1) nutrient balance
养分平衡
1.
The changes of nutrient balances driven by adjusting crop structure at county level during 25 years——A case study in Huimin County,Shandong Province;
25年来种植业结构调整驱动的县域养分平衡状况的变化——以山东惠民县为例
2.
Yield of inbred rice and hybrid rice and soil nutrient balance under long-term fertilization;
长期不同施肥下杂交稻与常规稻的产量与土壤养分平衡
3.
Competition and nutrient balance in the compound operational system for the dry slopeland in the valleyland area of Jinsha River;
金沙江干旱河谷坡地复合经营系统内竞争及养分平衡研究
2) Nutrients balance
养分平衡
1.
Study on nutrients balance of farming ecosystem in typical areas of Shaanxi Province;
陕西省典型农区农田生态系统养分平衡研究
2.
The farmland nutrients balance and the dynamic changing tendency of soil nutrients were discussed during nearly 20 years (from 1981 to 1999) in three subecosystems zone of the hill of Sichuan basin.
研究了四川盆地丘陵区3个生态亚区近20年(1981～1999)农田养分平衡与土壤养分动态变化趋势。
3.
Research of nutrients balance in farmland can help looking into thevariety and problem possibly appeared in process of farmland nutrients degenerate andregenerate from macro angle.
在农田生态系统中，土壤的养分平衡是作物稳产、高产的基础。
3) nutrient balance
氮养分平衡
1.
Nitrogen nutrient balance and its impact on soil available nitrogen content in Shanghai suburb farmlands;
上海郊区农田氮养分平衡及其对土壤速效氮含量的影响
4) nutrient balance method
养分平衡法
1.
The system adopted the nutrient balance method of eucalypt which made this system more accurate in calculation and more valuable.
系统采用了养分平衡法和桉树的平衡施肥法计算施肥量,计算结果精确,具有可利用价值。
6) nutrient cycling and balance
养分循环平衡
1.
The Zhifanggou watershed in Ansai county is an example of a Loess Hilly Region and the characteristics of nutrient cycling and balance of 1 tree,4 shrub,and 9 herbage vegetation types have been systematically studied during a period of vegetation stabilization and rehabilitation.
以黄土丘陵沟壑区典型小流域纸坊沟流域为例,系统研究流域在植被稳定恢复期1种乔木、4种灌木和9种草地植被类型的养分循环平衡特征。
2.
According to the policy of vegetation restoration and different land use type adjustment in loess hilly region, vegetation restoration affecting the soil erosion, nutrient discharge and nutrient cycling and balance of watershed are reviewed on field plot and watershed.
针对在陕北黄土丘陵沟壑区实施的植被恢复及不同土地利用类型调整的政策,在小区和流域尺度上,就植被恢复对流域水土流失、养分流失、养分循环平衡影响方面的国内外研究概况进行了综述。
补充资料：氨合成平衡速率氨平衡合成率
分子式：
CAS号：
性质：又称氨合成平衡速率氨平衡合成率。在不同的催化反应条件下，氨合成反应达到一定程度的化学平衡时氨合成的反应率或合成率。在实际氨合成生产中，不可能达到平衡氨合成率，在工业上设计氨合成塔时，就必须着眼于它的运行能最大限度地接近平衡氨合成率。
CAS号：
性质：又称氨合成平衡速率氨平衡合成率。在不同的催化反应条件下，氨合成反应达到一定程度的化学平衡时氨合成的反应率或合成率。在实际氨合成生产中，不可能达到平衡氨合成率，在工业上设计氨合成塔时，就必须着眼于它的运行能最大限度地接近平衡氨合成率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条