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Nanoparticle has different influence on the absorption of N ,P ,K .The test of tank farming confirm that the absorptive capacity of plants added low concentration nanoparticle on N , K is weaker than that of comparison .

纳米微粒对植株在氮钾的吸收方面有不同的影响,在水培条件下,低浓度纳米胶液对玉米幼苗吸收氮钾养分有抑制作用,但对于的吸收,有促进作用。

In acidic medium,ammonium vanadate and ammonium molybdate are added,which,with phosphorous acid,form yellow ternary acid of phosphor,vanadium and molybdenum,by which the content of phosphor can be determined.

试样经盐硝混合酸溶解,以过氧化氢将亚酸氧化成正酸,在酸性介质中,加入钒酸铵和钼酸铵与酸形成黄色的钒钼三元杂多酸,从而进行的测定。

The Hammett indicator, TPD and IR methods are used to study the relation bet- ween the surface acidic properties of a P-La modified ZSM-5 zeolite catalyst and its toluol disproportion catalytic properties.

本文用Hammett指示剂法,程序升温脱附法和红外光谱法考察了一改性ZSM-5沸石催化剂表面酸性变化对甲苯歧化催化剂性能影响,认为酸与沸石的直接作用,使沸石的强酸中心消失。

Through the design of AGP-test equipments and methods which could simulate the impact of input of exogenous nutrients on eutrophication, the evolution of algae and aquatic species extinction process in Miyun Reservoir under different environmental and nutritional conditions are simulated. Then the ratio growth rate in the three simulation stages are simulated and analyzed combining the numerical analysis software MATLAB 7.0. At last, the conclusion that in the three designed stage, the total phosphorus threshold which leads to a water bloom in Miyun is respctively 0.053mg/L, 0.062mg/L, 0.064 mg/L is educed. Based on the regression relationship of total phosphorus,chlorophyll-a, total nitrogen, and the transparency,we compartmentalized the evaluation standard level of eutrophication in Miyun Reservoir.

通过设计模拟外源输入对富营养化作用的AGP试验装置和方法,模拟了不同环境条件、营养条件下密云水库优势藻种演变和富营养化过程,结合使用MATLAB 7.0数值分析软件,对3期模拟时段的比增长率进行拟合分析,得出3期设计阶段密云富营养化发生的总阈值为0.053mg/L、0.062 mg/L、0.064 mg/L,再根据总与叶绿素a、总氮、透明度之间的回归关系,划分了密云水库富营养化的评价标准级别。

Company and the Chinese Academy of Sciences Institute of Chemistry, Nanjing University of Technology Institute of Chemical Technology has a good technical cooperation, product quality can meet the needs of different customer requirements, in particular, high content, low-arsenic, low lead, low-iron phosphorus trichloride, oxychloride P-selling more than a dozen provinces and cities nationwide, autonomous regions and exported to Europe, Southeast Asia and Taiwan, production and sales and market share in the same industry in the country ranked the top three, Jianping people adhere to the "credibility first, customer first, service first" operating purposes, warmly welcome customers at home and abroad to discuss cooperation with our company.

公司与中科院化学研究所、南京工业大学化工学院有着良好的技术合作,产品质量能满足不同客户的要求,尤其高含量、低砷、低铅、低铁的三氯化、三氯氧畅销全国十几个省市、自治区及出口到欧洲、东南亚和台湾地区,产销量和市场占有率在全国同行业中居前三甲,建平人恪守"信誉第一、顾客至上、服务至上"的经营宗旨,热忱欢迎国内外客户与我公司洽谈合作。

The ultrafiltrate volumes,dialysis time as well as blood flows were also recorded at the same time.

在患者每周第二次透析治疗期间,检测透析前血浓度;透后5min、30min、1h、2h、3h及4h透析废液浓度;同时记录当天的超滤量、透析时间和血流速。

The model was developed using the single factor analytic approach and correlation coefficient analytic approach considering phosphate removal as dependent variable and plasma phosphate concentrations,dialysis time,ultrafiltrate volumes,blood flows as predictor variables.

先用相关系数矩阵和单因素分析法进行数据的初步分析,然后用多重线性回归分析的方法推出总清除量与透前血浓度、超滤量、血流速、时间的公式。

In this paper, two dimensional shallow flow—pollutants coupled model, which applies uninstructed grid finite volume method and Riemann approximate solver, is used to gain the trend of hydrodynamics and water quality change under the condition of driving force. Mechanism of nitrogen and phosphorous circle of WASP5 is considered in the water quality part of the model according to nutrition actuality of shallow lake in the cities.Xuanwu Lake is object of research in this paper.

本文针对城市浅水湖泊富营养化加剧现状,结合WASP5模型中有关氮和的循环机理,并将该机理写入已有的二维浅水流体水量模型中加以耦合,应用在无结构网格下的有限体积法与黎曼近似解求解的方法,求解湖泊在外驱动作用下的湖泊水动力和水质因子氮和的变化。

And achromatous fluorescent ink and the role of cyclometalated innovativeink, in the label business card printing and membership card making products join a particular color in UV inks, excitat, cyclometalated, is obvious; no effect of UV-light, show only.

与无色荧平油墨与平油墨的功用不差别,只是在标签制卡和会员卡制作品洋参加某一颜色的油墨,在紫外平功用下,荧平、平成果才澄辉;无紫外平时,只表现实质。

The constructed wetland process was applied to treat rural domestic sewage. The results showed that the abilities of different macrophyte species to remove nitrogen and phosphorous were quite different with each other. Acorus calamus Linn has stronger ability to remove TP and NH3-N.

采用潜流式人工湿地工艺处理农村生活污水,结果表明:不同植物对氨氮、总的去除能力差别较大,菖蒲对总和氨氮净化效果较好。

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