英语释义

1. transpiration stream

片语

Sap Flow Density树干液流通量

stem-sap flow树干液流

Xylem Sap Flow白木质流体

Sap Flow Transportation Efficiency液流传导效率

stem sap-flow velocity树干液流速度

sap-flow gauge茎流计

quantity of sap flow产汁量

Sap flow Probe液流探针

英汉例句

• the sap flow rate of populus euphratica and relative environmental factors have been observed for 3 days at yingsu in the lower reaches of tarim river by advanced phytalk system.

  用phytalk植物生理生态监测系统对塔里木河下游英苏断面胡杨的茎流和相关环境因子的日变化进行了监测。

• at night, the ascent of sap flow could be observed in the above main tree species owning to the existence of root pressure.

  夜间，胡杨同样存在明显的树干液流现象，这主要是由根压引起的。

• the sap flow velocity of quercus variabilis was 5~10 times higher than that of the pinus tabulaeformis on a monthly average basis.

  栓皮栎月平均树干液流速率较油松的月平均树干液流速率高5-10倍。

• the diurnal pattern of sap flow rate of juglans mandshurica is similar with that of air temperature and relative humidity.

  核桃楸树干液流速率的日进程和大气相对湿度、温度的日进程具有很好的生态学同步性。

• sap flow flux was influenced by sapwood area size, and decreased progressively from the base along the trunk to the top of tree.

  不同树干高度液流通量的变化受边材面积大小的影响，自基部沿树干高度递减；

• analyzing the actual research progress and targets, we can make a conclusion that thermal dissipation method will be the vital techniques on stem sap flow measurement and calculation in the future.

  对现有的研究成果和研究目标进行分析认为，热扩散方法将成为未来几年研究树木液流的重要测算方法。

• the interest phenomena found was that there was sap flow in nighttime, although it was faintly, which would be stem water restoration and storage for day transpiration.

  也证明夜间有微弱液流存在，这是树体水分恢复和储水阶段，以备来日耗水之用。

• it is revealed that: 1) the daily variation of stem sap flow of p. euphratica on clear days in the whole growing season can be described with an evident unimodal curve.

  结果表明：1）在整个生长季的晴天，胡杨树干液流的日变化呈现明显的单峰宽峰曲线。

• the results showed that the sap flow rate exhibited mono-peak patterns during day「s dynamics, and the maximum sap flow rate occurred at 12 or 13 o」clock.

  结果表明：冷杉的树干液流变化呈现明显的单峰曲线，液流速率的峰值一般出现在中午12或13时；

• the velocity of sap flow of sprouted seedling was higher then cuttaged seedling.

  萌生苗液流速度大于扦插苗液流速度。

• in order to develop a physiological means of intact plants for determine plant transpiration, a kind of sap flow gauge has been improved, it is based on plant stem heat balance method.

  为寻求一种无伤测定小麦植物茎内汁液物质流量进而估算农田植物蒸腾速率的生物电子测试方法，作者改良了一种基于热量平衡原理的新型探测器。

• the influence of atmosphere saturation vapor pressure deficient to sap flow was smaller.

  当树内的压力大于大气压力的时候，树液开始流出。

• there was little sap flow at night.

  夜间仍维持较低液流速率。

• daily and seasonal variability in the radial distribution of xylem sap flow velocity in trunks of pear trees were investigated by the heat pulse method.

  采用热脉沖法对梨树树干液流速度径向变化规律进行了系统研究。

• as for different individuals, the average sap flow velocity wasn't uniformity in the same month.

  不同的单株在相同月份平均树干液流速率存在差异。

• the stem sap flow of t. ramosissima presented a single-peaked curve, with an obvious day and night variation rhythm and fluctuated with environment factors.

  多枝柽柳的茎干液流呈单峰曲线型，有明显的昼夜变化规律，茎干液流随环境因子变化而波动；

• effective photosynthetic radiation and deficient vapor pressure were the dominant environmental variables affecting the diurnal variation of sap flow density on sunny days.

  影响树干液流密度日变化的主导因子为光合有效辐射和水汽压亏缺，二者对主导因子敏感度相当。

• both the sap flow velocity of pinus tabulaeformis and quercus variabilis had very close linear relationships with the soil moisture and soil water potential on a monthly average basis.

  油松、栓皮栎月平均树干液流速率与土壤月平均容积含水量和土壤月平均水势呈明显线性相关关系。

• sap flow density is low and anomalistic, even formed multi-peak curves which has not obvious peak value during rainy days, sap flux density during night is larger than its in sunny days.

  各树种阴雨天液流密度变化曲线均不规则且液流密度值较小，甚至出现多峰曲线，但峰值并不明显。

• by the method of heat pulse, this paper studied the influence of different measurement positions on calculating the stem sap flow velocity and quantity of pear trees.

  采用热脉沖法，研究了不同测定位点对计算梨树树干液流速率和液流量的影响。

• through the simulation of the dynamic variety of storage water in peach fruit, we found that the storage water, which flow in transpiration stream was only 1.4% in total sap flow of a day.

  通过对盆栽桃树果实贮存水运转动态的数学模拟发现，果实的贮存水汇入蒸腾流的最大量只占全天茎流总量的1 4%左右。

• in conclusion, arima model could improve trunk sap flow fitting precision significantly.

  arima模型可以明显提高树干液流速率的拟合精度。

• study on volume and velocity of stem sap flow of haloxylon ammodendron by heat-pulse technique;

  采用热脉沖法对梨树树干液流速度径向变化规律进行了系统研究。

• heat pulse probe hpv4 and cr1000 data logger was used to monitor sap flow velocity of red fuji of orchards grown in the loess plateau.

  采用热脉沖探针和数据采集器，测定了黄土高原地区苹果园红富士树干的液流速率。

• the distribution of the zone conducting the sap flow on xylem cross-section of the stem has been analyzed in this article for vitis vinifera.

  对欧洲葡萄茎木质部截面上液流传导区域进行了定量研究。