您要查找的是不是:
- The influence of pesticide on effect of nitrogen fixation of abiogenous Azotobacter was also determined. 还运用茚三酮显色反应检测农药对自生固氮菌固氮效果的影响。
- Microbial fixation of nitrogen occurred strongly in U+S treatment due to its higher C/N,which resulted in lower soil NO -N content compared with CK. 而尿素与麦秸混施后则发生强烈的矿质氮固持作用,土壤中的NO-N甚至低于未施肥处理。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Among the blue-green algae are many species of nitrogen fixation. 许多种蓝藻有固氮的能力。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- Mycorhizae perform the function of nitrogen fixation and storage. 菌根起着固氮和贮氮的作用。
- The crux of the matter was a lack of nitrogen. 问题的关键在于缺少氮。
- Effect of the Level of Soil Fertility on Biologic Fixation of Nitrogen Fertilizer 土壤肥力水平对肥料氮生物固定的影响
- Acative and quantity of Biological Fixation of Nitrogen in the Rice Field in Northern-Chian 北方水稻田生物固氮活性及固氮量
- The fixation of the stapes may progress rapidly during pregnancy . 在怀孕期镫骨固定可能迅速发展。
- Effect of application of nitrogen, zinc and selenium on fixation of nitrogen and transfer of nitrogen fixed in white clover 氮锌硒肥配合施用对白三叶的固氮作用与氮转移的影响
- Urea is commonly used as the source of nitrogen in foliage sprays. 尿素作为氮素给源普遍地应用于叶面喷布。
- Has an atmosphere, which is mainly made up of nitrogen. 它拥有主要由氮组成的大气。
- The amount of nitrogen needed will increase as yield increases. 随着产量增加,需氮量也要增加。
- The discharge amount of nitrogen oxide can reduce 30%. 氮的氧化物排放量减少30%25。
- The Effect of Nitrogen on Beauveria bassiana (Bals.) Vuill. 氮素对球孢白僵菌的影响
- The fixation of the stapes may progress rapidly during pregnancy. 在怀孕期镫骨固定可能迅速发展。
- The fitted multivaliate quadratic regression equation can better express the relation between nodulation and nitrogen fixation of alder and physical-chemical factor of the soils. 桤木结瘤固氮与土壤理化因素的关系,可用多元二次回归方程表达。