1) air to surface area ratio
风面比
2) surface area to volume ratio
比面
1.
This paper used rock-capillary model to simulate the formation pore volume,and derives the variation equation between paraffin precipitation and formation parameters using the correlation among surface area to volume ratio,porosity and permeability,etc.
根据岩石—毛细管模型,以及地层孔隙度、渗透率和比面的关系推导出了石蜡沉积以后的孔隙度和渗透率的变化公式,并通过实例计算证实石蜡沉积以后,地层的孔隙度和渗透率都有不同程度的下降。
3) face ratio
面比
1.
Based on the existence of the chemical phases of Zn_3(PO_4)_2·4H_2O,area integrals or intensities of the Zn_3(PO_4)_2·4H_2O phase from the faces of(020)and(241)are obtained and face ratio of phosphide tunica of the samples can be calculated.
利用X射线粉晶衍射仪对金属板材及其磷化膜进行全谱和分段扫描,在确定镀膜中存在Zn_3(PO_4)_2·4H_2O物相基础上,求出Zn_3(PO_4)_2·4H_2O的(020)晶面和(241)晶面衍射峰积分或强度计数,计算出该样品磷化膜的面比。
4) surface to surface ratio
面面比
1.
Compactness Analysis of Gasoline Engine Combustion Chamber by Surface to Surface Ratio;
以面面比对汽油机燃烧室紧凑性进行研究
5) tuyere ratio
风口比
1.
The influence of parameters such as wind supply furnace gas, distribution ratio of tuyere and tuyere ratio on smelting effect is analyzed.
从提高铁水温度、节约能源角度出发，对３ｔ／ｈ二排大间距冷风冲天炉进行了较全面的测试，分析了炉膛结构、风口比和风口分配比、送风强度、炉气成分和碳耗等因素对熔炼效果的影响，为二排大间距冷风冲天炉的合理使用提供了实践依据和理论说明。
6) competing risks
对比风险
1.
Factors influencing recurrence of patients with primary breast cancer using competing risks analyses;
应用对比风险模型分析影响乳腺癌复发的预后因素
补充资料：赤面风
赤面风
赤面风 病名。系指面部皮肤病。出《外科活人定本》卷二。由心肝二经血气上壅，复感风热，郁阻肌肤而成。初起面部发痒，继则灼热肿胀。治宜凉血、清热、解毒。内服清胃散加银花、连翘，或升麻解毒汤，外搽一扫凉散。本病类似今之过敏性皮炎。
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