1)phosphorus loss磷流失
1.Influence of different land use patterns upon nitrogen and phosphorus loss in the Qiandaohu drainage area;千岛湖流域不同土地利用方式对氮和磷流失的影响
2.A field experiment was carried out in hilly area of central Sichuan Basin to study the characteristics of phosphorus loss by runoff from slope cropland in purple soil.结果表明:相对于无肥区和单施氮肥区,平衡施肥试验田的泥沙量减少了60%~65%,径流量减少了28%~33%,表现出显著的水土保持作用;在作物不同生育期,土壤磷素随地表径流迁移的强度依次为:成熟期>拔节期>抽雄期;暴雨下地表径流磷含量呈现先升高后下降的变化趋势;颗粒态磷是径流磷的主要组成部分,占总磷迁移量的54%~79%,说明泥沙吸附态迁移是紫色土坡耕地的主要迁移形式;不同施肥处理的径流磷损失存在显著差异,平衡施肥处理的总磷流失减少了52%~61%;径流量、泥沙量与径流磷迁移量显著线性相关;作物生长情况显著影响土壤磷素流失,地上部分生物量与径流磷流失量呈明显负相关。
3.By the method of field artificial precipitation and lab analysis, this article has studyed characteristics of phosphorus loss of bamboo forest land in Daixi watershed ,discussed the rules of runoff in the bamboo forest land and offered the usable data to control the eutrophication of water body in Daixi watershed.为此,采用野外人工模拟降雨试验和定点监测相结合的方法,研究了湖州市埭溪流域典型毛竹林地在降雨条件下坡面径流中总磷和有效磷流失过程的特征;讨论了毛竹林地磷的径流流失规律,为控制埭溪流域水体富营养化状态提供了可用的数据。
英文短句/例句
1.Characteristics of nitrogen and phosphorus losses from swine production systems in Jiulong River watershed九龙江流域养猪场氮磷流失特征研究
2.To the Comparison of the Loss for Natural Soil s Nitrogen and Phosphorus;太行山自然状态土壤的氮、磷流失比较
3.In-situ Simulated Study on Manure Water-solubable Phosphorus Fractions and Its Nitrogen & Phosphorus Losses in Dianchi Lake Watershed滇池流域有机肥水溶性磷组分及其氮磷流失原位模拟研究
4.Study on Soil & Water and N & P Losses and Control Technology in Bench-terrace Area of Dianchi Watershed;滇池流域台地水土和氮磷流失及防控技术研究
5.Study on Nitrogen and Phosphorus Losses from Field Used Manure in Dianchi Watershed by Simulated Rainfall Method;滇池流域施用有机肥农田氮磷流失模拟研究
6.Study of the Loss Characteristics of Nitrogen and Phosphorus from the Fields in the Riverhead Protection Region of Huangpu Upriver;黄浦江上游水源保护区农田氮磷流失特征研究
7.Characteristics of Nitrogen and Phosphorus Losses from Different Farmlands in Tai Lake Riverine Area;太湖水网地区不同类型农田氮磷流失特征
8.Identification and Evaluation of Critical Areas of Nitrogen and Phosphorus Runoff in Complex Land Use Systems;复合土地利用区土壤氮磷流失敏感区界定
9.The Study of Nonirrigated Farmland Nitrogen and Phosphorus Loss Course and Environmental Effect in Shanghai;上海旱地农田氮磷流失过程及环境效应研究
10.Estimation on Loads from Nitrogen and Phosphorus Loss in Agriculture in Ningxia Irrigation District宁夏灌区农业氮磷流失污染负荷估算研究
11.Spatial Distribution Features of Phosphorous in Soil and the Risk of Phosphorous Loss in a Small Watershed;小流域土壤磷素空间分布特征及流失风险评价
12.Study on the Nitrogen & Phosphorus Loss by Runoff from Framland in HJH Plain Based on GIS;基于GIS杭嘉湖地区农田氮磷径流流失研究
13.Phosphorus Runoff Loss and Its Mechanism from Paddy Soil in the Taihu Lake Region of South China;太湖地区典型水稻土磷素的径流流失及其机理
14.N and P Losses with Leaching from a Intensive Cultivated Soil in Dianchi Lake Catchments滇池流域农田土壤氮磷的渗漏流失特征
