查询词典 phosphorus

Under normal temp., PVF2 has a fine corrosion resistance to many organic solvents like halogen, halogenated hydrocarbon, strong oxidant, boiling acid and alkali; UHMWPE has a fine corrosion resistance to inoxidable acid dilute sulfuric acid, nitric acid and large concentration hydrochloric acid, phosphorus acid, hydrofluoric acid, and salty solutions.

在常温下，PVF2对卤代烃、强氧化剂、沸酸、碱等多种有机溶剂都有良好耐蚀性；UHMWPE对非氧化性酸

It also energizes Phosphorus. Deficiency will exhibit a yellowing and interveinal chlorosis beginning in the older leaves.

生态镁不增加土壤中阳离子，可直接被草坪草叶片吸收，能深入土壤草坪根部，吸收效率高。

A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on metals, particularly cold rolled steel, by a dry-in-place aqueous acidic liquid comprising: a component of anions, each of said anions consisting of at least four fluorine atoms and at least one atom of an element selected from the group consisting of titanium, zirconium, hafnium, silicon, and boron, and, optionally, ionizable hydrogen atoms, and optionally, one or more oxygen atoms; a component of cations of elements selected from the group consisting of cobalt, magnesium, manganese, zinc, nickel, tin, zirconium, iron, and copper; the ratio of the total number of cations of this component to the total number of anions of component being at least 1:5; sufficient free acid to give the composition a pH in the range from 0.5 to 5.0; a component selected from the group consisting of phosphorus-containing inorganic oxyanions and phosphonate anions; and a component selected from the group consisting of water-soluble and water-dispersible organic polymers and polymer-forming resins and, preferably, also including a component selected from the group consisting of tungstate, molybdate, silicotungstate, and silicomolybdate anions.

通过对包含以下成分的含水酸性液体进行干燥，可以在金属上形成无铬的转换涂层，该涂层与普通铬酸盐转换涂层相比，至少在抗腐蚀质量上等效：$_一种阴离子成分，所述各个阴离子包括至少4个氟原子，至少选自钛、锆、铪、硅与硼元素中的1个原子。任选地可离解的氢原子，任选地1个或多个氧原子；$_一种选自钴、镁、锰、锌、镍、锡、锆、铁与铜元素的阳离子成分，上述成分的阳离子总数与成分内的阴离子总数之比至少为1∶5；$_足够的游离酸以使该组合物的pH值在0.5～5.0的范围内；$_一种选自含磷的无机含氧阴离子与膦酸盐阴离子的成分；$一种选自水溶性与水可分散性有机聚合物与聚合物形成的树脂的成分，优选还包括一种选自钨酸盐、钼酸盐、钨硅酸盐与钼硅酸盐阴离子的成分。

The novel title compound was synthesized with benzaldehyde, isobutyraldehyde, phosphorus trichloride as raw materials. The total yield was 40.8%. The structure was confirmed by 1H NMR, 31P NMR and elemental analysis.

摘要以苯甲醛、异丁醛、三氯化磷为原料合成了新型的1，3，2-氧磷杂环类化合物2-苯羟甲基－5，5-二甲基－4-苯基－2-氧代－1，3，2-二氧磷杂环己烷，总收率为40.8%，并对其进行了NMR研究和结构表征。

The removal effects of Jussiaea stipulacea Ohwi on nitrogen and phosphorus in eutrophic water were further studied in indoor experiment,as well as in field observation .

采用室内试验和现场观测相结合的方式，进一步探讨了黄花水龙对富营养化水体中氮磷的去除效果。

Fertilizer handling accelerated the absorption of nitrogen, phosphorus and kalium in cole.

肥料处理促进油菜对全氮、全磷、全钾的吸收。

In the experiment of nitrogen- phosphorus- kalium, both of them reached significant level too, but the trend had no obvious regularity.

在叶面喷施氮磷钾混合肥实验中，两个品种亦都达到了显著水准，但变化趋势无明显规律性。

In lower soil, there was a significant correlation between fractal dimension and soil chemical properties including the contents of total phosphorus, pH, total kalium and available kalium.

土壤颗粒的分形维数与土壤下层(10~30 cm)的全磷、pH值、全钾和速效钾含量显著正相关。

Our results showed that:(1) In Chang Bai Mountain, salidroside content increased with the nitrogen and organic concentration of soil and decrease with phosphorus and kalium concentration in rhizosphere soil of Rh.

同时，对栽培高山红景天不同苗龄植株根中红景天甙含量的季节变化、与根重量的关系以及不同保存方法对红景天甙含量的影响也进行了初步研究。

The results showed that the organic matter content, effective nitrogen content, fast-acting kalium content and effective phosphorus content of forest soil coincide with the plant functional group constitutes.

结果表明，土壤的有机质含量、有效氮、速效钾及有效磷含量随着海拔的变化趋势和植物功能群组成变化趋势有着密切联系。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。