磷

It was found that the Beckmann rearrangement of cyclohexanone oxime could be performed smoothly in the catalytic media consisting of room temperature ionic liquid and acidic phosphorated compounds, and excellent conversion and selectivity were achieved under mild conditions without any additional organic solvents.

发现酸性含磷化合物，如五氯化磷等在离子液体中可以高效地实现环己酮肟重排制己内酰胺，具有不需另加有机溶剂，选择性高等优点。

This system has great effect on phosphorus removal in domestic wastewater, which provides a new method to enhance biological phosphorus removal.

该工艺独特的运行方式使其在实际操作中达到了很好的除磷效果，并为强化生物除磷提出了新思路和新方法。

The number of bone dust in animal feed is main reasons for high content of phosphorus in its waste water.

动物饲料中加入大量骨粉是其污水中含磷过高的主要原因，而常规活性污泥法对磷的去除率却很低。

Soil physical properties(Water saturated content、Field capacity、Capillary porosity、Non-capillary porosity、The total porosity) The number of micro-organisms(bacteria,fungi and actinomycetes)、activity of the enzyme and nutrient content (Organic matter、TN、AN、P、AP) In the two types of landscape are reflected in the type of surface(0-20cm) higher than the sub-surface(20-40cm).

2土壤物理性质(饱和含水量、田间持水量、毛管孔隙度、非毛管孔隙度、总孔隙度)、微生物数量、酶活性(过氧化氢酶、脲酶和蔗糖酶)及养分含量(有机质、全氮、有效氮、全磷、速效磷)在不同景观及其界面中均表现为表层(0-20cm)高于亚表层(20-40cm)。

A plausible process of this reaction is as following: Aldehyde was in equilibrium with the enol form, aldehyde reacted with aniline catalyzed by 2,2,2-trichloroacetic acid to afford imine, the generated imine immediately reacted with enol to form intermediate via intramolecular cyclization.

我们发现一分子芳基叠氮和一分子三苯基磷反应生成一分子磷亚胺，后者与由两分子取代的苯氧乙酰氯原位生成的烯酮反应生成4-亚烷基-β-烷基-内酰胺，其串联过程涉及烯酮亚胺的形成及其与烯酮的[2+2]的环加成反应。

In this paper, some basses and methods are established for these evaluations by selecting proper index and using the geographical point of soil phosphorus equilibrium.

土壤磷素地理平衡点指在特定的地理生物气候背景下，土壤磷素系统循环达到相对稳定平衡时的量化指标的数量水平，它的指标选取和求取方法应根据研究目的需要来确定。

P100 added P concentration 100 mgkg^(-1 increased the shoot biomasses of rice when compared to P0 treatment.

2添加外源磷浓度为100 mgkg^(-1)与不施磷处理相比显著提高了两种作物地上部的生物量(p.01)。

Part Ⅰ The Research of Chiral Phosphorus Catalysts in the Enantioselective Borane Reduction of Prochiral Ketones ABSTRACT In this paper, the preparation of varied types of chiral phosphorus ligands and their applications as catalysts in the asymmetric borane reduction of prochiral ketones were investigated.

第一部分对映选择的潜手性酮的硼烷还原反应中手性磷催化剂的研究本文研究了多种不同类型的手性磷配体催化剂的合成及其在酮的不对称硼烷还原反应中的应用。

The chemistry of CAPAs was almostunexplored since it was proposed in a prebiotic reaction of inorganic polyphosphates with amino acids.

氨基酸-磷酰胺内酸酐(Cyclic acylphosphoramidates，简称CAPAs)是一种集磷酸-羧酸混酐和磷酰胺两个官能团于一身的磷酸活化的氨基酸。

Cyclic acylphosphoramidates (2-hydroxy-2-oxy-1,3,2-oxazaphospholidine-5-ones,CAPAs) are phosphate activated amino acids possessing both a carboxyl-phosphorylanhydride and a phosphoramidate bond in a ring.

氨基酸-磷酰胺内酸酐(Cyclic acylphosphoramidates，简称CAPAs)是一种集磷酸-羧酸混酐和磷酰胺两个官能团于一身的磷酸活化的氨基酸。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。