Nitrogen, potassium, phosphorus content with increasing soil depth is gradually reduced.
碱解氮、速效钾、速效磷含量随着土层深度的加深逐渐降低。
Methods to determine THPC content and organic phosphorus content were reviewed in this paper.
本文介绍评述了目前测定THPC含量和与之相似的有机膦含量的分析测试方法。
The more phosphorus content in deposit, the lower endurance voltage strength of PTC ceramic was.
磷含量升高，热敏电阻耐电压强度下降；
The uncertainty of this method is mainly from locating phosphorus content by standard curve fitting an...
该方法的不确定度主要来源于由标准曲线查磷量、总重复性测定。
Firstly, both the coating's phosphorus content and hardness have gradients in vertical and lateral directions.
其优点在于镀层中含磷量与硬度在纵向与镀层厚度方向两个方向上均有梯度变化。
Phosphorus content in zinc phosphate is determined by phosphorus vanadium molybdate yellow colorimetric method.
采用磷钒钼黄比色法测定磷酸锌中磷含量。
The obtained high-quality phosphate as a byproduct can be used as an animal food additive, and the phosphorus content is over 18%.
作为副产品同时制得的优质磷酸 盐动物饲料添加剂中，磷含量高达18％以上；
While at grain filling stage, inorganic phosphorus content was obviously higher than that in the varieties with good grain plumpness.
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。
With this method, the rate of dephosphorization reached 78.5% and the phosphorus content of the manganese ore dropped from 0.19% down to 0.04%.
通过该方法，对磷的质量分数为0.19%的锰矿石，磷的去除率为78.5%，脱磷后锰矿中磷的质量分数下降为0.04%。
The results show such refining makes the end phosphorus content to meet the requirements for high quality steel, and product cost can be reduced.
控制结果表明，此法与常规冶炼工艺相比，不仅保证出钢磷含量满足了品种钢的要求，而且在钢水质量提高的同时大大降低了生产成本。
The barrier metal layer contains phosphorus, and includes a phosphorus-rich portion where the phosphorus content is higher than that at other portion.
该金属屏蔽层含有磷，且具有含磷率大于其它部分的富磷部位。
Increase of the phosphorus content can enhance the biomass of masson pine seedling, but the physiological effect of P contents on the seedling is various.
增加供磷浓度能普遍提高各种源马尾松幼苗的生物产量，但不同磷浓度对幼苗产生的生理效应各不相同。
Because of high phosphorus content in ore, the exploitation was handicapped by economic and technical conditions at that time and has not yet been exploited.
由于铁矿中含磷量高，受当时经济技术条件的限制，一直未能开发利用。
Based on the process mineralogy research on improving iron concentrate grade and recovery, reduce the phosphorus content in iron ore concentrate is proposed.
根据工艺矿物学研究成果对提高铁精矿品位和回收率、降低铁精矿中的磷含量给出了建议。
Also provided by this invention are animal feed compositions that are supplemented with boron containing compounds and which have reduced phosphorus content.
本发明还提供增补了含硼化合物并具有减少了磷含量的动物饲料组合物。
Ginger specific humic acid fertilizer increased the soil organic matter content, total nitrogen content, available nitrogen content, available phosphorus content.
生姜专用腐植酸复混肥提高了土壤有机质含量，土壤全氮、碱解氮和速效磷含量。
Heavy granular superphosphate (GTSP) is a high concentration of water-soluble phosphate available, the available phosphorus content is SSP (SSP) of 2.5 ~ 3.0 times.
粒状重过磷酸钙(GTSP)是一种高浓度、水溶性的速效磷肥，其有效磷含量是普钙(ssp)的2.5 ~ 3.0倍。
After the analysis of EDS, the changing rules of coating ingredient with different parameters and the relation between phosphorus content and hardness were obtained.
对镀层进行EDS分析，得到了各参数变化时镀层成分的变化规律以及磷含量与硬度的关系。
The effects of double-row concave ridge and film mulching on phosphorus content in flue-cured tobacco leaves and soils were studied by field and laboratory experiments.
采用田间试验与室内分析相结合的方法，探讨了烤烟地膜覆盖与双行凹型垄结合对烤烟及土壤磷素含量的影响。
The ductile-embrittlement transition temperature of vermicular graphite cast iron increased with increasing phosphorus content both in the as-cast and annealed condition.
蠕铁的韧性——脆性转变温度铸态和退火态均随磷含量的增加而升高。
The results showed that straw application increased crop yield, soil organic carbon accumulation, soil total nitrogen and phosphorus content as well as phosphorus activation.
结果表明，秸秆还田提高了作物产量，增加了土壤有机碳积累和土壤氮磷含量，且能活化土壤磷素。
The effects of solid oxygen and gaseous one on desiliconization pretreatment efficiency and temperature drop of high phosphorus content hot metal were experimentally studied.
在实验室试验研究了固体氧和气体氧对高磷铁水预脱硅效果及温降的影响。
As an initial stage on the process of foamed nickel preparation, a layer with low phosphorus content nickel deposit is applied on polyurethane foam substrate as a conducting layer.
在制备泡沫镍材料的过程中，首先要求在聚氨酯海绵基体上低磷化学镀镍制备导电层。
Scale and corrosion can be restrained effectively by treating circulating water by the reagent prescribed low phosphorus content and highly anti-scale and anti-corrosion components.
采用低磷、高阻垢性、高缓蚀性配方的缓蚀阻垢剂处理电厂的循环水，能有效地控制系统的结垢和腐蚀。
Scale and corrosion can be restrained effectively by treating circulating water by the reagent prescribed low phosphorus content and highly anti-scale and anti-corrosion components.
采用低磷、高阻垢性、高缓蚀性配方的缓蚀阻垢剂处理电厂的循环水，能有效地控制系统的结垢和腐蚀。
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