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Flotation test study on the decreasing phosphorus of scheelite concentrate was carried out.

对某白钨精矿浮选降进行了试验研究,分析了捕收剂、抑制剂及辅助捕收剂对白钨精矿降效果的影响。

This paper indicates that applying Phosphorus fertilizer quantity was remarkable positively interrelated with the soil content of quick-acting P.in the soils of white serosity rice.

减少肥施用量水稻植株体内的全和全氮含量依次下降,全钾则依次逐增;提高肥施用量可使水稻植株体内全含量递减,全氮递增。

The impact of sesquioxide (Fe2O3, Al2O3), MgO contents in phosphate rock on available phosphorus content in final SSP product is analyzed, the method is introduced and exemplified for predicting the available phosphorus content of SSP based on the decreasing free acid and moisture in curing period.

分析矿石中倍半氧化物,MgO含量对成品有效含量的影响;介绍熟化过程中游离酸和水分降低对成品有效含量影响的预测方法并举例说明。

The problem from sodium tripolyphosphate,4A zeolite,sodium metasilicate and phosphorous prohibition was summarized and the various performances and effect of δ-layered crystal disodium silicate as detergent were analyzed.

分析了现用助洗剂三聚酸钠、4A沸石、偏硅酸钠存在的问题及禁的重要性,重点论述了δ-层状结晶二硅酸钠用作助洗剂的各种性能及效果,认为δ-层状结晶二硅酸钠是一种良好的无助洗剂,它具有其他助洗剂所不具备的优良性能;对δ-层状结晶二硅酸钠的制备工艺作了简要介绍,并作了市场及在国内工业化生产的可性行分析。

Furthermore, the effect of different carbon and nitrogen sources on phosphate solubilization of TK-46 was investigated.

结果]结果表明,碳源对转化子解能力影响较小,而氮源的作用较大,其中转化子在解过程中最适氮源是氨态氮。

As far as maaref in March of 1982 's philatelic Medica narration: emiting stamp refers to the following is issued by cyclometalated or fluorescent substances business card printing and membership card production, covering or flat-coated stamp for e-curatiue machine or stamp-cancelling machines used stamps are collectively known as cyclometalated stamps.

据常识不入版社1982年3月刊行的《集邮图鉴》阐不收:不收亮邮票是指,凡用不收平或荧平的精神制卡和会员卡制作、双关或平涂在邮票上,以供电子理不疑机或邮票关销机搁置的邮票统称为平邮票。

The AM formation stimulated the absorption of phosphorus, especially in roots, and also changed the allocation of nitrogen and phosphorus in different organs of seedlings.

丛枝菌根的形成总体上促进了喜树幼苗对素营养的吸收,并且主要体现在根的含量上。

The output of soil nitrogen and phosphor is associated with grain seeds,which is removed from crop field forever.Therefore,stubble retention combined with nitrogen and phosphor fertilizer supply can replenish the soil nutrient pool in the loess plateau.

耕层0-30cm速效氮和速效均有所增加,但速效以NTS增长幅度最大,而速效氮却以NTS增长幅度最小;耕层0-30cm速效钾表现为下降趋势,但以TS和NTS减幅较小。

In this study, 12 stylo genotypes were surveyed under field conditions with or without P application for P efficient screening, and then sand and nutrient solution culture experiments were subsequently conducted to further demonstrate possible physiological mechanisms of stylo in adaptation to low-P acid soils.

本试验选用十二种不同基因型柱花草作为研究对象,通过田间试验对供试材料进行效率初步筛选,并在此基础上进行随后的砂培和水培试验,对不同基因型柱花草适应酸性低红壤的机制进行了初步的探讨。

The results show that the impurity formation energy of substitutional P in γ-matrix atom is lower than that of interstitial one.

结果显示在镍基体中以代位方式固溶的杂质形成能低于间隙方式,说明在镍基体中更易以代位式固溶。

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