amorphous Co(OH)_2 obtained from the hydrolysis of CoCl_2 under the catalysis of ammoniac base could be deposited on the surface of monodispersed pseudo-spherical α-Fe_2O_3 nanoparticles to form core-shell particles.

在单分散准球形-αFe2O3纳米颗粒的悬浮液中,在氨碱催化下,CoCl2水解产生的Co(OH)2沉积在-αFe2O3纳米颗粒表面,形成核-壳粒子。

High purity spherical-normal spherical submicron crystal silica is prepared by using technique of mixing acid corrosion(anhydrofluoric acid and sulphuric acid) and method of mechanical stir from raw powder quartz.

以天然粉石英为基本原料,通过氢氟酸与盐酸混合酸溶蚀技术和机械强力搅拌处理,制备了高纯球形-准球形亚微米晶质SiO2材料。