针对不同母质砖红壤中氨的挥发损失进行了研究。
Volatilization of ammonia from latosol soils with different matrixes was evaluated in the present study.
昼间的氨挥发损失随小麦生育期的推移迅速增大。
The ammonia volatilization rate in daytime rapidly went up along with the lapse of growing stage of wheat.
本来就低的土壤中速效磷，氮迅速通过淋溶和挥发损失。
The soils are inherently low in available phosphorus, and nitrogen is quickly lost through leaching and volatilisation.
在正常的生长条件下，高温可以增加大豆的氨挥发损失。
Under normal conditions, high temperature increased ammonia loss by volatilization.
结果表明，在不同生长发育时期，氨的挥发损失量不同。
The result obtained show that the amounts of ammonia volatilized from soybean were different at different growth stages.
梯度材料的抗烧蚀机理为金属粘接剂的挥发损失、热化学烧蚀和机械冲刷。
The ablation mechanisms of the material are volatilization of metal binder, hot chemical ablation and mechanical erosion.
高碳锰铁的固相脱碳由于能够避免金属锰的高温挥发损失而成为研究的热点。
The solid phase decarbonization of high carbon ferromanganese has been the research hotspot because of avoiding evaporation loss of manganese at high temperature.
利用大型真空干燥器，测定了大豆在不同生长发育阶段地上部分氨的挥发损失。
Large vacuum desiccator was used to collect ammonia volatilized from above ground parts of soybean during its growth period.
采用密闭气室间歇式抽气法研究了黄河上游灌区不同施肥处理下稻田氨挥发损失特征。
The batch-type airflow enclosure method was adopted to measure the ammonia volatilization (AV) from paddy field under different fertilization rates in irrigation area of the Yellow River .
由于HS添加剂可以降低碳酸丙烯酯溶剂的蒸汽压，从而可以大为减少溶剂的挥发损失。
Also, HS additive can lower the steam pressure of allyl carbonate which can reduce the volatilization loss of dissolvent.
结果表明，优化施肥能明显降低稻-麦轮作系统中的氨挥发损失，提高稻麦对氮素的利用率。
The results showed that ammonia volatilization losing could be obviously reduced in rice-wheat rotation system with optimization method, and nitrogen efficiency was also improved.
这些氨的大量存在对幼苗生长产生危害，同时也很容易在转化为铵态氮和硝态氮之前挥发损失。
These large pools of ammonia are detrimental to seedling growth and are very susceptible to gaseous loss by volatilization before chemical conversion back to the ammonium and nitrate forms.
氨挥发是早作石灰性土壤上氮肥损失的重要途径，盐渍化土壤上氮肥的氨挥发损失较非盐渍化土壤更为严重。
Ammonia nitrogen loss is an important way to calcareous soils, and it is more serious in saline soil than in non-salinization soil.
结果表明，对于低沸点的化合物，由于样品在点样和展开过程中挥发损失的原因而不能进行显色处理，从而无法进行测定。
The experimental results show that the organic compounds with lower boiling point can not be determined by thin layer chromatography because they are volatile.
氨挥发是植物体氮素损失的重要途径。
Ammonia volatilization is a major path of nitrogen losses from plants.
试验采用间歇式密闭室通气法，测定了冬小麦生长季氨挥发的损失量。
This paper aims to study the ammonia volatilization use continuous air flow enclosure method in wheat season.
其理论基础是尿素表施易引起氨挥发，这是其损失的主要机制。
This rationale is based upon the susceptibility of surface applied urea to volatilization, the primary mechanism of loss.
稻田中氮素损失途径主要有氨挥发、硝化-反硝化、淋洗和径流，其中氨挥发是氮素损失的主要途径。
The nitrogen fertilizer losses in paddy field involve nitrification-denitrification, ammonia volatilization, nitrate leaching and runoff.
本实用新型不仅能很好的发挥发热体的热效应，减少热损失，而且能方便快捷地维修更换发热体。
The utility model not only can bring the heat efficiency of the heater into play, and reduce heat loss, but also can conveniently and fast exchange the heater.
本实用新型不仅能很好的发挥发热体的热效应，减少热损失，而且能方便快捷地维修更换发热体。
The utility model not only can bring the heat efficiency of the heater into play, and reduce heat loss, but also can conveniently and fast exchange the heater.
应用推荐