ring content

The distribution of the moisture content of each growth ring in wood using X-ray densitometry

用X射线密度计测定木材年轮的含水率分布

It is shown that, for any yarn linear density considered here, combing roller speed varying from 5000 to 9150 r/ min affects content of extra long fiber in fiber ring and yarn properties but does not significantly influence spinning stability.

研究结果表明，不同纺纱细度下，在5000～9150r/min范围内分梳辊转速对纺纱稳定性没有显著影响，而对转杯纤维环中超、倍长纤维含量及成纱质量有较大影响；

The swimming elective lesson is one of the foundation courses of athletics lesson in the high school. Its educating content is a necessary and important ring, in the high school that educate.

游泳选项课作为高校体育课的基础课程之一，其教育内容是高校教育中不可或缺的重要一环。

Package content: Fingerprint security access system . mounting adapter ring. CD with demo software . operating instructions.

包装内容: 指纹安全门禁系统,安装转接环. 带演示软件的的cd,操作说明.