The exocarp was composed of one layer epidermis, stomata and lenticel which was developed from dermatogen and the mesocarp was composed of parenchyma and vascular bundle.
皮孔由表皮母细胞直接分裂形成。
According to the borehole diameter shortening and drilling tool jamming accident in Yilan,the basic reason was thought to be rapidlythickening mud cake on the wall of borehole in crack development in some rock stratum with high permeability and absorbency,but not to be rock expanding.
针对依兰煤田钻探施工中出现的钻孔缩径挤夹钻具事故,提出产生事故的根本原因不是因岩层本身膨胀所致,而是由于某种岩层裂隙发育,渗透性良好,吸水性强,使钻孔孔壁泥皮迅速增厚所致,并提出预防事故的具体措施。
Discussing various influence factors of ductile iron's surface blowhole defects indicates that bringing various gases in the molten metal or on the interface with the sand mould is inevitable.
对影响球墨铸铁件皮下气孔的各种因素分析表明,铁液中气体的产生有其必然性,通过减少气体的发生量以防止皮下气孔的方法并不是都能奏效。
After summarizing some tests having been done by others, it is found that MgO plays an important role in forming surface blowhole in ductile iron casting.
通过对前人所做皮下气孔试验的总结,认为MgO的存在是产生这一缺陷的关键因素,并就相关现象进行了理论分析。
After summarizing some tests having been done by others,it is found that MgO plays an important role in forming surface blowhole in ductile cast iron.
通过对以往所做皮下气孔试验的分析总结,认为MgO的存在是产生该缺陷的关键因素;设计了新的试验方案、给出了试验结果;在对相关现象进行了理论分析的基础上,提出了MgO促进皮下气孔形成的机理,同时讨论了生产实践中常见的解决方案。
The general morphology features of pinhole defect was described;some view points on the formation mechanism of pinhole was proposed.
介绍皮下气孔常见特征;对产生皮下气孔的形成机理进行分析;结合生产实践提出了消除皮下气孔缺陷的措施,包括减少气源和改善排气。
Gaseous excretion takes place by diffusion through the stomata and lenticels.
气体通过气孔或皮孔释放的方式排出。
Aggregate long ellipsoid, 13 cm long, 9 cm in diameter; pericarp with glaucous lenticels.
聚合果长椭球形，长达13厘米，直径约9厘米，外果皮有苍白色皮孔。
His face pouched and seamed.
他的面孔肉松皮皱。
He makes a small hole in the belt with a leather punch.
他用打孔器在皮带上钻了一个孔。
He make a small hole In the belt with a leather punch
他用打孔器在皮带上钻了一个孔
Like human skin, soil has holes that are called pore.
就像人类的皮肤一样，土壤也有小孔被叫做气孔。
The results show that stomata are found in all abaxial epidermis, but not in adaxial epidermis;
结果表明:叶下表皮均有气孔器,上表皮均未发现气孔器;
Cover with ring in it which fit into special hole make in sheet of paper
带特别孔的纸中装入带环眼的硬封皮
To excrete perspiration through the pores of the skin.
出汗，流汗通过皮肤上的毛孔排泄汗液
the hard fibrous lignified substance under the bark of trees.
树皮下坚硬多孔的木质化物质。
pliers for perforating paper or leather.
用来给纸或皮革打孔的钳子。
a minute epidermal pore in a leaf or stem.
叶子或茎上的表皮小气孔。
Sweat exudes through the pores in the skin.
汗从皮肤上的毛孔中渗出。
He was pasting up the holes in the glass with brown paper.
他用牛皮纸把玻璃上的洞孔贴起来。
What it can do: Dissolve pore-blocking debris.
功效：可溶解堵塞毛孔的皮肤碎屑。
I want to punch a new hole in the belt.
我想在这条皮带上打一个新孔。
All sponge rubber packing for watertight doors need to be renewed.
所有水密门的多孔橡皮密封垫换新。
Macromolecule Transport Through Epidermis by Electroporation;
大分子经皮转运的电穿孔技术的研究
