气孔的

In this way, it is easy to distinguish the upper from the lower side of plant epidermis and pike a proper point precisely.

通过对传统的植物叶片气孔观察方法的改良，建立了一种观察单子叶植物气孔的有效方法。

Responses of stomata to different concentration of NaCl stress (0,50,150,300 and 500 mmol · L-1), stomatal movements and differentiation of different phyllotaxyleaves after long time treated with 300 mmol · L-1 NaCl were investigated using the Amaranthus tricolor L.

为材料，研究了不同浓度（0、50、150、300、500 mmol · L-1）NaCl 处理后气孔的应答反应和300 mmol · L-1 NaCl 长时间处理后对不同叶序叶片气孔开闭和分化的影响。

A new type of high-birefringence photonic crystal fiber is brought forward, and the method introducing circinal holes with different sizes or elliptical holes which is used to design high-birefringence photonic crystal fiber is replaced by introducing fluorine-doped solid circles.

提出了一种新结构的高双折射光子晶体光纤，通过引入掺氟实心圆的方式形成双折射，而不采用大多数高双折射光子晶体光纤中引入不同孔径空气孔或椭圆空气孔的结构。

In general no porosity is observed in the seam when the length of claviform intermetallic compound is less than 10 μm. Moreover, the microstructure in the seam plays a key role in the diameter of the pore.

界面棒状的金属间化合物长度低于10 μm时一般不产生气孔，而气孔的直径与焊缝内部的微观组织有关。

Common Vicia faba stomata was more sensitive to formaldehyde than that of Songzi green Vicia faba.

结论］普通蚕豆叶片气孔对甲醛污染的反应比松滋青皮蚕豆叶片气孔的反应更敏感。

The results shown that, for the typical kind of photonic crystal fibers with hexagonally arrayed circular air holes, the band gap of acoustic wave of XY mode appears only when the air holes' filling rate is greater than certain threshold value, and the upper and lower boundary values of the band gap decrease with the increasing of the air holes' filling rate.

结果表明，对于较为常见的空气孔排列为六角密排结构、空气孔形状为圆形的实芯光子晶体光纤，只有当空气孔的填充率大于一定阈值时才出现较明显的XY模态声波的带隙，并且最低与次低带隙的上下边界均随空气孔的填充率的增大而下降。

Black-ink-filled, the size of the havocin blowhole and changed the inspectable.

充墨时，破坏了气孔的大小，改变了气孔尺寸。

The stomatal size, the stomatal index and the stomatal density showed some differences, but no significant regularity.

在气孔的大小、气孔指数和气孔密度上表现出一定差异，但没有明显的规律。

"We provide dummy vents, so no one knows what vents to go into," Rigdon said.

& &我们提供了封闭的排气孔，所以没有人知道排气孔的出口，Rigdon说。

In order to reveal the reasons of forming pore in hydroxyl terminated polybutadiene/ammonium dinitramide/ammonium perchlorate/aluminium (HTPB/ADN/AP/Al) composite propellants, a series of propellant samples containing ADN and triethanolamine, triethanolamine trifluoroboron complex (T-313), tris(2-methylaziridinyl)phosphine oxide, isophthaloyl-bis-(2-methylaziridine)(HX-752) were prepared, and the components of reacting with ADN and forming pore were confirmed,and the reaction mechanism was analyzed by DSC/TG-IR/MS.

为揭示HTPB/ADN/AP/Al推进剂产生气孔的原因，制备了一系列含ADN和TEA、T-313、MAPO、HX-752等键合剂的推进剂样品，试验确定与ADN反应产生气孔的组分，并通过DSC/TG-IR/MS联用仪分析了产生气孔的反应机理。

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。