气孔的例句大全

However the laser cladding of iron-based alloy brings some problemsas crack, oxidation , burning loss, hole.

工艺的选择等方面着手解决了铁基合金的激光熔覆中存在的容易开裂 、 容易氧化 、 容易产生气孔等问题.

互联网摘选

The Sensitivity of Adaxial and Abaxial Stomatal Resistance in Wheat Leaf to Soil Water Stress

冬小麦近轴和远轴叶面气孔对土壤水分胁迫反应的敏感性

互联网摘选

The Effect of Coating on Blowholes in Centrifugal Cast Alloy Steel Pipe

涂料对离心铸造合金钢管气孔的影响

互联网摘选

Effect of rare earth elements on the formation of gas Blowholes in cast aluminum alloy

稀土对铸铝合金中气孔形成的影响

互联网摘选

Analysis of Primary Factors of Subsurface Blowholes in Nodular Cast Iron and its Prevention

球铁件形成皮下气孔的因素分析及其防止措施

互联网摘选

Blowholes in the Steel Casting Produced in Lime Sand Mold

关于石灰石砂铸钢件的气孔

互联网摘选

Photosynthetic rate, relative cell membrane conductivity, proline content and stomatal open state were determined in field plants than test-tube plantlets of almond ( Amygdalus communis).

对扁桃砧木Hansen试管苗和大田苗的光合速率、细胞膜透性、脯氨酸含量、气孔的开张度进行了测定。

互联网摘选

Responses of photosynthetic rate and stomatal conductance to water stress in Soybean Leaves

大豆光合速率和气孔导度对水分胁迫的响应

互联网摘选

The net photosynthetic rate was in accord with both stomatal conductance and water potential.

净光合率的提高与气孔导度及水势的提高有一致趋势。

互联网摘选

Net photosynthetic rate, stomatal conductance and water use efficiency reduced and intercellular CO2 concentration and transpiration rate increased under phosphorus stress.

净光合速率、气孔导度和水分利用效率降低，而胞间CO2浓度和蒸腾速率升高。

互联网摘选

The density of stoma in the down-epidermis was bigger than the up-epidermis, the two sides of the leaf had corneous layer.

叶为异面叶，表皮毛为多细胞型，下表皮气孔密度多于上表皮，上下表皮均有角质层。

互联网摘选

The results showed that capillary crack was formed from the surface cavity of billet in the process of high temperature heating-rolling and cavity and sliver defects were formed due to part melting of seating face of heavy rail.

分析结果表明：发纹缺陷是由方坯表面气孔经高温加热-轧制演变成的，掉肉和小裂口则是因重轨踏面局部融熔所造成的。

互联网摘选

The Water absorption ( Wa), Porosity ( Pa), Bulk density ( D) and crushing strength, acid resistance, alkali resistance have been tested.

测试了样品的吸水率、气孔率、体积密度以及压碎强度和耐酸耐碱性。

互联网摘选

The influence of α-Al2O3 micropowder additions on permanent linear change, apparent porosity, cold crushing strength and slag resistance of MgO-Al2O3 based castable is studied in this paper. By EDAX analysis, the mechanism of slag corrosion is investigated.

研究α-Al2O3微粉加入量对钢包渣线用镁铝质浇注料线变化率、显气孔率、耐压强度和抗渣性能的影响，借助EDAX分析，探讨了浇注料的渣蚀机理。

互联网摘选

With increasing elevation, the leaf area, leaf thickness, palisade mesophyll thickness, spongy mesophyll thickness, stomatal area, epidermis cell area and pubescence density were increased, while cutin membrane thickness, epidermis cell density, pubescence length, and stomatal density were decreased.

mm-2.随海拔升高叶面积、叶厚度、栅栏组织和海绵组织的厚度、气孔器面积、表皮细胞面积以及表皮毛密度呈增加趋势，而角质膜厚度、表皮细胞密度和表皮毛长度则呈减小趋势；

互联网摘选

This paper particularly introduces how to reduce two main welding defeat made in resistance spot welding for VDSS: blistering and gas expulsion holes.

前言：本文重点介绍了如何减少V DSS钢板点焊时容易产生的两种主要焊接缺陷：鼓包和气孔；

互联网摘选

Casting Technique of the Aluminum Alloy Right Box and Prevention of Slag Blowhole Defects

铝合金右箱体铸造工艺及渣气孔缺陷防止

互联网摘选

Main Elements of Secondary Blowhole in Silicon and Aluminum Alloy

影响铝硅合金中二次气孔的主要因素

互联网摘选

Study of Influence Factors on Surface Blowhole in Ductile Iron Casting

球铁件皮下气孔影响因素的研究

互联网摘选

Study on Making Use of Graphitizing Expansion to Eliminate Surface Blowhole of Ductile Cast Iron

利用石墨化膨胀消除球铁皮下气孔的研究

互联网摘选