The desalting efficiency of saline water decreased with increasing amount of leaching water and the concentration of saline water, but was independent of initial soil water content.
水分的脱盐效率随淋洗水量和入渗水矿化度的增加而减小，与土壤初始含水量无关。
Leaching process is a chemical reaction process, mineral particle size and concentration also have great impact on the leaching rate.
浸出过程为化学反应过程，矿物粒度、浸取剂浓度对反应速率影响也较大。
The concentration of nitrate-N increased continuously in soil surface, which resulted in nitrate leaching to groundwater after rewetting.
土表的硝态氮浓度不断增加，烤田增大了复水后硝态氮向地下水淋溶的趋势。
The principle, method and case history how to predict the average uranium mass concentration in lixivium of in-situ leaching are introduced and the existing problems are discussed.
介绍了矿床采区浸出液中平均铀质量浓度的预测原理、方法和实例，并讨论了存在的问题。
Compared with conventional heap leaching, bioleaching period and acid amount are reduced, oxidant and leaching agent are saved, and uranium concentration in leaching solution is increased.
与常规堆浸工艺相比较，细菌堆浸新工艺具有浸出周期短，酸用量低，节省氧化剂，降低浸出剂用量，浸出液平均铀浓度高等优点。
The effects of leaching temperature, initial KOH concentration, leaching time and mass ratio of alkali to ore on the leaching rate of Nb and Ta were investigated.
探讨了反应温度、初始KOH浓度、浸出时间和碱矿比等因素对铌和钽的浸出率的影响。
The effects of the concentration of sulfuric acid, ratio of solid to liquid, temperature and time on leaching efficiency were investigated.
考察了硫酸浓度、固液比、温度及时间对浸出率的影响。
The study shows that two methods could effective reduce silica concentration and the leaching rate of silica.
研究表明采用三种方式均可以有效降低溶出液中的二氧化硅浓度和二氧化硅溶出率；
Results have shown that the lixivium concentration affected by leaching times, pH, leaching temperatures, and grain diameter values of the media and most parts of the hazardous element are stable.
结果表明，有害元素大部分以稳定态存在，浸出液浓度受浸泡时间、酸碱度、浸泡液温度、粒径的影响。
Applying this model, fairly precise results of leaching rate and final acid concentration can be predicted.
结果表明，该模型能比较准确的预测浸出率和终酸浓度。
The sodium stannate from slag containing tin is prepared directly by the process including alkali fusion, leaching, purification, concentration and crystallization.
以含锡渣为原料，采用碱熔—浸出—除杂—浓缩结晶工艺直接制取了锡酸钠产品。
It can be seen that low concentration of ammonia can promote the bacteria leaching.
由此可见，低浓度的氨水对细菌浸矿有促进作用。
The concentration of ammonia, leaching temperature and roasting temperature are important factors in NHb-leaching experiment.
氨浸实验中影响镉浸取的因素主要有：浸取液浓度、浸取温度和镍镉电池的焙烧条件。
The industrial tests show that the jarosite process can be used to handle the zinc calcine with high concentration of Sb by controlling the leaching rate of Sb in the neutral leaching process.
扩大试验验证，控制锑在中性浸出过程中的浸出率，黄钾铁矾法可以处理含锑高的锌焙烧料。
The pole-leaching experiment was also undertaken under the condition of different granularity, leaching agent concentration, infiltration velocity and infiltration route etc.
为了评价矿石的可浸性，采用柱浸试验探讨了矿石粒度、溶浸剂浓度、渗滤速度、渗滤路径等条件对过程的影响。
The result showed that the Ca concentration in slag and the temperature are principal factors that have influence on metallic ion leaching.
结果表明，钙含量和温度是影响有害金属离子溶出的主要因素。
The research shows that the precious metals can be recovered from the catalyst by the wet leaching method and the fire concentration method.
研究表明，从催化剂中回收贵金属，可采用湿法浸出法和火法富集；
The main factors which have influence on the volume of reactor are reactant concentration, the leaching ratio of aluminium o...
影响反应器体积大小的主要因素有物料浓度、氧化铝浸出率、反应温度和反应时间等。
Leaching from coal and coal waste stone can increase PAHs concentration in mine drainage and groundwater. Pollution of PAHs by coal mining should be attached more importance.
矿坑排水、煤矸石淋滤水及地下水中的多环芳烃与煤层及煤矸石的淋滤有关，煤矿开采引起的多环芳烃污染应引起重视。
Results showed that the acidity, the leaching potential and the total concentration of Cl - in the medium were key factors.
结果显示，酸度、电势和氯离子浓度是解决问题关键。
According to the in-room experiment for alkaline leaching of uranium deposit, the effects of the sorts and concentration of oxidants and solvent solutions are studied.
结合某铀矿床碱法地浸室内试验，进行了氧化剂的种类、质量分数和溶浸剂的种类、质量分数选择试验，研究了反应时间、矿石粒度对铀浸出率的影响。
According to the in-room experiment for alkaline leaching of uranium deposit, the effects of the sorts and concentration of oxidants and solvent solutions are studied.
结合某铀矿床碱法地浸室内试验，进行了氧化剂的种类、质量分数和溶浸剂的种类、质量分数选择试验，研究了反应时间、矿石粒度对铀浸出率的影响。
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