气孔密度,stomatal density
1)stomatal density气孔密度
1.Responses of stomatal density and distribution in leaves of Artemisia sphaerocephala krasch to drought stress under electric field treatment;电场处理后白沙蒿气孔密度及分布对沙地干旱胁迫的响应
2.Under elevated CO2,the stomatal density increased slightly(P&.01);成年叶片气孔在高浓度CO2影响下,气孔密度略有升高(P>0。
3.Many studies have reported that increases in atmospheric CO 2 concentration ([CO 2]) lead to decreases in plant stomatal density (SD) and stomatal index (SI).许多研究表明 ,大气 CO2 浓度 ([CO2 ])的升高会导致植物气孔密度 (Stom atal Density,SD)和气孔指数 (Stom atal Index,SI)降低。
英文短句/例句

1.Stomatal Density of Leaf Layers in Crown of Some Broad-Leaf Species and Effects of Light Conditions on Them若干阔叶树树冠各层叶气孔密度及光照条件对气孔密度的影响
2.The stoma density of diploid is thicher than spur type.二倍体气孔密度大于三倍体,普通型大于短枝型;
3.A Comparative Study of the Density of Fagus Pashannica Seedlings in Different Habitats;不同生境的巴山水青冈幼苗气孔密度比较研究
4.Change of Stomatal Density and Opening Degree of Poa pratensis L. Treatment with S_(3307)S_(3307)处理对草地早熟禾叶片气孔密度和开度的影响
5.Molecular Cloning and Characterization of SDD1 Gene Related to the Stomatal Density and Distribution of Isatis Indigotica;菘蓝中气孔密度和分布相关的SDD1基因克隆及研究
6.Effects of chlorophyll content and stoma density on pumpkin resistance to powdery mildew南瓜品种对白粉病的抗病性与叶绿素含量和气孔密度的相关性
7.TESTING OF OPEN POROSITY AND COLSED POROSITY OF CARBON MATERIAL BY EFFECTIVE DENSITY METHOD炭素材料显气孔率和闭孔率的测试──有效密度法
8.Determination of density and total porosity Mercury displacement method??密度和总气孔的测定? 汞置换法
9.Studies on Stomata Length,Width and Density of Different Provenances of Distylium buxifolium不同种源小叶蚊母气孔长度、宽度与密度的关系
10.Coke--Determination of apparent relative density and total porosityGB/T4511.3-1984焦炭假相对密度及总气孔率测定方法
11." Test method for the apparent porosity, water absorption bulk density and true porosity of dense shaped refractory products"GB/T2997-1982致密定形耐火制品显气孔率、吸水率、体积密度和真气孔率试验方法
12.An amendment should decrease bulk density, increase total porosity, and increase water and air content.改良剂能降低堆积密度,增加总孔隙度,增加水和空气的含量。
13.Test method for bulk density and true porosity of shaped insulating refractory productsGB/T2998-1982定形隔热耐火制品体积密度和真气孔率试验方法
14.air pressure test for strength and tightness气压强度及气密试验
15.gas-filled porosity天然气充满的孔隙度
16.Model of porosity can be established according to density of framework of rock, density of rock and density of fluid in rock.由骨架密度、体积密度、流体密度联合建立孔隙度解释模型。
17.corrected density porosity校正了的密度测井孔隙度
18.Numerical Analyses of Gas Lubricated Laser Surface Textured Mechanical Seals激光加工多孔端面气体密封数值分析
相关短句/例句

stomata density气孔密度
1.The lipid contents,specific surface areas and stomata density of two kinds of pine(Cedrus deodar and Pinus thunbergii) needles were determined simultaneously with the levels of polycyclic aromatic hydrocarbons(PAHs).测定了雪松(Cedrus deodar)和黑松(Pinus thunbergii)松针的脂含量、气孔密度和比表面积等生理性质及松针中多环芳烃(PAHs)浓度,考察了松针生理性质对其富集PAHs行为的影响。
2.Taking thirty-six varieties of jujube as test material,stomata opens degree,stomata size and stomata density were observed.以36个枣品种为试材,对其气孔开度、气孔大小、气孔密度进行观察,并分析其叶片气孔特性与裂果性之间的关系。
3.Through comparison and observation on different kinds of Clivia miniata Regei water-cultivated Seedlings and soil-cultivated seedlings the change of stomata density,stomata size,stomata divergence of the leaves’ lower epidermis in the daytime,the result shows that Water-Cultivated Seedlings’stomata is obviously larger than that of soil-cultivated seedlings.通过对君子兰(Clivia miniata Regei)不同品种水培苗与土培苗叶片下表皮气孔密度、大小、气孔开度日变化的观察比较,结果表明:水培苗气孔明显比土培苗气孔大。
3)stoma density气孔密度
1.The changes of water-use efficiency and stoma density of Leymus chinensis along Northeast China Transect;中国东北样带关键种羊草水分利用效率与气孔密度
2.The leaf characters of stoma density, chlorophyll content, leaf shape and leaf pasture of garlic germplasm introduced from different part of China were studied.对引自我国不同地区的大蒜品种气孔密度、叶绿素含量及叶形和叶的空间姿态等叶部性状研究结果表明,不同部位叶及同一叶的不同部位表皮气孔密度不同,品种间叶绿素含量范围在0。
3.It was found that each species had a special stoma density,and the stoma types were different between Angiopteris fokiensis Hieron and Archangiopteris henryi Christ et Gies,which could be considered as key characters to the genera and species of Angiopteridaceae.通过在光镜下对云南境内12种莲座蕨科植物的叶表皮细胞进行观察研究,发现:①气孔类型可作为莲座蕨属和原始莲座蕨属分类依据;②气孔密度可作为分种依据。
4)stomatal specific density气孔比密度
5)impermeable void密闭气孔
6)porosity[英][p?:'r?s?ti][美][p?'rɑs?t?]密集气孔
延伸阅读

非密度制约因素(见密度制约因素)非密度制约因素(见密度制约因素)  l焦非密度制约因素见生态因素、密度制约后