没有障碍的 meaning in English

unobstructed

This thesis aims at designing living space barrier - free for the elderly and the disabled
本论文的目的就是设计对于老年人和残疾人没有障碍的居住环境。
Typically , liposomes must be smaller than 200 nm in order to pass through the blood system unobstructed
微脂粒必须小于200纳米才能没有障碍的穿过血液系统。
Such a structure ? a semiconductor with a disk cut out of it , which squeezes the current through the two narrow channels of semiconductor ? has a much higher resistance than an uninterrupted slab of semiconductor ( which itself has higher resistance than a semiconductor with a disk of metal embedded in it )
这种在半导体中挖个圆洞，把电流压缩到两旁狭窄通道的结构，其电阻比起没有障碍的半导体薄片要大很多（不过后者的电阻又比有金属圆盘的半导体来得高）。
Lastly , the thesis presents some designing schemes on interior facilities barrier - free for the wheelchair users by using the human body dimensions in chapter 2 ; at the same time , the thesis sums up wheelchair users " moving mode in bathing space , and designs barrier - free bathing space for wheelchair users
在第四章中主要是依据第二章中的人体尺寸，设计了对于轮椅乘坐者没有障碍的部分室内常用设施的尺寸，同时总结了轮椅使用者在卫浴空间的行动方式，并进行了卫浴空间的无障碍设计。