查询词典 Potassium

122 Samples of cutters in flue-cured tobacco leaves from south tobacco-growing areas of China were used as materials to analyze the relationship between potassium content,chlorine content,ratio of potassium to chlorine and physical property.

以我国烤烟南方烟区122份烟叶中部叶样品为基础，系统地分析了烟叶钾含量、氯含量、钾氯比与物理性状之间的关系。

In order to research activating ability in root secretions of tobacco to different forms of phosphorus and potassium mineral, this text confirms by experimenting on water culture that tobacco under normal condition possesses the ability of activating phosphorus and potassium mineral, but difference between genotypse is smaller.

为探明烟草根系分泌物对不同形态磷、钾矿物的活化能力，通过水培实验，证实正常条件下生长的烟草具有活化磷、钾矿物的能力，但基因型间的差异较小。

This paper is an attempt to probe into effects of different application of potassium fertilizer on tobacco plant growth and potassium absorption.

为了探索烟草施用钾肥的抗旱效果和提高烟叶品质，通过盆栽试验研究了干旱胁迫下不同供钾水平对烟草生长和钾素吸收的影响。

A large number of companies are producing high-quality reagent products, such as chloroform, ethanol, ammonium, potassium periodate, iodine, potassium iodide, stannous chloride, tin tablets octanol, hydrochloric acid and so on.

公司现生产大批优质试剂产品，如氯仿、无水乙醇、钼酸铵、高碘酸钾、碘、碘化钾、氯化亚锡、锡粒、正辛醇、盐酸等。

More potassium added in fertilizer composition did not improve yield and output value, and the content of potassium in leaves of sun-cured tobacco has not markedly increased, whereas it conduced to reduce the content of nicotine.

因此，红土晒烟适宜的施氮量宜控制在75kg/hm2或以下，P2O5：N宜为0.5：1，土壤磷含量较低、pH＞7的可增加到1：1；K2O：N宜为2：1，钾含量较低的土壤可增加到3：1。

Fv / Fm and Fv /Fo could be regulated and controlled significantly.2 Effects of different potassium application levels on the growth of sun-cured red tobaccoDifferent potassium application levels had no obvious influence on botanical characteristics of sun-cured red tobacco.

不同施钾水平和施钾方法对土壤养分的影响施钾水平的提高，土壤中的速效钾、缓效钾含量增加；分次施钾能提高中后期土壤供钾能力；整个生育期中，速效钾含量呈明显下降趋势，缓效钾含量变化不大。

Based on the second general soil survey in Corps, this papaer analyzes the change of the potassium in farmland soil and the potassium input in farmland soil during twenty years.

利用兵团第二次土壤普查以来的农田土壤钾素养分变化和20年来的农田钾素养分的投入状况的资料进行了综合统计分析。

If it is other chemical components of the salts, we must speak to their specific trade names or chemical names, such as soda ash, baking soda, red alum, ammonium sulfate, potassium nitrate, potassium chloride, diammonium phosphate, etc., must can not be generally called "industrial salt" or "chemical salt."

如果是其他化学成分的盐类，一定要说出其特定的商品名称或化学名称，如纯碱、小苏打、红矾、硫酸铵、硝酸钾、氯化钾、磷酸氢二铵等，绝不能笼统叫&工业盐&或者&化工盐&。

The dissolved curves of nitrogen and potassium of B2,PS,F2,F2F in same soil column were similar to that of in sand column, and difference was only dissolved time. The peak time of phosphorus was later than that of nitrogen and potassium.

四种胶结包膜型缓/控释肥料在同一土壤柱里氮钾素溶出曲线与其在砂柱里的近似，只是溶出时间不同，磷素溶出高峰期比氮钾素延后。B2、PS、F2、F2F之间的差别与其砂柱里的情况相同。

Potassium: Potassium-rich material consumption can help prevent the development of hypertension.

钾：食用富含钾的物质可以帮助预防高血压的发展。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。