铜绿微囊藻的生长与氮,磷含量呈正相关。
The growth of Microcystis aeruginosa had a positive relation with N and P concentration.
全磷含量是冬季最高,夏季最低。
The concentrations of total phosphorus was high in winter, low in summer.
骨磷含量用钼兰比色法测定。
Molybdenum blue chromatometry was used to detect the contents of phosphorus.
耕层土壤全磷和有效磷含量水平较高。
The total and effect content of soil phosphorus in infield layer are higher.
番茄和黄瓜叶中和茎中磷含量不断上升。
The content of phosphorus in leaf and stem of tomato and cucumber increased after transplanting.
植被恢复过程中,土壤全磷含量变化很小。
The content of total phosphorus varied little in the process of vegetation restoration.
采用磷钒钼黄比色法测定磷酸锌中磷含量。
Phosphorus content in zinc phosphate is determined by phosphorus vanadium molybdate yellow colorimetric method.
马铃薯磷肥利用率与土壤速效磷含量呈负相关。
The utilization ratio of phosphate fertilizer in potatoes was negatively correlated to available phosphorus in soil.
研究表明,建立的转炉终点磷含量模型有很好的预测能力。
The results showed that the established model of end phosphorus content in BOF process has good prediction ability.
着重阐述了影响合金磷含量的因素和克服合金增磷的方法。
The factors to affect P content and technical measures to surmount rising in ferroalloy are emphatically expounded.
结果表明,施用有机肥能显著增加旱地红壤的速效磷含量。
Effect of different rate of organic manure on phosphorus species is studied in arid red soil.
研究表明,本模型能够对终点磷含量进行很好的预报和控制。
The results showed that this model is good for prediction and control of end phosphorus content in BOF process.
结果表明,这两种鲍鲍壳在总氮和磷含量上存在着显著差异;
The results show that the contents of nitrogen and phosphorus are obviously different between the two species shells.
将该方法应用于转炉终点磷含量预报模型,取得了较好的结果。
The proposed approach is used successfully for the prediction of end phosphorus content in convert.
适当控制炉渣的氧化铁和碱度可使吹炼终点磷含量达到预定值。
The phosphur content of steel at blowing end can reach predetermined level by proper control on the FeO content and basicity of slag.
在富难溶性磷土壤上,施用磷细菌肥可以提高土壤速效磷含量。
In the rich sparingly soluble phosphorus soil. Phosphorus bacteria fertilizer could increase the content of soil available phosphate.
结果表明,土壤剖面的全磷含量和分布与景观部位存在一定的联系。
Results show that there exists some regularity for the amount and distribution of soil total phosphorus in the profiles.
通过正交试验法优选出一种具有高磷含量的快速化学镀镍工艺配方。
An electroless nickel plating process with high deposition rate was optimized by orthogonal test.
研究了用电位滴定法快速测定新鲜过磷酸钙磷肥中有效磷含量的方法。
In this paper, quick determination of the content of the effective phosphorus in the new calcium superphosphate by means of potentiometric titration has been researched.
灌浆期,籽粒充实度差的品种无机磷含量明显高于籽粒充实度好的品种。
While at grain filling stage, inorganic phosphorus content was obviously higher than that in the varieties with good grain plumpness.
并测定了加热温度对不同磷含量的非晶镍磷合金的组织结构和硬度的变化规律。
Effects of heating temperatures on the structure and the hardness of amorphous Ni-P alloys with different phosphorus contents hare also been studied.
分析了土壤有效磷含量的现状及其变化原因,提出了施肥对策,以期指导农业生产。
The situation of soil available phosphorus and its change are analyzed and countermeasures are put forward so as to guide the agricultural production.
在研究水体氮、磷含量的基础上,确定了磷为浮桥河水库浮游植物生长的限制性因子。
The phosphorus was determined as the limiting factor for the growth of phytoplankton by comparing the concentrations of nitrogen and phosphorus of the water body.
随着液体磷浓度的增加,植株磷含量和磷吸收量相应增加,而植株磷利用效率相应减少。
Plant phosphorus content and phosphorus uptakes were increase with increase of phosphorus concentration, but plant phosphorus use-efficiency was reducing.
耕作层的土壤磁化率与有机碳、磷含量具有较好的相关性,而与氮、钾含量相关性较差。
Soil magnetism of the plough layer is in relatively good correlation with organic carbon and P but shows a rather poor correlation with N and K.
高供氧强度不仅适用于铁水条件较好的转炉,同样适用于铁水中磷含量、硫含量偏高的转炉。
Not only can it be used in the converter with good molten iron, but also can be used in one with high phosphor and sulphur contents in iron.
河床-河漫滩型和谷底洼地型泥炭沉积物中总氮和总磷含量随着泥炭粒级的减小而明显增加。
With decreasing of peat granule size, the content of TN and TP was increasing obviously in peat sediment of river bed-flood land and valley depression land.
目的:建立了用微波消解技术进行样品前处理,磷钼蓝分光光度法测定食品中磷含量的方法。
Objective: to set up a method for the determination of phosphorous in food samples by ammonium molybdate spectrophotometry after pretreated with the microwave digestion technique.
夹送辊堆焊时,由于母材的硫、磷含量较高及堆焊材料含碳量高、硬度大,常常产生热裂纹。
Because of containing more sulfur and phosphorus in the steel, and more carbon, high hardness in material of surfacing welding, the pinch roller often turns up hot crack.
夹送辊堆焊时,由于母材的硫、磷含量较高及堆焊材料含碳量高、硬度大,常常产生热裂纹。
Because of containing more sulfur and phosphorus in the steel, and more carbon, high hardness in material of surfacing welding, the pinch roller often turns up hot crack.
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