气孔的

Square and triangular lattice of air holes Varying dispersion characteristics of micro-fiber comparison of the article: Wu Jinqing Xuewen Rui Zhou Guosheng, Category: Mathematics Science / Natural Science, file Abstract: Daquan Chinese newspapers and magazines, collecting more than 7000 kinds of description ...

方形和三角形格点分布渐变空气孔微结构光纤的色散特性比较》文章作者：武劲青薛文瑞周国生，分类：数理科学/自然科学，文件摘要：中国报刊杂志大全，搜集介绍7000多种。。。

The effect of the roasting temperature on the properties of filter material such as pore size distribution,specific surface area and open porosity rate was investigated.

研究了焙烧温度对滤料孔径分布、比表面积、显气孔率等性质的影响。

Pion pines respond to drought by closing the pores in their needle-like leaves to stop water loss.

矮松通过关闭它们的针状气孔来避免水分流失以抵抗干旱。

We also investigated the stomatal indices and carbon isotope composition of fossil angiosperm leaves, and then calculated paleo-CO_2 level and phytophysiological parameters in Pliocene.

根据被子植物叶片的气孔指数和碳同位素组成对古大气CO_2浓度和植物古生理参数进行了定量重建。

A little pumice and alcohol will take care of the unfilled grain.

对于没有填好的木纹气孔，用一点浮石粉和酒精就能很好解决。

The YAG transparent ceramic shows high density and low porosity, while the shape of the grains is regular polygon with the size of about 2.5μm.

显微观测表明，烧结体气孔含量极低，结构致密，其晶粒形状为规则的多边形，平均尺寸为2.5μm左右。

Result］The results indicated that the photosynthesizes rate, transpiration rate, water use efficiency, stomata conductivity of 3 clones robinia seedlings had the significant difference.

结果］结果表明，3个无性系的净光合速率、蒸腾速率、水分利用效率和气孔导度之间差异明显。

Correlation analysis showed that meteorological variables, such as containing water rate of sandland, photosynthetic available radiation, air temperature, saturated water vapour pressure difference, and physiological variables, such as leaf area index, leaf temperature, stomatal conductance, affected transpiration of S.

相关分析结果表明，环境因子，如沙地含水率、太阳有效辐射、大气温度和饱和水汽压差，以及植物因素，如叶面积指数、叶片温度和气孔导度等，均能显著影响沙柳的蒸腾作用。

They may cling to air holes and look like very fine sawdust.

他们可能固守空气孔，样子非常细微的木屑。

Then another secondary sound hole is requested to set for the rear vent of the unidirectional microphone to receive sound.

另需一个副音孔，供单指向麦克风的后气孔收音用

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