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- The most important use of potash is in fertilizer. 钾盐的最重要的用途是作肥料。
- The ash of these seaweeds, used as a source of potash and iodine. 海草灰这种海草的灰常作为提炼钾和碘的原料
- Effect of potash on yield and quality of Raphanus sativus L. 施用钾肥对水萝卜产量和品质的影响。
- carbonate of potash 碳酸钾
- Potassium-feldspar is a main resource of potash fertilizer. 钾长石分解制钾肥是钾肥制造的一条重要途径。
- Title： Effect of potash on yield and quality of Raphanus sativus L. 关键词：钾肥；产量；品质；水萝卜
- The return filtrate, would not affect the efficiency of potash flotation. 滤液返回不会影响钾盐浮选。
- Bischofite is a kind of by-product of potash production in Chaerhan Salt Lake. 察尔汗盐湖是我国最大的可溶性钾镁盐矿床。
- The carbonate of host bed aquifer has great influence on sandstone type uranium deposit of in-situ leaching. 含矿含水层中的碳酸盐对砂岩型铀矿床的地浸开采影响较大。
- Carbonate of lake facies is a weak field of sedi-mentological research both at home and abroad. 在东营凹陷王73井区的沙四段地层中,发育有典型的湖相滩坝砂体沉积。
- In particular, an increase in the amount of nitrogen applied has the effect of increasing the MPP of potash. 特别是氮肥用量的增加具有提高钾肥边际产量的作用。
- The estimate of the MPP of potash is positive and statistically different from zero. 对钾肥边际产量的估计是正值，而且统计上显然不等于零。
- Further, it is more difficulty to separate boron from halite, coral and carbonate of loess, due to its low boron concentration. 对海洋生物碳酸盐、石盐、黄土中硼的化学分离处理方法的研究和建立可行的实验流程对高精度测定这些样品的硼同位素组成是重要的。
- To determine the optimal allocation of fertilizer in this situation, it is necessary to know the relative size of the MPP of potash in all regions. 在这种情况下，为了肥料分配最优化，需要知道所有地区钾肥边际产量的相对大小。
- And wit h the increase of potash application, the contents of the two forms of K increase d ac cordingly. 整个轮作周期内土壤速效钾及缓效钾含量与施钾量之间呈显著正相关关系。
- I make a carbon copy of my documents. 我用复写纸复写文件。
- The degree of carbonization of coal depends on the temperature. 煤层的炭化程度取决于温度。
- The effect of potash soap took second place, the reduce rates of 300 times' potash soap reached the peak value (63.2%) after 15 days. 防治桃潜叶蛾效果次之的药剂是软钾皂液;其中软钾皂液300倍效果相对较好;施药15天虫口减退率达到最大值63.;2%25。
- Table 2 also shows that a change in the level of nitrogen application affects the MPP of potash use for any given level of potash use. 表2又表示在钾的各个用量水平，氮肥用量的变化对钾肥边际产量的影响。
- Cast steel contains carbon of less than .3% by weight, while cast and ductile irons have at least 3% total carbon. 铸钢含碳量少于0.;3%25，而铸铁和球墨铸铁含炭量量则至少为3%25。
