孔

At last, feasibility of using powder metallurgy material for micropore filter is analyzed in theory, and the recondition control structure and fundamentals of powder metallurgy micropore filter are designed.

从理论上分析了使用粉末冶金微孔过滤器作为排气微粒净化的可行性，并设计了粉末冶金微孔过滤器的再生控制结构及原理。

By controlling the concentration of H3PO4 at a lower level, hemp stem-based activated carbons with more than 70% microporosity can be obtained, and the mesoporosity increased as the temperature rises.

磷酸浓度较低时，可制备出微孔率高于70%的汉麻秆活性炭，并且，随着温度的升高，中孔数量增多。

The microporosity of the resin prepared by the invention achieves 60-95%; the micro-hole has uniform distribution and has obvious single peak characteristic and obvious separation effect on the organic matters with identical chemical structure type and different molecule sizes, and can be effectively used for disposing and recycling corresponding organic wastewater.

由本发明制备得到的这种树脂的微孔率达到60～95％，孔分布均匀，具有明显的单高峰特征，对于化学结构类别相同而分子尺寸不同的有机物有明显的分离作用，可有效的用于处理并资源化相关有机废水。

Our investigations indicate that the structure of the micropyle changes with the different stages of the reproductive process, and becomes asymmetrical during pollination.

我们对黄檗胚珠的珠孔的形态发育研究显示，在不同的生殖时期，珠孔的结构会发生变化，在传粉时期它的结构显示不对称性。

In 30 seconds, 86% of sperm entered micropylar canal along the grooves around the micropyle; TEM image of a section through the micropylar center was obtained.

在授精开始的30秒内，测得卵膜附近约86%的精子沿着凹沟进入精孔管；还拍摄到了通过卵孔中心的纵切面映象。

Porogamy The usual method of fertilization in angiosperms in which the pollen tube enters the ovule by the micropyle.

珠孔受精：被子植物通常的受精方式。花粉管通过珠孔进入胚珠。

This kind of structure of micropyle has been proved by computer simulation to be favourable for the sperm to agglutinate and enter the micropyle. So, another kind of teleost is found after Misgurnus anguilicaudatus, in which exist unnegligible mechanical dynamic factors besides the chemical one during the sperm entry into the micropyle.

通过电子计算机模拟，验证了卵膜孔的这种结构，为精子的云集和进入精孔管所提供的有利条件，从而，于泥鳅之后又发现了一种真骨鱼，其精子入卵除化学因素外，还存在着不容忽视的机械动力因素。

Deserticola showed polarity, with the micropyle cells being smaller than the chalazal ends and differentiated into white radicle-like organs.

肉苁蓉种胚具有明显的极性，珠孔端细胞小于合点端，珠孔端细胞分化、生长并产生白色的类胚根状结构。

Then, the concept of changeable shrinkage design is initialized. After analyzing the influence of gap ration on the deformation of major and minor axis, the K〓 span is obtained.

利用建立的有限元模型，探讨了扁挤压筒内腔位移分布情况和内孔变形规律，提出了变过盈量设计的概念，并对缝隙度K〓对内孔长短轴变形的影响作了分析，得出K〓的取值范围。

Molder is not allowed, big and can be filled worm hole allowed.

不允许腐朽，允许大的可修补的虫孔，不允许小虫孔。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。