查询词典 black spruce

Jack pine had higher rate of gas exchange and water use efficiency than black spruce when seedlings were well watered.

解除干旱胁迫后，黑云杉的气孔敏感性、光合能力及水分利用效率的恢复都要比北美短叶松更快。轻度的干旱胁迫锻炼可以帮助北美短叶松在更严重的干旱胁迫下保持固有而强劲的耐旱能力。

Jack pine ; black spruce ; drought tolerance ; photosynthesis ; transpiration ; stomata conductance ; water use efficiency

北美短叶松；黑云杉；耐旱性；光合作用；蒸腾作用；气孔导度；水分利用效率

Diurnal gas exchange for aspen, jack pine and black spruce indicated afternoon depression. In hazelnut, a second peak in Pn occurred in the afternoon.

欧洲杨、短叶松和黑云杉的日气体交换率均表现午后抑制，榛子在下午出现了第二个Pn高峰。

Diurnal peaks in Pn for three age shoots of jack pine and black spruce occurred in the early morning between 7∶00-8∶00 on sunny days. The maximal rates of Pn and gs were 7.5 μmol.m-2.s-1 and 0.11 mol.m-2.s-1 for 1-year-old shoots of jack pine and 6.1 μmol.m-2.s-1 and 0.11 mol.m-2.s-1 for 1-year-old shoots of blackspruce.

而短叶松和黑云杉3个不同年龄树枝的Pn和gs的高峰出现在早晨7∶00到8∶00，其值分别是短叶松一年龄树枝为7.5 μmol.m-2.s-1和0.11 mol.m-2.s-1，黑云杉一年龄树枝6.1 μmol.m-2.s-1和0.11 mol.

And black spruce Picea mariana (Mill BSP were studied in order to understand the adaptation mechanisms employed by the foliage to deal with fluctuations in boreal climatic conditions.

和黑云杉树枝气体交换日变化的特性进行了试验研究，以便于了解在北部气候条件下叶对环境变化的适应机理。

FEATURES: Contain Canada wild black spruce extracts, natural vitamin A , E , pearl powder and moisture skin extracts. While removing dirts, It keeps skin be tender and lubricated , and flexible , make your skin whiten and moisturize, brighen and charm.

特点：蕴含加拿大野生黑云杉萃取精华，天然维生素A、E、珍珠粉及保湿润肤精华，在祛除污垢的同时，保持柔嫩润滑、有弹性，使你肌肤美白滋润，光泽迷人。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。