气孔

在暴风雨中，水从出气孔中喷射出来，就像鲸鱼喷水一样。

In a storm , water spouts out of the blowhole just like a whale .

用此工艺连续生产76件，总重230t，铸件加工后，没有缩孔、缩松、气孔、渣孔缺陷，全部合格。

There are seventy-six eligible castings to be produced by using the technology without shrinkage , porosity shrinkage , blowhole and slag inclusion after machining .

植物的肺就是其叶片上微细的气孔。

A plant 's lungs are the microscopic pores in its leaves .

这些分析取决于非气孔蒸腾和温度这样一些可能混淆的因素。

These analyses depend on a number of potentially confounding factors such as nonstomatal transpiration and temperature .

植物为减少水分散失的一个适应特征，气孔位于下表皮凹入的位置。

An adaptive feature of plant to reduce water loss ; the stoma is enclosed in crypts on the lower epidermis .

笛子有6个吹气孔，奏出的声音响亮清脆。

These flutes have 6open holes and a lovely bright sound .

我不由自主会注意到墙上那个紧挨着房顶的2×2英尺大的气孔，那气孔通向这个如迷宫般的建筑的各个地方。

My eyes would always be drawn11 to the 2 x 2 foot air vent1 on the wall where it met the ceiling and went on through the labyrinth12 of the building .

CO2浓度对桑叶光合速率、蒸腾强度及气孔传导率的影响

Influence of co_2 concentration on net photosynthetic rate , transpiration rate and stomatal conductance of mulberry leaves

ABA和H2O2在NaCl诱导的气孔关闭中的作用

The Roles of ABA and H_2O_2 in NaCl-Induced Stomatal Closure in Arabidopsis Guard Cells

气孔指数还表明，上新世晚期大气CO2浓度较低，略低于目前水平。

The stomatal data also demonstrate slightly lower Paleo-CO2 concentration in the Late Pliocene than today .

自保护药芯焊丝焊缝中不容易产生氢气孔和CO，CO2气孔。

Hydrogen gas pore and CO / CO2 gas pore are not easy to form in FCAW-S weld .

外施CO2时光照度对大花蕙兰试管苗生长和叶片气孔特征的影响

Effects of light intensity on the growth and leaf stomata characteristics of Cymbidium hookerianum shoots in vitro under CO_2 enrichment

银杏（Ginkgobiloba）叶表皮特征及其气孔的发育

The epidermal characters and stomatal development of Ginkgo biloba

榉属和水杉属的叶片气孔频率对大气CO2浓度变化的响应

The Epidermal Characters of Zelkova ( Ulmaceae ) and Metasequoia ( Taxodiaceae ) and Their Stomatal Responses to Atmospheric CO_2 Concentration Change

水分利用效率的高低主要决定于叶片光合速率的大小，同时受到细胞间隙CO2浓度以及气孔导度的影响。

Water use efficiency is mainly dependent on leaf photosynthetic rate , as well as CO2 concentration in cell clearance and stomatal conduction .

结果显示，水分胁迫导致3个近等基因品系叶片净光合速率、气孔导度、蒸腾速率降低，胞间CO2浓度在轻度和中度胁迫下降低而在重度胁迫下升高；

However , intercellular CO_2 concentration ( Ci ) decreased under slight water stress and increased under severe water stress .

共聚焦显微技术研究SA对蚕豆气孔保卫细胞的影响

Effect of Salicylic Acid on Stomatal Movement in Guard Cell of Vicia faba by Laser Scanning Confocal Microscopy

吹气孔直径对RH精炼过程钢液流动和混合特性的影响

The Effects of Port Diameter on Flow and Mixing Properties of Molten Steel during RH Refining Process

CO2浓度升高和干旱胁迫均使叶片气孔阻力增大，蒸腾速率下降。

With the in crease of CO 2 concentration and drought stress , the leaf stoma resistance increase and transpiration rate decrease .

外施Spd可促进叶绿素含量、光合速率及气孔导度增加。

Exogenous spermidine enhanced the content of chlorophyll , Pn , Gs .

叶片的气孔导度各降低79.6%和29.4%，胞间CO2浓度降低22.3%和2.5%。

The leaf stomatal conductance of the infected plants dropped by 79.6 % and 29.4 % , the intercellular CO2 concentrations by 22.3 % and 2.5 % .

高性能轻骨料（HLA）具有独立的微小球形气孔，强度高而吸水率低，即使在真空或压力条件下，吸水率仅为5%；

? High performance lightweight aggregate ( WA ) has disconnected spherical pores , low water absorption and high compressive strength .

低磷胁迫下玉米叶片的净光合速率、气孔导度和蒸腾速率也显著下降，胞间CO2浓度升高。

The results were shown that phosphorous starvation decreased net photosynthetic rate , stomatal conductance and transpiration rate , but increased intercellular CO2 concentration .

当蒸腾拉力（F）大于输导阻力（R）时气孔开始振荡并使振幅逐渐加大；

The stomatal oscillation is initiated and its amplitude is being enhanced when the transpirational pulling force ( F ) is larger than the resistance ( R ) .

许多研究结果表明，较低的蒸腾速率（Tr）与〔CO2〕增加导致气孔关闭有关。

The results of many studies indicate that lower transpiration ( Tr ) is associated with high induced stomatal closure .

该文测定并研究了不同水分处理下，不同黑杨无性系的长期水分利用效率（WUEL）、叶片δ~（13）C、光合作用、气孔及其相互关系。

Foliar carbon isotope composition (δ ~ ( 13 ) C ), long-term water use efficiency ( WUE_L ), photosynthesis , and stomata of different Populus deltoids clones were studied under different water treatments .

H2O2、NO、Ca～（2+）和PK在光/暗调控蚕豆气孔运动中的作用及其相互关系

Role and Relationship of H_2O_2 , NO , Ca ~( 2 + ) and PK in Light / Dark-regulated Stomatal Movement in Vicia Faba

植株叶片蒸腾作用、呼吸作用和气孔导度都降低（IAA处理2h后）。

As determined 2 h after IAA treatment , transpiration rate , respiration and stomatal conductance all decreased .

在干旱胁迫条件下，脱落酸能够通过阻止气孔开放和诱导气孔关闭而减少水分的散失。聚乙二醇可以模拟干旱胁迫条件，从而调控植株ABA的合成以响应环境的改变。

Responding to drought stress , ABA regulates stomatal aperture by inhibiting stomatal opening and inducing stomatal closure in guard cells .

基于视觉的MAG焊气孔缺陷图像特征初步探讨

Preliminary discussion about image character of gas pore in MAG welding based on vision sensing