shaft是什么意思

网络释义

用法例句

Characteristics of Precipitation Redistribution and Stemflow in Quercus acutissima Mixed Forest in Miyun, Beijing;

北京密云麻栎人工混交林降水再分配及树干茎流特征

Characteristcs of Precipitation and Plantation and the Stemflow of Constracted Forest in Qianyanzhou Experimental Station;

千烟洲试验区大气降雨特征及人工林树干茎流特征

Characteristics of precipitation and forest stemflow of Dongling Mountainous area;

东灵山地区大气降水特征及森林树干茎流

Effects of forest on chemicals of precipitation and total suspended particles of stem-flow in Jiufeng National Forest Park,Beijing.;

森林对鹫峰国家森林公园降水化学及树干茎流悬浮物的影响

The contents of 8 nutrient elements(N,P,K,Ca,Mg,Cu,SiO2) were measured in the rainfall of Changsha City and in the stem-flow and throughfall of its urban forest of Pinus ellotii.

对长沙市大气降水和长沙市城市森林中湿地松的树干茎流、穿透水中的N、P、K、Ca、Mg、Cu、Mn和SiO28种养分元素含量进行了测定。

The concentrations of 9 nutrient elements(N、P、K、Ca、Mg、Cu、Zn、Mn、SiO2) in stem-flow,and rainfall were measured in 22～25 years old Cinnamomum camphora,Pinus taeda,Quercus aliena,Michelia macclurei from April of 2003 to July of 2004 at Zhuzhou.

对湖南株洲22～25年生的樟树、火炬松、槲栎、醉香含笑4个树种树干茎流及林外大气降水中N、P、SiO2、K、Ca、Mg、Cu、Zn、和Mn 9种养分元素含量进行了为期一年的测定。

The chemical elements that through fall and stem flow contain.

0 0 1mg/ L ,各元素含量按大小排序为 Ca>N>K>Mg>Na>P>Fe>Zn>Cu>Mn;大气降水经过林冠层后 ,林内穿透降水和树干茎流中各化学元素含量变化不一 ,但元素总含量增加 ,林内穿透降水化学元素含量之和为 46 。

From the point of increase WUE,reviewed the factors influencing interception,stem flow and soil evaporation.

在干旱区,冠层截留雨水损失很少,但树干茎流可以使水分和养分在植物根部富集,提高了水分和养分的利用效率,并且在灌丛周围,水分入渗较多,树荫具有减少土壤蒸发的作用;土壤物理结皮可以减少水分入渗,增加蒸发,但关于生物结皮的作用还存在争论,干沙层的保水机理有待深入;砂田砾石层具有截留雨水、增加入渗和减少蒸发的作用。

41% and the stem flow 10.

41%,树干茎流10。

The resulted shows that the daily maximum and average water flow in the stem of Robina pesudoacacia, Platycladus orientalis, Pinus tabulaeformis, Betula platyphylla and Acer truncatum were 264.

应用TDP茎流计对黄土丘陵区主要成林树种刺槐 (Robinapesudoacacia)、侧柏 (Platy cladusorientalis)、油松 (Pinustabulaeformis)、白桦 (Betulaplatyphylla)和元宝枫 (Acertruncatum)的树干茎流量进行测定 ,结果表明 :树干茎流量的日变化随环境因子变化表现出明显规律 ,白天在 13:0 0～ 15 :0 0达到最大 ,傍晚到黎明前茎流量趋于停止 ;在干旱条件下 ,刺槐的日最大、日均茎流量分别为 2 6 4。

Research on Sap Flow Velocity of Red Fuji Apple Trees Grown in the Loess Plateau;

黄土高原红富士苹果树干茎流速率的研究

The stems twined around the tree trunk.

(草)茎缠绕着树干。

Study on Variation Law of Sap Flow of Peach Seedling under Different Water and Nitrogen Conditions

不同水氮条件下桃树幼苗茎干液流变化规律研究

tropical American tree with large peltate leaves and hollow stems.

美洲热带树种，大型盾状树叶，中空茎干。

arborescent cacti having very spiny cylindrical stem segments; southwestern United States and Mexico.

有多刺茎干的树状仙人掌；美国西南部和墨西哥。

Effect of Soil Water Potential on the Trunk Diameter Variation of Peach Tree in Spring

土壤水势对春季桃树茎干变化的影响研究

Studies on the Stem Sap Flow Law of Ziziphus Jujuba Mill Seedling and Relationship with Environmental Factors;

幼龄枣树茎流规律及其与环境因子关系的研究

The trunk of the rubber tree emits drops of liquid rubber.

橡胶树的树干流出一滴滴液状橡胶。

tree or shrub that has been grafted on an upright stem(contrasted with a bush or climbing plant)

嫁接于直干上的树或无主茎灌木（与灌木丛或攀缘植物相对而言）

fine white Philippine fiber from stalks of unopened leaves of talipot palms; used in making hats.

白色纤细的菲律宾纤维，取自伞干顶榈未张开的树叶的茎，用于制帽。

Research on Stem Diameter Variation Rule of Apple Tree and Response to Environmental Factors in Northwest Arid Region

西北旱区苹果树茎干直径变化规律及其对环境因素的响应研究

In front of and facing away from the axis or stem.

茎干前部的在茎或干前部且背向茎干的

Stem sap flow and water consumption of Tamarix ramosissima in hinterland of Taklimakan Desert

塔克拉玛干沙漠腹地多枝柽柳茎干液流及耗水量

a tall Brazilian feather palm with a terminal crown of very large leathery pinnatisect leaves rising from long strong stems used for structural purposes.

巴西一种高大的酒椰，尖端长有树冠的鳞状干，大型羽状硬叶，又长又粗的建筑用树茎。

Variation of sap flow and stem diameter under drought stress--A case study Yingsu Section;

干旱胁迫条件下胡杨茎流与茎直径变化分析——以塔里木河下游英苏断面为例

Simulation and Optimization of the Wind Field of the Separation Exit of Alfalfa Rotary Drum Dryer

苜蓿转筒干燥时茎叶分离出口气流场模拟与优化

Determining Sap Flow in Trunk of Aleppo Pine by Improved Heat Pulse Method

利用校准的热脉冲方法测定松树树干液流

Stem Sap Flow Dynamics and Transpiration of a Poplar Plantation;

杨树人工林树干液流动态变化与林分蒸腾