查询词典 potassium

In the Loess Plateau area, planting plantation had much help for the improvement of the nutritional element content, such as soil organic matter, total nitrogen, total phosphorus, available nitrogen and quick-acting potassium, and different plantations had different enhancement degrees.

结果表明：在黄土高原地区，种植人工林后能增强土壤腐殖化作用，促进土壤有机质的形成发育，对土壤的有机质、全氮、全磷、及碱解氮、速效钾等营养元素含量提高有很大帮助。

Except total potassium and quick-acting phosphorus, every target in nitrogen fixation plantation was higher than that in non-nitrogen fixation plantation.

不同林型植被，土壤的腐殖化作用有明显差异，土壤有机质、各营养元素和阳离子交换量增加不同，除全钾、速效磷以外，表现为刺槐侧柏混交林＞刺槐＞侧柏＞荒地。

Until 2006, the quick-acting potassium in soil got to 109.6 mg/kg, averagely increasing 2.35 mg/kg per year.

速效钾在1981~1991年间共下降41.6mg/kg，年平均下降4.16mg/kg，199l年后明显回升，到2006年土壤速效钾含量达到109.6mg/kg，年平均增加2.35mg/kg。

Currently as China's accelerating development of agricultural industrialization and the increase of the agricultural production investment, the demand for chemical fertilizers increases year after year. Simultaneously as China's scientification in fertilization and fertilization ratio of the nitrogen, phosphorus, and potassium fertilizer tending to be reasonable, the chemical fertilizer demand structure will possibly change, the chemical fertilizer market environment will also change, the chemical fertilizer industry will run to the direction of high efficiency and environmentally no harm. Comparing to ordinary urea, large urea has many merits. These merits include big rime, glabrous pellet, smooth and well-mixed, not easy to crush or agglomerate in moist environment, suitable for long distance bulk transport and storage, and so on.

目前随着我国农业产业化的不断加快发展和对农业生产投入的增加，化肥的需求量在逐年上升，同时随着我国农业施肥的科学化，氮、磷、钾肥的施用比例趋向合理，化肥需求结构可能发生变化，化肥市场环境也会发生变化，需求旺盛的化肥业将向高效、环保等方面转化；大颗粒尿素与普通尿素相比，具有结晶大、颗粒光洁、圆滑、均匀，不易粉碎和吸潮结块，具有适合长途散装运输和存贮等优点。

Background: Opening of cardiac ATP-sensitive potassium channels is a well-characterized protective mechanism against ischemia and reperfusion injury.

心肌细胞ATP敏感钾通道的开放可以保护心肌免受缺血再灌注损伤，有证据显示肌浆网和线粒体K通道与这种保护效应有关。

Production of epsilon-glycolylnium is carried out by Beckman rearrangement reacting for cyclohexanone-oxime under the existence of solvent to obtain epsilon-glycolylnium contained mixture, crystalline separating for the mixture to obtain crude epsilon-glycolylnium crystal, dissolving by arene, extracting by water, adsorbing by resin hydrogenation catalyzing to obtain the final product. The value of potassium permanganate is less than 5, extinction value is less 0.05, volatile alkali is less than 0.5meq/kg and alkalinity is less than 0.05meq/kg.

本发明涉及一种ε―己内酰胺制备方法，其特征为：在溶剂存在下，环己酮肟经贝克曼重排反应，得到含有ε―己内酰胺的混合物，该混合物结晶分离后，得到粗ε―己内酰胺晶体用芳烃溶解，然后用水萃取，再经树脂吸附、催化加氢后，得到99.995％以上的高纯度的ε―己内酰胺，其质量指标为高锰酸钾值小于5，消光值小于0.05，挥发性碱小于0.5meq/kg，碱度小于0.05meq/kg。

As an orange' vegetable, it's rich in Vitamin A, and contains abundant Vitamin C, potassium, and even 2 1/2 grams of protein.

因为南瓜是一种橙色蔬菜，所以含有丰富的维他命A、维他命C和丰富的钾。南瓜还含有21/2克蛋白质。

The succession of uranium to potassium ratio anomalies is at about two-mile.

铀钾比值异常延伸约达2英里。

The paper involved two parts: Part 1: A two-chambered microbial fuel cell was constructed with high-concentration sodium acetate as fuel in the anode. The influence of different electron acceptors in the cathode, external resistance value, pH value and concentration of sodium acetate on electricity generation in MFC was investigated. The result showed that the maximum power density of 294.72 mW/m2 and the coulombic efficiency of 25.87% was achieved at sodium acetate concentration of 6.46 g/L, pH 7.0, external resistance 500Ωin the anode and when using potassium permanganate as electron acceptor in the cathode.

全文分为两个部分：第一部分：以乙酸钠为阳极原料构建双室微生物燃料电池，研究不同阴极受体、外接电阻、乙酸钠浓度和pH等因素对电池产电性能的影响，研究结果表明：在500mL的阴阳极反应体系中，选用乙酸钠作为阳极底物，质量浓度为6.46 g/L， pH 7.0，接入500Ω外电阻，阴极电子受体选择高锰酸钾的情况下，微生物燃料电池产电性能最好，最大电功率密度达到294.72 mW/m2，库伦效率能达到25.87%。

Keywords tungsten trioxide;zirconia;solid acid;benzene;1-hexene;alkylation;potassium;strontium

氧化钨；氧化锆；固体酸；苯； 1-己烯；烷基化；钾；锶

Based on the relationship and the phenomenon model, an improved model of MR damper has been presented in this paper.

摘 要：本文在实验数据的基础上建立了磁流变阻尼器输出力与不同常电流控制量的关系，对现有的 p模型进行了改进。

I don't think our founding fathers were very fuckable.

我认为我们的开国元老没什么吸引力