1) face fit factor
脸形密合度
1.
F2 phage aerosol,and the face fit factor of actual wearing has been tested under eight predefined activities.
075μm的NaCl气溶胶和金黄色葡萄球菌及大肠杆菌F2噬菌体气溶胶,对FS9901型平面-腔式可变的一次性生物防护口罩进行了滤材过滤效率、通气阻力和负载能力的评价;用口罩脸形密合度测试仪在8种规定的动作下进行了实际佩戴效果的测试。
2) face contour
脸形
1.
In order to design the biological protective mask fitting the face contour of Chinese, representative group of people was selected for measuring precisely the parameters such as the breadth and length of human face, the distance between 2 jugal points, the nose middle breadth and nose middle height.
为设计出适用于我国人脸形的生物防护口罩 ,选择有代表性人群 ,对人的面宽、面长、颧点距、鼻中宽和鼻中高等参数进行了精确测量。
3) nucleation density
形核密度
1.
The diamond nucleation density is remarkably improved on WC-Co substrate by Copper/Titanium intermediate layer.
Cu/Ti作过渡层明显的提高了金刚石在硬质合金基底上的形核密度。
2.
The nucleation density is more than 107cm-2 on Al2O3 and YG8 at 700~900℃, while less than 106 cm-2 on steel T10 with chromizing layer.
硬质合金和三氧化二铝的热稳定性都比钢渗铬层好,在700~900 ℃能获得107cm-2以上的形核密度,而钢渗铬层超过800 ℃后,形核密度低于106 cm-2。
3.
The results show that the nucleation density drastically increases when the carbon concentration is between 2% and 3%,while the nucleation density is quite low as carbon concentration is lower than 2%.
采用热丝化学气相沉积(HFCVD)方法在Mo基体上沉积金刚石薄膜,使用扫描电镜(SEM)和X射线衍射(XRD)对薄膜样品进行分析检测,研究了表面形核密度随碳源浓度的变化。
4) shape-density
形状密度
1.
A direct verification supporting the neutron halo structure is found by inspcecting the one-body density and the shape-density.
在９Ｌｉ＋ｎ＋ｎ模型的结构中运用适合于丰中子核１１Ｌｉ的变分计算，可以得到ＲＭＳ半径，结合能和粒子间的关联，由检验一体密度和形状密度可以找到支持中子晕结构的证据。
5) linear density
线形密度
6) Face encryption
人脸加密
补充资料：脸形
脸的形状：～端正ㄧ长方～。也作脸型。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条