Conclusion:Toxic components mainly exist in water-soluble part and n-butanol extract of Herba Siegesbeckiae.
结论：毒性成分主要存在于极性大的溶剂中，即残留的水溶性部分及正丁醇部分。
Flow injection was applied to analysis of NH3-N in water and the impact of various experimental conditions was studied.
将流动注射应用于水中氨氮的分析，并研究了各种实验条件对于结果的影响。
The reduction speed is increasing along with the concentration of N and P in water, whereas the removal rate of N and P is descending.
氮磷浓度的降低速率随水体中氮磷浓度的升高而升高，而对氮磷的去除率随水体中氮磷浓度的升高而降低。
A rapid analysis method for all forms of chloramines in water production process was developed by using n, N-Diethyl-p-phenylenediamine (DPD) spectrophotometry.
运用DPD (N, N -二乙基对苯二胺)分光光度法，建立了快速分析制水工艺过程中各种氯胺含量的方法。
The ethanol extract from the twig bark powder of Periploca sepium was suspended in water and successively treated with petroleum ether, ethyl acetate and n-butanol.
将杠柳枝皮粉末的乙醇提取物悬浮于水后，依次用石油醚、乙酸乙酯和正丁醇萃取。
The suddenly changeover multicriterion assessment method is used to evaluate several scenarios of water source engineering in Mid-line of S-N water diversion project.
应用突变多准则评价法对南水北调中线水源工程项目的多方案比选作出评价决策。
Take orthogonal experiment to study the yields and growth of corn under the condition of different irrigation frequency, different irrigation water quota, different N/P and irrigation on film.
为了确定影响膜上灌玉米生长发育的主要因素，采用正交试验研究单种玉米小畦膜上灌条件下，不同灌水定额、灌水次数和氮磷配比对玉米生长发育和产量的影响。
Our oldest son, Justin, was enjoying the cookies n cream ice cream we got the kids as a treat while we were at the water park.
我大儿子，Justin在享受美味的奶油曲奇雪糕，这是我们在水上乐园给孩子们的奖赏。
The results of common chemical analysis indicated that the NO3-N movement was coresponded with the water condition.
结果表明，NO3—N的移动同降雨、灌水以及整个土壤系统中的水分状况密切相关。
N 2003 actor Anthony Andrews, who starred in the ITV adaptation of Brideshead Revisited, was hit by the illness after drinking too much water during rehearsals for a West End role.
2003年，演员AnthonyAndrews在出演ITV电视台的新版《故园风雨后》时，在排练时因为喝水过量而患上了低钠血症。
When rock fractures, as is occurring in the N American continent while it is stressed into a bow, ground water follows new paths through the fractures.
就像在北美大陆被压迫为弓形时发生的，当岩石碎裂时，地表水沿着新的路径流过裂缝。
Under base employ of the coated urea, the total N concentration of farm surface water was near the contract level, and the possibility via runoff was very little.
结果表明，包膜尿素在基施情况下，田面水总氮浓度始终接近对照水平，通过径流损失的可能性很小。
Buoy 46407 on the Juan de Fuca Plate border shows choppy water, as did Buoy 44401 on the edge of the N American Plate in the Atlantic.
胡安德富卡板块边界的浮标46407显示了有浪的水面，正如大西洋中的北美洲板块边缘的浮标44401显示的那样。
N in the main form of nitrate through the subsurface runoff was put into the stream, the vegetation-covered riparian had high on the nutrient in the soil water.
溪流相邻高地通过地下径流向溪流中N素的输入，主要是以硝态氮的形态通过土壤水的输入；
In order to translocate N efficiently within plant and maximize growth, the relationship between nitrogen nutrition and the cost of C, photosynthesis, and water equilibrium were discussed.
讨论了植物的氮（N）素营养过程与C的消耗关系、光合作用与N投入的关系、水分平衡与植物的N素营养的关系。
The investigation and research on the river showed that the water eutrophication was attribute to algae rapidly growing in propriety temperature and illumination when nutriment of N and P is imported.
分析发现是在有利的水文水动力学条件、充足的营养盐及合适的气温光照条件下藻类爆发性生长所致。
The principal environmental problem of landfill is leachate of which the water quality is complex, with high COD_ (cr) and high heavy metal ion concentration as well as high NH_3-N concentration.
生活垃圾填埋场对环境的主要影响是垃圾渗滤液，其水质复杂多变，具有高COD含量、高重金属离子和高nh_3 - N含量的特点。
The influence of root growing space of maize upon root physiological characteristics, nutrient uptake and crop yields were studied under conditions with and without supply of water and n.
在不供应和补充供应水、氮条件下，研究了限制根系生长空间对玉米根系生理特性、植株养分吸收及产量的影响。
The vegetative storage protein accumulation in fall may be directly related to the photoperiod, accommodation of n, temperature and water.
秋季贮藏蛋白质的积累可能与光周期、温度、水分和氮素的供应量直接相关。
Through the calculation of the water stress index and N stress index, when and how much irrigation and fertilization can been decided.
通过对作物水分胁迫系数和氮素胁迫系数的模拟计算，可以求出最佳的灌水、施肥时间和各个时间段分别的灌水、施肥用量。
We also observed absorption of P and N by typhaceae from polluted water.
实验还表明了香蒲对污水中磷有很强的吸收作用，对氮也有一定的吸收。
Nitrate content in ground water accumulates obviously with the increase of N-fertilizer applied, so the potential pollution should not be ignored.
随着施N时间的推移和施用量的增加，地下水中硝态氮具有明显的积累趋势，潜在污染不容忽视；
The U. N. Environment Program predicts the amount of fresh water available will drop off sharply in parts of Africa, Asia and Europe by the year 2025.
联合国环境规划署预计，截至2025年，非洲部分地区、亚洲、欧洲可供使用的淡水资源将急剧减少。
Heat transfer of nucleate boiling of water and n-hexane in a vertical cylindrical annulus with inner side heated has been experimentally investigated.
以水和正己烷作为介质，考察了通入空气对内管加热的竖直圆柱形环隙内的沸腾传热性能的影响。
The authors employed the forecasting models of N and P constructed to test the water body of Qiandao Lake, it is found that these models have a good predictive precision.
建立了千岛湖氮、磷预测模型，通过对千岛湖水体总氮和总磷预测模型的预测结果进行检验，结果表明所构建模型应用于近期千岛湖总氮和总磷的模拟有较好的预测精度。
High water-absorbent resin has been prepared using the useless acrylic fibres alkaline hydrolysis under the normal pressure, using the N-hydroxymethyl propylene acryl amine as the crosslinked agent.
将废旧腈纶用常压碱法水解，用n羟甲基丙烯酰胺作交联剂制备高吸水性树脂。
The removal efficiency of nitrogen (N) and phosphorus (P) from three kinds of eutrophicated water by terraneous ornamental foliage plant-beet on floating-beds was researched under low temperature.
以陆生观叶植物红叶甜菜为材料研究其对不同富营养化水体氮磷的去除。
Juemingzi extracts were prepared with ethyl acetate, n-butanol and water respectively.
以决明子为原料，分别用乙酸乙酯、正丁醇和水制备粗提取物。
As a byproduct of brewing industry, the "malt sprout roots" are still rich in raw proteins and water soluble N-free matter.
大麦芽根是啤酒工业的副产品，它含有较丰富的粗蛋白质和可溶性无氮物。
As a byproduct of brewing industry, the "malt sprout roots" are still rich in raw proteins and water soluble N-free matter.
大麦芽根是啤酒工业的副产品，它含有较丰富的粗蛋白质和可溶性无氮物。
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