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1)  leaf area table
叶面积表
1.
To measure the leaf area coefficient and productivity more conveniently,this paper draws up an useful leaf area table.
为了便于测定叶面积系数和生产率,编制了有使用价值的叶面积表
2)  foliage-ratio surface area
叶比表面积
3)  specific leaf area
比叶面积
1.
Relation between specific leaf areas and leaf nutritent contents of plants growing on slopelands with different farming-abandoned periods in the Loess Plateau;
黄土高原不同退耕年限坡地植物比叶面积与养分含量的关系
2.
Photosynthesis in relation to leaf nitrogen,phosphorus and specific leaf area of seedlings and saplings in tropical montane rain forest of Hainan Island,South China;
海南岛热带山地雨林幼苗幼树光合与叶氮、叶磷及比叶面积的关系
3.
Concentrations of PAHs in leaves of six dominant species in the Pearl River Delta of South China were determined with gas chromatography and mass spectrometry(GC-MS),and synchronously leaf-lipid contents,leaf areas,specific leaf areas(SLA) were measured.
应用气相色谱-质谱联用方法测定了珠江三角洲地区6种主要树种叶片多环芳烃(PAHs)的含量,并对相应的叶脂含量、叶面积、比叶面积进行了测定,探讨了叶片PAHs含量特征和种间差异的影响因素。
4)  leaf area
叶面积
1.
The leaf area index measurement of Drepanostachyum ludianense;
小蓬竹的叶面积指数测定
2.
Effects of fertilizing and sowing amounts on the increase of leaf area and the accumulation of dry matter of Elymus sibirlius L.cv.Duoye;
施肥量和播种量对当年播种的多叶老芒麦叶面积增长和干物质积累的影响
3.
Modeling of the leaf age and leaf area per plant in winter barley;
冬大麦叶龄与单株叶面积模拟的研究
5)  leaf area
叶片面积
1.
Measurement of plant leaf area;
植物叶片面积的测定方法
2.
Research on measurement of realistic planting leaf area based on machine vision;
基于机器视觉的现实叶片面积测量方法的研究
3.
A new method for leaf area measurement based on the algorithm of image characteristic value was studied in this research.
应用扫描图像RGB三原色灰度值分离理论,根据植物叶片扫描图像像素点的分布特征,选用蓝色灰度值作为特征值,以扫描图像灰度中间值127作为叶面积图像与背景图像灰度值的判读指标,通过叶片像素点的分布比例计算叶片面积。
6)  Flag leaf area
旗叶面积
补充资料:比表面积
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CAS号:

性质:单位体积或单位质量固体的表面积,通常用1g固体的总表面积表示。由于制备条件的不同,固体与气相接触的表面大小可有很大差异。多孔性和细碎性固体的表面积包括内表面和外表面,内表面由其内部孔隙和裂缝缝隙面积构成,外表面是固体外部的几何面积,二者之和为总表面积。比表面通常用物理吸附法测定,如BET容量法、重量法、流动色谱法等。有时也可用液相吸附法测定。对比表面大于1m2/g的样品常用低温氮吸附容量法或流动法,而小表面则用低温氪吸附法。对于非孔性固体,也可根据测出的粒子大小计算比表面。

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