查询词典 phosphorus

The 0-40cm soil layer soil mean value looked that mixes by the interlacing broadcasts the lawn soil ulmin, the alkaline hydrolysis nitrogen content to be highest; The fast-acting phosphorus, the fast-acting potassium are highest by the unicast awnless brome lawn content; The colleague mixes broadcasts lawn pH to be biggest.

无芒雀麦对土壤要求不严，耐贫瘠、严寒，耐碱性也较强，需氮较多，适宜与紫花苜蓿、沙打旺、野豌豆、百脉根、红三叶等豆科牧草混播，借助豆科牧草固氮作用，促进无芒雀麦良好生长[4]。本实验就是无芒雀麦单播草地和与紫花苜蓿混播草地对土壤理化性质的影响进行比较。

The level of soil fertility was high in GAP base, but nutrients distribution was unbalanceable: nitrogen and phosphorus in soil could basically satisfy the crop growth; but potassium was not enough.

对三七GAP基地的土壤质地、供肥特性和土壤肥力进行了调查和分析，结果表明，三七GAP基地土壤以壤质粘土为主，偏酸性，土壤肥力水平较高，但各养分因子分布不平衡，氮、磷元素基本满足三七生长的需求，而钾元素普遍不足，在栽培管理上，应根据三七的生长特点、不同生长期及具体的种植片区对养分的要求制定施肥方案，并注意多施钾肥。

The compound 3, 9-bis (2＇, 4＇, 6＇-tribromophoxy)-2, 4, 8, 10-traoxa -3, 9-dip- hosphospiro [5.5] undecane -3, 9-dioxide (HFR-1) was prepared with pentaeryth- ritol, phosphorus oxychloride and 2, 4, 6-tribromophenoxy soldium by esterifica- tion and condensation reaction.

以三溴苯酚钠、三氯氧磷、季戊四醇为原料，通过酯化和缩合两步反应合成了阻燃剂3，9-双(2'，4'，6'三溴苯氧基)-2，4，8，10-四氧代-3，9-二磷螺环-3，9-二氧[5.5]十一烷。

The analysis results of nutrient concentrations in Chinese cabbage plant indicate that the uptake of nitrogen and phosphorus in plant were increased significantly, and the uptake of plant potassium increase unsignificantly.

温室生物实验结果表明，保水剂包膜尿素能提高白菜的生物量，促进白菜植株氮、磷养分吸收，对钾吸收影响不明显。

Transfer behavior of phosphorus on manganese oxide ore fines containing coal during voluminal reduction by microwave heating has been investigated through electronic probe face-scanning composition analysis.

通过电子探针面扫描成分分析，研究了微波加热含碳锰矿粉体还原过程中磷的迁移行为。

Based on 9-month monitoring field data,this paper analyzes the variation of chlorophyll-a, total phosphorus,total nitrogen and transparency in different sub-lake districts in order to study the treatment effect of eutrophication restoration project in Lichee Lake in Shenzhen.

分析和比较了深圳荔枝湖综合治理工程运行9个月内不同湖区水体的叶绿素a、总磷、总氮及透明度的变化，探讨了综合治理工程对城市富营养化湖泊荔枝湖的水质改善情况。

Acidulated with HCl, the simultaneous determination of chromium, silicon, phosphorus was then achieved in the same sample solution by ICP-AES.

探讨了电感耦合等离子体原于发射光谱法测定锰铁合金中铬、硅、磷的分析条件。

Converter sludge was found to be very effective in adsorbing the phosphorus.

转炉污泥是一种比较有效的废水吸附剂。

In this paper we discussed the changes of available nitrogen and Olsen phosphorus of air-dried soil samples during storage.

讨论了土样风干贮存对碱解氮和Olsen -P含量的影响。

A compartmented rhizo-bag culture system was used to study the effects of exogenous phosphorus on arsenic fractions in the rhizosphere and their bioavailability to rice (Oryza sativa L.) and wheat Triticum aestivum L.

采用土－土根袋培养的方法研究了两个浓度的外源磷对苗期小麦和水稻根际砷形态分布及其生物有效性的影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。