15.Effects of Sewage Sludge on Phosphorus Loss along Surface Runoff from Sloping Plots on a Lateritic Red Soil污泥对赤红壤坡地磷素随地表径流流失的影响
16.Study on Impact Factors and Potential Evaluation Index of Soil P Loss in Runoff;土壤磷素流失影响因子及流失潜力评价指标研究
17.Phosphorus loss with runoff from a side bleaching paddy soil under continual P application in Taihu Lake Region.太湖地区侧渗水稻土连续施磷处理下稻田磷的径流损失
18.Relationship between Biologic Factors and N & P Transformation and Losses in Paddy Fields;主要生物因子与稻田氮、磷转化及流失的关系
相关短句/例句
loss of nitrogen and phosphorus氮、磷流失
3)nitrogen and phosphorus loss氮磷流失
1.Characteristics of nitrogen and phosphorus losses with surface runoff in typical sub-watersheds of Jiulong River watershed.;九龙江流域典型汇水区地表径流氮磷流失特征分析
2.The characteristics and status and transfer law of soil and water loss and nitrogen and phosphorus loss in the mesa areas of Dianchi lakeside are analyzed.针对滇池台地区地形及土地利用破碎、类型复杂、功能混乱等特点,提出源头削减、域内因地因类制宜控制、分项模块治理,采取生物工程措施与辅助工程措施相结合的技术手段,形成一套完整的台地水土和氮磷流失控制集成技术。
3.The paper introduces the research on comprehensive control technology of soil and water loss and nitrogen and phosphorus loss in stormed crack and excessive eroded soil in Dianchi lake basin.介绍了滇池流域冲沟和强侵蚀区水土和氮磷流失控制研究的内容、方法及取得的效果等。
4)H3PO4 leaching磷酸流失
1.The H3PO4 leaching during intermittent working and its influences on the performance of the single cell of H3PO4/PBI high temperature PEMFC were studied.考察了H3PO4/PBI高温PEMFC单体电池间放时的磷酸流失及对电池性能的影响。
5)phosphorus loss磷素流失
1.Effects of straw mulch and balanced fertilization on phosphorus loss from farmland in Chaohu Lake Region秸秆覆盖与平衡施肥对巢湖流域农田磷素流失的影响研究
2.Phosphorus loss is the most serious on bare soil (check), and planting Paspalum noatum grass on the whole orchard was the most effective method to prevent phosphorus loss.在坡度为25%的江西红壤坡地果园,采取了7种不同水土保持措施,并设对照(全园裸露)进行比较,研究其磷素流失特征,结果表明:(1)在不同水土保持措施的作用下,红壤坡地果园土壤磷素流失差异明显,流失最严重的为对照,最轻的为百喜草全园覆盖;对照磷素流失量是7个不同水土保持措施磷素流失平均量的3。
3.The concentration of various phosphorus forms and the amount of phosphorus loss in runoff from yellow soil of hilly areas by terrace cropping in Guizhou provinc e were studied.土壤磷素水平的提高能明显增加旱坡地磷素的流失潜能 ,黄壤旱地梯化种植结合平衡施肥是减少土壤磷素流失以及保护水体质量的有效途径。
6)loss of nitrogen and phosphorus氮磷流失
1.At Shixia experimental plots, the loss of nitrogen and phosphorus from sl.免耕种植、梯田种植、鱼鳞坑造林等水土保持措施有效的减弱径流氮磷的流失;在其它条件相同的情况下,植被覆盖可明显减少径流量和泥沙量,从而有效地控制氮磷流失;坡度大的小区氮磷流失量、泥沙量高于坡度小的小区;土壤含水率对氮磷的流失也有明显的影响;前期土壤含水率越高,污染物的流失量也越大。
延伸阅读
碘化二乙氧磷酰硫胆碱,碘化磷,碘磷定,碘化胆碱硫磷酯,依可碘酯药物名称:碘化磷酰硫胆碱英文名:Echothiopate Iodide别名:碘化二乙氧磷酰硫胆碱,碘化磷,碘磷定,碘化胆碱硫磷酯,依可碘酯适应症: 用于原发性青光眼、慢性单纯性(开角)青光眼、调节性内斜视。 用量用法: 滴眼:视病情选用0.03%~0.06%滴眼剂。必要时,可提高至0.125%~0.25%,每日1~2次,每眼1~2滴。 注意事项: 1.可有虹膜及结合膜血管扩张、充血。过量时,由于强烈的缩瞳和调节痉挛,可致前额头痛、眼睑抽搐。 2.长期应用可引起白内障,过量吸收可出现急性痉挛性腹痛,甚至支气管痉挛等。 规格: 滴眼剂浓度:0.03%、0.06%、0.0125%、0.25%。 类别:眼科用药\抗青光眼药