查询词典 water leaching

These systems are fed by water and nutrients leaching from the surrounding catchment area.

这些系统靠从附近排水区沥滤的水和营养物生存。

Using a new circluating activating acid-leaching technology, a new method for preparation of light magnesium oxide and water glass from serpentine is presented.

采用循环活化酸浸新技术，提出了以蛇纹石为原料制取轻质氧化镁和水玻璃的新方法。

Independently tested, LXT PVC provides superior resistance to regular PVC for leaching of anion, cation, and numerous trace metals when subjected to 18.2 megohm deionized water while maintaining ease of installation.

经过第三方独立测试，对于19.2兆欧姆去离子水，LXT PVC对于阴离子、阳离子和许多痕量金属的滤去具有极高的耐抗性，同时还保持安装的简便性。

The results showed that lower concentrations of ethanol-water, higher temperature, longer time, larger cottonseed-meal/solvent ratio comduce to increasing raffinose leaching yield.

结果表明，低浓度的乙醇水溶液、较高的温度、较长的浸出时间、较大的料液比有利于棉籽糖的浸出。

There is an annual movement of salt with water in coastal solonchak in Liaoning as follows: The thawing-evapo-salinization period in spring, irrigation-leaching-desalting period in rice growing season from May to September, evapo-salinization period again in late fall and relatively stable period in winter.

辽宁沿海盐土中盐分每年随水移动如下：春季为冻融-蒸发-盐化期，5~9月为灌溉-淋洗-脱盐水稻种植期，晚秋为蒸发-盐化期，冬季为相对稳定期。

Experiment results show that the leaching rate of vanadium in roasted stone coal in water is lower when mass fraction of calcium in stone coal is higher.

试验发现，对来自同一矿区的矿样，当其中钙元素质量分数较高时，熟料中高价钒的水浸出率较低。

Bi and As can be separated in the arsenic contained waste water of a smelter through Sulfuration precipitation and alkali leaching.

研究了铜冶炼厂含砷废水的硫化处理及其产物硫化砷渣的碱性浸取。

The leaching and electrochemistry behavior and complex of various dusts in water, glutamic acid, valine and Vc solution were studied thoroughly.

对不同粉尘在水、谷氨酸、缬氨酸和Vc溶液中溶出行为和电化学行为、配合物作了深入研究。

The leaching and release of Ca~(2+) and HCO_3, the key elements for karstification, is characterized by a first high concentration but fast decreasing phase followed by a phase steady to equilibrium, indicating removal of readily mobile Ca and bicarbonate is involved in epigenic limestone dissolution as evaluated by karst water chemistry.

结果表明，岩溶作用使土壤中易移动性组分淋溶，Ca~（2＋）、HCO_3~－的淋出动态表现为开始的快速下降和随之的平衡两个淋出阶段，淋出量与土壤中水溶性Ca、可氧化有机质的含量有关。土壤对HCO_3~－的淋出与排释有促进作用。

Sequential leaching experiments indicate fluorine in carbonate rock, phosphorite and Mo-Ni ore layer occurs principally in dissolvable forms: water-soluble, associated with carbonate or phosphorite, so fluorine in which rocks have high chemical mobility at surface conditions. Fluorine in siliceous rock, black shale and carbonaceous slate mainly occurs in undissolvable forms, which are inert at surface conditions.

氟在碳酸盐岩、磷块岩、钼、镍等多元素富集层及部分硅质岩中主要以水溶态、碳酸盐结合态等易溶形式存在，其在自然条件下的化学活动性强；而氟在碳质板岩、黑色页岩及大部分硅质岩中主要存在于难溶矿物中，其化学活动性较弱。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。