查询词典 surface area

Nevertheless, due to the increase of the surface area and activity, the possibility of hydrogenolysis also increases so that more chloroform are generated with the use of nano-scale particles than with the micro-scale particles.

然而由於尺寸缩小，反应活性亦加大，奈米锡在水中对氢离子的竞争性提升，因此加强了氢解反应的发生机率，造成奈米化金属系统三氯甲烷的产率较粉末状金属系统高出许多。

Methods 174 eyes with mycotic corneal ulcer were divided into two groups according to presence or absence of perforation and their prognosis, course of illness, surface area of ulceration, hypopyon, intraocular pressure, microbial spectrum were compared.

回顾性分析近 3年来的 174例真菌性角膜溃疡病例，依据其转归分为穿孔组及未穿孔组，比较两组预后、病程、溃疡面积、前房积脓、眼压及菌种等方面的差异。

Filtering materials in the form of very fine powders exhibit greater surface area than coarser granules.

以非常美好的粉末的形式过滤的材料比更加粗糙的粒子陈列更加巨大的表面。

BODY MASS INDEX is a single number which expresses a relationship between height, body surface area, and body weight.

身体质量指数是一个单一的号码，表示一之间的关系的高度，体表面积，体重。

Those carbon materials exhibit high surface area, well- defined pore size, high thermal stability, flexible framework composition and chemical inertness.

这类碳材料有很高的表面积，均匀可调的孔径，高的热稳定性，可变的结构组成以及高的化学稳定性。

The physicochemical properties of AC, such as high specific surface area, good electrical and thermal conductivities as well as the chemical inertness make it gain extensive attentions.

它具有比表面积大、导电和导热性佳、化学稳定性好、价格便宜等特点，受到了人们的广泛关注。

The general formula to calculate the rotating surface area which is shaped by rotating the curve c in xoy plane around the L-axis by using curve integral.

依据所证得的通用计算公式推证得到，在某些特定情形下利用定积分计算旋转曲面面积的具有针对性的公式。

Based on the Guldin's first theorem, it was deduced that the general formula to calculate the rotating surface area which is shaped by rotating the curve Г in a plane around the L-axis in the space by using curve integral.

依据古鲁金第一定理推证，得到利用曲线积分计算空间某一平面上的曲线Г绕直线L旋转而成的旋转曲面面积的通用公式；利用曲线积分计算xoy面上的曲线c绕直线L旋转而成的旋转曲面面积的通用公式。

Interspecific variation in leg membrane size is from 0% to 60% of the surface area of the meral segment.

在瓷蟹科生物中，可以看到一个不寻常的气体交换方式，是在其步足上的长节部份，有个去钙质的区域被用以作为气体交换的构造。

Dr Zhang, who did his undergraduate degree in Shanghai before moving to America, thought iron filings, which have a large surface area, might provide a cheap alternative.

他认为铁粉的比表面积大，可以作为纳米铁的替代物，在中国只需20美分1千克，要廉价很多。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。