气孔的

Microstructure fiber at different positions during the preparation of the air hole deformation analysis!

微结构光纤制备过程中不同位置空气孔的形变量分析！

They make these sounds by rapidly opening and closing their blowhole.

它们用快速开闭气孔的方式来发出这些声音。

Through an in-depth analysis of modification theory for the top profile together with its purpose, the modification principle and the design principle of the discharge port are presented. The boundary curve equation of the maximal area of discharge port is deduced in theory and the corresponding mathematical model is established.

通过对齿端修正理论及目的的深入分析，确定了齿端修正的原则，并提出了型线齿端修正的涡旋压缩机排气孔的开设原则，详细分析了排气孔理论上最大开设区域，并推导了区域边界方程，建立了相应的数学模型。

It is concluded that mixture of deoxidant elements, reduction of oxygen and hydrogen source and improvement of escaping condition of oxygen from surfaced layers can prevent surfaced layers of copper-nickel alloy from producing gas holes efficiently.

本文分析了铜镍合金堆焊时所产生的气孔的主要原因及影响因素，认为粉末中脱氧元素的加入；减少氢、氧的来源；改善氢、氧从堆焊层中的逸出条件可有效防止铜镍合金堆焊层中气孔的产生。

This paper also analyses the effect of water deficit on water use, yield, fruit quality, crop coefficient, water use efficiency and economical benefit, and achieved the followings:⑴The research of the water deficit treatment and rewater domino effect significantly test that proper water deficit can regulate and control stomal open degree efficiently, reduce the overtranspiration of leaves, stimulate the compensating effects.

更多水效应研究，进一步证实了适度水分亏缺可以有效调控梨枣树叶片气孔开度，降低叶片过多的蒸腾耗水，并刺激树体诱发补偿效应，初步揭示了调亏灌溉提高果树叶片水平水分利用效率的机理与水分亏缺引起的&干湿交替过程&对气孔的调控机理，从果树生理角度进一步证实了调亏灌溉的节水机理。

The characters in Impatiens, such as shape and lenghth of stomata, T-thickening at the polar region of guard cells and ornamemtation of leaf epidermis are more important between species and can be used one of the taxonomically important characters of Impatiens.

叶表面纹饰，气孔的形状、大小及气孔保卫细胞两极&T&型加厚等特征在种间具有一定的差异，可作为该属植物分类的重要特征之一文中还探讨了叶表皮微形态学特征在凤仙花属分类中的意义及有关紫花黄金凤的分类学地位间题。

The reason of gas-hole defects occured in steel casting for molding eroduction line was analyzed.

结合多年的生产实践，分析了湿型砂水平造型生产线上铸钢件产生气孔的原因，介绍了预防铸钢件气孔的措施。

Result There were some differences among the four species in the morphology, the size, the surface protuberance, the germ pore of pollen grain and the leaf epidermal stomata, in which diploid Thinopyrum elongatum was obviously different from the other three.

结果］4种植物在花粉粒形态、大小、表面突起，萌发孔和叶表面气孔大小方面存在一定的差异，其中二倍体长穗偃麦草与其他3种植物的花粉粒和气孔的微观特征差异明显。

The two species are similar in stomatal character and in the absence of accessory transfusion tissue, but they are very different in stomatal distribution, pinna venation pattern and pinna marginal shape, presence or absence of mucilage canal, differentiation of palisade and spongy parenchyma, characteristics of girder parenchyma and epidermal anticlinal wall.

两个属在气孔器特征与不具副传输组织方面极为相似，而在气孔的分布、羽片脉序式样与叶缘形态、粘液道的有无、海绵组织与栅栏组织的分化、工字厚壁组织与表皮细胞垂周壁特征方面则有较大的差异。

The guard cells were covered with heavy cuticle and sunken stomata, which were the typical characteristics of xerophytes.

麻黄属植物气孔的类型及特征比较固定和保守，气孔的大小、形状仅在种内有变异，种间差异较小，分种的价值不大，但在植物分类上具有重要的鉴定价值。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。